Anti-crystallization water seal device applied to ammonia-containing medium storage barrel and medium recovery method

The invention discloses an anti-crystallization water seal device applied to an ammonia-containing medium storage barrel and a medium recovery method, and belongs to the technical field of equipment anti-crystallization water seal. The anti-crystallization water seal device comprises a water seal barrel body, an air inlet formed in the side wall of the water seal barrel body, an air outlet formed in the top of the water seal barrel body and penetrating into the position below the liquid level in a water seal barrel from the top of the water seal barrel through a steel pipe, a water supplementing opening, a steam blowing opening, a draining opening formed in the side face of the bottom of the water seal barrel, an overflow pipe arranged on the water seal barrel body, and a cleaning opening formed in the bottom of the overflow pipe, wherein the water supplementing opening and the steam blowing opening are formed in the water seal barrel body and located on the two sides of the air outlet. According to the anti-