RECIPROCATION GAS COMPRESSOR EQUIPPED WITH GAS LEAK PROCESSOR OFF SHAFT SEAL PORTION

摘要

PURPOSE: To prevent compressed gas from being mixed with gas to be used for gas leak processing of a shaft seal portion. ;CONSTITUTION: Between a cylinder 10 and a crankcase 40, a first chamber 20 that forms a shut-up chamber, and a second chamber 30 that forms an atmosphere open chamber, are provided, and an oilless shaft seal device 50 is provided, with a lantern ring A and a lantern ring B interposed, between the cylinder 10 and the first chamber 20, and the first chamber 20 is connected to a purge tank 201, and an oilless shaft seal device 60 is provided, with a lantern ring C and a lantern ring D interposed, between the first chamber 20 and the second chamber 30, and the lantern ring D is connected to a recovery tank.;COPYRIGHT: (C)1994,JPO&Japio