CN204429109U - A kind of dielectrophoresis dish tubular membrane separator - Google Patents
A kind of dielectrophoresis dish tubular membrane separator Download PDFInfo
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- CN204429109U CN204429109U CN201520094207.XU CN201520094207U CN204429109U CN 204429109 U CN204429109 U CN 204429109U CN 201520094207 U CN201520094207 U CN 201520094207U CN 204429109 U CN204429109 U CN 204429109U
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Abstract
The utility model relates to a kind of dielectrophoresis dish tubular membrane separator, its power supply end cap, multiple flow guiding disc and intake end cover stack successively, and adopt center pull rod to install fixing in the middle, pressure casing sealing is installed in outside power supply end cap and intake end cover, former aquaporin is formed between flow guiding disc periphery and pressure casing, filtration channel is formed in the middle part of flow guiding disc, formed between flow guiding disc Center-to-Center pull bar and produce aquaporin, closed assembly disc-type film bag between adjacent two flow guiding discs, at the inner installing electrodes plate of stacked film bag, battery lead plate the inner is all provided with binding post, two adjacent electrode plates form interdigital electrode, intake end cover is shaped with the original water inlet be communicated with former aquaporin, and intake end cover is also shaped with and produces the product water out that aquaporin is communicated with and the dense water out be communicated with filtration channel.The target that the utility model adopts dielectrophoresis technology to realize reducing concentration polarization, prevent the pollution of film, extend the service life of film, form electroosmotic effect, strengthen the filter effect of film, improve the aquifer yield of film, reduce energy consumption.
Description
Technical field
The utility model relates to dish tubular membrane separator, particularly a kind of dielectrophoresis dish tubular membrane separator.
Background technology
Dish tubular membrane component, for landfill leachate treatment exploitation, under the support of German Government, is researched and developed successfully by RECHEM company for 1988.Compare with other membrane modules, dish tubular membrane component has following three obvious features:
Channel width: the passage between diaphragm is 6mm, and the membrane module of rolling encapsulation only has 0.2mm.
Flow process is short: the flow process of liquid on film surface only 7cm, and the membrane module of rolling encapsulation is 100cm.
Turbulent flow row: due to the effect of high pressure, percolate forms high velocity turbulent flow after getting to the salient point on flow guiding disc, and under the washing away of this turbulent flow, film surface is free settling pollutant not.In the membrane module of rolling encapsulation, network can retain pollutant, causes inner lead thus brings the pollution of diaphragm.
In theory, dish tubular membrane component can tolerate higher suspension and SDI, avoids fouling and other fouling membrane, thus extends the diaphragm life-span.But because water inlet pollutant levels are high in actual motion, for avoiding fouling membrane, need to reduce former hardness of water, add the film surface scale that chemical agent avoids the concentration polarization phenomenon on film surface to cause simultaneously.And be the osmotic pressure overcoming high-concentration waste water, obtain higher aquifer yield, need higher operating pressure.The use of high operating pressure and a large amount of chemical agent, adds the operating cost of dish tubular membrane element.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of dielectrophoresis dish tubular membrane separator is provided, this assembly adopts dielectrophoresis technology can reduce the fouling and scaling phenomenon even eliminated and occur in membrane filtration process, reaches the target reducing concentration polarization, prevent the pollution of film, extend the service life of film, form electroosmotic effect, strengthen the filter effect of film, improve the aquifer yield of film, reduce energy consumption.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of dielectrophoresis dish tubular membrane separator, it is characterized in that: primarily of pressure casing, power supply end cap, intake end cover, flow guiding disc, disc-type film bag, battery lead plate and center pull rod are formed, power supply end cap, multiple flow guiding disc and intake end cover stack successively, and adopt center pull rod to install fixing in the middle, pressure casing sealing is installed in outside power supply end cap and intake end cover, former aquaporin is formed between flow guiding disc periphery and pressure casing, filtration channel is formed in the middle part of flow guiding disc, formed between flow guiding disc Center-to-Center pull bar and produce aquaporin, closed assembly disc-type film bag between adjacent two flow guiding discs, at the inner installing electrodes plate of stacked film bag, battery lead plate the inner is all provided with binding post, two adjacent electrode plates form interdigital electrode, intake end cover is shaped with the original water inlet be communicated with former aquaporin, and intake end cover is also shaped with and produces the product water out that aquaporin is communicated with and the dense water out be communicated with filtration channel.
And, binding post installing hole is shaped with outside the centre bore of described battery lead plate, side relative to binding post installing hole is shaped with binding post and dodges hole, two battery lead plates forming interdigital electrode are symmetrical placement, in the binding post installing hole of battery lead plate, install described binding post, battery lead plate forms side binding post and is interconnected rear formation positive terminal thus; Opposite side binding post is interconnected rear formation negative terminal.
