Vanadium-containing molten iron slag pan anti-sticking agent and slag sticking prevention method

An anti-sticking agent and water slag technology, applied in the field of metallurgical steelmaking, can solve the problem of high price of the anti-sticking agent, achieve good slag resistance, reduce maintenance costs, and have good anti-sticking slag effect.

Inactive Publication Date: 2020-05-15
HEBEI IRON AND STEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem of high price of the anti-adhesive agent in the prior art, the present invention provides an anti-adhesive agent for vanadium-containing iron slag pan

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The present embodiment provides a vanadium-containing iron slag tray anti-sticking agent, comprising the following raw materials in weight percentage: 15% lime powder, 15% lightly burned dolomite undersize, 10% moissanite, 35% ladle castable and 25% %water. Wherein the particle diameter of lime powder≤5mm, the mass percent content of calcium oxide is 83wt%, the mass percent content of magnesium oxide is 7%, activity degree is 370mL; The percentage content is 30%, the mass percentage content of calcium oxide is 41%; the particle size of moissanite is 2-3mm, and the mass percentage content of silicon carbide is 67%; the particle size of ladle castable is 1-3mm , the mass percentage of aluminum oxide is 72%, the mass percentage of magnesium oxide is 10%, and the mass percentage of silicon carbide is 11%.

Embodiment 2

[0025] The present embodiment provides a vanadium-containing iron slag tray anti-sticking agent, comprising the following raw materials in weight percentage: 18% lime powder, 12% lightly burned dolomite undersize, 15% moissanite, 30% ladle castable and 25% %water. Wherein the particle diameter of lime powder is ≤5mm, the mass percentage content of calcium oxide is 81wt%, the mass percentage content of magnesium oxide is 8%, and activity is 375mL; The percentage content is 29%, the mass percentage content of calcium oxide is 42%; the particle size of moissanite is 2-3mm, and the mass percentage content of silicon carbide is 65%; the particle size of ladle castable is 1-3mm , the mass percentage of aluminum oxide is 71%, the mass percentage of magnesium oxide is 9%, and the mass percentage of silicon carbide is 14%.

Embodiment 3

[0027] The present embodiment provides a vanadium-containing iron slag tray anti-sticking agent, comprising the following raw materials in weight percentage: 15% lime powder, 15% lightly burned dolomite undersize, 10% moissanite, 33% ladle castable and 27% %water. Wherein the particle diameter of lime powder≤5mm, the mass percent content of calcium oxide is 82wt%, the mass percent content of magnesium oxide is 6%, activity degree is 380mL; The percentage content is 28%, the mass percentage content of calcium oxide is 40%; the particle size of moissanite is 2-3mm, and the mass percentage content of silicon carbide is 68%; the particle size of ladle castable is 1-3mm , the mass percentage of aluminum oxide is 72%, the mass percentage of magnesium oxide is 8%, and the mass percentage of silicon carbide is 12%.

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Abstract

The invention belongs to the technical field of metallurgical steelmaking, and particularly relates to a vanadium-containing molten iron slag pan anti-sticking agent and a slag sticking prevention method. The anti-sticking agent comprises lime powder, light calcined dolomite, carbon silica, a molten iron ladle castable and water. The raw materials are cheap and easy to obtain, the operation cost of steel slag sticking prevention can be reduced, the anti-sticking agent has high refractoriness, good slag resistance and good capability of reacting with steel slag, and the slag sticking probability can be effectively reduced.

Description

technical field [0001] The invention belongs to the technical field of metallurgy and steelmaking, and in particular relates to a vanadium-containing iron slag pan anti-sticking agent and a method for preventing sticking slag. Background technique [0002] Steel slag is a kind of industrial solid waste. At present, various iron and steel enterprises use slag trays to store and transport hot steel slag. The temperature of liquid steel slag in converter is 1560~1720℃. For the smelting of vanadium-containing molten iron, the viscosity of vanadium-containing steel slag is relatively high due to the existence of silicon and titanium. The material of the slag pan used in converter steelmaking is generally steel casting Q235. Therefore, after the converter liquid steel slag enters the slag pan, there will be steel pouring phenomenon during storage and transportation, and the steel slag will bond with the slag pan. fall off. When the sticky steel is serious, it needs hook machine ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21B3/06C21C5/46
CPCC21B3/06C21C5/46C21B2400/054Y02W30/50Y02P10/20
Inventor 杨坤王宝华孔超陈文勇李涛杜占其王健
Owner HEBEI IRON AND STEEL
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