Non-uniform field strength plasma waste gas treatment device and treatment system

Abstract

The invention relates to an inhomogeneous field strength plasma waste gas processing apparatus and a processing system thereof. The processing system comprises a gas inlet tube, a packed tower, the processing apparatus, a centrifuge fan and an exhaust tube which are sequentially communicated, a plurality of plasma processing mechanisms are arranged in the plasma shell of the processing apparatus, each of the plasma processing mechanisms comprises a pedestal, an annular flange is arranged in the pedestal, the front and tail surfaces of the flange are connected with a ground electrode plate and a high-voltage electrode plate respectively, an air outlet and an insulation medium plate are arranged between the ground electrode plate and the flange, the front surface of the high-voltage electrode plate is provided with a plurality of pointed cones, the tips of the pointed cones are provided with through holes, the external surface of the ground electrode is provided with a first insulation layer, the tail surface of the high-voltage electrode plate is provided with a second insulation layer, the second insulation layer is provided with second through holes, and the high-voltage electrode plate and the ground electrode plates are connected with the high voltage terminal and the grounding terminal of a high-voltage power supply through electrode outgoing lines respectively. The apparatus and the system can generate high-density plasma under a low breakdown field strength, and can treat all the gas, prolong the action time of the gas and the plasma, and improve the processing efficiency.

Description

technical field [0001] The invention relates to a waste gas purification device, in particular to a non-uniform field strength plasma waste gas treatment device and a treatment system. Background technique [0002] With the development of the economy, the gaseous pollution produced in the field of industrial production, such as H 2 S, SO 2 , NO x 、VOC s problems are also becoming more and more serious. Relevant national laws and regulations and industry standards have strict restrictions on gas emission standards, and the control of polluted gases is the key to improving environmental quality. [0003] The traditional methods of controlling polluted gases include combustion method, adsorption method, biological method, membrane separation method, photocatalytic method and so on. The disadvantage of the combustion method is that it consumes more auxiliary fuel, wastes heat energy, and causes secondary pollution during incomplete combustion; High consumption, complex pro...

AI Technical Summary

Problems solved by technology

Due to the small discharge area, under the same flow rate, the interaction time between the gas and the plasma is short, the polluted gas fails to fully react or some gas is discharged with the tail gas without plasma treatment, and the treatment efficiency is low.

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