Special coating for slag harrow for removing slag of iron and steel

A technology of slag removal and slag raking, which is applied in the direction of lime coating, coating, mechanical cleaning, etc., and can solve the problems that affect the normal operation of slag removal, difficult iron slag removal, and lower production efficiency.

Inactive Publication Date: 2007-09-05
YANTAI SHENGLIDA ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Practice has proved that the current coatings have the following main defects: the iron slag and the coating layer are bonded too tightly and firmly, and it is difficult to remove the iron slag on the surface of the slag rake by the usual method, and manual scraping is required
It not only increases the amount of labor and reduces the production efficiency, but also has certain potential safety hazards
On the other hand, the work of carrying slag on the surface of the slag rake affects the normal operation of slag removal

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Make 55% of amorphous graphite, 20% of flake graphite, 15% of coke powder, and 10% of calcium carbonate powder to make powders of 200-1000 mesh respectively, and mix them together with 50% of the total amount of the above components in a paint mixer uniform. The percentages are percentages by weight, the same below.

Embodiment 2

[0015] Make 50% of amorphous graphite, 30% of flake graphite, 10% of coke powder, and 10% of calcium carbonate powder to make 200-1000 mesh powder respectively, and stir and mix them together with 30% of the total amount of the above components in a paint mixer uniform.

Embodiment 3

[0017] Make 50% of amorphous graphite, 20% of flake graphite, 15% of coke powder, and 15% of calcium carbonate powder to make 200-1000 mesh powder respectively, and stir and mix them together with 30% of the total amount of the above components in a paint mixer uniform.

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PUM

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Abstract

The invention relates to a special-purpose coating material for steel slag removing harrows, which mainly 50-60% of soil form graphite, 20-30% of lamellar graphite, 10-20% of coke powder, 10-20% of calcium carbonate powder, and water 30-60% of the total amount of the constituents.

Description

technical field [0001] The invention relates to a coating, in particular to a special coating for slag rakes. The slag rake is a supporting device of a slag scraper or a slag scooper for removing slag in molten steel or ladle. Background technique [0002] When the slag rake of the steel (iron) water slag scraper or slag remover is working, it needs to be frequently dipped or brushed with paint. It has two main functions, one is to protect the slag rake by coating to avoid high temperature steel (iron) water corrosion; the other is to prevent iron slag from directly adhering to the metal surface of the slag rake and not easy to remove. [0003] The main component of existing coatings for slag rakes is graphite, such as amorphous graphite or flake graphite. Practice has proved that the current coating has the following major defects: the iron slag is too tightly and firmly bonded to the coating layer, and it is difficult to remove the iron slag on the surface of the slag ra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D43/00B22C3/00C09D1/10
Inventor 盛富春
Owner YANTAI SHENGLIDA ENG TECH
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