A water bath heating device suitable for natural gas engine
A water-bath heating and natural gas technology, applied in engine cooling, exhaust devices, engine components, etc., can solve problems such as cost increase, fuel leakage, etc., and achieve the effects of strong applicability, reduced energy consumption, and full use of energy.
Inactive Publication Date: 2019-01-25
WUHAN UNIV OF TECH
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Problems solved by technology
[0005] The previous methods of using the cold energy of the low-temperature fuel of the natural gas engine all required a large degree of modification to the fuel supply system of the natural gas engine, which brought about an increase in cost on the one hand, and the possibility of fuel leakage on the other hand. increase in performance, such as the form adopted in "A LNG Vehicle Cold Energy Recovery System Based on Temperature Difference Power Generation" disclosed by the publication number CN101825075A
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[0016] In order to better understand the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0017] Such as Figure 1-3 As shown, a water bath heating device suitable for natural gas engines includes a water bath heater 2, a thermoelectric generator 7 and a heat exchange medium circulation device. The air inlet of the water bath heater is connected to the natural gas tank 1, and the gas outlet is connected to the natural gas engine 3. The exhaust port of the natural gas engine is connected with the hot end inlet of the thermoelectric generator, the hot end outlet is connected with the muffler 9, the coolant outlet of the natural gas engine and the cold end outlet of the thermoelectric generator are both connected to the heat exchange medium The inlet of the circulation device is connected, the outlet of the heat exchange medium circulation device is respectively connected with the coolant inl...
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The invention provides a water-bath heating device for a natural gas engine. The water-bath heating device comprises a water-bath heater, a thermoelectric generator and a heat exchange medium circulating device. A gas inlet of the water-bath heater is connected with a natural gas tank, and a gas outlet of the water-bath heater is connected with a gas inlet of the natural gas engine. An exhaust port of the natural gas engine is connected with a heat end inlet of the thermoelectric generator, and a heat end outlet of the thermoelectric generator is connected with a silencer. A cooling liquid outlet of the natural gas engine and a cold end outlet of the thermoelectric generator are both connected with an inlet of the heat exchange medium circulating device, and an outlet of the heat exchange medium circulating device is connected with a cooling liquid inlet of the natural gas engine and a heat exchange medium inlet of the water-bath heater; a heat exchange medium outlet of the water-bath heater is connected with an inlet of a water pump, and an outlet of the water pump is connected with a cold end inlet of the thermoelectric generator. The water-bath heating device is simple in structure, low in modification cost, reliable in operation, capable of saving energy and environmentally friendly.
Description
technical field [0001] The invention belongs to the technical field of natural gas engines, in particular to a water bath heating device suitable for natural gas engines. Background technique [0002] The fuel natural gas in natural gas vehicles is stored in the gas tank at a relatively low temperature, and then enters the engine for combustion after being heated. [0003] Thermoelectric power generation technology is a technology that uses the Seebeck effect of certain semiconductor materials to convert thermal energy into electrical energy. Specifically, when there is a certain temperature difference between the cold end and the hot end of this material, a certain potential difference will be established at both ends. If If a loop is formed again, a current will be generated in the circuit. At this time, the role of the semiconductor material is equivalent to a DC power supply. Theoretically, the power generation efficiency is related to the temperature difference across...
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IPC IPC(8): F02M21/06F01N5/02F01P3/20
CPCF01N5/025F01P3/20F01P2060/18F01P2060/185F02M21/06Y02T10/12Y02T10/30
Inventor 邓亚东苏楚奇翟鹏程胡涛万秋实
Owner WUHAN UNIV OF TECH