CN114314776B - Fixing method of magnetic particle filter material and filtering device - Google Patents
Fixing method of magnetic particle filter material and filtering device Download PDFInfo
- Publication number
- CN114314776B CN114314776B CN202111617844.7A CN202111617844A CN114314776B CN 114314776 B CN114314776 B CN 114314776B CN 202111617844 A CN202111617844 A CN 202111617844A CN 114314776 B CN114314776 B CN 114314776B
- Authority
- CN
- China
- Prior art keywords
- magnetic
- filter
- shell
- force component
- particles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000006249 magnetic particle Substances 0.000 title claims abstract description 84
- 239000000463 material Substances 0.000 title claims abstract description 46
- 238000001914 filtration Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 18
- 239000002893 slag Substances 0.000 claims description 24
- 238000007790 scraping Methods 0.000 claims description 15
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 239000000696 magnetic material Substances 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 10
- 239000012528 membrane Substances 0.000 abstract description 7
- 238000001471 micro-filtration Methods 0.000 abstract description 6
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention discloses a fixing method and a filtering device of a magnetic particle filter material, wherein the main idea is that a magnetic force component emits a magnetic field; a magnetic skeleton is arranged in the magnetic field; filling magnetic particles in the magnetic framework, forming a fixed filter layer by the magnetic particles under the action of magnetic force of a magnetic field, and filtering fluid by the filter layer; compared with the traditional granular filter material, the invention does not need to specially arrange a plurality of layers of large-particle materials for supporting the small-particle-size filter material, so that the filter structure is more compact and the material consumption is less; the high-precision filter composed of fine magnetic particles is selected, so that the micro-filtration membrane can be replaced, and the investment operation cost is reduced; the filtering device provided by the invention can also be composed of a plurality of filtering units, so that large-flow filtering is realized.
Description
Technical Field
The invention relates to the field of fluid filtration, in particular to a fluid filtration method and a device adopting magnetic particles as filter materials.
Background
The filtering material filtering is a widely applied purifying method in sewage treatment, quartz sand, ceramic particles, granular activated carbon and the like are used as filtering materials to form a filtering layer, and insoluble pollutants in sewage are trapped to purify the sewage. The small-particle filter materials such as quartz sand and the like need large particles with various gradations as supports so as to avoid the loss of fine particles, so that the filter structure layer of the filter material filter is higher, and the material consumption is more; and after a period of time, the trapped pollutants easily block the filter material flow channel, so that the filtering capacity is reduced, and the filter material needs to be backwashed and replaced. The water consumption of back flushing is large, and the filter material replacement needs to be stopped, so that the labor intensity is high, the cost is high, the potential safety hazard is high, and the replaced waste is easy to cause secondary environmental pollution. Furthermore, the particle size of the filter material used by the filter material filter is single, and the filter material filter is difficult to meet the requirements of different filtering precision. In addition, the micro-filtration membrane used for sewage advanced treatment has high investment cost and high replacement cost after membrane pollution, and the particle size of the conventional filter material is usually 0.5-5 mm, so that the requirements of higher filtration precision are difficult to meet, and the micro-filtration membrane cannot be replaced.
Disclosure of Invention
Therefore, in order to overcome the defects of the traditional filtering material filtration, the invention provides a method for fixing a magnetic filtering material, which specifically comprises the following steps:
The magnetic force component emits a magnetic field;
A magnetic skeleton is arranged in the magnetic field;
Filling magnetic particles in the magnetic framework, wherein the magnetic particles form a fixed filter layer under the action of magnetic force of a magnetic field;
Further, the magnetic force component for emitting the magnetic field can rotate, so that the magnetic particles are driven to move in a staggered manner, and the blocking of a filtering channel is avoided;
Further, the trapped pollutants can be continuously and automatically discharged;
Further, contaminated magnetic particulate matter may be continuously and automatically discharged and replenished.
Based on the magnetic filter material fixing method, the invention also provides a filter device taking magnetic particles as a filter material, which comprises a shell, a magnetic particle layer, a first magnetic part, a second magnetic part, a rotating shaft and a slag scraping plate, and a magnetic framework, wherein the shell is round;
The magnetic particle layer is formed by stacking magnetic particles and is positioned in the shell;
the housing is made of a non-magnetic material;
The first magnetic force component is an annular magnetic force component and is arranged outside the shell, and a magnetic field for fixing the magnetic particle layer is emitted into the shell.
Further, the magnetic framework is arranged in the magnetic particle layer, is made of magnetic materials and is fixed on the inner wall of the shell.
Further, the second magnetic component is arranged at the center of the shell, and the second magnetic component emits a radial magnetic field outwards so as to strengthen the fixation of the magnetic particle layer.
