CN205838641U - A kind of magnetic flocculation water treatment system - Google Patents
A kind of magnetic flocculation water treatment system Download PDFInfo
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- CN205838641U CN205838641U CN201620808995.9U CN201620808995U CN205838641U CN 205838641 U CN205838641 U CN 205838641U CN 201620808995 U CN201620808995 U CN 201620808995U CN 205838641 U CN205838641 U CN 205838641U
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- magnetic powder
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Abstract
This utility model belongs to technical field of water treatment equipment, is specifically related to a kind of magnetic flocculation water treatment system.A kind of magnetic flocculation water treatment system, including: magnetic flocculation loading system, sedimentation tank, magnetic powder recovery system, sludge reflux pump, sludge concentration tank；Described magnetic flocculation loading system includes that flocculation tank, magnetic powder are loaded pond, help solidifying reaction tank, adjacent cell body to be sequentially communicated by dividing plate；Solidifying reaction tank is helped to be connected with sedimentation tank；Sedimentation tank is connected with magnetic powder recovery system；Described sludge reflux pump connects the bottom of sedimentation tank by pipeline one end, and the other end connects magnetic powder and loads pond；Sludge concentration tank is connected with magnetic powder recovery system；Sludge concentration tank connects dewatering system；The inlet channel of flocculation tank is provided with pipe-line mixer.This system, by the improvement in structure and optimization, makes system stability be greatly improved, and improves the response rate of magnetic powder, and system structure simplifies further, decreases floor space and cost of investment, and power consumption reduces further.
Description
Technical field
This utility model belongs to technical field of water treatment equipment, is specifically related to a kind of magnetic flocculation water treatment system.
Background technology
Along with fast development economic in recent years, the water resources crisis that water environment pollution causes has become as social economy and sends out
The important restriction factor of exhibition, in order to solve the problem of water resource worsening shortages, the water treatment facilities of various advanced persons and technology are the most not
Break and emerge in large numbers.Phosphorus-containing detergent can make the content of orthophosphate in municipal sewage be greatly increased, and process orthophosphate sewage and compare
Difficulty, and owing to its sedimentation function is the best and need to add flocculant in a large number and help it to precipitate, and the sedimentation time is longer.Use magnetic
Isolation technics can be good at solving the problems referred to above, and principle is while adding flocculant, adds magnetic powder equimagnetic in sewage
Property load, be allowed to and precipitate floe binds, then remove the pollutant in sewage by High-rate sedimentation and Magnetic filter, then will
Magnetic load recycling use.
Disclosing a kind of system removing pollutant from fluid in existing utility model patent CN201280483Y, this is
System includes mixing pit and sedimentation tank, and loads the pollutant in flocculation removal fluid by magnetisable material；The lower end of sedimentation tank is dirty
Dye thing outlet and hydrocyclone separation technology mechanism connection, described hydraulic cyclone mechanism includes mud-sucking device, breaker and at least
Individual hydrocyclone；Magnetisable material can be separated from pollutant by this hydrocyclone separation technology mechanism, thus reaches back
Receive the purpose of magnetisable material.The system provided in above-mentioned patent uses magnetic flocculation technology, although can effectively remove in sewage
Pollutant, and magnetisable material can be reclaimed, but this system is for separate magnetisable material only with hydrocyclone, and the response rate is low.
The technology improving the magnetisable material response rate improved, uses high-speed shearing machine and the form of magnetic drum separator series connection, this kind
Form power consumption is relatively big, increases system operation cost.
The utility model patent of Patent No. 201220523689.2 provides a kind of magnetic flocculation water treatment system, this system
Although pollutant can effectively be removed, the magnetisable material response rate is higher, reduces magnetic powder loss.But system structure is more complicated, take up an area
Area is relatively big, and mud is low with the separation rate of magnetic powder, and the response rate causing magnetic powder is the most relatively low.Owing to the mud of conveying containing
Having magnetic powder, pipeline and equipment to be easy to grind away, often break down, system stability is low.
Utility model content
The purpose of this utility model is to provide a kind of magnetic flocculation water treatment system, and this system is by the improvement in structure and excellent
Changing, make system stability be greatly improved, and improve the response rate of magnetic powder, system structure simplifies further, decreases occupation of land
Area and cost of investment, power consumption reduces further.
