Gas-liquid mixed type low-temperature plasma generator and integrated device

Abstract

The invention discloses a gas-liquid mixed type low-temperature plasma generator. A cathode is in a rod shape and is mounted in a sealed cathode tube. An anode is annular and is mounted in sealed anode tubes. The anode tubes are mounted on ventilating supports which are fixed to the middle of the cathode tube, and through air inlet ducts are arranged on the ventilating supports. The upper end of the cathode tube protrudes out of the anode, and the lower end of the cathode tube is connected with a high-voltage pulse power source through a wire. The inner anode tube and the outer anode tube are arranged on the inner side and the outer side of the anode. The cathode tube, the inner anode tube and the outer anode tube are all made of quartz. Gas to which atomized liquid is added is introduced into a discharging area between the cathode and the anode. According to the gas-liquid mixed type low-temperature plasma generator and an integrated device, organic matter hard to degrade in oil and gas field produced water and operating waste water can be fast and effectively degraded, industrial large-scale production can be achieved, and the advantages of being small in size, low in weight, easy to operate, free of maintenance, low in operating cost and the like are achieved.

Description

technical field [0001] The invention relates to a low-temperature plasma generator, in particular to a gas-liquid hybrid low-temperature plasma generator integrated device for treating organic matter difficult to biodegrade in oil and gas field produced water and operational wastewater. Background technique [0002] With the depletion of water resources and the deterioration of the ecological environment, the development of the oil and gas field mining industry and the petrochemical industry has been severely restricted. Therefore, the advanced treatment of oil and gas field produced water and operational wastewater is particularly urgent. [0003] At present, the treatment methods for refractory biodegradable organic matter in wastewater mainly include: [0004] Fenton oxidation technology: is the Fe 2+ and H 2 o 2 The combination will generate hydroxyl radical HO, which reacts with pollutants to degrade organic matter and eventually generate CO 2 and H 2 O. Its techn...

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Problems solved by technology

[0012] However, the above methods are mostly unsatisfactory for the degradation of organic matter in oil and gas field produced water and operational wastewater. The main reason is that oil and gas field produced water and operational wastewater are mostly high-salt water, and common treatment methods are not suitable for high-salt environments.

There are problems such as low degradation efficiency, difficulty in meeting standards, and inability to carry out industrial scale production.

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