A sand-adding sedimentation tank for realizing efficient sludge discharge

A sedimentation tank, high-efficiency technology, applied in sedimentation separation, sedimentation tank, sediment separation by centrifugal force, etc., can solve the problems of low sludge discharge efficiency, high investment cost, easy torque overload, etc., to improve sludge discharge efficiency and investment cost. Low, reduced usage effect
CN109621501BActive Publication Date: 2021-09-24北京翰祺环境技术股份有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
北京翰祺环境技术股份有限公司
Publication Date
2021-09-24

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Abstract

The invention relates to a sand-adding sedimentation tank for realizing high-efficiency mud discharge, which includes a water distribution well, a coagulation area, a flocculation area, a sedimentation separation area and an outlet channel connected in sequence along the sewage flow direction, and the sedimentation separation area is also equipped with There is a mud suction device and a mud level control device for monitoring and controlling the thickness of the sludge at the bottom of the sedimentation separation area; The mud collection tube with the rotation of the mud hole, two suction main pipes symmetrically connected to the outer peripheral wall of the mud collection tube along the central axis of the mud collection tube, the mud discharge pipe connected to the bottom of the mud discharge hole, and the mud discharge pipe connected The dredging pump and the motor used to drive the mud collecting tube to rotate; the mud collecting tube communicates with the mud discharge hole, the side of the dredging main pipe facing the bottom of the sedimentation separation area has a side edge, and the dredging main pipe is provided with Round suction hole. The invention has the effects of low energy consumption, high mud discharge concentration and high mud discharge efficiency per unit time.
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Description

technical field

[0001] The invention relates to the technical field of water supply and municipal sewage treatment, in particular to a sand-adding sedimentation tank for realizing efficient mud discharge. Background technique

[0002] The high-efficiency sedimentation tank integrates various separation theories such as chemical coagulation, flocculation, sludge return, inclined tube separation, and sludge concentration. It has high-speed water separation and synchronous sludge development through reasonable hydraulic design and structural combination. A new generation of precipitation process with concentration function.

[0003] The Chinese patent with the publication number CNU discloses a new type of high-speed and high-efficiency sedimentation tank for adding sand, which includes a rectangular structure and a partition wall. pool; the bottom of the coagulation tank is provided with a water inlet pipe and a flocculant dosing pipe, the middle is provided with a mixer, and...

Claims

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