{"id":4684,"date":"2020-09-11T09:58:29","date_gmt":"2020-09-11T09:58:29","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=4684"},"modified":"2026-06-16T09:16:57","modified_gmt":"2026-06-16T09:16:57","slug":"aluminum-degassing-methods","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/tr\/aluminum-degassing-methods\/","title":{"rendered":"Al\u00fcminyum Gaz Giderme Y\u00f6ntemleri"},"content":{"rendered":"<h2>Al\u00fcminyum Gaz Giderme Y\u00f6ntemleri<\/h2>\n<p>Al\u00fcminyum gaz giderme i\u015flemi, gaz g\u00f6zeneklili\u011fini \u00f6nlemek amac\u0131yla d\u00f6k\u00fcm \u00f6ncesinde erimi\u015f al\u00fcminyumdan \u00e7\u00f6z\u00fcnm\u00fc\u015f hidrojeni uzakla\u015ft\u0131r\u0131r. En etkili ve yayg\u0131n olarak kullan\u0131lan teknik, d\u00f6ner pervaneli gaz gidermedir; bu y\u00f6ntemde, inert gaz (argon veya azot) d\u00f6nen bir grafit rotordan enjekte edilir ve gaz, rotor taraf\u0131ndan ince kabarc\u0131klar halinde par\u00e7alan\u0131r. Bu kabarc\u0131klar eriyik i\u00e7inde yukar\u0131 do\u011fru y\u00fckselir, k\u0131smi bas\u0131n\u00e7 fark\u0131 sayesinde hidrojeni yakalar ve y\u00fczeye ta\u015f\u0131r. Di\u011fer yerle\u015fik al\u00fcminyum gaz giderme y\u00f6ntemleri aras\u0131nda Air Liquide ge\u00e7irgen tu\u011fla sistemi, SNIF d\u00f6ner nozul i\u015flemi, Alpur y\u00f6ntemi, hat i\u00e7i gaz giderme sistemleri, vakumla gaz giderme ve tablet (ak\u0131) ile gaz giderme say\u0131labilir. \u00c7o\u011fu d\u00f6k\u00fcmhanede, argon ile d\u00f6ner gaz giderme y\u00f6ntemi, g\u00f6zeneksiz d\u00f6k\u00fcmler i\u00e7in pratik e\u015fik de\u011fer olan 0,10 mL\/100 g Al'nin alt\u0131ndaki hidrojen seviyelerine ula\u015f\u0131lmas\u0131n\u0131 sa\u011flar.<\/p>\n<p>E\u011fer daha \u00f6nce bir d\u00f6k\u00fcm\u00fc kesip i\u00e7inde i\u011fne deli\u011fi dolu oldu\u011funu g\u00f6rd\u00fcyseniz, bu durumun ne kadar sinir bozucu oldu\u011funu anlars\u0131n\u0131z. Birinin gaz giderme d\u00f6ng\u00fcs\u00fcn\u00fc aceleye getirmesi ya da tamamen atlamas\u0131 nedeniyle, at\u00f6lyelerin bir vardiyal\u0131k \u00fcretimin tamam\u0131n\u0131 hurdaya ay\u0131rd\u0131\u011f\u0131n\u0131 g\u00f6rd\u00fcm. Bu sayfada, basit ak\u0131 tabletlerinden sofistike hat i\u00e7i sistemlere kadar modern d\u00f6k\u00fcmhanelerde kullan\u0131lan t\u00fcm \u00f6nemli al\u00fcminyum gaz giderme y\u00f6ntemleri, ger\u00e7ek proses verileriyle birlikte ele al\u0131nmaktad\u0131r; b\u00f6ylece do\u011fru yakla\u015f\u0131m\u0131 se\u00e7ip en uygun ayarlar\u0131 yapabilirsiniz.<\/p>\n<figure id=\"attachment_4685\" aria-describedby=\"caption-attachment-4685\" style=\"width: 589px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4685\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/09\/Aluminum-Degassing-Methods-1.jpg\" alt=\"Al\u00fcminyum Gaz Giderme Y\u00f6ntemleri\" width=\"589\" height=\"471\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/Aluminum-Degassing-Methods-1.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/Aluminum-Degassing-Methods-1-300x240.jpg 300w\" sizes=\"auto, (max-width: 589px) 100vw, 589px\" \/><figcaption id=\"caption-attachment-4685\" class=\"wp-caption-text\"><em>Al\u00fcminyum Gaz Giderme Y\u00f6ntemleri<\/em><\/figcaption><\/figure>\n<h2>\u00c7\u00f6z\u00fcnm\u00fc\u015f hidrojen neden al\u00fcminyumda g\u00f6zeneklili\u011fe neden olur?<\/h2>\n<p>Erimi\u015f al\u00fcminyum, hidrojeni bir s\u00fcnger gibi emer. \u00c7\u00f6z\u00fcn\u00fcrl\u00fck, kat\u0131 al\u00fcminyumda yakla\u015f\u0131k 0,04 mL\/100 g iken 750 \u00b0C\u2019de yakla\u015f\u0131k 0,70 mL\/100 g\u2019a s\u0131\u00e7rar; bu, 17 katl\u0131k bir art\u0131\u015fa kar\u015f\u0131l\u0131k gelir. Kat\u0131la\u015fma s\u0131ras\u0131nda, bu fazla hidrojenin tamam\u0131, d\u00f6k\u00fcm\u00fcn her yerine da\u011f\u0131lm\u0131\u015f gaz g\u00f6zenekleri olarak \u00e7ekirdeklenir.<\/p>\n<p>Bunlar sadece g\u00f6r\u00fcn\u00fc\u015fteki kusurlar de\u011fildir. Hidrojen g\u00f6zeneklili\u011fi, \u00e7ekme mukavemetini 10\u201325% oran\u0131nda azalt\u0131r, hidrolik ve pn\u00f6matik bile\u015fenlerin bas\u0131n\u00e7 s\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131 bozar ve reddedilme oranlar\u0131n\u0131 tavan yapar. Amerikan D\u00f6k\u00fcmc\u00fcler Derne\u011fi\u2019ne g\u00f6re, hidrojen g\u00f6zeneklili\u011fi d\u00fcnya \u00e7ap\u0131nda al\u00fcminyum d\u00f6k\u00fcmlerdeki en yayg\u0131n kusur olmaya devam etmektedir.<\/p>\n<p>Hidrojen i\u00e7eri\u011fi ile g\u00f6zeneklilik aras\u0131ndaki ili\u015fki do\u011frusal de\u011fildir. Yakla\u015f\u0131k 0,15 mL\/100 g\u2019\u0131n alt\u0131nda, \u00e7o\u011fu Al-Si ala\u015f\u0131m\u0131 kabul edilebilir bir yo\u011funlukta kat\u0131la\u015f\u0131r. 0,20 mL\/100 g'\u0131n \u00fczerinde ise risk al\u0131rs\u0131n\u0131z. 0,30 mL\/100 g'\u0131 a\u015ft\u0131\u011f\u0131n\u0131zda, \u00f6zellikle kat\u0131la\u015fman\u0131n yava\u015f oldu\u011fu ve hidrojenin yay\u0131l\u0131p daha b\u00fcy\u00fck bo\u015fluklar olu\u015fturmak i\u00e7in zamana sahip oldu\u011fu kal\u0131n kesitlerde, g\u00f6zle g\u00f6r\u00fcl\u00fcr g\u00f6zeneklilik neredeyse ka\u00e7\u0131n\u0131lmazd\u0131r.<\/p>\n<p><strong>Hidrojen al\u0131m\u0131n\u0131n yayg\u0131n kaynaklar\u0131:<\/strong><\/p>\n<ul>\n<li>Atmosferik nem (%\u2019nin \u00fczerindeki ba\u011f\u0131l nem, emilimi \u00f6nemli \u00f6l\u00e7\u00fcde h\u0131zland\u0131r\u0131r)<\/li>\n<li>Islak, ya\u011fl\u0131 veya boyanm\u0131\u015f y\u00fck malzemeleri<\/li>\n<li>Nemli ak\u0131, aletler veya refrakter kaplamalar<\/li>\n<li>Do\u011frudan ate\u015flemeli yank\u0131 eriticilerindeki f\u0131r\u0131n yanma \u00fcr\u00fcnleri<\/li>\n<li>A\u015f\u0131nm\u0131\u015f veya oksitlenmi\u015f hurda (oksit tabakalar\u0131nda hapsolmu\u015f nem)<\/li>\n<\/ul>\n<p>\u0130yi bir \u00fcretim ortam\u0131 y\u00f6netimi, \u00fcretim s\u00fcrecinin ba\u015f a\u015famalar\u0131nda hidrojen al\u0131m\u0131n\u0131 azalt\u0131r; ancak her \u0131s\u0131tma i\u015flemi yine de aktif gaz giderme gerektirir. Malzeme haz\u0131rl\u0131\u011f\u0131 ne kadar iyi yap\u0131l\u0131rsa yap\u0131ls\u0131n, bu ihtiyac\u0131 tamamen ortadan kald\u0131ramaz.<\/p>\n<h2 style=\"text-align: center;\"><a style=\"background-color: #fff3c4; display: inline-block; padding: 12px 28px; border-radius: 30px; color: #7a5a2a; text-decoration: none; font-size: 18px; font-weight: bold; text-align: center; border: 1px solid #E6D3A1;\" href=\"https:\/\/web.whatsapp.com\/send?phone=8617344611163&amp;text=\">Teknik destek i\u00e7in bizimle ileti\u015fime ge\u00e7in<\/a><\/h2>\n<h2>D\u00f6k\u00fcmhanelerde Kullan\u0131lan Ba\u015fl\u0131ca Al\u00fcminyum Gaz Giderme Y\u00f6ntemleri Nelerdir?<\/h2>\n<p>Al\u00fcminyum d\u00f6k\u00fcmhanelerinde kullan\u0131lan al\u00fcminyum gaz giderme y\u00f6ntemleri, son k\u0131rk y\u0131l i\u00e7inde \u00f6nemli \u00f6l\u00e7\u00fcde geli\u015fmi\u015ftir. Ba\u015fl\u0131ca teknikler aras\u0131nda Air Liquide y\u00f6ntemi, SNIF y\u00f6ntemi, Alpur y\u00f6ntemi, hat i\u00e7i gaz giderme sistemleri, \u00e7evrimi\u00e7i gaz giderme sistemleri, vakumla gaz giderme ve tablet (ak\u0131) ile gaz giderme yer almaktad\u0131r. Her biri verimlilik, maliyet ve uygulama kapsam\u0131 a\u00e7\u0131s\u0131ndan farkl\u0131 avantaj ve dezavantajlara sahiptir.