Patent ID: 9114371
Filing Date: 2015-08-25
Classification: B01J,C07D

Abstract:
1. A system for melamine production by gas-phase quenching method, including: a urea scrubber, after which a fluidized bed reactor, a hot gas cooler, a hot gas filter, a crystallizer and a melamine collector are installed in series successively, where the melamine collector is connected to the urea scrubber; wherein the fluidized bed reactor is connected to a carrier gas pre-heater that is connected to a carrier gas compressor; wherein the system for melamine production further comprises a gas-liquid separator connected to the urea scrubber that is connected to the crystallizer, and the carrier gas compressor is connected to the gas-liquid separator; and wherein a cold gas blower is provided between the gas-liquid separator and the crystallizer.