Waste gas treatment device suitable for laboratory

The utility model discloses a waste gas treatment device suitable for laboratories, which comprises a treatment box, and further comprises an over-adsorption mechanism, a liquid spraying pipe, a liquid inlet, a gas inlet mechanism, a lowest water level line and a rightward inclined plane which are sequentially arranged from top to bottom, and the liquid inlet and the liquid spraying pipe are both arranged on the inner side wall of the treatment box; a plurality of liquid spraying openings are formed in the bottom end of the liquid spraying pipe, the liquid inlet end of the liquid spraying pipe extends to the outer side of the treatment box, the air inlet mechanism comprises a first supporting block, a first air inlet pipe and a second air inlet pipe, and the outer wall of the treatment box is movably sleeved with the first air inlet pipe. By arranging the gas inlet pipe I and the gas inlet pipe II, waste gas can react with reaction liquid gathered at the bottom before reacting with spray-shaped reaction liqui