{"id":5168,"date":"2020-09-25T09:27:12","date_gmt":"2020-09-25T09:27:12","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=5168"},"modified":"2020-09-25T09:27:12","modified_gmt":"2020-09-25T09:27:12","slug":"pretreatment-of-scrap-aluminum","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/ar\/pretreatment-of-scrap-aluminum\/","title":{"rendered":"Pretreatment of Scrap Aluminum"},"content":{"rendered":"

Alu Ceramic Foam Filter\u00a0combines the pretreatment of scrap aluminum and re-casting, which not only shortens the process flow, but also avoids air pollution to the greatest extent, and greatly improves the recovery rate of net metal.
\nThe device has a \u0645\u0631\u0634\u062d\u0627\u062a \u0627\u0644\u0631\u063a\u0648\u0629 \u0627\u0644\u062e\u0632\u0641\u064a\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0641\u064a \u0627\u0644\u0635\u0628<\/a> that allows gas particles to pass through. In the liquefied layer, aluminum precipitates at the bottom, and organic matter such as paint attached to the waste aluminum is decomposed into gas, tar and solid charcoal at 450 \u2103 or more.<\/p>\n

Pretreatment of Scrap Aluminum<\/p>\n

Then complete combustion through the oxidation device inside the separator. The waste is stirred by a rotating drum, mixed with the dissolved liquid in the bin, and impurities such as sand and gravel are separated into the sand and gravel separation zone, and the dissolved water carried out by the waste is returned to the liquefaction bin through the recovery propeller.<\/p>\n

According to the preparation and quality status of scrap aluminum materials, and in accordance with the technical requirements of recycled products, select and match and calculate the amount of various materials.
\nIngredients should consider the degree of metal oxidation burning loss. The oxidation burning loss of silicon and magnesium is larger than that of other alloying elements. The burning loss rate of various alloying elements should be determined in advance through experiments.
\nThe physical specifications and surface cleanliness of scrap aluminum will directly affect the quality of recycled products and the actual metal recovery rate.<\/p>\n

\"Pretreatment<\/p>\n

For waste aluminum that is not clean from oil removal, up to 20% of the effective ingredients will enter the slag. Recycled wrought aluminum alloys. Wrought aluminum alloys that can be produced from scrap aluminum alloys include 3003, 3105, 3004, 3005, 5050, etc., of which 3105 alloy is mainly produced.
\nIn order to ensure that the chemical composition of the alloy material meets the technical requirements and pressure processing process requirements, a part of primary aluminum ingots should be added when necessary.<\/p>\n

Only a small part of recycled cast aluminum alloy scrap aluminum is recycled into deformed aluminum alloy, and about 1\/4 is regenerated into deoxidizer for steelmaking, most of which are used for recycled cast aluminum alloy.
\nOnly a small part of scrap aluminum is recycled into wrought aluminum alloy. The die-cast aluminum alloy A380, ADC10, etc., which are widely used in the United States, Japan and other countries, are basically recycled from scrap aluminum.
\nThe main equipment for secondary aluminum generally uses a dedicated static furnace with oil or gas.<\/p>","protected":false},"excerpt":{"rendered":"

Alu Ceramic Foam Filter\u00a0combines the pretreatment of scrap aluminum and re-casting, which not only shortens the process flow, but also avoids air pollution to the…<\/p>","protected":false},"author":1,"featured_media":5169,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-5168","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nPretreatment of Scrap Aluminum by Alu Ceramic Foam Filter<\/title>\n<meta name=\"description\" content=\"Alu Ceramic Foam Filter\u00a0combines the pretreatment of scrap aluminum and re-casting, which not only shortens the process flow.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.alalloycasting.com\/ar\/pretreatment-of-scrap-aluminum\/\" \/>\n<meta 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