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China MVR Evaporation Plant Suppliers - Energy-Efficient Mechanical Vapor Recompression Factory Solutions

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Mechanical Vapor Recompression (MVR) plants are revolutionizing industrial processes in China by delivering substantial operational savings. By leveraging electricity to compress vapors for reuse as the heating medium, these systems provide low energy consumption, gentle low-temperature evaporation, and exceptional operational flexibility. As leading suppliers in the industry, our factory specializes in MVR technology, which is extensively utilized in sectors such as food processing, chemical manufacturing, and wastewater treatment. Choose our advanced MVR solutions to enhance efficiency and sustainability in your operations.

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    Description

    MVR Evaporation plant delivers substantial operational cost savings in areas with an ample supply of low-cost electrical energy.

    Once an MVR evaporation plant is running, little or no additional steam is required. In the MVR evaporation plant, a centrifugal fan is used to recompress the vapour to a higher pressure, resulting in a temperature rise. This means that the recompressed vapour can be used as the evaporation plant heating medium, while the condensate is ideal for preheating of the feed product.

    For low boiling point increases, a single-stage compressor can be used to fulfill the requirements of the design.

    For high boiling point increases, we will provide two designs: multiple-stage compressors, single stage compressors combined with multiple-effect.

    The MVR evaporation plant almost doesn't use steam, but electric energy is required as the main energy source.

    The power consumption of the main motor of MVR is due to the heat exchange area and the evaporating temperature of the evaporation plant. The Heat exchange area is bigger, and as a result, power consumption is lower, but the investment in equipment is increased.

    Evaporating temperature is higher and as a result, power consumption is lower, but fouling in the calandria is therefore increased; Evaporating temperature is lower and as a result, power consumption is higher.

    MVR can be powered by an electric motor, the rotary speed of an MVR can be controlled by a frequency converter, and the rotary speed of an MVR may control the evaporation rate and final concentration of the MVR evaporation plant.

    MVR Evaporation Plant Detail (1)
    MVR Evaporation Plant Detail (2)
    MVR Evaporation Plant Detail (3)
    Particular Feature
    • Low specific energy consumption.
    • Gentle evaporation of the product due to low temperature differences largely increases product quality, decreases fouling.
    • Short residence times of the product, as a single-effect system is most often used.
    • Only a small area condenser, requiring little cooling water.
    • High availability of the plants due to the simplicity of the process.
    • Excellent partial load behaviour.
    • Low specific operating costs.
    MVR Evaporation Plant Detail (4)
    Fields of Application
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    Food & Beverages Industry

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    Chemical Industry

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    Salt Works Industry

    ♻️

    Environmental Protection Technology

    Particularly suited for the food and beverages industry (evaporation of milk, whey, sugar solutions), chemical industry (evaporation of aqueous solutions), the salt works industry (evaporation of saline solutions), and environmental protection technology (concentration of waste water).

    MVR Evaporation Plant Compared with a Normal Multiple-effect Evaporation Plant
    Type Multiple-effect Evaporation Plant / TVR Evaporation Plant MVR Evaporation Plant
    Energy sources Steam Electric power
    Energy consumption of concentrating water of 1 ton, per hour 0.16–0.6T 18–26Kw
    💡 For Example Evaporation rate: 50T/h  |  Unit price of steam: 160RMB/T  |  Unit price of electric power: 0.8RMB/Kw  |  8,000 hours per annum.
    Type 4-effect Evaporation Plant MVR Evaporation Plant
    Energy consumption Steam: 11T/h Electric power: 1000Kw/h
    Expense of energy consumption, per annum 14,080,000 RMB 6,400,000 RMB
    Economizing expense, per annum Zero 7,680,000 RMB
    📋 Diagram Legend

    1. Evaporator
    2. Condenser
    3. Plate heat exchanger
    4. MVR
    5. Condensate Tank
    A. Liquor
    B. Product
    C. Condensate
    D. Fresh steam
    E. Cooling water
    F. Deaeration

    MVR Evaporation Plant Detail (5)
    Type Selection Criteria for Evaporation Plants

    When we design evaporation plants, various requirements must be considered. These determine the type of design, arrangement, the resulting process, the cost of investments, and running expenses.

