Waste gas treatment device for preparing cobalt carbonate

The utility model relates to a waste gas treatment device for preparing cobalt carbonate, which belongs to the technical field of cobalt carbonate production and comprises a device main body, a waste gas treatment bin is arranged in the device main body, and a gas inlet and a gas outlet which are communicated with the waste gas treatment bin are respectively arranged on two sides of the device main body. A particle filtering layer is installed in the waste gas treatment bin through an oscillation device, an alkaline filtering layer, an acid filtering layer and an activated carbon layer are sequentially arranged on the side, away from the gas inlet, of the particle filtering layer, and the activated carbon layer is arranged on the side, close to the gas outlet of the device body, of the particle filtering layer; the alkaline filter layer, the acidic filter layer and the activated carbon layer are detachably mounted in the device main body. According to the device, the filter layer is detachably installed in th