Fuel heating quick start device for diesel engine in winter
A fast start-up and fuel technology, which is applied in the direction of fuel heat treatment devices, exhaust devices, noise reduction devices, etc., can solve the problems that the main and auxiliary fuel tanks cannot be switched reasonably, the preheating temperature cannot be reached, and the battery loss is large, so as to avoid distraction Possibility, saving fuel cost, effect of small air supply resistance
Inactive Publication Date: 2017-11-28
ZHONGBEI UNIV
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Problems solved by technology
[0004] In order to solve the problems of large battery loss, unreasonable switching of main and auxiliary fuel tanks, long heating time and failure to reach the preheating temperature of existing diesel vehicles using electric heating for starting and running, the present invention provides a fuel heating quick start device for diesel engines in winter
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[0013] Winter diesel engine fuel heating quick start device, including engine 1, exhaust pipe 2, main fuel tank 3, auxiliary fuel tank 4, water tank 5, single-chip microcomputer, display, and oil circuit switching solenoid valve 6, oil outlet of main fuel tank 3 and auxiliary fuel tank 4 The port is connected with the two input ports of the oil circuit switching solenoid valve 6, the output port of the oil circuit switching solenoid valve 6 is connected with the input port of the engine 1, the engine 1 is connected with the water tank 5, and the water temperature sensor 7 is arranged in the water tank 5, and the exhaust gas The exhaust gas temperature sensor 8 is arranged on the pipe 2, the fuel temperature sensor 9, the main fuel tank oil pump 10 and the medium temperature core heat pipe 11 connected with the exhaust pipe 2 are arranged in the main fuel tank 3, and the auxiliary fuel tank 4 is arranged with the auxiliary fuel tank oil pump 12 and the liquid level Sensor 13, a ...
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The invention particularly relates to a quick start device for fuel heating of a diesel engine in winter and solves the problems that an existing diesel vehicle is started to operate through electrical heating, so that the battery consumption is large, a main fuel tank and an auxiliary fuel tank can not be switched reasonably, the heating time is long, and the preheating temperature can not be reached. An oil way converting magnetic valve is arranged between an oil outlet of a main fuel tank and an engine of an auxiliary fuel tank, a water temperature sensor is arranged inside a water tank, an exhaust gas temperature sensor is arranged on an exhaust pipe, a fuel oil temperature sensor and a medium temperature core heating pipe are arranged inside the main fuel tank, a liquid level sensor is arranged inside the auxiliary fuel tank, a directly operated type magnetic valve is arranged inside the medium temperature core heating pipe, the output end of the water temperature sensor, the output end of the exhaust gas temperature sensor, the output end of the fuel oil temperature sensor and the output end of the liquid level sensor are connected with the input end of a single chip computer, and the output end of the single chip computer is connected with the input end of a displayer, the input end of the oil way converting magnetic valve and the input end of the directly operated type magnetic valve. By means of the device, the engine can be started fast, and the exhaust of nitric oxide and contaminant particles is reduced.
Description
technical field [0001] The invention relates to a fuel oil heating system, in particular to a fuel oil heating quick start device for a winter diesel engine which utilizes exhaust waste heat to heat fuel. Background technique [0002] At present, when a diesel vehicle or heavy machinery using a diesel engine is driving in a cold and low temperature environment, it is heated by fuel oil to improve the fluidity of high-grade diesel and ensure the normal start and operation of the diesel engine. [0003] The heating methods of high-grade diesel oil mainly include the following types: 1. Use electric heating plugs to heat the fuel tank, coarse filter, fine filter and the entire oil circuit. The engine can start and run after reaching the predetermined temperature. However, all the electric energy is supplied by the battery. The battery needs to output a large power, which will cause great damage to the battery, and the predetermined preheating may not be achieved within the limi...
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IPC IPC(8): F01N5/02F02M31/16
CPCY02T10/12
Inventor 董小瑞任杰锶马维金王艳华毛虎平
Owner ZHONGBEI UNIV