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Efficient slagging agent for semi-steel tank and preparation method of efficient slagging agent

A technology of slagging agent and steel tank, which is applied in the field of high-efficiency slagging agent for semi-steel tanks and its preparation, can solve the problems of resource waste and environmental pollution, reduce steelmaking costs, solve environmental pollution problems, and reduce tank capacity loss effect

Active Publication Date: 2022-03-04
HENAN TONGYU METALLURGY MATERIALS GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Discharge of cutting waste will not only cause huge pollution to the environment, but also cause huge waste of resources

Method used

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  • Efficient slagging agent for semi-steel tank and preparation method of efficient slagging agent
  • Efficient slagging agent for semi-steel tank and preparation method of efficient slagging agent
  • Efficient slagging agent for semi-steel tank and preparation method of efficient slagging agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] A high-efficiency slagging agent for semi-steel tanks, which is obtained by the following preparation method:

[0056] (1) Ingredients: According to the raw materials shown in Table 1, accurately measure, mix each raw material, add 2.0 parts by weight of binder, and mix and grind for 20 minutes to obtain a mixed material;

[0057] (2) Ball briquetting: transport the above-mentioned mixed materials to the double-roller briquetting machine, roll them into balls, and sieve them with a sieve, and control the ball diameter at 5-40mm;

[0058] (3) Drying: Put the qualified sieved pellets into a drying kiln for 30 minutes at 350° C., and cool, sieve, pack, and put into storage when the moisture content of the finished product is below 0.5%.

Embodiment 2

[0060] A high-efficiency slagging agent for semi-steel tanks, which is obtained by the following preparation method:

[0061] (1) Ingredients: According to the raw materials shown in Table 1, accurately measure, mix each raw material, add 0.3 parts by weight of binder, and mix and grind for 10 minutes to obtain a mixed material;

[0062] (2) Ball briquetting: transport the above-mentioned mixed materials to the double-roller briquetting machine, roll them into balls, and sieve them with a sieve, and control the ball diameter at 5-40mm;

[0063] (3) Drying: Put the qualified sieve pellets into a drying kiln for 100 minutes at 100°C, and cool, sieve, pack, and put into storage when the moisture content of the finished product is below 0.5%.

Embodiment 3

[0065] A high-efficiency slagging agent for semi-steel tanks, which is obtained by the following preparation method:

[0066] (1) Ingredients: According to the raw materials shown in Table 1, accurately measure, mix each raw material, add 1.3 parts by weight of binder, and mix and grind for 15 minutes to obtain a mixed material;

[0067] (2) Ball briquetting: transport the above-mentioned mixed materials to the double-roller briquetting machine, roll them into balls, and sieve them with a sieve, and control the ball diameter at 5-40mm;

[0068] (3) Drying: put the qualified sieved balls into a drying kiln for 60 minutes at 220°C, and cool, sieve, pack and put into storage when the moisture content of the finished product is below 0.5%.

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Abstract

The invention provides a high-efficiency slagging agent for a semi-steel tank, and belongs to the technical field of metallurgical auxiliary materials. The invention relates to a high-efficiency slag melting agent for a semi-steel tank. The high-efficiency slag melting agent comprises the following chemical components in percentage by weight: 10-40% of Si + SiC, 5-20% of Fe2O3, 2-15% of Na2O, 0-22% of F, 8-25% of Al2O3, 0-15% of MgO, 1-7% of SiO2 and the balance of impurities. According to the efficient slagging agent, through reasonable matching of the effective chemical components, reasonable utilization of medium-grade and low-grade photovoltaic cutting waste can be achieved, ladle wall bonded slag can be melted and diluted, and the problem that the slag is seriously bonded to a semi-steel tank in the processes of production, transfer and the like of semi-steel is thoroughly solved.

Description

technical field [0001] The invention belongs to the technical field of metallurgical auxiliary materials, and in particular relates to a high-efficiency slagging agent for semi-steel tanks and a preparation method thereof. Background technique [0002] my country's northwest and southwest regions are rich in vanadium-titanium magnetite resources, and its reserves account for more than 95% of China's reserves. In order to make better use of these precious resources, local steel companies use converter oxidation to extract vanadium from molten iron, and the molten iron after vanadium extraction is called semi-steel. Since the silicon and manganese elements in the semi-steel are almost trace amounts, the slag of the semi-steel has the characteristics of high viscosity, poor fluidity, and easy sticking. Semi-steel needs to be transferred to converter steelmaking through semi-steel tanks, and serious slag sticking to tank walls often occurs during the transfer process. Accordin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D43/00C21C7/076
CPCB22D43/00C21C7/076Y02P10/20
Inventor 胡杰刘小军薛东磊李秀忠王金培王勇源
Owner HENAN TONGYU METALLURGY MATERIALS GRP
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