CN101759256A - Filter device - Google Patents
Filter device Download PDFInfo
- Publication number
- CN101759256A CN101759256A CN200910261785A CN200910261785A CN101759256A CN 101759256 A CN101759256 A CN 101759256A CN 200910261785 A CN200910261785 A CN 200910261785A CN 200910261785 A CN200910261785 A CN 200910261785A CN 101759256 A CN101759256 A CN 101759256A
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- Prior art keywords
- conductor
- filtering bodies
- hollow conductor
- casing
- filter
- 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.)
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- 239000004020 conductor Substances 0.000 claims abstract description 102
- 238000001914 filtration Methods 0.000 claims abstract description 91
- 239000000463 material Substances 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 abstract description 46
- 239000002002 slurry Substances 0.000 abstract description 23
- 230000005684 electric field Effects 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 239000011810 insulating material Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000007790 solid phase Substances 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 abstract description 2
- 229910003074 TiCl4 Inorganic materials 0.000 abstract 2
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000003993 interaction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Electrostatic Separation (AREA)
Abstract
The invention discloses a filter device for effectively avoiding adsorption of a filter body to the charged particles in the filter slurry. The filter device comprises a conductor casing and the filter body; the conductor casing is installed with a hollow conductor of which the wall is provided with holes in an insulating mode; the filter body is arranged in the hollow conductor; the hollow conductor and the conductor casing are respectively connected with the positive pole and the negative pole of the power source. The device in the invention does not adsorb charged particles through a high-potential electric field, but utilizes the hollow conductor as an electrode to be electrified and to reject or adsorb the charged particles in the filter slurry through the Coulomb force, so the voltage applied between the conducting casing and the hollow conductor is very low. No matter the filter body of the device adopts a conducting material or an insulating material, the adsorption of the filter body to the charged particles can both be prevented. The device is suitable for solid-liquid separation of charged solid phase particles, such as the filtering of the coarse TiCl4 suspension in the TiCl4 production process.
Description
Technical field
The present invention relates to a kind of filtration unit.
Background technology
At present, during liquid-solid-liquid separation, for the filter core that reduces strainer or filter membrane to the absorption of charged particle in the filter liquide, prevent to filter face static and pollute, the way that adopts is that filter core or filter membrane are placed among the high potential electric field usually.As shown in Figure 1, its specific practice is in the both sides of filter core or filter membrane the external energized conductor 3 that is oppositely arranged to be installed, make the charged particle in the solution produce electrophoresis by the electric field that in filtration system, is produced between the energized conductor 3, thereby the charged particle in the solution is adsorbed onto on the energized conductor.The shortcoming of this method is, when the charged particle in a part of solution can be subjected to stopping of filter core or filter membrane when the energized conductor of oppositely charged moves, therefore can adhere on filter core or the filter membrane inevitably; Simultaneously,, need apply the noble potential electric field, cause high power consumption on the one hand, have safety problem on the other hand in order to meet the requirements of strength of electric field.
Summary of the invention
Technical problem solved by the invention provides a kind of filtering bodies of effectively avoiding to filtering the filtration unit of charged particle absorption in the slurries.
The technical scheme that solves the problems of the technologies described above is: filtration unit, comprise conductor casing and filtering bodies, insulation hollow conductor with holes on the wall is installed on the described conductor casing, described filtering bodies is positioned at this hollow conductor, and described hollow conductor is connected with the positive and negative electrode of power supply respectively with conductor casing.If filtering bodies is a conductor material, also can be connected with the negative or positive electrode of power supply, adapt to different system operating modes, reach and better avoid the effect of adsorbing.
The invention has the beneficial effects as follows: this device is directly set up low-potential voltage between conductor casing and hollow conductor, the positive and negative electrode of this voltage is determined according to the charge property of the charged particle in the slurries to be filtered, suppress the charged absorption of particle on filtering bodies, avoid the charged particle electrostatic adhesion to pollute face.
This device does not adsorb charged particle by the noble potential electric field, but utilize hollow conductor as electrode charged by Coulomb force repel or the adsorption filtration slurries in charged particle, only needing the assurance charged particle not to be adsorbed onto on the filtering bodies just achieves the goal, therefore, the voltage that is applied between conductor casing and the hollow conductor is very low.This installs no matter filtering bodies adopts electro-conductive material still to adopt insulating material, all can stop the absorption of filtering bodies to charged particle.This device is applicable to solid-liquid separation of charged solid phase particles, as TiCl
4In the production process to thick TiCl
4The filtration of suspension liquid.
