An online oil replenishment device and oil replenishment method for a screw refrigeration compressor unit
A refrigeration compressor and refrigeration compression technology, which is applied to components of pumping devices for elastic fluids, rotary piston machines, rotary piston/oscillating piston pump components, etc., can solve problems such as long oil replenishment time
Active Publication Date: 2022-03-04
HUNAN KAIMEITE GASES
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Problems solved by technology
[0018] The present invention aims to solve the technical problem that the screw refrigeration compressor unit needs to be stopped and the oil replenishment takes a long time when replenishing oil in the online oil supply device and oil supply method of the existing screw refrigeration compressor unit, and provides a new screw refrigeration compressor unit. On-line Oil Supplement Device and Oil Supplement Method of Unit
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Embodiment Construction
[0040] The present invention will be described in detail below through specific embodiments with reference to the accompanying drawings, and the features and advantages of the online oil replenishment device and oil replenishment method of the screw refrigeration compressor unit of the present invention will become more obvious.
[0041] see figure 1 , The online oil replenishment device and oil replenishment method of the screw refrigeration compressor unit of the present invention have a screw refrigeration compressor unit 1, an oil-gas separator 2, an oil cooler 3, an oil pump 4 and a high oil accumulator 5.
[0042] The screw refrigeration compressor unit 1 has a plurality of screw refrigeration compressors 11 and a plurality of motors 12 driving the plurality of screw refrigeration compressors 11 .
[0043] One end of the oil-gas separator 2 is equipped with an oil level gauge 21 . A pressure display gauge 22 is installed on the top of the oil-gas separator 2 .
[0044...
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An online oil replenishing device for a screw refrigeration compressor unit has a high-level oil storage device; an oil discharge pipeline and an oil discharge stop valve are connected between the bottom of the high-level oil storage device and the top of the oil-gas separator; The top of the top is connected with a gas vent pipeline and a vent shut-off valve; a pressure balance pipeline and a pressure balance shut-off valve are communicated between the part of the gas vent pipeline located upstream of the vent shut-off valve and the part of the oil discharge pipeline located downstream of the oil drain shut-off valve; The oil pipeline extends into the bottom of the high-level oil reservoir, and an oil supply cut-off valve is installed on the oil supply pipeline. When the online oil replenishment device is used for oil replenishment, the screw refrigeration compressor unit does not need to be stopped, and the oil replenishment operation is simple and time-consuming. The invention also discloses an oil replenishment method of the online oil replenishment device.
Description
technical field [0001] The invention relates to the lubrication of mechanical equipment, in particular to an online oil replenishing device and an oil replenishing method for a screw type refrigeration compressor unit. Background technique [0002] An existing on-line oil replenishment device for a screw refrigeration compressor unit such as figure 2 As shown, the online oil replenishment device and oil replenishment method of the screw refrigeration compressor unit have a screw refrigeration compressor unit 1 , an oil-gas separator 2 , an oil cooler 3 and an oil pump 4 . [0003] The screw refrigeration compressor unit 1 has a plurality of screw refrigeration compressors 11 and a plurality of motors 12 driving the plurality of screw refrigeration compressors 11 . [0004] One end of the oil-gas separator 2 is equipped with an oil level gauge 21 . A pressure display gauge 22 is installed on the top of the oil-gas separator 2 . [0005] The low-pressure ammonia inlet of th...
Claims
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IPC IPC(8): F04C18/16F04C29/02F04C29/00
CPCF04C18/16F04C29/026F04C29/02F04C29/00
Inventor 范强常纪良张晓辉
Owner HUNAN KAIMEITE GASES