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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

Inactive Publication Date: 2010-06-30
CENT FOR CLEAN ENERGY TECH OF SHANGHAI +1
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a non-thermodynamic equilibrium plasma ignition and combustion-supporting device to solve the technical problems of difficult ignition and unstable combustion when gas turbines burn low calorific value gases

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  • Non-equilibrium thermodynamics plasma igniting and combustion-supporting device

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Embodiment Construction

[0021] The following is based on Figure 1 to Figure 6 , a preferred embodiment of the present invention is given and described in detail, so that the functions and features of the present invention can be better understood.

[0022] figure 1 It is a schematic diagram of the structure of the non-thermodynamic equilibrium plasma ignition and combustion-supporting device of the present invention, which shows the quartz glass tube 1 in the ignition and combustion-supporting device, the inner electrode 2, the outer electrode 3, the flange 4, the sleeve 5, and the asbestos filler 6 , Gasket 7, air inlet groove 8 (referring to Fig. 2 for the specific structure of air inlet groove 8), base 9, leg 10, air inlet nozzle 11, fuel inlet 12, air inlet 13, high voltage lead wire 14 and ground wire 15.

[0023] The quartz glass tube 1 stands vertically above the air inlet groove 8, and a gasket 7 is put on the bottom to prevent it from sliding laterally. A lot of asbestos ropes 6 are fille...

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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.

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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Application Information

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IPC IPC(8): F23Q7/10
Inventor 张宏武胡宏斌房爱兵徐纲黄伟光
Owner CENT FOR CLEAN ENERGY TECH OF SHANGHAI
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