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Thermal desorption tail gas treatment process and device in persistent organic matter soil remediation process

A soil remediation and exhaust gas treatment technology, applied in gas treatment, dispersed particle separation, membrane technology, etc., can solve the problems of incomplete desorption exhaust gas treatment, desorption exhaust gas without deep purification treatment, etc., and achieve thermal desorption exhaust gas. The treatment device is flexible, realizes mobility, and eliminates the effect of arbitrary discharge

Inactive Publication Date: 2020-03-13
CRYSTAL WATER & BLUE SKY ENVIRONMENTAL ENG
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Problems solved by technology

[0004] The purpose of the present invention is to provide a thermal desorption tail gas treatment process and device in the persistent organic matter soil remediation process, to solve the problem that the desorption waste gas treatment is not perfect and the desorption waste gas has not been deeply purified. question

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  • Thermal desorption tail gas treatment process and device in persistent organic matter soil remediation process

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] see Figure 1-6, the present invention provides a technical solution: a thermal desorption tail gas treatment process and device in the persistent organic matter soil remediation process, including a dust collector 1, an air inlet 2, an air outlet 3, an ash hopper 4, an alkali spray tower 5, Tail gas inlet 6, lye inlet 7, liquid level gauge port 8, water replenishment port 9, pH meter port 10, alkali spray tower circulation pump 11, sewage outlet 12, ma...

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Abstract

The invention relates to a thermal desorption tail gas treatment process and device in a persistent organic matter soil remediation process. The device comprises a dust remover, an alkali spraying tower, a water replenishing port, a base, a dry filter, a water discharge pipe and an alkali liquor tank, wherein a wind inlet is formed in one side of the dust remover, a wind outlet is formed in the other side of the dust remover, a demisting layer is arranged at the upper end of the interior of the alkali spraying tower, a spraying layer is arranged below the demisting layer, supporting legs are arranged below the base, rolling wheels are arranged on the inner sides of the supporting legs, an induced draft fan is connected with a gas discharge cylinder, and the alkali liquor tank is connectedwith the alkali liquor inlet of the alkali spraying tower. According to the invention, the device is arranged to be an integral process device connected through the pipeline; and according to the technology, the technical modes of forced circulation absorption, low-temperature plasma reactor degradation and active carbon further adsorption are adopted, so that the problem that desorption waste gastreatment is incomplete in the soil remediation process is effectively solved.

Description

technical field [0001] The invention relates to the technical field of soil remediation production devices, in particular to a thermal desorption tail gas treatment process and device in the process of persistent organic matter soil remediation. Background technique [0002] In the invention, the thermal desorption tail gas in the thermal desorption treatment process in the soil remediation process is intensively treated, and the tail gas is discharged in an organized manner after meeting the secondary standard of the Discharge Standard of Odor Pollutants (GB14544-93). [0003] With the use of land chemical fertilizers and pesticides and the pollution of the environment, people are paying more and more attention to the protection of the land. At present, the soil restoration process only focuses on the soil restoration effect, and most of the tail gas generated during the restoration of the soil by the restoration equipment is not treated. , and are directly discharged into ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/52B01D53/32B01D53/44
CPCB01D53/32B01D53/44B01D53/52B01D53/78B01D2259/818
Inventor 郭英强刘永胜任景超郭效森
Owner CRYSTAL WATER & BLUE SKY ENVIRONMENTAL ENG
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