DOTP waste gas condensation and purification device

The utility model discloses a DOTP waste gas condensation and purification device which comprises a condensation mechanism, the surface of the condensation mechanism is communicated with a collection mechanism for collecting waste liquid, the surfaces of the condensation mechanism and a disassembly and assembly mechanism are sleeved with the disassembly and assembly mechanism, the condensation mechanism comprises a pipe body, a plurality of condensation pieces are arranged in the pipe body, and the condensation pieces are arranged in the pipe body. The surface of the pipe body is fixedly sleeved with a radiator used in cooperation with the condensation piece, the radiator is communicated with a cold water pipe, the condensation piece is provided with an air guide hole, a first flow guide groove and a second flow guide groove which are communicated with one another, and the portion, located at the bottom of the first flow guide groove, of the surface of the pipe body is communicated with a liquid drainage pipe