Low-temperature plasma-biological integrated reaction system for treating organic waste gas

A low-temperature plasma and reaction system technology, applied in the field of environmental pollution control, can solve problems such as no precise control.

Active Publication Date: 2020-07-17
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it does not affect the secondary pollutant O produced in the operation of low-temperature plasma 3 Propose control measures, which may have a negative impact on the proper functioning of the subsequent biological law
In addition, due to the sensitivity of microorganisms in the biodegradation system, this patent does not propose the precise control of various parameters of the technology during operation, which has positive significance for the long-term stability of the system

Method used

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  • Low-temperature plasma-biological integrated reaction system for treating organic waste gas

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Embodiment 1

[0039] The invention provides a low-temperature plasma-biological integrated reaction system for treating organic waste gas, including a gas path control unit, a low-temperature plasma reaction device, a process parameter monitoring auxiliary system, and a biological dripping filter reaction device, the gas path control unit and the low-temperature plasma The reaction device is connected, the low-temperature plasma reaction device is connected with the bio-trickling filtration reaction device, and the gas circuit control unit, the low-temperature plasma reaction device and the bio-trickling filtration reaction device are respectively connected with the process parameter monitoring auxiliary system.

[0040] The gas path control unit includes a three-way solenoid valve (1), a mass flow meter (2), a temperature sensor (7), a pressure drop sensor (8), and a gas leakage sensor (9); wherein, the three-way solenoid valve (1 ), mass flowmeter (2), temperature sensor (7), pressure drop...

Embodiment 2

[0052] The present invention also provides a method for using a low-temperature plasma-biological integrated reaction system for treating organic waste gas, comprising the following steps:

[0053] Step a, open the quartz tube (14) of the low-temperature plasma reaction device, fill catalyst therein, place the quartz tube (14) in the insulating layer (12) after the filling is completed, and open the gas outlet of the low-temperature plasma reaction device Coating Mn-Al in the wall of gas port (15) 2 o 3 Catalyst coating (29);

[0054] Step b, arrange packing to the packing layer (20) in the biotrickling filter (25), and add the configured nutrient solution at the same time; open the metering pump (23), and the biotrickling filter (25) adopts countercurrent operation, and the liquid The flow meter (24) controls the spraying amount of the nutrient solution and the absorbent, and the nutrient solution and the absorbent are sprayed into the packing layer (20) from the circulatin...

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Abstract

The invention discloses a low-temperature plasma-biological integrated reaction system for treating organic waste gas. The system comprises a gas circuit control unit, a low-temperature plasma reaction device, a process parameter monitoring auxiliary system and a biotrickling reaction device; the gas circuit control unit is connected with the low-temperature plasma reaction device, and the low-temperature plasma reaction device is connected with the biotrickling reaction device; the system integrates gas flow accurate control, low-temperature plasma efficient pretreatment and gas-liquid-solidthree-phase efficient reaction, and has the obvious advantages of controlling secondary pollution (O3), being high in control precision, excellent in safety performance, high in automation degree andthe like. According to the reaction system, the PLC is used for dynamically adjusting and automatically and accurately adjusting parameters such as discharge voltage and liquid-gas ratio according toreal-time data feedback, so that the pollutant treatment precision and efficiency can be effectively improved, the secondary pollution influence is solved, the operation cost and the system energy consumption are reduced, the automation of the system is realized, and the waste gas and pollutant treatment capacity is obviously improved.

Description

technical field [0001] The invention relates to the field of environmental pollution control, in particular to a low-temperature plasma-biological integrated reaction system for treating organic waste gas. Background technique [0002] With the introduction of the 2017 Air Pollution Prevention and Control Plan for the "2+26" cities, among the factors affecting air pollution, SO 2 , NO x The discharge of pollutants such as dust particles and dust particles has been decreasing year by year, but as PM 2.5 The emission of precursors and volatile organic pollutants (Volatile Organic Compounds, VOCs) that lead to photochemical smog phenomenon is increasing day by day. VOCs can cause photochemical smog and also generate PM 2.5 main precursors. It is the main pollution factor of exhaust emissions in petrochemical, painting, printing, electronic manufacturing, transportation and various chemical production processes. Organic waste gas treatment technologies are mainly divided in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/32B01D53/86B01D53/66B01D53/84B01D53/85B01D53/34
CPCB01D53/32B01D53/8675B01D53/66B01D53/84B01D53/85B01D53/346B01D2259/818B01D2257/708Y02A50/20
Inventor 刘楠蔡雅兰苏东宇李营营马闯赵继红
Owner ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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