CN210915719U - Magnetic powder loading super-efficient separation wastewater treatment system - Google Patents
Magnetic powder loading super-efficient separation wastewater treatment system Download PDFInfo
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- CN210915719U CN210915719U CN201921436027.XU CN201921436027U CN210915719U CN 210915719 U CN210915719 U CN 210915719U CN 201921436027 U CN201921436027 U CN 201921436027U CN 210915719 U CN210915719 U CN 210915719U
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Abstract
The utility model discloses a magnetic loading super-efficient separation wastewater treatment system relates to water treatment technical field. It has solved among the prior art technical problem such as waste water treatment system medicament rate of utilization is low, reaction efficiency is low. The system comprises a reaction system, a sedimentation system, a sludge backflow and discharge system, a magnetic powder recovery system and a dosing system, wherein the sedimentation system returns sludge containing magnetic powder at the bottom of a sedimentation tank to a magnetic powder loading tank through a sludge backflow pump, returns the sludge containing magnetic powder at the bottom of the sedimentation tank to the magnetic powder recovery system through a residual sludge pump, returns the recovered magnetic powder to the magnetic powder loading tank again, and automatically flows the separated residual sludge to a sludge storage tank through gravity; the dosing system respectively adds the flocculating agent, the magnetic powder and the coagulant aid into the mixing tank, the magnetic powder loading tank and the flocculation tank. The utility model discloses processing system has improved reaction efficiency and medicament availability factor, obtains further promotion to TP and SS treatment, has good economy, environment and social.
Description
Technical Field
The utility model relates to a water treatment technical field, concretely relates to magnetic loading super-efficient separation effluent disposal system.
Background
With the development of industry and agriculture and the continuous acceleration of urbanization, the water environment situation in China is becoming more severe, and the water environment situation is reflected in two layers of water resource shortage and water pollution. At present, surface water and underground water in China are polluted to different degrees, the phenomenon of exceeding the standard of pollutants also exists in part of drinking water sources, the current situation of water pollution is not optimistic, and the human health is threatened while the development progress of the economy and the society is restricted. Water conservation, water environment treatment and wastewater treatment have become a social consensus and are more and more attracting attention of people.
In order to meet the primary A discharge standard of the current discharge standard of pollutants for municipal wastewater treatment plants (GB 18918-2002), even the IV and III water and local discharge standards of quasi-surface water environments in some environment sensitive areas, the deep treatment process in the sewage and wastewater treatment engineering is more and more widely applied, and typical technologies are as follows: a denitrification deep bed filter, a high-density sedimentation tank, a rotary disc filter, a micro-sand loading sedimentation tank, a magnetic loading coagulating sedimentation tank and the like. The loading precipitation technology has the advantages of good treatment effect on TP, COD, SS and other pollutant indexes, high load, land occupation saving, simple operation, etc., and the loading precipitation technology represented by the magnetic coagulation sedimentation tank technology is rapidly popularized and developed in the field of sewage and wastewater treatment engineering in recent years.
With the popularization of the magnetic coagulation sedimentation process, a series of problems occur in the practical application process, such as loading, sludge sedimentation in a flocculation reaction tank, high equipment failure rate, low magnetic powder recovery rate, blockage of a sludge pump, unstable effluent quality and the like, and the exertion of the process advantages is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magnetic loading super-efficient separation effluent disposal system, it can improve reaction effect and medicament availability factor, practices thrift the running cost, the stability of reinforcing system operation.
