Gas-collecting hood for chemical industry

The utility model discloses a gas-collecting hood for chemical industry, which relates to the technical field of chemical equipment and comprises a hood body, an activated carbon net is arranged at the bottom of the hood body, a purifying box is fixedly connected to the top end of a partition plate, an air blower is fixedly connected to the top end of the purifying box, and an exhaust pipe is fixedly connected to the exhaust end of the air blower. According to the air purification device, harmful substances in harmful gas are adsorbed through the activated carbon net, the water pumps pump water through the water pumping pipes, then the water is discharged through the water outlet pipe, the air outlet pipe is fixedly connected to the air outlet end of the air blower, the water pumps are fixedly connected to the two sides of the top end of the purification box, and the nozzles are fixedly connected to the sides, close to each other, of the two fixing plates. And clean water is sprayed into the purification box