And described binding post is Y connection post, the binding post of homonymy can plug-in mounting mutually, and power supply cover internal leaves insulated power supplies wire casing, and is provided with power connection installing hole.
And described battery lead plate adopts stamped metal sheets to form, and surface uniform is distributed with equidistant, contour pyramidal projections and through-hole structure, and this projection and through-hole spacing are 2 ~ 6mm.
And described battery lead plate thickness is 0.1 ~ 2mm, battery lead plate is circular or octagon, and described battery lead plate is shaped with locating hole.
And described disc-type film bag is formed by two disc-type diaphragm outer rim welded seals, and disc-type Mo Dai center is shaped with product water out.
And disc-type diaphragm is reverse osmosis membrane, NF membrane, the one in milipore filter or microfiltration membranes.
And, described flow guiding disc surface uniform distribution cylindrical projections, flow guiding disc integral thickness is 5 ~ 8mm; Described flow guiding disc center and outward flange are all shaped with location structure.
And, be provided with insulating liner between power supply end cap and flow guiding disc.
And pressure casing is cylindric pressure-bearing shell, material can be stainless steel, fiberglass or engineering plastics; Described power supply end cap, intake end cover, center pull rod material are engineering plastics, aluminium alloy or stainless steel, are preferably stainless steel; Described flow guiding disc uses engineering plastics to make, and material comprises ABS, polypropylene or UPVC.
Advantage of the present utility model and beneficial effect are:
1, this dielectrophoresis dish tubular membrane separator, the dielectric polarization ability of the liquid suspended according to solia particle and its different, solia particle is pushed away electrode by dielectrophoresis force, slow down thus and even avoid because water is from material liquid effluent to the concentration polarization phenomenon of producing the initiation of water liquid side in Flat Membrane separating technology, to reach the object that reinforced film is filtered.
2, this dielectrophoresis dish tubular membrane separator, while the normal work keeping membrane filtration process, additional material such as chemical agent need not be added, reduce and even eliminate the fouling and scaling phenomenon occurred in membrane filtration process, the concentration polarization even avoiding occurring in membrane filtration process can be slowed down, meanwhile, improve membrane lifetime and membrane flux, the energy that reduction and elimination membrane pollution problem consume and cost.
3, this dielectrophoresis dish tubular membrane separator, apply dielectrophoresis force moved apart permeable membrane surface in the solid particle closing on film surface thus reach and prevent fouling and scaling, improve film transit dose, slow down and even avoid concentration polarization, with prolonging service lifetime of film and the operating efficiency and the aquifer yield that improve film.
4, this dielectrophoresis dish tubular membrane separator, use dielectrophoresis technology, under electric field action, during solid, liquid contact, solia particle surface can produce electric charge, these surface charges affect the ion distribution in solution conversely, form electric double layer, form electroosmotic effect, hydrone produces the migration of water side from material liquid side direction, increase film transit dose, to reach reinforced film filtering technique.
5, this dielectrophoresis dish tubular membrane separator, forms plate type electrode by symmetrically arranged battery lead plate, and electrode plate surface is evenly distributed with contour pyramidal projections and through-hole structure, and two panels battery lead plate can with the use of formation interdigitated electrode structure; Binding post installing hole is shaped with outside the centre bore of battery lead plate, side relative to binding post installing hole is shaped with binding post and dodges hole, two battery lead plates forming interdigital electrode are symmetrical placement, in the binding post installing hole of battery lead plate, install described binding post, battery lead plate forms side binding post and is interconnected rear formation positive terminal thus; Opposite side binding post is interconnected rear formation negative terminal; And described binding post is Y connection post, the binding post of homonymy can plug-in mounting mutually, and battery lead plate binding post structure design science is reasonable, is easy to install and safety and stability.
6, this dielectrophoresis dish tubular membrane separator, uses dielectrophoresis technology, under electric field action, dielectrophoresis force produces thrust to solid particle in water, the filter effect of film to solid particle in water can be strengthened, improve the filtration grade of film, obtain and better produce water water quality.
7, this dielectrophoresis dish tubular membrane separator, be interrupted and apply dielectrophoresis, can eliminate the problem of fouling membrane, and energy consumption is low, running cost is low.
