Two-stage gravity separation device for oil-containing wastewater treatment, and treatment process
A technology of gravity separation and wastewater treatment, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, grease/oily substance/float removal device, etc. The problems of high intensity and labor intensity can achieve the effect of short residence time, increased oil-water separation efficiency, and small equipment footprint.
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[0030] The present invention will be further described below in conjunction with the drawings:
[0031] Such as figure 1 As shown, a two-stage gravity separation device for oily wastewater treatment includes a closed box body. The box body is composed of a bottom plate, a front side wall 1, a top plate 2, a rear side wall 3, a left side wall 4 and a right side wall (in the figure) Not shown, figure 1 It is a schematic diagram of the structure after removing the right side wall). The bottom plate of the box body is composed of a horizontal bottom plate 5 and a first sloping plate 6 that are sequentially connected from front to back. The rear direction is inclined upward, and the inside of the box body is provided with a second inclined plate 7 which is inclined upward in a height from front to rear direction. The second inclined plate 7 divides the internal space of the box body into an unconnected one. The first-level processing chamber 23 and the second-level processing chamber ...
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