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PLC Automatic Control Triple Effect Falling Film Evaporator
1. Brief Introduction of falling film evaporator:
Falling film evaporator is an efficient and widely used evaporation equipment. Falling film evaporator has the advantages of high heat transfer coefficient, small pressure drop, small heat transfer temperature difference loss, will not cause degradation of thermal sensitive materials, not easy to scale, small amount of internal liquid lag, etc., so it is widely used in chemical, light industry, food processing, medicine and other industries of wastewater treatment and sewage treatment.
2. Application of triple effect falling film evaporator:
Triple effect falling film evaporator is suitable for pharmaceutical, glucose, starch, chemical, xylose, citric acid, ammonium sulfate, biochemical engineering, environmental protection engineering, waste liquid recovery and treatment.
3. Features of triple effect falling film evaporator:
) It consists of one, two and three effect separators, one, two and three effect evaporators, preheaters, condensers and hot pressure pumps.
2) Low evaporation consumption, 1kg of steam can evaporate 3.2kg of water.
3) The evaporation temperature is low, and part of the secondary steam is re-sucked into the primary effect heater by the jet hot pressure pump, and the heat is fully utilized, and the evaporation temperature is relatively low.
4) The concentration ratio is large, falling film evaporation, so that the material liquid with larger viscosity is easy to flow and evaporate, and it is not easy to scale, and the concentration time is short, and the concentration ratio can reach 1:5.
5) The equipment can achieve fully automated production and intelligent system management.
4. Evaporation capacity of triple effect falling film evaporator :
1000～50000kg/h
