CN107640866A - It is a kind of can scale continuously reclaim the method and apparatus of magnetic nanoparticle in waste water - Google Patents
It is a kind of can scale continuously reclaim the method and apparatus of magnetic nanoparticle in waste water Download PDFInfo
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- CN107640866A CN107640866A CN201711133927.2A CN201711133927A CN107640866A CN 107640866 A CN107640866 A CN 107640866A CN 201711133927 A CN201711133927 A CN 201711133927A CN 107640866 A CN107640866 A CN 107640866A
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Abstract
The present invention relates to it is a kind of can scale continuously reclaim the method and apparatus of magnetic nanoparticle in waste water.The present invention uses continuous gas magnetic assist separation equipment, and it is mainly made up of air-flotation column and magnetic roller.The clear liquid for being pumped into non magnetic particles in air-flotation column first just contacts to liquid level with magnetic roller, open air valve, control gas continues through air-flotation column, then the magnetic particle waste water solution of the absorption pollutant fully to suspend is continuously pumped into air-flotation column, rising bubble is continuously captured and is enriched with to magnetic particle, under the surface force effect that magneticaction and bubble apply to it, magnetic nanoparticle is continuously exported by magnetic roller, enter receiving slit in the presence of scraper plate, bottom clear liquid flows into feed liquid receiving slit from outlet through U-shaped regulation pipe, so as to realize that the scale of magnetic nanoparticle is continuously reclaimed.It is of the invention continuous operation and to be easy to amplify, it is cheap using low field permanent magnet and running cost and equipment cost, can effectively solve the problems, such as to be difficult in magnetic particle removal process continuously with amplification.
Description
Technical field
The present invention relates to water-treatment technology field, more particularly to one kind can scale continuously reclaim magnetic Nano in waste water
The method and apparatus of particle.
Background technology
The various pollutants in water body how to be removed to protection water environment and solve the serious pollution problem tool of current water environment
There is important meaning.In numerous minimizing technologies, superparamagnetic isolation technics has the advantages of simple, quick, has turned into recent years
One important study hotspot, so-called superparamagnetic isolation technics refer to the superparamagnetism adsorbent by customization to target contaminant
Adsorption is produced, then simply and rapidly reclaims the technology of these adsorbents from solution by externally-applied magnetic field.Superparamagnetic
Property adsorbent refers to using the superparamagnetic nano particle less than 30nm as functionalization base core(By being coated or directly in its table
Face is modified)Adsorbent, the superparamagnetism adsorbent of the nanometer particle size not only high absorption property with nano adsorber but also with can
By externally-applied magnetic field from solution low cost, the premium properties that quickly reclaims, and be easy to divide again without remanent magnetism after adsorbent recovery
Dissipate(The essential characteristic of superparamagnetism), thus be easy to reuse.
But after the target contaminant in magnetic nanoparticle Adsorption waste water, how from large volume waste water solution
These weak magnetic nanoparticles of high efficiente callback are still a prominent problem.The high-gradient magnetic separation unit generally used at present
Limited in the presence of separation scale by magnetic field intensity and magnetic matrix capacity, can only intermittently operated, separation costs become big with scale
And the magnetic particle for dramatically increasing and being captured is difficult to fully erased the defects of getting off from magnetic matrix.Therefore one kind is developed both to hold
Easily amplification and can continuously the method and apparatus of high efficiente callback magnetic nanoparticle enter one for magnetic separation technique from waste water
Step development and industrial applications have very important meaning.
What recent decades grew up is used for the bubble adsorption separation technology that particle rich separates in the aqueous solution, abbreviation air supporting
Isolation technics, it is the principle according to surface interaction force between bubble and particle, and the glue in solution is made using bubble as carrier
Body particle etc. adheres to or adsorbed at " solution-air " interface and with mother liquor quick separating so as to realizing particle rich and capture at a distance
Method.It has that device is simple, is easy to amplification, can operate continuously, low power consumption and other advantages, in particles such as mineral, coal and plastics
FLOTATION SEPARATION in terms of have a wide range of applications.
