CN201308860Y - Recovery device of magnetic particles in fluid - Google Patents
Recovery device of magnetic particles in fluid Download PDFInfo
- Publication number
- CN201308860Y CN201308860Y CNU2008201231427U CN200820123142U CN201308860Y CN 201308860 Y CN201308860 Y CN 201308860Y CN U2008201231427 U CNU2008201231427 U CN U2008201231427U CN 200820123142 U CN200820123142 U CN 200820123142U CN 201308860 Y CN201308860 Y CN 201308860Y
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- magnetic
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- gatherer
- water storage
- particle
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Abstract
The utility model discloses a recovery device of magnetic particles in fluid, which comprises a magnetic particle absorption device and a magnetic particle collection device, wherein the magnetic particle absorption device comprises a set of absorption pipes absorbing magnetic particles on inner walls, a water storage container, and a water discharging container, wherein the top of the water storage container is communicated with the lower ends of the absorption pipes and the bottom of the water discharging container is communicated with the upper ends of the absorption pipes; the top of the water discharging container is provided with an upper clean water inlet and an upper water outlet; the water storage container is provided with a water inlet, a lower clean water inlet and a lower water outlet; the magnetic particle collection device comprises a collector and an electric magnet arranged at the bottom of the collector, the collector is provided with a collector water inlet and a collector water outlet, and the bottom of the water storage container is connected with the collector water inlet of the collector by a pipe. The utility model can realize the separation and the recovery of particles of micrometer and nanometer composite magnetic catalysts from the solution under the condition of solution flowing, and has convenient operation and high recovery efficiency.
Description
Technical field
The utility model relates to the retracting device of magnetic-particle in a kind of fluid, the retracting device of magnetic nanoparticle in particularly a kind of fluid.
Background technology
Nano material makes it have potential application foreground widely owing to have physics, the chemical property of distinctive small-size effect, surface characteristic and multiple excellence.Nanoparticle catalyst such as TiO
2, magnesium-yttrium-transition metal, noble metal etc. be good catalyst material.Nanoparticle catalyst has very big surface area, has higher surface activity, thereby is excellent catalytic activity agent, particularly nanoparticle catalyst when using with suspended state in solution, and photocatalytic degradation efficient is very high.Yet,, cost is significantly improved if the nanoparticle catalyst that is suspended in the solution can not reclaim.Develop at present nanoparticle catalyst and had the compound of nano magnetic iron oxide, and be applied to catalytic reaction research.When utilizing the nanoparticle catalyst catalytic performance, be expected to utilize the soft magnetic characteristic of magnetic oxide to adopt externally-applied magnetic field that catalyst granules is collected.Yet, the what use is made of externally-applied magnetic field efficiently with nano magnetic particle (as nano-TiO
2Composite magnetic particle) from solution, particularly realize to separate to reclaim under flow regime be to realize the urgency key issue to be solved used.
The utility model content
The purpose of this utility model provides a kind of device that can reclaim magnetic-particle from the fluid that continues to flow, and particularly reclaims the device of magnetic nanoparticle from the fluid that continues to flow.
For achieving the above object, the utility model comprises:
Magnetic-particle separates and adsorbent equipment in one fluid, comprises the absorption pipeline 4, water storage container 14 and the drain vessel 3 that are used for the adsorbing separation magnetisable material; The outside of described absorption pipeline 4 is provided with the device 5 that can produce magnetic field, and the lower end of described absorption pipeline 4 is communicated with the top of described water storage container 14; The upper end of described absorption pipeline 4 is communicated with the bottom of described drain vessel 3; The top of described drain vessel 3 is provided with supernatant water inlet 1 and last discharge outlet 2; Described water storage container 14 is provided with water inlet 6, following clear water inlet 8 and following discharge outlet 9;
One magnetic-particle gathering-device comprises gatherer 12 and the device 10 of being located at the produced magnetic field of described gatherer 12 bottoms, and described gatherer 12 is provided with gatherer water inlet 13 and gatherer discharge outlet 11;
The gatherer water inlet 13 of the bottom of described water storage container 14 and described gatherer 12 is connected by pipeline.
The above-mentioned device 5 and 10 that produces magnetic field can be devices such as electromagnet, magnet, solenoid.
