Online oil supplementing device and oil supplementing method of screw type refrigeration compressor unit
A refrigerating compressor and refrigerating compression technology, which is applied to parts of pumping devices for elastic fluids, rotary piston machinery, rotary piston/swing piston pump components, etc., can solve the problem of long oil replenishment time, etc. Achieve the effect of short time consumption and simple oil replenishment operation
Active Publication Date: 2020-05-19
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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[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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The invention discloses an online oil supplementing device of a screw type refrigeration compressor unit. The online oil supplementing device is provided with a high-level oil chamber, wherein an oildraining pipeline and an oil draining stop valve communicate with each other between the bottom of the high-level oil chamber and the top of an oil-gas separator; a gas emptying pipeline and an emptying stop valve communicate with the top of the high-level oil chamber; a pressure balance pipeline and a pressure balance stop valve communicate with each other between the part, on the upstream of theemptying stop valve, of the gas emptying pipeline and the part, on the downstream of the oil draining stop valve, of the oil draining pipeline; an oil supplementing pipeline stretches into the bottomof the high-level oil chamber; and an oil supplementing stop valve is mounted on the oil supplementing pipeline. When the online oil supplementing device is used for supplementing oil, the screw typerefrigeration compressor unit does not need to stop, and the oil supplementing operation is simple and consumes less time. The invention further discloses an oil supplementing method of the online oil supplementing 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