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High-density clarifying tank

A clarifier, high-density technology, applied in the field of sewage treatment and water supply, can solve the problems of small rising velocity of clean water, large tank area, low sludge concentration, etc., and achieve high discharge sludge concentration, high hydraulic load, sludge high concentration effect

Inactive Publication Date: 2010-11-03
SUEZ WATER TREATMENT CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The invention solves the technical deficiencies of the existing clarification tanks, such as relatively small rising velocity of clear water, large tank area, large land occupation, and low sludge concentration; High, small footprint, high-density clarifier with good effluent quality

Method used

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Embodiment Construction

[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0032] The invention is applied in water supply, sewage, rainwater, sewage advanced treatment (phosphorus removal), water lime softening and sludge concentration. The high-density clarifier is a mud and slag circulation clarifier combined with inclined tube clarification and sludge concentration design. It has the functions of flocculation, sedimentation and sludge concentration. It has the functions of sand removal, scum removal and oil removal if it is equipped with a sand removal and scum removal device. Function.

[0033] Such as Figure 1 ~ Figure 4 Shown, the present invention comprises the flocculation reaction device (flocculation reaction zone) that is connected in series, clarification and concentration device (clarification concentration zone), and flocculation reaction device comprises mechanical agitation zone device (mechanical ...

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Abstract

The invention discloses a high-density clarifying tank. The clarifying tank comprises a flocculation reaction device, a clarifying and concentration device which are connected in series, wherein the flocculation reaction device comprises a mechanical agitation zone device, the mechanical agitation zone device comprises an agitation tank and a mechanical flocculation reaction unit arranged in the agitation tank, a hydraulic mixing zone device is connected in series behind the mechanical agitation zone device, a partition wall is arranged between the mechanical agitation zone device and the hydraulic mixing zone device, the bottom of the partition wall is provided with a water communication hole, then the clarifying and concentration device is connected in series with the hydraulic mixing zone device, and a submerged weir is arranged between the clarifying and concentration device and the hydraulic mixing zone device. The invention improves the surface hydraulic load, decreases the occupied area and has the advantages of good flocculation effect, high sludge concentration and good quality of outlet water.

Description

Technical field [0001] The invention belongs to the fields of water supply and sewage treatment, and relates to a clarifier for water supply and sewage purification, and in particular to a sludge circulation type clarifier for removing suspended solids and colloids in water. Background technique [0002] Clarifiers are a widely used technology in the field of water supply treatment. The clarification tank is a water purification structure that uses the accumulated mud in the tank to contact and adsorb impurity particles in the raw water to achieve rapid separation from the clean water. It can fully exert the role of the coagulant and improve the clarification efficiency. According to the working principle, clarifiers are generally divided into mechanical stirring clarifiers, hydraulic circulation stirring tanks, pulse clarifiers and suspension clarifiers. According to the condition of the sludge, the clarifier is generally divided into sludge circulation (reflux) and sludge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D21/02B01F7/20B01F27/906
Inventor 裴瀚笛陆子维
Owner SUEZ WATER TREATMENT CO LTD
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