Wherein, the volume of described gatherer 12 should be greater than the total measurement (volume) of water storage container 14 and absorption pipeline 4, and the magnetic field intensity that can produce the device 10 in magnetic field is advisable being attracted to magnet apart from the magnetic-particle of magnet 15~30mm;
The volume of water storage container 14 is greater than the volume summation of absorption pipeline 4, and water storage container 14 sectional areas are greater than the sectional area summation of absorption pipeline 4, and the height of water storage container 14 is greater than 1.5~2 times of diameter of absorption pipeline 4.
The material of described absorption pipeline 4 can be any intensity can reach the material that supports requirement, and the material of absorption pipeline 4 is preferably the soft magnetic iron alloy, can further improve adsorption effect, improves the adsorption efficiency of device.The device 5 in the produced magnetic field that described absorption pipeline 4 outsides are provided with, its magnetic field intensity should be able to attract the magnetic-particle at pipeline center place and stop to the inwall that adsorbs pipeline 4.
Described absorption pipeline 4 is one group of pipeline more than 1, and number of tubes can be determined according to the demand of displacement, or make the total sectional area (that is: single pipe sectional area * number of tubes) of many pipelines close with the sectional area of water inlet 6 pipelines.The described preferred diameter that is used for the absorption pipeline 4 of adsorbing separation magnetisable material is 15-60mm, and absorption pipeline 4 length are for can produce more than 2~3 times of device 5 sizes in magnetic field, with convenient device 5 loading and unloading that can produce magnetic field.Such structure, both can make full use of the effective magnetic-particle that adsorbs in the liquid that flows through of effect in magnetic field, making in the liquid of outflow does not almost have residual magnetic-particle, liquid can be flowed out by many pipelines simultaneously, has improved the efficient of magnetic particle separating treatment and recovery in the liquid.
Also be provided with agitator 15 in the described water storage container 14, such structure when making the magnetic-particle water flushing recovery of the inwall that is attached to absorption pipeline 4, suspends in water the magnetic-particle that is attached on the absorption pipeline 4 easily, improves recovering effect.
Retracting device of the present utility model realizes that magnetic-particle separates and the principle that reclaims is from solution: solution is pumped into the water storage container 14 from water inlet 6, branch to then in the less soft magnetic iron alloy absorption pipeline 4 of several diameters, and the device 5 by can producing magnetic field adds electromagnetic field in absorption pipeline 4 outsides, utilize the useful effect of external magnetic field, magnetic-particle in the solution is attracted to the ferroalloy tube wall and is adsorbed on the tube wall under magneticaction from solution, realize the magnetic-particle in the working fluid is separated and is adsorbed on the ferroalloy tube wall.And fluid flows through the back by last discharge outlet 2 discharges.After fluid is discharged, or behind the completion of discharge liquid, charge into clean water solution by supernatant water inlet 1, remove electromagnetic field, allow the magnetic-particle that is adsorbed on the absorption pipe wall fall into the aqueous solution, then the aqueous solution is entered in the magnetic particle collector 12, utilize electromagnet 10 externally-applied magnetic fields of gatherer 12 bottoms, make magnetic-particle be deposited in the bottom of container.Particle cleans and utilization again so that take out at any time.
Other method (as sedimentation method) is simple to be reclaimed because the bigger magnetic-particle of particle diameter can utilize, and, the material that is applied to chemical reaction and tracking technique etc. is at present often selected the little particle of particle diameter for use, as micron order, nano level particle, therefore said apparatus is being applied to reclaim micron magnetic-particle (particle diameter is several microns magnetic-particles to the hundreds of micron) and nano magnetic particle (particle diameter is the magnetic-particles of several nanometers to the hundreds of nanometer), have prior using value, more can bring into play the effect of the device of utility model.
The retracting device of magnetic nanoparticle in the fluid of the present utility model can be under the flow of solution condition, nano combined magnetic catalyst granule is realized separating and reclaiming from solution, and easy and simple to handle, the organic efficiency height.Retracting device of the present utility model can efficiently separate and reclaim the magnetic nanoparticle in the fluent solution, by for difficult recovery nano-TiO in the nano particle
2The experiment that the composite magnetic photocatalyst granular reclaims shows that the utility model is to nano-TiO
2The composite magnetic photocatalyst granular rate of recovery is more than 76%.Remain in the nano magnetic particle of discharging in the solution seldom (residual quantity is less than 5% of magnetic-particle total input in the former pending liquid in the liquid), flow through that the back magnetic-particle can be adsorbed on the duct wall basically in the pipeline.Therefore, the utility model can efficiently separate and reclaim the nano magnetic particle in the fluent solution.