<\/p>\n<h3>Air Liquide Y\u00f6ntemi<\/h3>\n<p>Air Liquide y\u00f6ntemi, f\u0131r\u0131n d\u0131\u015f\u0131nda uygulanan s\u00fcrekli ar\u0131tma i\u015flemlerinin ba\u015fl\u0131ca bi\u00e7imlerinden biridir. Cihaz\u0131n taban\u0131, ge\u00e7irgen bir tu\u011fla ile donat\u0131lm\u0131\u015ft\u0131r. Azot gaz\u0131, ge\u00e7irgen tu\u011fladan ge\u00e7erken minik kabarc\u0131klar olu\u015fturur ve eriyik i\u00e7inde yukar\u0131 do\u011fru y\u00fckselir. Bu kabarc\u0131klar, erimi\u015f al\u00fcminyumla temas ve hareket s\u0131ras\u0131nda \u00e7\u00f6z\u00fcnm\u00fc\u015f gaz\u0131 emer ve ask\u0131da kalan safs\u0131zl\u0131klar\u0131 hapseder; bunlar\u0131 y\u00fczeye \u00e7\u0131kararak ar\u0131tma etkisi yarat\u0131r.<\/p>\n<p>Bu y\u00f6ntem hem hidrojeni hem de baz\u0131 metalik olmayan c\u00fcruflar\u0131 giderebilse de, genel gaz giderme verimlili\u011fi daha modern sistemlere k\u0131yasla ideal de\u011fildir. Ge\u00e7irgen tu\u011flalar\u0131n olu\u015fturdu\u011fu kabarc\u0131k boyutu, d\u00f6ner nozul sistemlerinin \u00fcretti\u011fine g\u00f6re genellikle daha b\u00fcy\u00fck ve daha az tekd\u00fcze olma e\u011filimindedir; bu da toplam gaz-eriyik temas alan\u0131n\u0131 s\u0131n\u0131rlar ve etkili etkile\u015fim s\u00fcresini k\u0131salt\u0131r. Yine de Air Liquide yakla\u015f\u0131m\u0131, harici eriyik i\u015fleme teknolojisinin geli\u015fiminde \u00f6nemli bir ad\u0131md\u0131 ve ge\u00e7irgen tapal\u0131 gaz tahliyesinin \u00e7e\u015fitli versiyonlar\u0131, maksimum hidrojen gideriminden \u00e7ok basitli\u011fin \u00f6n planda tutuldu\u011fu baz\u0131 \u00e7elik ve al\u00fcminyum \u00fcretim tesislerinde h\u00e2l\u00e2 kullan\u0131lmaktad\u0131r.<\/p>\n<h3>SNIF Y\u00f6ntemi (D\u00f6nen Nozullu \u0130nert Flotasyon)<\/h3>\n<p>SNIF \u2014 Spinning Nozzle Inert Flotation (D\u00f6nen Nozullu \u0130nert Flotasyon) ifadesinin k\u0131saltmas\u0131 \u2014 aslen Union Carbide Corporation taraf\u0131ndan geli\u015ftirilen, al\u00fcminyum eriyi\u011fi i\u00e7in kullan\u0131lan bir harici ar\u0131tma cihaz\u0131d\u0131r. Sistem, her biri grafit gazl\u0131 d\u00f6nen bir nozul i\u00e7eren iki hazneden olu\u015fur. Gaz, her bir nozulun rotoru arac\u0131l\u0131\u011f\u0131yla ince kabarc\u0131klar halinde da\u011f\u0131t\u0131l\u0131r. Ayn\u0131 zamanda rotor, eriyikleri kar\u0131\u015ft\u0131rarak kabarc\u0131klar\u0131 t\u00fcm hacim boyunca e\u015fit bir \u015fekilde da\u011f\u0131t\u0131r ve b\u00f6ylece kapsaml\u0131 bir ar\u0131tma etkisi sa\u011flar.<\/p>\n<p>Bu tasar\u0131m, basit gaz enjeksiyon y\u00f6ntemlerinin bir zay\u0131fl\u0131\u011f\u0131n\u0131 \u00f6zellikle ele almaktad\u0131r: gaz\u0131n tek bir y\u00f6nde \u00fcflenmesinden kaynaklanan kabarc\u0131klar\u0131n birikmesi ve kabarc\u0131klar\u0131n bir kolon i\u00e7inde yukar\u0131 do\u011fru y\u00fczerken olu\u015fan s\u00fcrekli gaz kanal\u0131. Bu kanallar, gaz ile eriyik aras\u0131ndaki temas s\u00fcresini k\u0131saltarak ar\u0131tma verimlili\u011fini d\u00fc\u015f\u00fcrmektedir. SNIF y\u00f6ntemi, mekanik \u00e7alkalama yoluyla bu kanallar\u0131 par\u00e7alamaktad\u0131r.<\/p>\n<p>Ar\u0131nd\u0131rma gaz\u0131 genellikle azot veya argondur. Ar\u0131nd\u0131rma etkisini art\u0131rmak i\u00e7in \u2014\u00f6zellikle alkali metallerin uzakla\u015ft\u0131r\u0131lmas\u0131 amac\u0131yla\u2014 ta\u015f\u0131y\u0131c\u0131 gaza 2% ila 5% oran\u0131nda klor kar\u0131\u015ft\u0131r\u0131labilir; ancak bu uygulama son y\u0131llarda \u00e7evresel a\u00e7\u0131dan giderek daha fazla ele\u015ftiriye maruz kalmaktad\u0131r.<\/p>\n<h3>Alpur Y\u00f6ntemi<\/h3>\n<p>Alpur y\u00f6ntemi, Fransa\u2019da P\u00e9chiney taraf\u0131ndan (ba\u015flang\u0131\u00e7ta Bischner \u015firketi arac\u0131l\u0131\u011f\u0131yla) geli\u015ftirilmi\u015ftir. SNIF sistemi gibi, Alpur i\u015flemi de eriyik i\u00e7ine rafine gaz\u0131 mikro kabarc\u0131klar halinde enjekte etmek i\u00e7in d\u00f6nen bir nozul kullan\u0131r. Ancak Alpur tasar\u0131m\u0131, kritik bir a\u00e7\u0131dan farkl\u0131l\u0131k g\u00f6sterir: Yaln\u0131zca harici eriyik sirk\u00fclasyonuna g\u00fcvenmek yerine, eriyik par\u00e7as\u0131n\u0131 nozul grubuna \u00e7ekerek rotor muhafazas\u0131 i\u00e7indeki kabarc\u0131klarla do\u011frudan temas etmesini sa\u011flar. Rotor haznesi i\u00e7indeki bu yo\u011fun gaz-eriyik kar\u0131\u015f\u0131m\u0131, ar\u0131tma verimlili\u011fini \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131r\u0131r.<\/p>\n<p>Kullan\u0131lan gazlar azot ve argondur. Alpur y\u00f6ntemi, birincil al\u00fcminyum eritme tesislerinde ve b\u00fcy\u00fck \u00f6l\u00e7ekli d\u00f6k\u00fcmhanelerde yayg\u0131n olarak benimsenmi\u015f ve bir\u00e7ok modern s\u0131ral\u0131 gaz giderme \u00fcnitesinin tasar\u0131m\u0131n\u0131 etkilemi\u015ftir. Bu y\u00f6ntemin temel yenili\u011fi \u2014 kabarc\u0131klar\u0131 statik bir banyoya salmak yerine eriyi\u011fi kabarc\u0131k olu\u015fum b\u00f6lgesinden ge\u00e7irmek \u2014 g\u00fcn\u00fcm\u00fczde \u00fcretilen \u00e7o\u011fu y\u00fcksek performansl\u0131 d\u00f6ner gaz giderme sisteminin \u00e7al\u0131\u015fma prensibi olmaya devam etmektedir.<\/p>\n<h3>Hat \u0130\u00e7i Gaz Giderme Sistemi<\/h3>\n<p>Erimi\u015f metal hat i\u00e7i gaz giderme sistemi, ilk olarak 1982 y\u0131l\u0131nda Conalco taraf\u0131ndan geli\u015ftirilen bir t\u00fcr s\u00fcrekli erimi\u015f metal i\u015fleme sistemidir. Al\u00fcminyum erimi\u015f metal, giri\u015ften te\u011fetsel olarak silindirik reaksiyon odas\u0131na girer ve bu da erimi\u015f metale d\u00f6nme ak\u0131\u015f\u0131 kazand\u0131r\u0131r. Reakt\u00f6r\u00fcn alt k\u0131sm\u0131, k\u00fc\u00e7\u00fck kabarc\u0131klar sa\u00e7an gaz nozullar\u0131yla donat\u0131lm\u0131\u015ft\u0131r ve bu kabarc\u0131klar, d\u00f6nen eriyik sayesinde reakt\u00f6r\u00fcn t\u00fcm hacmine yay\u0131l\u0131r, b\u00f6ylece m\u00fckemmel bir ar\u0131tma etkisi sa\u011flar.<\/p>\n<p>Erimi\u015f malzeme reaksiyon odas\u0131ndan d\u0131\u015far\u0131 akt\u0131ktan sonra, bir\u00a0<a class=\"text-interactive-link\" href=\"https:\/\/www.alalloycasting.com\/tr\/products\/\" target=\"_blank\" rel=\"noopener noreferrer\">seramik k\u00f6p\u00fck filtre<\/a>\u00a0metal olmayan kal\u0131nt\u0131lar\u0131 gidermek i\u00e7in. Gaz giderme i\u015fleminin hemen ard\u0131ndan s\u00fczme i\u015fleminin ger\u00e7ekle\u015ftirildi\u011fi bu a\u015famal\u0131 i\u015flem, y\u00fcksek kaliteli al\u00fcminyum d\u00f6k\u00fcm i\u00e7in g\u00fcn\u00fcm\u00fcz\u00fcn en iyi uygulamas\u0131d\u0131r. Ar\u0131tma gaz\u0131 argondur; ayr\u0131ca alkali metallerin daha iyi giderilmesini sa\u011flamak amac\u0131yla az miktarda klor da eklenebilir.<\/p>\n<p>Hat i\u00e7i sistemler, \u00f6zellikle s\u00fcrekli d\u00f6k\u00fcm i\u015flemleri, DC d\u00f6k\u00fcm hatlar\u0131 ve parti parti pota i\u015fleminin darbo\u011fazlara yol a\u00e7abilece\u011fi her t\u00fcrl\u00fc y\u00fcksek hacimli i\u015flem i\u00e7in son derece uygundur.<\/p>\n<h3>\u00c7evrimi\u00e7i Gaz Giderme Sistemi<\/h3>\n<p>\u00c7evrimi\u00e7i gaz giderme sistemi, d\u00f6k\u00fcmhane \u00f6l\u00e7e\u011finde al\u00fcminyum eriyik i\u015fleme alan\u0131nda g\u00fcn\u00fcm\u00fcz\u00fcn en geli\u015fmi\u015f teknolojisini temsil etmektedir. Bu \u00fcniteler, tutma oca\u011f\u0131 ile d\u00f6k\u00fcm ekipman\u0131 aras\u0131na kurulur ve metal, d\u00f6k\u00fcm istasyonuna do\u011fru akarken s\u00fcrekli olarak i\u015flenir.