Coal-bed gas double-screw compressor unit

The utility model discloses a coal-bed gas double-screw compressor unit which comprises a plurality of compressors connected in parallel. Each compressor is provided with a gas inlet pipe, wherein the gas inlet pipes (12) of the first row of compressors (11-1) are communicated with a main suction pi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHEN GANG, JIA ANQUAN, ZHANG JIONGYAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a coal-bed gas double-screw compressor unit which comprises a plurality of compressors connected in parallel. Each compressor is provided with a gas inlet pipe, wherein the gas inlet pipes (12) of the first row of compressors (11-1) are communicated with a main suction pipe (1) of the compressor unit through a first-step gas inlet distribution pipe (2) of which the two sides are respectively provided with a second-step gas inlet distribution pipe (3); the gas inlet pipes (12) of the second row of compressors (11-2) are communicated with the main suction pipe through the second-step gas inlet distribution pipe and the first-step gas inlet distribution pipe; the gas inlet pipes, the first-step gas inlet distribution pipe, the second-step gas inlet distribution pipe and the main suction pipe form a suction pipe system (10) of the compressor unit; the suction pipe system is arranged by adopting an equipressure drop method; and the caliber size of the second-step gas inlet distribution