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MVR forced circulation evaporator


MVR forced circulation evaporator

MVR is the abbreviation of Mechanical Vapor Recompression technology. The MVR evaporator is an energy-saving technology that can reuse the energy of secondary vapor generated by itself, thereby reducing the demand for external energy sources. The working process of MVR is as follows: A compressor compresses low-temperature-level vapor to increase its temperature, pressure, and heat content. The compressed vapor then enters a heat exchanger for condensation, enabling full utilization of the latent heat of the vapor. Except for the start-up phase, no additional steam needs to be generated for the secondary vapor of the evaporator throughout the entire evaporation process. After being compressed by the compressor, the vapor’s pressure and temperature rise, and its heat content increases. It is then sent to the heating chamber of the evaporator to serve as heating steam, which keeps the feed liquid in a boiling state, while the heating steam itself condenses into water. In this way, waste vapor can be fully utilized, latent heat is recovered, and thermal efficiency is improved. The economic efficiency of live steam is equivalent to that of a 30-effect multi-effect evaporation system. To make the manufacturing of the evaporation device as simple as possible and its operation convenient, high-pressure fans and high-pressure blowers can be used. These machines have a relatively high volumetric flow rate within a compression ratio range of 1:1.2 to 1:2.

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