FIELD: machine building.
SUBSTANCE: at compressing natural gas (NG) with compressor unit (1), operating under water, antifreeze (73) is supplied to structure components of compressor block (1) and/or antifreeze (73) is injected into flow circuit of compressed gas (NG). At least one injecting module (73) is installed in the compressor unit on suction branch (8) and/or on at least one bearing (radial bearing 21, 22, thrust bearing 25) and/or on engine (2) and/or on at least one by-pass (33) between two stages (11) of the compressor. The injecting module injects antifreeze (73) into circuit of produced medium flow or supplies antifreeze (73) into a corresponding structure element.
EFFECT: minimal hazard of hydrates forming.
11 cl, 1 dwg
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