The technical scheme is as follows:
a magnetic powder loading super-efficient separation wastewater treatment system comprises a reaction system, a sedimentation system, a magnetic powder recovery system, a dosing system and a sludge backflow and discharge system, wherein the reaction system comprises a mixing tank, a reinforced coagulation tank, a magnetic powder loading tank and a flocculation tank which are sequentially arranged, water passing holes are formed in the walls of the adjacent tanks, the communication between the adjacent tanks is kept through the water passing holes, vortex baffles and vertical stirrers are arranged in the mixing tank, the reinforced coagulation tank, the magnetic powder loading tank and the flocculation tank, the vortex baffles are arranged in the middle/upper part of the wall of each tank, and 4 groups or 8 groups of vortex baffles are arranged in each tank;
the sedimentation system comprises a sedimentation tank and a mud scraper positioned in the sedimentation tank, the sedimentation tank is positioned behind the flocculation tank, the upper part of the sedimentation tank is provided with a water outlet, the middle part of the sedimentation tank is provided with an inclined tube filler, the bottom of the sedimentation tank is provided with a sludge main pipe, and the sludge main pipe is connected with the sludge reflux pump and the residual sludge pump;
the sludge backflow and discharge system comprises a sludge backflow pipeline and a residual sludge discharge pipeline, wherein one end of the sludge backflow pipeline is connected with the sludge main pipe through a sludge backflow pump, and the other end of the sludge backflow pipeline is connected with the upper part of the magnetic powder loading pool; one end of the excess sludge discharge pipeline is connected with a sludge discharge main pipe through an excess sludge pump, and the other end of the excess sludge discharge pipeline is connected with the magnetic powder recovery system;
the drug adding system comprises a PAC drug adding device and a PAM drug adding device, the PAC drug adding device is connected with the mixing tank, and the PAM drug adding device is connected with the flocculation tank;
the magnetic powder recovery system comprises a high-speed shearing machine and a magnetic separator, wherein one end of the high-speed shearing machine is connected with the excess sludge pump, the other end of the high-speed shearing machine is connected with the magnetic separator, magnetic powder is recovered through the high-speed shearing machine and the magnetic separator, the magnetic separator is positioned at the top of a magnetic powder loading pool, and the magnetic separator is used for adding the recovered magnetic powder into the magnetic powder loading pool.
Preferably, the magnetic separator is connected to the sludge storage tank through a pipeline and is used for enabling the separated residual sludge to automatically flow into the sludge storage tank under the action of gravity.
Preferably, a coagulant dosing diffuser and a PAM dosing diffuser are respectively arranged in the mixing tank and the flocculation tank and used for uniformly feeding PAC and PAM into the mixing tank and the flocculation tank.
Preferably, the coagulant dosing diffuser is positioned at the water inlet of the mixing tank, and the PAM dosing diffuser is positioned below the flocculation tank.
Preferably, the sedimentation tank is a vertical flow type, radial flow type, horizontal flow type or inclined tube sedimentation tank.
Compared with the prior art, the utility model discloses following beneficial technological effect has been brought:
(1) by adopting the system of the utility model, SS, TP and other pollutants are removed intensively, the treatment effect is good, and the system can stably reach the first-level A and quasi-IV water discharge standard;
(2) the utility model can greatly improve the utilization rate of the medicament, reduce the dosage of the medicament and save the operation cost;
(3) by optimizing and improving the structure, equipment and the like of the system, the operation stability of the system is improved, and the service life of the equipment is prolonged;
(4) the utility model discloses the system has and practices thrift and takes up an area of, easy operation, operation management advantage such as convenient, has good economy, environment and social.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of a magnetic powder loading super-efficient separation wastewater treatment system of the utility model;
FIG. 2 is a process flow diagram of the magnetic powder loading super-efficient separation wastewater treatment system of the utility model;
in the figure, 1, a PAC dosing device, 2, a high-speed shearing machine, 3, a magnetic separator, 4, a PAM dosing device, 5, a sludge storage tank, 6, a mud scraper, 7, a filter, 8, an excess sludge pump, 9, a return sludge pump, 10, a stirring device, 11, a dosing diffuser, 12 and a vortex baffle.
Detailed Description
The utility model provides a magnetic loading super-efficient separation effluent disposal system, in order to make the utility model discloses an advantage, technical scheme are clearer and more clear, it is right to combine specific embodiment below the utility model discloses do the detailed description.
