One-stage two-level high-efficiency cross flow washing tank

The utility model discloses a one-stage two-level high-efficiency cross flow washing tank. The washing tank comprises a box body, wherein a gas inlet, a gas outlet and a purifying cavity which is through from front to back are arranged in the box body; a first-level waste gas treatment unit and a second-level waste gas treatment unit, which are filled with polypropylene polyhedral hollow sphere fillers, are arranged in the purifying cavity; a first front spray system and a first upper spray system, which are used for spraying purified liquid to the first-level waste gas treatment unit, are arranged on the front side and upper side of the first-level waste gas treatment unit respectively; a second front spray system and a second upper spray system, which are used for spraying purified liquid to the second-level waste gas treatment unit, are arranged on the front side and upper side of the second-level waste gas treatment unit respectively; and a water tank is arranged below the purifying cavity of the box body