Description of drawings
Fig. 1 is the structure of the charged particle on the removing filtering bodies of introducing in the background technology.
The synoptic diagram of two kinds of situations when Fig. 2, Fig. 3 are insulating material for filtering bodies in the application's filtration unit.
Fig. 4, Fig. 5 are the synoptic diagram of conductor material and filtering bodies two kinds of situations when being connected with the hollow conductor equi-potential for filtering bodies in the application's filtration unit.
Fig. 6, Fig. 7 are the synoptic diagram of conductor material and filtering bodies two kinds of situations when being connected with the conductor casing equi-potential for filtering bodies in the application's filtration unit.
Arrow " → " expression filtering direction in Fig. 1～7; Arrow
The direction of motion of expression charged particle.
Be labeled as among the figure: the electrochondria 5 of conductor casing 1, filtering bodies 2, energized conductor 3, power supply 4, positively charged, electronegative particle 6, hollow conductor 7.
Embodiment
Close below in conjunction with accompanying drawing that the present invention is described further.
Filtration unit shown in Fig. 2～7, comprise conductor casing 1 and filtering bodies 2, insulating mounting has hollow conductor with holes on the wall 7 on the described conductor casing 1, and described filtering bodies 2 is positioned at this hollow conductor 7, and described hollow conductor 7 is connected with the positive and negative electrode of power supply 4 respectively with conductor casing 1.Because hollow conductor 7 insulating mounting are on conductor casing 1, so not conducting produces electric current between conductor casing 1 and the hollow conductor 7.Conductor casing 1 and hollow conductor 7 respectively with after the positive and negative electrode of power supply 4 is connected, can be set up voltage between conductor casing 1 and hollow conductor 7.Slurries enter the zone between hollow conductor 7 and the filtering bodies 2 during filtration from the hole on hollow conductor 7 walls.
As Fig. 2, when filtering bodies 2 is a charged particle positively charged in isolator and the slurries to be filtered, this moment is with hollow conductor 7 and 4 anodal connections of power supply, conductor casing 1 is connected with power supply 4 negative poles, make the Coulomb's force that has produced repulsive interaction between the particle 5 of positively charged and the hollow conductor 7, thereby the particle 5 of positively charged is repelled all the time in the outside of hollow conductor 7, thereby the particle 5 that prevents positively charged is adsorbed onto on the filtering bodies 2.
As Fig. 3, when filtering bodies 2 is that charged particle in isolator and the slurries to be filtered is electronegative, be connected hollow conductor 7 this moment with power supply 4 negative poles, with conductor casing 1 and 4 anodal connections of power supply, make the Coulomb's force that has produced repulsive interaction between electronegative particle 6 and the hollow conductor 7, thereby electronegative particle 6 is repelled all the time in the outside of hollow conductor 7, thereby prevent that electronegative particle 6 is adsorbed onto on the filtering bodies 2.
As Fig. 4～7, when filtering bodies 2 is conductor, also this filtering bodies 2 can be connected with described power supply 4, thereby make filtering bodies 2 and hollow conductor 7, thereby realize function corresponding or/and produce certain voltage between the conductor casing 1.
As Fig. 4, when filtering bodies 2 is a charged particle positively charged in conductor and the slurries to be filtered, this moment is with hollow conductor 7 and 4 anodal connections of power supply, with conductor casing 1 and 4 anodal connections of power supply, and filtering bodies 2 is connected with hollow conductor 7 equi-potentials, therefore on hollow conductor 7 and the filtering bodies 2 the positively charged particle 5 that all can repel the positively charged in the slurries, thereby the particle 5 that prevents positively charged is adsorbed onto on the filtering bodies 2.
As Fig. 5, when filtering bodies 2 is that charged particle in conductor and the slurries to be filtered is electronegative, be connected hollow conductor 7 this moment with power supply 4 negative poles, with conductor casing 1 and 4 anodal connections of power supply, and filtering bodies 2 is connected with hollow conductor 7 equi-potentials, therefore on hollow conductor 7 and the filtering bodies 2 the electronegative electronegative particle 6 that all can repel in the slurries, thereby prevent that electronegative particle 6 is adsorbed onto on the filtering bodies 2.
