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Modified high-effective flue gas heat exchange device

A flue gas heat exchange and improved technology, which can be used in heat exchanger types, direct contact heat exchangers, and greenhouse gas reduction, etc., can solve the problems of low heat exchange efficiency, easy blockage, and large investment in heat exchange devices. , to achieve high heat exchange efficiency, reduce energy consumption, reduce equipment size and investment

Inactive Publication Date: 2019-03-01
CES BEIJING ENERGY SAVING INVESTMENT
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  • Abstract
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AI Technical Summary

Problems solved by technology

If the indirect heat exchange is adopted, the investment of the heat exchange device is large, and the overall heat exchange efficiency is also low, and it is prone to blockage

Method used

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  • Modified high-effective flue gas heat exchange device
  • Modified high-effective flue gas heat exchange device

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Experimental program
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Effect test

Embodiment Construction

[0015] The invention provides an improved high-efficiency flue gas heat exchange device, which includes a flue gas inlet (1), an overflow port (2), a cooling water outlet (3), a sewage outlet (4), and a stop valve (5) , internal circulation pump (6), inspection port (8), cooling water inlet (9), flue gas outlet (10), demisting device (11), water distributor (12), packing (13), water collecting device (14), spraying device (15), uniform distribution device (17) and other components.

[0016] It is characterized in that: flue gas from coal-fired boilers or gas-fired boilers enters the device through the flue gas inlet (1), and the flue gas is evenly distributed in the flow field through the action of the uniform distribution device (15), firstly with the spray device (14) The sprayed atomized liquid droplets carry out the first direct contact heat exchange. After cooling down, the flue gas conducts a second contact heat exchange with the night film water in the filler (13), and...

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Abstract

The invention provides a modified high-effective flue gas heat exchange device including: a flue gas inlet (1), an overflow port (2), a cooling water outlet (3), a drain outlet (4), a stop valve (5),an internal circulating pump (6), an access hole (8), a cooling water inlet (9), a flue gas outlet (10), a demisting device (11), a water distributor (12), packing (13), a water collector (14), a sprinkling device (15), and a uniform distributor (17). The device can significantly increase gas-water heat exchange efficiency, has anti-blocking optimized design, can deeply cool the flue gas, remove moisture and eliminate white substances, can reduce investment cost and operation cost.

Description

technical field [0001] The invention relates to an improved high-efficiency flue gas heat exchange device, in particular to a high-efficiency heat exchange device used in waste heat utilization systems for coal-fired boiler flue gas and gas-fired boiler flue gas. Background technique [0002] Against the background of increasingly severe air pollution in the northern region and the country's vigorous promotion of energy conservation and environmental protection, various regions continue to promote clean energy transformation, fully tap various waste heat resources, and improve heating security. There are two main forms of waste heat utilization in thermal power plants: flue gas waste heat utilization and circulating water waste heat utilization. One of the core equipment in the flue gas waste heat utilization system is the air-water heat exchange device, and its main heat exchange methods are: contact heat exchange and indirect heat exchange. The contact heat exchange mainl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28C3/08F28C1/00F28F25/08F23J15/06F23J15/00
CPCF23J15/00F23J15/06F28C1/00F28C3/08F28F25/08Y02E20/30
Inventor 周世武张龙华成龙闫丽果李秀全叶郭波张卫旭赵曦
Owner CES BEIJING ENERGY SAVING INVESTMENT
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