Steel, molten iron slag gathering heat insulating covering agent possessing sulfur phosphorus eliminating function

A thermal insulation covering agent and functional technology, applied in the field of molten iron slag, steel, and thermal insulation covering agents, can solve the problems of weak slag aggregation ability, poor thermal insulation performance, large addition amount, etc. Good, anti-light and heat radiation effect

Inactive Publication Date: 2005-10-26
高申明
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0002] Covering agents are widely used in the metallurgical casting industry such as various gray cast iron, ductile iron and various cast steel liquid production processes. Traditional covering agents use grass ash, perlite, quartz stone, etc. These covering agents are used in the process of The addition of a large amount, the ability to gather slag is not strong, the thermal insulation performance is poor, and there is a certain pollution to molten steel

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1   Embodiment 2

[0008] Embodiment one Embodiment two Embodiment three Embodiment Embodiment five

[0009] m 2 S sand powder 100 150 180 250 280

[0010] Slag 200 220 230 240 260

[0011] Power plant ash 100 180 200 260 280

[0012] Zeolite 50 60 70 75 100

[0013] Graphite 30 50 60 80 100

[0014] Water 14.4 33 37 72.4 102

[0015] Guilin No. 1 Powder 60 65 70 75 80

[0016] Perlite 200 220 270 260 300

[0017] The preparation method of the present invention is: M 2 S Sand powder, slag, power plant ash, zeolite and graphite are mixed according to the above ratio, then add water and stir for 1-5 minutes, then add perlite and Guilin No. 1 powder and mix for 5-10 minutes; Sieve granulation, collect granules with a concentration of 80% and put them into the oven for drum drying. After the material is cooled, the product is obtained.

[0018] m 2 S is Mg 2 SiO 4 , is the abbreviated chemical structure formula of forsterite. m 2 S sand powder is made from M 2 S is obtained...

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PUM

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Abstract

A slag-gathering and insulating covering agent able to remove S and P from molten steel or iron is prepared from M2S sand, slag, pearlite powdered coal ash, zeolite, graphite and the powder 'Guilin No.one'. Its advantages are high effect to remove S and P and shield light, low temp drop, and no pollution to molten steel or iron.

Description

technical field [0001] The invention relates to a covering agent for accumulating slag and heat preservation of steel and molten iron, in particular to a covering agent for accumulating slag and heat preservation of steel and molten iron with the function of removing sulfur and phosphorus. Background technique [0002] Covering agents are widely used in the metallurgical casting industry such as various gray cast iron, ductile iron and various cast steel liquid production processes. Traditional covering agents use grass ash, perlite, quartz stone, etc. These covering agents are used in the process of The addition of a large amount of slag is not strong, the insulation performance is poor, and there is a certain pollution to molten steel. Sprinkled on the surface of molten iron, it can release a large amount of heat energy and react to form a good insulation layer. At the same time, it has a good effect of slag collection and desulfurization. The use of this covering agent i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D1/00
Inventor 高申明汪光银高俊
Owner 高申明
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