As Fig. 6, when filtering bodies 2 is that charged particle in conductor and the slurries to be filtered is electronegative, this moment is with hollow conductor 7 and 4 anodal connections of power supply, conductor casing 1 is connected with power supply 4 negative poles, and filtering bodies 2 is connected with conductor casing 1 equi-potential, when the electronegative particle in the slurries 6 during near hollow conductor 7, just be adsorbed on the hollow conductor 7, simultaneously, generation has the Coulomb's force of repulsive interaction between electronegative particle 6 in the filtration slurries and the filtering bodies 2, and electronegative particle 6 is adsorbed on the filtering bodies 2 in the slurries thereby further prevent to filter.
As Fig. 7, when filtering bodies 2 is a charged particle positively charged in conductor and the slurries to be filtered, be connected hollow conductor 7 this moment with power supply 4 negative poles, with conductor casing 1 and 4 anodal connections of power supply, and filtering bodies 2 is connected with conductor casing 1 equi-potential, when the particle 5 of the positively charged in the slurries during near hollow conductor 7, just be adsorbed on the hollow conductor 7, simultaneously, generation has the Coulomb's force of repulsive interaction between the particle 5 of the positively charged in the filtration slurries and the filtering bodies 2, thereby prevents that further the particle 5 that filters positively charged in the slurries is adsorbed on the filtering bodies 2.
As seen, on the basis that is provided with hollow conductor 7, can according to the characteristic of the material of real needs combined filtering body 2 and slurries to be filtered reasonably select hollow conductor 7 electrically and filtering bodies 2 electrical.
When filtering bodies 2 adopted conductor, the material of described filtering bodies 2 was preferably selected intermetallic compound, can either conduct electricity, and can also effectively reduce electrocorrosion.
The wall of described hollow conductor 7 adopts reticulated structure, reaches good result of use in convenient processing.In addition, described hollow conductor 5 preferably is set to tubular structure.
In addition, safe in utilization for guaranteeing, but described conductor casing 1 ground connection.
The conversion of the positive and negative electrode of realization power supply 4 for convenience can connect pilot circuit on power supply 4, the concrete structure of described pilot circuit, control mode are prior art, therefore repeats no more.
The applicant it needs to be noted, the filtering bodies 2 in Fig. 2～7 all adopts the outer filter type that goes out in advancing, thereby promptly liquid filters from the inner chamber of the outside infiltration body 2 of filtering bodies 2.
Yet, the filter type that filtering bodies 2 is advanced to go out in also may adopting, promptly liquid filters from the outside that the inner chamber of filtering bodies 2 is penetrated into filtering bodies 2.At this moment, filter charged particle absorption in the slurries in order effectively to avoid 2 pairs of filtering bodies, described hollow conductor 7 can be placed filtering bodies 2, this moment hollow conductor 7 still as electrode charged by Coulomb force repel or the adsorption filtration slurries in charged particle, only need to guarantee that charged particle is not adsorbed onto on the internal chamber wall of filtering bodies 2 just achieves the goal.
Claims (10)
1. filtration unit, comprise conductor casing (1) and filtering bodies (2), it is characterized in that: described conductor casing (1) goes up insulating mounting hollow conductor with holes on the wall (7), described filtering bodies (2) is positioned at this hollow conductor (7), and described hollow conductor (7) is connected with the positive and negative electrode of power supply (4) respectively with conductor casing (1).
2. filtration unit as claimed in claim 1 is characterized in that: described filtering bodies (2) is an isolator.
3. filtration unit as claimed in claim 1 is characterized in that: described filtering bodies (2) is a conductor, and this filtering bodies (2) is connected with described power supply (4).
4. filtration unit as claimed in claim 3 is characterized in that: this filtering bodies (2) is connected with hollow conductor (7) equi-potential.
5. filtration unit as claimed in claim 3 is characterized in that: this filtering bodies (2) is connected with conductor casing (1) equi-potential.
Is 6. filtration unit as claimed in claim 3 is characterized in that: the material of described filtering bodies (2) a resistivity? can conductive porous filtering material.
7. as claim 1,2,3,4,5 or 6 described filtration units, it is characterized in that: the wall of described hollow conductor (7) adopts reticulated structure.
8. as claim 1,2,3,4,5 or 6 described filtration units, it is characterized in that: described hollow conductor (7) is tubular structure.
9. as claim 1,2,3,4,5 or 6 described filtration units, it is characterized in that: described conductor casing (1) ground connection.