Further, the rotating shaft is arranged in the center of the shell, penetrates through the second magnetic force component and is fixedly connected with the second magnetic force component, a scum plate fixed to the rotating shaft is arranged on the feeding side of the magnetic particle layer, and the scum plate is kept in contact with the magnetic particle layer.
Further, a slag discharge port positioned at the outer side of the slag scraping plate is arranged on the shell, and a magnetic particle supplementing pipe is arranged at the other side of the shell opposite to the slag discharge port.
Preferably, magnetic particles with different particle diameters are selected to form the magnetic filter material filter with different filter accuracies.
Preferably, the particle size of the magnetic particles is less than or equal to 5mm so as to replace the traditional particle filter material.
Preferably, the particle diameter of the magnetic particles is 50 μm or less, and the filtration accuracy can be improved by changing the particle diameter of the magnetic particles, even instead of the microfiltration membrane.
Preferably, the magnetic particles are iron powder containing Fe 3O4 as a main component.
Preferably, the magnetic particles are surface-modified purifying filter materials capable of selectively removing different kinds of pollutants in the fluid.
Further, the magnetic particle layer, the magnetic framework, the first magnetic force component, the second magnetic force component, the slag scraping plate, the slag discharging port and the magnetic particle supplementing pipe form a filtering unit, and a plurality of filtering units can be arranged on the shell to improve the processing capacity of the filter.
The invention has the following beneficial effects:
According to the fixing method and the filtering device of the magnetic particle filtering material, the magnetic particles are fixed by adopting the magnetic field, and the magnetic particles are used as the filtering material to form the filtering layer; the trapped pollutant is automatically and continuously discharged, no back flushing or only a small amount of back flushing is needed, and the energy consumption and the running cost are reduced; the polluted magnetic filter material is continuously discharged and replaced, the filter material does not need to be stopped for replacement, the filter material consumption, the replacement cost and the labor intensity are reduced, and the system safety is improved; according to the requirements of different water quality filtration precision, filters composed of magnetic particles with different particle diameters can be selected, and the application range is wide; further, a high-precision filter composed of fine magnetic particles is selected to replace a microfiltration membrane, so that investment and operation cost is reduced; the filtering device provided by the invention can also be composed of a plurality of filtering units, so that large-flow filtering is realized.
Drawings
FIG. 1 is a schematic overall view of the present invention;
FIG. 2 is a schematic view of a plurality of filter units mounted on a housing;
in the figure: 1. a housing; 2. a first magnetic force component; 3. a second magnetic force component; 4. a rotating lever; 5. a slag scraping plate; 6. a magnetic particle layer; 7. a magnetic skeleton; 8. a slag discharge port; 9. a magnetic particle replenishment tube; 10. and a filtering unit.
Detailed Description
The following detailed description of the invention refers to the accompanying drawings, which are used to describe the technical solutions of the embodiments of the invention clearly and completely.
Embodiment one:
the fixing method of the magnetic filter material comprises the following steps:
The magnetic force component emits a magnetic field;
A magnetic skeleton is arranged in the magnetic field;
Filling magnetic particles in the magnetic framework, wherein the magnetic particles form a fixed filter layer under the action of magnetic force of a magnetic field;
Further, the magnetic force component for emitting the magnetic field can rotate, so that the magnetic particles are driven to move in a staggered manner, and the blocking of a filtering channel is avoided;
Further, the trapped pollutants can be continuously and automatically discharged;
Further, contaminated magnetic particulate matter may be continuously and automatically discharged and replenished.
Compared with the traditional granular filter material, the invention does not need to specially arrange a plurality of layers of large-particle materials for supporting the small-particle-size filter material, so that the filter structure is more compact and the material consumption is less.
Embodiment two:
As shown in fig. 1, a filtering device using magnetic particles as a filtering material comprises a shell 1, a magnetic particle layer 6, a first magnetic force component 2, a second magnetic force component 3, a rotating shaft 4 and a slag scraping plate 5, and a magnetic framework 7, wherein the shell 1 is circular;
The magnetic particle layer 6 is formed by stacking magnetic particles and is positioned in the shell 1;
The housing 1 is made of a non-magnetic material;
the first magnetic component 2 is an annular magnetic component and is arranged outside the shell 1, and emits a magnetic field for fixing the magnetic particle layer 6 into the shell 1.
Further, the magnetic skeleton 7 is disposed in the magnetic particle layer 6, and the magnetic skeleton 7 is made of a magnetic material and is fixed to the inner wall of the housing 1.
Further, the second magnetic part 3 is arranged at the center of the housing, and the second magnetic part 3 emits a radial magnetic field outwards to strengthen the fixation of the magnetic particle layer 6.