<\/p>\n<p>Geli\u015fmi\u015f \u00e7evrimi\u00e7i gaz giderme \u00fcniteleri, daha uzun hizmet \u00f6mr\u00fc sa\u011flamak i\u00e7in y\u00fcksek silikon eritme teknolojisini kullan\u0131r. Gaz giderme rotoru, \u0131s\u0131t\u0131c\u0131 koruma k\u0131l\u0131f\u0131 ve termokupl koruma k\u0131l\u0131f\u0131, y\u00fcksek hassasiyetli al\u00fcminyum \u00fcretiminin gereksinimlerini kar\u015f\u0131layabilen hassas seramik \u00fcretim teknolojisiyle \u00fcretilmi\u015ftir. Bir<a href=\"https:\/\/www.alalloycasting.com\/tr\/degassing-unit\/\" target=\"_blank\" rel=\"noopener\"><em><strong> <span class=\"su-highlight\" style=\"background:#eccb42;color:#000000\">&nbsp;\u00e7evrimi\u00e7i gaz giderme \u00fcnitesi&nbsp;<\/span>\u00a0<\/strong><\/em><\/a>iki i\u015flev sunar: aktif hidrojen giderimi ve entegre \u0131s\u0131tma yoluyla erime s\u0131cakl\u0131\u011f\u0131n\u0131n korunmas\u0131. Bu kombinasyon, y\u00fcksek hassasiyetli erimi\u015f al\u00fcminyum ar\u0131tma end\u00fcstrisine hizmet eder; otomotiv yap\u0131 d\u00f6k\u00fcmleri, havac\u0131l\u0131k ve uzay bile\u015fenleri ile \u00fcst\u00fcn kaliteli ekstr\u00fczyon k\u00fct\u00fckleri, bu d\u00fczeydeki proses kontrol\u00fcnden faydalan\u0131r.<\/p>\n<p>Toplu kova gaz giderme y\u00f6ntemine k\u0131yasla en \u00f6nemli avantaj\u0131, tutarl\u0131l\u0131kt\u0131r. Metal, ar\u0131tma odas\u0131ndan kesintisiz bir \u015fekilde akt\u0131\u011f\u0131 i\u00e7in, her kilogram al\u00fcminyum ayn\u0131 gaz giderme i\u015fleminden ge\u00e7er. Bir \u00fcretim d\u00f6ng\u00fcs\u00fcn\u00fcn \u201cilk kovas\u0131\u201d ile \u201cson kovas\u0131\u201d aras\u0131nda hi\u00e7bir fark yoktur.<\/p>\n<figure id=\"attachment_44943\" aria-describedby=\"caption-attachment-44943\" style=\"width: 1129px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-44943\" src=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/IMG_20240219_103926-scaled.jpg\" alt=\"gaz giderme \u00fcnitesi\" width=\"1129\" height=\"1506\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/IMG_20240219_103926-scaled.jpg 1920w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/IMG_20240219_103926-225x300.jpg 225w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/IMG_20240219_103926-768x1024.jpg 768w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/IMG_20240219_103926-1152x1536.jpg 1152w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/IMG_20240219_103926-1536x2048.jpg 1536w\" sizes=\"auto, (max-width: 1129px) 100vw, 1129px\" \/><figcaption id=\"caption-attachment-44943\" class=\"wp-caption-text\"><em>gaz giderme \u00fcnitesi<\/em><\/figcaption><\/figure>\n<p style=\"text-align: center;\"><a href=\"https:\/\/web.whatsapp.com\/send?phone=8617344611163&amp;text=\"><em><strong><span class=\"su-highlight\" style=\"background:#ffffff;color:#e76d6d\">&nbsp;Projeniz i\u00e7in gaz giderme \u00fcnitesinin kullan\u0131lmas\u0131 gerekiyorsa, \u00fccretsiz fiyat teklifi almak \u00fczere bizimle ileti\u015fime ge\u00e7ebilirsiniz.&nbsp;<\/span><\/strong><\/em><\/a><\/p>\n<h2>D\u00f6ner Pervaneli Gaz Giderme \u0130\u015flemi Asl\u0131nda Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n<p>D\u00f6ner pervaneli teknoloji, SNIF, Alpur ve modern \u00e7evrimi\u00e7i gaz giderme sistemlerinin temelini olu\u015fturdu\u011fundan, bu mekanizmay\u0131 ayr\u0131nt\u0131l\u0131 olarak anlamakta fayda vard\u0131r.<\/p>\n<p>Grafit veya silikon karb\u00fcr bir rotor, 350\u2013600 RPM h\u0131z\u0131nda d\u00f6nerken, i\u00e7i bo\u015f \u015faft\u0131ndan inert gaz akar. Rotor, gelen gaz ak\u0131\u015f\u0131n\u0131 binlerce minik kabarc\u0131\u011fa \u2014genellikle \u00e7ap\u0131 1\u20133 mm olan\u2014 par\u00e7alar. Bu ince kabarc\u0131klar\u0131n toplam y\u00fczey alan\u0131 muazzamd\u0131r. Erimi\u015f malzemenin i\u00e7inden yukar\u0131 do\u011fru y\u00fckselirken, saf argon kabarc\u0131\u011f\u0131n\u0131n i\u00e7indeki H\u2082 k\u0131smi bas\u0131nc\u0131 esasen s\u0131f\u0131r oldu\u011fu i\u00e7in hidrojen bu kabarc\u0131klar\u0131n i\u00e7ine yay\u0131l\u0131r. Hidrojen y\u00fckl\u00fc kabarc\u0131klar y\u00fczeye ula\u015f\u0131r, patlar ve gaz\u0131 egzoz davlumbaz\u0131na salar.<\/p>\n<p>Toplu i\u015fleme d\u00f6ng\u00fc s\u00fcreleri, eriyik hacmine ve ba\u015flang\u0131\u00e7 hidrojen konsantrasyonuna ba\u011fl\u0131 olarak 8\u201315 dakika s\u00fcrer. 500 kg\u2019l\u0131k bir potada d\u00fczg\u00fcn \u00e7al\u0131\u015fan bir rotor, tutarl\u0131 bir \u015fekilde 0,06\u20130,10 mL\/100 g Al de\u011ferine ula\u015f\u0131r.<\/p>\n<h3>Argon mu, Azot mu: Hangi Gazla Gaz Giderimi Yapmal\u0131s\u0131n\u0131z?<\/h3>\n<p>Bu tart\u0131\u015fma, her d\u00f6k\u00fcmc\u00fcl\u00fck konferans\u0131nda g\u00fcndeme gelir. \u0130\u015fte pratik cevap:<\/p>\n<p><strong>Argon<\/strong>\u00a0Erimi\u015f al\u00fcminyumda tamamen inert bir gazd\u0131r. Ala\u015f\u0131m elementleriyle reaksiyona girmez, kal\u0131nt\u0131lar olu\u015fturmaz ve her ala\u015f\u0131m grubunda g\u00fcvenle kullan\u0131labilir. G\u00fcvenli\u011fin kritik \u00f6neme sahip oldu\u011fu uygulamalar, havac\u0131l\u0131k ve y\u00fcksek magnezyum i\u00e7erikli ala\u015f\u0131mlar i\u00e7in argon, tek makul se\u00e7imdir.<\/p>\n<p><strong>Azot<\/strong>\u00a0metrek\u00fcp ba\u015f\u0131na 30\u201340% daha ucuzdur ve bir\u00e7ok ticari ala\u015f\u0131m i\u00e7in yeterli performans\u0131 g\u00f6sterir. Bununla birlikte, azot, \u00f6zellikle magnezyum i\u00e7eren ala\u015f\u0131mlarda (A356, A380), 740\u00b0C\u2019nin \u00fczerindeki s\u0131cakl\u0131klarda al\u00fcminyumla reaksiyona girerek al\u00fcminyum nitr\u00fcr (AlN) kal\u0131nt\u0131lar\u0131 olu\u015fturur. Bu sert par\u00e7ac\u0131klar, i\u015fleme aletlerinin a\u015f\u0131nmas\u0131na neden olur ve yorulma \u00f6mr\u00fcn\u00fc k\u0131salt\u0131r.<\/p>\n<div class=\"overflow-x-auto\">\n<table class=\"min-w-full\">\n<thead>\n<tr>\n<th class=\"whitespace-nowrap px-3 py-2\">Parametre<\/th>\n<th class=\"whitespace-nowrap px-3 py-2\">Argon Gaz\u0131n\u0131n Giderilmesi<\/th>\n<th class=\"whitespace-nowrap px-3 py-2\">Azot Gaz\u0131n\u0131n Giderilmesi<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"px-3 py-2\">Metrek\u00fcp ba\u015f\u0131na gaz maliyeti<\/td>\n<td class=\"px-3 py-2\">Daha y\u00fcksek (~$3,50\u20135,00)<\/td>\n<td class=\"px-3 py-2\">Alt aral\u0131k (~$1,80\u20133,00)<\/td>\n<\/tr>\n<tr>\n<td class=\"px-3 py-2\">AlN kal\u0131nt\u0131lar\u0131n\u0131n olu\u015fma riski<\/td>\n<td class=\"px-3 py-2\">Yok<\/td>\n<td class=\"px-3 py-2\">Mg ala\u015f\u0131mlar\u0131nda orta ila y\u00fcksek d\u00fczeyde<\/td>\n<\/tr>\n<tr>\n<td class=\"px-3 py-2\">Ula\u015f\u0131labilecek nihai H\u2082 miktar\u0131<\/td>\n<td class=\"px-3 py-2\">0,05\u20130,10 mL\/100 g<\/td>\n<td class=\"px-3 py-2\">0,08\u20130,15 mL\/100 g<\/td>\n<\/tr>\n<tr>\n<td class=\"px-3 py-2\">En uygun oldu\u011fu durumlar:<\/td>\n<td class=\"px-3 py-2\">Havac\u0131l\u0131k ve uzay, yap\u0131sal, g\u00fcvenlik a\u00e7\u0131s\u0131ndan kritik<\/td>\n<td class=\"px-3 py-2\">Ticari, kritik olmayan d\u00f6k\u00fcmler<\/td>\n<\/tr>\n<tr>\n<td class=\"px-3 py-2\">Ala\u015f\u0131m uyumlulu\u011fu<\/td>\n<td class=\"px-3 py-2\">Evrensel<\/td>\n<td class=\"px-3 py-2\">&gt;0,31 TP3T Mg ala\u015f\u0131mlar\u0131ndan ka\u00e7\u0131n\u0131n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><em>Argon, kontaminasyon riski olmaks\u0131z\u0131n s\u00fcrekli olarak daha d\u00fc\u015f\u00fck kal\u0131nt\u0131 hidrojen seviyesi sa\u011flar; bu \u00f6zelli\u011fi sayesinde kaliteye duyarl\u0131 uygulamalar i\u00e7in tercih edilen ta\u015f\u0131y\u0131c\u0131 gazd\u0131r.<\/em><\/p>\n<h2>Peki ya Tablet (Flux) Gaz Giderme \u2014 H\u00e2l\u00e2 G\u00fcncel mi?<\/h2>\n<p>Tablet gaz giderme i\u015fleminde, erime s\u0131cakl\u0131\u011f\u0131nda ayr\u0131\u015farak klor gaz\u0131 salan kat\u0131 bile\u015fikler \u2014 en yayg\u0131n olarak heksakloroetan (C\u2082Cl\u2086) \u2014 kullan\u0131l\u0131r. Klor, eriyik i\u00e7inde kabarc\u0131klar halinde y\u00fckselir ve inert gaz\u0131n yapt\u0131\u011f\u0131 gibi hidrojeni uzakla\u015ft\u0131r\u0131r; ancak buna ek bir kimyasal fayda da vard\u0131r: klor, alkali metallerle (sodyum, kalsiyum, lityum) reaksiyona girerek c\u00fcruf olarak y\u00fczeye \u00e7\u0131kan klor\u00fcr tuzlar\u0131 olu\u015fturur.<\/p>\n<p>Dolay\u0131s\u0131yla, tablet gaz giderme i\u015flemi iki i\u015flevi birden yerine getirir: hidrojen giderme ve eriyik temizleme.<\/p>\n<p>Ancak dezavantajlar\u0131 da olduk\u00e7a \u00f6nemlidir. Klor gaz\u0131 ve yan \u00fcr\u00fcnleri (HCl, eser miktarda fosgen) zehirli ve a\u015f\u0131nd\u0131r\u0131c\u0131d\u0131r. REACH y\u00f6netmelikleri kapsam\u0131ndaki AB dahil olmak \u00fczere bir\u00e7ok yarg\u0131 b\u00f6lgesi, heksakloroetan tabletlerini k\u0131s\u0131tlam\u0131\u015f veya yasaklam\u0131\u015ft\u0131r. OSHA\u2019n\u0131n klor i\u00e7in izin verilen maruz kalma s\u0131n\u0131r\u0131, 8 saatlik TWA olarak sadece 1 ppm\u2019dir; bu de\u011fer, havaland\u0131rmas\u0131 yetersiz bir d\u00f6k\u00fcmhanede kolayl\u0131kla a\u015f\u0131labilir.<\/p>\n<p>Sermaye b\u00fct\u00e7elerinin k\u0131s\u0131tl\u0131 oldu\u011fu G\u00fcneydo\u011fu Asya ve G\u00fcney Amerika\u2019daki k\u00fc\u00e7\u00fck imalat at\u00f6lyelerinde h\u00e2l\u00e2 tablet gaz giderme sorunuyla kar\u015f\u0131la\u015f\u0131yorum. G\u00fcnde iki kez eritilen 50 kg'l\u0131k bir pota i\u00e7in, $15.000+ tutar\u0131nda bir d\u00f6ner sisteme yat\u0131r\u0131m yapmak, $0,50'lik bir tabletle i\u015fin halledilebildi\u011fi durumlarda pek mant\u0131kl\u0131 gelmiyor. Ancak gidi\u015fat \u00e7ok net: bu y\u00f6ntem d\u00fcnya \u00e7ap\u0131nda kademeli olarak kullan\u0131mdan kald\u0131r\u0131l\u0131yor.<\/p>\n<p><strong>Klor i\u00e7ermeyen tabletler<\/strong>\u00a0Flor\u00fcr bile\u015fiklerine dayal\u0131 y\u00f6ntemler giderek daha fazla ilgi g\u00f6r\u00fcyor. Bu y\u00f6ntemler operat\u00f6rler i\u00e7in daha g\u00fcvenli olmakla birlikte, hidrojen gideriminde \u00f6l\u00e7\u00fclebilir derecede daha az etkilidir.<\/p>\n<div class=\"overflow-x-auto\">\n<table class=\"min-w-full\">\n<thead>\n<tr>\n<th class=\"whitespace-nowrap px-3 py-2\">Fakt\u00f6r<\/th>\n<th class=\"whitespace-nowrap px-3 py-2\">Heksakloroetan Tabletleri<\/th>\n<th class=\"whitespace-nowrap px-3 py-2\">Klor \u0130\u00e7ermeyen Tabletler<\/th>\n<th class=\"whitespace-nowrap px-3 py-2\">D\u00f6ner Pervane (Argon)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"px-3 py-2\">H\u2082 giderme verimlili\u011fi<\/td>\n<td class=\"px-3 py-2\">50\u201365%<\/td>\n<td class=\"px-3 py-2\">30\u201345%<\/td>\n<td class=\"px-3 py-2\">75\u201390%<\/td>\n<\/tr>\n<tr>\n<td class=\"px-3 py-2\">Zehirli duman olu\u015fumu<\/td>\n<td class=\"px-3 py-2\">Y\u00fcksek (Cl\u2082, HCl)<\/td>\n<td class=\"px-3 py-2\">D\u00fc\u015f\u00fck<\/td>\n<td class=\"px-3 py-2\">Yok<\/td>\n<\/tr>\n<tr>\n<td class=\"px-3 py-2\">Tedavi ba\u015f\u0131na maliyet (100 kg)<\/td>\n<td class=\"px-3 py-2\">~$1,50\u20133,00<\/td>\n<td class=\"px-3 py-2\">~$3,00\u20135,00<\/td>\n<td class=\"px-3 py-2\">~$2,00\u20134,00 (gaz + a\u015f\u0131nma)<\/td>\n<\/tr>\n<tr>\n<td class=\"px-3 py-2\">Yasal durum (AB\/ABD)<\/td>\n<td class=\"px-3 py-2\">S\u0131n\u0131rl\u0131 eri\u015fim<\/td>\n<td class=\"px-3 py-2\">\u0130zin Verilen<\/td>\n<td class=\"px-3 py-2\">\u0130zin Verilen<\/td>\n<\/tr>\n<tr>\n<td class=\"px-3 py-2\">Alkali metallerin uzakla\u015ft\u0131r\u0131lmas\u0131<\/td>\n<td class=\"px-3 py-2\">M\u00fckemmel<\/td>\n<td class=\"px-3 py-2\">Orta<\/td>\n<td class=\"px-3 py-2\">Ak\u0131 i\u00e7ermeyen minimal tasar\u0131m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><em>Tablet gaz giderme, k\u00fc\u00e7\u00fck parti \u00fcretim i\u015flemleri i\u00e7in h\u00e2l\u00e2 uygun maliyetli bir se\u00e7enek olmaya devam etmekle birlikte, d\u00fcnya \u00e7ap\u0131nda giderek s\u0131k\u0131la\u015fan k\u0131s\u0131tlamalarla kar\u015f\u0131 kar\u015f\u0131ya oldu\u011fundan, d\u00f6ner gaz giderme y\u00f6ntemi uzun vadede daha s\u00fcrd\u00fcr\u00fclebilir bir yat\u0131r\u0131m olarak \u00f6ne \u00e7\u0131kmaktad\u0131r.<\/em><\/p>\n<h2>Vakumla Gaz Giderme, Gazla Temizleme Y\u00f6ntemleriyle Kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda Nas\u0131l Bir Farkl\u0131l\u0131k G\u00f6sterir?<\/h2>\n<p>Vakumla gaz giderme i\u015flemi tamamen farkl\u0131 bir prensipte \u00e7al\u0131\u015f\u0131r. Hidrojeni uzakla\u015ft\u0131rmak i\u00e7in kabarc\u0131klar eklemek yerine, eriyik \u00fczerindeki atmosferik bas\u0131nc\u0131 d\u00fc\u015f\u00fcr\u00fcrs\u00fcn\u00fcz. Sievert yasas\u0131na g\u00f6re, erimi\u015f al\u00fcminyumdaki hidrojen \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc, y\u00fczeyin \u00fczerindeki H\u2082 k\u0131smi bas\u0131nc\u0131n\u0131n karek\u00f6k\u00fc ile orant\u0131l\u0131d\u0131r. Bas\u0131nc\u0131 1\u201310 mbar'a d\u00fc\u015f\u00fcrd\u00fc\u011f\u00fcn\u00fczde, hidrojen metalden kendili\u011finden buharla\u015farak d\u0131\u015far\u0131 \u00e7\u0131kar.<\/p>\n<p>Uygulamada, vakumla gaz giderme i\u015flemi neredeyse tamamen s\u00fcrekli d\u00f6k\u00fcm ve birincil al\u00fcminyum \u00fcretimi ile s\u0131n\u0131rl\u0131d\u0131r. Gerekli ekipmanlar \u2014 vakum odalar\u0131, s\u0131cakl\u0131\u011f\u0131 sabit tutmak i\u00e7in ind\u00fcksiyonla \u0131s\u0131tma sistemleri, s\u0131zd\u0131rmaz transfer sistemleri \u2014 $200K ile $1M'nin \u00fczerinde bir maliyete sahiptir. Bu maliyet, 200 kg'l\u0131k d\u00f6k\u00fcmler yapan bir d\u00f6k\u00fcmhane i\u00e7in ekonomik de\u011fildir.<\/p>\n<p>Vakumla gaz gidermenin en etkili oldu\u011fu alan, hibrit konfig\u00fcrasyonlard\u0131r. Baz\u0131 geli\u015fmi\u015f d\u00f6k\u00fcmhane operasyonlar\u0131nda, k\u0131smi vakum (100\u2013200 mbar) ile yava\u015f argon tahliyesi birle\u015ftirilir. Bu yakla\u015f\u0131m, hidrojen seviyelerini 0,05 mL\/100 g'nin alt\u0131na d\u00fc\u015f\u00fcrebilir; bu, en y\u00fcksek kalitedeki d\u00f6vme hammaddeleri ve m\u00fcmk\u00fcn olan en d\u00fc\u015f\u00fck gaz i\u00e7eri\u011fini gerektiren belirli havac\u0131l\u0131k k\u00fct\u00fckleri i\u00e7in gereklidir.<\/p>\n<p>D\u00f6k\u00fcmhane \u00f6l\u00e7e\u011finde al\u00fcminyum gaz giderme i\u015flemlerinde, d\u00f6ner pervaneli sistemler, vakum teknolojisinin karma\u015f\u0131kl\u0131\u011f\u0131 ve maliyetine gerek kalmaks\u0131z\u0131n ger\u00e7ek hayattaki gereksinimlerin b\u00fcy\u00fck \u00e7o\u011funlu\u011funu kar\u015f\u0131lamaktad\u0131r.<\/p>\n<h2>Etkili al\u00fcminyum gaz giderimi i\u00e7in en \u00f6nemli proses parametreleri nelerdir?