8, this dielectrophoresis dish tubular membrane separator, scientific structure design is reasonable, adopt dielectrophoresis technology can reduce the fouling and scaling phenomenon even eliminated and occur in membrane filtration process, reach the target reducing concentration polarization, prevent the pollution of film, extend the service life of film, form electroosmotic effect, strengthen the filter effect of film, improve the aquifer yield of film, reduce energy consumption.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model (not containing pressure casing);
Fig. 2 is that the A-A of Fig. 1 is to cross-sectional view;
Fig. 3 is the B portion enlarged drawing of Fig. 2;
Fig. 4 is the C portion enlarged drawing of Fig. 3;
Fig. 5 is the structural representation of battery lead plate;
The flow guiding disc structural representation that Fig. 6 is;
Fig. 7 is utility model works principle schematic.
Description of reference numerals
1-center pull rod, the upper locknut of 2-, 3-upper jacket, 4-power connection installing hole, 5-power supply end cap, 6-flow guiding disc, 7-intake end cover, the dense water out of 8-, 9-lower jacket, locknut under 10-, 11-original water inlet, 12-pressure casing, 13-power supply wire casing, 14-binding post, 15-produces water out, 16-disc-type film bag, 17-battery lead plate, 18-pyramidal projections, 19-binding post installing hole, positioning convex outside 20-, 21-cylindrical projections, 22-dodges hole, 23-filtration channel, 24-notch, 25-produces aquaporin, 26-produces water out, the former aquaporin of 27-, 28-binding post dodges hole, 29-locating hole, the latticed flow-guiding cloth of 30-.
Detailed description of the invention
Below by specific embodiment, the utility model is described in further detail, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind of dielectrophoresis dish tubular membrane separator, it is primarily of pressure casing 12, power supply end cap 5, intake end cover 7, flow guiding disc 6, and disc-type film bag 16, battery lead plate 17 and center pull rod 1 are formed.Power supply end cap, multiple flow guiding disc and intake end cover stack successively, and adopt center pull rod to install fixing in the middle, and power end upper part of the cover center pull rod is set with upper jacket 3, and locknut 2 is installed on upper jacket top.The center pull rod of intake end cover bottom is set with lower jacket 9, and lower locknut 10 is installed.Be provided with insulating liner between power supply end cap and flow guiding disc, ensure the insulation between battery lead plate and power supply end cap.
Pressure casing sealing is installed in outside power supply end cap and intake end cover, former aquaporin 27 is formed between flow guiding disc periphery and pressure casing, notch 24 is shaped with in the middle part of flow guiding disc, to form filtration channel 23, formed between flow guiding disc Center-to-Center pull bar and produce aquaporin 25, between adjacent two flow guiding discs, closed assembly disc-type film bag, does not contact between disc-type film bag and upper and lower flow guiding disc, forms filtration channel.At the inner installing electrodes plate of stacked film bag.Battery lead plate is shaped with binding post installing hole 19, side relative to binding post installing hole is shaped with binding post and dodges hole 28, two battery lead plates forming interdigital electrode are symmetrical placement, in the binding post installing hole of battery lead plate, install binding post 14, battery lead plate forms side binding post and is interconnected rear formation positive terminal thus; Opposite side binding post is interconnected rear formation negative terminal.Binding post is Y connection post, and the binding post of homonymy can plug-in mounting, conveniently installation mutually.Power supply cover internal leaves insulated power supplies wire casing 13, and is provided with power connection installing hole 4.Two adjacent electrode plates form interdigital electrode; Intake end cover is shaped with the original water inlet 11 be communicated with former aquaporin, and intake end cover is also shaped with the dense water out 8 be communicated with filtration channel, and the product water out 15 be communicated with product aquaporin.Produce water out and be formed on lower jacket sidewall.
Battery lead plate adopts stamped metal sheets to form, and surface uniform is distributed with equidistant, contour pyramidal projections 18 and through-hole structure, and this projection and through-hole spacing are 2 ~ 6mm.Battery lead plate thickness is 0.1 ~ 2mm, be preferably 0.5mm, battery lead plate is circular or octagon.Battery lead plate is shaped with locating hole 29.
Disc-type film bag is formed by two disc-type diaphragm outer rim welded seals, and disc-type Mo Dai center is shaped with produces water out 26.Disc-type diaphragm is reverse osmosis membrane, NF membrane, the one in milipore filter or microfiltration membranes
Flow guiding disc surface uniform distribution cylindrical projections 21, flow guiding disc integral thickness is 5 ~ 8mm, is preferably 7mm; Periphery, flow guiding disc center is shaped with dodges hole 22.Flow guiding disc center is shaped with location structure, and flow guiding disc outward flange is all shaped with outside positioning convex 20.Latticed flow-guiding cloth 30 is installed in periphery, flow guiding disc center.
