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Coupling energy saving device for multiple products of sintering procedure

A technology of sintering process and energy-saving device, which is applied in the direction of steam engine device, combustion method, energy efficiency improvement, etc. It can solve the waste heat resource waste and other problems, achieve the increase of power generation, optimize the flue gas flow rate and the layout of heat exchange surface, and improve the waste heat The effect of utilization efficiency

Inactive Publication Date: 2017-02-08
CITIC HEAVY INDUSTRIES CO LTD
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  • Abstract
  • Description
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Problems solved by technology

[0004] Aiming at the problem of serious waste of waste heat resources existing in the single-product waste heat utilization technology in the above-mentioned existing sintering process, the present invention provides a multi-product coupling energy-saving device in the sintering process

Method used

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  • Coupling energy saving device for multiple products of sintering procedure
  • Coupling energy saving device for multiple products of sintering procedure
  • Coupling energy saving device for multiple products of sintering procedure

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Embodiment Construction

[0027] The present invention will be further elaborated below in combination with specific embodiments.

[0028] As shown in the figure: a multi-product coupling energy-saving device in the sintering process, including a sinter sensible heat efficient furnace cold utilization system, a hot air sintering system, a sintering large flue waste heat utilization system, and a power generation system; the sinter sensible heat is highly efficient Furnace cooling utilization system includes sintering machine 1, single roll crusher 2 installed at the tail of sintering machine 1, reclaim valve 3, chain conveyor 4, cooling furnace 6, blower 10, cyclone dust collector 12, waste heat boiler 13 and induced draft fan 14. The lower part of the single roll crusher 2 is provided with a retrieving valve 3, the lower part of the retrieving valve 3 is connected to one end of the chain conveyor 4, and the other end of the chain conveyor 4 is connected to the cooling furnace 6; the air inlet of the bl...

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Abstract

The invention relates to a coupling energy saving device for multiple products of a sintering procedure. The coupling energy saving device comprises a sinter sensible heat efficient furnace cooling use system, a hot air sintering system, a sintering large flue waste heat use system and a power generation system. A comprehensive power generation device which is provided by the invention and makes use of waste heat of the multiple products in the sintering procedure can fully use sensible heat of sinters and waste heat of sintering flue gas in a sintering production process, so that the utilization efficiency is improved, and the service life of waste heat utilization equipment is prolonged; the sensible heat of the high-temperature sinters is used in the efficient furnace cooling system, so that the sinters can be cooled at high quality, and the waste heat utilization efficiency can be substantially improved; and compared with the conventional sinter sensible heat utilization efficiency, the waste heat utilization efficiency is improved by 60 percent or above.

Description

technical field [0001] The invention relates to the technical field of waste heat power generation utilization, in particular to a multi-product coupling energy-saving device in a sintering process. Background technique [0002] The iron and steel industry is an important basic industry of the national economy, and its energy consumption accounts for about 15% of the total industrial energy consumption in the country. It is a key industry for energy conservation and emission reduction. In the process of steel production, the energy consumption of the sintering process ranks second, and making full use of the waste heat of sintering is an important way for steel to save energy. During the sintering production process, the sensible heat of high-temperature sintering ore accounts for about 45% of the total energy consumption of the sintering process, and the sensible heat of sintering flue gas accounts for about 25% of the total energy consumption of the sintering process. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27D17/00F27D15/00F27D15/02F23L15/00F22B1/18F01D15/10F01K11/02
CPCF01D15/10F01K11/02F22B1/18F23L15/00F27D15/00F27D15/02F27D17/004F27D17/008F27D2017/009F27M2003/04Y02E20/34Y02P10/25
Inventor 刘怀亮彭岩时小宝张宏李磊石海英陈峰
Owner CITIC HEAVY INDUSTRIES CO LTD
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