Waste recovery device for lithium battery graphite negative electrode material production

The utility model discloses a waste recovery device for lithium battery graphite negative electrode material production. The device comprises a main body assembly, a water spraying assembly, a combustion assembly and a filtering assembly, wherein the main body assembly comprises a box body, a second plate body, a third plate body and a fourth plate body, the combustion assembly is installed on oneside of the main body assembly and comprises a draught fan, a first air inlet pipe, an igniter, a third valve, a switch, a three-way pipe and a second air inlet pipe, and the bottom of the draught fan is fixedly connected to the upper surface of the second plate body; according to the utility model, harmful waste gas generated by the graphite negative electrode material is recycled; by adding thecombustion improver, harmful waste gas is combusted, harmful substances are removed, the combusted gas is diluted and cooled by spraying water, and the residual harmful gas is adsorbed by the activated carbon plate, so that t