To achieve these goals, the technical solution adopted in the utility model is: a kind of magnetic flocculation water treatment system, bag
Include: magnetic flocculation loading system, sedimentation tank, magnetic powder recovery system, sludge reflux pump, sludge concentration tank；Described magnetic flocculation loads
System includes that flocculation tank, magnetic powder are loaded pond, help solidifying reaction tank, adjacent cell body to be sequentially communicated by dividing plate；Help solidifying reaction tank
It is connected with sedimentation tank；Sedimentation tank is connected with magnetic powder recovery system；Described sludge reflux pump connects sedimentation tank by pipeline one end
Bottom, the other end connect magnetic powder load pond；Sludge concentration tank is connected with magnetic powder recovery system；Sludge concentration tank connects dehydration
System；The inlet channel of flocculation tank is provided with pipe-line mixer.
Described magnetic powder recovery system includes magnetic powder elevator pump, pipeline-type high-shearing blender, magnetic drum withdrawer, and three is successively
It is connected in series；Magnetic powder elevator pump is connected with the bottom of sedimentation tank.
Described sedimentation tank includes into water water distribution, cell body, sludge bucket, water collecting dike, outlet canal；Water inlet water distribution is positioned at cell body
Top, sludge bucket is positioned at the bottom of cell body；Water collecting dike is that baffle plate via is connected with cell body；Water collecting dike connects with outlet canal；Described
Water inlet water distribution connect with helping solidifying reaction tank；Sludge bucket is connected with magnetic powder elevator pump.
Described sedimentation tank is provided with mud scraper, and the motor of mud scraper is positioned over the top of sedimentation tank, is propped up by shaped steel etc.
Support structure supports, and scrapes mud part and reaches in sludge bucket, and centre is connected by connection rotating shaft, alluvial in mud scraper scraped sludge bucket
Mud.
Described sedimentation tank includes cell body, sludge bucket, water inlet pipe, outlet pipe, water collecting dike, sludge pipe；The middle part of cell body sets
There is vertical central canal；Water inlet pipe connects with central canal；The middle part of cell body is settling zone, and top, settling zone is provided with water collecting dike, collection
Mill weir is connected with outlet pipe；Sludge bucket is positioned at the bottom of cell body；Sludge pipe is connected with sludge bucket；Water inlet pipe connects with helping solidifying reaction tank
Logical；Sludge pipe is connected with magnetic powder elevator pump.
Mud scraper it is provided with in sedimentation tank.
The bottom of cell body is provided with chamfering, and its effect is that the mud making sedimentation tank bottom comes together in sludge bucket.
Described flocculation tank, magnetic powder load pond, help and be respectively arranged with agitator above the cell body of solidifying reaction tank.
Described sludge reflux pump and magnetic powder elevator pump all select Pulp pump or anticorrosive anti-wear pump.
Magnetic flocculation water treatment system of the present utility model compared with prior art, has the advantages that 1, uses pipeline
Formula high-shear impeller replaces hydrocyclone, improves the separation rate of mud and magnetic powder, and then improves magnetic powder organic efficiency；
2, setting up pipe-line mixer, reduce the quantity of cell body, make whole system floor space than originally the least, energy consumption is lower, energy-conservation again
Reduce and take up an area and investment；
3, enriching the form of sedimentation tank, originally two kinds belong to swash plate, still can use, but swash plate easily blocks, and need
Wanting periodic cleaning, the most greatly, latter two need not be rinsed, and does not blocks；4, sludge reflux pump and magnetic powder elevator pump select Pulp pump or
Anticorrosive anti-wear pump；Owing to the mud of conveying contains magnetic powder, it is easy to grind away, often break down, select Pulp pump and corrosion resistant resistance to
Mill pump can be effectively improved the stability of equipment；5, pipeline uses wear-resistant material such as ABS, PE, PP or steel lining plastic etc., Ke Yiti
The wearability of high pipeline, improves stabilization of equipment performance.
Accompanying drawing explanation
Fig. 1 is magnetic flocculation water treatment system structural representation of the present utility model；
Fig. 2 is the structure chart of sedimentation tank in Fig. 1；
Fig. 3 is the structure chart of the sedimentation tank of another kind of embodiment；
Fig. 4 is the structure chart of the sedimentation tank of another kind of embodiment；
Fig. 5 is the structure chart of the sedimentation tank of another kind of embodiment.
