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  • A single-effect evaporator, in contrast to a multiple-effect evaporator, features only one effective evaporation chamber, whereas a multiple-effect evaporator has multiple chambers. In a single-effect evaporator, the steam is directly condensed, whereas in a multiple-effect evaporator, the secondary steam from the preceding effect is reused to conserve energy consumption. A single-effect evaporator comprises only one stage of evaporation and is suitable for use in small-scale production, or when steam is inexpensive or contaminated to the extent that it cannot be reused. When it comes to plate single-effect evaporators, the use of plate heat exchangers results in a smaller footprint and higher evaporation efficiency compared to tubular heat exchangers.

    Plate single-effect evaporator

    System Composition

    Plate single-effect evaporator

    Plate single-effect evaporator Process Description

    Preheating Stage

    The material is initially heated through a preheater to increase its temperature before entering the evaporator. This process helps reduce evaporation time and enables the material to reach the required temperature for evaporation more quickly.

    Evaporation Stage

    The preheated material enters the heating chamber of the plate evaporator, where it is heated by high-temperature steam from the steam compressor, rapidly raising its temperature to the evaporation conditions. Within the evaporation chamber, the heated material generates a large amount of steam, while the solute in the material gradually becomes concentrated.

    Separation and Recycling Stage

    Inside the evaporation chamber, effective separation of steam and concentrated liquid is achieved. The steam enters the steam compressor for compression, increasing its temperature and pressure, and converting it into a high-quality steam heat source. The compressed steam re-enters the evaporator as a heat source, enabling recycling and significantly reducing the need for external steam.

    Plate single-effect evaporator has simple structure, easy operation and maintenance, small footprint, suitable for limited space occasions. Flexible operation, easy to adjust the capacity and expansion, easy to clean, high heat transfer efficiency, small heat loss, evaporation capacity.

    Shanghai Princose Energy Technology Co. Ltd.

    Small Footprint

    The structure of Plate Single-Effect Evaporator is compact, occupying a small footprint, with an overall low height, making it particularly suitable for renovations of older factories or situations with limited space.

    Shanghai Princose Energy Technology Co. Ltd.

    Flexible Operation

    The plate single-effect evaporator easily allows for changes in heat exchange area and process combinations, enabling adjustments to processing capacity and expansion. Additionally, it accumulates less scale, offers flexible operation, and facilitates easy cleaning.

    Shanghai Princose Energy Technology Co. Ltd.

    High Evaporation Efficiency

    The plate single-effect evaporator boasts high evaporation efficiency, low heat loss, and strong evaporation capacity. Its heat transfer coefficient is generally 2 to 5 times that of tubular evaporators.

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    Shanghai Princose Energy Technology Co. Ltd.

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