Further, the rotating shaft 4 is disposed at the center of the housing 1, the rotating shaft 4 passes through the second magnetic component 3 and is fixedly connected with the second magnetic component 3, a slag scraping plate 5 fixed on the rotating shaft 4 is disposed at the feeding side of the magnetic particle layer 6, and the slag scraping plate 5 is kept in contact with the magnetic particle layer 6.
Further, a slag discharging port 8 positioned at the outer side of the slag scraping plate 5 is arranged on the shell 1, and a magnetic particle supplementing pipe 9 is arranged at the other side of the shell 1 opposite to the slag discharging port 8.
Preferably, the particle size of the magnetic particles is less than or equal to 5mm so as to replace the traditional particle filter material.
Preferably, the particle size of the magnetic particles is 50 μm or less to replace the conventional ultrafiltration or microfiltration membrane.
Preferably, the magnetic particles are iron powder with Fe 3O4 as a main component.
In this embodiment, magnetic particles with different particle sizes can be selected to form magnetic filter materials with different filtering precision.
In this embodiment, the magnetic particles are surface modified purification filters that selectively remove different types of contaminants in the fluid.
In use of this embodiment, fluid to be purified enters the housing 1 and enters from one side of the magnetic particle layer 6, filtered fluid is discharged from the other side, the fluid is purified when passing through the magnetic particle layer 6, filter residues are blocked on the liquid inlet side of the magnetic particle layer 6, and blocked filter residues are discharged from the slag discharge port 8 under the scraping action of the slag scraping plate.
In the implementation process, the second magnetic force component and the scraping plate are driven by the transmission rod to rotate together, and when the second magnetic force component rotates, the magnetic field is in a moving state and drives the magnetic particles to move, so that the risk of blocking gaps between adjacent magnetic particles is reduced.
And when the embodiment is used, the magnetic particles can be supplemented from the magnetic particle supplementing pipe or enter with the fluid, so as to realize the magnetic particles supplementing the magnetic particle layer.
In order to improve the fluid processing capability, the magnetic particle layer 6, the magnetic framework 7, the first magnetic force component 2, the second magnetic force component 3, the slag scraping plate 5, the slag discharging hole 8 and the magnetic particle supplementing pipe 9 form a filtering unit, and a plurality of filtering units can be arranged on the shell, as shown in fig. 2.
The foregoing is merely illustrative of the principles of this invention and various modifications can be made by those skilled in the art without departing from the scope and spirit of the invention; the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A filter device using magnetic particles as a filter material, characterized in that:
The filtering device comprises a shell (1), a magnetic particle layer (6) and a first magnetic force component (2), wherein the shell (1) is circular;
the magnetic particle layer (6) is formed by stacking magnetic particles and is positioned in the shell (1);
The housing (1) is made of a non-magnetic material;
The first magnetic force component (2) is an annular magnetic force component and is arranged outside the shell (1) and emits a magnetic field for fixing the magnetic particle layer (6) into the shell (1);
A magnetic framework (7) is arranged in the magnetic particle layer (6), and the magnetic framework (7) is made of a magnetic material and is fixed on the inner wall of the shell (1);
A rotating scraper (5) is arranged on the feed side of the magnetic particle layer (6), and the scraper (5) is kept in contact with the magnetic particle layer (6);
a slag discharging port (8) positioned at the outer side of the slag scraping plate (5) is arranged on the shell (1);
a second magnetic force component (3) is arranged in the center of the shell, and the second magnetic force component (3) emits a radial magnetic field outwards so as to strengthen the fixation of the magnetic particle layer (6);
A rotating shaft (4) is arranged in the center of the shell (1), the rotating shaft (4) penetrates through the second magnetic force component (3) and is fixedly connected with the second magnetic force component (3), and the slag scraping plate (5) is fixed on the rotating shaft (4);
the fixing method of the magnetic filter material comprises the following steps:
The magnetic force component emits a magnetic field;
A magnetic skeleton is arranged in the magnetic field; and
And filling magnetic particles in the magnetic framework, wherein the magnetic particles form a fixed filter layer under the action of magnetic force of a magnetic field.
2. A filter device using magnetic particles as a filter material according to claim 1, wherein: a magnetic particle supplementing pipe (9) is arranged on the other side of the shell (1) opposite to the slag discharging port (8);
the particle size of the magnetic particles is less than or equal to 5mm.
3. A filter device using magnetic particles as a filter material according to claim 2, wherein: the magnetic particle filter comprises a magnetic particle layer (6), a magnetic framework (7), a first magnetic force component (2), a second magnetic force component (3), a slag scraping plate (5), a slag discharging port (8) and a magnetic particle supplementing pipe (9), and is characterized in that a filter unit (10) is formed, and at least one filter unit is arranged on a shell (1).
