Waste gas treatment device in lithium battery thermal runaway process

The invention discloses a waste gas treatment device in a lithium battery thermal runaway process, which comprises an anti-explosion combustion bin provided with a waste gas inlet I, an air inlet and a combustion product outlet, and a washing tower connected with the anti-explosion combustion bin through a smoke exhaust pipeline, and a combustor used for premixing combustible waste gas and air is arranged in the anti-explosion combustion bin; a combustion product outlet and a waste gas inlet II are sequentially connected with a dust remover II and an air blower through a smoke exhaust pipeline, a gas outlet, an adsorption layer, two rows of spraying devices, a filtering layer, a flow guide device and a waste liquid outlet are sequentially arranged in the washing tower from top to bottom, each spraying device is provided with a plurality of nozzles, and the sedimentation tank is sequentially connected with a water pump and the spraying devices through a liquid conveying pipeline. Washing waste liquid enters th