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Anti-slag-adhesion spray coating

A technology of spraying paint and anti-sticking slag, which is applied in the field of refractory materials, can solve the problems of unsatisfactory effect, high cost of repairing the aircraft vehicle, and high probability of damage to the aircraft vehicle, achieving significant economic and safety benefits, excellent high temperature resistance and anti-sticking slag Performance, the effect of good slag resistance

Active Publication Date: 2017-10-10
巩义市金利炉料厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The slag pots or slag pots used in converter steelmaking in iron and steel plants are easy to stick to slag. After sticking to the slag, the slag pots or slag pots need to be hoisted by aircraft to collide with each other. Due to the collision, the slag pots or slag pots are easily broken or deformed. Once the slag tank or slag basin breaks or deforms, it not only needs manual handling, but also is prone to accidents, and it will also cause a high probability of damage to the aircraft
The cost of repairing the aircraft is high, which affects production. In addition, the steel mill needs to purchase new slag basins and slag tanks every year, resulting in an increase in production costs
The existing anti-sticking slag coating is not ideal, the slag tank and the slag basin are not clean, and there are 30%-50% sticky slag, which is very unsafe

Method used

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Examples

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Effect test

Embodiment 1

[0018] An anti-sticking slag spray coating, expressed in weight percentage, the raw material composition of the anti-sticking slag spray coating is: 12% of bauxite granules with a particle size of 0-1mm, bauxite with a particle size of 325-800 mesh 22% soil powder, 13% silicon powder with a particle size of 280 mesh to 325 mesh, 45% silicon powder with a particle size of 600 mesh to 1000 mesh, 1.5% metal silicon powder with a particle size of 180 mesh to 260 mesh, and a particle size of 325 mesh to 400 mesh 1.5% zirconia, 3% silicon carbide with a particle size of 180 mesh to 280 mesh, 1.5% silicon micropowder, 0.2% sodium tripolyphosphate, 0.3% sodium hexametaphosphate, plus 35% water accounting for the total weight of the above raw materials.

Embodiment 2

[0020] An anti-sticking slag spray coating, expressed in weight percentage, the raw material composition of the anti-sticking slag spray coating is: 10% of bauxite particles with a particle size of 0-1mm, and bauxite particles with a particle size of 325-800 mesh Soil powder 24%, silicon powder with a particle size of 280 mesh to 325 mesh 16%, silicon powder with a particle size of 600 mesh to 1000 mesh 40%, metal silicon powder with a particle size of 180 mesh to 260 mesh 1.8%, and a particle size of 325 mesh to 400 mesh 0.5% of zirconia, 5% of silicon carbide with a particle size of 180 mesh to 280 mesh, 2% of silicon micropowder, 0.4% of sodium tripolyphosphate, 0.3% of sodium hexametaphosphate, plus water accounting for 40% of the total weight of the above raw materials.

Embodiment 3

[0022] An anti-sticking slag spray coating, expressed in weight percentage, the raw material composition of the anti-sticking slag spray coating is: 10% of bauxite particles with a particle size of 0-1mm, and bauxite particles with a particle size of 325-800 mesh 20% soil powder, 15% silicon powder with a particle size of 280 mesh to 325 mesh, 45% silicon powder with a particle size of 600 mesh to 1000 mesh, 2% metal silicon powder with a particle size of 180 mesh to 260 mesh, and a particle size of 325 mesh to 400 mesh 3% of zirconia, 2% of silicon carbide with a particle size of 180 mesh to 280 mesh, 2% of silicon micropowder, 0.5% of sodium tripolyphosphate, 0.5% of sodium hexametaphosphate, plus water accounting for 38% of the total weight of the above raw materials.

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Abstract

The invention relates to an anti-slag-adhesion spray coating, which comprises the following raw materials in weight percent: 10%-13% of bauxite granules in grain size of 0-1mm, 20%-24% of bauxite powder in grain size of 325-800 meshes, 13%-18% of silica powder in grain size of 280-325 meshes, 35%-45% of silica powder in grain size of 600-1000 meshes, 1.5%-2.5% of metal silicon powder in grain size of 180-260 meshes, 0.5%-3% of zirconium oxide in grain size of 325-400 meshes, 2%-5% of silicon carbide in grain size of 180-280 meshes, 1.5%-3% of silica powder, 0.2%-0.5% of sodium tripolyphosphate, 0.3%-0.5% of sodium hexametaphosphate and 35%-40% of water. The anti-slag-adhesion spray coating has an excellent anti-slag-adhesion effect, a slag pot and a slag ladle are free from slag adhesion and the service life of the slag pot and the slag ladle is greatly prolonged.

Description

technical field [0001] The invention belongs to the technical field of refractory materials, and in particular relates to an anti-sticking slag spray coating for converter steelmaking slag pots and slag pots in iron and steel plants. Background technique [0002] The slag pots or slag pots used in converter steelmaking in iron and steel plants are easy to stick to slag. After sticking to the slag, the slag pots or slag pots need to be hoisted by aircraft to collide with each other. Due to the collision, the slag pots or slag pots are easily broken or deformed. Once the slag tank or slag basin is broken or deformed, it not only needs manual handling, but also is prone to accidents, and it will also cause a high probability of damage to the aircraft. The cost of repairing the aircraft is high, which affects production. In addition, the steel mill needs to purchase new slag basins and slag tanks every year, resulting in an increase in production costs. The existing anti-sticki...

Claims

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Application Information

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IPC IPC(8): C04B35/66C04B35/14
CPCC04B35/14C04B35/66C04B2235/3217C04B2235/3244C04B2235/3826C04B2235/447C04B2235/77C04B2235/96
Inventor 郝世圈郝新杰
Owner 巩义市金利炉料厂
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