Evaled - Model RV F Series - Evaporators for Industrial Wastewater Treatment
From Evaporators - Evaled - RV / MVR
The RV F series is the EVALED range of evaporators designed to offer maximum reliability in heat transfer while minimizing fouling and scaling. The application of mechanical vapor recompression technology is the basis of the reduced energy consumption that distinguishes this line of evaporators from other technologies on the market. Calories and refrigerants needed to heat and cool the inlet and outlet streams are in fact provided by the treated liquid, allowing a specific electricity consumption of only 35 - 45 kWh/ton. Evaporators with mechanical vapor recompression and forced circulation.
Product Details
Reduced power consumption Diverse fields of application
The RV F series industrial wastewater treatment evaporators have a capacity range of 12 to 120 tons/day of distillate produced, and are therefore the EVALED technology suitable for many sectors, including those with high water consumption.
Throughputs of 12 to 120 tons/day (3850 to 38400 tons/year) of distillate produced
In many sectors, their combination with an AC R series evaporator enables the achievement of ZLD (Zero Liquid Discharge), which effectively means the complete re-use of treated water for various business purposes or even within the production process. This results in lower disposal costs, considerable savings in water supply costs, compliance with environmental regulations and discharge limits, and in many cases the separation/recovery of by-products.
The right choice when:
- the containment of energy consumption is a crucial condition
- the wastewater flow rate to be treated is considerable
- outdoor installation is required
Operational Advantages
- Reduced energy consumption
- High quality of the distillate obtained
- Continuous working mode
- Automated unit
- Remote control
- Ease of use
- Tailor-made
- Service Packages
- Rental possibilities
All EVALED evaporators are standard and modular, frame-mounted automated units to minimise the space required, require minimal labour and maintenance, and are ready to use (plug & play).
Models & Capacities
Model: Max distillate produced
- RV F 12: 12 tonnes/day
- RV F 15: 15 tonnes/day
- RV F 25: 25 tonnes/day
- RV F 40: 40 tonnes/day
- RV F 60: 60 tonnes/day
- RV F 120: 120 tonnes/day
How it Works
How EVALED® evaporators work
A multi-effect evaporator uses the steam produced inside the first boiler to produce new steam in the second, at a lower temperature and pressure. This steam recycling can be cascaded (multiple effect) depending on the temperature of the first fluid heating step and the fluid cooling step during the last process. Although it is possible to go beyond two effects, above this number the investment cost becomes considerable and a solution involving a mechanical recompression evaporator becomes more efficient.
HOW DOES A MECHANICAL VAPOR RECOMPRESSION EVAPORATOR WORK?
A mechanical vapor recompression evaporator or MVR utilizes the vapor generated inside the boiling chamber. This is compressed adiabatically (energy consumption depends on the compressor) with very high efficiency, the temperature rises and condensation takes place in the main heat exchanger, which transfers latent heat to the fluid to be evaporated. Furthermore, an auxiliary heat recovery system further optimizes the already extremely low energy consumption (approximately 35-40Wh/liter water, 25 times less than atmospheric evaporation).
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