Rotational flow type active sludge sewage treatment device
A technology of sewage treatment equipment and activated sludge, which is applied in the field of comprehensive sewage treatment systems and sewage treatment systems, and can solve problems such as complex operations
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[0008] see figure 1 , the present invention provides a swirl type activated sludge sewage treatment equipment, comprising a cylindrical shell and a venturi tube, the inlet of the tapered part of the venturi tube is connected with a high-pressure pump, and the throat is connected with an inlet connected to the atmosphere In the trachea, the outlet of the diverging part is provided with a jet tube extending forward, and the jet tube is tangentially connected to the bottom of the cylindrical shell.
[0009] The air intake pipe can be provided with a one-way valve to avoid backflow.
[0010] The air intake pipe can also be provided with a regulating valve to control the intake air volume and avoid excessive consumption of energy.
[0011] The venturi tube can adopt a fixed venturi tube to prolong the service life.
[0012] The venturi tube can also adopt an adjustable venturi tube with adjustable throat pipe diameter, so as to adapt to specific conditions.
[0013] The height p...
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