Yellow phosphorus tail gas washing tank with long contact time

The utility model relates to the technical field of tail gas washing tanks, in particular to a yellow phosphorus tail gas washing tank with long contact time, which comprises a washing tank, a plurality of partition plates arranged in a staggered manner in the washing tank, filter cotton arranged on a limiting ring, a sealing cover arranged above the washing tank, a rubber pad arranged at the bottom of the sealing cover, and an exhaust pipe embedded in the upper surface of the sealing cover. A valve is arranged at the right end of the air inlet pipe, and a one-way valve is arranged at the left end of the air inlet pipe; according to the yellow phosphorus tail gas washing pool with the long contact time, the passing length of tail gas introduced into the washing pool is increased by arranging a plurality of partition plates, tail gas can be fully absorbed conveniently, a valve is installed on a gas inlet pipe, manual control opening or closing operation is facilitated, tail gas introduction operation is facili