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Casting-use straight-hole ceramic filter and preparation method thereof

The technology of a ceramic filter and a straight hole is applied to the straight hole ceramic filter, the material for preparing the straight hole ceramic filter and the manufacturing field, which can solve the problem of high preparation cost of the straight hole ceramic filter, and achieves low material cost and low cost. The effect of high thermal mechanical strength and easy control

Inactive Publication Date: 2013-03-27
JINAN SHENGQUAN DOUBLE SURPLUS CERAMIC FILTER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to provide a method for preparing a straight-hole ceramic filter to solve the technical problem of high manufacturing cost of the straight-hole ceramic filter in the prior art

Method used

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  • Casting-use straight-hole ceramic filter and preparation method thereof

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Embodiment 1

[0026] The cross-section of the straight hole ceramic filter is square, the hole type is square hole, the wall thickness is adjustable from 0.3mm to 1.5mm, and the hole width is adjustable from 1.2mm to 3.5mm. 53 parts by weight of boiled coke gemstones that have passed through a 200 mesh sieve, 40 parts by weight of alumina that have passed through a 325 mesh sieve, 5 parts by weight of clay that have passed through a 500 mesh sieve, and 2 parts by weight of talc that have passed through a 500 mesh sieve are mixed into 200Kg of materials, plus 4% hydroxypropyl cellulose by weight of the material, ball milled for 2 hours, passed through a 100-mesh sieve, added 20% water, 3% tung oil and 3% rapeseed oil of the total weight of the material, kneaded in a kneader for 20 minutes, and kneaded After the mud is machine-trained for 3 times, it is aged for 18-24 hours. After the aged mud is vacuum-trained, it is extruded with a square hole mold. After being shaped by a box-type microwav...

Embodiment 2

[0028]The cross-section of the straight hole ceramic filter is rectangular, the hole type is hexagonal hole, the wall thickness is adjustable from 0.3mm to 1.5mm, and the diameter of the circumscribed circle of the hexagonal hole is adjustable from 2.0mm to 5.0mm. 65 parts by weight of cooked coke gemstones that have passed through a 200 mesh sieve, 27 parts by weight of alumina that have passed through a 325 mesh sieve, 5 parts by weight of clay that have passed through a 500 mesh sieve, and 3 parts by weight of talc that have passed through a 500 mesh sieve are mixed into 200Kg of materials, wherein Al in the cooked gemstones used 2 o 3 The content of ≥ 42%, Al in alumina 2 o 3 content ≥ 98%, Al in clay 2 o 3 content ≥ 30%. Add 4% hydroxypropyl cellulose by weight of the material, ball mill for 2 hours, pass through a 100 mesh sieve, add 18% water and 6% high-quality soybean oil by weight of the material, knead in a kneader for 20 minutes, and knead with a mud trainer. ...

Embodiment 3

[0030] The cross-section of the straight hole ceramic filter is square, the hole type is round hole, the wall thickness is adjustable from 0.3mm to 1.5mm, and the diameter of the round hole is adjustable from 1.0mm to 3.5mm. Adopt 70 parts by weight of cooked coke gemstones that have passed 200 mesh sieves, 22 parts by weight of alumina that have passed 325 mesh sieves, 5 parts by weight of clay that have passed 500 mesh sieves, and 3 parts by weight of talc that have crossed 500 mesh sieves are mixed into 200Kg of materials, wherein Al in the charred gem used 2 o 3 The content of ≥ 42%, Al in alumina 2 o 3 content ≥ 98%, Al in clay 2 o 3 content ≥ 30%. Add 4% hydroxypropyl cellulose by weight of the material, ball mill for 2 hours, pass through a 100-mesh sieve, add 18% water and 6% hydraulic oil of the total weight of the material, knead in a kneader for 20 minutes, and knead the mud by a mud trainer After 3 times, it will be aged for 18-24 hours. After the aged mud is...

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Abstract

The invention discloses materials used for preparing a casting-use straight-hole ceramic filter, a straight-hole ceramic filter, and a preparation method thereof. The materials used for preparing the casting-use straight-hole ceramic filter comprise, by weight, 50-70 parts of cured flint clay, 20-40 parts of aluminum oxide, and 3-10 parts of clay. The straight-hole ceramic filter preparation method comprises the steps that: a honeycomb ceramic molding technology is adopted, wherein the materials are sufficiently mixed with a binder and a water retaining agent; a plasticizer, a lubricant and water are added; and processes such as kneading, rough mixing, aging, refining, molding, shaping, drying, cutting, soot blowing, and sintering are carried out, such that the straight-hole ceramic filter is prepared. The costs of the materials used for preparing the straight-hole ceramic filter are low; mullite corundum is synthesized during the sintering process; and production cost is reduced.

Description

technical field [0001] The invention relates to the fields of silicate materials and industrial ceramics, in particular to a straight-hole ceramic filter for filtering impurities in metal liquids such as molten iron and aluminum in a casting process, materials for preparing the straight-hole ceramic filter and manufacturing methods. method. Background technique [0002] At present, the filter device used for the purification of molten metal is a ceramic filter, which can effectively intercept harmful impurities in the molten metal and make the molten metal change from turbulent flow to laminar flow, playing the role of purification and homogenization. According to the structure, ceramic filters can be divided into foam ceramic filters and straight hole ceramic filters. Among them, the straight hole ceramic filter is a new type of ceramic filter developed in recent years, which has the characteristics of good appearance regularity and good filtration performance. Straight-h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66C22B9/02
CPCY02P10/20
Inventor 祝建勋李顺徐传伟杨仁民
Owner JINAN SHENGQUAN DOUBLE SURPLUS CERAMIC FILTER
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