The utility model relates to a stirring device, it is the same with prior art structure, including actuating mechanism, stirring rake and stirring vane, actuating mechanism drives the stirring rake rotatory to drive stirring vane and rotate, play the effect of stirring. Preferably, the stirrers in the mixing tank, the magnetic powder loading tank and the flocculation tank are vertical mechanical stirrers, and all adopt axial-flow type hydrofoil impellers to optimize the stirring effect.
The utility model relates to a dosing diffuser 11, the effect is to diffuse the medicament rapidly and evenly, the structure is referred to the prior art, for example, the prior art line type, ring type or radial type perforated pipe can be adopted, and the diffuser is preferably installed at the water inlet position or the lower part of the stirrer by 10-40 cm.
The utility model relates to a vortex baffle, its purpose cooperates the agitator to improve reaction efficiency, according to the size of cell body volume, and every pond of vortex baffle sets up 4 groups or 8 groups under the normal conditions.
The utility model relates to a sedimentation tank, which can adopt a vertical flow type, a radial flow type, a horizontal flow type sedimentation tank or an inclined tube (plate) sedimentation tank, when the sedimentation tank is square or round, a sludge bucket can be arranged in the central area of the bottom of the tank, the periphery is set to be sloping, and a center-driven heavy-load mud scraper is equipped; when the sedimentation tank is rectangular, the mud bucket can be arranged at the bottom of the water inlet side tank and can be provided with a chain plate type mud scraper or a hydraulic drive reciprocating mud scraper.
The utility model relates to a magnetic powder, the main component is Fe3O4The grain size range is 40-200 μm, and the effective component accounts for more than 90%.
The utility model relates to a filter 7 for basket filter prevents that debris from blockking up excess sludge pump and return sludge pump.
The utility model relates to a super effect separation effluent disposal system of magnetic loading, it includes reaction system, sedimentation system, mud backward flow and discharge system, magnetic recovery system and charge system. The reaction system comprises a mixing tank, a reinforced coagulation tank, a magnetic powder loading tank and a flocculation tank which are sequentially arranged, wherein water through holes are formed in the wall of the tank body which is sequentially connected, the tank bodies are communicated through the water through holes, and vortex baffles are arranged on the tank walls of the mixing tank, the reinforced flocculation tank, the magnetic powder loading tank and the flocculation tank;
as an improvement point of the utility model, be provided with vortex baffle 12 around mixing the pond, strengthening flocculation basin, magnetic loading pond, flocculation basin pool wall, the two combined action of vortex baffle's setting cooperation agitator can show improvement reaction efficiency.
Mix the pond and be provided with the water inlet, waste water gets into from the water inlet and mixes the pond in, all is provided with agitating unit 10 in mixing pond, intensive flocculation basin, magnetic loading pond and the flocculation basin, and during waste water treatment, it can improve reaction efficiency to open agitating unit 10.
The sedimentation system comprises a sedimentation tank and a mud scraper 6 positioned in the sedimentation tank, the sedimentation tank is positioned behind the flocculation tank, a water outlet is arranged at the upper part of the sedimentation tank, a sludge main pipe is arranged at the bottom of the sedimentation tank, supernatant water precipitated by the sedimentation tank is discharged from an overflow weir at the upper part of the sedimentation tank, the precipitated sludge enters the bottom of the sedimentation tank and is connected with a sludge return pipeline and a residual sludge discharge pipeline through a sludge main pipe at the bottom, one end of the sludge return pipeline is connected with the sludge main pipe through a sludge return pump 9, and the other end of the sludge return pipeline is connected with the upper part of the magnetic powder loading tank; one end of the excess sludge discharge pipeline is connected with the sludge discharge main pipe through an excess sludge pump 8, and the other end of the excess sludge discharge pipeline is connected with the magnetic powder recovery system;
under the action of the reaction system and the sedimentation system, the sludge containing the magnetic powder at the bottom of the sedimentation tank is refluxed into the magnetic powder loading tank through the sludge reflux pump, and the sludge containing the magnetic powder at the bottom of the sedimentation tank is refluxed into the magnetic powder recovery system through the residual sludge pump; and returning the recovered magnetic powder to the magnetic powder loading pool again, and automatically flowing the separated residual sludge into the sludge storage pool through gravity.
