Charge engine injected with low-entropy mixed-combustion liquefied gas

A gas liquefied source and engine technology, which is applied to combustion engines, internal combustion piston engines, engine components, etc., can solve the problems of low heat transfer coefficient of liquefied gas, lack of wide application of engines, complex systems, etc.

Inactive Publication Date: 2012-08-01
ZEROQ SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the low heat transfer coefficient of liquefied gas and the complexity of the system, this type of engine has not been widely used.

Method used

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  • Charge engine injected with low-entropy mixed-combustion liquefied gas
  • Charge engine injected with low-entropy mixed-combustion liquefied gas
  • Charge engine injected with low-entropy mixed-combustion liquefied gas

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] like figure 1 The shown low-entropy mixed gas liquefied injection engine includes a gas liquefied source 1, a jet pump 2 and a working mechanism 3, and the gas liquefied source 1 and the jet pump power fluid injection port of the jet pump 2 201 communicates, the jet pump gas outlet 202 of the jet pump 2 communicates with the working medium inlet of the working mechanism 3, and the jet pump low-pressure gas inlet 203 of the jet pump 2 communicates with the atmosphere; the gas liquefied source 1 The gas liquefied substance in is set as liquid oxygen, and the pressure bearing capacity of the communication channel between the gas liquefied substance source 1 and the jet pump power fluid injection port 201 is greater than 3MPa; by adjusting the jet pump power fluid jet port The flow rate of the gas liquefied substance in 201 and / or the pressure of the gas in the gas liquefied substance, and the type and size of the jet pump 2 are adjusted so that the gas pressure in the jet ...

Embodiment 2

[0059] like figure 2 The shown low-entropy mixed gas liquefied injection engine includes a gas liquefied source 1, a jet pump 2 and a suction engine 4, the gas liquefied source 1 and the jet pump power fluid injection port of the jet pump 2 201 communicates, the jet pump gas outlet 202 of the jet pump 2 communicates with the working medium inlet of the suction engine 4, the gas liquefied matter in the gas liquefied matter source 1 is set as liquid nitrogen, and the gas liquefied matter The pressure bearing capacity of the communication channel between the source 1 and the jet pump power fluid injection port 201 is greater than 5 MPa; pressure, and adjust the type and size of the jet pump 2, so that the gas pressure in the jet pump gas outlet 202 of the jet pump 2 is greater than 3MPa.

[0060] Optionally, the suction engine 4 can be replaced by an explosive exhaust engine or a short-pressure gas-charged engine.

Embodiment 3

[0062] like image 3 The difference between the shown low-entropy mixed gas liquefied injection engine and that of Embodiment 1 is that a high-pressure fluid is provided on the communication channel between the gas liquefied source 1 and the jet pump power fluid injection port 201. Pump 7, the pressure bearing capacity of the communication channel between the gas liquefied source 1 and the jet pump power fluid injection port 201 is greater than 10MPa; And / or the pressure of the gas in the gas liquefied product, and adjust the type and size of the jet pump 2, so that the gas pressure in the jet pump gas outlet 202 of the jet pump 2 is greater than 8 MPa.

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PUM

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Abstract

The invention discloses a charge engine injected with low-entropy mixed-combustion liquefied gas, which comprises a liquefied gas source, a jet pump and a working mechanism. The liquefied gas source is connected with a dynamic fluid jet orifice of the jet pump, and a gas outlet of the jet pump is communicated with a working medium inlet of the working mechanism. The charge engine injected with low-entropy mixed-combustion liquefied gas has high working efficiency and can produce the liquefied gas by making use of valley electricity or an unstable power generation system, so that the utilization efficiencies of wind energy, solar energy and water resources can be improved.

Description

technical field [0001] The invention relates to the field of thermal energy and power, in particular to a low-entropy mixed gas liquefied injection engine. Background technique [0002] The research on using liquid nitrogen, liquid carbon dioxide and other liquefied gases as pneumatic engines and using the waste heat of internal combustion engines to provide heat for liquefied gases to improve the working ability of pneumatic engines has been carried out in many countries and research institutions. However, due to the low heat transfer coefficient of liquefied gas and the complexity of the system, this type of engine has not been widely used. For this reason, it is urgent to invent a novel high-efficiency engine utilizing liquefied gas with a more reasonable structure and widely used. Contents of the invention [0003] In order to solve the above problems, the technical scheme proposed by the present invention is as follows: [0004] A low-entropy mixed gas liquefied inj...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M25/00F02M25/10F02C3/30F02C3/24F02G5/02
CPCY02T10/166Y02T10/121Y02T10/12
Inventor 靳北彪
Owner ZEROQ SCI & TECH
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