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Quartz sand/fire clay composite alcohol group casting coating and preparation method thereof

A technology of casting coating and refractory mud, which is applied to casting molding equipment, coatings, casting molds, etc., can solve the problems of inability to meet large-scale industrial production, poor high temperature resistance, easy layering, etc., and achieve low-settling suspension , Improve the suspension effect, the effect of small gas generation

Inactive Publication Date: 2014-09-03
方学军
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, alcohol-based casting coatings in the prior art have many defects, such as poor suspension stability, easy delamination during long-distance transportation and storage, poor high temperature resistance, low hardness, poor chemical stability, and low metal erosion resistance. , weak sand resistance, etc., make alcohol-based casting coatings have a single function and cannot meet large-scale industrial production

Method used

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Embodiment Construction

[0014] The alcohol-based casting coating compounded with quartz sand / refractory mud is characterized in that it is made of the following raw materials in parts by weight: 50 parts by weight of quartz sand, 34 parts by weight of refractory mud, 3 parts rosin, 1 diatomite, 0.24 parts by weight of zinc borate, Calcium stearate 0.1, magnesium chloride 0.7, waste foam plastic particles 1, ammonium sulfate 2.2, rosin ester 2.1, traditional Chinese medicine residue 4, dichloromethane 0.3, ethanol 40, additive 3.

[0015] The auxiliary agent is made of the following raw materials in parts by weight: pig bone 26, rectorite 38, metakaolin 85, silica fume 30, silane coupling agent KH-5702, silica sol 0.4, nanometer silicon carbide powder 1, nanometer four Ferric oxide 1.2, angelica powder 0.6, sodium carboxymethyl starch 0.4, carboxymethyl cellulose 4, appropriate amount of water, the preparation method is to put pig bone, rectorite and metakaolin in a calciner at 560-680°C Calcined at l...

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Abstract

The invention discloses a quartz sand / fire clay composite alcohol group casting coating. The quartz sand / fire clay composite alcohol group casting coating is characterized by comprising following raw materials in part by weight: 40-60 of quartz sand, 30-40 of fire clay, 3-4 of rosin, 1-2 of kieselguhr, 0.2-0.4 of zinc borate, 0.1-0.3 of calcium stearate, 0.4-0.8 of magnesium chloride, 1-4 of waste foam plastic particles, 1.2-3.2 of ammonium sulfate, 1.1-2.4 of abietate, 4-7 of traditional Chinese medicine dregs, 0.3-0.6 of dichloromethane, 40-50 of ethyl alcohol, and 3-6 of an adjuvant. The coating provided by the invention has the advantages that the coating is not easy to settle, the suspension property is good, air sending volume is small, high temperature is resisted, the fire resistance is good, the coating property is good, the traditional Chinese medicine dregs after processing are added into the raw materials, the coating has an anti-mould effect, the suspension effect of the coating is improved, and thus the coating is suitable for different castings.

Description

technical field [0001] The invention relates to the field of casting coatings, in particular to an alcohol-based casting coating composed of quartz sand / refractory mud and a preparation method thereof. Background technique [0002] Foundry coatings refer to casting auxiliary materials that are used to coat the surface of the cavity or sand core to change their surface refractoriness, chemical stability, metal erosion resistance, sand sticking resistance, etc. It is composed of various properties. It is a dispersion system composed of high-quality materials, and its composition mainly includes refractory materials, suspending agents, carriers, binders and special additives. When acting on castings, it is required that the coating has good process performance, work performance, quality stability and application reproducibility. Prevent defects such as cracking, trachoma, and white iron formation caused by excessive local cooling of casting products. There are many kinds of c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C3/00
Inventor 方学军
Owner 方学军
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