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Low-emission combustion chamber head part with oil way automatic regulating valve structure

A technology of automatic regulating valve and regulating valve, which is applied in the direction of combustion chamber, continuous combustion chamber, combustion method, etc., to achieve the effects of low emission, reducing the number of accessories, and changing the structure

Active Publication Date: 2019-01-18
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to ensure that the fuel oil has a higher atomization quality under different working conditions to achieve the purpose of low-pollution combustion

Method used

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  • Low-emission combustion chamber head part with oil way automatic regulating valve structure
  • Low-emission combustion chamber head part with oil way automatic regulating valve structure
  • Low-emission combustion chamber head part with oil way automatic regulating valve structure

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Embodiment Construction

[0024] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] Such as figure 1 , figure 2 , image 3 As shown, it is a low-emission combustor head with an oil circuit automatic regulating valve structure described in the embodiment of the present invention. The general oil pipeline is adopted to automatically supply oil to the three oil circuits simultaneously. The combustion stage consists of two parts, among which the pre-combustion stage is a double oil circuit nozzle. Mainly composed of oil rod 1, pre-combustion stage main oil circuit regulating valve 2, pre-combustion stage cyclone 3, pre-combustion stage auxiliary oil circuit centrifugal nozzle 4, inter-stage section 5, inter-stage section connecting section 6, main combustion stage sleeve The barrel 7, the main fuel stage cyclone 8, and the main fuel stage oil circuit regulating valve 9 are composed. Among them, the oil rod 1 , the in...

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Abstract

The invention discloses a low-emission combustion chamber head part with an oil way automatic regulating valve structure. Design of a main oil pipeline simultaneously and automatically supplying oil to three oil ways is adopted in the head part; the head part consists of a pre-combustion level and a main combustion level, and the pre-combustion stage is a double oil way spray nozzle. Under a working condition of low power, oil supply pressure is small, and the main oil pipeline separately supplies oil to a pre-combustion level auxiliary oil way so as to ensure atomization quality; under a working condition of middle power, oil supply pressure is increased, a spring valve of a pre-combustion level main oil way is opened and oil supply is started; under a working condition of large power, oil pressure is further increased, a spring valve of a main combustion level oil way is opened and oil supply is started; the design of automatic three oil way adjustment in the heat part can help ensure a simple structure of a combustion chamber, and a wide fuel oil flow adjustment scope can be realized; high flame stability, low emission and other properties of the combustion chamber can be ensured under different working conditions.

Description

technical field [0001] The invention relates to the technical field of the head of a low-emission combustion chamber, in particular to a head of a low-emission combustion chamber with an automatic oil circuit regulating valve structure. Background technique [0002] Economy, comfort, safety and environmental protection are the eternal pursuit of today's civil aviation development. Environmental protection is reflected in the most direct requirements of aero-engines, which are lower and lower fuel consumption and pollutant emissions. Pollution emission is an important indicator of civil aviation engine airworthiness certification, and low-emission combustors have become a threshold technology for various aircraft engines to enter the international market. The combustion chamber is again the only source of engine pollutant emissions. [0003] The International Civil Aviation Organization (ICAO) specifies the operating modes in the takeoff and landing cycle (Landing and Take-o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23R3/28
CPCF23R3/286
Inventor 林宇震代坤坤王志超张弛王建臣
Owner BEIHANG UNIV
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