Based on this, the present invention proposes air flotation technology being coupled in superparamagnetic isolation technics, i.e.,:By bubble to superparamagnetism
The magnetic force of the surface reaction forces auxiliary magnetic field of particle is provided commonly for the capture of magnetic nanoparticle, to strengthen Magneto separate mistake significantly
Journey so that Magneto separate process is easy to amplify, and the efficient air magnetic assist point that can be operated continuously further is developed on this basis
From equipment.It is final to provide a feasible method and height to solve the scale of magnetic nanoparticle in waste water solution recovery problem
The equipment of effect.The it is proposed of the inventive method will greatly promote superparamagnetic isolation technics in waste water various pollutants handle it is extensive
Using particularly scale continuous application provides support for the further fast development of the technology.
The content of the invention
The defects of magnetic-particle is reclaimed from water body for current high-gradient magnetic separation unit, the present invention provides one kind can
The method and apparatus of magnetic nanoparticle in waste water is continuously reclaimed in scale, by the way that bubble is introduced into magnetic to the surface force of magnetic particle
Separation process, strengthen the process significantly and so that it is easy to amplification with continuously, thus solve magnetic nanoparticle in waste water solution
Removal process be difficult to amplify, can not operate continuously and the problem such as separation costs height.
To solve the above problems, the present invention uses following technical scheme:
It is a kind of can the scale method that continuously reclaims magnetic nanoparticle in waste water, comprise the following steps:
Using continuous gas magnetic assist separation equipment, the equipment includes the air-flotation column with aeration performance and the energy being arranged at the top of it
Reach speed governing and the magnetic roller that can continuously rotate, the clear liquid for being pumped into non magnetic particles into air-flotation column first just connect to liquid level with magnetic roller
Touch, open air valve, control gas continues through air-flotation column with certain flow rate, then by the magnetic of the absorption pollutant fully to suspend
Nano particle waste water solution is continuously pumped into air-flotation column, and rising bubble is continuously captured to magnetic nanoparticle and is enriched to liquid
Face forms solution of magnetic nanoparticles enrichment region, under the surface force collective effect that magneticaction and bubble apply to it, magnetic
Nano particle is continuously exported by magnetic roller, and magnetic nanoparticle receiving slit is entered in the presence of scraper plate, and bottom clear liquid goes out from clear liquid
Mouth flows into clear liquid receiving slit through U-shaped liquid level adjustment pipe, so as to realize that the scale of magnetic nanoparticle is continuously reclaimed.
Further, pollutant is selected from one or more kinds of inorganic ions or organic matter.
Further, magnetic nanoparticle be selected from as obtained by investment or modification with super-paramagnetism nano
Grain is the nano particle of base core, or can be separated by magnetic field, and particle diameter is 5 ~ 500nm nano particle.
Further, gas is selected from air or inert gas, and the flow control for the gas being passed through is 0 ~ 1000 L/min.
The principle of the above method is mainly reflected in continuous gas magnetic assist separation equipment, this method energy continuous operation and is easy to
Amplification, it is cheap using low field permanent magnet and running cost and equipment cost, can effectively solve to be difficult to connect in magnetic particle removal process
The problem of continuous and amplification.
A kind of continuous gas magnetic assist separation equipment for the above method, including air-flotation column and magnetic roller, set at the top of air-flotation column
Magnetic roller is put, the bottom of air-flotation column is provided with gas distributor, and the top of air-flotation column sets feed liquid port, and the bottom of air-flotation column is set clearly
Liquid exports;Described magnetic roller is driven by variable speed electric motors, particularly, is made up of sleeve and magnetic roller inner cylinder, and magnetic roller inner cylinder magnetic circuit has certain uniform
Surface field intensity, energy fast Acquisition magnetic nanoparticle, sleeve set scraper plate and barrel contacts, are easy to magnetic nanoparticle outside
Scrape.The change combined by variable speed electric motors, particularly, sleeve and magnetic roller inner cylinder, different velocities of rotation and rotating manner can be achieved.
