① Dilute material ② steam generation ③ material outflow ④ condensate outflow ⑤ cooling water inflow ⑥ hot water outflow ⑦ non condensable gas

EO1: One effect heater EO2: Two effect heater EO3: Three effect heater EO4: Four effect heater EO5: Condenser

SO1: First effect separator SO2: Second effect separator SO3: Third effect separator SO4: Four liquid separator SO5: Gas liquid separator

PO1: Material transfer pump PO2: Material transfer pump PO3: Material transfer pump PO4: Material transfer pump

PO5: Condenser water pump PO6: Vacuum pump PSO1: Injector

TVR four effect evaporator

Low evaporation intensity and low steam consumption. Suitable for the evaporation operation of special materials with large processing capacity, where the boiling point of the material does not increase significantly with the increase of material concentration and requires high energy efficiency.