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Energy-saving and emission-reducing device for coke dry quenching and energy-saving and emission-reducing coking process using same

A technology for energy saving, emission reduction and coke dry quenching. It is applied in coke ovens, gasification processes, and coke cooling. It can solve the problems of low heat utilization efficiency and no effect on carbon dioxide emission reduction, and achieve good industrial prospects and low costs. , the effect of high efficiency

Inactive Publication Date: 2010-09-29
BEIJING SHUOREN HAITAI ENERGY ENVIRONMENT TECH
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  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the limitations and deficiencies of the above-mentioned prior art that have low heat utilization efficiency and have no effect on the reduction of carbon dioxide emissions in the flue gas, and provide a kind of energy-saving and emission-reducing, high-efficiency, low-cost Low CDQ energy saving and emission reduction device and coking energy saving and emission reduction process using it

Method used

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  • Energy-saving and emission-reducing device for coke dry quenching and energy-saving and emission-reducing coking process using same
  • Energy-saving and emission-reducing device for coke dry quenching and energy-saving and emission-reducing coking process using same
  • Energy-saving and emission-reducing device for coke dry quenching and energy-saving and emission-reducing coking process using same

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Embodiment Construction

[0026] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0027] as attached figure 1 The shown CDQ energy-saving and emission-reducing device of the present invention includes fans connected by sequential air ducts, reduction coolers, dust collectors 16 and waste heat boilers 17, and fans (not shown) are placed before the reduction coolers, wherein, The reduction cooler is divided into a combustion chamber 1, a reduction section 2 and a cooling section 3 from top to bottom, wherein a furnace cover 11 is arranged on the top of the combustion chamber 1, and an air inlet 10 is opened on the furnace wall at the middle and lower part of the combustion chamber; There is a gas outlet 15 on the upper furnace wall, and the gas outlet communicates with the dust collector through the gas outlet pipe, and further communicates with the waste heat boiler 17; the CO2 inlet 6 is opened on the lower furnace wall of ...

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Abstract

The invention provides an energy-saving and emission-reducing device for coke dry quenching and an energy-saving and emission-reducing coking process using same, which can realize energy saving and emission reduction with high efficiency and low cost. The invention has the advantages that the emission of carbon dioxides in flue gas is reduced in the coke quenching process, valuable carbon monoxide is generated, and low-cost feed gas is provided for downstream products to synthesize ammonia, methanol and the like while coke quenching, thereby being a new method for realizing energy saving and emission reduction in the coke production and having excellent industry prospects and wide social benefits.

Description

technical field [0001] The invention relates to the field of coking, in particular to a novel coke dry quenching energy saving and emission reduction device and a coking energy saving and emission reduction process using the device. Background technique [0002] At present, coke dry quenching technology (CDQ, Coke Dry Quinching) is a technology that uses low-temperature inert gas (circulation) to exchange heat with red coke in a CDQ furnace, thereby cooling red coke. Generally speaking, the device used for CDQ process consists of red coke loading device, cold coke discharge device, CDQ furnace, gas circulation equipment, waste heat boiler and other auxiliary supporting facilities. The cooling medium is generally nitrogen, and the gas circulation equipment blows it into the CDQ furnace. The nitrogen gas takes away the sensible heat of the coke through heat exchange. The high-temperature nitrogen gas at the outlet of the CDQ furnace enters the waste heat boiler after dust remo...

Claims

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Application Information

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IPC IPC(8): C10B39/02C01B31/18C01B32/40
CPCC10B39/02C10J3/02C10J2300/0943C10J2300/0969Y02P20/129
Inventor 沈昌炽张觐桐高宁朱许慧
Owner BEIJING SHUOREN HAITAI ENERGY ENVIRONMENT TECH
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