Superfine steel slag treatment system and method

A processing system and processing method technology, applied in the field of ultra-fine steel slag processing systems, can solve the problems of increasing pre-drying equipment, difficult to meet the needs of production, low utilization rate of steel slag, etc., and achieve enhanced competitiveness, efficient grinding, and finished products. The effect of increased activity

Pending Publication Date: 2020-05-19
天津亿诚集团有限公司
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Problems solved by technology

[0004] Various aspects of the present application provide a system and method for processing ultra-fine steel slag to solve the problems in the pri

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  • Superfine steel slag treatment system and method
  • Superfine steel slag treatment system and method
  • Superfine steel slag treatment system and method

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[0025] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0026] The technical solutions provided by various embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

[0027] Such as figure 1 As shown, the present embodiment provides an ultra-fine steel slag processing system on the one hand, including a metering device 1, a feeding belt conveyo...

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Abstract

The invention provides a superfine steel slag treatment system and method. The superfine steel slag treatment system comprises a metering device, a feeding belt conveyor, a steel slag vertical mill, adust collector and a steel slag warehouse, the metering device is connected with the steel slag vertical mill through the feeding belt conveyor, the steel slag vertical mill is provided with an air lock valve and an air ring, steel slag enters the steel slag vertical mill through the air lock valve to be ground, the ground steel slag is brought into the dust collector by gas of the air ring to becollected, and the dust collector is connected with the steel slag warehouse through an air conveying chute. The superfine steel slag treatment method comprises the steps that S1, the steel slag is fed into the steel slag vertical mill through the air lock valve to be ground; S2, qualified ground fine powder is collected by the dust collector; and S3, the fine powder is collected by the dust collector and then is conveyed to the steel slag warehouse by the air conveying chute. According to the superfine steel slag treatment system and method, free-state calcium in the steel slag is reduced through multiple grinding of the steel slag vertical mill, the steel slag can be efficiently ground, activity of finished products is improved, product competitiveness is enhanced, and through a formedhot air channel, the steel slag is dried while being ground in the steel slag vertical mill.

Description

technical field [0001] The present application relates to the technical field of steel slag treatment, in particular to an ultra-fine steel slag treatment system and method. Background technique [0002] Steel slag is a by-product of the steelmaking process. It is composed of various oxides formed by the oxidation of impurities such as silicon, manganese, phosphorus, and sulfur in pig iron during the smelting process, and salts formed by the reaction of these oxides with solvents. Steel slag contains a variety of useful components: 2% to 8% of metallic iron, 40% to 60% of calcium oxide, 3% to 10% of magnesium oxide, and 1% to 8% of manganese oxide, so it can be used as raw material for iron and steel metallurgy. There are two main ways to comprehensively utilize steel slag as a secondary resource. One is to recycle steel slag in our factory as a smelting solvent, which can not only replace limestone, but also recover a large amount of metallic iron and other useful elements...

Claims

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Application Information

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IPC IPC(8): B02C21/00B02C15/00B02C23/24B02C23/12B02C23/14
CPCB02C21/00B02C15/00B02C23/24B02C23/12B02C23/14B02C2015/002
Inventor 邢建海邸贺敏
Owner 天津亿诚集团有限公司
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