Sintering mixing granulation process and system

A mixing system and process technology, applied in the field of sintering, can solve problems such as poor mixer effect, and achieve the effects of improving mixing effect, reducing the volume and weight of raw materials, and avoiding damage

Pending Publication Date: 2021-11-30
BEIJING SHOUGANG INT ENG TECH
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  • Claims
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Problems solved by technology

[0005] In view of this, the purpose of the present invention is to overcome the deficiencies of the prior art and provide a sintering mixing granulation process to solve the technical problem of poor mixer effect in the sintering mixing granulation process in the prior art

Method used

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  • Sintering mixing granulation process and system
  • Sintering mixing granulation process and system

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Embodiment Construction

[0036] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other implementations obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0037] Such as figure 1 Shown, a kind of sintering mixing granulation process comprises the following steps:

[0038] Quantitatively obtain the returned ore for sintering and granulation and other raw materials except the returned ore. Other raw materials include iron raw materials, fluxes, fuels, and steel mill waste; among them, the iron raw materials are iron-containing raw materials, including magnetite, hematite One or more of ore, limonite and siderite, ...

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Abstract

The invention relates to a sintering mixing granulation process, and belongs to the technical field of sintering. The process comprises the following steps: quantitatively obtaining return mine for sintering granulation, an iron raw material, a flux, fuel and steel mill waste; conveying the obtained iron raw material, flux, fuel and steel mill waste into a mixing machine, introducing a proper amount of water into the mixing machine, and uniformly stirring and mixing to obtain a premixed raw material; conveying the return mine and the obtained premixed raw material into a granulator, and adding a proper amount of water and steam into the granulator for mixing and granulating to obtain granules for sintering; and conveying the obtained granules into a sintering machine to be sintered to obtain a sintered material. The return mine is directly added into the granulator, so that the volume and the weight of the raw materials in the mixing machine are reduced, the mixing effect of the mixing machine is improved, the type selection range of the mixing machine is widened, meanwhile, the return mine is prevented from entering the mixing machine to damage the mixing machine, and the service life of a liner plate of the mixing machine is prolonged.

Description

technical field [0001] The invention belongs to the technical field of sintering, and in particular relates to a sintering mixing granulation process and system. Background technique [0002] At present, the conventional mixing and granulation of sintering in my country puts all sintering and blast furnace returning ore into the mixer for mixing, but adding sintering returning ore and blast furnace returning ore to the mixer and mixing with other raw materials has the following defects: [0003] Due to the high hardness and high strength of sintering and blast furnace returning ore, the mixing process in the mixer will increase the wear of the mixer, especially the wear of the liner in the mixer. [0004] Since sinter return and blast furnace return account for a high proportion of raw materials in the sinter mixing and granulation process, adding sinter return and blast furnace return to the mixer not only requires the use of a mixer with a larger capacity, but also Reduce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B1/16C22B1/248
CPCC22B1/16C22B1/248C22B1/2406Y02P10/20
Inventor 张卫华兰军张全申张海蓉赵成显智谦
Owner BEIJING SHOUGANG INT ENG TECH
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