Oil-gas mixed gas recovery control method and system and master controller

A technology of gas recovery and oil-gas mixing, which is applied to the charging system, machines/engines, and adding non-fuel substances to fuel, etc., can solve problems such as oil circuit blockage, improve reliability, improve recovery quality, and reduce excessive emissions risk effect

Pending Publication Date: 2021-08-06
GUANGXI YUCHAI MASCH CO LTD
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Problems solved by technology

At the same time, water in the oil will form sludge, which will easily block the oil circuit.

Method used

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  • Oil-gas mixed gas recovery control method and system and master controller
  • Oil-gas mixed gas recovery control method and system and master controller
  • Oil-gas mixed gas recovery control method and system and master controller

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Embodiment Construction

[0039] As an important part of the vehicle, the crankcase in the vehicle engine can not only effectively prevent the crankcase pressure from being too high, but also effectively extend the service life of the engine oil and reduce wear and corrosion of parts. With the implementation of the National VI regulations, the importance of the engine crankcase of the vehicle has become more prominent. Among them, 6.5 of the "Heavy-duty Diesel Vehicle Pollutant Emission Limits and Test Methods (China Phase VI)" (GB 17691-2018) clearly states that "engine Any gas in the crankcase is not allowed to be discharged into the atmosphere", and "crankcase exhaust shall be tested in accordance with the open crankcase pollutant evaluation method, crankcase emissions and exhaust emissions shall not exceed the emission limit".

[0040] In the solution provided by the prior art, the blow-by gas in the engine crankcase (which may contain unburned oil gas, water vapor and exhaust gas, etc.) enters the ...

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Abstract

The invention discloses an oil-gas mixed gas recovery control method and system and a master controller, which are used for carrying out oil-gas and oil-water separation on the emission of an engine, improving the recovery quality of engine oil and improving the reliability of the engine of a whole vehicle. The method comprises the following steps: collecting the pressure value in an oil-gas separator; when the pressure value is higher than a first pressure threshold value, controlling a first electromagnetic valve to be opened to a first state so as to communicate a pipeline between a gas inlet pipe and the oil-gas separator; controlling the oil-gas separator to separate mixed oil gas to obtain mixed gas and mixed liquid, and recovering the mixed gas through the gas inlet pipe; collecting a liquid level value in the oil-water separator; and when the liquid level value reaches a first liquid level threshold value, controlling a second electromagnetic valve to be opened to a first state so as to communicate a pipeline between a water storage tank and the oil-water separator, and storing water separated by the oil-water separator through the water storage tank.

Description

technical field [0001] The present application relates to the technical field of engines, and in particular to a recovery control method, system and main controller of oil-gas mixture. Background technique [0002] As an important part of the vehicle, the crankcase in the vehicle engine can not only effectively prevent the crankcase pressure from being too high, but also effectively extend the service life of the engine oil and reduce wear and corrosion of parts. With the implementation of the National VI regulations, the importance of the engine crankcase of the vehicle has become more prominent. Among them, 6.5 of the "Heavy-duty Diesel Vehicle Pollutant Emission Limits and Test Methods (China Phase VI)" (GB 17691-2018) clearly states that "engine Any gas in the crankcase is not allowed to be discharged into the atmosphere", and "crankcase exhaust shall be tested in accordance with the open crankcase pollutant evaluation method, crankcase emissions and exhaust emissions sh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01M13/00F01M13/04F02M25/06
CPCF01M13/00F01M13/04F01M2013/0044F01M2013/0061F01M2013/0477F02M25/06
Inventor 苏金龙田翀黄永杰徐孟曹柯朱桂泉
Owner GUANGXI YUCHAI MASCH CO LTD
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