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Regenerative cooling system and method based on deep cracking reaction flow of hydrocarbon fuel

A cracking reaction, hydrocarbon fuel technology, applied in the direction of turbine/propulsion fuel delivery system, charging system, combustion method, etc., can solve the problems of blocked microchannels, undeclared fuel coking and deposition treatment, etc., to achieve strong adaptability and maintenance System reliability, effect of inhibiting coke deposition

Pending Publication Date: 2021-02-19
BEIJING POWER MACHINERY INST
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Problems solved by technology

[0003] Publication No. CN 106322436 A's Chinese patent has the disadvantages of: how to deal with the coking deposition of fuel oil in the pyrolysis process is not stated, the literature [Journal of Aerodynamics, 2013, 28 (4): 832-837] and [Journal ofEngineering for Gas Turbines and Power, 2001, 123:741-746] mentioned that hydrocarbon fuels (fuel oils) are prone to coking at high temperatures, and coking will block microchannels, so it is necessary to treat the high-temperature coking deposits of fuel oils , to ensure the normal operation of the regenerative cooling system

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  • Regenerative cooling system and method based on deep cracking reaction flow of hydrocarbon fuel

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Embodiment Construction

[0035] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0036] The invention provides a hydrocarbon fuel deep cracking regeneration cooling system and method, on the one hand, the hydrocarbon fuel can be operated at a higher temperature, and the advantages of the chemical heat sink of the hydrocarbon fuel can be fully utilized; on the other hand, coke deposition can be effectively prevented to maintain The cooling channel works normally. At the same time, a cyclone separator is installed at the outlet of the cooling channel to separate the coke particles in the high-temperature gas to ensure the stable operation of the subsequent system.

[0037] figure 1 The system composition is given. The regenerative cooling system based on the deep cracking reaction flow of hydrocarbon...

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Abstract

The invention relates to a regenerative cooling system and method based on deep cracking reaction flow of hydrocarbon fuel, and belongs to the technical field of regenerative cooling. Chemical heat sink of the hydrocarbon fuel can be utilized to the maximum extent, so that the wall surface cooling process under the extreme heat flow condition is achieved in a limited manner; coking deposition of the hydrocarbon fuel is effectively inhibited, coke particles can be discharged out of the system, the reliability of the system is maintained, and the risk that coke blocks a fuel pipe is completely eliminated; the system is high in adaptability, can be suitable for any object adopting the hydrocarbon fuel as an active cooling medium, and is high in reliability.

Description

technical field [0001] The invention belongs to the technical field of regenerative cooling, and in particular relates to a regenerative cooling system and method based on hydrocarbon fuel deep cracking reaction flow. Background technique [0002] An endothermic reaction of hydrocarbon fuel - "deep cracking reaction" is expected to be an effective means to solve the problem of overheating of the combustion chamber wall. This technology can cool the high-heat wall without adding additional equipment. It is an extremely Promising regenerative cooling technology. The Chinese patent with the publication number CN 106322436 A discloses a micro-combustor with micro-channel regenerative cooling. By laying fuel micro-channels on the hot wall of the combustion chamber, the effective cooling of the wall of the combustion chamber is realized. The thermal cracking reaction generates small molecular combustible gas, which effectively improves the ignition performance. [0003] Publicat...

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Application Information

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IPC IPC(8): F23G5/027F23G5/44F23J15/02F02C7/22
CPCF23G5/027F23G5/44F23G5/444F23J15/022F02C7/22
Inventor 刘小勇张枭雄任鑫李煜胡申林郭金鑫
Owner BEIJING POWER MACHINERY INST