High-frequency AC rotating sliding arc discharging plasma generating system for methane dry reforming

Abstract

A high-frequency AC rotating sliding arc discharging plasma generating system for methane dry reforming belongs to the technical field of atmosphere discharging plasma source base and application. Thesystem comprises a gas distributing device, a electric discharging device, an electrical characteristic detecting device, a high-frequency AC power supply and a product analysis device. The electricdischarging device comprises a spiral glass tube, a high-voltage electrode, a low-voltage electrode and a glass cover. The spiral glass tube sleeves the lower part of the high-voltage electrode. The low-voltage electrode sleeves the high-voltage cover and is sealed in the glass cover. The high-voltage electrode is manufactured to the conical electrode. The top angle of the electrode is 30-60 DEG.The low-voltage electrode is manufactured to a cylindrical electrode. The low-voltage electrode is higher than the high-voltage electrode by + / -20mm. The smallest clearance between the high-voltage electrode and the low-voltage electrode is 2mm. The system optimizes the high-voltage electrode top angle and the relative height of the high-voltage electrode and the low-voltage electrode in a rotating slicing arc discharging plasma generating device. Furthermore a gas inlet mode with a spiral glass tube is utilized. A high-frequency AC power supply is used as an exciting power supply. Electrode structure parameters with best reforming effect are obtained.

Description

technical field [0001] The invention relates to a high-frequency AC rotary sliding arc discharge plasma generation system for methane dry reforming, and belongs to the technical field of atmospheric pressure discharge plasma source foundation and application. Background technique [0002] Rotating sliding arc discharge has received extensive attention from researchers in the fields of methane dry reforming and carbon dioxide decomposition. At present, the research work on plasma generation method of atmospheric pressure rotating sliding arc discharge mainly focuses on two aspects of electrode structure and excitation power supply. The electrode structure will directly affect the spatial distribution of the electric field, and then affect the discharge form, state and plasma intensity. Different excitation power supplies have different voltage waveforms, such as DC voltage, AC voltage, high-frequency voltage, pulse voltage, etc. By adjusting the voltage waveform to adjust t...

AI Technical Summary

Problems solved by technology

Although the magnetic field can effectively form a rotating sliding arc, the cost of the magnet is high, and it places a heavy burden on the discharge device

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