Tail gas recovery equipment for ethylene device

The utility model discloses tail gas recovery equipment for an ethylene device, and relates to the technical field of tail gas recovery, the tail gas recovery equipment comprises a particle removal tank, a gas washing mechanism, a secondary filtering tank and a connecting pipe, the gas washing mechanism comprises a gas washing tank, a sealing plate, a medicine placing box, a spray head, a baffle plate and a screen; according to the tail gas particle removal device, large-particle impurities in tail gas entering the particle removal tank are intercepted through the first activated carbon filter plate, and meanwhile particulate matter is prevented from being attached to the surface of the first activated carbon filter plate to affect the adsorption effect of the first activated carbon filter plate; the bottom surface of the first activated carbon filter plate is cleaned, the use time and the use effect of the first activated carbon filter plate are improved, meanwhile, the first fan at the end of the first rota