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    Multi-effect distillation equipment (WFI)

    The distilled water (WFI) prepared by the multi-effect distillation equipment is obtained by using the multi-effect high-temperature distillation method to extract raw water. The high-temperature distillation process kills bacteria, and the generated secondary steam (steam water mixture) is separated by multi-stage spiral separation to expel bacteria and separate dry pure steam. The pure steam is then used as thermal energy by various effect evaporators and preheaters, The condensed water generated by thermal energy consumption is collected into the condenser to obtain injection water. The removal rate of bacterial endotoxins and total organic carbon (TOC) in injection water is of utmost concern to pharmaceutical companies. Therefore, the core technology of a multi effect distillation equipment is the separation structure, and the good or bad separation determines the stability and reliability of water production quality. Our company adopts a unique external spiral three-stage separation technology, which enables more thorough separation of steam and water, and produces superior quality and energy-saving WFI. We are committed to the research and treatment of water production equipment, and our focus and professionalism give us multiple unique advantages.

    Operational principle

    A multi effect distilled water machine is composed of multiple evaporators, multiple preheaters, condensers, electrical appliances, instruments, and pipelines. The preparation process of distilled water is to transport the raw water to the condenser tube side, cool the pure steam and pure steam condensate in the shell side to obtain distilled water, and at the same time, the raw water is heated up. The raw material water is output by the condenser and then sequentially enters the various preheaters to obtain stepwise heating. The final raw material water enters the tube side from the top of the first effect evaporator, and is distributed in each row of tubes along the inner wall of the tubes through a water distributor. The shell side of the evaporator is fed with boiler steam to heat the raw material water in the tube side, forming a falling film evaporation method. The steam water mixture formed by evaporation is thoroughly separated by the inner spiral three-stage separation of steam and water, The separated droplets and the remaining raw material water from evaporation settle together at the bottom of the evaporator, and under the pressure of the generated secondary steam, they enter the top of the secondary effect evaporator and are distributed in various columns of pipes; At the same time, the separated steam (pure steam) enters the shell side of the second effect evaporator to heat the raw water in the tube side, and the second effect evaporator produces the same evaporation process as the first effect evaporator again. The working principle of subsequent evaporators is the same, and so on until the remaining concentrated water from the final evaporation is discharged.

    Through the above working principle and unique inner spiral three-stage separation technology, the various indicators of the produced injection water are ensured to be more stable and reliable. The advanced technology of this model will undoubtedly bring users a huge advantage in reducing the production of finished products and improving product quality.

    Technology advantage

    • Double tube-sheet structure to prevent cross contamination
    • Truly achieving complete machine disinfection and sterilization automatically
    • Setting up non condensable gas emission devices
    • Superior overall performance and technical indicators
    • 180 ° reversal+gravity separation
    • No need for cooling water; The steam consumption is much lower than other competitor