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Safety protection control method for degrading organic waste gas through low-temperature plasma

A low-temperature plasma, organic waste gas technology, applied in separation methods, electrical program control, program control and other directions, can solve problems such as low safety factor

Inactive Publication Date: 2015-03-25
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is the problem of low safety factor in the prior art, and a new safety protection control method for low-temperature plasma degradation of organic waste gas is provided

Method used

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  • Safety protection control method for degrading organic waste gas through low-temperature plasma

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Embodiment 1

[0018] Such as figure 1 As shown, the organic waste gas enters the low-temperature plasma equipment 4 and is degraded and then discharged through the centrifugal fan 5. An online total hydrocarbon analyzer 2 is provided on the organic waste gas inlet pipeline 6 of the low-temperature plasma 4, and the online total hydrocarbon analyzer 2 pairs with the plasma equipment. 4 The concentration of organic waste gas at the entrance is monitored in real time, and the monitoring data is sent to the control system 1 through a wired signal transmission device. The upper limit of the safe concentration and the safe time of the concentration are set through the touch screen module 3 and transmitted to the control system 1. The real-time monitoring data of the concentration of organic waste gas is compared with the upper limit of the safe concentration. When the concentration of the inlet organic waste gas is higher than the upper limit of the safe concentration for a duration exceeding the ...

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Abstract

The invention relates to a safety protection control method for degrading organic waste gas through low-temperature plasma. The method mainly solves the problem that the safety coefficient is low in the prior art. According to the safety protection control method for degrading the organic waste gas through the low-temperature plasma, an online total hydrocarbon analyzer is arranged on an organic waste gas inlet pipeline of the low-temperature plasma and used for monitoring the concentration of the organic waste gas in an inlet of plasma equipment in real time, monitored data are sent to a control system, a safety concentration upper limit and concentration safety time are set through a touch screen module and transmitted to the control system, the control system compares the real-time monitored data of the concentration of the organic waste gas with the safety concentration upper limit, and when duration in which the concentration of the organic waste gas in the inlet is higher than the safety concentration upper limit exceeds the safety time, the control system transmits signals to make the low-temperature plasma equipment stop working. By the adoption of the technical scheme, the problems are well solved, and the method can be used for safety protection control for degrading the organic waste gas through the low-temperature plasma.

Description

technical field [0001] The invention relates to a safety protection control method for degrading organic waste gas by low-temperature plasma. Background technique [0002] Volatile organic pollutants (VOCs) are important air pollutants, which can cause problems such as photochemical smog in the atmosphere. Most of the VOCs are toxic and irritating, and have certain damage to human health and the ecological environment. Developing economical, Efficient and stable VOCs degradation technology is currently a hot spot in the field of environmental governance. [0003] Low-temperature plasma technology is an effective VOCs degradation technology developed in recent years. The high-energy electrons and active free radicals (O, OH, O 3 etc.) can efficiently react with pollutant molecules, which decompose in extreme time to form short-chain by-products or uncontaminated water and CO 2 , especially for odorous pollutants with short molecular chains, such as mercaptans and thioethers...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/04B01D53/32
CPCG05B19/048B01D53/32
Inventor 余利群郭亚逢
Owner CHINA PETROLEUM & CHEM CORP
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