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Comprehensive energy recycling system based on liquefied natural gas automobile

A technology of liquefied natural gas and natural gas, applied in the field of comprehensive energy recovery and utilization system, can solve problems such as heat emission, and achieve the effects of reducing power consumption, improving power output capacity and energy utilization efficiency, large economic benefits and social benefits

Inactive Publication Date: 2013-03-27
深圳市开迩文科技有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, the current typical internal combustion engine can only convert about one-third of the heat energy released by fuel combustion into effective work output, while the rest of the heat is discharged to the environment by engine coolant and exhaust gas

Method used

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  • Comprehensive energy recycling system based on liquefied natural gas automobile

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Embodiment Construction

[0018] The present invention is described in further detail below in conjunction with accompanying drawing:

[0019] see figure 1 , a comprehensive energy recovery and utilization system based on liquefied natural gas vehicles, including an LNG fuel tank 1, the outlet of the LNG fuel tank 1 is connected to the inlet of the flow control valve V1 through a high vacuum insulation tube, and the outlet of the flow control valve V1 is passed through a high vacuum The insulation pipe is connected to the cold fluid inlet of LNG vaporizer H1, the cold fluid outlet of LNG vaporizer H1 is connected to the cold fluid inlet of low-temperature natural gas reheating heat exchanger H2, and the cold fluid outlet of low-temperature natural gas reheating heat exchanger H2 is reheated by gas Pipeline and fuel inlet connection of engine E;

[0020] The hot fluid outlet of the LNG vaporizer H1 is connected to the inlet of the first organic working medium pressure pump P1 through a pipeline, the ou...

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Abstract

The invention discloses a comprehensive energy recycling system based on a liquefied natural gas automobile. An engine coolant is used as a heat source and LNG (Liquefied Natural Gas) is used as a cold source to drive a power circulator to output power; at the same time high temperature engine tail gas is used as the heat source and the environment is used as the cold source to drive another power circulator to output power; the cooling capacity of a part of the LNG in a higher temperature area is used for counteracting one part of automobile air-conditioner load so as to reduce the engine power consumption consumed for making the cooling capacity, so that due to the comprehensive energy recycling and utilization in such three aspects, the power output capability and energy utilization efficiency of an LNG automobile engine are improved, the brake ratio fuel consumption rate is reduced, and as a result, the comprehensive energy recycling system has the potential to create remarkable economic and social benefits.

Description

technical field [0001] The invention belongs to the field of energy saving of natural gas vehicles, and relates to an energy comprehensive recovery and utilization system based on liquefied natural gas vehicles. Background technique [0002] Liquefied natural gas (LNG) vehicles have achieved considerable development in my country in recent years because of their advantages such as high fuel energy storage density, long mileage after one refueling, clean combustion, and safe operation. Statistics show that from 2006 to 2010, the annual growth rate of trucks fueled by LNG was over 25%. It is estimated that during the "12th Five-Year Plan" period, the number of LNG trucks in my country will exceed 50,000 and will maintain a high-speed growth trend. [0003] The storage temperature of LNG under normal pressure is -162°C. Before entering the engine fuel, LNG needs to be vaporized and reheated to normal temperature. During this period, about 890kJ / kg of cold energy will be release...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K27/00F01K27/02B60H1/04
Inventor 谭宏博厉彦忠鱼剑琳王亮李广鹏
Owner 深圳市开迩文科技有限公司
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