Flue gas treatment system and treatment method

A flue gas treatment system and flue gas treatment technology are applied in the direction of combustion method, combustion product treatment, lighting and heating equipment, etc., which can solve the problems of easy clogging of cloth bags, achieve the effect of not easy to condense and reduce the water vapor content

Pending Publication Date: 2022-03-08
四川九洲环保科技有限责任公司
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Problems solved by technology

[0003] In order to solve the technical problem that the traditional incineration system flue gas treatment has limitations in the use of electrostatic dust removal after wet deacidification and the bag dust removal is easy to block the bag, the embodiment of the present invention provides a flue gas treatment system and treatment method

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  • Flue gas treatment system and treatment method
  • Flue gas treatment system and treatment method

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Embodiment

[0047] In order to solve the technical problem of the limitation of using electrostatic precipitator after wet deacidification in traditional incineration system flue gas treatment and the technical problem that bag dust removal is easy to block the bag, the first aspect, the embodiment of the present invention provides a flue gas treatment method, refer to figure 1 shown, including:

[0048] S1. Perform wet deacidification on the flue gas treated by the cooling system to obtain the first flue gas; optionally, the cooling system can be a cooling tower, a heat exchanger or a cooler; preferably, the cooling system is a quenching system;

[0049] S2. Cooling and dehumidifying the first flue gas to obtain the second flue gas;

[0050] S3. Dedusting the second flue gas with a bag filter;

[0051] Wherein, the temperature of the second flue gas is higher than the dew point temperature of the second flue gas, and the temperature of the second flue gas is lower than the maximum servi...

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Abstract

In order to solve the technical problems that in traditional incineration system flue gas treatment, electrostatic dust collection is limited after wet deacidification, and a cloth bag is prone to being blocked when cloth bag dust collection is adopted, the flue gas treatment method comprises the steps that flue gas treated by a cooling system is subjected to wet deacidification, and first flue gas is obtained; cooling and dehumidifying the first flue gas to obtain second flue gas; performing dust removal on the second flue gas by using a bag-type dust remover; wherein the temperature of the second flue gas is higher than the dew point temperature of the second flue gas, and the temperature of the second flue gas is lower than the highest use temperature of the bag-type dust collector. According to the embodiment of the invention, wet-process deacidification and cooling dehumidification are adopted, so that the moisture content in the flue gas entering the bag-type dust collector is greatly reduced, and the purposes that the flue gas is treated by adopting the bag-type dust collector and is not easy to dehydrate are achieved.

Description

technical field [0001] The invention relates to a flue gas treatment system and a treatment method. Background technique [0002] The traditional process of flue gas treatment in incineration system is generally "incinerator + waste heat boiler + quenching system + dry deacidification + activated carbon + bag dust removal + wet deacidification + electrostatic dust removal + flue gas heating + chimney". The land area is large, the initial investment cost is high, and the later maintenance and operation are difficult. After wet deacidification, the humidity of the flue gas is relatively high, and the electrostatic precipitator is generally used. The equipment of the electrostatic precipitator is complicated, and there are requirements for the specific resistance of the dust, which has limitations in the processing process. Generally, bag dust removal is not used because the humidity of the flue gas is high, the relative moisture of the flue gas is high, it is easy to condense...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23J15/00F23J15/02F23J15/06F23J15/08F23G7/06
CPCF23J15/003F23J15/006F23J15/025F23J15/06F23J15/08F23G7/06F23J2215/10F23J2215/101F23J2217/101F23J2219/30F23J2219/40
Inventor 刘远鹏邓稳林勇赫孔建周世民于湘彬肖雄颜欢欢林强
Owner 四川九洲环保科技有限责任公司
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