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Small-sized annular combustion chamber with high-capacity heat intensity

A technology of annular combustion chamber and heat intensity, which is applied in the direction of combustion chamber, continuous combustion chamber, combustion method, etc., can solve the problems of low heat capacity intensity, large size and weight of combustion chamber, etc., to improve heat capacity intensity and reduce volume , to ensure the effect of uniformity

Active Publication Date: 2012-03-21
BEIJING POWER MACHINERY INST
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to at least solve one of the above-mentioned technical defects, especially to solve the defects of large size and weight of the combustion chamber and low heat capacity

Method used

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  • Small-sized annular combustion chamber with high-capacity heat intensity
  • Small-sized annular combustion chamber with high-capacity heat intensity
  • Small-sized annular combustion chamber with high-capacity heat intensity

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Embodiment Construction

[0020] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0021] Such as figure 1 As shown, it is a structural diagram of a small-sized annular combustion chamber with high heat capacity strength according to an embodiment of the present invention. The small-sized annular combustor with high heat capacity includes a combustor casing 1 , an oil flinger 2 , an oil supply assembly 3 , an outer flame tube 4 , an inner flame tube 5 , a high-pressure turbine guide 6 and an igniter 7 . Wherein, the way of oil supply outside the shaft is adopted, the oil supply assembly is fixed on the combustion cham...

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Abstract

The invention discloses a small-sized annular combustion chamber with high-capacity heat intensity, which comprises a combustion chamber casing, an oil supply component, an outer flame tube, an inner flame tube, a high-pressure turbine guider, an oil thrower wheel and an igniter, wherein the oil supply component is fixed on the combustion chamber casing; and the outer flame tube, the inner flame tube and the high-pressure turbine guider are fixedly connected with the combustion chamber casing. As an oil thrower wheel type baffling combustion chamber is adopted by the annular combustion chamber, and a radial combustion way is used, the axial size of the combustion chamber can be reduced, the size of the combustion chamber is reduced, and the heat capacity intensity of the combustion chamber can be effectively improved.

Description

technical field [0001] The invention relates to the technical field of aerospace machinery design and manufacture, in particular to a small-sized annular combustion chamber with high heat capacity and strength. Background technique [0002] The heat capacity of the combustion chamber is defined as the heat released per hour by the combustion of fuel per unit volume in the combustion chamber under unit pressure, which is an indicator of the compactness of the combustion chamber. The high heat capacity indicates that the volume of the combustion chamber required to burn the same flow of fuel is small, so it is small in size and light in weight. In small gas turbine engines, a baffled combustor with an oil flinger is usually used in order to reduce the size of the combustor and increase its heat capacity. In this kind of combustion chamber, the fuel is supplied to the main shaft of the engine and flows to the oil throwing pan installed on the main shaft. . It can ensure good...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23R3/52F23R3/28F23R3/42
Inventor 于锦峰周玉珍王云雷
Owner BEIJING POWER MACHINERY INST
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