Municipal early-stage rainwater pollutant spiral-type in-situ purification device
An initial rainwater and purification device technology, applied in water supply devices, biological water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problem of uneven distribution of filler balls, affecting sewage treatment effect, uneven contact space and reaction time Sufficient and other issues, to achieve the effect of reliable, simple structure, easy maintenance
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[0011] A spiral in-situ purification device for rainwater pollutants in municipal initial stage, comprising an overflow distribution well 9 connected with a conventional rainwater outlet 11. A rainwater retention chamber 10 is provided on both sides of the overflow distribution well 9 through which the overflow distribution well 9 passes The water pipe communicates with the rainwater retention chamber 10, the overflow distribution well 9 is equipped with an adjustable overflow weir 8, and the rainwater retention chamber 9 is placed inside the suspended biological filler ball 3, the overflow distribution well wall 7 is in a spiral shape, and the rainwater is retained The small chamber 10 is divided into six layers, which is a labyrinth intestine type, and the upper part is designed as a curved tube and surrounds the overflow distribution well 9.
[0012] When it rains, the rainwater is discharged from the rainwater outlet with a pipe diameter of 800. The initial rainwater enters th...
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