Further, described gas distributor is selected from the sand core funnel of different model or the micropore of suitable air supporting post shapes
Gas distributing pipeline.Such as the sand core funnel of model G1, G2, G3, G4 and G5 series commonly used in the art;Or various sizes micropore
Gas pipe made of the pipeline of footpath, it can preferably produce the small-bore pipeline of micro-bubble.
Further, described variable speed electric motors, particularly is selected from the motor of AC or DC input, and regulations speed is 0 ~ 500 rev/min;
Described sleeve can freely be rotated by non-magnetic rustproof steel making independently of magnetic roller inner cylinder;The magnetic field intensity is selected from 0.1 ~ 20T;
The scraper plate material is selected from metal, plastics, alloy and wood.
Further, in addition to auxiliary equipment gas delivery system, material liquid induction system and clear liquid particle output system,
The gas delivery system is connected by gas cylinder by pipeline with the air inlet of surge tank, and the gas vent of surge tank passes through rotor
Flowmeter is connected with the gas access of air supporting column bottom;The material liquid induction system is passed through by the raw material liquid trough with agitating device
Pipeline connects with peristaltic pump, and wriggling pump discharge is connected with the feed liquid port of air-flotation column;The clear liquid particle output system is by upper
Portion connects the clear of air-flotation column purified liquor outlet with bottom close to the magnetic nanoparticle receiving slit of magnetic roller scraper plate through U-shaped liquid level adjustment pipe
Liquid receiving slit is formed.
, can be by adjusting external process for different pollution objects systems to be removed and different types of magnetic nanoparticle
Parameter is such as:Gas flow rate, Air Bubble Size, the pH value of feed liquid, ionic strength etc. provide greater number and smaller bubble or make gas
Bubble can apply bigger surface reaction forces to magnetic nanoparticle, so as to reach faster recovery rate, higher continuous processing
Amount and more thorough magnetic particle recovery.
The beneficial effects of the present invention are:
Instant invention overcomes many deficiencies existing for existing magnetic separating device, and air flotation technology is coupled into superparamagnetic isolation technics
In, the surface reaction forces of magnetic particle are continuously reclaimed with magnetic force collective effect to magnetic nanoparticle using bubble, with warp
The high-gradient magnetic separation unit of allusion quotation compares, this method have can continuous operation, be easy to amplification, low field permanent magnet can be used
And running cost and equipment cost is cheap, magnetic particle is easy to the advantage such as remove from magnetic separating device, in magnetic-particle recovery especially
Be weak magnetic nanoparticle in the aqueous solution scale continuously have a good application prospect in terms of recovery with it is industrial extensive
The application value of waste water treatment engineering.
Brief description of the drawings
Fig. 1 is the structural representation for the gas magnetic assist separation equipment of the invention for including auxiliary equipment, wherein, 1. gas cylinders, 2.
Pressure-reducing valve, 3. surge tanks, 4. spinner flowmeters, 5. raw material liquid troughs, 6. agitators, 7. peristaltic pumps, 8. gas distributors, 9. feed liquids
Entrance, 10. air-flotation columns, 11. magnetic rollers, 12. scraper plates, 13. magnetic nanoparticle receiving slits, 14.U type liquid level adjustment pipes, 15. clear liquids
Receiving slit.
Embodiment
The present invention will be further described by the following examples, is not intended to limit the present invention.
Embodiment 1
Using the continuous gas magnetic assist separator shown in Fig. 1, the device mainly includes air-flotation column 10(Internal diameter 64mm, long 650mm)
With magnetic roller 11, the top of air-flotation column 10 is provided with the magnetic roller 11 of fixed position(Internal diameter 64mm, the long 70mm of magnetic roller), air-flotation column 10
Bottom be provided with gas distributor 8, the top of air-flotation column 10 sets feed liquid port 9, and the bottom of air-flotation column 10 sets purified liquor outlet,
Magnetic roller 11 is driven by variable speed electric motors, particularly, is made up of sleeve and magnetic roller inner cylinder, and magnetic roller inner cylinder magnetic circuit has certain uniform outer surface magnetic field strong
Degree, energy fast Acquisition magnetic nanoparticle, sleeve set scraper plate 12 and barrel contacts, are easy to magnetic nanoparticle to scrape outside.
