filtro de lecho profundo<\/a>. Normalmente, esto consiste en filtrar el aluminio fundido a trav\u00e9s de un lecho de medios cer\u00e1micos de distintos tama\u00f1os. Aunque suelen ser muy eficaces (por lo general, 85% o m\u00e1s), su funcionamiento puede resultar costoso. Esto se debe al espacio necesario y a la vida \u00fatil limitada de los medios filtrantes. Por lo general, es necesario sustituirlos y desecharlos peri\u00f3dicamente.<\/p>\nIndependientemente del tipo de filtro que se utilice, hay que asegurarse de que este no se vea afectado por vibraciones excesivas o cambios en el nivel del metal. Estas \u201cperturbaciones\u201d provocar\u00e1n la liberaci\u00f3n de inclusiones, lo que, a la larga, podr\u00eda dar lugar a la presencia de inclusiones en el producto acabado. Es especialmente importante llevar a cabo un buen control del proceso aguas abajo del equipo de filtraci\u00f3n final. Si es necesario realizar reparaciones, estas deben incluir preparativos de limpieza minuciosos y una atenci\u00f3n especial. Adem\u00e1s, los operarios de la fundici\u00f3n deben procurar minimizar las turbulencias en determinadas zonas, como las que se producen alrededor de las bolsas de distribuci\u00f3n de metal.<\/p>\n
Incluso con la mejor tecnolog\u00eda de filtrado disponible, una entrada de metal muy sucia te desbordar\u00e1. Por lo tanto, nunca se insistir\u00e1 lo suficiente en la importancia de una correcta manipulaci\u00f3n de los metales antes del filtrado. Cuanto m\u00e1s limpio est\u00e9 el metal que entra en el filtro, m\u00e1s fino podr\u00e1 ser el filtro utilizado, lo que dar\u00e1 como resultado un metal \u201ca\u00fan m\u00e1s limpio\u201d al salir del filtro.<\/p>\n
Los tres par\u00e1metros clave de los medios filtrantes de espuma cer\u00e1mica para fundiciones son:<\/strong><\/p>\nSuperficie del filtro: cuanto mayor sea la superficie, mayor ser\u00e1 el flujo potencial de metal. Sin embargo, debido al riesgo de que se produzcan da\u00f1os, las baldosas de gran tama\u00f1o pueden resultar dif\u00edciles de manejar.
\nTama\u00f1o de los poros: Cuanto menor sea el tama\u00f1o de los poros, mayor ser\u00e1 la eficacia del filtro. Sin embargo, es m\u00e1s probable que esto disuada a los actores a medio plazo.
\nEspesor: Cuanto m\u00e1s grueso sea el filtro, mayor ser\u00e1 la eficacia de filtraci\u00f3n. Sin embargo, puede resultar m\u00e1s dif\u00edcil ponerlo en marcha al principio.<\/p>","protected":false},"excerpt":{"rendered":"
Foundries Ceramic Foam Filters have simple operation and good short-term results.\u00a0They are usually the most used filtration equipment in many foundries. For some extremely critical…<\/p>","protected":false},"author":1,"featured_media":8960,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[],"class_list":["post-8952","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-foundry-ceramic-filters"],"yoast_head":"\n
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