Current source feedback type waste heat generating system based on blast furnace superconducting cooling

A technology of waste heat power generation and power generation system, which is applied in blast furnaces, cooling devices, blast furnace details, etc., can solve the problem of inability to reuse waste heat, and achieve the effect of improving heat exchange efficiency and cooling efficiency, reducing labor costs, and reducing consumption.

Inactive Publication Date: 2015-09-30
CHENGDU SINOMETALLURGY ENERGY CONSERVATION ENVIRONMENTAL PROTECTION ENG CO LTD
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Problems solved by technology

[0004] The purpose of the present invention is to overcome the defect that people cannot fully utilize the waste heat generated in blast furnace production at present, and provide a current source feedback waste heat power generation system based on blast furnace superconducting cooling

Method used

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  • Current source feedback type waste heat generating system based on blast furnace superconducting cooling
  • Current source feedback type waste heat generating system based on blast furnace superconducting cooling
  • Current source feedback type waste heat generating system based on blast furnace superconducting cooling

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Embodiment

[0028] Such as Figure 1~3 As shown, the blast furnace body 1 of the present invention is the same as the traditional blast furnace, and is divided into four parts, the furnace shaft, the bosh, the furnace waist and the furnace seat. The present invention is provided with more than one superconducting annular heat exchange ring 2 in a layered and surrounding manner along the side wall of the blast furnace body 1, that is, these superconducting annular heat exchange rings 2 are arranged along the shaft and bosh of the blast furnace body 1. , the furnace waist and the furnace seat are arranged, and the side wall surface of the entire blast furnace body 1 is completely covered. Every circle around the side wall of the blast furnace body 1 is a layer, and the midline points of all superconducting annular heat exchange rings 2 on the same layer are in the same plane, so along the side wall surface of the blast furnace body 1 A superconducting annular heat exchange ring 2 with seve...

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Abstract

The invention discloses a current source feedback type waste heat generating system based on blast furnace superconducting cooling. The current source feedback type waste heat generating system based on the blast furnace superconducting cooling mainly comprises a blast furnace body (1), an electrical power generating system (12), a steam utilizing device, more than one superconducting annular heat exchange ring (2) which is hierarchically arranged along the side wall of the blast furnace body (1) in a surrounding manner and a waste heat control treatment system. The current source feedback type waste heat generating system based on the blast furnace superconducting cooling has the advantages that hot water after heat exchange is discharged in a concentrated manner by virtue of the superconducting annular heat exchange rings which are embedded in the side wall of the blast body and a corresponding annular pipeline system, so that heat exchange intensity is improved, heat exchange efficiency and cooling efficiency are improved; and temperature of the traditional cooling water is increased to 250 DEG C from 40 DEG C, and then the traditional cooling water is overheated to 400 DEG C by applying the superconducting heat exchange rings twice, so that cooling waste used for power generation is realized.

Description

technical field [0001] The invention relates to a high-efficiency power generation system for blast furnace cooling heat, in particular to a current source feedback waste heat power generation system based on blast furnace superconducting cooling. Background technique [0002] During the blast furnace production process, the cooling of the furnace wall requires a large amount of water to take away the heat to reduce the temperature of the furnace wall, so as to meet the process temperature requirements of the normal production of the blast furnace. The waste heat taken away by the cooling of the blast furnace and the surface heat dissipation ratio of the blast furnace wall account for 5% and 0.5% of the total heat consumption of the blast furnace respectively. Based on the simple calculation that 400-800Kg of coke is required to produce one ton of pig iron, there are about 20-40Kg of coke produced Thermal energy is dissipated in the form of cooling water heat. Based on the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21B7/00C21B7/10F27D17/00F01K11/02F01K27/00
CPCY02P10/25
Inventor 王蓉
Owner CHENGDU SINOMETALLURGY ENERGY CONSERVATION ENVIRONMENTAL PROTECTION ENG CO LTD
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