Also include auxiliary equipment gas delivery system, material liquid induction system and clear liquid particle output system.Gas conveys
System is connected by gas cylinder 1 by pipeline, pressure-reducing valve 2 with the air inlet of surge tank 3, and the gas vent of surge tank 3 passes through rotor
Flowmeter 4 is connected with the gas access of the bottom of air-flotation column 10, then conveys gas into air-flotation column 10 by gas distributor 8;
Material liquid induction system is connected by the raw material liquid trough 5 of belt stirrer 6 through pipeline with peristaltic pump 7, the outlet of peristaltic pump 7 and air-flotation column 10
Feed liquid port 9 be connected lead to transferring raw material liquid in air-flotation column 10;Clear liquid particle output system is by top close to magnetic roller scraper plate 12
Magnetic nanoparticle receiving slit 13 the clear liquid receiving slit 15 of air-flotation column purified liquor outlet is connected through U-shaped liquid level adjustment pipe 14 with bottom
Form.
It is as follows to the removal process of magnetic nanoparticle in waste water using described continuous gas magnetic assist separator:
To adsorbing Pb2+Magnetic nanoparticle continuously reclaimed from waste water solution, the magnetic nanoparticle chooses humic
The superparamagnetism Fe of sour sodium modification3O4Nano particle, selected waste water are heavy metal Pb containing 30mg/L2+Waste water.
Concrete operations are:The Fe for taking 2000mg sodium humates to modify3O4Nano particle, 667mL pH are added to as neutrality,
Pb2+Concentration is in 30ppm waste water solution, passes through mechanical agitation oar(Rotating speed 250rpm)Stirring and adsorbing 30min, reach suction
Attached balance, then pour this solution into 5L large beaker, add deionized water to be diluted to 4L, the material liquid as the separation of gas magnetic assist
It is standby.
Under the conditions of continuous operation, the clear liquids of non magnetic particles is pumped into first in air-flotation column 10 to liquid level and magnetic roller 11 just
Contact, opens air valve, and adjusting gas flow, wriggling pump discharge, magnetic roller rotating speed be setting value, will fully be suspended through peristaltic pump 7
The magnetic nanoparticle waste water solution of absorption pollutant is continuously pumped into air-flotation column 10, while the U-shaped liquid level adjustment pipe of quick regulation
14, the liquid level in air-flotation column 10 is had with magnetic roller 11 and suitably contact and remain constant.Rising bubble is continuously to being adsorbed with Pb2+Corruption
The magnetic nanoparticle for growing sour sodium modification is captured and is enriched to liquid level formation solution of magnetic nanoparticles enrichment region, in magnetic force
Under the surface force collective effect that effect applies with bubble to it, magnetic nanoparticle is continuously exported by magnetic roller 11, in scraper plate 12
Effect is lower to enter magnetic nanoparticle receiving slit 13, and bottom clear liquid flows into clear liquid through U-shaped liquid level adjustment pipe 14 from purified liquor outlet and connect
Groove 15 is received, so as to realize that the scale of magnetic nanoparticle is continuously reclaimed.In removal process, to determine in different in flow rate, gas
Fast condition is issued to the time of stable state, accurate for data, takes and reaches after steady state time bottom clear liquid and magnetic roller after 5 ~ 10min
The concentration of liquid measure bottom clear liquid and magnetic roller outlet magnetic nanoparticle is exported, and calculates the rate of recovery of magnetic nanoparticle.
