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Cheek plate of reduced iron agglomeration apparatus

A technology of reducing iron and cheek plates, applied in the field of cheek plates, can solve problems such as difficulty in gas discharge, and achieve the effect of preventing loss and improving quality

Inactive Publication Date: 2018-06-08
POSCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to prevent rebound, it is necessary to make it easy for the gas to escape from the cheek plate, but the cheek plate is in contact with the pressure roller, so it is difficult to discharge the gas

Method used

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  • Cheek plate of reduced iron agglomeration apparatus
  • Cheek plate of reduced iron agglomeration apparatus
  • Cheek plate of reduced iron agglomeration apparatus

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Experimental program
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Embodiment Construction

[0043] The terminology used herein is for describing particular embodiments only and is not intended to be limiting of the invention. As used herein, singular forms are also intended to include plural forms unless the context clearly dictates otherwise. It should also be understood that the term "comprising" or "comprising" does not specifically refer to a certain characteristic, field, integer, step, action, element and / or component, and does not exclude other characteristics, fields, integer, step, action, element , the presence or addition of components and / or groups.

[0044] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily implement the present invention. It should be understood by those skilled in the art that the following embodiments can be modified into various forms without departing from the concept and scope of the present invention. Therefore, the...

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Abstract

Provided is a cheek plate, of a reduced iron agglomeration apparatus, for reinforcing adhesive strength on both side surfaces of a roller and effectively discharging the gas generated when reduced iron is processed, the cheek plate comprising: fan-shaped cover parts respectively provided on both side surfaces of the pair of rollers, which process the reduced iron, so as to prevent the reduced ironfrom leaking out to a side space formed by the rollers; roller close-contact parts protruding from edge portions of the inner sides of the cover parts and coming into close contact with the outer sides of each roller, so as to maintain the airtightness of the space between the rollers; and a gas discharge part formed to extend along a plate surface of the roller close-contact part so as to discharge the gas generated when the reduced iron is processed.

Description

technical field [0001] The invention relates to a cheek plate, which is arranged on both sides of a pressing roller of a briquetting device, and is used for preventing leakage of reduced iron. Background technique [0002] If the reduced fine iron ore is exposed to the air, it is easily oxidized due to its high reactivity or there is a risk of fire. This reactivity originates from the specific surface area of ​​fine iron ore. When fine iron ore in the hematite form is reduced to magnetite, the crystal structure changes considerably. [0003] Since hematite and magnetite differ greatly in their lattice structures, changes in the crystal structure can lead to volume expansion and a large number of internal cracks. The generation of cracks will increase the specific surface area of ​​the ore and increase the area that may react with the gas, which ultimately helps to increase the reduction rate. [0004] When fine iron ore in the form of limonite is heated above 500°C, it lo...

Claims

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Application Information

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IPC IPC(8): C22B1/24C22B1/248B22F3/03
CPCB22F3/03C22B1/24
Inventor 金炫秀韩贵熙郑载勋
Owner POSCO
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