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A kyanite-based composite coating

A composite coating and kyanite technology, applied in coatings, casting molding equipment, casting mold components, etc., can solve the problems of poor aggregate bonding, difficult on-site operation, low suspension, etc., and achieve good deformation resistance, good The effect of fire resistance

Active Publication Date: 2020-09-01
李保珍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In use, there are disadvantages such as low suspension rate and not easy to operate on site
If the suspending property is too low, uneven coating, peeling and foaming after drying are easy to occur in use
In addition, due to the difference in refractory aggregates and binders of traditional graphite coatings, when used on molten metal ladles, transfer ladles, and processing ladles, the combination of graphite and aggregates in the coating is poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A kyanite-based composite paint, comprising the following raw materials: bauxite, kaolin, kyanite, andalusite, chromite, zircon sand, hematite, microcrystalline graphite, sillimanite, the formula of the present invention The raw materials in it have a refractoriness above 1790°C, which exceeds the temperature of casting molten iron, and has good refractory performance.

Embodiment 2

[0020] A kyanite-based composite paint, comprising the following raw materials by weight: 20% kyanite, 10% bauxite, 2% kaolin, 50% zircon sand, 10% chromite, 2% hematite, 2% of microcrystalline graphite, 2% of andalusite, 2% of sillimanite, kaolin, hematite and pottery clay in the formulation raw materials of the present invention have low-temperature plastic deformation properties and good deformation resistance.

Embodiment 3

[0022] A kyanite-based composite paint, comprising the following raw materials by weight: 40% kyanite, 15% bauxite, 3% kaolin, 10% zircon sand, 20% chromite, 3% hematite, Microcrystalline graphite 3%, andalusite 3%, sillimanite 3%, kyanite high-temperature calcination in the formula can solve the problem of volume shrinkage of medium and low temperature fission minerals and organic matter under high temperature conditions, and achieve the same total volume.

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PUM

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Abstract

The invention belongs to the field of paint preparation, and in particular, relates to kyanite base composite paint and a preparation method thereof. The kyanite base composite paint comprises the rawmaterials of bauxite, kaolin, kyanite, andalusite, chromite, zircon sand, hematite, microlite and sillimanite. The preparation method of the kyanite base composite paint comprises the following steps: all the raw materials are crushed, are weighed in proportion to load into a bucket elevator, and are unloaded into a planet sand mixer for mixing, discharge and packing to obtain the kyanite base composite paint. The prepared paint is excellent in thixotropy and leveling property, and is free of gaps in coating layers.

Description

technical field [0001] The invention belongs to the field of paint preparation, and in particular relates to a kyanite-based composite paint and a preparation method thereof. Background technique [0002] Existing casting coatings are mainly divided into two categories: alcohol-based and water-based. In use, there are disadvantages such as low suspension rate and difficulty in on-site operation. If the suspension is too low, uneven coating, peeling and foaming after drying are easy to occur in use. In addition, due to the difference in refractory aggregates and binders of traditional graphite coatings, when used on molten metal ladles, transfer ladles, and processing ladles, the combination of graphite and aggregates in the coating is poor. Contents of the invention [0003] The invention provides a kyanite-based composite coating and a preparation method thereof. The coating prepared by the invention has good thixotropy and leveling properties, and the coating has no ga...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C3/00
CPCB22C3/00
Inventor 李保珍
Owner 李保珍
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