Test result indicates that:Pb is adsorbed with above-mentioned2+Sodium humate modification magnetic nanoparticle be in gas velocity
300ml/min, feed velocity 50ml/min, when magnetic roller rotating speed is 8 rpm, its rate of recovery is 97.5%, even in feed velocity
For 800 ml/min when, the rate of recovery also can reach 85%.
Embodiment 2
To adsorbing Cr6+Magnetic nanoparticle continuously reclaimed from waste water solution, the magnetic nanoparticle chooses poly- pyrrole
Cough up the superparamagnetism Fe of modification3O4Nano particle, selected waste water are heavy metal Cr containing 60mg/L6+Waste water.
Concrete operations are:Take the Fe of 2000mg polypyrrole modifyings3O4Nano particle, 667mL pH are added to as neutrality, Cr6 +Concentration is in 60ppm waste water solution, passes through mechanical agitation oar(Rotating speed 250rpm)Stirring and adsorbing 30min, reach absorption
Balance, then pours this solution into 5L large beaker, adds deionized water to be diluted to 4L, and the material liquid as the separation of gas magnetic assist is standby
With.
Under the conditions of continuous operation, the clear liquids of non magnetic particles is pumped into first in air-flotation column 10 to liquid level and magnetic roller 11 just
Contact, opens air valve, and adjusting gas flow, wriggling pump discharge, magnetic roller rotating speed be setting value, will fully be suspended through peristaltic pump 7
The magnetic particle waste water solution of absorption pollutant is continuously pumped into air-flotation column 10, while the U-shaped liquid level adjustment pipe 14 of quick regulation, makes gas
Liquid level in floating post 10 has with magnetic roller 11 suitably to be contacted and remains constant.Rising bubble is continuously to being adsorbed with Cr6+Polypyrrole repair
The magnetic nanoparticle of decorations, which is captured and is enriched to liquid level, forms solution of magnetic nanoparticles enrichment region, in magneticaction and gas
Steep under the surface force collective effect applied to it, magnetic nanoparticle is continuously exported by magnetic roller 11, enters in the presence of scraper plate 12
Entering magnetic nanoparticle receiving slit 13, bottom clear liquid flows into clear liquid receiving slit 15 from purified liquor outlet through U-shaped liquid level adjustment pipe 14, from
And realize the scale of magnetic nanoparticle and continuously reclaim.In removal process, to determine different in flow rate, be reached under the conditions of gas velocity
It is accurate for data to the time of stable state, take and reach after steady state time that bottom clear liquid is surveyed with magnetic roller outlet liquid after 5 ~ 10min
The concentration of bottom clear liquid and magnetic roller outlet magnetic nanoparticle is measured, and calculates the rate of recovery of magnetic nanoparticle.
Test result indicates that:Cr is adsorbed with above-mentioned6+The magnetic nanoparticle of polypyrrole modifying be in gas velocity
400ml/min, feed velocity 50ml/min, when magnetic roller rotating speed is 8 rpm,
Its rate of recovery is 99.0%, and when feed velocity is 800 ml/min, the rate of recovery also can reach 91.0%.
Embodiment 3
To Adsorption of Cu2+Magnetic nanoparticle continuously reclaimed from waste water solution, the magnetic nanoparticle chooses PEG
The superparamagnetism Fe of modification3O4Nano particle, selected waste water are heavy metal Cu containing 30mg/L2+Waste water.
Concrete operations are:The Fe for taking 2000mgPEG to modify3O4Nano particle, 667mL pH are added to as neutrality, Cu2+It is dense
Spend in the waste water solution for 60ppm, pass through mechanical agitation oar(Rotating speed 250rpm)Stirring and adsorbing 30min, it is flat to reach absorption
Weighing apparatus, then pours this solution into 5L large beaker, adds deionized water to be diluted to 4L, and the material liquid as the separation of gas magnetic assist is standby
With.
