A fuel supply system for a gas engine
A technology for fuel supply system and gas engine, which is applied to gas engine fuel, charging system, fuel oil system, etc., can solve problems such as explosion and safety hazards, and achieve the effect of improving safety performance and preventing gas accumulation.
Active Publication Date: 2020-09-08
GUANGZHOU DIESEL ENGINE FACTORY
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Problems solved by technology
[0003] The gas valve unit, engine and pipeline are generally arranged in a closed space. Therefore, during the gas transportation process, if there is gas leakage, it will accumulate in this closed space. When the concentration of the leaked gas is high, it may also cause an explosion. , there is a greater security risk
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[0021] refer to Figure 1 ~ Figure 4 , the present invention is a fuel supply system for a gas engine, comprising a gas valve unit 1 for distributing gas and a pipeline 3 connecting the gas valve unit 1 and the engine 2, the gas valve unit 1 includes a sealed cavity with an inner cavity Box 11 and the gas distribution pipeline arranged in the sealed box 11. The gas distribution pipeline is provided with a natural gas inlet 12, an air inlet 13 and a number of gas outlets communicating with the outside world. The pipeline 3 is a number of double-layer sleeves, each double-layer casing The tubes all include an inner tube 31 and an outer tube 32 nested with each other. The inner tube 31 is a gas channel 33, and the inner tube 31 and the outer tube 32 are an air channel 34. Each gas channel 33 is connected to the gas output port 14 and The fuel gas input port of engine 2, one end of each air channel 34 all communicates with described inner cavity, and the other end of each air chan...
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The invention discloses a fuel supply system for a gas engine. The fuel supply system for the gas engine comprises a gas valve element unit and a pipeline connecting the gas valve element unit with the engine, wherein the pipeline comprises an inner pipe and an outer pipe which are mutually nested; gas channels are formed in the inner pipe; air channels are formed between the inner pipe and the outer pipe; each gas channel is connected with a gas output port of the gas valve element unit and a gas input port of the engine; the two ends of each air channel communicate with the gas valve elementunit and external air separately; and an exhaust fan exhausting gas in a sealed box is further arranged. In a gas conveying process, the exhaust fan enables gas in the air channels to be always in aflowing state by exhausting air in the sealed box, and even if gas leakage occurs in the gas channels in a gas distribution pipeline or a double-layer casing pipe in the gas valve element unit, the leaked gas is rapidly discharged by the exhaust fan through the air channels, so that the safety performance is improved; and the fuel supply system for the gas engine is used in the field of engines.
Description
technical field [0001] The invention relates to the field of engines, in particular to a fuel supply system for a gas engine. Background technique [0002] The current engine gas supply mainly mixes natural gas and air through the gas valve unit, and then transports it to the engine through pipelines. [0003] The gas valve unit, engine and pipeline are generally arranged in a closed space. Therefore, during the gas transportation process, if there is gas leakage, it will accumulate in this closed space. When the concentration of the leaked gas is high, it may also cause an explosion. , there is a greater security risk. Contents of the invention [0004] The object of the present invention is to provide a gas engine fuel supply system with simple structure and high safety performance. [0005] The technical scheme that the present invention takes is: [0006] A fuel supply system for a gas engine, comprising a gas valve unit for distributing gas and a pipeline connectin...
Claims
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IPC IPC(8): F02M21/02F02B43/00
CPCF02B43/00F02M21/0242F02M21/0293Y02T10/30
Inventor 张巧亮冯盛宝赵旭覃盛戎
Owner GUANGZHOU DIESEL ENGINE FACTORY