Description of drawings
Fig. 1 is a front view of the present utility model.
The specific embodiment
As shown in Figure 1, the utility model comprises:
Magnetic-particle separates and adsorbent equipment in one fluid, comprise that the outside is provided with the absorption pipeline 4 that is used for the adsorbing separation magnetisable material of the device 5 that can produce magnetic field, the drain vessel 3 that water storage container 14 that the top is communicated with absorption pipeline 4 lower ends and bottom are communicated with described pipeline upper end; The top of drain vessel 3 is provided with supernatant water inlet 1 and last discharge outlet 2; Water storage container 14 is provided with water inlet 6, following clear water inlet 8 and following discharge outlet 9;
One magnetic-particle gathering-device comprises gatherer 12 and the device 10 of being located at the produced magnetic field of gatherer 12 bottoms, and gatherer 12 is provided with gatherer water inlet 13 and gatherer discharge outlet 11;
The gatherer water inlet 13 of the bottom of water storage container 14 and gatherer 12 is connected by pipeline.
The above-mentioned device 5 and 10 that produces magnetic field can be devices such as electromagnet, magnet, solenoid.
Wherein, the volume of described gatherer 12 is greater than the total measurement (volume) of water storage container 14 and absorption pipeline 4, and the magnetic field intensity that can produce the device 10 in magnetic field should be able to be attracted to the magnetic-particle apart from magnet 15~30mm magnet (being the bottom of gatherer);
The volume of water storage container 14 is greater than the volume summation of absorption pipeline 4, and water storage container 14 sectional areas are greater than the sectional area summation of absorption pipeline 4, and the height of water storage container 14 is greater than 1.5~2 times of diameter of absorption pipeline 4.
The material of absorption pipeline 4 can be any intensity can reach the material that supports requirement, and in the present embodiment, the material of absorption pipeline 4 is the soft magnetic iron alloy.The device 5 in the produced magnetic field that absorption pipeline 4 outsides are provided with, its magnetic field intensity should be able to attract the magnetic-particle at pipeline center place and stop to the inwall that adsorbs pipeline 4.
Also be provided with agitator 15 in the water storage container 14, such structure when making the magnetic-particle water flushing recovery of the inwall that is attached to absorption pipeline 4, suspends in water the magnetic-particle that is attached on the absorption pipeline 4 easily, improves recovering effect.
At gatherer water inlet 13 places, the easy-off interface is installed, gatherer 12 can unload the back and change.Above-mentioned several water inlet and delivery port all can be established valve 7 its switches of control.
The structure setting of the retracting device of magnetic nanoparticle in the fluid of the present utility model, make this device can be under the flow of solution condition, nano combined magnetic catalyst granule is realized separating and reclaiming from solution, and easy and simple to handle, the organic efficiency height.
Retracting device of the present utility model realizes that magnetic-particle separates and the principle that reclaims is from solution: solution is pumped into the water storage container 14 from water inlet 6, branch to then in the less soft magnetic iron alloy absorption pipeline 4 of several diameters, and the device 5 by can producing magnetic field adds magnetic field in absorption pipeline 4 outsides, utilize the useful effect of external magnetic field, magnetic-particle in the solution is attracted to the ferroalloy tube wall and is adsorbed on the tube wall under magneticaction from solution, realize the magnetic-particle in the working fluid is separated and is adsorbed on the ferroalloy tube wall.And fluid flows through the back by last discharge outlet 2 discharges.After fluid is discharged, or behind the completion of discharge liquid, charge into clean water solution by supernatant water inlet 1, remove electromagnetic field, allow the magnetic-particle that is adsorbed on the absorption pipe wall fall into the aqueous solution, then the aqueous solution is entered in the magnetic particle collector 12, utilize electromagnet 10 externally-applied magnetic fields of gatherer 12 bottoms, make magnetic-particle be deposited in the bottom of container.Particle cleans and utilization again so that take out at any time.
