{"id":8794,"date":"2021-04-01T06:50:16","date_gmt":"2021-04-01T06:50:16","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=8794"},"modified":"2021-04-01T07:06:22","modified_gmt":"2021-04-01T07:06:22","slug":"porous-ceramic-filter-filtration","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/es\/porous-ceramic-filter-filtration\/","title":{"rendered":"Filtraci\u00f3n mediante filtro cer\u00e1mico poroso"},"content":{"rendered":"

Filtraci\u00f3n mediante filtro cer\u00e1mico poroso<\/strong> Es una cer\u00e1mica con una porosidad de entre 70% y 90%. Presenta una estructura reticular tridimensional. Se trata de un nuevo tipo de material poroso que sustituye a la estructura de poros interconectados del metal.<\/p>\n

El filtro de espuma cer\u00e1mica para aluminio separa las inclusiones presentes en la aleaci\u00f3n l\u00edquida de fundici\u00f3n mediante tres efectos f\u00edsicos y qu\u00edmicos que act\u00faan sobre el metal fundido, con el fin de lograr la purificaci\u00f3n de este.<\/p>\n

Efecto de la torta de filtraci\u00f3n<\/strong>
\nLa estructura compuesta de espuma y cer\u00e1mica es capaz de resistir eficazmente la escoria desde el punto de vista mec\u00e1nico.
\nCuando el metal fundido atraviesa el filtro de espuma cer\u00e1mica<\/a> Gracias a su estructura compleja, el medio filtrante separa mec\u00e1nicamente las inclusiones de mayor tama\u00f1o que el tama\u00f1o de los poros de la superficie del filtro, haciendo que se depositen en el extremo de entrada del metal filtrado.
\nA medida que aumenta el n\u00famero de inclusiones en la superficie del filtro, se va formando gradualmente una capa de \u201ctorta de filtraci\u00f3n\u201d, lo que reduce a\u00fan m\u00e1s la v\u00eda de flujo del metal fundido. Por lo tanto, la superficie del nuevo medio filtrante permite filtrar las inclusiones m\u00e1s finas.<\/p>\n

Efecto de superficie<\/strong>
\nCuando el metal fundido fluye a trav\u00e9s del cuerpo cer\u00e1mico de estructura compleja, se divide en numerosas corrientes peque\u00f1as, lo que aumenta la superficie de contacto y la probabilidad de que las inclusiones del metal fundido entren en contacto con el medio filtrante.
\nDado que la superficie del filtro es extremadamente peque\u00f1a y presenta zonas c\u00f3ncavas y convexas, el tama\u00f1o del bloque c\u00f3ncavo es de aproximadamente 1 a 10 \u00b5m, lo que permite la adsorci\u00f3n electrost\u00e1tica y la interceptaci\u00f3n por adhesi\u00f3n de las impurezas.<\/p>\n

Efecto de rectificaci\u00f3n<\/strong>
\nCuando el metal fundido fluye a trav\u00e9s del filtro de espuma cer\u00e1mica, se divide en numerosas corrientes unitarias de peque\u00f1o di\u00e1metro, lo que reduce el n\u00famero de Reynolds y hace que el flujo del l\u00edquido tienda a ser laminar.
\nCuando el metal fundido se encuentra en un estado de flujo laminar, dado que su densidad es mucho mayor que la de las inclusiones, estas tienen tiempo suficiente para flotar y ser eliminadas; es decir, el filtro de espuma cer\u00e1mica puede ayudar al canal de flujo a retener la escoria.<\/p>\n

Adopta la filtraci\u00f3n mediante filtros cer\u00e1micos porosos<\/strong>
\nEn funci\u00f3n del punto de fusi\u00f3n de la aleaci\u00f3n, elija un filtro fabricado con un material adecuado para evitar temperaturas excesivas, que podr\u00edan da\u00f1ar el funcionamiento del filtro e impedir que se consiga el efecto de filtrado.
\nElige el filtro adecuado; el grado de purificaci\u00f3n debe cumplir con los requisitos de vertido.
\nIntenta utilizar el l\u00edmite superior de la temperatura de fundici\u00f3n para aumentar la fluidez del metal.
\nCuando el filtro se coloca en posici\u00f3n horizontal debajo del molde o de la superficie de separaci\u00f3n, la altura de la pieza fundida no debe superar los 20 cm. Es recomendable verter el metal fundido sobre la pared del molde, y no directamente sobre el filtro.
\nEste filtro debe manipularse con cuidado. Cuando no se utilice, gu\u00e1rdelo en un lugar seco y ventilado para evitar que la absorci\u00f3n de humedad afecte a su resistencia.<\/p>\n

\"Filtraci\u00f3n<\/p>","protected":false},"excerpt":{"rendered":"

Porous Ceramic Filter Filtration is a ceramic with a porosity as high as 70% ~ 90%. It has a three-dimensional network structure. It is a new type of porous material that replaces the connected pore structure of metal. The ceramic foam filter for aluminum separates…<\/p>","protected":false},"author":1,"featured_media":8795,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[26524],"tags":[],"yoast_head":"\nPorous Ceramic Filter Filtration | Adtech China - sales@adtechamm.com<\/title>\n<meta name=\"description\" content=\"Porous Ceramic Filter Filtration is a ceramic with a porosity as high as 70% ~ 90%. It has a three-dimensional network structure. 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