The MVR evaporator (mechanical vapor recompression) is a technology that utilizes a compressor to work on secondary steam, enhancing its energy to serve as a heat source for the system, thereby reducing the demand for external energy sources. The secondary steam, after being compressed by the compressor, sees an increase in pressure and temperature, resulting in an elevated enthalpy. This compressed steam is then sent to the heater of the evaporator to be used as a heat source, maintaining the evaporation state of the feed liquid. Meanwhile, the heating steam itself transfers its heat to the material and condenses into water. In this way, the steam that was originally to be discarded is fully utilized, recovering latent heat and improving thermal efficiency. Except for system startup, no live steam is required throughout the evaporation process. The single-effect plate MVR evaporation system is a combination of a single-effect plate evaporator and MVR evaporation technology.
The material is preheated through a preheater before entering the evaporator.
Inside the evaporator, the material exchanges heat with heating steam and evaporation occurs. The gas-liquid mixture then enters a separator for gas-liquid separation.
The generated secondary steam is compressed by a compressor to increase its pressure and temperature.
The compressed steam is sent back to the evaporator to serve as heating steam, achieving cyclic utilization.
Low Energy Consumption and Operating Costs
Small Footprint
The overall investment is lower due to fewer utilities and ancillary equipment required.
The system operates smoothly and highly automated.
Short Product Residence Time Due to Common Single-Effect Use
The process is straightforward and highly practical, with excellent partial load operating characteristics.
The operating costs are low, allowing evaporation below 40°C without the need for refrigeration equipment, which is particularly suitable for heat-sensitive materials.
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