2203M4JE-MY-iS2-N_2017.04.
Screw Compressor i-series
Appendix 1: Points of Single-package
Appendix 1-2
1-2 Basic Flow of the Oil Cooler
The supply of oil to the compressor must be in the
range of 30 °C to 60 °C. Therefore, a cooler for
lubricating oil cooling is necessary after an oil
separator.
Figure app.1-2 is the reference flow of the water
cooled oil cooler.
The heat exchanger can be chosen with shell and
tube type, plate-type, shell and plate-type and the
air cooled type.
Figure app.1-2
Figure app.1-3 is the reference flow of
the thermo-siphon oil cooler.
Shell and tube type or plate-type are
general.
Even in the oil cooler of either method,
install the oil cooler of adequate capacity
to cover the oil radiation amount of the
compressor.
Also, design considering a piping
pressure-loss and a refrigerant liquid
water head.
Figure app.1-3
Figure app.1-4 is the oil cooling system of liquid injection. In this case, the heat exchanger is not
required. The oil is cooled by letting the liquid injection port of the compressor breathe in refrigerant
liquid after decompression.
Figure app.1- 4
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