污水中的油含量必须低于 15 ppm,才能将含油的水排放出去。15 份的油比 100 万份的水,看起来比例很小,但 GEA 认为这个比例仍然太高。此外,无论如何,实践证明,许多常规设备在实际运行条件下无法达到这个值。我们可以将这个值降得越低,就越有利于保护我们的环境。
废水是以下成分的混合物:
从含油污水罐中将产物(即没有过量乳液的含油污水)抽吸上来,由进料泵输送给过滤器和预热器,然后通过进料阀到达分离机。在启动或喷射程序中,它会被引导回含油污水罐中。
上述产物会流入分离机碗的中心。较重的水被从最精细的油微粒中分离出来,然后在压力下由离心泵输送到排放处。
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