Pressure casing is cylindric pressure-bearing shell, and material can be stainless steel, fiberglass or engineering plastics; Described power supply end cap, intake end cover, center pull rod material are engineering plastics, aluminium alloy or stainless steel, are preferably stainless steel; Flow guiding disc uses engineering plastics to make, and material comprises ABS, polypropylene or UPVC.
The course of work of the present utility model is:
Feed liquid enters in pressure casing by the former water inlet of intake end cover, the other end of assembly is flow to from the former aquaporin between flow guiding disc and pressure casing, enter in the filtration channel of flow guiding disc at the other end by passage, processed liquid flows fast through the side face of disc-type film bag with the shortest distance, then 180 ° are reversed another face of disc-type film bag, next flow guiding disc is flow into again from the notch at flow guiding disc center, thus formed by two serpentine routes in the flow guiding disc circumference-center of circle-circumference-center of circle on film surface, concentrate finally from dense water out flow out.Produce water flows to center pull rod periphery in the middle of diaphragm product aquaporin along latticed flow-guiding cloth, discharged by the product water out of charging end cap.Due to the dielectric polarization ability lower relative to water, solid particle is usually expressed as negative dielectrophoresis character in Yuan Shui (material liquid); Namely, in unshapeliness electric field, solid particle is moved by weak electric field direction.Former water (material liquid) is through the surface of film, and the electrode installed under film provides the electric field of the unshapeliness needed for dielectrophoresis force.When in former water (material liquid), solid particle is near film, namely when electrode, near film, so will cannot be reduced the generation even eliminating fouling membrane and structure, slow down the concentration polarization phenomenon even avoided in membrane separation process by moving apart.Due to pressure effect and formation electric double layer, hydrone produces the migration of water liquid side from waste water (material liquid) side direction, improves film transit dose.
Dielectrophoresis concept involved by the utility model and operation principle are:
Dielectrophoresis (Dielectrophoresis) technology has successfully been applied to biomedical industries to be separated, richness is amassed, catch particulate and cell.What this technology described is the translational motion that the neutral corpuscle being positioned at non-well-balanced electric field produces due to the effect of dielectric polarization, produce dipole moment on particulate can by two identical carried charges but opposite polarity electric charge represent.When they are on particle interface during mal-distribution, produce a macroscopical dipole moment.When this dipole moment is arranged in unshapeliness electric field, produce a resulting net force in the difference of the local electric field strength on particulate both sides, be called dielectrophoresis force.Because the particulate be suspended in medium has different dielectric properties (dielectric constant) from medium; particulate can by or the direction of stronger electric-field intensity move; be called positive dielectrophoresis, or the direction of more weak electric-field intensity is moved, be referred to as negative dielectrophoresis.
The separation permeable membrane that occurs in membrane filtration parting liquid liquid pollutes, and is all solia particle (particulate, colloidal particles, solute crystalline solid, bacterium, and insoluble organic matter drop and larger molecular organics exist relative to liquid.In such a system, the dielectric polarization ability of the liquid suspended due to solia particle and its different, solia particle is pushed away electrode or is adsorbed on electrode by solia particle by dielectrophoresis force, shows or negative dielectrophoresis character or positive dielectrophoresis character.
Due to the dielectric polarization ability lower relative to water, solid particle is usually expressed as negative dielectrophoresis character in waste water; Namely, in unshapeliness electric field, solid particle is moved by weak electric field direction.As shown in Figure 7, waste water (material liquid) is through the surface of film, and the electrode installed under film provides the electric field of the unshapeliness needed for dielectrophoresis force.When solid particle is near film, namely when interdigital electrode, will cannot near film by moving apart.The generation of fouling membrane and stifled film is even eliminated in minimizing like this.
As above, due to the dielectric polarization ability lower relative to water, solid particle is usually expressed as negative dielectrophoresis character to principle in waste water (material liquid); Namely, in unshapeliness electric field, solid particle is moved by weak electric field direction.While water flows to driving liquid side from material liquid side through film, solute in material liquid moves apart and cannot near film by dielectrophoretic force, solute can not at film surface enrichment, so slow down and even avoid because water is from material liquid effluent to the concentration polarization phenomenon driving liquid side to cause in Flat Membrane separating technology, raising water transit dose.
