Gas-water separation respiratory gas centralized treatment device

The utility model belongs to the technical field of gas-water separation, and particularly discloses a gas-water separation breathing gas centralized treatment device which comprises a plurality of storage tanks, a mother pipeline and a cooling separation mechanism, the tops of the storage tanks are all communicated with the mother pipeline, and the cooling separation mechanism comprises two coolers, two first separators and an air blower. The free end of the main pipeline is respectively connected to air inlets of the two coolers, a liquid outlet of each cooler is respectively communicated with an expansion gas pipeline, the free end of each expansion gas pipeline is communicated to a first separator, an outlet of each first separator is communicated to an air blower, and the main pipeline is communicated with a purging pipeline. The top of each storage tank is communicated with the mother pipeline to facilitate concentrated treatment of breathing gas, the breathing gas is cooled to normal temperature throug