Rapid continuous casting ceramic foam filter

A technology of foam ceramics and filters, which is applied in the fields of filtration separation, chemical instruments and methods, separation methods, etc., and can solve problems such as unstable performance and complicated production

Inactive Publication Date: 2013-08-14
TAIZHOU ZHUXIN NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the ubiquitous shortcomings of complex production and unstable performance in existing foam ceramic filters, the present invention provides a rapid continuous casting foam ceramic filter, which is not only suitable for large-scale industrial production, but also has stable overall performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Embodiment 1: A rapid continuous casting foam ceramic filter is formed by using soft polyurethane foam sponge as a carrier, impregnating thixotropic ceramic slurry to make a billet, drying and sintering. The thixotropic ceramic slurry is prepared by mixing ceramic powder, carboxymethyl cellulose, polyvinyl alcohol and water in a certain proportion. The ceramic powder includes one or more of zirconia, aluminum oxide, silicon carbide and magnesium oxide.

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Abstract

The invention discloses a rapid casting ceramic foam filter which is directed to deficiencies of conventional ceramic foam filters of complex production and unstable performance. The rapid casting ceramic foam filter is prepared by taking soft polyurethane foam sponge as a carrier, making impregnated thixotropic ceramic slurry into blanks, drying and sintering. The thixotropic ceramic slurry is prepared by mixing ceramic powder, carboxymethyl cellulose, polyvinyl alcohol and water according to a certain proportion. The rapid casting ceramic foam filter prepared by the present invention is suitable for large-scale industrial production, and is stable in the overall performance.

Description

Technical field [0001] The invention involves a ceramic filter for the casting industry, which specializes in a fast -cast foam ceramic filter. Background technique [0002] Bubble ceramic filter is a new type of filtering equipment developed in recent years.Foam ceramics are foam composed of ceramics. The pore rate is as high as 80%to 90%, and the channel is twisted, the surface area is large, and it can be fully contacting the fluid.Practice has proved that foam ceramic filters can effectively remove harmful impurities such as mixed objects and gas in metals and improve the internal quality of metal. [0003] With the rapid development of aerospace technology and automotive industry, many units and individuals have conducted more in -depth research on foam ceramic filters and put forward some new improvement plans.For example, Sinosteel Group Luoyang Fire Resistance Research Institute Co., Ltd. applied for a invention patent called "Preparation Method of Mo Lai Shi Nettito Foam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/06B01D39/20B22D11/119
Inventor 路兵高桂航
Owner TAIZHOU ZHUXIN NEW MATERIAL TECH CO LTD
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