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Internally circulating wet flue gas desulfurization tower

A technology of wet flue gas desulfurization and internal circulation, which is applied in separation methods, chemical instruments and methods, and separation of dispersed particles, and can solve problems such as large desulfurization water consumption, secondary pollution of wastewater, and easy corrosion of the system

Inactive Publication Date: 2010-06-02
汪晋武
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Problems solved by technology

Usually, the equipment adopts the alkaline liquid that has been proportioned directly to the top of the tower body, and the acidic SO 2 The chemical reaction of the gas, the product after the reaction cannot be effectively used, and is directly discharged. This method has disadvantages such as large water consumption for desulfurization, secondary pollution of wastewater, and easy corrosion of the system.

Method used

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  • Internally circulating wet flue gas desulfurization tower
  • Internally circulating wet flue gas desulfurization tower

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Embodiment Construction

[0014] An internal circulation wet flue gas desulfurization tower, comprising a tower base 10 and a tower body 20, a desulfurization system 30 is provided inside the tower body 20, a flue gas outlet 21 is located at the upper end of the tower body 20, and a desulfurization system is installed at the flue gas outlet 21 The mist system 40 has a flue gas inlet 22 at the lower end of the tower body 20 , and the air inlet 22 and the tower body 20 are in a downward tangential direction. At the bottom of the tower body 20 is a slurry tank 1, the upper part of the slurry tank 1 is connected with the liquid replenishment system 70, the bottom of the slurry tank 1 is connected with the ash cleaning system 50, and a pulping system 60 is also provided outside the tower body 20 for pulping The system 60 is connected with the desulfurization system 30 through the spray circulation pump 33 .

[0015] The desulfurization system 30 is that a desulfurization pipeline 31 is arranged on the outer...

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Abstract

The invention relates to an internally circulating wet flue gas desulfurization tower which is used for industrial flue gas desulfurization. The internally circulating wet flue gas desulfurization tower comprises a tower foundation and a tower body. The tower body is internally provided with a wet flue gas desulfurization system; the upper end of the tower body is provided with a flue gas outlet at which a demisting system is arranged, the lower end of the tower body is provided with a flue gas inlet and the bottom of the tower body is provided with a slurry tank; the upper part of the slurry tank is connected with a slurry supplementing system, and the lower part of the slurry tank is connected with a deashing system; the tower body is externally provided with a slurrying system; and the slurrying system is connected with the wet flue gas desulfurization system through a spraying circulating pump. The internally circulating wet flue gas desulfurization tower can remove the harmful components in the flue gas, reduce the pollution and the emission and effectively save water resource.

Description

technical field [0001] The invention relates to a gas-liquid separation device, in particular to an internal circulation wet flue gas desulfurization tower. Background technique [0002] With the improvement of modern living standards, there are more and more facilities such as coal-fired boilers and generator sets, and their emissions contain SO 2 The flue gas has caused severe acid rain and SO 2 pollute. Therefore, flue gas desulfurization has been widely paid attention to. [0003] The principle of flue gas desulfurization is alkaline desulfurizer and acidic SO 2 Chemical reactions of gases. Usually, the equipment adopts the alkaline liquid that has been proportioned directly to the top of the tower body, and the acidic SO 2 The chemical reaction of the gas, the product after the reaction cannot be effectively used, and is directly discharged. This method has disadvantages such as large water consumption for desulfurization, secondary pollution of wastewater, and eas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/50F23J15/04
Inventor 汪晋武
Owner 汪晋武
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