Biological purifier for efficiently treating organic waste gas in energy-saving manner

The utility model discloses an efficient and energy-saving biological purifier for treating organic waste gas, which comprises a waste gas spray tower, a first biological purification box, a waste gas cleaning tower and a second biological purification box, the bottom of one end of the first biological purification box is connected with an exhaust plate in the waste gas cleaning tower through a second connecting pipe, the top of the waste gas cleaning tower is connected with the second biological purification box through a second gas conveying pipe, and the biological purification equipment improves the waste gas purification effect through two times of biological purification and two times of humidification; according to the biological purification equipment, waste gas passes through the transverse filler and the vertical filler, so that the humidified waste gas is in full contact with a biological membrane in the filler and stays for a longer time, and the purification quality is improved; when the purifier