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City building waste alcohol-based casting coating and preparation method of city building waste alcohol-based casting coating

A foundry coating and production method technology, which is applied to casting molding equipment, coatings, molds, etc., can solve the problems of inability to meet large-scale industrial production, single function of alcohol-based foundry coatings, and low resistance to metal scouring. Enhance the technical indicators of each phase, good heat insulation effect and easy drying effect

Inactive Publication Date: 2015-03-25
WUHU HONGKUN AUTO PARTS
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  • Abstract
  • Description
  • Claims
  • 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 for urban construction waste is characterized in that it is made of the following raw materials in parts by weight: quartz tailings 75, high alumina cement 17, magnesium oxide 1, iron oxide 2, slag 1, petroleum coke 5 , MCA flame retardant 0.36, styrene-acrylic emulsion 0.7, urban construction waste 8, phenolic resin 4, hexamethylenetetramine 5, ethanol 45, additive 3.

[0015] The auxiliary agent is made of the following raw materials in parts by weight: shell 23, sepiolite 39, zircon 57, silane coupling agent KH-5703.4, dimethyl silicone oil 0.4, ferrocene 3.2, iron oxide powder 2, Coal tar 3, calcium lignosulfonate 0.3, nano silicon carbide powder 0.3, calcium carbonate 2.3, polyvinyl alcohol 5, appropriate amount of water, the preparation method is to put shells, sepiolite and zircon into a calciner at 550 Calcined at -680°C for 2-3 hours, took it out, soaked it in 8-12% hydrochloric acid solution for 4-5 hours, filtered it out, was...

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Abstract

The invention discloses a city building waste alcohol-based casting coating. The city building waste alcohol-based casting coating is characterized by being prepared from the following raw materials in parts by weight: 65-85 parts of quartz tailings, 14-20 parts of high-alumina cement, 1-2 parts of magnesium oxide, 2-3 parts of ferric oxide, 1-3 parts of furnace clinker, 5-8 parts of petroleum coke, 0.3-0.6 parts of an MCA fire retardant, 0.7-1.2 parts of a styrene-acrylic emulsion, 8-14 parts of city building wastes, 2-4 parts of phenolic resin, 2-5 parts of hexamethylenetetramine, 45-60 parts of ethanol and 3-6 parts of an aid. The preparation method has the advantages that the materials are reasonably selected, and the process is simple; the city building wastes are added into the raw materials after being modified, so that various technical indexes of the coating are enhanced, meanwhile, the processing problem of the wasted building wastes is relieved, the environment is protected, and the prepared coating has good sintering character, high temperature resistance and heat preservation character.

Description

technical field [0001] The invention relates to the field of casting coatings, in particular to an alcohol-based casting coating for urban construction waste 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 casting coa...

Claims

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Application Information

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IPC IPC(8): B22C3/00
CPCB22C3/00
Inventor 黄浩
Owner WUHU HONGKUN AUTO PARTS
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