Wet type dedusting system for tail gas from cracking of waste residue of paper-making

The utility model relates to a wet type dedusting system for tail gas from cracking of waste residue of paper-making, which belongs to the technical field of a tail gas treatment system. The wet type dedusting system comprises a dedusting and impurity removal device for performing treatment on tail gas and a cyclone device, wherein the dedusting and impurity removal device comprises a housing, a gas inlet pipe II which is fixedly arranged on one side at the upper end of the housing and connected with the cyclone device, a gas outlet pipe II arranged in the housing by penetration and a pollution discharge port fixedly arranged at the bottom of the housing, a group of gas outlet holes are arranged at the lower end of the gas outlet pipe II, and a group of water spray pipes are arranged in the inner cavity of the housing, which is arranged between the gas outlet holes and an inlet of the gas inlet pipe II. The dedusting system has the advantages of simple structure, high degree of automation, large treatment cap