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Steel slag combined grinding system and method

A technology of combined grinding and steel slag, applied in grain processing and other directions, can solve problems such as equipment stability cannot be guaranteed, pre-drying equipment and energy consumption are high, and it is difficult to meet the needs of production, so as to enhance competitiveness and drying capacity. Strong, reducing the effect of waste of space

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

[0003] Various aspects of this application provide a steel slag combined grinding system and method to solve the problems in the prior art that it is difficult to meet the production requirements. The utilization rate of steel slag is low, and additional pre-drying equipment, high energy consumption, and equipment stability are required. Sex cannot be guaranteed

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  • Steel slag combined grinding system and method

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Embodiment Construction

[0033] 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.

[0034] The technical solutions provided by various embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

[0035] Depend on Figure 1 to Figure 3 As shown, on the one hand, this embodiment provides a steel slag combined grinding system, including a fine grinding device 1 and an ultrafi...

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Abstract

The invention provides a steel slag combined grinding system and method. The steel slag combined grinding system comprises a fine grinding device and a superfine grinding device; the fine grinding device comprises a receptacle trough, a first vibration screen, a steel slag magnetic drum classificator, a buffer bin, a second rod mill, a magnetic separator and a third vibration screen; and the superfine grinding device comprises a metering device, a feeding belt conveyor, a steel slag vertical mill, a dust collector and a steel slag warehouse. Fine treatment of steel slag is achieved, space waste and environment pollution are reduced, the steel slag is subjected to multiple crushing, magnetic separation and screening, energy consumption can be reduced, slag and iron are separated, the iron and the slag can be secondarily utilized, and economic benefits are increased; multiple products can be formed through technologies such as multiple screening, magnetic separation and rod milling, anddifferent demands of markets can be met; and 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, and product competitiveness is enhanced.

Description

technical field [0001] The present application relates to the technical field of steel slag treatment, in particular to a combined steel slag grinding 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. Due to the low utilization rate, difficulty in handling and low activity of steel slag, it has caused a large amount of accumulation in various steel mills. Not only caused a lot of waste of space, but also caused pollution to the environment. The existing steel slag ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C21/00B02C23/14B02C23/12
CPCB02C21/00B02C23/14B02C23/12B02C2201/06
Inventor 邢建海邸贺敏
Owner 天津亿诚集团有限公司
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