Freshwater fish temporary rearing device capable of comprehensively utilizing tail gas and cooling water when ozone generator works

The invention discloses a freshwater fish temporary rearing device capable of comprehensively utilizing a tail gas and cooling water when an ozone generator works. The device comprises the ozone generator, a cooling water collecting pool, a pipeline pump, an activated carbon canister, a gas-liquid mixer and a temporary rearing pool. An cooling water outlet of the ozone generator is connected to the cooling water collecting pool through a pipeline. An inlet of the pipeline pump is connected to the bottom of the cooling water collecting pool through the pipeline, an outlet of the pipeline pump is connected to a first inlet of the gas-liquid mixer through the pipeline, a tail gas outlet of the ozone generator is connected to an inlet of the activated carbon canister through a gas pipe, and an outlet of the activated carbon canister is connected to a second inlet of the gas-liquid mixer through the gas pipe. An outlet of the gas-liquid mixer is connected to the temporary rearing pool through a mixed supply pipe.