Ammonia washing purification device of conversion system

The utility model discloses an ammonia washing and purifying device of a conversion system, which comprises an ammonia washing tower and an ammonia still, and a liquid outlet end at the bottom of the ammonia washing tower is connected with a liquid inlet end at the lower part of the side surface of the ammonia still; the inner wall of the ammonia washing tower is connected with a filler layer, and the filler layer divides the ammonia washing tower into an upper ammonia washing area and a lower cooling area; a resistance adjusting mechanism is arranged in the ammonia washing area, a tower tray is connected to the inner wall of the ammonia washing area above the resistance adjusting mechanism, a spray pipe is arranged above the tower tray, and a plurality of spray heads are connected to the surface of the spray pipe. The device solves the problems that an existing ammonia purification device is low in steam heat utilization rate, high in energy consumption and large in system resistance, and has the advantages