Although disclose embodiment of the present utility model and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the utility model and claims, various replacement, change and amendment are all possible, therefore, scope of the present utility model is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (10)
1. a dielectrophoresis dish tubular membrane separator, it is characterized in that: primarily of pressure casing, power supply end cap, intake end cover, flow guiding disc, disc-type film bag, battery lead plate and center pull rod are formed, power supply end cap, multiple flow guiding disc and intake end cover stack successively, and adopt center pull rod to install fixing in the middle, pressure casing sealing is installed in outside power supply end cap and intake end cover, former aquaporin is formed between flow guiding disc periphery and pressure casing, filtration channel is formed in the middle part of flow guiding disc, formed between flow guiding disc Center-to-Center pull bar and produce aquaporin, closed assembly disc-type film bag between adjacent two flow guiding discs, at the inner installing electrodes plate of stacked film bag, battery lead plate the inner is all provided with binding post, two adjacent electrode plates form interdigital electrode, intake end cover is shaped with the original water inlet be communicated with former aquaporin, and intake end cover is also shaped with and produces the product water out that aquaporin is communicated with and the dense water out be communicated with filtration channel.
2. dielectrophoresis dish tubular membrane separator according to claim 1, it is characterized in that: outside the centre bore of described battery lead plate, be shaped with binding post installing hole, side relative to binding post installing hole is shaped with binding post and dodges hole, two battery lead plates forming interdigital electrode are symmetrical placement, in the binding post installing hole of battery lead plate, install described binding post, battery lead plate forms side binding post and is interconnected rear formation positive terminal thus; Opposite side binding post is interconnected rear formation negative terminal.
3. dielectrophoresis dish tubular membrane separator according to claim 1 and 2, it is characterized in that: described binding post is Y connection post, the binding post of homonymy can plug-in mounting mutually, and power supply cover internal leaves insulated power supplies wire casing, and is provided with power connection installing hole.
4. dielectrophoresis dish tubular membrane separator according to claim 1, it is characterized in that: described battery lead plate adopts stamped metal sheets to form, surface uniform is distributed with equidistant, contour pyramidal projections and through-hole structure, and this projection and through-hole spacing are 2 ~ 6mm.
5. dielectrophoresis dish tubular membrane separator according to claim 1, is characterized in that: described battery lead plate thickness is 0.1 ~ 2mm, and battery lead plate is circular or octagon, and described battery lead plate is shaped with locating hole.
6. dielectrophoresis dish tubular membrane separator according to claim 1, is characterized in that: described disc-type film bag is formed by two disc-type diaphragm outer rim welded seals, and disc-type Mo Dai center is shaped with product water out.
7. dielectrophoresis dish tubular membrane separator according to claim 6, is characterized in that: disc-type diaphragm is reverse osmosis membrane, NF membrane, the one in milipore filter or microfiltration membranes.
8. dielectrophoresis dish tubular membrane separator according to claim 1, is characterized in that: described flow guiding disc surface uniform distribution cylindrical projections, and flow guiding disc integral thickness is 5 ~ 8mm; Described flow guiding disc center and outward flange are all shaped with location structure.
9. dielectrophoresis dish tubular membrane separator according to claim 1, is characterized in that: be provided with insulating liner between power supply end cap and flow guiding disc.
10. dielectrophoresis dish tubular membrane separator according to claim 1, it is characterized in that: pressure casing is cylindric pressure-bearing shell, material can be stainless steel, fiberglass or engineering plastics; Described power supply end cap, intake end cover, center pull rod material are engineering plastics, aluminium alloy or stainless steel, are preferably stainless steel; Described flow guiding disc uses engineering plastics to make, and material comprises ABS, polypropylene or UPVC.
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| CN201520094207.XU CN204429109U (en) | 2015-02-10 | 2015-02-10 | A kind of dielectrophoresis dish tubular membrane separator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104689718A (en) * | 2015-02-10 | 2015-06-10 | 内蒙古天一环境技术有限公司 | Dielectrophoresis butterfly tube type membrane component |
| CN106517257A (en) * | 2016-12-02 | 2017-03-22 | 成都美富特膜科技有限公司 | Lithium chloride liquid purification method and lithium chloride liquid purification equipment |
| CN106698799A (en) * | 2015-11-13 | 2017-05-24 | 内蒙古天环境技术有限公司 | Intelligent safe water supply system |
-
2015
- 2015-02-10 CN CN201520094207.XU patent/CN204429109U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104689718A (en) * | 2015-02-10 | 2015-06-10 | 内蒙古天一环境技术有限公司 | Dielectrophoresis butterfly tube type membrane component |
| CN106698799A (en) * | 2015-11-13 | 2017-05-24 | 内蒙古天环境技术有限公司 | Intelligent safe water supply system |
| CN106517257A (en) * | 2016-12-02 | 2017-03-22 | 成都美富特膜科技有限公司 | Lithium chloride liquid purification method and lithium chloride liquid purification equipment |
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