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{"title":"MVR Evaporator for Salt Production 15-50 kWh\/ton Energy Use","imgUrl":"https:\/\/img.chinax.com\/nimg\/2e\/88\/dd567c6b11f84540b7f4b6c4dacd-200x200-1\/mvr_evaporator_for_salt_production_15_50_kwh_2fton_energy_use.jpg","attrs":{"Brand Name":"Hanpu","Certification":"ce\uff0ciso","Place of Origin":"China","Minimum Order Quantity":"1set"}}
{"title":"MVR Mechanical Vapor Recompression Evaporator For Waste Water Concentration","imgUrl":"https:\/\/img.chinax.com\/nimg\/20\/f8\/8f0070c909f9efd9db29c1bea9c9-200x200-1\/mvr_mechanical_vapor_recompression_evaporator_for_waste_water_concentration.jpg","attrs":{"Brand Name":"HANPU","Model Number":"MVR","Certification":"ISO9001,CE","Place of Origin":"Jiangsu,China"}}
{"title":"Forced Circulating Multi Effect Concentration MVR Evaporator System","imgUrl":"https:\/\/img.chinax.com\/nimg\/7f\/f4\/e1fdc7cee8d64d36726563e4e807-200x200-1\/forced_circulating_multi_effect_concentration_mvr_evaporator_system.jpg","attrs":{"Brand Name":"HANPU","Model Number":"HP-MVR","Certification":"CE\uff0cISO9001","Place of Origin":"Jiangsu,China"}}
{"title":"Pillow Plate Heat Transfer Equipment For Mechanical Vapour Recompression","imgUrl":"https:\/\/img.chinax.com\/nimg\/98\/aa\/6cadf795d243e98944725fad7965-200x200-1\/pillow_plate_heat_transfer_equipment_for_mechanical_vapour_recompression.jpg","attrs":{"Brand Name":"HANPU","Model Number":"HP-MVR","Certification":"CE,ISO9001","Place of Origin":"Jiangsu province\uff0cChina"}}
{"title":"High Heat Transfer Coefficient MVR Evaporator , Tubular Forced Circulation","imgUrl":"https:\/\/img.chinax.com\/nimg\/51\/af\/6c7155b23eb171c3f23bccc4abb1-200x200-1\/high_heat_transfer_coefficient_mvr_evaporator_2c_tubular_forced_circulation_evaporator.jpg","attrs":{"Brand Name":"HANPU","Model Number":"HP-MVR","Certification":"CE\uff0cISO9001","Place of Origin":"Jiangsu,China"}}
MVR reuses the evaporator’s secondary vapor as the heat source. A high-efficiency steam compressor raises the vapor’s pressure and temperature, then routes it back to the evaporator for heating. This heat-pump loop recovers latent heat, slashing utility demand—no live (fresh) steam is required once running.
How it works
Pretreatment: Filter seawater or brine and adjust concentration for evaporation.
Evaporation: Low-pressure boiling generates secondary vapor and concentrate.
Mechanical recompression: The secondary vapor is compressed and returned as the heating medium.
Crystallization & separation: Salt crystals form as brine concentrates; recover via filtration or centrifugation.
Drying & packaging: Dry crystals and pack for storage or sale.
Advantages
Ultra-low energy use: typically 15–50 kWh per ton of water evaporated (design-dependent).
Gentle heating: small ΔT operation reduces product degradation.
Compact footprint: ~50% less floor area than traditional multi-effect units.
Clean utilities: no live steam consumption; low cooling-water demand; no boiler flue gas plume.
Flexible turndown: stable at low load; long service life.
Low-temperature capability: evaporation possible below 40 °C—ideal for heat-sensitive products.
Typical electric consumption by evaporator type
Evaporator
Electric use (kWh/ton H₂O evaporated)
Climbing film
15–40
Falling film
20–45
Forced circulation
30–60
Note: Ranges vary with feed composition, fouling tendency, compression ratio, and heat-exchange area.
Jiangsu Hanpu Mechanical Technology Co., Ltd. is a project engineering company jointly established by Jiangsu Zhongyi Environmental Technology Co., Ltd., FERREO A/S in Denmark, Shanghai Jiaotong University and Nanjing Kingreat Machinery Co., Ltd. The company's production base is located in the H... Jiangsu Hanpu Mechanical Technology Co., Ltd. is a project engineering company jointly established by Jiangsu Zhongyi Environmental Technology Co., Ltd., FERREO A/S in Denmark, Shanghai Jiaotong University and Nanjing Kingreat Machinery Co., Ltd. The company's production base is located in the H...