Device for preparing synthetic gas by virtue of non-thermal arc plasma pyrolysis of coal

Abstract

The invention discloses a device for preparing synthetic gas by virtue of non-thermal arc plasma pyrolysis of coal. The device comprises a non-thermal arc plasma reactor and a high-voltage power supply for supplying power to the plasma reactor, wherein the non-thermal arc plasma reactor mainly comprises a quartz container, an upper polytetrafluoroethylene flange, a lower polytetrafluoroethylene flange, a tip graphite electrode, a flat graphite electrode and a ceramic crucible. Coal is crushed and loaded into the plasma reactor, a carrier gas is introduced, the high-voltage power supply is started and thus the plasma reactor begins to work; the carrier gas between the electrodes is broken down and ionized by virtue the high voltage to form non-thermal arc plasma and coal in the plasma region is subjected to pyrolysis reaction under the actions of high-energy electrons, free radical active substances and an electric field to produce solid carbon residues and hydrogen-enriched synthetic gas. By the device, the process for preparing synthetic gas from coal can be completed according to the actual requirements and the device has the characteristics of wide adaptability of raw materials and low investment cost and can be used in production of chemical synthetic gas and civil fuel gas, industrial furnace kiln fuel gas and power generation fuel gas.

Description

technical field [0001] The invention relates to coal-to-gas technology, in particular to a non-thermal arc plasma pyrolysis coal-to-synthesis gas device. Background technique [0002] The demand for energy and the improvement of the environment are two major issues, and the environmental hazards caused by the process of energy generation are one of the core environmental issues in our country. The pattern of China's primary energy being dominated by coal will not change for a long time. The inefficient use of coal has not only caused waste of raw materials but also caused secondary pollution of the environment. It is imperative to develop clean coal technology suitable for my country's national conditions. Plasma pyrolysis coal gas is a clean coal technology with low carbon, low resource consumption, and short process. At present, the high-temperature arc plasma device is mainly used, which requires large investment and high operation and maintenance costs. Contents of the...

AI Technical Summary

Problems solved by technology

Plasma pyrolysis coal gas is a clean coal technology with low carbon, low resource consumption, and short process. At present, the high-temperature arc plasma device is mainly used, which requires large investment and high operation and maintenance costs.

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