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Start-up requirements and steam energy of MVR industrial wastewater evaporator Nov 13, 2018

The MVR industrial wastewater evaporator is in the process of working. The steam at low temperature is effectively compressed by its compressor, the temperature and pressure are increased, and the heat enthalpy is increased to some extent, and then condensed into the heat exchanger to fully utilize the steam. The latent heat. Except for starting the car, no steam is required during the entire evaporation process. In addition to starting the car, the secondary steam from the evaporator is not required to be generated during the entire evaporation process. The compressor is compressed, the pressure and temperature are increased, the heat is increased, and then sent to the heating chamber of the evaporator as heating steam. The feed liquid is maintained in a boiling state, and the heated steam itself is condensed into water.


When the MVR industrial wastewater evaporator is operated, the original steam of the exhaust gas will be fully utilized. It recovers latent heat to a certain extent and improves the thermal efficiency. The economic efficiency of the raw steam is equivalent to the 30 effect of multi-effect evaporation. In order to make the evaporation device as simple as possible and easy to operate, a centrifugal compressor or a Roots type compressor can be used. These machines have a high volumetric flow rate in the range of 1:1.2 to 1:2 compression ratio.


The MVR industrial wastewater evaporator uses a compressor to increase the energy of its secondary steam, and utilizes secondary steam that increases energy to recover the latent heat of the secondary steam. Specifically, the secondary steam generated by the evaporator is compressed by the adiabatic compression of the compressor to increase the pressure and temperature, and then sent to the heating chamber of the evaporator as heated steam to condense and release heat, so that the latent heat of the steam is recovered. use. Before entering the evaporator, the cold material absorbs the heat of the condensed water through the heat exchanger to raise the temperature, and also cools the condensate and the finished liquid, further improving the heat utilization rate.