将废水流转化为工艺水流

GEA 冷凝液纯化槽


Condensate from evaporation plants is used as process, cooling, and rinsing water or is directly discharged into a drainage ditch.

For this purpose, the condensate must be purified. Impurities in the condensate can be removed by membrane filtration, in the particular case by reverse osmosis, and high condensate qualities can be achieved.

来自乳品和食品蒸发设备的冷凝液可以在冷凝液纯化槽中进行纯化,使用反渗透将废物流转化为水流。然后,即可将这种高质量的水重复用作锅炉给水、工艺水、冷却水和冲洗水,或者直接排放到排水沟中。
冷凝液纯化槽

冷凝液纯化槽

蒸发过程产生的冷凝液含有杂质,例如化学需氧量 (COD)、离子和其他不需要的成分。为了作为工艺水重复使用,需要去除这些杂质。使用反渗透,可以生产离子含量低、电导率低的优质工艺水,然后在生产设施中重复使用。

工作压力和工艺设计取决于冷凝液的质量和所需的纯化水平。  

如果增加系统容量,废水系统将需要处理更多冷凝液,若安装冷凝液纯化槽,则可以将废水系统的液压负载减少高达五倍。可以直接排放符合纯度要求的滤液。 

回收工艺水的优势:

  • 来自纯化槽的优质滤液/渗透液 – 以低 COD/BOD 纯化 
  • 在生产工艺中重复使用滤液/渗透液/回收水,例如:
    • CIP 冲洗水(包括最终冲洗)
    • CIP 水(化学底漆)
    • 水源封闭段(PHE 等)
    • 软管站用水
    • 泵密封水
    • 工艺水(如果经过紫外线或类似处理)
    • 锅炉水(特殊应用)
  • 减少淡水或井水消耗 – 通过纯化槽回收高达 90% 的水
  • 通过重复使用来自纯化槽的水来减少废水
GEA Condensate Polisher: turning waste stream into process water stream by membrane filtration

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