Purification and recovery system for nickel-cobalt-manganese ternary precursor waste nitrogen

The utility model discloses a purification and recovery system for nickel-cobalt-manganese ternary precursor waste nitrogen, and relates to the technical field of waste gas recovery. The device comprises a nitrogen buffer tank, a supercharging device, a nitrogen cooling device, a deoiling device, a TSA (Total Swing Adsorption) device, a product gas filter, a product gas buffer tank and a regenerated gas heating device which are sequentially communicated, and the bottom of the TSA device is communicated with an outlet of the deoiling device through a nitrogen inlet pipe; the top of the TSA adsorption and purification device is communicated with a product gas filter through a nitrogen outlet pipe, the product gas filter is communicated with a cold blowing gas inlet of the TSA adsorption and purification device, and a cold blowing gas outlet of the TSA adsorption and purification device is communicated with an inlet of the regeneration gas heating device; an outlet of the regeneration gas heating device is commu