TVR Evaporator
TVR evaporator, stands for Thermal Vapor Recompression Evaporator takes advantage of thermal compression pump(Venturi) to make use of the secondary steam, thus to reduce steam consumption and achieve purpose of energy-saving.
Description
TVR evaporator, stands for Thermal Vapor Recompression Evaporator, is an energy-saving evaporation device. TVR involves the recompression of vapor (usually steam) that has been generated in an evaporative process, thereby allowing this energy to be reused within the process itself.
Operation Principle of TVR Evaporator
TVR evaporator, build on the foundation of multi-effect evaporators by adding a steam ejector, utilizing high-pressure fresh steam as the motive steam. This steam enters the steam chamber of the steam ejector, where it extracts part of the secondary steam into a low-pressure steam chamber. After mixing in the mixing chamber, the result is a medium-temperature mixed steam, which provides a heat source for the evaporator. Thus, part of the secondary steam is recovered, achieving the goal of energy saving.
Process Flow of TVR Evaporator
After the feed material enters the evaporator and reaches the boiling point temperature via the heater, it goes into the separator for evaporation. The water content in the material is continuously evaporated into vapor steam, known as secondary steam. As the evaporation process progresses, the concentration of the material increases and is discharged from the evaporator upon reaching the desired concentration. The secondary steam generated in this process is mixed and pressurized by the ejector and then reused as heating steam, while another portion is sent into the condenser, condensed into water, and discharged.
Main Feature of TVR Evaporator
1). Fresh steam of higher pressure (≥0.5Mpa) is required for the thermal vapor recompression pump;
2). The steam consumption reduced by a thermal compression pump is equivalent to adding one effect of evaporator, reduce the energy consumption greatly;
3). The thermal compression pump is free of moving part, ensures the operational reliability;
4). The load of the condenser is reduced because the evaporation capacity at the final effect decreases.
Scale of TVR Evaporator
The scale of TVR evaporator is able to be customized according to demands, 0.1~200.0ton/hour.
