Adsorption tower with tail gas absorption device

The utility model discloses an adsorption tower with a tail gas absorption device, which belongs to the field of tail gas treatment and comprises a tower body, a mounting hole is arranged on the surface of the tower body, an air hole is arranged on the inner wall of the mounting hole, a filter screen is slidably mounted on the inner wall of the mounting hole, an air inlet pipe is slidably mounted on the inner wall of the mounting hole, and the air inlet pipe is slidably connected with the filter screen. Clamping holes are symmetrically formed in the surface of the air inlet pipe, circular grooves are symmetrically formed in the inner wall of the mounting hole, the exhaust cylinder is pushed to make contact with the supporting ring, then the friction pad is pushed to slide along the inner wall of the air outlet hole, the friction pad and the exhaust cylinder are in tight friction, and the exhaust cylinder is in a stable placement state; a power supply is switched on through an electromagnet, a magnetic disk ca