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Operation process, technical characteristics and application scope of three-effect evaporator
- Aug 31, 2018 -

When the three-effect evaporator is operated, the secondary steam generated by the first evaporator is again used as a heating source, and another evaporator is introduced. As long as the pressure in the evaporator and the boiling point of the solution are controlled to be appropriately lowered, The secondary steam generated by the first evaporator is used for heating. At this point, the condensation of the first evaporator is the heating of the second evaporator.


The three-effect evaporator is mainly composed of one-effect heater, one-effect separator, two-effect heater, two-effect separator, three-effect heater, three-effect separator, steam separator, condenser, discharge pump and condensate pump. Components such as water ring vacuum pump, according to different material characteristics, using different evaporation processes and equipment materials to achieve continuous feeding, continuous discharging, semi-automatic management, further optimization based on the original process, greatly reducing labor. In order to avoid the improper operation during the evaporation process, the advantages of running materials are obtained.


The three-effect evaporator adopts a gas separation device, and the product yield is high; its evaporator and condensate storage device adopt an overlapping structure, the whole set of equipment is compact, and the floor space is small. The process aspect is a flat flow evaporation process, the cycle degree is large, the evaporation speed is high, the heating time is short, the coking is not easy, and the cleaning is convenient.


The three-effect evaporator utilizes vacuum evaporation operation, which not only has a large evaporation capacity, but also the material can be evaporated at a relatively low temperature to meet the concentration requirement of the heat sensitive material. Therefore, the equipment is widely used in the concentrating of liquid materials in pharmaceutical, glucose, starch, food, chemical, nickel sulfate and other industries and environmental engineering waste treatment.