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Sewage treatment device integrating coagulation, sedimentation and filtration

A sewage treatment device, coagulation and sedimentation technology, applied in flocculation/sedimentation water/sewage treatment, water/sewage multi-stage treatment, adsorbed water/sewage treatment, etc., can solve the problems of low operating cost, complicated operation management and high investment , to achieve stable thermochemical properties, low sludge moisture content, and small footprint

Inactive Publication Date: 2016-03-02
ZHEJIANG UNIV
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Problems solved by technology

[0009] In order to solve the problem that most of the existing sewage treatment equipment is aimed at centralized sewage treatment
The bulky equipment, high investment, and complex operation and management prevent these sewage treatment facilities from being well applied to the restoration of river courses and water bodies. The present invention proposes a device that integrates adsorption, flocculation, and sedimentation, and can be recycled after use. Utilization, no secondary pollution, high pollutant treatment efficiency, low operating cost, a sewage treatment device integrating coagulation, sedimentation and filtration

Method used

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  • Sewage treatment device integrating coagulation, sedimentation and filtration

Examples

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Embodiment 1

[0035] Embodiment 1 A sewage treatment device integrating coagulation, sedimentation, and filtration according to the present invention includes a device body with an open upper end. The device body includes a coagulation sedimentation chamber 2 and is surrounded by a coagulation sedimentation chamber The peripheral filter cavity 1, the jet pump 3 for pumping the water to be repaired, and the controller, the water inlet of the jet pump 3 is connected to the pipeline of the water to be repaired, and the water outlet of the jet pump 3 is connected to the water inlet pipe 4 is connected with one end, and the other end of the water inlet pipe 4 is equipped with a nozzle 41 for pumping the water to be repaired into the coagulation sedimentation chamber 2; the nozzle 41 is connected with the throat pipe 5 at the bottom of the coagulation sedimentation chamber The liquid inlet is connected; the liquid outlet of the throat 5 is connected with a flared divergent tube 51, the diameter of ...

Embodiment 2

[0047] Example 2 uses the device described in Example 1 for sewage treatment, wherein the water purification material is composed of fermentation materials of the 6 microorganisms mentioned in Example 1. The mixed fermentation material is counted with a hemocytometer. Make the number of viable microorganisms 3×108-20×108cfu / ml

[0048] The ratio of the 6 kinds of microbial fermentation materials is: 15-30:10-25:15-30:10:30:20-40:20-50. Take another 5-10 times the volume of modified diatomaceous earth and the above-mentioned mixed fermentation material, mix them evenly, and add them to the first and second reaction chambers.

[0049] The fermentation feed liquid of the microorganisms is obtained by activating the bacterial species stored on the solid slope through the process of seed culture and fermentation tank two-stage culture.

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Abstract

A sewage treatment device integrating coagulation, sedimentation and filtration comprises a device body with the open upper end. The device body comprises a coagulation sedimentation cavity, a filtering cavity surround the periphery of the coagulation sedimentation cavity, a jet pump for pumping a to-be-remedied water body and a controller. A water inlet of the jet pump is connected with a to-be-remedied water body pipe, a water outlet of the jet pump is communicated with one end of a water inlet pipe, and the other end of the water inlet pipe is provided with a nozzle for pumping the to-be-remedied water body into the coagulation sedimentation cavity. The nozzle is in sealed connection with a throat tube water inlet at the bottom of the coagulation sedimentation cavity. The filtering cavity is sequentially divided into a quartz sand layer, a magnetite layer and a supporting layer from top to bottom. The controller is electrically connected with the control end of the jet pump. The sewage treatment device has the advantages that the device integrates adsorption, flocculation and sedimentation and the polluted water body can undergo in-situ remediation by using the device. Since treated minerals have a certain self dehydration function, no other auxiliary material is added. Besides, pollutant treatment efficiency is high, and the operating cost is low.

Description

Technical field [0001] The invention relates to an integrated sewage treatment equipment, in particular to a sewage treatment device integrating coagulation, sedimentation and filtration. Background technique [0002] Water environmental protection concerns the vital interests of the people. . When the discharge of pollutants exceeds the self-purification capacity of the water body, it will cause the eutrophication of rivers and lakes and the black and odor of rivers. In the treatment of urban and rural water environment, although many rivers and lakes have undergone dredging and sewage interception projects, due to the incomplete interception of sewage and the release of pollutants from the lower layer of sludge after dredging, the river and lake water is still black and smelly or treated with nutrient-rich status. How to control the existing pollution state of rivers and lakes and restore a good dynamic water environment is a systemic technical problem of physics, chemistry,...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F3/34C02F1/28C02F1/52
Inventor 张搏徐向阳朱亮
Owner ZHEJIANG UNIV
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