Double-shaft collision flow smoke gas synchronous desulfuration and denitration device

The utility model discloses a double-shaft collision flow smoke gas synchronous desulfuration and denitration device which consists of a heat exchanger, a double-shaft collision flow premixing tubes, a collision flow reactor body, an effective demister, an absorption liquid circulating pump, a sump, a valve, a centrifuge, a separating liquid pump, an ammonia pump, an ammonia liquid distribution tank, a urea liquid pump, a urea liquid distribution tank, an air compressor and a dirt catcher; the outlet of the dirt catcher is connected with the inlet of polluted smoke gas of the heat exchanger; the outlet of polluted smoke gas of the heat exchanger is respectively connected with the inlets of smoke gas of the double-shaft collision flow premixing tubes; the absorption liquid is stored in the sump and the sump is connected with the lower end of the collision flow reactor body; the double-shaft collision flow premixing tube is arranged on the collision flow reactor body and is arranged on the sump; the double-shaf