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Biological flue gas desulfurization treatment system

A technology of biological desulfurization and treatment system, applied in air quality improvement, use of liquid separation agent, separation of dispersed particles, etc., can solve the problems of high operating cost and secondary pollution of desulfurization technology, and achieve stable and guaranteed performance and flexible operation. Effect

Inactive Publication Date: 2014-08-06
段国秀
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] The invention discloses a novel flue gas biological desulfurization process, which is used to solve the shortcomings of high operating costs and secondary pollution in the existing desulfurization technology

Method used

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  • Biological flue gas desulfurization treatment system

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Embodiment Construction

[0020] According to the claims of the present invention and the content disclosed in the summary of the invention, the technical solution of the present invention is specifically as follows:

[0021] Fig. 1 is a schematic diagram of the process route of the flue gas biological desulfurization system of the present invention, please refer to Fig. 1, wherein the flue gas is connected to the air inlet of the flue gas biological desulfurization washing tower 10 through a booster fan, a GGH heat exchanger; The gas outlet of the scrubber is connected to the chimney 30 through the GGH heat exchanger; the water outlet from the secondary sedimentation tank 20 of an aerobic system is connected to the flue gas biological desulfurization scrubber through a spray pump, and the spray liquid after washing is drained from the secondary sedimentation tank The pipes are connected; the flue gas biological desulfurization system specifically includes: a flue gas biological desulfurization washing ...

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Abstract

The invention discloses a biological flue gas desulfurization treatment system, and solves the problems of higher operating cost and secondary pollution in the conventional flue gas desulfurization technology. According to the disclosed technology, higher pH and alkalinity of aerobic secondary sedimentation outlet water of a sewage treatment plant is skillfully utilized, and the system performs spraying and washing on flue gas, is high in desulfurization efficiency and has certain desulfurization and dust removal effects. The system is simple in technology operation, low in operating cost, stable and guaranteed in efficiency and very suitable for desulfurization, denitrification and dust removal of flue gas.

Description

[0001] technical field [0002] The invention relates to a new technology for flue gas biological desulfurization, in particular to a flue gas biological desulfurization washing tower. [0003] Background technique [0004] The flue gas desulfurization in the prior art mostly adopts the following methods: [0005] Dry desulfurization technology: the method of using solid absorbent to remove flue gas. Commonly used dry flue gas desulfurization technologies include activated carbon adsorption method, electron beam radiation method, charged dry absorbent injection method, and metal oxide desulfurization method. [0006] The advantage of this method is that the project investment cost is low. The disadvantage is that the operation cost is high, causing secondary pollution, the removal efficiency of sulfur dioxide is low, and the utilization rate of absorbent is also low. [0007] Wet desulfurization technology: The method of using liquid absorbent to scrub flue ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/84B01D53/78B01D53/60B01D47/06
CPCY02A50/20
Inventor 不公告发明人
Owner 段国秀