Under the conditions of continuous operation, the clear liquids of non magnetic particles is pumped into first in air-flotation column 10 to liquid level and magnetic roller 11 just
Contact, opens air valve, and adjusting gas flow, wriggling pump discharge, magnetic roller rotating speed be setting value, will fully be suspended through peristaltic pump 7
The magnetic particle waste water solution of absorption pollutant is continuously pumped into air-flotation column 10, while the U-shaped liquid level adjustment pipe 14 of quick regulation, makes gas
Liquid level in floating post 10 has with magnetic roller 11 suitably to be contacted and remains constant.Rising bubble is continuously to being adsorbed with Cu2+PEG modification
Magnetic nanoparticle, which is captured and is enriched to liquid level, forms magnetic particle solution enrichment region, and it is applied with bubble in magneticaction
Surface force collective effect under, magnetic nanoparticle is continuously exported by magnetic roller 11, and magnetic Nano is entered in the presence of scraper plate 12
Particle receiving slit 13, bottom clear liquid flows into clear liquid receiving slit 15 from purified liquor outlet through U-shaped liquid level adjustment pipe 14, so as to realize magnetic
The scale of nano particle is continuously reclaimed.In removal process, to determine different in flow rate, gas velocity condition be issued to stable state when
Between, it is accurate for data, take and reach after steady state time bottom clear liquid and magnetic roller outlet liquid measure bottom clear liquid after 5 ~ 10min
The concentration of magnetic nanoparticle is exported with magnetic roller, and calculates the rate of recovery of magnetic nanoparticle.
Test result indicates that:Cu is adsorbed with above-mentioned absorption2+PEG modification magnetic nanoparticle be in gas velocity
300ml/min, feed velocity 50ml/min, when magnetic roller rotating speed is 8 rpm, its rate of recovery is 96.7%, even in feed velocity
For 800 ml/min when, the rate of recovery also can reach 91.5%.
Applicant states that the present invention illustrates the detailed process equipment of the present invention and technological process by above-described embodiment,
But the invention is not limited in above-mentioned detailed process equipment and technological process, that is, it is above-mentioned detailed not mean that the present invention has to rely on
Process equipment and technological process could be implemented.Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention,
The addition of equivalence replacement and auxiliary element to each raw material of product of the present invention, selection of concrete mode etc., all fall within the present invention's
Within protection domain.
Claims (8)
1. a kind of being capable of the scale method that continuously reclaims magnetic nanoparticle in waste water, it is characterised in that comprises the following steps:
Using continuous gas magnetic assist separation equipment, the equipment includes the air-flotation column with aeration performance and the energy being arranged at the top of it
Reach speed governing and the magnetic roller that can continuously rotate, the clear liquid for being pumped into non magnetic particles into air-flotation column first just connect to liquid level with magnetic roller
Touch, open air valve, control gas continues through air-flotation column with certain flow rate, then that the absorption fully to have suspended under agitation is dirty
The magnetic nanoparticle waste water solution of dye thing is continuously pumped into air-flotation column, under the surface force effect that bubble applies, magnetic Nano
Particle, which rises with bubble and is enriched to liquid level, forms solution of magnetic nanoparticles enrichment region, finally under magneticaction, magnetic
Property nano particle by magnetic roller trap and continuously export, magnetic nanoparticle receiving slit, bottom clear liquid are entered in the presence of scraper plate
Clear liquid receiving slit is flowed into from purified liquor outlet through U-shaped liquid level adjustment pipe, so as to realize that the scale of magnetic nanoparticle is continuously reclaimed.
2. according to the method for claim 1, it is characterised in that pollutant be selected from one or more kinds of inorganic ions or
Organic matter.
3. according to the method for claim 1, it is characterised in that magnetic nanoparticle, which is selected from, passes through investment or surface modification
The nano particle using superparamagnetic nano particle as base core obtained by method, or can be separated by magnetic field, particle diameter is 5 ~ 500nm's
Nano particle.
4. according to the method for claim 1, it is characterised in that gas is selected from air or inert gas, the gas being passed through
Flow control be 0 ~ 1000 L/min.
