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Application of Sorting Graphite from Desulfurization Slag in Steel Plant

A technology for desulfurization slag and steel mills, which is applied in the application field of separating desulfurization slag from steel mills into graphite isolates, and can solve problems such as non-application and environmental pollution

Active Publication Date: 2015-10-21
山东能源装备集团鲁中装备制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the production of iron and steel, a large amount of desulfurization slag, that is, steel slag, will be produced. However, the desulfurization slag has not been used as a by-product of steel. The accumulated desulfurization slag will pollute the environment. Now the desulfurization slag is still used directly for ironmaking. material, no other application

Method used

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Examples

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the examples, and the following examples are intended to illustrate the present invention rather than further limit the present invention. First embodiment, its steps are:

[0019] a. Primary selection: The desulfurization slag is subjected to physical primary selection, and the massive steel particles in the desulfurization slag are used as steelmaking raw materials to obtain the desulfurization slag intermediate I in a granular state.

[0020] b. Screening: Separate the desulfurization slag intermediate I through a sieve with a diameter of 10 mesh to obtain the iron-containing desulfurization slag intermediate II with a particle size of 3 mm and the desulfurization slag intermediate III with a 10 mesh composition and carbon element. The desulfurization slag intermediate II falls along the separation plate at 15° to the vertical direction, so that the desulfurization slag intermediate III falls f...

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Abstract

The invention relates to an application of steel mill desulphurizing slag separating graphite. Desulphurizing slag isolates of steel mill desulphurizing slags are used as carburant of casting parts, so that the carbon content of the obtained desulphurizing slag isolates is 90 to 95%, and therefore, other applications of the desulphurizing slag isolates are exploited.

Description

1. Technical field [0001] The invention relates to the use of a desulfurization slag separation, in particular to the application of separating the desulfurization slag from a steel plant into graphite separation. 2. Background technology [0002] In the production of iron and steel, a large amount of desulfurization slag, that is, steel slag, will be produced. However, the desulfurization slag has not been used as a by-product of steel. The accumulated desulfurization slag will pollute the environment. Now the desulfurization slag is still used directly for ironmaking. material, and has no other application. 3. Contents of the invention [0003] In order to overcome the above-mentioned technical shortcomings, the object of the present invention is to provide an application of separating graphite from desulfurization slag in steel mills, thus opening up other applications of desulfurization slag separation. [0004] In order to achieve the above object, the technical solu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03B7/00C21B3/04
CPCY02W30/50
Inventor 郑新礼邢世春魏丕杰刘建林耿开河王升洁
Owner 山东能源装备集团鲁中装备制造有限公司