4. A filter device using magnetic particles as a filter material according to claim 2, wherein: the magnetic particles are filter materials subjected to surface modification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111617844.7A CN114314776B (en) | 2021-12-28 | 2021-12-28 | Fixing method of magnetic particle filter material and filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111617844.7A CN114314776B (en) | 2021-12-28 | 2021-12-28 | Fixing method of magnetic particle filter material and filtering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114314776A CN114314776A (en) | 2022-04-12 |
| CN114314776B true CN114314776B (en) | 2024-04-16 |
Family
ID=81015579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111617844.7A Active CN114314776B (en) | 2021-12-28 | 2021-12-28 | Fixing method of magnetic particle filter material and filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114314776B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6210572B1 (en) * | 1999-10-18 | 2001-04-03 | Technology Commercialization Corp. | Filter and method for purifying liquids containing magnetic particles |
| CN101215060A (en) * | 2007-12-27 | 2008-07-09 | 江苏工业学院 | Device for treating oil field waste water |
| CN104096410A (en) * | 2013-04-09 | 2014-10-15 | 何荣志 | Magnetic automatic filter for fluid |
| CN106517420A (en) * | 2016-11-22 | 2017-03-22 | 兰州交通大学 | Construction method for magnetic film for water purification and magnetic film filtering device |
| CN107010698A (en) * | 2017-06-09 | 2017-08-04 | 天津碧水源膜材料有限公司 | Filter plant, sewage filter system and technique |
| CN112830572A (en) * | 2021-02-25 | 2021-05-25 | 江苏联合创业环保有限公司 | Sewage treatment tank and sewage treatment method |
| CN216513018U (en) * | 2021-12-28 | 2022-05-13 | 成都源蓉科技有限公司 | Filter device with magnetic particles as filter material |
-
2021
- 2021-12-28 CN CN202111617844.7A patent/CN114314776B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6210572B1 (en) * | 1999-10-18 | 2001-04-03 | Technology Commercialization Corp. | Filter and method for purifying liquids containing magnetic particles |
| CN101215060A (en) * | 2007-12-27 | 2008-07-09 | 江苏工业学院 | Device for treating oil field waste water |
| CN104096410A (en) * | 2013-04-09 | 2014-10-15 | 何荣志 | Magnetic automatic filter for fluid |
| CN106517420A (en) * | 2016-11-22 | 2017-03-22 | 兰州交通大学 | Construction method for magnetic film for water purification and magnetic film filtering device |
| CN107010698A (en) * | 2017-06-09 | 2017-08-04 | 天津碧水源膜材料有限公司 | Filter plant, sewage filter system and technique |
| CN112830572A (en) * | 2021-02-25 | 2021-05-25 | 江苏联合创业环保有限公司 | Sewage treatment tank and sewage treatment method |
| CN216513018U (en) * | 2021-12-28 | 2022-05-13 | 成都源蓉科技有限公司 | Filter device with magnetic particles as filter material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114314776A (en) | 2022-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6399325B1 (en) | Soil purification system | |
| US5069783A (en) | Liquid treatment apparatus | |
| US5064531A (en) | Water filtration apparatus | |
| CN106746148B (en) | Magnetic loading sedimentation filtration purification system | |
| US3722681A (en) | Tertiary filtering arrangement | |
| JP6868755B2 (en) | Soil purification system | |
| JP2019098313A (en) | Soil remediation system | |
| CN216513018U (en) | Filter device with magnetic particles as filter material | |
| CN206666249U (en) | A kind of small compound equipment for processing industrial sewage | |
| CN114314776B (en) | Fixing method of magnetic particle filter material and filtering device | |
| CN110683706A (en) | Coking wastewater treatment device | |
| CN105731670A (en) | Construction dump truck washing wastewater filtration and circulation system and filtration technology thereof | |
| CN211035592U (en) | Coking wastewater treatment device | |
| CN101219304B (en) | Method and system for processing wastewater of cleaning printed circuit board | |
| RU2043304C1 (en) | Device for sewage treatment | |
| JP6678353B2 (en) | Soil purification system | |
| JP6678354B2 (en) | Soil purification system | |
| JPH0747359A (en) | Water washable flaw detection waste liquid filter | |
| KR101444185B1 (en) | a method of treating oil wastewater in metalworking fluid | |
| US20070210017A1 (en) | Filter system for filtering water or wastewater and a method of operating the filter system | |
| CN113880350B (en) | Low-turbidity precise sewage filtering system and use method | |
| CN104860442A (en) | Rotary sieve filtering device applied to sewage treatment | |
| JP2004016987A (en) | Filter apparatus using floating filter medium | |
| JP2019098319A (en) | Soil remediation system | |
| RU2674207C1 (en) | Device of water purification from weighted impurities |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |