Solid-liquid separation device for suspended solids in wastewater

Abstract

The invention discloses a solid-liquid separation device for waste water suspended matters. The solid-liquid separation device comprises a tank body; the interior of the tank body is divided into a water inlet tank and a solid-liquid separation tank by a vertical wall; a water inlet hole is formed above the water inlet tank; the lower part of the water inlet tank is communicated with the solid-liquid separation tank; the solid-liquid separation tank is internally and respectively provided with a clear water layer, a filter blocking layer used for blocking the suspended matters, a diffusion layer and a sludge layer from top to bottom; the clear water layer is communicated with a water outlet hole; a filter plate provided with meshes is arranged between the clear water layer and the filter blocking layer; a suspended matter meter is arranged in the filter blocking layer; the sludge layer is provided with a sludge collecting pipe; the sludge collecting pipe is connected with a dredge pump. The solid-liquid separation device is simple in structure, convenient in management, large in water treatment quantity, good in solid-liquid separation effect, high in waste water suspended matter removal rate, etc.

Description

technical field [0001] The invention belongs to the field of sewage treatment and is suitable for a solid-liquid separation device for breeding wastewater such as greenhouse soft-shelled turtles and pig farms and other wastewater with relatively high suspended matter. Background technique [0002] With the vigorous development of large-scale and intensive aquaculture in my country, aquaculture wastewater such as greenhouse soft-shelled turtles and pig farms has become an important source of water pollution. In a high-density farming environment, the remaining feed, excrement of farming organisms and dead organisms will be continuously deposited in the bottom mud during the breeding process. In order to ensure the soft-shelled turtle breeding environment in the greenhouse and the healthy growth of the soft-shelled turtle body, the method of frequent water changes is currently used to improve the soft-shelled turtle breeding environment. A large amount of sediment enters the ...

AI Technical Summary

Problems solved by technology

In short, the filtration treatment method is more complicated, and the process is difficult to control, and the filter material needs to be replaced from time to time, so it cannot be applied to the treatment of greenhouse turtle breeding wastewater with large water volume and uncertain water quality.

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