Non-equilibrium thermodynamics plasma igniting and combustion-supporting device

A technology of thermodynamic balance and plasma, applied in the direction of combustion ignition, incandescent ignition, combustion method, etc., can solve the problems of unstable combustion and difficult ignition, achieve reliable ignition and stable combustion, simple structure and small volume
CN101761940AInactive Publication Date: 2010-06-30CENT FOR CLEAN ENERGY TECH OF SHANGHAI +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
CENT FOR CLEAN ENERGY TECH OF SHANGHAI
Publication Date
2010-06-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a non-equilibrium thermodynamics plasma igniting and combustion-supporting device, which comprises an inner electrode, an outer electrode, an insulating barrier medium and high-pressure AC power supply, wherein the inner electrode is a hollow metal pipe; the inner electrode passes through the inner metal pipe; the outer electrode is made from metal net; the insulating barrier medium is inserted between the inner electrode and the outer electrode, and is coaxially arranged with the inner electrode and the outer electrode; and the high-pressure AC power supply is connected with the outer electrode to apply AC voltage between the inner electrode and the outer electrode, so that gas in a gap between the inner electrode and the outer electrode is broken down. Compared with the existing plasma igniting device, the non-equilibrium thermodynamics plasma igniting and combustion-supporting device has the advantages that the temperature of the non-equilibrium plasma is low, the power consumption is low, the chemical activity is good, the temperature of the electrode is low, and the device can run for a long term without cooling.
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Description

technical field

[0001] The invention relates to the field of advanced combustion technology, in particular, it is a combustion-supporting device for improving the ignition performance, combustion efficiency and combustion stability of gas fuel, which can be used in aviation, chemical industry, power generation, metallurgy and other industries. In particular, it relates to a non-thermodynamic equilibrium plasma ignition and combustion-supporting device. Background technique

[0002] Some gaseous fuels with low calorific value are produced in the production process of chemical industry, petroleum industry and iron and steel industry. Taking blast furnace gas as an example, it is the associated gas produced in the ironmaking process, and contains combustible components CO, H 2 less, while the inert gas CO 2 , N 2 Many, calorific value is only 2.5 ~ 3.5MJ / Nm 3 . The problems encountered by gas turbines when burning blast furnace gas are: 1) low heat value makes ignition dif...

Claims

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