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Wet washing device and cooling method during flue gas washing

A wet scrubbing and flue gas technology, which is applied in the field of flue gas purification, can solve the problems of poor cooling effect, low reliability and high flue gas temperature of accident spray devices, and achieves the elimination of thermal insulation materials and the effect of atomization. Good, small spray volume effect

Pending Publication Date: 2021-12-03
EVERBRIGHT ENVIRONMENTAL TECH CHINA CO LTD +1
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  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The embodiment of the present invention provides a wet scrubbing device and a cooling method for flue gas scrubbing, to at least solve the problem of relatively high flue gas temperature entering the wet scrubbing tower in the related art and the poor and reliable cooling effect of the accidental spraying device. low sex problem

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  • Wet washing device and cooling method during flue gas washing

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Embodiment Construction

[0023] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0024] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence.

[0025] See figure 1 , The embodiment of the present invention provides a wet scrubbing device, which is used for wet deacidification and whitening of garbage incineration. The wet scrubbing device includes a smoke cleaning circulation system 1 , a dehumidification circulation system 2 and an inlet spraying system 3 . The flue gas is cooled by the inlet spray system 3, washed by the smoke washing circulation system 1 and dehumidified by the dehumidifica...

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Abstract

The invention provides a wet washing device and a cooling method during flue gas washing, the wet washing device comprises a flue gas washing circulating system and a dehumidification circulating system, the flue gas washing circulating system is used for washing flue gas, the dehumidification circulating system is used for dehumidifying the flue gas, the wet washing device further comprises an inlet spraying system, the inlet spraying system comprises a water tank, a spraying liquid conveying pipeline, a spraying piece and an inlet flue, the water tank is connected with the spraying liquid conveying pipeline, the spraying liquid conveying pipeline is connected with the spraying piece, and the spraying piece extends into the inlet flue for spraying. When the wet washing device is used for washing the flue gas, the flue gas is sprayed to the inlet flue through the inlet spraying system so as to reduce the heat of the flue gas.

Description

technical field [0001] The invention relates to the technical field of flue gas purification, in particular to a wet scrubbing device and a cooling method during flue gas scrubbing. Background technique [0002] In the current wet deacidification technology used in waste incineration plants, the original flue gas can only be cooled after entering the scrubber from the inlet flue. Due to the uneven gas flow field and insufficient gas-liquid contact, the high-temperature flue gas enters the scrubber After that, it is difficult to be cooled completely immediately, and there is still a local high temperature area in the lower part of the washing tower; high temperature will reduce the efficiency of the deacidification reaction, and will also reduce the solubility of the absorbent in the absorption liquid to promote salt crystallization. In addition, the lower cylinder of the washing tower generally needs to be lined Insulation materials such as fire-resistant flint or refractory...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78
CPCB01D53/78B01D2258/0283
Inventor 王丽霞沈宏伟赵栗吴穹侯霞丽钱琨郭无双徐丽婷
Owner EVERBRIGHT ENVIRONMENTAL TECH CHINA CO LTD
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