Repair paint of moulding wind-shielding ring for foundry furnace

A windshield ring and casting furnace technology, applied in the field of coatings, can solve the problems of unsuitable mesh structure repair, poor mechanical strength of repair materials, expensive components, etc., and achieve the effects of enhanced toughness, low production cost, and low price

Inactive Publication Date: 2011-05-25
WUJIANG HYDRAULIC COMPONENTS FOUNDRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the materials involved in this invention have high refractoriness and good insulation performance, and can also be partially repaired, because they can only be used for repairing themselves, they cannot be used for repairing casting furnaces made of other materials. The application range is narrow, and its components are more expensive, and the production cost is higher. In addition, the mechanical strength and toughness of the repair material are poor, and the toughness is weak, so it is not suitable for the repair of the mesh structure.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A repair paint for forming a windshield for a foundry furnace, the composition and the proportion by weight thereof are: refractory mud 10, 90 mesh quartz sand 70, coal tar 15, and the rest is water; the paint also includes a graphite powder mixture, the graphite The powder mixture accounts for 15% of the mass of the whole coating; the components of the graphite powder mixture and the proportion by weight thereof are: 50 of flake graphite powder, 40 of bentonite, and 15 of carboxymethyl fiber.

Embodiment 2

[0020] A repair coating for forming a windshield for a foundry furnace, the composition and the proportion by weight thereof are: 20 refractory mud, 80 mesh quartz sand, 5 coal tar, and the rest is water; the coating also includes a graphite powder mixture, the graphite The powder mixture accounts for 5% of the mass of the entire coating; the components of the graphite powder mixture and the proportion by weight thereof are: 70% of flake graphite powder, 20% of bentonite, and 5% of carboxymethyl fiber.

Embodiment 3

[0022] A repair coating for forming a windshield for a foundry furnace, the composition and the proportion by weight thereof are: 15 refractory mud, 75 quartz sand with 85 meshes, 10 coal tar, and the rest is water; the coating also includes a graphite powder mixture, the graphite The powder mixture accounts for 10% of the mass of the entire coating; the components of the graphite powder mixture and the proportions by weight thereof are: 60 flake graphite powder, 30 bentonite, and 10 carboxymethyl fibers.

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PUM

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Abstract

A repair paint of a moulding wind-shielding ring for a foundry furnace comprises the following components in parts by weight: 10-20 parts of refractory mortar, 70-80 parts of 80-90 meshes of quartz sand, 5-15 parts of coal tar and the balance water. The paint also contains graphite powder mixture which accounts for 5-15% of the total weight of the paint, wherein the graphite powder mixture comprises the following components in parts by weight: 50-70 parts of flaky graphite powder, 20-40 parts of bentonite and 5-15 parts of carboxymethyl cellulose. The repair paint has better repair effect, wide application range, lower production cost and higher toughness and is suitable for the repair of the net structure.

Description

technical field [0001] The invention relates to a paint, in particular to a repair paint for a formed windshield for a foundry furnace, and is particularly suitable for repairing a formed windshield for a foundry furnace. Background technique [0002] Casting furnaces are generally used for continuous casting of castings. They are widely used because of their strong heating capacity, gap operation, low assembly cost, and good sealing effect. However, since the foundry furnace has been in a high temperature environment for a long time, and it is often in contact with the molten casting liquid, the local position of the casting furnace often breaks. , therefore, it is a good choice to repair the broken part. [0003] The Chinese patent publication number is CN101279854A, and the invention patent published on October 8, 2008 discloses a coil insulation safety furnace lining material. According to the total mass of 100%, each component is 73-85% of fused corundum, aluminate Sa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66
Inventor 浦巧生
Owner WUJIANG HYDRAULIC COMPONENTS FOUNDRY
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