Recently, the liquid nitrogen gasification nitrogen injection system used in a coal mine in Shanxi has completed all production work and has been successfully shipped.

The equipment includes a liquid nitrogen boosting device, a liquid nitrogen gasification device, an electric heating auxiliary heating device, a stable voltage and flow metering device, a PLC central control system, a low-voltage distribution cabinet, etc. It consists of three pry blocks: a storage tank boosting pry, a gasification reheating pry, and a stable voltage and flow metering device, with a total length of 13 meters.