Engineering manual - SAB 355 Screw compressor unit (including ATEX)
44/156
004100 en 2020.10
Technical description
Fig. 20: Oil separator
External heat surface (m
2
)
OHU 6041/5030
13.9
OHU 7650/6050
22.8
Design and operating mode
As illustrated in Fig. 20 the oil separator system consists of two containers, an oil separator at the
top and an oil reservoir at the bottom. In the oil separator the oil is separated from the discharge
gas and taken to the oil reservoir. Both vessels are firmly connected to pipes which cannot be
separated.
Oil separator
As illustrated in Fig. 21 the discharge gas and the oil from the compressor first pass the demisters
where the main part of the oil is separated from the discharge gas and drained into the oil vessel.
Fig. 21
Demister
From the compressor
To oil vessel
Fine oil separator element, pos. 55
Oil return Oil return
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