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Manufacturing method of filter and filtering device

A manufacturing method and technology of a filtering device, which are applied in the field of metallurgical technology, can solve the problems of poor performance of aluminum alloy smelting filtering device, etc., and achieve the effects of simple structure, reduced inclusions, and small volume

Active Publication Date: 2017-02-22
宁波创润新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The problem solved by the present invention is that the performance of the aluminum alloy smelting and filtering device in the prior art is not good

Method used

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  • Manufacturing method of filter and filtering device

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The present embodiment provides a kind of manufacturing method of filter, comprises following five steps:

[0039] Step S1: providing a porogenic slurry and a mold, the mold is a microporous structure;

[0040] Step S2: extruding the porogenic slurry into the mold;

[0041] Step S3: baking the mold containing the porogenic slurry;

[0042] Step S4: Sintering the baked mold containing the porogenic slurry;

[0043] Step S5: After the sintering, the mold is disassembled, and the sintered porogenic slurry becomes the filter.

[0044] First, step S1 is performed to provide a porogenic slurry and a mold, and the mold has a microporous structure.

[0045] In this embodiment, the porogenic slurry includes: alumina, silica, calcium carbonate, No. 1 Suzhou clay, binder, defoamer, dispersant and water.

[0046] Among them, the composition of No. 1 Suzhou soil is: SiO 2 : 44.96%~56.00%; Fe 2 o 3 : 0.1%~0.3%; Al 2 o 3 : 34.26%~38.06%; SO 3 : 0.66%~0.85%; K 2 O: 0.21%~0.3...

Embodiment 2

[0067] refer to figure 1 The present invention also provides a filtering device, comprising:

[0068] support seat 1;

[0069] A first chamber 2 located on the support base 1 and a second chamber 3 connected to the first chamber 2 .

[0070] The first chamber 2 includes a material inlet 21 and a first material outlet located below the material inlet 21 , and a filter element 22 produced by the method of Embodiment 1 is arranged at the first material outlet. In this embodiment, a filter box 23 is provided between the first discharge port and the feed port 21 . The first discharge port is also connected with a diversion groove 24 , and the other end of the diversion groove 24 is connected with the second chamber 3 . The bottom of the second chamber 3 also has a drain opening 31 . A second discharge port 32 is also provided in the second chamber, and the second discharge port 32 is opposite to the first discharge port 31 .

[0071] In this embodiment, the high-purity aluminu...

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Abstract

The invention provides a manufacturing method of a filter and a filtering device. The manufacturing method of the filter includes the steps of providing hole-forming slurry and a mold of a micro hole structure; extruding the hole-forming slurry into the mold; sintering the mold containing the hole-forming slurry; and disassembling the mold after sintering and forming the filter through the sintered hole-forming slurry. According to the filter produced through the method, the hole diameter is greatly reduced, inclusions with the diameter being 10 micrometers can be filtered out by more than 74%, inclusions with the diameter being 6 micrometers can be filtered out by more than 68%, inclusions with the diameter being 2 micrometers can be filtered out by more than 40%, and therefore the inclusions in molten aluminum alloy can be greatly reduced, and the purity of the molten aluminum alloy can be improved. The filtering device is simple in structure, small in size and high in filtering efficiency and improves the purity of the molten aluminum alloy.

Description

technical field [0001] The invention relates to a metallurgical process, in particular to a filter manufacturing method and a filter device. Background technique [0002] High-purity aluminum alloys are widely used in the electronics industry, such as aluminum-chromium and aluminum-titanium alloys, which are used as reflective layers in magneto-optical media; aluminum-copper alloys are used as wire materials in circuits, and aluminum-copper alloys are used as wire materials in circuits. Silicon, aluminum-silicon-copper alloys can also be used as sputtering target materials, while aluminum-rubidium alloys and aluminum-tantalum alloys are used as metal reflective layers in flat-panel displays. The above-mentioned aluminum alloys have high requirements on purity and density. [0003] Therefore, the need for smelting and filtering of aluminum alloys has become a necessary condition for modern high-performance aluminum alloys. However, the aluminum alloy smelting and filtering ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C22C21/00C22B9/02
Inventor 吴景晖姚力军宋彦明张卫嘉
Owner 宁波创润新材料有限公司