With following experiment is example, and the using method and the effect of retracting device of the present utility model is described:
In the present embodiment, the absorption pipeline 4 that magnetisable material can be adsorbed in inwall is selected one (because treating capacity increases, treatment effeciency increases when selecting more than one), and pipe diameter is chosen 15mm, 25mm, 30mm, 40mm, 50mm, 60mm respectively; And the horizontal sectional area of water storage container 4 will be obviously greater than pipeline aggregate level sectional area, and guarantees the easy for installation of pipeline 4; Adopt Nd-Fe-B permanent magnet that magnetic field is provided, the about 50~60mm of magnet piece is long, allows the aqueous solution that contains nano magnetic particle flow through in pipeline 4, and flow velocity is made as 0.2~2.5m/s.Handling the fluid that contains magnetic-particle in the present embodiment is: contain nano-TiO
2Composite magnetic particle (TiO
2/ SiO
2/ Fe
3O
4Magnetic nano-particle, the about 24nm of particle size) concentration is respectively the liquid of 0.500g/L, 0.333g/L, 0.830g/L, 0.040g/L, 0.020g/L, contains Fe
3O
4Magnetic nanoparticle (particle size is about 11nm) concentration is respectively the liquid of 0.500g/L, 0.333g/L, 0.830g/L, 0.040g/L, 0.020g/L.
The concrete operations step is as described below:
1) opens the valve at discharge outlet 2 places on the retracting device, turn-off valve that whole clear water inlets (supernatant water inlet 1, clear water inlet 8) down locate, the valve at valve, gatherer water inlet 13 and discharge outlet 11 places at discharge outlet 9 places down.
2) connect the electromagnetic field power supply, (adopt 2 Nd-Fe-B permanent magnets that magnetic field is provided in the experiment, magnet piece is of a size of 50~60 * 30 * 8mm) to start electromagnetic field 5.
3) open and contain nano magnetic particle or nano-TiO
2The valve at aqueous solution water inlet 6 places of composite magnetic particle.The aqueous solution with above-mentioned nano magnetic particle pumps into respectively, the aqueous solution that contains nano particle will flow into each soft magnetic iron alloy absorption pipeline 4 behind the water storage container 14 that is full of the device bottom, and under the effect of magnetic field, nano magnetic particle is adsorbed on the inwall of soft magnetic iron alloy water absorption pipeline 4, the aqueous solution then continues to flow in the drain vessel 3 on top along ferroalloy absorption pipeline 4, discharges from last discharge outlet 2.
4) valve at shutoff water inlet 6 places is opened down the valve at clear water water inlet 8 places then, and residual water solution continues to discharge.After giving off whole former residual water solution, turn-off the valve at clear water water inlet 8 places down.Turn-off the valve of going up discharge outlet 2 places simultaneously.
5) open down the valve at discharge outlet 9 places, discharge the surplus water in the absorption pipeline 4.
6) turn-off the valve at discharge outlet 9 places down, turn-off the power supply of electromagnetic field 5, open the enter the mouth valve at 1 place of supernatant water.
7) after the aqueous solution is full of absorption pipeline 4, turn-off the enter the mouth valve at 1 place of supernatant water, start agitator 15, fully stir, make attached to the residual nano-magnetic light particle on absorption pipeline 4 inwalls and fall into the aqueous solution.
8) open the valve at gatherer water inlet 13 places, allow and contain nano-TiO
2The aqueous solution of composite magnetic photocatalyst granular flows in the gatherer 12.
9) start gatherer bottom electrical magnetic field 10, promote nano-TiO
2Composite magnetic photocatalyst granular precipitation.After solution all flows into gatherer in water storage container 14, close agitator 15, turn-off the valve at gatherer water inlet 13 places.
10) treat the basic post precipitation of nano magnetic particle, can open the valve at discharge outlet 11 places of gatherer, most of aqueous solution in the gatherer is discharged.
11) close the valve at discharge outlet 11 places of gatherer, the nano magnetic particle in the gatherer can be focused on and collect stand-by.At gatherer water inlet 13 places, the easy-off interface is installed, gatherer can unload the back and change.In the experiment magnetic-particle is dewatered, drying, and measure quality, calculate collection rate.
Above-mentioned experiment to the absorption pipe diameter is respectively: six kinds of above-mentioned retracting devices of 15mm, 25mm, 30mm, 40mm, 50mm or 60mm have carried out the above-mentioned Fe that contains
3O
4Magnetic nanoparticle (particle size is about 11nm) or nano-TiO
2Composite magnetic particle (TiO
2/ SiO
2/ Fe
3O
4Magnetic nano-particle, the about 24nm of particle size) separation of water solution and recovery, the concentration of nano magnetic particle is respectively 0.500g/L, 0.333g/L, 0.830g/L, 0.040g/L, 0.020g/L in the aqueous solution, the result shows, when the ferroalloy pipe diameter is 15~60mm, collection rate all reaches more than 76%, and residual quantity is less than 5% of magnetic-particle total input in the former pending liquid in the liquid.
