Fly ash high-temperature plasma melting tail gas purification treatment device

The utility model provides a fly ash high-temperature plasma melting tail gas purification treatment device, which relates to the technical field of purification devices, and comprises a melting furnace, a quench tower, a dry deacidification tower, a cloth bag type dust collector, a fan and a vertical chimney, a smoke inlet pipe is arranged on the outer wall of one side of the melting furnace, and the other side of the melting furnace is connected with the quench tower through a pipeline; the quench tower is connected with a dry deacidification tower through a pipeline, the pipeline between the quench tower and the dry deacidification tower is sleeved with an SNCR ammonia spray gun, the other side of the dry deacidification tower is connected with a cloth bag type dust collector through a pipeline, the other side of the cloth bag type dust collector is connected with a fan through a pipeline, the output end of the fan is connected with a vertical chimney through a pipeline, and the vertical chimney is connect