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Revolving furnace slag pressing agent and revolving furnace slag pressing method

A technology of slag pressing agent and converter, which is applied in the field of converter slag pressing agent and converter slag pressing method, can solve problems such as slag foaming, slag gushing at the furnace mouth, and the lack of conditions for direct furnace tapping, etc., and achieves improvement effects and broad Application prospect, effect of reducing slag overflow

Inactive Publication Date: 2012-04-18
PANZHIHUA GANGCHENG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Due to the strong oxidation of the final slag of the converter, the slag foams seriously during tapping, and the problem of slag gushing at the furnace mouth is prominent, and it does not have the conditions for direct tapping of the furnace, so automatic steelmaking requires the converter to operate without tapping

Method used

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  • Revolving furnace slag pressing agent and revolving furnace slag pressing method

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Embodiment Construction

[0010] The specific implementation of the present invention will be further described below in conjunction with the examples, and the present invention is not limited to the scope of the examples.

[0011] Embodiment Using converter slag pressing agent of the present invention to carry out slag pressing treatment

[0012] 12 stoves of converters were added respectively to the converter slag pressing agent of the present invention to carry out the slag pressing treatment (the chemical composition of the converter slagging agent of the present invention is as shown in Table 1), and the converters (converter 13th, 14, 15 heats) for comparison, the results are shown in Table 2.

[0013] Table 1 Chemical composition (parts by weight) of converter slag pressing agent of the present invention

[0014]

[0015] Table 2 Results of slag pressing test

[0016]

[0017] Note: The capacity of the above-mentioned converters is 120 tons.

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Abstract

The invention relates to a revolving furnace slag pressing agent and a revolving furnace slag pressing method, which belongs to the field of metallurgy. The invention solves the technical problem of providing the revolving furnace slag pressing agent, which can shorten the slag spattering time, and a revolving furnace can realize the steelmaking without furnace turning. The revolving furnace slag pressing agent of the invention consists of the following ingredients by weight parts: 8 to 15 parts of SiO2, 1 to 6 parts of Al2O3, 20 to 30 parts of Fe2O3, 10 to 20 parts of MgO and 30 to 50 parts of CaO. The invention reduces the overflowing quantity of the furnace slag during the revolving furnace steelmaking, improves the slag spattering furnace protection effect, and shortens the slag spattering time by about 2 minutes. The invention provides a novel path for the furnace slag regulation during the spattering smelting, and has wide application prospects.

Description

technical field [0001] The invention relates to a converter slag pressing agent and a converter slag pressing method, belonging to the field of metallurgy. Background technique [0002] Converter slag splashing has always been a major technical problem in converter smelting. With the continuous updating of converter smelting equipment, especially in converter smelting equipped with automatic steelmaking system, the slag splashing is more prominent. Due to the strong oxidation of the final slag of the converter, the slag foams severely during tapping, and the problem of slag gushing at the furnace mouth is prominent, and the conditions for direct tapping of the furnace are not available. Therefore, automatic steelmaking requires the operation of the converter without tapping the furnace. In order to achieve the purpose of not tapping the furnace, it is necessary to adjust the slag before tapping. Contents of the invention [0003] The first technical problem to be solved b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21C5/28C21C7/076
CPCY02P10/20
Inventor 蒋光旭彭绍强钱强戚明强
Owner PANZHIHUA GANGCHENG GROUP
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