    ⭐ The Most Important Requirements The following criteria must be evaluated to select the optimal evaporation plant design for your application.
    📊 Capacity and Operation Data
    • Name of Product
    • Feeding concentration (dry materials %)
    • Feeding temperature
    • Final concentration (dry materials %)
    • Evaporation rate (T/h)
    • If crystallization, requirement of crystals
    • Requirement of controlling, automatization
    🔬 Product Properties
    • Product properties
    • Viscosity and flow properties
    • Tendency of foaming
    • Fouling and precipitation
    • Boiling Point
    ⚙️ Utility Requirements
    • Steam pressure / temperature
    • Temperature of cooling water feeding
    • Voltage / frequency
    • Unit price of steam (RMB/T)
    • Unit price of electric power (RMB/Kw)
    ♨️ Waste Heat Parameter
    • Waste vapour rate from dryer
    • Wet bulb temperature of waste vapour from dryer
    • Condensate rate from dryer
    • Condensate temperature from dryer
    • Liquefaction vapour rate
    • Liquefaction vapour temperature
    • Others
    🔩 Selection of Materials
    • Material of heating pipe
    • Material of tube plate
    • Material of contacting with liquor
    • Material of contacting with secondary steam
    • Requirement of surface finish
    Energy Efficiency of Evaporation Plants
    • Multiple-effect evaporation plant
    • TVR evaporation plant
    • MVR evaporation plant
    • Waste heat evaporation plant
    Frequently Asked Questions
    What is an MVR Evaporation Plant and how does it work?
    An MVR (Mechanical Vapour Recompression) Evaporation Plant uses a centrifugal fan to recompress the vapour generated during evaporation to a higher pressure, which raises its temperature. This recompressed vapour is then reused as the heating medium for the evaporation process, significantly reducing or eliminating the need for additional steam and lowering overall energy costs.
    What are the main energy advantages of an MVR Evaporation Plant compared to a multiple-effect evaporation plant?
    MVR evaporation plants primarily consume electric power rather than steam. For example, at an evaporation rate of 50T/h operating 8,000 hours per year, an MVR plant consumes approximately 1,000 Kw/h of electricity (costing ~6,400,000 RMB/year), while a 4-effect evaporation plant consuming 11T/h of steam costs ~14,080,000 RMB/year — resulting in annual savings of approximately 7,680,000 RMB.
    What industries are MVR Evaporation Plants most suitable for?
    MVR Evaporation Plants are particularly well-suited for the food and beverages industry (e.g., evaporation of milk, whey, and sugar solutions), the chemical industry (evaporation of aqueous solutions), the salt works industry (evaporation of saline solutions), and environmental protection applications such as the concentration of waste water.
    How is the evaporation rate and final concentration controlled in an MVR system?
    The rotary speed of the MVR compressor can be precisely controlled by a frequency converter. By adjusting this rotary speed, operators can effectively regulate both the evaporation rate and the final concentration of the product in the MVR evaporation plant, providing excellent operational flexibility and partial load behaviour.
    What design options are available for products with high boiling point increases?
    For applications with high boiling point increases, two design solutions are available: multiple-stage compressors, or a combination of single-stage compressors with multiple-effect evaporation. For low boiling point increases, a single-stage compressor is typically sufficient to meet design requirements.
    What key parameters are needed to select the right evaporation plant design?
    Selecting the right evaporation plant requires evaluating several key parameters including: capacity and operation data (evaporation rate, feeding/final concentration, feeding temperature), product properties (viscosity, foaming tendency, boiling point, fouling), utility requirements (steam pressure, cooling water temperature, energy unit prices), waste heat parameters, material selection requirements, and the preferred energy efficiency technology (MVR, TVR, multiple-effect, or waste heat evaporation).