RECIPROCATING COMPRESSOR COMPRESSION SECTION UNIT AND MAINTENANCE METHOD OF RECIPROCATING COMPRESSOR

摘要

The reciprocating compressor of the present invention includes a compression section for compressing gas, and a crank section having a crankshaft and for driving the compression section. A piston rod that connects the crankshaft and the piston; and a piston rod that is fixed to the wall portion. The piston portion includes: a wall portion constituting a wall of the compression portion; a cylinder head attached to the cylinder; And a seal member disposed around the piston rod. The wall portion has a first boundary wall which forms a boundary with the crank portion on the side of the crank portion relative to at least one of the seal members and serves as a dividing surface when the crank portion and the compressed portion are separated.