Fuel gas engine branching gas inlet pressurizing device
A gas engine, air intake pressurization technology, applied in the direction of combustion engine, internal combustion piston engine, engine components, etc., can solve problems such as difficulty, explosion hazard, intake pipe tempering, etc., and achieve the effect of ensuring safety
Inactive Publication Date: 2020-08-28
西安科美动力科技有限公司
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Problems solved by technology
In the mixing method mentioned above, gas and air are mixed outside the cylinder head, especially in the mixing method before supercharging, air and gas are always mixed in the supercharger, intercooler and intake pipe. Due to the characteristics of gas fuel, There is a risk of backfire and explosion in the intake pipe. For some special gas fuels, such as gases with high hydrogen content, it is difficult to safely apply conventional supercharging technology to gas engines.
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[0013] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0014] The purpose of the present invention is to provide a gas engine split supercharging technology, including a gas supercharger and an air supercharger, a gas intercooler and an air intercooler, and utilizes the exhaust energy of the engine to provide pressurized air for the gas engine and gas. The supercharging device reasonably matches the ratio of gas and air, and has high efficiency.
[0015] refer to figure 1 , a gas engine split intake supercharging device according to the present invention includes a turbocharger, an intercooler, an intake pipe and an exhaust pipe 2, and the turbocharger includes a...
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The invention discloses a fuel gas engine branching gas inlet pressurizing device. The device comprises a turbocharger, an intercooler, gas inlet pipes and a gas exhaust pipe; the turbocharger comprises an air supercharger and a fuel gas supercharger which are of different specifications and models; the intercooler comprises a fuel gas intercooler which is provided with anti-gas-corrosion functionand an air intercooler which is used for lowering the temperature of compressed air; an air inlet pipe communicates with the air supercharger and the air intercooler respectively in sequence; a fuelgas inlet pipe communicates with the fuel gas supercharger and the fuel gas intercooler respectively in sequence; and the air inlet pipe and the fuel gas inlet pipe further communicate with an air cylinder lid. The fuel gas engine branching gas inlet pressurizing device realizes separated fuel gas and air pressurization, is different from common pre-pressurizing hybrid fuel gas engine, solves theproblem of tempering in the gas inlet pipes of a fuel gas engine, and improves operation safety of the fuel gas engine.
Description
technical field [0001] The invention relates to the technical field of gas engine air intake supercharging, in particular to a gas engine branch air intake supercharging device. Background technique [0002] At present, gas engines mainly adopt turbocharging, gas supercharging and mixing mode, mainly including pre-supercharging mixing mode. The typical feature is that there is a mixer in front of the gas engine supercharger. After the air and gas are mixed, they are pressurized The booster is pressurized and then enters the cylinder. There is a post-supercharging hybrid method. The typical feature is that the turbocharger only pressurizes air, and the mixer is installed after the supercharger, and the gas and air are mixed after supercharging. There is also an intake pipe injection method, and high-pressure gas is injected into the intake manifold through the gas injection valve. In the mixing method mentioned above, gas and air are mixed outside the cylinder head, especia...
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IPC IPC(8): F02B37/007F02M21/02F02B29/04
CPCF02B29/0412F02B37/007F02M21/0239F02M21/0245F02M21/0296Y02T10/12Y02T10/30
Inventor 赵亮
Owner 西安科美动力科技有限公司