<\/h2>\n<p>\u0130yi bir donan\u0131ma sahip olmak gereklidir, ancak tek ba\u015f\u0131na yeterli de\u011fildir. Operat\u00f6rlerin yanl\u0131\u015f parametreler kulland\u0131klar\u0131 i\u00e7in, birinci s\u0131n\u0131f gaz giderme istasyonlar\u0131na sahip olmas\u0131na ra\u011fmen yine de g\u00f6zenekli d\u00f6k\u00fcmler \u00fcreten d\u00f6k\u00fcmhaneleri denetledim. \u0130\u015fte sonu\u00e7lar\u0131 ger\u00e7ekten belirleyen unsurlar:<\/p>\n<h3>Rotor H\u0131z\u0131, Gaz Ak\u0131\u015f H\u0131z\u0131 ve \u0130\u015flem S\u00fcresi<\/h3>\n<p>Bu \u00fc\u00e7 de\u011fi\u015fken birbiriyle etkile\u015fim halindedir. Daha y\u00fcksek rotor h\u0131z\u0131, daha ince kabarc\u0131klar olu\u015fturur ancak ayn\u0131 zamanda daha fazla y\u00fczey t\u00fcrb\u00fclans\u0131 da yarat\u0131r; bu da atmosferik nemden kaynaklanan hidrojenin tekrar sisteme girmesine neden olabilir. \u00c7o\u011fu 200\u2013800 kg\u2019l\u0131k eriyik i\u00e7in pratikteki ideal aral\u0131k:<\/p>\n<ul>\n<li><strong>Rotor h\u0131z\u0131:<\/strong>\u00a0400\u2013500 dev\/dak<\/li>\n<li><strong>Gaz ak\u0131\u015f h\u0131z\u0131:<\/strong>\u00a05\u201315 L\/dk (erime hacmine g\u00f6re \u00f6l\u00e7eklendirilmi\u015f)<\/li>\n<li><strong>Tedavi s\u00fcresi:<\/strong>\u00a010\u201315 dakika<\/li>\n<\/ul>\n<p>A\u015f\u0131r\u0131 gaz ak\u0131\u015f\u0131, ama\u00e7tan uzakla\u015fan dalgal\u0131 ve s\u0131\u00e7rayan bir y\u00fczey olu\u015fturur. Ak\u0131\u015f\u0131n \u00e7ok az olmas\u0131 ise, verimli bir temizleme yap\u0131lmadan h\u0131zla y\u00fckselen a\u015f\u0131r\u0131 b\u00fcy\u00fck kabarc\u0131klar\u0131n olu\u015fmas\u0131na neden olur. Erimi\u015f malzeme y\u00fczeyini izleyin: t\u00fcm alana yay\u0131lm\u0131\u015f, yumu\u015fak ve tutarl\u0131 bir kabarc\u0131k olu\u015fumu olmal\u0131d\u0131r. Ortada bir volkan patlamas\u0131 g\u00f6r\u00fcrseniz, ak\u0131\u015f h\u0131z\u0131n\u0131 azalt\u0131n veya RPM'yi art\u0131rarak kabarc\u0131klar\u0131 daha ince bir \u015fekilde par\u00e7alay\u0131n.<\/p>\n<h3>Hangi s\u0131cakl\u0131kta gaz giderimi yap\u0131lmal\u0131d\u0131r?<\/h3>\n<p>Gaz giderme i\u015flemi, eriyik s\u0131cakl\u0131klar\u0131 d\u00fc\u015f\u00fck oldu\u011funda daha etkilidir; \u00e7\u00fcnk\u00fc likid\u00fcs noktas\u0131na yakla\u015ft\u0131k\u00e7a hidrojen \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc azal\u0131r. Ancak s\u0131cakl\u0131\u011f\u0131 \u00e7ok d\u00fc\u015f\u00fcr\u00fcrseniz, rotorda erken kat\u0131la\u015fma ve d\u00f6k\u00fcm i\u00e7in yetersiz a\u015f\u0131r\u0131 \u0131s\u0131nma riskiyle kar\u015f\u0131 kar\u015f\u0131ya kal\u0131rs\u0131n\u0131z.<\/p>\n<div class=\"overflow-x-auto\">\n<table class=\"min-w-full\">\n<thead>\n<tr>\n<th class=\"whitespace-nowrap px-3 py-2\">Ala\u015f\u0131m Ailesi<\/th>\n<th class=\"whitespace-nowrap px-3 py-2\">Gaz Giderme S\u0131cakl\u0131\u011f\u0131 (\u00b0C)<\/th>\n<th class=\"whitespace-nowrap px-3 py-2\">D\u00f6kme S\u0131cakl\u0131\u011f\u0131 (\u00b0C)<\/th>\n<th class=\"whitespace-nowrap px-3 py-2\">Erime Noktas\u0131 (\u00b0C)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"px-3 py-2\">A356 (Al-7Si-0,3Mg)<\/td>\n<td class=\"px-3 py-2\">710\u2013730<\/td>\n<td class=\"px-3 py-2\">720\u2013740<\/td>\n<td class=\"px-3 py-2\">615<\/td>\n<\/tr>\n<tr>\n<td class=\"px-3 py-2\">A380 (Al-8,5Si-3,5Cu)<\/td>\n<td class=\"px-3 py-2\">700\u2013720<\/td>\n<td class=\"px-3 py-2\">670\u2013710<\/td>\n<td class=\"px-3 py-2\">595<\/td>\n<\/tr>\n<tr>\n<td class=\"px-3 py-2\">6061 (d\u00f6vme, eritilmi\u015f)<\/td>\n<td class=\"px-3 py-2\">720\u2013740<\/td>\n<td class=\"px-3 py-2\">700\u2013720<\/td>\n<td class=\"px-3 py-2\">652<\/td>\n<\/tr>\n<tr>\n<td class=\"px-3 py-2\">A319 (Al-6Si-3,5Cu)<\/td>\n<td class=\"px-3 py-2\">710\u2013725<\/td>\n<td class=\"px-3 py-2\">700\u2013730<\/td>\n<td class=\"px-3 py-2\">604<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><em>En d\u00fc\u015f\u00fck pratik s\u0131cakl\u0131kta gaz giderme i\u015flemi, hidrojen giderme verimlili\u011fini art\u0131r\u0131r; ancak aktar\u0131mdan sonra kal\u0131b\u0131n tamamen doldurulmas\u0131 i\u00e7in yeterli a\u015f\u0131r\u0131 \u0131s\u0131nman\u0131n korunmas\u0131 gerekir.<\/em><\/p>\n<h2 style=\"text-align: center;\"><a style=\"background-color: #fff3c4; display: inline-block; padding: 12px 28px; border-radius: 30px; color: #7a5a2a; text-decoration: none; font-size: 18px; font-weight: bold; text-align: center; border: 1px solid #E6D3A1;\" href=\"https:\/\/web.whatsapp.com\/send?phone=8617344611163&amp;text=\">Teknik destek i\u00e7in bizimle ileti\u015fime ge\u00e7in<\/a><\/h2>\n<h2>Erimi\u015f al\u00fcminyumdaki hidrojen i\u00e7eri\u011fi nas\u0131l \u00f6l\u00e7\u00fcl\u00fcr?<\/h2>\n<p>\u00d6l\u00e7medi\u011finiz \u015feyi kontrol edemezsiniz. Maliyet-do\u011fruluk ekseninde farkl\u0131 noktalarda yer alan \u00e7e\u015fitli y\u00f6ntemler mevcuttur:<\/p>\n<p><strong>D\u00fc\u015f\u00fck Bas\u0131n\u00e7 Testi (RPT):<\/strong>\u00a0En basit \u00fcretim sahas\u0131 y\u00f6ntemi. K\u00fc\u00e7\u00fck bir numuneyi \u00e7elik bir kaba d\u00f6k\u00fcn ve k\u0131smi vakum alt\u0131nda (50\u2013100 mbar) kat\u0131la\u015ft\u0131r\u0131n. G\u00f6zenekli numunelerde g\u00f6zle g\u00f6r\u00fcl\u00fcr kabarc\u0131klar ortaya \u00e7\u0131kar; temiz numuneler ise yo\u011fun ve p\u00fcr\u00fczs\u00fczd\u00fcr. Bu y\u00f6ntem nicel olmaktan ziyade nitel bir y\u00f6ntemdir, ancak deneyimli bir operat\u00f6r, kabul edilebilir eriyikleri reddedilecek d\u00fczeydeki eriyiklerden g\u00fcvenilir bir \u015fekilde ay\u0131rt edebilir. Ekipman maliyeti: $2.000'den az.<\/p>\n<p><strong>ALSCAN \/ Telegas (geri d\u00f6n\u00fc\u015f\u00fcml\u00fc gaz dengesi):<\/strong>\u00a0K\u0131smi bas\u0131n\u00e7 dengesi sa\u011flanana kadar bir ta\u015f\u0131y\u0131c\u0131 gaz\u0131 eriyik i\u00e7inden dola\u015ft\u0131rarak hidrojeni nicel olarak \u00f6l\u00e7er ve ard\u0131ndan gaz\u0131 termal iletkenlik y\u00f6ntemiyle analiz eder. Hassasiyet: \u00b10,01 mL\/100 g. \u00dcnitelerin maliyeti $20.000\u201340.000 olup, otomotiv ve havac\u0131l\u0131k d\u00f6k\u00fcmhanelerinde standart olarak kullan\u0131lmaktad\u0131r.<\/p>\n<p><strong>Kat\u0131 hal elektrokimyasal sens\u00f6rler (Hyscan III ve benzerleri):<\/strong>\u00a03\u20135 dakika i\u00e7inde \u00f6l\u00e7\u00fcm sonu\u00e7lar\u0131n\u0131 verir. ALSCAN\u2019dan daha h\u0131zl\u0131d\u0131r, ancak 0,08 mL\/100 g\u2019nin alt\u0131ndaki \u00e7ok d\u00fc\u015f\u00fck konsantrasyon aral\u0131klar\u0131nda biraz daha az hassast\u0131r.<\/p>\n<p>\u00c7o\u011fu i\u015flem i\u00e7in bir RPT \u00fcnitesi, gerekli asgari donan\u0131md\u0131r. M\u00fc\u015fteri \u015fartnameleri 0,15 mL\/100 g\u2019nin alt\u0131ndaki hidrojen de\u011ferlerinin belgelenmesini gerektiriyorsa \u2014 ki bu durum giderek daha yayg\u0131n hale gelmektedir \u2014 ALSCAN tipi bir cihaza yat\u0131r\u0131m yap\u0131n.<\/p>\n<h2>Rotor Tasar\u0131m\u0131 Gaz Giderme Performans\u0131n\u0131 Nas\u0131l Etkiler?<\/h2>\n<p>Gaz giderme rotoru bir sarf malzemesidir ve tasar\u0131m\u0131, kabarc\u0131k boyutunu, da\u011f\u0131l\u0131m \u015feklini ve hidrojen giderim oran\u0131n\u0131 do\u011frudan etkiler. Grafit rotorlar, erimi\u015f al\u00fcminyumla kimyasal olarak uyumlu olmalar\u0131, karma\u015f\u0131k geometrilere kolayca i\u015flenebilmeleri ve makul fiyatl\u0131 olmalar\u0131 nedeniyle pazarda bask\u0131n konumdad\u0131r.<\/p>\n<p>Ancak t\u00fcm grafitler ayn\u0131 de\u011fildir. Y\u00fcksek yo\u011funluklu, ince taneli grafit (1,77+ g\/cm\u00b3 y\u0131\u011f\u0131n yo\u011funlu\u011fu), \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131nda t\u00fcrb\u00fclansl\u0131 eriyik ak\u0131\u015f\u0131ndan kaynaklanan a\u015f\u0131nmaya ve atmosferik maruziyetten kaynaklanan oksidasyona daha iyi direndi\u011fi i\u00e7in standart s\u0131n\u0131flara k\u0131yasla 2\u20133 kat daha uzun \u00f6m\u00fcrl\u00fcd\u00fcr.<\/p>\n<p><strong>Rotorun geometrisi de ayn\u0131 derecede \u00f6nemlidir.