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Magnetic coagulation integral wastewater treatment system and method

A wastewater treatment system and wastewater treatment technology, applied in the fields of magnetic field/electric field water/sewage treatment, flocculation/sedimentation water/sewage treatment, water/sewage treatment, etc., can solve the problem of large floor area and complicated magnetic coagulation treatment process, etc. problem, to achieve the effect of small footprint, solve the water problem of the community, and avoid loss

Pending Publication Date: 2017-11-07
温州大学苍南研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to improve the treatment effect of coagulation after the coagulant and flocculant are evenly distributed in the water, the coagulant and flocculant are usually added in different pools in the prior art, so the common magnetic coagulation system has an independent mixing tank. Coagulant dosing pool, flocculant dosing pool and magnetic powder dosing pool, but this makes the magnetic coagulation treatment process complicated and still occupies a large area

Method used

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  • Magnetic coagulation integral wastewater treatment system and method
  • Magnetic coagulation integral wastewater treatment system and method
  • Magnetic coagulation integral wastewater treatment system and method

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Experimental program
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Embodiment approach

[0036] The "integration" in the so-called "magnetic coagulation integrated wastewater treatment system" of the present invention refers to combining the reaction tank and the sedimentation tank together to form a coagulation, flocculation and magnetic powder integrated reaction tank. see figure 1 , a preferred embodiment of the magnetic coagulation integrated wastewater treatment system provided by the present invention includes: a water inlet pipe 1 , a reaction tank 4 , a dosing device, a magnetic powder adding device, and a sedimentation tank 5 . The above components will be described one by one below.

[0037]The reaction pool 4 is a device for receiving waste water, pharmaceuticals and magnetic powder, and performing magnetic coagulation treatment on the waste water, that is, after the waste water enters the reaction pool 4, it undergoes a magnetic coagulation reaction to form magnetic flocs. After the reaction is completed, the magnetic flocs The waste water enters the ...

Embodiment 1

[0071] The magnetic coagulation method of this embodiment treats the above-mentioned wastewater, and six groups of experiments are designed in total. The magnetic coagulation sedimentation time is 6 minutes, the dosage of coagulant is different, and the dosage of flocculant and magnetic powder is fixed, respectively: flocculant The dosage is 0.3mg / L, the dosage of magnetic powder is 500mg / L, and the stirring system of the reaction tank is: first stir at 80r / min for 2min, then stir at 300r / min for 1min; the test results are shown in Table 2 and figure 2 .

[0072] Table 2 Magnetic coagulation effect at different dosages of coagulants

[0073]

Embodiment 2

[0075] The magnetic coagulation method of this embodiment treats the above-mentioned waste water. Six groups of experiments are designed in total. The dosage is 0.3mg / L, the dosage of magnetic powder is 500mg / L, and the stirring system of the reaction tank is: first stir at 80r / min for 2min, then stir at 300r / min for 1min; the test results are shown in Table 3 and image 3 .

[0076] Table 3 Magnetic coagulation effect under different magnetic coagulation precipitation time

[0077]

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Abstract

The invention discloses a magnetic coagulation integral wastewater treatment system which comprises a water inlet tube, a dosing device, a magnetic powder adding device, a reaction tank and a settling pond, wherein the water inlet tube, the dosing device and the magnetic powder adding device are respectively communicated with the reaction tank, and wastewater, chemicals and magnetic powder are added into the reaction tank; the reaction tank is arranged at the inner upper part of the settling pond and is used for performing magnetic coagulation treatment on wastewater; the settling pond is used for receiving wastewater output from the reaction tank, used for settling down suspended flocculating constituents in the wastewater, and used for outputting purified water; the settled suspended flocculating constituents are discharged out through a sludge discharge pipeline. With the combination of the reaction tank and the settling pond, not only is wastewater rapidly and stably treated, but also a single coagulant and coagulant aid stirring tank is eliminated, so that the floor space is greatly reduced, consumption of the magnetic powder in different tanks is avoided, the removal efficiency is improved, corollary equipment and energy consumption are reduced, the sewage treatment cost is lowered, the system can be widely used in residential areas, and the problem of water supply of the residential areas can be solved.

Description

technical field [0001] The invention relates to a novel magnetic coagulation integrated wastewater treatment system and method, belonging to the technical field of wastewater treatment. Background technique [0002] Urban water consumption is increasing, and the water pollution problem is aggravating, seriously restricting economic development. Strengthening the development of wastewater treatment technology can effectively utilize polluted fresh water resources and relieve environmental and economic pressures. The small-scale water supply in the city changes frequently, and the adjustment volume of the clear water tank is large, and there are situations where intermittent operation makes it difficult to guarantee the quality of the effluent water. [0003] Magnetic coagulation sedimentation technology is to add magnetic powder synchronously in the ordinary coagulation sedimentation process, so that it can be integrated with pollutant flocculation, so as to strengthen the e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52C02F1/48
CPCC02F1/488C02F1/5281
Inventor 王奇张鹏飞赵敏于恒国柯强王传花戴传军刘颖景盛乐应越
Owner 温州大学苍南研究院
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