Detailed description of the invention
As it is shown in figure 1, magnetic flocculation water treatment system of the present utility model, including: magnetic flocculation loading system, sedimentation tank 2, magnetic
Powder recovery system, sludge reflux pump 31, sludge concentration tank 41, sludge delivery pump 42, sludge dewatering equipment 43；Magnetic flocculation loading system
Loading pond 12 including flocculation tank 11, magnetic powder, help solidifying reaction tank 13, adjacent cell body is sequentially communicated by dividing plate；Anti-in flocculation
Answer pond 11, magnetic powder to load pond 12, help and above solidifying reaction tank 13, be respectively arranged with agitator 15, use channel-section steel or other form shaped steel
By being welded and fixed or screw is fixed.
Inlet channel at flocculation tank 11 is provided with pipe-line mixer 01.With pipe-line mixer 01, flocculation tank
11 and help what solidifying reaction tank 13 connected to also have dispensing system and load pump, it is respectively as follows: pH regulation dispensing system 51 and pH regulator
The pH regulator loading system of load pump 54 composition, is connected with pipe-line mixer 01；Flocculant dispensing system 52 and flocculant
The flocculant loading system of load pump 55 composition is connected with flocculation tank 11；Flocculation aid dispensing system 53 loads with flocculation aid
The flocculation aid loading system of pump 56 composition is connected with helping solidifying reaction tank 13.The water outlet of solidifying reaction tank 13 is helped to be connected with sedimentation tank 2.
As shown in Figure 2,3, sedimentation tank 2 is a square pond to the structure of sedimentation tank 2, including entering water water distribution 21, cell body 22, mud
Bucket 23, swash plate 24, water collecting dike 25, outlet canal 26；Water inlet water distribution 21 is positioned at cell body 22 top, and water inlet water distribution 21 and cell body 22 use
The lower partition connects, and sludge bucket 23 is positioned at the bottom of cell body 22, uses single bucket or many buckets；Swash plate 24 is positioned over cell body 22
Mid portion；Water collecting dike 25 is positioned over swash plate 24 side；Outlet canal 26 is connected for baffle plate via with cell body 22；Water collecting dike 25
Connect with outlet canal 26；Water inlet water distribution 21 connects with helping solidifying reaction tank 13.
As in figure 2 it is shown, be provided with mud scraper 27 in the middle part of cell body 22, the motor of mud scraper 27 is positioned over the upper of sedimentation tank
Side, is supported by supporting constructions such as shaped steel, and scraping mud part reaches in sludge bucket, and centre is connected by connection rotating shaft, and mud scraper can
The mud deposited in striking off sludge bucket 23.
Sedimentation tank structure as shown in Figure 3, owing to the sludge bucket of cell body bottom is approximate cone-shape, mud is not easy to deposit
On pool wall, therefore mud scraper can not be installed.
As a kind of preferred embodiment of the present utility model, the structure of sedimentation tank as shown in Figure 4, including cell body 60, mud
Bucket 65, water inlet pipe 61, outlet pipe 67, water collecting dike 66, sludge pipe 68；The middle part of cell body 60 is provided with vertical central canal 62；Water inlet
Pipe 61 connects with central canal 62；The bottom of cell body 60 is taper, and the middle part of cell body 60 is settling zone 63, and top, settling zone 63 is provided with
Water collecting dike 66, water collecting dike 66 is connected with outlet pipe 67；Sludge bucket 65 is positioned at the bottom of cell body 60；Sludge pipe 68 is with sludge bucket 65 even
Connect；Water inlet pipe 61 connects with helping solidifying reaction tank 13.
For another kind of preferred embodiment of the present utility model, the structure of sedimentation tank can also be designed to as shown in Figure 5
Form, cell body 60 is square, is provided with chamfering 64 in the bottom of cell body 60, and has mud scraper 69 cell body is internally installed, and it is made
With being to prevent mud from depositing on the pool wall of cell body bottom, make mud come together in sludge bucket 65, discharged by sludge pipe 68.