Claims (7)
1, the retracting device of magnetic-particle comprises in a kind of fluid:
Magnetic-particle separates and adsorbent equipment in one fluid, comprises the absorption pipeline (4), water storage container (14) and the drain vessel (3) that are used for the adsorbing separation magnetisable material; The outside of described absorption pipeline (4) is provided with the device (5) that can produce magnetic field, and the lower end of described absorption pipeline (4) is communicated with the top of described water storage container (14); The upper end of described absorption pipeline (4) is communicated with the bottom of described drain vessel (3); The top of described drain vessel (3) is provided with supernatant water inlet (1) and last discharge outlet (2); Described water storage container (14) is provided with water inlet (6), following clear water inlet (8) and following discharge outlet (9);
One magnetic nanoparticle gathering-device comprises gatherer (12) and is located at the device (10) in the produced magnetic field of described gatherer (12) bottom; Described gatherer (12) is provided with gatherer water inlet (13) and gatherer discharge outlet (11);
The bottom of described water storage container (14) is connected by pipeline with the gatherer water inlet (13) of described gatherer (12).
2, device according to claim 1 is characterized in that: described absorption pipeline (4) the one group of pipeline that at least 1 pipeline is formed of serving as reasons.
3, device according to claim 2 is characterized in that: the material of described absorption pipeline (4) is the soft magnetic iron alloy.
4, device according to claim 3 is characterized in that: the volume of described gatherer (12) is greater than the total measurement (volume) of water storage container (14) and absorption pipeline (4).
5, device according to claim 4 is characterized in that: the volume of described water storage container (14) is greater than the volume summation of described absorption pipeline (4), and described water storage container (14) sectional area is greater than the sectional area summation of described absorption pipeline (4).
6, device according to claim 5 is characterized in that: the diameter of described absorption pipeline (4) is 15-60mm.
7, according to any described device of claim 1-6, it is characterized in that: also be provided with agitator (15) in the described water storage container (14).
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CNU2008201231427U CN201308860Y (en) | 2008-10-17 | 2008-10-17 | Recovery device of magnetic particles in fluid |
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CNU2008201231427U CN201308860Y (en) | 2008-10-17 | 2008-10-17 | Recovery device of magnetic particles in fluid |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101913116A (en) * | 2010-07-06 | 2010-12-15 | 浙江大学 | Coil pipe type ferromagnetic abrasive dust separating device |
CN101385994B (en) * | 2008-10-17 | 2011-06-15 | 中国海洋石油总公司 | Method for recovering magnetic particle in fluid and special recovery device |
CN102596416A (en) * | 2009-10-30 | 2012-07-18 | 斯奈克玛 | Device and method for recovering magnetic particles trapped on a magnetic plug |
CN105850991A (en) * | 2016-01-29 | 2016-08-17 | 华电电力科学研究院 | Preparation method for amino composite magnetic nano bacteria remover |
CN109052591A (en) * | 2018-09-29 | 2018-12-21 | 高瓴环境科技有限公司 | A kind of automation equipment except ferromagnetic material in decontaminated water |
-
2008
- 2008-10-17 CN CNU2008201231427U patent/CN201308860Y/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101385994B (en) * | 2008-10-17 | 2011-06-15 | 中国海洋石油总公司 | Method for recovering magnetic particle in fluid and special recovery device |
CN102596416A (en) * | 2009-10-30 | 2012-07-18 | 斯奈克玛 | Device and method for recovering magnetic particles trapped on a magnetic plug |
CN102596416B (en) * | 2009-10-30 | 2015-02-25 | 斯奈克玛 | Device and method for recovering magnetic particles trapped on a magnetic plug |
CN101913116A (en) * | 2010-07-06 | 2010-12-15 | 浙江大学 | Coil pipe type ferromagnetic abrasive dust separating device |
CN105850991A (en) * | 2016-01-29 | 2016-08-17 | 华电电力科学研究院 | Preparation method for amino composite magnetic nano bacteria remover |
CN109052591A (en) * | 2018-09-29 | 2018-12-21 | 高瓴环境科技有限公司 | A kind of automation equipment except ferromagnetic material in decontaminated water |
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Granted publication date: 20090916 Effective date of abandoning: 20081017 |