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 Essens air compressor

Essens Air Compressor Co., Ltd

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Intelligent drying place of air compressor crankcase in Fusheng essens high humidity environment

Source: essens air compressor June 2020: June 2020 tag: Small in large

Operating conditions of air compressor

The two air compressors of dongxiahe four stage hydropower station are standby for each other, providing brake gas and maintenance Gas for the two Francis turbine generator units together. The continuous gas consumption is small.

The main air compressor is started once every 2 hours, and the operation time is about 2 ~ 3 minutes. The main and standby air compressors are switched every 2 months, and the air compressors are regularly discharged once every 3 weeks.

During the main flood season, the air compressor reported a comprehensive fault every 20 days.

There is no obvious fault point.

Check the oil level of crankcase, which is higher than the normal value;
 dryer

Further inspection found that condensation water accumulated at the bottom of the crankcase of the air compressor; this phenomenon did not occur in non flood season.

In order to find out the water source in the crankcase of air compressor, the technicians of Dongxia river 4 hydropower station have investigated the surrounding mangmianhe hydropower station, gulika River hydropower station and Mengxia river five stage hydropower station.

In the above-mentioned power stations, the above phenomena have occurred in different degrees of air compressors in flood season.

In view of the above frequent failures of air compressor in flood season, combined with similar failures of air compressor in surrounding hydropower plants, technicians of mengxiahe cascade IV hydropower station carried out in-depth and extensive technical demonstration. It is believed that the main reason for the above-mentioned failures of air compressor in flood season is that the atmospheric moist air passes through the air compressor body during the shutdown period of the air compressor When the air pipe enters the crankcase, the moisture condenses and precipitates to the bottom of the crankcase, which results in the excessive water content in the lubricating oil in the crankcase.

 

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