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Alcohol-based foundry coating of blast furnace slag and fabrication method thereof

A slag alcohol-based, casting coating technology, which is applied to casting molding equipment, coatings, casting molds, etc., can solve the problems of not being able to meet large-scale industrial production, poor suspension stability, and weak sand-sticking resistance, and achieve a strong market Competitiveness and popularization and application value, realization of comprehensive utilization, and low production cost

Active Publication Date: 2014-09-03
GUANGXI SHENGLONG METALLURGICAL CO LTD
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  • Abstract
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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 paint of blast furnace slag is characterized in that it is made of the following raw materials in parts by weight: coke gem 35, chromite 40, clay sand 2, blast furnace slag 15, water glass sand 4, TRFR high resistance Burning high viscosity resin 2, silane coupling agent 0.2, polyvinyl alcohol fiber 0.3, sodium carbonate 0.4, chestnut shell 9, vinyl silicone oil 1, phenolic resin 2, hexamethylenetetramine 3, ethanol 46, 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 low temperature for 2-3 hours, took it ou...

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Abstract

The invention discloses an alcohol-based foundry coating of blast furnace slag. The alcohol-based foundry coating is characterized by being prepared from the following raw materials in parts by weight: 30-40 parts of flint clay, 40-50 parts of chromite, 2-4 parts of clay sand, 15-20 parts of blast furnace slag, 4-8 parts of sodium silicate-bonded sand, 1-2 parts of TRFR high-flame retardant and high-viscosity resin, 0.2-0.5 part of silane coupling agent, 0.3-0.6 part of polyvinyl alcohol fiber, 0.4-0.7 part of sodium carbonate, 9-12 parts of chestnut shell, 1-3 parts of vinyl silicone oil, 2-6 parts of phenolic resin, 3-4 parts of hexamine, 40-55 parts of ethanol and 3-6 parts of assistant. The alcohol-based foundry coating is low in production cost, and the blast furnace slag is added to the raw materials, so that not only is the problem of discharge of the waste solved, but also the suspendability of the coating is improved, and comprehensive utilization of the blast furnace slag is achieved. Therefore, the alcohol-based foundry coating has strong market competition ability as well as promotion and application values.

Description

technical field [0001] The invention relates to the field of casting coatings, in particular to a blast furnace slag alcohol-based casting coating 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 coatings, whic...

Claims

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Application Information

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IPC IPC(8): B22C3/00
Inventor 方学军
Owner GUANGXI SHENGLONG METALLURGICAL CO LTD
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