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Self-bleed kerosene pre-combustion cracking activation device and method for cavity flame stabilizer

A flame stabilizer and pre-combustion technology, applied in the aerospace field, can solve problems such as limited power and inability to meet the needs of large-flow fuel cracking, and achieve the effect of avoiding the danger of backfire and improving the efficiency of pre-combustion and cracking.

Active Publication Date: 2022-07-01
AIR FORCE UNIV PLA
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Problems solved by technology

[0004] Due to the limited power of the simple sliding discharge, it cannot meet the demand for pyrolysis of large-flow fuel in the ram combustion chamber, and further adjustment and optimization of the structure and parameters of the sliding arc pre-combustion cracking activation device are required.

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  • Self-bleed kerosene pre-combustion cracking activation device and method for cavity flame stabilizer
  • Self-bleed kerosene pre-combustion cracking activation device and method for cavity flame stabilizer
  • Self-bleed kerosene pre-combustion cracking activation device and method for cavity flame stabilizer

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Embodiment Construction

[0041] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0042] The invention provides a self-bleed fuel oil pre-combustion cracking activation device and method for a concave flame stabilizer. When pre-combustion and cracking activation of fuel oil, the device can switch between two modes of strong swirl flame support and sliding arc strong swirl flame coupling. The sliding arc strong swirl flame coupling mode in the present invention can be further amplified by coupling with the strong swirl flame, cracking and promoting evaporation through the thermal action of the strong swirl flame and the combined action of the sliding arc plasma, which greatly improves the And the effect of promoting cracking and evaporation.

[0043] like figure 1 As shown, the self-bleed fuel oil pre-combustion cracking activation device of the concave flame stabilizer is in the shape of a cylinder as a whol...

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Abstract

A self-entraining sliding arc plasma jet igniter for a concave flame stabilizer is provided, characterized in that the igniter is in the shape of a cylinder as a whole, and includes a lower plate (201) of a base of a pre-burning cracking activation device, a base plate of a pre-burning cracking activation device Base plate (202), pre-combustion cracking activation device shell (203), tangential air inlet (204), tangential fuel inlet (205), high voltage electrode (206), cylindrical electrode insulating base (207), axial Fuel inlet pipe (208) and fuel atomizing nozzle (209). Also provided is a self-bleed kerosene pre-combustion cracking activation device for a concave flame stabilizer and a self-bleed kerosene pre-combustion cracking activation method for a concave flame stabilizer. The invention improves the combustion efficiency of the concave flame stabilizer, widens the stable combustion range of the combustion chamber, has the characteristics of simple structure and strong stability, and can further provide activation and cracking effect through the compound action of sliding arc discharge.

Description

technical field [0001] The invention belongs to the technical field of aerospace, and particularly relates to a self-bleed fuel oil pre-combustion cracking activation device and method for a concave flame stabilizer. Background technique [0002] Sliding arc plasma is a non-equilibrium plasma generated by the heat loss cycle between two or more divergent electrodes with gradually increasing spacing under the action of gas flow. [0003] The swirling flame has the remarkable characteristics of flame stability, low lean burn limit, and many control parameters, and is widely used in industrial combustion design. The invention patent of applying swirl stagnation flame to the field of flame synthesis "An atomized flame nanoparticle synthesis system based on multi-swirl enhanced mixing" (publication number: CN207745881U), by designing tangential and axial precursors The feeding method realizes the co-regulation of the swirling gas fuel flame and the axial liquid fuel flame, and c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M27/04F23R3/28
CPCF02M27/042F23R3/286Y02T10/12
Inventor 崔巍吴云金迪宋慧敏贾敏
Owner AIR FORCE UNIV PLA
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