<\/strong>\u00a0Kademeli ak\u0131\u015f kanallar\u0131na sahip \u00e7ok kanatl\u0131 tasar\u0131mlar, basit \u00e7apraz \u015fekilli veya d\u00f6rt yuval\u0131 rotorlara k\u0131yasla daha ince ve daha homojen bir \u015fekilde da\u011f\u0131lm\u0131\u015f kabarc\u0131klar \u00fcretir. Temel bir rotor ile optimize edilmi\u015f \u00e7ok kanall\u0131 bir tasar\u0131m aras\u0131ndaki verimlilik fark\u0131 15\u201320%'ye ula\u015fabilir; bu da gaz giderme d\u00f6ng\u00fcs\u00fcn\u00fc 12 dakikadan 9 dakikaya indirgemek anlam\u0131na gelir. Ayda y\u00fczlerce \u0131s\u0131tma i\u015flemi s\u00f6z konusu oldu\u011funda, bu zaman tasarrufu olduk\u00e7a \u00f6nemlidir.<\/p>\n<p>Gaz giderme ekipmanlar\u0131n\u0131 ve sarf malzemelerini de\u011ferlendirirken, sadece rotor boyutlar\u0131n\u0131 de\u011fil, kabarc\u0131k boyutu da\u011f\u0131l\u0131m\u0131 verilerini yay\u0131nlayan tedarik\u00e7ileri tercih edin. Ger\u00e7ek hayattaki performans\u0131 belirleyen unsur kabarc\u0131k boyutudur.<\/p>\n<h2>Toplu Kova Gaz Giderme ve Hat \u0130\u00e7i Gaz Giderme: \u0130\u015fletmenize Hangisi Uygun?<\/h2>\n<p>Al\u00fcminyum d\u00f6k\u00fcm uygulamalar\u0131nda iki \u00fcretim modeli \u00f6ne \u00e7\u0131kmaktad\u0131r:<\/p>\n<p><strong>Kep\u00e7e (parti) gaz giderme<\/strong>\u00a0d\u00f6k\u00fcmden \u00f6nce her kep\u00e7eyi veya potay\u0131 ayr\u0131 ayr\u0131 i\u015fler. Esnek bir sistemdir \u2014 ard\u0131\u015f\u0131k d\u00f6k\u00fcmlerde farkl\u0131 ala\u015f\u0131mlar i\u00e7in parametreleri ayarlayabilirsiniz \u2014 ancak her d\u00f6ng\u00fcde operat\u00f6r\u00fcn disiplinli davranmas\u0131n\u0131 gerektirir ve bu disiplin bozuldu\u011funda de\u011fi\u015fkenlik ortaya \u00e7\u0131kar.<\/p>\n<p><strong>Hat i\u00e7i (s\u00fcrekli) gaz giderme<\/strong>\u00a0i\u015flem \u00fcnitesini f\u0131r\u0131n ile d\u00f6k\u00fcm istasyonu aras\u0131ndaki aktar\u0131m olu\u011funa yerle\u015ftirir ve metal akarken i\u015fleme tabi tutar. Bu, y\u00fcksek hacimli i\u015flemler i\u00e7in standart bir uygulamad\u0131r: DC d\u00f6k\u00fcm, s\u00fcrekli \u015ferit d\u00f6k\u00fcm ve 24 saat kesintisiz \u00e7al\u0131\u015fan b\u00fcy\u00fck bas\u0131n\u00e7l\u0131 d\u00f6k\u00fcm h\u00fccreleri.<\/p>\n<p>Hat i\u00e7i sistemler, denklemi insan fakt\u00f6r\u00fcnden ar\u0131nd\u0131rd\u0131klar\u0131 i\u00e7in temelde daha tutarl\u0131 sonu\u00e7lar verir. Ayr\u0131ca, tek bir i\u015fleme hatt\u0131nda seramik k\u00f6p\u00fck filtreler ve tane inceltici katk\u0131 maddeleriyle entegrasyona olanak tan\u0131r.<\/p>\n<p>Maliyet fark\u0131 olduk\u00e7a b\u00fcy\u00fckt\u00fcr. Ta\u015f\u0131nabilir bir kep\u00e7e gaz giderme \u00fcnitesinin fiyat\u0131 $8.000\u201325.000 aras\u0131ndad\u0131r. Refrakter kapl\u0131 hazneye, otomatik gaz kontrol\u00fcne ve entegre filtreleme \u00f6zelli\u011fine sahip bir hat i\u00e7i gaz giderme sisteminin fiyat\u0131 yakla\u015f\u0131k $50.000'den ba\u015flar ve y\u00fcksek verimli konfig\u00fcrasyonlarda $150.000'i a\u015fabilir.<\/p>\n<p><strong>Genel kural:<\/strong>\u00a0Vardiya ba\u015f\u0131na 2.000 kg\u2019\u0131n alt\u0131nda oldu\u011funda, kep\u00e7e gaz giderimi genellikle ekonomik a\u00e7\u0131dan mant\u0131kl\u0131d\u0131r. Bu e\u015fi\u011fin \u00fczerinde ise, hat i\u00e7i sistemler, daha az hurda, azalan i\u015fg\u00fcc\u00fc maliyetleri ve daha s\u0131k\u0131 proses kontrol\u00fc sayesinde kendilerini amorti ederler.<\/p>\n<h2>Gaz giderme i\u015fleminden \u00f6nce hidrojen al\u0131m\u0131n\u0131 nas\u0131l azaltabilirsiniz?<\/h2>\n<p>Hidrojen emilimini \u00f6n a\u015famada en aza indirdi\u011finizde gaz giderme i\u015flemi daha etkili ve h\u0131zl\u0131 ger\u00e7ekle\u015fir. Bu ad\u0131mlar\u0131n maliyeti neredeyse s\u0131f\u0131rd\u0131r:<\/p>\n<ol>\n<li><strong>T\u00fcm aletleri ve kep\u00e7eleri \u00f6nceden \u0131s\u0131t\u0131n<\/strong>\u00a0eriyikle temas etmeden \u00f6nce en az 200 \u00b0C\u2019ye \u0131s\u0131t\u0131lmal\u0131d\u0131r. Nemli bir kep\u00e7e, saniyeler i\u00e7inde 100 g ba\u015f\u0131na 0,05\u20130,10 mL hidrojen ekleyebilir.<\/li>\n<li><strong>\u015earj malzemelerini kapal\u0131 bir alanda saklay\u0131n<\/strong>\u00a0ya\u011fmurdan ve yo\u011fu\u015fmadan uzak tutun. Hafif\u00e7e oksitlenmi\u015f hurda bile, oksit tabakas\u0131nda hidrojen seviyelerini belirgin \u015fekilde art\u0131racak kadar nem bar\u0131nd\u0131r\u0131r.<\/li>\n<li><strong>Ak\u0131 kaplar\u0131n\u0131 kapal\u0131 tutun.<\/strong>\u00a0Tropikal bir iklimde bir gece boyunca a\u00e7\u0131k b\u0131rak\u0131lan flux\u2019u test ettim; 12 saat i\u00e7inde a\u011f\u0131rl\u0131k\u00e7a 3% nem emdi.<\/li>\n<li><strong>F\u0131r\u0131n atmosferini kontrol edin.<\/strong>\u00a0Gaz yak\u0131tl\u0131 yank\u0131lama f\u0131r\u0131nlar\u0131nda, fazla yanma \u00fcr\u00fcnleri \u2014\u00f6zellikle su buhar\u0131\u2014 \u00f6nemli bir hidrojen kayna\u011f\u0131d\u0131r. Uygun hava-yak\u0131t oran\u0131n\u0131 koruyun ve d\u00fc\u015f\u00fck hidrojenli br\u00fcl\u00f6r teknolojisini de\u011ferlendirin.<\/li>\n<li><strong>Bekletme s\u00fcresini en aza indirin.<\/strong>\u00a0Al\u00fcminyum ne kadar uzun s\u00fcre erimi\u015f halde kal\u0131rsa, o kadar fazla hidrojen emer. M\u00fcmk\u00fcn oldu\u011funca d\u00f6k\u00fcme yak\u0131n bir zamanda gaz giderme i\u015flemini ger\u00e7ekle\u015ftirin.<\/li>\n<\/ol>\n<p>Bu \u00f6n i\u015flem kontrolleri, gaz giderme i\u015fleminin yerini almayacakt\u0131r; ancak gerekli ar\u0131tma s\u00fcresini \u201340% oran\u0131nda azaltabilir, bu da rotorun \u00f6mr\u00fcn\u00fc uzat\u0131r ve \u00fcretim kapasitesini art\u0131r\u0131r.<\/p>\n<figure id=\"attachment_86053\" aria-describedby=\"caption-attachment-86053\" style=\"width: 1408px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-86053\" src=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/1111_b7FzRDH3.webp\" alt=\"Gaz Giderme \u0130\u015fleminden \u00d6nce Hidrojen Al\u0131m\u0131n\u0131 Nas\u0131l Azaltabiliriz?\" width=\"1408\" height=\"768\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/1111_b7FzRDH3.webp 1408w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/1111_b7FzRDH3-300x164.webp 300w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/1111_b7FzRDH3-768x419.webp 768w\" sizes=\"auto, (max-width: 1408px) 100vw, 1408px\" \/><figcaption id=\"caption-attachment-86053\" class=\"wp-caption-text\"><em>Gaz Giderme \u0130\u015fleminden \u00d6nce Hidrojen Al\u0131m\u0131n\u0131 Nas\u0131l Azaltabiliriz?<\/em><\/figcaption><\/figure>\n<h2>Gaz Giderme \u0130\u015fleminin Filtreleme ve Tanecik \u0130nceltme ile Birle\u015ftirilmesi<\/h2>\n<p>Gaz giderme i\u015flemi hidrojen sorununu \u00e7\u00f6zer, ancak oksit kal\u0131nt\u0131lar\u0131 veya tane yap\u0131s\u0131 sorunlar\u0131n\u0131 ortadan kald\u0131rmaz. En etkili y\u00f6ntem\u00a0<a class=\"text-interactive-link\" href=\"https:\/\/www.alalloycasting.com\/tr\/products\/\" target=\"_blank\" rel=\"noopener noreferrer\">erime i\u015fleme stratejisi<\/a>\u00a0\u00fc\u00e7 i\u015flemi s\u0131rayla birle\u015ftirir:<\/p>\n<ol>\n<li><strong>Gaz Giderme<\/strong>\u00a0(argonlu d\u00f6ner pervaneli) \u2013 \u00e7\u00f6z\u00fcnm\u00fc\u015f hidrojeni giderir<\/li>\n<li><strong>Filtreleme<\/strong>\u00a0(seramik k\u00f6p\u00fck filtreler, 20\u201350 ppi) \u2013 oksit tabakalar\u0131n\u0131 ve metalik olmayan kal\u0131nt\u0131lar\u0131 tutar<\/li>\n<li><strong>Tah\u0131l inceltme<\/strong>\u00a0(Al-5Ti-1B ana ala\u015f\u0131m\u0131) \u2013 geli\u015fmi\u015f mekanik \u00f6zellikler i\u00e7in ince, e\u015feksenli tane yap\u0131s\u0131 olu\u015fturur<\/li>\n<\/ol>\n<p>S\u0131ral\u0131 d\u00fczenlemelerde metal \u00f6nce gaz giderme odas\u0131ndan, ard\u0131ndan bir filtre kutusundan ge\u00e7er. Tanecik inceltici, gaz gidericinin ak\u0131\u015f y\u00f6n\u00fcnde bir tel besleyici arac\u0131l\u0131\u011f\u0131yla eklenir. Bu s\u0131ra \u00f6nemlidir; gaz giderme i\u015flemi, oksit filmlerini daha k\u00fc\u00e7\u00fck par\u00e7ac\u0131klara ay\u0131rabilen t\u00fcrb\u00fclans yarat\u0131r ve bu par\u00e7ac\u0131klar daha sonra ak\u0131\u015f y\u00f6n\u00fcndeki filtre taraf\u0131ndan tutulur.