The drug adding system comprises a PAC drug adding device 1 and a PAM drug adding device 4, wherein the PAC drug adding device 1 is connected with the mixing tank and is positioned right above the mixing tank, the PAM drug adding device 4 is connected with the flocculation tank, the PAM drug adding device is positioned above the flocculation tank, and in the drug adding process, the drugs are quickly and uniformly diffused by arranging a drug adding diffuser 11 in the mixing tank and the flocculation tank;
the magnetic powder recovery system comprises a high-speed shearing machine 2 and a magnetic separator 3, the other end of the residual sludge pipeline is connected with the high-speed shearing machine, the high-speed shearing machine is connected with the magnetic separator, magnetic powder is recovered through the high-speed shearing machine and the magnetic separator, the magnetic separator is connected with a magnetic powder loading pool, and the magnetic separator is used for adding the recovered magnetic powder into the magnetic powder loading pool.
The treatment process of the magnetic powder loading super-efficient separation wastewater treatment system is explained in detail below. The method comprises the following specific steps:
the waste water gets into the utility model waste water treatment system after anterior segment technology is handled, at first get into the mixing tank, PAC charge device 1 puts into the mixing tank through the even medicament of the diffuser 11 of offeing medicine, under supporting agitating unit's effect, waste water and flocculating agent rapid mixing reaction, then get into the reinforced coagulation tank, under the condition of supporting agitating unit 10 and vortex baffle 12, the coagulation reaction of reinforced pollutant and medicament, improve reaction efficiency, then get into the magnetic powder loading pond, magnetic powder (magnetic powder) fully mixes with the coagulation floc, form the coagulation floc that the even loading of numerous magnetic powder combines, then get into the flocculation tank, throw coagulant aid into it through PAM charge device 4, increase the particle diameter of coagulation floc, make the coagulation floc cure, then get into the sedimentation tank and carry out mud-water separation, the supernatant flows through the overflow weir, supporting mud scraper 6 scrapes the sedimentation sludge into the sludge bucket, sludge in the sludge hopper is lifted by the excess sludge pump 8, possible impurities are filtered by the filter 7 and enter the high-speed shearing machine 2, the impeller of the high-speed shearing machine rotates at a high speed to break up flocs and magnetic powder, then the sludge enters the magnetic separator 3 to separate the magnetic powder from the sludge, the separated magnetic powder returns to the magnetic powder loading pool again, the sludge automatically flows into the sludge storage pool by gravity, the sludge in the sedimentation tank is conveyed to the magnetic powder loading pool by the return sludge pump 9, certain sludge concentration in the system is maintained, and the sludge flocculation effect and the use efficiency of medicaments are improved.
The present invention will be described in detail with reference to the following embodiments:
example 1:
will the utility model discloses processing system uses certain municipal sewage treatment plant, handles two heavy ponds effluent.
The water treatment amount of the water plant is 30000m3And d, effluent is designed according to the standard IV discharge standard.
The water quality of inlet and outlet water is detailed in table 1:
TABLE 1
Can know by table 1, adopt the utility model discloses this municipal sewage is handled to super effect separation effluent disposal system of magnetic loading, go out the water index and can stably reach accurate IV play water emission standard, and the COD clearance is 40%, and the TP clearance is 91.1%, and the SS clearance is 66.7%.
The utility model discloses the part that does not describe in can realize by reference prior art.
It should be noted that: any equivalents or obvious modifications thereof which may occur to persons skilled in the art and which are given the benefit of this description are deemed to be within the scope of the invention.