10. as claim 1,2,3,4,5 or 6 described filtration units, it is characterized in that: described filtering bodies (2) is filter core or filter membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910261785 CN101759256B (en) | 2009-12-25 | 2009-12-25 | Filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910261785 CN101759256B (en) | 2009-12-25 | 2009-12-25 | Filter device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101759256A true CN101759256A (en) | 2010-06-30 |
| CN101759256B CN101759256B (en) | 2013-01-30 |
Family
ID=42490662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910261785 Active CN101759256B (en) | 2009-12-25 | 2009-12-25 | Filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101759256B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350121A (en) * | 2011-08-30 | 2012-02-15 | 成都易态科技有限公司 | Filter method and filter device with filter element voltage transformation function for filter method |
| CN102452688A (en) * | 2010-10-22 | 2012-05-16 | 中国石油化工股份有限公司 | Device and method for treating polyolefin catalyst filtrate |
| CN103708503A (en) * | 2013-12-11 | 2014-04-09 | 成都易态科技有限公司 | Causticizing method alkali preparation technology |
| CN109231383A (en) * | 2018-11-13 | 2019-01-18 | 哈尔滨工业大学 | Based on micro- electric structure anti-pollution metal membrane module filter tank and its process for purifying water |
| CN110215759A (en) * | 2018-03-02 | 2019-09-10 | 台湾积体电路制造股份有限公司 | The method for the fluid that filter device and filtering use in semiconductor fabrication |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8901581D0 (en) * | 1989-01-25 | 1989-03-15 | Alcan Int Ltd | Filter cleaning |
| DE68922108T2 (en) * | 1989-11-28 | 1995-11-09 | Giovanni Asti | Device for the continuous purification of liquids, especially water, by means of high gradient magnetic filtration. |
| CN100488879C (en) * | 2006-10-16 | 2009-05-20 | 遵义钛业股份有限公司 | Coarse TiCl4 filtering method |
| CN201257329Y (en) * | 2008-08-18 | 2009-06-17 | 成都易态科技有限公司 | Filter for filtering crude TiCl4 suspending liquid and filtering systeM |
| CN101444685A (en) * | 2008-12-05 | 2009-06-03 | 遵义钛业股份有限公司 | Cooling water filter for refining TiCl4 |
-
2009
- 2009-12-25 CN CN 200910261785 patent/CN101759256B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102452688A (en) * | 2010-10-22 | 2012-05-16 | 中国石油化工股份有限公司 | Device and method for treating polyolefin catalyst filtrate |
| CN102452688B (en) * | 2010-10-22 | 2013-12-04 | 中国石油化工股份有限公司 | Device and method for treating polyolefin catalyst filtrate |
| CN102350121A (en) * | 2011-08-30 | 2012-02-15 | 成都易态科技有限公司 | Filter method and filter device with filter element voltage transformation function for filter method |
| CN103708503A (en) * | 2013-12-11 | 2014-04-09 | 成都易态科技有限公司 | Causticizing method alkali preparation technology |
| CN110215759A (en) * | 2018-03-02 | 2019-09-10 | 台湾积体电路制造股份有限公司 | The method for the fluid that filter device and filtering use in semiconductor fabrication |
| CN110215759B (en) * | 2018-03-02 | 2022-05-03 | 台湾积体电路制造股份有限公司 | Filter apparatus and method of filtering fluid used in semiconductor manufacturing |
| CN109231383A (en) * | 2018-11-13 | 2019-01-18 | 哈尔滨工业大学 | Based on micro- electric structure anti-pollution metal membrane module filter tank and its process for purifying water |
| CN109231383B (en) * | 2018-11-13 | 2021-03-23 | 哈尔滨工业大学 | Anti-fouling metal membrane module filter tank based on micro-electrical structure and water purification method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101759256B (en) | 2013-01-30 |
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Denomination of invention: Filtration equipment for clarifying of natural mineral for seawater desalination Effective date of registration: 20141121 Granted publication date: 20130130 Pledgee: Industrial Bank Limited by Share Ltd. Chengdu branch Pledgor: INTERMET TECHNOLOGIES CHENGDU Co.,Ltd. Registration number: 2014510000037 |
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Denomination of invention: Filtration equipment for clarifying of natural mineral for seawater desalination Effective date of registration: 20161118 Granted publication date: 20130130 Pledgee: Industrial Bank Limited by Share Ltd. Chengdu branch Pledgor: INTERMET TECHNOLOGIES CHENGDU Co.,Ltd. Registration number: 2016510000066 |
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Denomination of invention: Filtration equipment for clarifying of natural mineral for seawater desalination Effective date of registration: 20190221 Granted publication date: 20130130 Pledgee: Industrial Bank Limited by Share Ltd. Chengdu branch Pledgor: INTERMET TECHNOLOGIES CHENGDU Co.,Ltd. Registration number: 2019510000017 |
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