Security self-control device of synthetic gas compressor

Disclosed is a security self-control device of a synthetic gas compressor, which relates to a chemical compressor control device, and is characterized in that an air inlet, a water inlet and an oil inlet are respectively provided with three electric contact air pressure gauges, three electric contact water pressure gauges and three electric contact oil pressure gauges, each electric contact instrument is respectively connected with an input end of a PLC central processing unit; and an output end of the PLC central processing unit is connected with a compressor control switch circuit. The utility model has the advantages that the system adopts a modular structure with a small volume, replaces a disc clustered type instrument and a separate type relay control device, fully realizes the automatic control of all process control points of the synthetic gas compressor, has high reliability, high precision, simple and convenient operation, economical and practical properties and great expansibility, and fully meets