Tail gas treatment system for waste salt recycling treatment and application of tail gas treatment system

A tail gas treatment and recycling technology, applied in the direction of incinerators, chemical instruments and methods, combustion methods, etc., can solve the problems of occupation, large land, secondary pollution, etc., and achieve the effect of convenient use, full utilization and good effect

Pending Publication Date: 2019-09-06
北京航天环境工程有限公司
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Problems solved by technology

This disposal method not only occupies a large amount of land, but also easily causes secondary pollution

Method used

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  • Tail gas treatment system for waste salt recycling treatment and application of tail gas treatment system
  • Tail gas treatment system for waste salt recycling treatment and application of tail gas treatment system
  • Tail gas treatment system for waste salt recycling treatment and application of tail gas treatment system

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Embodiment Construction

[0049] The present invention will be described in further detail below in conjunction with specific examples. The following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.

[0050] Structures not described in detail in the present invention can be understood as conventional structures in the art.

[0051] A tail gas treatment system for waste salt resource treatment, such as figure 1 As shown, the tail gas treatment system includes a secondary combustion chamber, a waste heat boiler, a quench tower, a bag filter, a precooler, a two-stage scrubber, a flue gas elimination device, a chimney and a circulating water tank, and the secondary combustion chamber includes an input end and flue gas output end, the input end of the second combustion chamber includes a natural gas input end, pyrolysis gas input end and ammonia water input end, the natural gas input end is connected with natural gas, through which the Input na...

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Abstract

The invention relates to a tail gas treatment system for waste salt recycling treatment. The tail gas treatment system comprises a two-time combustion chamber, a waste heat boiler, a quench tower, a bag dust collector, a precooler, a two-stage washing tower, a white flue gas elimination device, a chimney and a circulating water tank, wherein the two-time combustion chamber comprises an input end and a flue gas output end, the input end of the two-time combustion chamber comprises a natural gas input end, a pyrolysis gas input end and an ammonium hydroxide input end, the natural gas input end is connected with natural gas, the natural gas can be input into the two-time combustion chamber through the natural gas input end, the pyrolysis gas input end of the two-time combustion chamber is connected with pyrolysis waste gas of a pyrolyzing furnace, the ammonium hydroxide input end is connected with ammonium hydroxide, and the ammonium hydroxide can be input into the two-time combustion chamber through the ammonium hydroxide input end. The tail gas treatment system for the waste salt recycling treatment has the advantages that the connection of the structure is simple, the use is convenient, after the pyrolysis waste gas in the pyrolyzing furnace is treated, pollutants in flue gas can completely meet emission standards, the cost is low, the effect is good, and the system can be applied in the waste salt recycling treatment.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and relates to a tail gas treatment system for waste salt resource treatment and its application. Background technique [0002] Industrial waste salt mainly comes from coal chemical industry, pesticide, chemical fertilizer, biochemical industry and other industries. These industrial waste salts often cannot be reused in industrial production because they contain a certain amount of organic matter. The relevant national legal documents also classify these waste salts as dangerous waste. Waste salt is often complex in composition and highly toxic and harmful, which is a difficult point in the treatment of hazardous waste industries, and the treatment cost is extremely high. The treatment cost per ton is more than 3,500 yuan, which often brings a great burden to enterprises and also causes waste of resources. [0003] At present, domestic and foreign technologies for waste salt tre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/40B01D53/68B01D53/60B01D50/00F23G7/06B01D53/86B01D53/64
CPCB01D53/78B01D53/40B01D53/68B01D53/60F23G7/06B01D53/86B01D53/8665B01D50/60
Inventor 张宏策刘兆言吴雅菲任向阳李腾龙贾文峰
Owner 北京航天环境工程有限公司
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