Sludge bucket or the sludge pipe of sedimentation tank are connected with sludge reflux pump 31 and magnetic powder elevator pump 32；Sludge reflux pump 31 is even
Connect magnetic powder and load pond 12.Magnetic powder elevator pump 32 connects duct type high-shear impeller 33；High-shear impeller 33 connects magnetic drum and returns
Receive device 34；Connect magnetic drum withdrawer 34 and connect sludge concentration tank 41；Sludge concentration tank 41 connects mud by sludge delivery pump 42
Dewaterer 43.Sludge reflux pump 31 and magnetic powder elevator pump 32 select Pulp pump or anticorrosive anti-wear pump.
All pipelines in magnetic flocculation water treatment system of the present utility model all use plastics, ABS, PE etc., improve
The wearability of pipeline, improves stabilization of equipment performance.
The working method of magnetic flocculation water treatment system of the present utility model is as described below: pending water is first into pipe
In road blender, in pipe-line mixer, add pH regulator by loading system and quickly mix, particle-stabilised to reach to destroy
Property and increase probability impinging one another between particle and particle；Further flocculated during water enters into flocculation tank afterwards,
Water after flocculation enters into magnetic powder and loads pond, adds magnetic powder in magnetic powder loads pond, and the main component of magnetic powder is ferroso-ferric oxide,
Carry out the loading of magnetic powder and flco, and mix homogeneously, enter into after mixing and help in solidifying reaction tank, help interpolation in solidifying reaction tank to help solidifying
Agent, is combined magnetic powder and flco by bridging action, completes the water after whole magnetic loads flocculation and enters in sedimentation tank
Carrying out efficient solid-liquid separation, carry the flco of magnetic powder due to density very greatly, sedimentation velocity quickly, thus considerably increases precipitation
The surface loading in pond, and the surface that sedimentation tank body increases sedimentation tank body further by the increase mode such as swash plate or inclined tube is negative
Lotus, strengthens outlet effect；Water after process enters water collecting dike and converges to outlet canal or outlet pipe discharge.Outside water after process is up to standard
Row.
A flco part for the loading magnetic powder of sedimentation bottom sedimentation tank body is returned directly to magnetic powder by sludge reflux pump and adds
Carrying pond further to be reacted, another part enters into high-shear impeller by magnetic powder elevator pump and magnetic powder and flco is divided
From, and the magnetic powder after separating is fed directly to magnetic powder and loads in pond and recycle, and separates the flco after magnetic powder and enters magnetic drum and divide
Reclaiming from device, reclaimed by magnetic powder further and enter into recycling in magnetic powder loading pond, it is dense that floc sludge is drained into mud
In contracting pond, carrying out sludge condensation, the mud after concentration enters into sludge dewatering equipment by sludge delivery pump and carries out sludge dewatering, de-
Mud outward transport after water, the supernatant in sludge concentration tank is back in pipe-line mixer proceed to process.
Claims (9)
1. a magnetic flocculation water treatment system, including: magnetic flocculation loading system, sedimentation tank, magnetic powder recovery system, sludge reflux
Pump, sludge concentration tank；Described magnetic flocculation loading system includes that flocculation tank, magnetic powder load pond, help solidifying reaction tank, adjacent pool
Body is sequentially communicated by dividing plate；Solidifying reaction tank is helped to be connected with sedimentation tank；Sedimentation tank is connected with magnetic powder recovery system；Described mud
Reflux pump connects the bottom of sedimentation tank by pipeline one end, and the other end connects magnetic powder and loads pond；Sludge concentration tank reclaims with magnetic powder
System connects；Sludge concentration tank connects dewatering system；It is characterized in that: the inlet channel of flocculation tank is provided with pipeline and mixes
Clutch.
Magnetic flocculation water treatment system the most according to claim 1, it is characterised in that: described magnetic powder recovery system includes magnetic powder
Elevator pump, pipeline-type high-shearing blender, magnetic drum withdrawer, three is sequentially connected in series；Magnetic powder elevator pump and the end of sedimentation tank
Portion connects.