<\/p>\n<p>Baz\u0131 d\u00f6k\u00fcmhaneler, kabarc\u0131klar\u0131n tanecik incelticinin yay\u0131lmas\u0131na yard\u0131mc\u0131 oldu\u011fu gerek\u00e7esiyle, gaz giderme \u00fcnitesinin \u00f6ncesine tanecik inceltici ekler. Bu y\u00f6ntem, parti bazl\u0131 kova i\u015flemlerinde kabul edilebilir d\u00fczeyde i\u015fe yarar; ancak hat i\u00e7i sistemlerde, eriyik daha sakin oldu\u011fundan ve ana ala\u015f\u0131m daha homojen bir \u015fekilde \u00e7\u00f6z\u00fcnd\u00fc\u011f\u00fcnden, gaz giderme odas\u0131n\u0131n arkas\u0131na tanecik inceltici eklemek daha \u00f6ng\u00f6r\u00fclebilir sonu\u00e7lar verir.<\/p>\n<h2>Al\u00fcminyum gaz giderme i\u015fleminde hangi end\u00fcstri standartlar\u0131 ge\u00e7erlidir?<\/h2>\n<p>Kabul edilebilir hidrojen seviyelerini, test protokollerini ve g\u00f6zeneklilik kabul kriterlerini belirleyen \u00e7e\u015fitli teknik \u015fartnameler ve standartlar bulunmaktad\u0131r:<\/p>\n<ul>\n<li><strong>ASTM B108\/B108M<\/strong>\u00a0\u2013 Al\u00fcminyum ala\u015f\u0131ml\u0131 kal\u0131c\u0131 kal\u0131p d\u00f6k\u00fcmleri (g\u00f6zeneklilik s\u0131n\u0131rlar\u0131 dahil)<\/li>\n<li><strong>ASTM E155<\/strong>\u00a0\u2013 Al\u00fcminyum d\u00f6k\u00fcm muayenesi i\u00e7in referans r\u00f6ntgen filmleri (g\u00f6zeneklilik \u015fiddet derecesi s\u0131n\u0131fland\u0131rmas\u0131)<\/li>\n<li><strong>AMS 2771<\/strong>\u00a0\u2013 Havac\u0131l\u0131k ve uzay sekt\u00f6r\u00fcnde kullan\u0131m i\u00e7in izin verilen maksimum g\u00f6zeneklilik de\u011ferinin belirtildi\u011fi al\u00fcminyum ala\u015f\u0131ml\u0131 d\u00f6k\u00fcmlerin \u0131s\u0131l i\u015flemi<\/li>\n<li><strong>EN 1706:2020<\/strong>\u00a0\u2013 Gaz g\u00f6zeneklili\u011fi s\u0131n\u0131fland\u0131rmalar\u0131n\u0131 da i\u00e7eren al\u00fcminyum d\u00f6k\u00fcm ala\u015f\u0131mlar\u0131na ili\u015fkin Avrupa standard\u0131<\/li>\n<\/ul>\n<p>Toyota, BMW ve Tesla gibi otomotiv OEM\u2019leri, genellikle yap\u0131sal d\u00f6k\u00fcmler i\u00e7in 0,12 mL\/100 g\u2019\u0131n alt\u0131nda bir hidrojen i\u00e7eri\u011fi \u015fart ko\u015fmaktad\u0131r. Havac\u0131l\u0131k ve uzay sekt\u00f6r\u00fcndeki ana y\u00fckleniciler (Boeing ve Airbus tedarik zincirleri) ise \u00e7o\u011fu zaman 0,08 mL\/100 g\u2019\u0131n alt\u0131nda bir de\u011fer talep etmekte ve her bir \u00fcretim partisi i\u00e7in zorunlu nicel belgeleme istemektedir.<\/p>\n<p>G\u00fcvenlik a\u00e7\u0131s\u0131ndan kritik par\u00e7alar d\u00f6k\u00fcyorsan\u0131z, m\u00fc\u015fterinizin sat\u0131n alma sipari\u015finde tam olarak neye ihtiya\u00e7 duyuldu\u011fu ayr\u0131nt\u0131l\u0131 olarak belirtilecektir. Gaz giderme i\u015fleminizi, bu de\u011ferlere tutarl\u0131 bir \u015fekilde ve g\u00fcvenlik marj\u0131 b\u0131rakarak ula\u015facak \u015fekilde tasarlay\u0131n.<\/p>\n<h2>Sorun Giderme: Al\u00fcminyum Gaz Giderme Y\u00f6ntemleri \u0130stenen Sonu\u00e7lar\u0131 Vermedi\u011finde<\/h2>\n<p>Uygun bir gaz giderme d\u00f6ng\u00fcs\u00fc uygulaman\u0131za ra\u011fmen d\u00f6k\u00fcmlerde hala g\u00f6zeneklilik g\u00f6zlemliyorsan\u0131z, \u015fu yayg\u0131n nedenleri ara\u015ft\u0131r\u0131n:<\/p>\n<ul>\n<li><strong>Rotor a\u015f\u0131nmas\u0131:<\/strong>\u00a0A\u015f\u0131nm\u0131\u015f bir rotor, daha b\u00fcy\u00fck ve daha az etkili kabarc\u0131klar olu\u015fturur. Kanat kenarlar\u0131nda g\u00f6zle g\u00f6r\u00fcl\u00fcr a\u015f\u0131nma belirtileri ortaya \u00e7\u0131kt\u0131\u011f\u0131nda grafit rotorlar\u0131 de\u011fi\u015ftirin; \u0131s\u0131tma i\u015flemi s\u0131ras\u0131nda ciddi bir k\u0131r\u0131lma ya\u015fanmas\u0131n\u0131 beklemeyin.<\/li>\n<li><strong>Gaz kayna\u011f\u0131nda kirlenme:<\/strong>\u00a0End\u00fcstriyel s\u0131n\u0131f argon (99,995%) yeterlidir. Ancak besleme hatt\u0131n\u0131zda en ufak bir s\u0131z\u0131nt\u0131 bile varsa, nemli ortam havas\u0131n\u0131 i\u00e7eri \u00e7ekmi\u015f olursunuz. T\u00fcm ba\u011flant\u0131lar\u0131 ve ba\u011flant\u0131 par\u00e7alar\u0131n\u0131 kontrol edin.<\/li>\n<li><strong>Tedavi s\u00fcresinin yetersizli\u011fi:<\/strong>\u00a0Standart bir d\u00f6ng\u00fcden sonra RPT numunenizde h\u00e2l\u00e2 kabarc\u0131klar g\u00f6r\u00fcl\u00fcyorsa, gaz ak\u0131\u015f h\u0131z\u0131n\u0131 art\u0131rmak yerine i\u015flem s\u00fcresini 3\u20135 dakika uzat\u0131n.<\/li>\n<li><strong>C\u00fcruf tabakas\u0131 paraziti:<\/strong>\u00a0Kal\u0131n, kabuklu bir c\u00fcruf tabakas\u0131 y\u00fckselen kabarc\u0131klar\u0131 hapseder ve hidrojeni tekrar eriyik i\u00e7ine yans\u0131t\u0131r. Gaz giderme d\u00f6ng\u00fcs\u00fcne ba\u015flamadan \u00f6nce c\u00fcrufu s\u0131y\u0131r\u0131n; c\u00fcruf yeniden birikirse d\u00f6ng\u00fcn\u00fcn ortas\u0131nda da ayn\u0131 i\u015flemi tekrarlay\u0131n.<\/li>\n<li><strong>A\u015f\u0131r\u0131 erime s\u0131cakl\u0131\u011f\u0131:<\/strong>\u00a0760 \u00b0C\u2019de yap\u0131lan gaz giderme i\u015flemi, 720 \u00b0C\u2019de yap\u0131lan i\u015flemden belirgin \u015fekilde daha az verimlidir. Her 10 \u00b0C\u2019lik bir d\u00fc\u015f\u00fc\u015f, hidrojen ekstraksiyonunu \u00f6l\u00e7\u00fclebilir d\u00fczeyde iyile\u015ftirir.<\/li>\n<\/ul>\n<p>En \u00e7ok g\u00f6z ard\u0131 edilen geli\u015fme hangisi?\u00a0<strong>Operat\u00f6r e\u011fitimi.<\/strong>\u00a0Herhangi bir ekipman\u0131 de\u011fi\u015ftirmeden \u00f6nce, personele aletlerin do\u011fru \u015fekilde \u00f6n \u0131s\u0131t\u0131lmas\u0131, c\u00fcruf y\u00f6netimi ve \u00fcretim d\u00f6ng\u00fcs\u00fc disiplinine ili\u015fkin e\u011fitim vermek suretiyle bir tesiste hidrojen seviyelerinin 40% kadar d\u00fc\u015ft\u00fc\u011f\u00fcn\u00fc g\u00f6rd\u00fcm. \u0130nsanlar her zaman en etkili de\u011fi\u015fkendir.<\/p>\n<figure id=\"attachment_86054\" aria-describedby=\"caption-attachment-86054\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-86054\" src=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/4236_c62nGCRi.webp\" alt=\"al\u00fcminyum gaz gideriminde ya\u015fanan sorunlar\" width=\"1024\" height=\"1024\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/4236_c62nGCRi.webp 1024w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/4236_c62nGCRi-300x300.webp 300w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/4236_c62nGCRi-150x150.webp 150w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/4236_c62nGCRi-768x768.webp 768w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/09\/4236_c62nGCRi-120x120.webp 120w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-86054\" class=\"wp-caption-text\"><em>al\u00fcminyum gaz gideriminde ya\u015fanan sorunlar<\/em><\/figcaption><\/figure>\n<h2>\u00d6zel \u0130htiya\u00e7lar\u0131n\u0131za Uygun Do\u011fru Al\u00fcminyum Gaz Giderme Y\u00f6ntemini Se\u00e7me<\/h2>\n<p>Evrensel olarak en iyi gaz giderme y\u00f6ntemi diye bir \u015fey yoktur; sadece ala\u015f\u0131m kar\u0131\u015f\u0131m\u0131n\u0131za, \u00fcretim hacminize, kalite hedeflerinize ve b\u00fct\u00e7enize en uygun y\u00f6ntem vard\u0131r. 10 kg\u2019l\u0131k partiler halinde eritim yapan k\u00fc\u00e7\u00fck bir sanat d\u00f6k\u00fcmhanesinin gereksinimleri, vardiya ba\u015f\u0131na 20 ton i\u015fleyen bir jant \u00fcreticisinin gereksinimlerinden tamamen farkl\u0131d\u0131r.