Vacuum concentrating system capable of utilizing residual heat

• Main Authors: ZHANG GUOXIAN, YAO MINGGAO, WANG LEYIN, GAO ZHAOBIN
• Format: Patent
• Language: Chinese; English
• Published: 18.09.2018
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The invention discloses a vacuum concentrating system capable of utilizing residual heat. The vacuum concentrating system comprises a concentrating device and a vacuum component for providing negativepressure for the concentrating device, wherein the concentrating device comprises a film concentrating tower, the film concentrating tower is provided with a resolving solution charging opening and an evaporating port, the evaporating port is connected with an inlet of a primary cyclone, a top gas outlet of the primary cyclone is connected with an inlet of a secondary cyclone, an outlet of a gascondenser is connected with a waste ammonia storage tank, a bottom liquid outlet of the primary cyclone and a bottom liquid outlet of the secondary cyclone are connected with an inlet of a liquid cooler, an outlet of the liquid cooler is connected with a concentrate storage tank, the concentrating device further comprises a preheating component, the preheating component comprises a material heat exchanger, a charging main