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Industrial tail gas treatment system

A technology for treating system and industrial tail gas, which is applied in the direction of climate change adaptation, climate sustainability, chemical/physical process, etc. It can solve problems such as unsatisfactory single-stage treatment effect of tail gas, low emission requirements, unfulfilled emissions, etc., and achieve maintenance Low cost, improved bonding strength, and high dust collection efficiency

Inactive Publication Date: 2020-12-25
苏州云式环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the above technical problems, the present invention provides an industrial tail gas treatment system, which solves the technical problems that the single-stage treatment effect of tail gas is not ideal and the emission does not meet the low emission requirements.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The industrial tail gas treatment system includes a pretreatment unit a, a tail gas catalytic device b, a desulfurization device c, and a degreasing device d arranged sequentially along the direction of industrial waste gas transportation; the pretreatment unit a includes water mist generators connected in sequence device a1, charge generating device a2, aerosol mixing reactor a3, the desulfurization device c includes a pool body 1, and the water pool 1 is filled with saturated NaHCO 3 solution; the degreasing device d includes a pool body two d1, and several cooling pipes d2 are arranged in the pool body two d1;

[0021] The tail gas catalytic device b includes a tower body 1, and the middle part of the tower body 1 is provided with a partition plate 12, and the partition plate 12 divides the tower body 1 into an upper catalytic purification area and a lower dust separation area, and the upper catalytic purification area The gas zone and the lower dust separation zone ...

Embodiment 2

[0023] The industrial tail gas treatment system includes a pretreatment unit a, a tail gas catalytic device b, a desulfurization device c, and a degreasing device d arranged sequentially along the direction of industrial waste gas transportation; the pretreatment unit a includes water mist generators connected in sequence device a1, charge generating device a2, aerosol mixing reactor a3, the desulfurization device c includes a pool body 1, and the water pool 1 is filled with saturated NaHCO 3solution; the degreasing device d includes a pool body two d1, and several cooling pipes d2 are arranged in the pool body two d1;

[0024] The tail gas catalytic device b includes a tower body 1, and the middle part of the tower body 1 is provided with a partition plate 12, and the partition plate 12 divides the tower body 1 into an upper catalytic purification area and a lower dust separation area, and the upper catalytic purification area The gas zone and the lower dust separation zone a...

Embodiment 3

[0027] The industrial tail gas treatment system includes a pretreatment unit a, a tail gas catalytic device b, a desulfurization device c, and a degreasing device d arranged sequentially along the direction of industrial waste gas transportation; the pretreatment unit a includes water mist generators connected in sequence device a1, charge generating device a2, aerosol mixing reactor a3, the desulfurization device c includes a pool body 1, and the water pool 1 is filled with saturated NaHCO 3 solution; the degreasing device d includes a pool body two d1, and several cooling pipes d2 are arranged in the pool body two d1;

[0028] The tail gas catalytic device b includes a tower body 1, and the middle part of the tower body 1 is provided with a partition plate 12, and the partition plate 12 divides the tower body 1 into an upper catalytic purification area and a lower dust separation area, and the upper catalytic purification area The gas zone and the lower dust separation zone ...

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Abstract

The invention relates to the field of tail gas treatment devices, and concretely relates to an industrial tail gas treatment system. The system comprises a pretreatment unit, a tail gas catalysis device, a sulfur removal device and a grease removal device which are sequentially arranged in the industrial waste gas conveying direction. Compared with like systems in the prior art, the industrial tail gas treatment system provided by the invention has the advantages that preliminary separation and forced separation treatment of industrial waste gas are realized, gaseous pollutants such as sulfurdioxide and nitrogen oxide and particulate pollutants in the industrial waste gas are removed at the same time, the removal efficiency can reach up to 98% or above; and the efficiency of removing sulfur dioxide, nitric oxide and other acid gases in waste gas can reach 95% or above; secondary dust removal treatment on the tail gas is achieved by conducting cyclone separation dust removal and electrostatic dust removal on the tail gas; and meanwhile, VOC in the tail gas is purified through a catalyst formed by loading a perovskite type rare earth composite oxide on a carrier, so the flue gas treatment amount is large, the dust collection efficiency is high, the catalytic efficiency is high, the service life is long, and the maintenance cost is low.

Description

technical field [0001] The invention relates to the field of tail gas treatment devices, in particular to an industrial tail gas treatment system. Background technique [0002] Industrial tail gas refers to the general term for all kinds of pollutant gases discharged into the air generated during fuel combustion and production processes in the factory area, including particulate matter such as PM2.5, SOx, NOx, VOCs, COx and H2S, etc. With the enhancement of people's awareness of environmental protection, more and more attention has been paid to the harm of industrial exhaust gas to the natural environment and organisms. Correspondingly, industrial exhaust gas treatment technology is also constantly improving and innovating. However, the carbon monoxide, hydrogen, methane and other sulfur and nitrogen pollutants in the existing industrial tail gas cannot be effectively treated. Still contain more pollutants, causing harm to human body. At present, when industrial waste gas ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D50/00B01D53/50B01D53/56B01D53/78B01D53/86B01J27/185
CPCB01D50/00B01D53/504B01D53/56B01D53/86B01D2251/304B01D2251/606B01J27/1856Y02A50/2351
Inventor 李双英魏金祥崔毅
Owner 苏州云式环境科技有限公司
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