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Power station boiler condensing flue gas dehumidification and purification energy-saving system

A technology for power plant boilers and energy-saving systems, which is applied in indirect carbon dioxide emission reduction, combustion product treatment, combustion methods, etc., can solve the problems of blockage and poor performance of GGH heat exchangers and have to be dismantled, so as to reduce coal consumption and solve chimney problems. Low temperature corrosion, the effect of improving operating efficiency

Inactive Publication Date: 2016-09-14
SHANDONG HONGAO POWER TECHNOLOGY CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, the GGH heat exchanger is seriously blocked during operation, resulting in poor operation effect, and the GGH has to be dismantled. At present, the above problems can only be solved by reforming the test from or MGGH.

Method used

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  • Power station boiler condensing flue gas dehumidification and purification energy-saving system

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Embodiment Construction

[0019] Accompanying drawing is a kind of specific embodiment of the present invention. This embodiment includes a utility boiler 1, the boiler 1 is sequentially connected to an air preheater 2, an electric precipitator 7, a desulfurization tower 8 and a chimney 14 through a flue, and in the flue between the air preheater 2 and the electric precipitator 7 A flue gas cooler 4 is provided, and a flue gas condenser 9 and a flue gas reheater 10 are sequentially installed in the outlet flue connecting the desulfurization tower 8 to the chimney 14; the flue gas cooler 4 is provided with a cooler inlet pipe 5 and A booster pump 6 is installed on the cooler outlet pipe 3 and the cooler inlet pipe 5; the flue gas cooler 4 is connected to the steam turbine condensate pipe; the flue gas condenser 9 is provided with a condenser inlet pipe and a condenser outlet pipe , a circulation pump 13 is installed on the inlet pipe of the condenser; a reheater inlet pipe 11 and a reheater outlet pipe ...

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Abstract

The invention relates to a boiler flue gas comprehensive utilization system, and particularly discloses a power station boiler condensing flue gas dehumidification and purification energy-saving system, which comprises a power station boiler, and is characterized in that the boiler is sequentially connected with air preheaters, electric precipitators, a desulfurizing tower and a chimney through flue pipes; flue gas coolers are arranged in the flue pipes between the air preheaters and the electric precipitators; a flue gas condenser and a flue gas reheater are sequentially arranged in an outlet flue pipe for connecting the desulfurizing tower and the chimney. According to the power station boiler condensing flue gas dehumidification and purification energy-saving system provided by the invention, the waste heat of flue gas can be recovered for heating condensed water, so that the coal consumption is reduced, the moisture content of the flue gas is reduced, pollutants in the flue gas are absorbed, condensed or cleared, water vapor in the flue gas is changed into an overheated state from a saturation state, the problem of the low-temperature corrosion of the chimney is solved, the aims of flue gas dehumidification and purification are achieved, and the whole operation profit of a power station is improved.

Description

(1) Technical field [0001] The invention relates to a boiler flue gas comprehensive utilization system, in particular to a power station boiler condensing flue gas dehumidification purification and energy saving system. (2) Background technology [0002] In order to solve the corrosion of the chimney with liquid droplets in the clean flue gas after desulfurization, a GGH heat exchanger was installed in the early stage to increase the temperature of the clean flue gas to solve the low-temperature corrosion of the chimney and increase the lift height of the flue gas. However, the GGH heat exchanger is seriously blocked during operation, resulting in poor operation effect, and the GGH has to be dismantled. At present, the above problems can only be solved by transforming the test from or MGGH. (3) Contents of the invention [0003] In order to make up for the deficiencies of the prior art, the present invention provides a simple in structure, energy-saving and environment-fri...

Claims

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Application Information

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IPC IPC(8): F23L15/00F23J15/02F23J15/06F23J15/08
CPCF23J15/006F23J15/02F23J15/025F23J15/06F23J15/08F23J2215/10F23J2217/102F23L15/00Y02E20/34
Inventor 李忠江高鹏李锦青黄新元刘金庭
Owner SHANDONG HONGAO POWER TECHNOLOGY CO LTD
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