Device for reducing exhausted flue humidity of wet desulfurization system, and method thereof

A wet desulfurization and humidity technology, applied in separation methods, chemical instruments and methods, dispersed particle separation, etc., can solve problems such as environmental pollution of desulfurization devices, reduce equipment maintenance workload, avoid environmental pollution, and reduce land occupation. Effect

Inactive Publication Date: 2012-06-20
NANJING SHENGNUO HEAT PIPE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] At present, there are more than 600,000 industrial boilers in China. Due to the country's emphasis on environmental protection, many boilers are equipped with desulfurization devices at the tail. Most of the desulfurizati

Method used

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  • Device for reducing exhausted flue humidity of wet desulfurization system, and method thereof
  • Device for reducing exhausted flue humidity of wet desulfurization system, and method thereof

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Embodiment Construction

[0035] Such as figure 1 As shown, the device of the present invention includes an inlet flue 1 , a water absorption tower 2 , an outlet flue 3 and a slurry tank 4 . A support plate 9 is arranged in the water absorption tower 2, and the support plate 9 is a porous plate. The side of the water absorption tower 2 close to the support plate 9 is provided with a flushing port and a flushing device 8 is installed.

[0036] Such as figure 1 As shown, the inlet flue 1 is connected to the desulfurization device; the inlet flue 1 is connected to the water absorption tower 2; the water absorption tower 2 is connected to the outlet flue 3; the desulfurization flue gas is discharged to the external flue or chimney through the outlet flue 3.

[0037] Such as figure 1 As shown, the slurry in the slurry tank 4 is sent to the desulfurizer delivery pump from the slurry outlet.

[0038] Such as figure 1 As shown, the desulfurizer is sent into the intermediate storage bin 6 through the lifti...

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Abstract

The invention provides a safe and economic device for reducing exhausted flue humidity of a wet desulfurization system, and a method thereof. The device comprises an inlet flue channel, a water absorption tower and an outlet flue channel, wherein the inlet flue channel, the water absorption tower and the outlet flue channel are sequentially communicated. One or plural layers of supporting plates for placing a desulfurization agent are arranged inside the water absorption tower. A slurry tank is arranged below the support plates, and a desulfurization feeding device is arranged above the side of the supporting plates, wherein the desulfurization agent absorbing the moisture of the exhausted flue drips in the slurry tank. The desulfurated pure flue gas carrying saturated water passes through a desulfurization agent layer filled in the water absorption tower, and partial moisture and sulfur dioxide in the flue gas are removed with the water absorbing capacity and the desulfurization capacity of the desulfurization agent so as to safely and economically solve the problem of white smoke belching in the existing wet desulfurization system.

Description

technical field [0001] The invention relates to a device and method for dehydrating the clean flue gas discharged from a wet desulfurization system and reducing the humidity of the flue gas. Background technique [0002] Coal is the most important energy resource in China, occupying an absolute dominant position in China's energy resources. Calculated on the basis of 1 billion tons of coal output in 2000, the proven reserves of coal resources in China can be guaranteed for up to 1,000 years; my country is also the only country in the world that uses coal as its main energy source, and coal accounts for 75% of primary energy, equivalent to about Coal consumption is 1Gt, of which more than 84% is utilized through combustion. SO2 exhaust gas produced by coal combustion has become the main source of air pollution. According to the statistical data in 1995, the sulfur content of coal used in thermal power plants in my country is as follows: high-sulfur coal with a sulfur content...

Claims

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Application Information

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IPC IPC(8): B01D53/26B01D53/80B01D53/50
Inventor 陈金福李来所徐德新
Owner NANJING SHENGNUO HEAT PIPE
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