Base on the model of heart transfer in the ladle, the article analyzed the heart transfer of exhaust gas in ladle. This result can be used for the optimal design of regenerative heat exchange device.

Objective To develop an automatic device for ventilation and gas exchange in hyperbaric oxygen chamber in order to avoid of the defects in manual operation.

The invention discloses a gas-fluid exchange method and a device for carrying out bidirectional convection self-excitation liquid curtain in an inclined rectangular pipeline.