Non-point source waste gas collecting device

The utility model discloses a non-point source waste gas collecting device and aims to overcome the defect that an existing point source gas collecting treatment device is difficult to deal with waste gas generated by workshops in the printing and dyeing industry or the leather production and manufacturing industry. The device comprises a gas pressure part and a purification part, the purification part comprises a spray tower, a UV equipment treatment box and an adsorption purification box, the gas pressure part comprises a plurality of gas inlet pipelines and a gas collection part, the spray tower comprises a tower body and a circulating water tank, a gas inlet is formed in the position, close to the bottom, of the tower body, and the gas collection part blows waste gas into the tower body through the gas inlet; a gas outlet is formed in the position, close to the top, of the tower body, the tower body is communicated with the UV equipment treatment box and the adsorption purification box through the gas out