Claims (5)
1. The utility model provides a magnetic loading super-efficient separation effluent disposal system, its includes reaction system, sedimentation system, magnetic recovery system, medicine system and mud backward flow and discharge system, its characterized in that:
the reaction system comprises a mixing tank, a reinforced coagulation tank, a magnetic powder loading tank and a flocculation tank which are sequentially arranged, wherein water through holes are formed in the walls of the adjacent tanks, the communication between the adjacent tanks is kept through the water through holes, vortex baffles and vertical stirrers are arranged in the mixing tank, the reinforced coagulation tank, the magnetic powder loading tank and the flocculation tank, the vortex baffles are arranged in the middle/upper part of the wall of each tank, and 4 groups or 8 groups of vortex baffles are arranged in each tank;
the sedimentation system comprises a sedimentation tank and a mud scraper positioned in the sedimentation tank, the sedimentation tank is positioned behind the flocculation tank, the upper part of the sedimentation tank is provided with a water outlet, the middle part of the sedimentation tank is provided with an inclined tube filler, the bottom of the sedimentation tank is provided with a sludge main pipe, and the sludge main pipe is respectively connected with a sludge reflux pump and an excess sludge pump;
the sludge backflow and discharge system comprises a sludge backflow pipeline and a residual sludge discharge pipeline, wherein one end of the sludge backflow pipeline is connected with the sludge main pipe through a sludge backflow pump, and the other end of the sludge backflow pipeline is connected with the upper part of the magnetic powder loading pool; one end of the excess sludge discharge pipeline is connected with a sludge discharge main pipe through an excess sludge pump, and the other end of the excess sludge discharge pipeline is connected with the magnetic powder recovery system;
the drug adding system comprises a PAC drug adding device and a PAM drug adding device, the PAC drug adding device is connected with the mixing tank, and the PAM drug adding device is connected with the flocculation tank;
the magnetic powder recovery system comprises a high-speed shearing machine and a magnetic separator, wherein one end of the high-speed shearing machine is connected with the excess sludge pump, the other end of the high-speed shearing machine is connected with the magnetic separator, magnetic powder is recovered through the high-speed shearing machine and the magnetic separator, the magnetic separator is positioned at the top of a magnetic powder loading pool, and the magnetic separator is used for adding the recovered magnetic powder into the magnetic powder loading pool.
2. The magnetic powder loading super-efficient separation wastewater treatment system according to claim 1, characterized in that: the magnetic separator is connected to the sludge storage tank through a pipeline and is used for automatically flowing the separated residual sludge into the sludge storage tank under the action of gravity.
3. The magnetic powder loading super-efficient separation wastewater treatment system according to claim 1, characterized in that: and a coagulant dosing diffuser and a PAM dosing diffuser are respectively arranged in the mixing tank and the flocculation tank and are used for uniformly adding PAC and PAM into the mixing tank and the flocculation tank.
4. The magnetic powder loading super-efficient separation wastewater treatment system of claim 3, characterized in that: the coagulant dosing diffuser is positioned at the water inlet of the mixing tank, and the PAM dosing diffuser is positioned below the flocculation tank.
5. The magnetic powder loading super-efficient separation wastewater treatment system according to claim 1, characterized in that: the sedimentation tank is a vertical flow type, radial flow type, horizontal flow type or inclined tube sedimentation tank.
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| CN201921436027.XU CN210915719U (en) | 2019-08-30 | 2019-08-30 | Magnetic powder loading super-efficient separation wastewater treatment system |
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| CN201921436027.XU CN210915719U (en) | 2019-08-30 | 2019-08-30 | Magnetic powder loading super-efficient separation wastewater treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386714A (en) * | 2019-08-13 | 2019-10-29 | 青岛思普润水处理股份有限公司 | A kind of magnetic powder load is super to imitate separation waste water treatment system and treatment process |
| CN111908731A (en) * | 2020-08-21 | 2020-11-10 | 宜兴国蓝环保科技有限公司 | Sewage biochemical treatment system and method |
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2019
- 2019-08-30 CN CN201921436027.XU patent/CN210915719U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386714A (en) * | 2019-08-13 | 2019-10-29 | 青岛思普润水处理股份有限公司 | A kind of magnetic powder load is super to imitate separation waste water treatment system and treatment process |
| CN111908731A (en) * | 2020-08-21 | 2020-11-10 | 宜兴国蓝环保科技有限公司 | Sewage biochemical treatment system and method |
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