Gassing and flash gas's recovery unit speed in synthetic ammonia system

The utility model discloses a gassing and flash gas's recovery unit speed in synthetic ammonia system, including ammonia synthesis tower, one -level condensation knockout tower, second grade condensation knockout tower, ammonia flash tank, compressor, the flash distillation vapour discharge port of ammonia flash tank and the entry of flash distillation vapour scrubbing tower link to each other, and the pipeline of gassing through being equipped with the entry governing valve of taking out before the compressor compression of speeding links to each other with the scrubbing tower of speeding toexit, the weak aqua ammonia export pipeline of the pipeline of the weak aqua ammonia of flash distillation vapour scrubbing tower export through being equipped with the pump and the scrubbing tower ofspeeding to exit all links to each other with the entry of heat exchanger, the export of heat exchanger links to each other with ammonia still's entry, a hot water export at the bottom of the ammoniastill tower connects gradu