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Sliding discharge reactor for ignition and combustion assistance

An auxiliary combustion and reactor technology, which is applied in the aerospace field, can solve problems such as increased device complexity, unfavorable popularization and application, and insufficient combustion, and achieve the effects of improving combustion efficiency, simple device structure, and easy-to-use products

Inactive Publication Date: 2016-01-06
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] Although the above-mentioned method and device have the effect of auxiliary combustion, the fuel combustion efficiency of the above-mentioned device is not high, and the combustion is not sufficient. Most of them are improved from the device. Although the efficiency has increased, the complexity of the device has also increased a lot. , the operation and maintenance costs are high, which is not conducive to popularization and application

Method used

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  • Sliding discharge reactor for ignition and combustion assistance
  • Sliding discharge reactor for ignition and combustion assistance

Examples

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Embodiment 1

[0041] Example 1, such as figure 1 As shown, a sliding discharge reactor for ignition and auxiliary combustion according to the first embodiment of the present invention includes a combustion chamber, a gas path, an electric circuit, and the like. The combustion chamber is composed of a first sliding discharge electrode 101 , a second sliding discharge electrode 102 , a cross four-way tubular insulating device 2 , a combustion area 3 , adhesive glue 4 and an arcing end 5 . The gas from the gas source 9 passes through the gas flowmeter 10 and enters the combustion chamber through the air inlet 201 . The circuit is composed of a plasma excitation power supply 6 , a high voltage terminal 7 , a ground terminal 8 , a first sliding discharge electrode 101 , and a second sliding discharge electrode 102 . The combustible gas can be ignited and assisted by turning on the plasma excitation power supply 6 and the gas source 9 .

[0042]The cross cross four-way tubular insulating device...

Embodiment 2

[0049] Example 2, such as figure 2 As shown, a sliding discharge reactor for ignition and auxiliary combustion of the second embodiment of the present invention is different from the first embodiment in that it also includes a first heat-resistant insulating device 11 and a second heat-resistant insulating device 12. The first heat-resistant insulating device 11 is a cavity with one end closed, and the discharge end of the first sliding discharge electrode 101 is inserted into the first heat-resistant insulating device 11 . The second heat-resistant insulating device 12 is a cavity with one end closed, and the discharge end of the second sliding discharge electrode 102 is inserted into the second heat-resistant insulating device 12 . The first heat-resistant insulating device 11 and the second heat-resistant insulating device 12 can perform dielectric barrier discharge (DBD). Since the dielectric barrier discharge has good uniformity and other characteristics, it can also be...

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Abstract

The invention discloses a sliding discharge reactor for ignition and combustion assistance. The sliding discharge reactor for ignition and combustion assistance comprises a crossed four-way tubular insulating device, a pair of sliding discharge electrodes, a combustion area, an arcing end, a plasma excitation power supply and an air source. The crossed four-way tubular insulating device is formed by two tubular crosses. The pair of sliding discharge electrodes are installed at electrode installation ports through glue. The combustion area is located between the intersection and an air outlet. The arcing end is located between the pair of sliding discharge electrodes. The plasma excitation power supply is connected to one end of one sliding discharge electrode through a wire. The air source is connected with a gas flow meter. The sliding discharge reactor for ignition and combustion assistance has the beneficial effects that a sliding arc generated by a pin-pin discharging device is used for discharging, and proper heat-resistant glass pipes are additionally arranged on all pin electrodes respectively to form strong media for preventing discharge; the reactor is simple and can be applied to the position where gas combustion air inlet is connected with an engine, the ignition time is shortened, the contact area is increased, and fuel combustion is accelerated; due to the fact that plasma generated through sliding discharge has high electron density, fuel combustion efficiency can be effectively improved.

Description

technical field [0001] The invention relates to the field of aerospace technology, in particular to a sliding discharge reactor for ignition and auxiliary combustion. Background technique [0002] With the rapid development of aerospace technology, the core component engine has higher and higher requirements for the stability and efficiency of fuel combustion. Plasma-assisted combustion is a new technology emerging in the field of space technology in recent years, and non-equilibrium low-temperature plasma has shown great potential advantages in this field. Low-temperature plasma contains a large number of different types of active particles, such as electrons, various excited molecules, and free radicals. The small ignition delay makes the fuel burn fully and improves the fuel utilization rate. On the other hand, the plasma generated by the discharge can disturb the gas flow field, increase the turbulence of the gas flow, and increase the contact area of ​​combustion, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02P23/04F02M27/04
CPCY02T10/12
Inventor 章程牛宗涛邵涛严萍王瑞雪
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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