| abstract |
A urea hydrolysis ammonia dehydration system and method thereof, the urea hydrolysis ammonia dehydration system includes a dehydration condenser and a product steam inlet pipe; the dehydration condenser is provided with a refrigerant cavity, a condensation cavity, a refrigerant inlet pipe, a medium outlet pipe and a condensation coil pipe, wherein the condensation coil pipe is provided with a pipe plate and a plurality of condensation pipes, the condensation pipes are provided with an inlet end and an outlet end which are communicated with the refrigerant cavity, and pipelines which are positioned in the condensation cavity and are not communicated with the condensation cavity, the product steam inlet pipe directly stretches into the condensation cavity so as to separate the product steam after the pyrolysis of the urea solution from the ammonia water of the product steam inlet pipe to obtain the ammonia gas or water (condensate) with lower water content, the corrosivity of the ammonia gas with higher water content to equipment is reduced, and the water can be further recycled, so that the manufacturing cost is greatly reduced, and the water resource is saved. |