Magnetic flocculation water treatment system the most according to claim 2, it is characterised in that: described sedimentation tank includes into water cloth
Water, cell body, sludge bucket, water collecting dike, outlet canal；Water inlet water distribution is positioned at the top of cell body, and sludge bucket is positioned at the bottom of cell body；Catchment
Weir is that baffle plate via is connected with cell body；Water collecting dike connects with outlet canal；Described water inlet water distribution connects with helping solidifying reaction tank；Mud
Bucket is connected with magnetic powder elevator pump.
Magnetic flocculation water treatment system the most according to claim 3, it is characterised in that: described sedimentation tank is provided with scrapes mud
Machine, the motor of mud scraper is positioned over the top of sedimentation tank, scrapes mud part and reaches in sludge bucket, and centre is connected by connection rotating shaft,
Mud scraper can be by the sludge scraping in sedimentation tank to bucket.
Magnetic flocculation water treatment system the most according to claim 2, it is characterised in that: described sedimentation tank includes cell body, dirt
Bucket, water inlet pipe, outlet pipe, water collecting dike, sludge pipe；The middle part of cell body is provided with vertical central canal；Water inlet pipe is with central canal even
Logical；The middle part of cell body is settling zone, and top, settling zone is provided with water collecting dike, and water collecting dike is connected with outlet pipe；Sludge bucket is positioned at cell body
Bottom；Sludge pipe is connected with sludge bucket；Water inlet pipe connects with helping solidifying reaction tank；Sludge pipe is connected with magnetic powder elevator pump.
Magnetic flocculation water treatment system the most according to claim 5, it is characterised in that: in sedimentation tank, it is provided with mud scraper.
Magnetic flocculation water treatment system the most according to claim 6, it is characterised in that: the bottom of cell body is provided with chamfering, and it is made
With being that the mud making sedimentation tank bottom comes together in sludge bucket.
8. according to the magnetic flocculation water treatment system described in any one of claim 1-7, it is characterised in that: described flocculation reaction
Pond, magnetic powder load pond, help and be respectively arranged with agitator above the cell body of solidifying reaction tank.
9. according to the magnetic flocculation water treatment system described in any one of claim 2-7, it is characterised in that: sludge reflux pump and magnetic powder
Elevator pump selects Pulp pump or anticorrosive anti-wear pump.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106966474A (en) * | 2017-04-26 | 2017-07-21 | 广东卓信环境科技股份有限公司 | A kind of countryside sewage treating technique |
| CN107162141A (en) * | 2017-06-16 | 2017-09-15 | 河海大学 | A kind of magnetic flocculation precipitation process sewage device and its handling process |
| CN107399885A (en) * | 2017-08-24 | 2017-11-28 | 天津市水利科学研究院 | A kind of cleaning system and its method with the coagulation cyclone filter backwashed |
| CN107879448A (en) * | 2017-12-26 | 2018-04-06 | 北京奥友兴业科技发展有限公司 | A kind of efficiently loading flocculation sewage-treatment plant |
| CN108203148A (en) * | 2018-02-09 | 2018-06-26 | 重庆大雨水生态科技有限公司 | A kind of flocculation sedimentation system and sewage disposal system |
| CN108383265A (en) * | 2017-12-27 | 2018-08-10 | 上海汀滢环保科技有限公司 | Efficient combination clarification system for rainfall pumping station dry flow sewage pollutant fluxes |
| CN108394970A (en) * | 2017-02-21 | 2018-08-14 | 天津市融泰水务有限公司 | A kind of magnetic intervention accelerates separation water treatment system and processing method |
| CN108483751A (en) * | 2018-06-15 | 2018-09-04 | 江苏德科环境科技有限公司 | Integrated deoiling separator for removing dirt |
