Emergency pressure reducing device of coke oven gas piston type compressor

The utility model discloses an emergency pressure reducing device for a coke oven gas piston type compressor. The emergency pressure reducing device comprises a compressor, air inlet equipment connected with a piston cylinder of the compressor through an air inlet pipeline, and variable pressure equipment connected with the piston cylinder through an exhaust pipeline, the pressure regulating pipeline is communicated with the air inlet pipeline and the air outlet pipeline and comprises a first pipeline and a second pipeline which are arranged in parallel, a regulating valve is arranged on the first pipeline, and a pressure equalizing valve is arranged on the second pipeline. The exhaust pressure can be effectively reduced in the working state of the compressor, the stable operation of the coke oven gas piston type compressor is ensured, and the normal operation of the compressor and the pressure swing adsorption hydrogen production complete equipment is ensured. 本实用新型公开了一种焦炉煤气活塞式压缩机应急减压装置，包括压缩机、通过进气管道与压缩机活塞缸连接