<\/p>\n<p>Ticari, otomotiv ve end\u00fcstriyel bile\u015fenler \u00fcreten al\u00fcminyum d\u00f6k\u00fcmhaneleri ve kal\u0131p d\u00f6k\u00fcmc\u00fclerinin b\u00fcy\u00fck \u00e7o\u011funlu\u011fu i\u00e7in,\u00a0<strong>argon ile d\u00f6ner pervaneli gaz giderme<\/strong>\u00a0hidrojen giderme verimlili\u011fi, proses tekrarlanabilirli\u011fi ve i\u015fletme maliyetleri aras\u0131nda en iyi dengeyi sunar. Bunu, her \u0131s\u0131 d\u00f6ng\u00fcs\u00fcnde bir d\u00fc\u015f\u00fck bas\u0131n\u00e7 testi ile birle\u015ftirin, rotor de\u011fi\u015ftirme programlar\u0131na uyun ve hidrojen kaynaklar\u0131n\u0131 prosesin ba\u015flang\u0131c\u0131nda kontrol edin.<\/p>\n<p>Daha y\u00fcksek hacimler s\u00f6z konusu oldu\u011funda, entegre gaz giderme, \u0131s\u0131tma ve seramik k\u00f6p\u00fck filtreleme \u00f6zelliklerine sahip bir hat i\u00e7i sistem, d\u00f6k\u00fcm kalitesinde ve partiden partiye tutarl\u0131l\u0131kta, partisel i\u015flemenin asla ula\u015famayaca\u011f\u0131 d\u00fczeyde \u00f6nemli bir iyile\u015fme sa\u011flar.<\/p>\n<p>Al\u00fcminyumun gazdan ar\u0131nd\u0131r\u0131lmas\u0131n\u0131n temel ilkeleri de\u011fi\u015fmemi\u015ftir: hidrojeni gidermek, kal\u0131nt\u0131lar\u0131 \u00f6nlemek ve temiz metali iyi tasarlanm\u0131\u015f bir kal\u0131ba d\u00f6kmek. Bu \u00fc\u00e7 unsuru iyi bir \u015fekilde uygulad\u0131\u011f\u0131n\u0131zda, kalite sorunlar\u0131n\u0131z\u0131n b\u00fcy\u00fck bir k\u0131sm\u0131 ortadan kalkacakt\u0131r.<\/p>\n<h2>S\u0131k Sorulan Sorular<\/h2>\n<details>\n<summary>1. <strong>Al\u00fcminyum gaz giderme nedir?<\/strong><\/summary>\n<p>Al\u00fcminyum gaz giderimi, d\u00f6k\u00fcmlerde gaz g\u00f6zeneklili\u011fini \u00f6nlemek amac\u0131yla inert gazla temizleme, vakum i\u015flemi veya kimyasal ak\u0131 kullan\u0131larak erimi\u015f al\u00fcminyumdan \u00e7\u00f6z\u00fcnm\u00fc\u015f hidrojenin uzakla\u015ft\u0131r\u0131lmas\u0131 i\u015flemidir.<\/p>\n<\/details>\n<details>\n<summary>2. <strong>Al\u00fcminyum d\u00f6k\u00fcm\u00fcnde gaz giderme neden gereklidir?<\/strong><\/summary>\n<p>Kat\u0131la\u015fma s\u0131ras\u0131nda hidrojen \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc 17 kat azal\u0131r. Gaz giderme i\u015flemi yap\u0131lmazsa, hapsolmu\u015f hidrojen g\u00f6zenekler olu\u015fturur; bu g\u00f6zenekler mukavemeti 10\u201325% oran\u0131nda d\u00fc\u015f\u00fcr\u00fcr ve bitmi\u015f par\u00e7alarda bas\u0131n\u00e7 s\u0131z\u0131nt\u0131lar\u0131na neden olur.<\/p>\n<\/details>\n<details>\n<summary>3. <strong>Al\u00fcminyumun gazdan ar\u0131nd\u0131r\u0131lmas\u0131 i\u00e7in en uygun gaz hangisidir?<\/strong><\/summary>\n<p>Argon, erimi\u015f al\u00fcminyumda tamamen inert oldu\u011fu i\u00e7in gaz giderme i\u015fleminde tercih edilen gazd\u0131r. Azot daha ucuzdur ancak 740\u00b0C\u2019nin \u00fczerindeki s\u0131cakl\u0131klarda magnezyum i\u00e7eren ala\u015f\u0131mlarda al\u00fcminyum nitr\u00fcr kal\u0131nt\u0131lar\u0131 olu\u015fturabilir.<\/p>\n<\/details>\n<details>\n<summary>4. <strong>D\u00f6ner gaz giderme i\u015flemi ne kadar s\u00fcrer?<\/strong><\/summary>\n<p>Tipik bir d\u00f6ner pervaneli gaz giderme d\u00f6ng\u00fcs\u00fc, ba\u015flang\u0131\u00e7taki hidrojen konsantrasyonuna ve hedeflenen kalite seviyesine ba\u011fl\u0131 olarak, 200\u2013800 kg'l\u0131k bir eriyik i\u00e7in 8\u201315 dakika s\u00fcrer.<\/p>\n<\/details>\n<details>\n<summary>5. <strong>Erimi\u015f al\u00fcminyumda kabul edilebilir hidrojen seviyesi nedir?<\/strong><\/summary>\n<p>\u00c7o\u011fu d\u00f6k\u00fcmhane, ticari d\u00f6k\u00fcmler i\u00e7in 0,15 mL\/100 g Al\u2019nin alt\u0131nda bir de\u011fer hedeflemektedir. Otomotiv sekt\u00f6r\u00fcndeki yap\u0131sal par\u00e7alar i\u00e7in 0,12 mL\/100 g\u2019nin alt\u0131nda bir de\u011fer gereklidir ve havac\u0131l\u0131k ve uzay sekt\u00f6r\u00fcndeki teknik \u015fartnameler genellikle 0,08 mL\/100 g\u2019nin alt\u0131nda bir de\u011fer talep etmektedir.<\/p>\n<\/details>\n<details>\n<summary>6. <strong>S\u0131ral\u0131 gaz giderme ile kep\u00e7eyle gaz giderme aras\u0131ndaki fark nedir?<\/strong><\/summary>\n<p>Kep\u00e7eyle gaz giderme i\u015flemi, d\u00f6k\u00fcmden \u00f6nce her bir partiyi ayr\u0131 ayr\u0131 i\u015fler. Hat i\u00e7i gaz giderme i\u015flemi ise metalin f\u0131r\u0131ndan d\u00f6k\u00fcm istasyonuna akarken s\u00fcrekli olarak i\u015flenmesini sa\u011flar ve y\u00fcksek hacimli \u00fcretimlerde daha tutarl\u0131 sonu\u00e7lar verir.<\/p>\n<\/details>\n<details>\n<summary>7. <strong>Ekipman kullanmadan al\u00fcminyumdaki gaz\u0131 giderebilir misiniz?<\/strong><\/summary>\n<p>Heksakloroetan tabletleri, k\u00fc\u00e7\u00fck eritimler i\u00e7in d\u00fc\u015f\u00fck maliyetli bir gaz giderme se\u00e7ene\u011fi sunar; ancak toksik klor dumanlar\u0131 \u00fcretir ve d\u00fcnya \u00e7ap\u0131nda giderek artan yasal k\u0131s\u0131tlamalarla kar\u015f\u0131 kar\u015f\u0131yad\u0131r.<\/p>\n<\/details>\n<details>\n<summary>8. <strong>Al\u00fcminyumun gazdan ar\u0131nd\u0131r\u0131lmas\u0131 i\u00e7in en uygun s\u0131cakl\u0131k nedir?<\/strong><\/summary>\n<p>700\u2013730 \u00b0C aral\u0131\u011f\u0131nda ger\u00e7ekle\u015ftirilen gaz giderme i\u015flemi, \u00e7o\u011fu Al-Si d\u00f6k\u00fcm ala\u015f\u0131m\u0131 i\u00e7in en uygunudur. Daha d\u00fc\u015f\u00fck s\u0131cakl\u0131klar hidrojen giderimini iyile\u015ftirir, ancak d\u00f6k\u00fcm i\u00e7in yeterli a\u015f\u0131r\u0131 \u0131s\u0131nmaya imk\u00e2n sa\u011flamal\u0131d\u0131r.<\/p>\n<\/details>\n<details>\n<summary>9. <strong>Erimi\u015f al\u00fcminyumdaki hidrojen i\u00e7eri\u011fi nas\u0131l \u00f6l\u00e7\u00fcl\u00fcr?<\/strong><\/summary>\n<p>D\u00fc\u015f\u00fck bas\u0131n\u00e7 testi (RPT), \u00fcretim sahas\u0131nda uygulanan en basit y\u00f6ntemdir. Nicel \u00f6l\u00e7\u00fcm i\u00e7in ALSCAN veya Telegas cihazlar\u0131, \u00b10,01 mL\/100 g hassasiyet sunar.<\/p>\n<\/details>\n<details>\n<summary>10. <strong>Gaz giderme i\u015fleminin ba\u015far\u0131s\u0131z olmas\u0131n\u0131n nedenleri nelerdir?<\/strong><\/summary>\n<p>S\u0131k g\u00f6r\u00fclen nedenler aras\u0131nda, a\u015f\u0131r\u0131 b\u00fcy\u00fck kabarc\u0131klar olu\u015fturan a\u015f\u0131nm\u0131\u015f rotorlar, kirlenmi\u015f gaz besleme hatlar\u0131, a\u015f\u0131r\u0131 eriyik s\u0131cakl\u0131\u011f\u0131, kabarc\u0131klar\u0131 hapseden kal\u0131n c\u00fcruf tabakalar\u0131 ve yetersiz i\u015fleme s\u00fcresi say\u0131labilir.<\/p>\n<\/details>","protected":false},"excerpt":{"rendered":"<p>Aluminum Degassing Methods Aluminum degassing removes dissolved hydrogen from molten aluminum before casting to prevent gas porosity. The most effective and widely adopted technique is&hellip;<\/p>","protected":false},"author":1,"featured_media":44943,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233,18],"tags":[397,4293,154,4291,4292,4302,4303,1754,1980],"class_list":["post-4684","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-degassing-unit","tag-aluminium-degassing-process","tag-aluminum-degassing-equipment","tag-aluminum-degassing-process","tag-aluminum-degassing-system","tag-aluminum-degassing-units","tag-degassing-molten-aluminum","tag-degassing-of-aluminium-alloys","tag-degassing-process-in-aluminium","tag-rotary-degassing-aluminum"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Aluminum Degassing Methods | Online Degassing System<\/title>\n<meta name=\"description\" content=\"Aluminum degassing removes dissolved hydrogen from molten aluminum before casting to prevent gas porosity. 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