A kind of 5. continuous gas magnetic assist separation equipment of method for described in any one of Claims 1-4, it is characterised in that bag
Air-flotation column and magnetic roller are included, the top of air-flotation column sets magnetic roller, and the bottom of air-flotation column is provided with gas distributor, and the top of air-flotation column is set
Feed liquid port is put, the bottom of air-flotation column sets purified liquor outlet;The magnetic roller is driven by variable speed electric motors, particularly, by sleeve and magnetic roller inner cylinder structure
Into magnetic roller inner cylinder magnetic circuit has certain uniform outer surface magnetic field intensity, and scraper plate and barrel contacts are set outside sleeve.
6. equipment according to claim 5, it is characterised in that also defeated including auxiliary equipment gas delivery system, material liquid
System and clear liquid particle output system are sent, the gas delivery system is connected by gas cylinder by pipeline with the air inlet of surge tank
Logical, the gas vent of surge tank is connected by spinner flowmeter with the gas access of air supporting column bottom;The material liquid conveying
System is connected by the raw material liquid trough with agitating device through pipeline with peristaltic pump, and wriggling pump discharge is connected with the feed liquid port of air-flotation column
It is logical;The clear liquid particle output system is by top close to the magnetic nanoparticle receiving slit of magnetic roller scraper plate and bottom through U-shaped liquid level
The clear liquid receiving slit of regulation pipe connection air-flotation column purified liquor outlet is formed.
7. the equipment according to claim 5 or 6, it is characterised in that described gas distributor is selected from the sand of different model
The micropore gas distributing pipeline of core funnel or suitable air supporting post shapes.
8. the equipment according to claim 5 or 6, it is characterised in that described variable speed electric motors, particularly inputs selected from AC or DC
Motor, regulations speed be 0 ~ 500 rev/min;Described sleeve can freely be turned by non-magnetic rustproof steel making independently of magnetic roller inner cylinder
It is dynamic;The magnetic field intensity is selected from 0.1 ~ 20T;The scraper plate material is selected from metal, plastics, alloy and wood.
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Cited By (4)
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CN108245930A (en) * | 2018-02-10 | 2018-07-06 | 湘潭大学 | A kind of gas helps adsorption separating method and device |
CN108298631A (en) * | 2018-02-10 | 2018-07-20 | 湘潭大学 | A kind of continuous gas helps adsorption separating method and equipment |
CN108607543A (en) * | 2018-04-10 | 2018-10-02 | 南京工业大学 | A kind of Magnetic Isolation formula catalytic unit and its application for eliminating hydrogen peroxide |
CN113428949A (en) * | 2021-08-27 | 2021-09-24 | 江苏迈威清洁科技有限公司 | Water treatment device for recovering metal in industrial wastewater by utilizing magnetic force |
-
2017
- 2017-11-16 CN CN201711133927.2A patent/CN107640866A/en active Pending
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108245930A (en) * | 2018-02-10 | 2018-07-06 | 湘潭大学 | A kind of gas helps adsorption separating method and device |
CN108298631A (en) * | 2018-02-10 | 2018-07-20 | 湘潭大学 | A kind of continuous gas helps adsorption separating method and equipment |
CN108607543A (en) * | 2018-04-10 | 2018-10-02 | 南京工业大学 | A kind of Magnetic Isolation formula catalytic unit and its application for eliminating hydrogen peroxide |
CN108607543B (en) * | 2018-04-10 | 2021-03-30 | 南京工业大学 | Magnetic separation type catalytic device for eliminating hydrogen peroxide and application thereof |
CN113428949A (en) * | 2021-08-27 | 2021-09-24 | 江苏迈威清洁科技有限公司 | Water treatment device for recovering metal in industrial wastewater by utilizing magnetic force |
CN113428949B (en) * | 2021-08-27 | 2021-11-23 | 江苏迈威清洁科技有限公司 | Water treatment device for recovering metal in industrial wastewater by utilizing magnetic force |
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