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1. 发明申请

WO2012031450A1 TWO-STAGE MEDIUM-PRESSURE SCREW-TYPE AIR COMPRESSOR SET 审中-公开
标题翻译：两级中压螺杆式空气压缩机组
公开(公告)号：WO2012031450A1
公开(公告)日：2012-03-15
申请号：PCT/CN2011001418
申请日：2011-08-25
申请人： NINGBO BAOSI ENERGY RQUIPMENT CO LTD , WU JIANGWEI , ZHANG JIONGYAN , WANG LEIJIE , ZHANG ZHONGPING , YIN XIBO , CHEN GANG , WU CHANGHONG
发明人： WU JIANGWEI , ZHANG JIONGYAN , WANG LEIJIE , ZHANG ZHONGPING , YIN XIBO , CHEN GANG , WU CHANGHONG
IPC分类号： F04C23/00 , F04C29/02
CPC分类号： F04C29/026 , B01D17/0214 , B01D21/0024 , F04C2/16 , F04C18/16 , F04C23/001 , F04C29/02 , F04C29/021 , F04C29/028 , F04C2210/1005
摘要： A two-stage medium-pressure screw-type air compressor set comprises a first-stage screw compressor (21) and a second-stage screw compressor (22) which is communicated with a gas-liquid separator (6) via a gas-liquid tangential inlet tube (61). The middle part of the gas-liquid separator is provided with an oil outlet tube (63); oil liquid from the oil outlet tube (63) passes through an oil-liquid filter (64) and lubricating oil is injected to the lubricating parts of the compressors. The oil outlet part of the gas-liquid separator (6) is also provided with a secondary separator (9), which comprises an upper separating barrel (91) and a lower separating barrel (92).The upper part of the upper separating barrel (91) is provided with a secondary oil inlet (94) connected with the oil outlet tube (63) and the lower part thereof is provided with a secondary oil outlet (98) connected with the lubricating parts of the compressors. An electric ball valve (95) is arranged between the upper separating barrel (91) and the lower separating barrel (92), and the lower part of the lower separating barrel (92) is provided with a secondary drain electromagnetic valve (99). The two-stage medium-pressure screw-type air compressor set can efficiently reduce the level of moisture and impurities in the lubricating oil, and thus provides stable pressure discharge, high operational efficiency, reliability and safety, low-noise levels and long service life.
摘要翻译：两级中压螺杆式空气压缩机组包括通过气液与气液分离器（6）连通的第一级螺杆式压缩机（21）和第二级螺杆式压缩机（22）切向入口管（61）。气液分离器的中部设有出油管（63）; 来自出油管63的油液通过油 - 液过滤器64，润滑油被喷射到压缩机的润滑部分。气液分离器（6）的出油部分还设有二级分离器（9），其包括上分离筒（91）和下分离筒（92）。上分离筒（91）设置有与出油管（63）连接的次级进油口（94），其下部设有与压缩机的润滑部分连接的二次出油口（98）。电动球阀（95）设置在上分离筒（91）和下分离筒（92）之间，下分离筒（92）的下部设有二级排水电磁阀（99）。两级中压螺杆式空气压缩机组可以有效降低润滑油中的水分和杂质，从而提供稳定的压力放电，高运行效率，可靠性和安全性，低噪音水平和长使用寿命。

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