Requirements for oil separation tank:

1. The flow rate of sewage containing edible oil in the tank shall not be greater than 1.115 m/s..

2. The residence time of sewage containing edible oil in the pool water is 2~11min.

3. The volume of oil in the oil separation tank for manual oil removal shall not be less than 25% of the effective volume of the tank.

4. Oily sewage should be discharged into the sewage pipeline after passing through the oil removal device.

5, sewage flow should be calculated according to the design second flow. Extended information

The structure of oil separation tank mostly adopts horizontal flow. Oily wastewater enters the oil separation tank with rectangular plane through the water distribution tank and flows slowly in the horizontal direction. During the flow, the oil product floats to the water surface and is pushed into the oil collection pipe by the oil collection pipe or the oil scraper arranged on the tank surface and flows into the dehydration tank.

the heavy oil and other impurities precipitated in the oil separation tank accumulate in the sludge hopper at the bottom of the tank and enter the sludge pipe through the sludge discharge pipe. The wastewater treated by oil separation overflows into the drainage tank for subsequent treatment to remove emulsified oil and other pollutants.

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