| CN109133282A (en) * | 2018-04-13 | 2019-01-04 | 广东新环环保产业集团有限公司 | A kind of magnetic-coagulation efficient sedimentation tank sewage disposal system |
| CN109574365A (en) * | 2018-12-25 | 2019-04-05 | 青岛洛克环保科技有限公司 | A kind of the materialization sewage disposal system and method for synchronous deamination phosphorus removing |
| CN109574363A (en) * | 2018-12-24 | 2019-04-05 | 安徽普氏生态环境工程有限公司 | A kind of Portable magnetic coagulation-sedimentation equipment |
| 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 |
| CN110451616A (en) * | 2019-07-31 | 2019-11-15 | 青岛洛克环保科技有限公司 | A kind of the materialization sewage disposal system and method for synchronous removal COD and total phosphorus |
| CN111056722A (en) * | 2018-10-17 | 2020-04-24 | 中电建生态环境集团有限公司 | Sludge treatment equipment |
| CN112266112A (en) * | 2020-10-26 | 2021-01-26 | 逸辰环保科技(厦门)有限公司 | Heavy metal wastewater treatment system |
| CN112919596A (en) * | 2021-01-29 | 2021-06-08 | 天津市润达金源水务有限公司 | Device and method for recycling magnetic powder in magnetic flocculation system |
| CN113023847A (en) * | 2021-03-11 | 2021-06-25 | 中节能兆盛环保有限公司 | Novel magnetic material recycling and lifting method and device for magnetic coagulation sedimentation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108394970A (en) * | 2017-02-21 | 2018-08-14 | 天津市融泰水务有限公司 | A kind of magnetic intervention accelerates separation water treatment system and processing method |
| CN106966474A (en) * | 2017-04-26 | 2017-07-21 | 广东卓信环境科技股份有限公司 | A kind of countryside sewage treating technique |
| CN107162141A (en) * | 2017-06-16 | 2017-09-15 | 河海大学 | A kind of magnetic flocculation precipitation process sewage device and its handling process |
| CN107399885A (en) * | 2017-08-24 | 2017-11-28 | 天津市水利科学研究院 | A kind of cleaning system and its method with the coagulation cyclone filter backwashed |
| CN107399885B (en) * | 2017-08-24 | 2023-12-08 | 天津市水利科学研究院 | Purification system with backwash coagulation cyclone filtration and method thereof |
| CN107879448A (en) * | 2017-12-26 | 2018-04-06 | 北京奥友兴业科技发展有限公司 | A kind of efficiently loading flocculation sewage-treatment plant |
| CN107879448B (en) * | 2017-12-26 | 2024-01-19 | 北京奥友兴业科技发展有限公司 | High-efficient loading flocculation sewage treatment plant |
| CN108383265A (en) * | 2017-12-27 | 2018-08-10 | 上海汀滢环保科技有限公司 | Efficient combination clarification system for rainfall pumping station dry flow sewage pollutant fluxes |
| CN108203148A (en) * | 2018-02-09 | 2018-06-26 | 重庆大雨水生态科技有限公司 | A kind of flocculation sedimentation system and sewage disposal system |
| CN109133282A (en) * | 2018-04-13 | 2019-01-04 | 广东新环环保产业集团有限公司 | A kind of magnetic-coagulation efficient sedimentation tank sewage disposal system |
| CN108483751A (en) * | 2018-06-15 | 2018-09-04 | 江苏德科环境科技有限公司 | Integrated deoiling separator for removing dirt |
| CN111056722B (en) * | 2018-10-17 | 2024-03-19 | 中电建生态环境集团有限公司 | Sludge treatment equipment |
| CN111056722A (en) * | 2018-10-17 | 2020-04-24 | 中电建生态环境集团有限公司 | Sludge treatment equipment |
| CN109574363A (en) * | 2018-12-24 | 2019-04-05 | 安徽普氏生态环境工程有限公司 | A kind of Portable magnetic coagulation-sedimentation equipment |
| CN109574365A (en) * | 2018-12-25 | 2019-04-05 | 青岛洛克环保科技有限公司 | A kind of the materialization sewage disposal system and method for synchronous deamination phosphorus removing |
| CN110451616A (en) * | 2019-07-31 | 2019-11-15 | 青岛洛克环保科技有限公司 | A kind of the materialization sewage disposal system and method for synchronous removal COD and total phosphorus |
| 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 |
| CN112266112A (en) * | 2020-10-26 | 2021-01-26 | 逸辰环保科技(厦门)有限公司 | Heavy metal wastewater treatment system |
| CN112919596A (en) * | 2021-01-29 | 2021-06-08 | 天津市润达金源水务有限公司 | Device and method for recycling magnetic powder in magnetic flocculation system |
| CN113023847A (en) * | 2021-03-11 | 2021-06-25 | 中节能兆盛环保有限公司 | Novel magnetic material recycling and lifting method and device for magnetic coagulation sedimentation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |