CN104624051A - Method and device for filtration and separation of flowing feeds by means of diaphragms - Google Patents
Method and device for filtration and separation of flowing feeds by means of diaphragms Download PDFInfo
- Publication number
- CN104624051A CN104624051A CN201310557137.2A CN201310557137A CN104624051A CN 104624051 A CN104624051 A CN 104624051A CN 201310557137 A CN201310557137 A CN 201310557137A CN 104624051 A CN104624051 A CN 104624051A
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- separated
- pad
- need
- bundle
- 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.)
- Granted
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to a method and device (10) for filtration and separation of flowing feeds (11) by means of diaphragms (13). The device comprises: a basically sealed shell (14), in which a lot of diaphragms (13) are disposed; at least one inlet (15) for leading the to-be-separated flowing feeds (11) into the device (10); and at least one discharge port (16) for leading a permeated substance (18) out of the device (10) and a discharge port (17) for leading a retentate (19) out. Specifically, the diaphragms (13) are constructed according to the types of diaphragm pads, and the diaphragm pads have opening areas (131) for discharging the permeated substance (18) accumulated in diaphragm inner cavities (137). According to the to-be-separated flowing feeds (11), each part number of diaphragms (13) composing a diaphragm bundle (12) are constructed for different separation ranges, so that among the diaphragms (13) with different separation ranges, each part number of diaphragms utilize the respectively predetermined different pressures of the to-be-separated feeds (11) or different vacuum on the permeation sides of the diaphragms (13) to work.
Description
Technical field
The present invention relates to a kind of method by membrane filtration and separated flow medium, it comprises: the housing substantially sealed, in this housing, be provided with a large amount of diaphragms; At least one is for the entrance in the flow media introducing device that need be separated; With at least one for the outlet of drawing penetrant and draw retentate in device, wherein according to the pattern structure diaphragm of diaphragm pad, these diaphragm spacers have the open area for discharging the penetrant accumulated in diaphragm inner chamber; And
The present invention relates to a kind of for the device by membrane filtration and separated flow medium, it comprises: the housing substantially sealed, in this housing, be provided with a large amount of diaphragms; At least one is for the entrance in the flow media introducing device that need be separated; With at least one for drawing the outlet of penetrant and one for drawing the outlet of retentate in device, wherein according to the pattern structure diaphragm of diaphragm pad, these diaphragm spacers have the open area for discharging the penetrant accumulated in diaphragm inner chamber.
Background technology
In EP-A-1445013, such as describe a kind of method or a kind of device can implementing such method, wherein, construct this device according to the separative element of the script of so-called winding patching structure, this separative element can be accommodated in the housing of a sealing.
Diaphragm element is often configured to so-called diaphragm pulvilliform formula as used herein, pad film (Kissenmembran) or film bag is also referred to as in technical field, no matter these diaphragm elements are in the medium that need be separated, or in its size (diaphragm face), be all applicable to various separation object, but wherein equally will according to the separation object of the medium that need be separated select specially form diaphragm pad, the optional original diaphragm of material.
The isolation technics of carrying out work with pressure is divided into filtration, super diafiltration, millimicro filtration and reverse osmosis by people.These isolation technics of carrying out work with pressure are partly overlapped, and the physical action mechanism be therefore only separated based on the material carried out in diaphragm in theory is just considered as strict separation by professional.However, or often use above-mentioned broad classification, please refer to " diaphragm partition method, super diafiltration and reverse osmosis, Robert Rautenbach work, Salle+Sauerlaender publishing house, 1981 ".
By the material of diaphragm be separated enter nearly all field of industry and commerce economy and coverage such as from marine facility as boats and ships and at sea use or anchoring drilling platforms material be separated to field of seawater desalination for the production of industry and commerce water and fresh water and infiltration water field, as in garbage disposal plant in addition the occurring with the sewage treatment area in place of industry and commerce.
Majority in the flow media of these liquid state is made up of the various mixtures of different liquid ingredients, part is even mixed with gaseous constituent, because the reason of these compositions is up to now in order to each separated product desired by after method for separating and processing, have to use a kind of device or specific separator of a kind of product can implementing a kind of method for separating and processing.As can be readily seen that, this needs the equipment of great number to pay the control device with the costliness also needing method that is have to exploitation in order to the mixture of separate complex or that have to implement to use in addition.The material that need most in material blends are separated all must utilize the different separation mechanism described in above preamble could separate from the mixture that need be separated, because certain specific separation method some the specific material be not suitable in the mixture that need be separated and only have other method could realize the separation of these materials.The different material belonging to material group identical in chemical/physical even in mixture sometimes by a kind of material separation method, instead of can only be separated from the whole mixture that need be separated by another kind of material separation method.
Following situation is there will be: up to now for the flow media that intricately mixes as sketched above, again realize half-finished separation via multiple device by again implementing separation successively, these devices are applicable to the desired product that need separate respectively.This also needs a lot of time except the great number equipment expenditure addressed, and needs the energy of great number to pay.
Summary of the invention
Therefore the object of the invention is to, a kind of method is provided, utilize the method can will only just obtainable different product separation is out by different separation mechanisms respectively from a mixture that is complicated, that need be separated in a processing procedure, the wherein said method equipment that needs are very little compared with separator up to now expenditure and such as, do not need the device to implementing such method to transform, therefore described method can be implemented rapidly and economically.
This object first scheme according to the present invention is achieved in the following way: intrafascicular at diaphragm, can with the medium that need be separated, respectively pre-determined different pressure impel the diaphragm of the respective quantity of different separating ranges (Trennbereich) to carry out work, and this object is achieved in the following way in alternative plan of the present invention: intrafascicular at diaphragm, can with the medium that need be separated, respectively pre-determined different vacuum impel the diaphragm of the respective quantity of different separating ranges to carry out work.
In two schemes be highly profitable of the present invention rear one can also such as, will only by such as, the material that the diaphragm carrying out work according to pervaporation method can be separated is separated from the mixture of complexity.
In view of each separation method, the advantage of the solution of the present invention is: strive reaching to a certain extent in a processing procedure according to object, different separating ranges selected by the various piece quantity of all diaphragm element quantity be loaded realizes selectable material and is separated, in other words, from the mixture that need be separated, the product desired by each can be isolated selectively.Need up to now in this way, need nonexpondable separation method can reduce to a kind of separation method in principle.As striven reaching, this is not only the advantage of a considerable equipment aspect, and is also one and is embodied in and saves time and the advantage of spending aspect.
In principle, what same advantage also proposed in the present invention implements to be achieved in the scheme of material separation process by negative pressure (vacuum), in other words, can be separated the method for certain mixture by the negative pressure only utilized in the per-meate side of diaphragm element.
According to one of this method useful development design, impel with the different pressure of the medium that need be separated and the diaphragm of pre-determined partial amt can carry out work in the diaphragm quantity of diaphragm bundle, in other words, the diaphragm element of each quantity of diaphragm bundle is only responsible for one and is separated task or a separating ranges, and the diaphragm of another part quantity in the diaphragm quantity of described diaphragm bundle is then given for other separating ranges of the medium that need be separated.The radix (Maechtigkeit) of the various piece quantity of diaphragm again by produce, the flow media that need be separated with can the quantity (volume) of desired part the determining of specific different material in the whole mixture that need be separated.
With regard to its meaning, same content is also applicable to be separated by the material of negative pressure valuably, the diaphragm of pre-determined partial amt can be applied the vacuum of different height valuably in view of the medium that need be separated in the diaphragm quantity of wherein diaphragm bundle.
So can use this method valuably equally, namely in view of the medium that need be separated, the diaphragm of at least pre-determined Part I quantity in the diaphragm quantity of diaphragm bundle is applied in and at least the diaphragm of pre-determined Part II quantity can be applied in different pressure in the vacuum of different height and diaphragm quantity.
Preferably construct as follows and a kind ofly filter the device with separated flow medium by diaphragm, utilizing this device to implement, civilian head addresses filters the method with separated flow medium by diaphragm: according to the flow media that need be separated, the diaphragm construction of each several part quantity formed in the diaphragm quantity of diaphragm bundle is used for different separating ranges.
A partial amt in the diaphragm quantity of such formation diaphragm bundle is valuably by such as, be suitable for the diaphragm composition that millimicro is filtered, another partial amt of diaphragm is made up of the diaphragm that can carry out work according to the principle enforcement separation of reverse osmosis, and the diaphragm of another quantity of diaphragm bundle is made up of the diaphragm being configured to implement to be separated according to the principle of super diafiltration, wherein for this of the different diaphragm quantity of different separating ranges enumerate should only be interpreted as herein exemplary, wherein every other diaphragm can form the diaphragm of the various piece quantity clearly do not enumerated of diaphragm bundle equally herein.When with regard to its meaning, object is identical, the advantage that the method for the present invention addressed with literary composition head is enumerated relatively is applicable to the device formed by the present invention clearly.
Although device of the present invention can suitably be selected arbitrarily in view of the layout of diaphragm in this device or in the housing belonging to this device in principle, in other words, the device that diaphragm element is made up of doughnut diaphragm or capillary diaphragm in principle is also suitable for, but pattern diaphragm bundle being configured to multi-layer helical is extremely useful.Such diaphragm bundle is also referred to as spiral module and has following large advantage, namely, in fact be arranged to, in spiral helicine, process for the diaphragm of this medium that need be separated, all diaphragm positions all to exist identical pressure ratio traversing from end face effluent through the medium that the need of this spiral are separated.The spiral module that being also referred to as like this is wound around module can ratio is as larger in a diaphragm element Shu Rongna in identical spatial volume diaphragm face, is directed across this diaphragm element bundle circuitously at the intrafascicular medium that need be separated of this diaphragm element from the entrance of the medium for being separated to retentate from the outlet device.
Spiral module or the formation that is wound around module for the various piece quantity of the diaphragm quantity of different separating ranges of the present invention distribution tool have the following advantages: all identical Anywhere equally in diaphragm face of the pressure ratio of the medium (feeds) that need be separated.
In membrane separation technique importantly: between the selectable diaphragm element of material, in other words, the penetrant produced in the inner chamber of the diaphragm pad between the diaphragm of the script of diaphragm pad can rapidly and interference-free flow out.Owing to being that in its separating ranges configured, penetrant has different rheological behaviors at different, diaphragm, it is useful for these rheological behaviors being optimized in the following way, namely in its inner chamber between diaphragm element, at least one intermediary element is set, this intermediary element not only has interval function, namely two inner surfaces being responsible for the diaphragm making diaphragm pad keep spacing, but also can make the penetrant interference-free in the inner chamber of diaphragm pad or flow out unimpededly.
It is beneficial that: the intermediary element being configured to plane substantially has the different thickness can selected in advance according to the separating ranges of diaphragm pad, wherein this thickness with select, select to by it diaphragm element or the separating ranges that forms is harmonious and it is endowed an optimized shape, be obstructed to prevent the outflow of the penetrant accumulated in diaphragm inner chamber.
In order to make the flow media that need be separated flow through diaphragm bundle as far as possible unimpededly, an other useful design according to the present invention is provided with distance piece between the diaphragm pad forming diaphragm bundle.These distance pieces are to blame the flow media enabling to be separated and substantially flow through diaphragm bundle unimpededly.The flow channel of diaphragm bundle is flow through equally very it is beneficial that: be configured to plane substantially or the different thickness selected of the cancellate distance piece separating ranges with the diaphragm element of the diaphragm pad that can adjoin according to both sides at least respectively about the medium that need be separated.This thickness of distance piece is also conclusive for the flow media that need be separated flows through diaphragm bundle as far as possible unimpededly, wherein can select the thickness of distance piece matchingly with the separating ranges selected by each diaphragm pad.In this way, simple adjustment can also be carried out and reach the object that the medium realizing being separated flows through diaphragm bundle best.
According to an other useful design of the present invention, the diaphragm pad forming diaphragm bundle traverses infiltration discharge and the gathering-device overlap wrapping as follows of device around one according to the pattern of spiral, namely the open area of described diaphragm pad to be discharged and the corresponding infiltration outlet of gathering-device keeps connecting to described infiltration.Infiltration is discharged and gathering-device has a large amount of holes for this reason, and this some holes passes the shell of its tubulose, and wherein this some holes is directed as follows, i.e. their infiltration outlets with diaphragm pad or permeate discharging area and keep being connected and penetrant can be flowed out by this some holes.
According to another other useful design of the present invention, the diaphragm wrapping being configured to the pattern of spiral, around on an independent tube elements, wherein hole is accommodated with infiltration within it and discharges and gathering-device.This tool has the following advantages: can in advance to a certain extent complete function ground batch production spiral module or be wound around module and only need be sleeved on be configured to tubulose, in this design in independent infiltration discharge and gathering-device.In this design of device, the fishbolt of housing that the infiltration discharge of tubulose and gathering-device can also be used as center, that traverse described device, can be accommodated in housing by spiral module or with being wound around module sealing.
As same literary composition is first sketched, also the principle of device of the present invention can be applied on the diaphragm bundle that is made up of a large amount of distance piece that be alternately stacked up, that be configured to plate-like and diaphragm pad.Such as by the known a kind of such device of EP-A-0289740, be well-known in a lot of designs of prior art in the structure that this device is identical in principle.The principle of the present invention in device equally in method can be applied on such diaphragm bundle equally without problems.
In order to such diaphragm is intrafascicular to be similar to the above-mentioned plane that is configured in effect being configured to, usually be configured to cancellate distance piece and above diaphragm face, realize the corresponding space of the medium that need be separated with the below in diaphragm face like that, preferably be provided with a large amount of projections surmounting surface elevation on the surface at least one of distance piece, determine the size of these projections in its height as follows, namely, the selectable face of each fluid of diaphragm pad is made not to be placed on protruding surface, but only support with keeping fine pitch with diaphragm pad in case of need.In the projection of another kind of type, the projecting formations of the surface elevation of the distance piece of relative plate-like has the small plane on the surface being parallel to distance piece, such diaphragm element can be bearing on these protruding parallel surfaces, to prevent the selectable membrane surface of attacking material.
According to preferred mode, the thickness of distance piece is defined by the height of projection, and this setup is generally suitable for.
Finally, diaphragm bundle this design in, distance piece can arrange equally an external rings around, respectively from the edge of the surface elevation of distance piece, the thickness of its spacers is defined by the height at the edge of this distance piece.
Therefore, ensure in this design of diaphragm bundle as follows: all the time according to desired medium separating ranges with simple method, ensure the passage for the medium that need be separated ordinatedly with the height of projection and/or the height at edge.
Accompanying drawing explanation
The present invention is explained in detail by the first embodiment referring now to schematic diagram below, wherein to the second embodiment only with regard to the variation part cutline in addition of its relative first embodiment.Wherein:
Fig. 1 is the sectional view of device of the present invention;
Fig. 2 is the sectional view of the parts of device illustrated in fig. 1, these parts are made up of the spiral formed to pad film and distance piece, this spiral overlap wrapping on a tube elements and substantially traverse described device, the infiltration discharge of bolt shape and gathering-device can be sleeved on this spiral;
Fig. 3 is the sectional view according to the line C-D in Fig. 2 of spiral, but be embedded with than the infiltration discharge of Fig. 2 scale amplifying and the diaphragm pad of gathering-device and also underlapped winding and the distance piece that is arranged between diaphragm pad compared with Fig. 2 in the inner chamber of tube elements, in order to structure of the present invention to be described;
Fig. 4 a is the partial side, cross-sectional view that the ratio of distance piece is significantly amplified;
Fig. 4 b is the top view that the ratio of distance piece is significantly amplified;
Fig. 5 is the diaphragm pad that the present invention uses, and this diaphragm spacer has the single side regions forming infiltration outlet;
Fig. 6 is the local of the section of line A-B along Fig. 5, and it illustrates the structure of the diaphragm pad with intermediary element;
Fig. 7 is the local of the section of line E-F along Fig. 5, and it illustrates the structure of the diaphragm pad without intermediary element;
Fig. 8 is the top view of distance piece, as it is used in separator, these separators are configured to the pattern of columniform diaphragm bundle substantially, at the quantity of the intrafascicular all distance pieces of this diaphragm and the quantitative alternation (the second modification of device of the present invention) of all diaphragm pads, the top view of diaphragm pad is shown; With
Fig. 9 is the side sectional view of the distance piece of Fig. 8, eliminates unnecessary details to understand device.
Detailed description of the invention
About the structure of device 10, first with reference to Fig. 1 and 2.Device 10 comprises the housing 14 of a sealing, and this housing is configured to the element of circular tube shaped herein in the accompanying drawings.Relative housing 14 is substantially axially provided with infiltration discharge and the gathering-device 21 that is traversed device 10 substantially, this infiltration discharge and gathering-device have the function of fishbolt in addition, the supporting of this fishbolt or fastening separative element 110, also will be described in detail below to this.
A part for separative element 110 shown in figure 2, wherein this separative element except bolt shape traverse except the infiltration discharge of device 10 and gathering-device 21 there is shutoff element 25,26, these shutoff elements are not for the sake of clarity illustrated in fig. 2.
Discharge in infiltration and gathering-device 21 has an independent tube elements 27, this tube elements can be open, but this tube elements also can be discharged from infiltration and remove gathering-device 21.
According to a large amount of diaphragms of the type structure of diaphragm pad 13 equally substantially traverse device 10 and be slightly shorter than over its axial length housing 14 axial length independent tube elements 27 on overlap wrapping become multicomponent or the spiral 20 of multilayer type, separately please refer to Fig. 3.What illustrate in fig 1 and 2 is the multicomponent spiral 20 of final overlap wrapping state.
The diaphragm element of all quantity forms one as it is shown in figure 3 and as it is hereinafter by the diaphragm bundle 12 further describing as shown in figures 1 and 2.In view of the flow media 11 that need be separated, the diaphragm pad 13 forming diaphragm bundle 12 is configured to different separating ranges.In other words, a part for diaphragm bundle 12 is by being configured to such as, and reverse osmosis, such as, millimicro is permeated, and such as, surpasses infiltration, or forms for the diaphragm element 13 be separated according to the material of pervaporation method in addition.
According to foregoing, the diaphragm pad forming the specific part quantity in the quantity of the diaphragm pad 13 of diaphragm bundle 12 may be used for forming diaphragm bundle 12.
Also such as can implement material when forming diaphragm pad 13 suitably by the pervaporation method of vacuum aided to be separated.Whole combinations of the different separating ranges of flow media 11 are possible and can form and be assembled into spiral diaphragm bundle 12.
The section that diagrammatically show the C-D along the line of Fig. 2 of Fig. 3, but its large percentage, different from the content shown in Fig. 2, what this illustrated is embeds infiltration discharge in the hole 270 of tube elements 27 and gathering-device 21, multicomponent spiral 20 that be made up of independent diaphragm pad 13, that be in non-overlapped winding state.Illustrated by improper ratio with the diaphragm pad shown in continuous lines in figure 3.Pass through diaphragm spacer in the embodiment implemented at one and have the width of such as 950mm and the length of 755mm, wherein said length is considered as the effective length of diaphragm pad 13 along the direction of tube elements 27.A possible embodiment that what the aforementioned width data in view of diaphragm pad and length data related to is only, but width and the length of diverse diaphragm pad 13 also can be set according to the different design of device 10.
In embodiment shown in figure 3, multicomponent spiral 20 is made up of 18 diaphragm pads 13, wherein also it is to be noted in this case: also can form spiral 20 by the diaphragm pad 13 of other quantity.
Be separated can assemble diaphragm pad in advance according to the diaphragm pad of the formation diaphragm bundle 12 of the various piece quantity in the quantity of desired occupation mode selecting membrane pad 13 and in order to the material of making every effort to the flow media 11 realizing intricately mixing, in other words: on the whole according to qualitatively and the separation degree of quantitatively desired realization and desired separating resulting carry out selecting and assembling.
It is to be noted equally: in order to the graphic display unit 10 understanding Fig. 3 is better only schematic.Therefore the diaphragm pad 13 of same each part spiral 20 that comes from different backgrounds and possess different abilities shown in a diagram launched to a certain extent herein.
Diaphragm pad 13 has one as the structure illustrated in figures 5,6 and 7, will do elaboration detailed further hereinafter to this.In the state of the final overlap wrapping of multicomponent spiral 20, this spiral 20 has one as the shape shown in cross sectional side view in fig 1 and 2.
The tube elements 27 that the diaphragm pad 13 of multicomponent spiral 20 has infiltration outlet 131 is relatively arranged as follows, namely permeates radial hole 271 in tube elements 27 of discharging area or infiltration outlet 131 directional structure or imports in this some holes, please referring again to Fig. 3.There is following possibility like this: the penetrant 18 of discharging from the infiltration outlet of diaphragm 13 can flow into radial hole 271 and can flow to by these radial holes the infiltration entrance 210(Permeateinlaufoeffnung being positioned at infiltration discharge in the endoporus 270 of tube elements 27 and gathering-device 21) in and to discharge and on gathering-device 21 in infiltration with the formal construction of axial groove due to this infiltration entrance 210, so penetrant can be drawn towards cannelure on the end being configured in infiltration discharge and gathering-device 21 and therefrom from there through penetrant outlet 16 discharged to outside.
But also have following possibility: tube elements 27 endoporus 270 and substantially traverse between the infiltration discharge of bolt shape of device 10 and gathering-device 21 and replace the infiltration entrance 210 of independent flute profile that a cannelure is set, be then drawn towards penetrant outlet 16 by this cannelure penetrant 18.
In the embodiment of the device 10 of setting forth herein, in tube elements 27,18 diaphragm pads 13 are provided with 18 radial holes 271.Along independent tube elements 27, the length of diaphragm pad 13 is provided with radial hole 271 that is a large amount of, that in axial direction arrange, to ensure that the penetrant 18 leaving diaphragm pad 13 flows out as far as possible equably.
Second multicomponent spiral 22 is made up of distance piece 23, and these distance pieces are arranged as follows, and the diaphragm pad 13 of the part spiral 20 that namely comes from different backgrounds and possess different abilities keeps spacing each other by a large amount of distance pieces 23 that are described, that form the second multicomponent spiral 22.In figure 3, on the contrary with diaphragm pad 13 distance piece 23 is shown in broken lines.
The distance piece 23 with diaphragm pad 13 with length about the same and width has a cancellate structure, with reference to Fig. 4 a and 4b.In order to the structure of distance piece 23 is described, the diagram of the distance piece 23 in Fig. 4 a and 4b is exaggerated and illustrates.The cancellate structure of distance piece 23 is made up of a large amount of mutual the first and second substantially orthogonal elements 230,231.Element 230,231 is configured to bar-shaped.First element 230 constructs be greater than the second element 231 in cross section simultaneously.In order to the second spiral 22 of the part that comes from different backgrounds and possess different abilities, distance piece 23 in device 10 or the first spiral 20 of the multicomponent be relatively made up of diaphragm pad 13 arrange as follows, namely the first element 230 of this distance piece 23 relatively tube elements 27 or relatively the infiltration discharge of bolt shape and gathering-device 21 substantial axial directed, flow media 11 that pass spiral 20 or 22 like this, that need be separated can flow along the second element 231, in other words, one is formed for little of negligible flow resistance the flow media that need be separated.
In the embodiment illustrated in figs 4 a and 4b herein, the first and second elements 230,231 of distance piece 23 have substantially circular structure.If but such as should realize vortex flow when the flow media 11 that need be separated overflows from diaphragm pad 13 through multicomponent spiral 20 targetedly, also can be other shape of cross section in principle, this service condition with particular/special requirement for device can be necessary.Distance piece 23 is made up of elastomeric material, such as, can be the plastics of elastoplast.
Type according to the diaphragm pad of the partial amt in the diaphragm pad 13 be made up of the various desired diaphragm pads 13 of specific quantity can carry out following setting: distance piece 23 has selectable, different thickness 232.By the selectable thickness 232 of distance piece 23, each flow channel of the flow media 11 between two adjacent diaphragm pads 13 can be determined, the separating resulting of desired flow media 11 and each desired separating ranges will be considered more precisely equally.Therefore can use different too according to the diaphragm pad 13 of each several part quantity being configured to specific separating ranges in a diaphragm bundle 12, namely there is the distance piece 23 of different-thickness 232.
If the first spiral 20 of the multicomponent be made up of diaphragm pad 13 enters its net shape, with reference to Fig. 1 and 2, the distance piece 23 be arranged between diaphragm pad 13 is close to each adjacent diaphragm element 133 of each adjacent diaphragm pad 13, on the surface of 134, but prevent each diaphragm element 133 of described each adjacent diaphragm pad 13, 134 is directly stacked and therefore form the flow channel of flow media 11 for being separated, this flow media multicomponent spiral 20 that can be made up of from end face side inflow diaphragm pad 13 like this, with reference on the right side of Fig. 1, and again flow out from multicomponent spiral 20 after the whole length flowing through (Ueberstreichen) diaphragm pad 13, with reference on the left of Fig. 1.Due to be provided with the first spiral 20 being positioned at multicomponent diaphragm element between, to come from different backgrounds and possess different abilities the distance piece 23 of the second spiral 22 of part equally, for good and all ensured the enough large flow channel for flow media 11 on fluid cross-section.
Multicomponent, in the example of setting forth herein then by 36 elements, namely when the first and second spirals 20,22 of 18 diaphragm pads 13 and 18 distance piece 23 formations enter its final winding position, with reference to Fig. 1 and 2, in other words, diaphragm pad 13 then betwixt respectively settle distance piece 23 when stacked, spiral 20,22 is fixed on their excircle 24, with reference to Fig. 2.This point can be realized in the following way: be then wound around with the element of wire or a large amount of linear devices on its excircle 24 by spiral 20,22.In order to make spiral 20,22 still have higher stability in winding state, hardenable resin or plastics infiltration linear device can be used.Then can be heated or by suitably regulating the hardening process of resin or plastics to bring out the process of setting of linear device by suitable after the winding of spiral 20,22 completes.But also can such as utilize the band be made up of elastomeric material to be wound around according to the mode of coil on its excircle 24 spiral 20,22.
On the infiltration discharge that the object be so made up of spiral 20,22 as it is shown in fig. 2 traverses device 10 with being then sleeved on bolt shape and gathering-device 21.Then this object be made up of multicomponent spiral 20,22 and tube elements 27 is provided with the shutoff element 25,26 limiting two ends respectively at two ends, is respectively arranged with the entrance 15 of the medium 11 that at least one need be separated and the outlet 17 of at least one retentate 19 in these shutoff elements.Shutoff element 25,26 utilizes suitable fluid sealant and adapter sleeve to be sealed fixing by relative tube elements 17, wherein shutoff element 25,26 is configured with fluid sealant, by these shutoff elements of sealing glue then can by spiral 20,22, infiltration discharge and embed housing 14 in the separative element 110 that gathering-device 20 and shutoff element 25,26 are formed after this housing 14 relative locate hermetically, reference Fig. 1.
The diaphragm pad 13 used in apparatus 10 has the structure of rectangle substantially, with reference to Fig. 5.
Such as EP-B-0129663 has carried out introducing and can manufacturing in a well-known manner to such diaphragm pad 13.
This diaphragm pad 13 is often made up of two diaphragm elements 133,134 and is usually made up of the polymeric material being suitable for, wherein selective polymer as follows, namely in order to jointly complete the task of separation with device 10 specially, namely according to the flow media 11 that need be separated, they are selected.Two diaphragm elements 133,134 they around edge 136 on such as soldered by ultrasonic process or be suitably bonded together in a well-known manner.
The special feature associating the diaphragm pad 13 used with device of the present invention is: in diaphragm pad 13 on one of its end face 132, namely in a pre-determined region, be configured with infiltration outlet 131, this infiltration outlet is aimed at the radial hole 271 presented hereinbefore of tube elements 27 as follows, and the penetrant 18 namely flowed out through infiltration outlet 131 from diaphragm pad 13 can in the radial hole 271 of inflow pipe element 27.In the inside of diaphragm pad 13, in other words at least one intermediary element 135 can be set between the diaphragm element 133,134 forming diaphragm pad 13, please refer to the structure of the diaphragm pad 13 according to Fig. 6.
Intermediary element 135 can have different thickness 139 equally, with make selectable in materials at two layers, formed the cavity that produces between the membrane layer of a diaphragm pad 13 in view of the situation of the penetrant 18 be deposited in diaphragm pad 13 and be applicable to the flow media 11 that need be separated best.According to the flow media 11 that need be separated by device 10, by selecting the thickness 139 of intermediary element 135 also to there is other parameter aptly except the selectable thickness 232 of the constructive method of diaphragm originally and the suitable of distance piece 23, this parameter is selectable and can be applicable to the flow media 11 that need be separated best.Intermediary element 135 can also play the effect of mechanically stable to diaphragm pad 13, wherein the quantity of all intermediary element 135 can additionally be reinforced integral films bundle 12 in mechanical aspects again.
Intermediary element 135 can have the structure of similar non-woven fabrics, and penetrant more easily can flow to infiltration outlet 131 or flow out in this way.But intermediary element 135 can be set between diaphragm element 133,134 in principle yet, please refer to the structure of the diaphragm pad 13 according to Fig. 7.
Before with generally at spiral membrane module (Spiralmembranmodul) or be wound around common structure in membrane module (Wickelmembranmodul) and set forth device 10 relatively.Device 10 of the present invention and methodological principle of the present invention also can be applied in be configured in the diaphragm bundle 12 of separator pattern, in these separators, under the intermediate layer of each diaphragm pad 13, be respectively arranged with the distance piece assembled of mode pencil ground according to columniform bundle, wherein such as in EP-A-0289740, such device introduced.
The distance piece of such plate-like is such as shown in figs. 8 and 9, and wherein the outlet of flow media 11 from the entrance of flow media 11 to retentate flows through by diaphragm pad 13 circuitously and is configured to the bundle that plane distance piece 23 forms.Penetrant to be accumulated in the infiltration discharge at center and gathering-device 21 with well-known method itself and is drawn from the device be not shown in detail herein by the outlet of penetrant.Distance piece 23 has two surfaces 28,29, these two surface structures become substantially parallel to each other and have a large amount of, its height 31 for flow media 11 flow channel be conclusive protruding 30, between each two projections, surround formation diaphragm pad 13.Be not as the height 31 of protruding 30 beyond optional be exactly supplementary as the height 31 to projection 30, the flow cross section of flow media 11 on the two sides can determining the surface of distance piece 23 around the edge 32,33 on distance piece 23 two sides equally.As is well known in the art, in some embodiments of distance piece 23, diaphragm pad 12 is only bearing between the summit of protruding 30, but be not placed on these summits, in another distance piece 23 diaphragm pad 12 be then placed on lightly on the summit of protruding 30, be configured to parallel with the surface of distance piece with on the crowning (Vorsprungsflaeche) becoming plane.
As set forth it relatively with Fig. 8 and 9, device 10 can be provided with diaphragm pad 12 and operate, and as carrying out according to spiral membrane module described before or winding membrane module setting forth, this is applicable to ordinary circumstance.
Method of the present invention is such as achieved as follows when using set forth in the present invention device 10:
Flow media 11 is separated by diaphragm 13, wherein device 10 has housing 14 that substantially seal, that be provided with a large amount of diaphragms 13 in it, and this device comprises at least one introduces entrance 15 in described device for the flow media 11 that need be separated, with at least one outlet 13 for penetrant 11 is drawn from described device, and the outlet 17 of retentate for drawing.According to the type structure diaphragm 13 of diaphragm pad, these diaphragm spacers have the open area 131 for discharging the penetrant 18 accumulated in diaphragm inner chamber 137.This method is so implemented and device 10 is formed as follows: according to the flow media 11 that need be separated, the diaphragm pad of each several part quantity formed in the quantity of the diaphragm pad 13 of diaphragm bundle 12 is configured to different separating ranges.
This method and described device 10 are formed as follows: for the different separating ranges of the diaphragm 13 of diaphragm bundle 12, this method and device utilize respectively can be pre-determined, different, the pressure operated acted on the flow media 11 that need be separated.But also respectively different, pre-determined vacuum can be applied to the medium that need be separated such as, in per-meate side for different separating ranges this method and device.
Reference numerals list
10 devices
110 separative elements
11 flow medias
12 diaphragm bundles
13 diaphragm/membrane sheet pads
The end of 130 diaphragm pads
131 infiltration outlets
132 end faces
133 diaphragm elements
134 diaphragm elements
135 intermediary element
136 regions
137 diaphragm inner chambers
138 edges
The thickness of 139 intermediary element
14 housings
15 entrances
16 penetrant outlets
17 penetrant outlets
18 penetrants
19 retentates
20 spirals (first)
21 infiltrations are discharged and gathering-device
210 infiltration entrances (infiltration is discharged and gathering-device)
22 spirals (second)
23 distance pieces
230 bar-shaped first grating elements
231 bar-shaped second grating elements
The thickness of 232 distance pieces
24 excircles (spiral)
25 shutoff elements
26 shutoff elements
27 tube elements
270 endoporus
271 radial holes
28 surfaces
29 surfaces
30 is protruding
The height of 31 projections
32 edges
33 edges
The height at 34 edges.
Claims (17)
1., by a method for membrane filtration and separated flow medium, it comprises: the housing substantially sealed, in this housing, be provided with a large amount of diaphragms; At least one is incorporated into the entrance in device for the flow media that need be separated; With at least one outlet for penetrant and retentate are drawn in device, wherein according to the type structure diaphragm of diaphragm pad, these diaphragm spacers have the open area for discharging the penetrant accumulated in diaphragm inner chamber, it is characterized in that: intrafascicular at described diaphragm, the diaphragm of the various piece quantity in the diaphragm quantity of different separating ranges utilizes the pressure pre-determined, different respectively of the medium that need be separated to carry out work.
2. method according to claim 1, is characterized in that: can the diaphragm of pre-determined partial amt utilize the different pressure of the medium that need be separated to carry out work in the diaphragm quantity of diaphragm bundle.
3., by a method for membrane filtration and separated flow medium, it comprises: the housing substantially sealed, in this housing, be provided with a large amount of diaphragms; At least one is for the entrance in the flow media introducing device that need be separated; With at least one for penetrant and retentate are drawn in device outlet, wherein according to the type structure diaphragm of diaphragm pad, these diaphragm spacers have the open area for discharging the penetrant accumulated in diaphragm inner chamber, it is characterized in that: intrafascicular at described diaphragm, the diaphragm of the various piece quantity in the diaphragm quantity of different separating ranges utilizes the vacuum pre-determined, different respectively in the per-meate side of the medium that need be separated to carry out work.
4. method according to claim 3, is characterized in that: according to the medium that need be separated to the diaphragm of pre-determined partial amt applying the vacuum of different height in the diaphragm quantity of diaphragm bundle.
5. according to described method any one or more in Claims 1-4, it is characterized in that: in view of the medium that need be separated, at least diaphragm of pre-determined Part I quantity can be applied in and at least the diaphragm of pre-determined Part II quantity can be applied in different pressure in the vacuum of different height and diaphragm quantity in the diaphragm quantity of diaphragm bundle.
6. one kind is filtered and the device (10) of separated flow medium (11) by diaphragm (13), and it comprises: the housing (14) substantially sealed, and is provided with a large amount of diaphragms (13) in this housing; At least one is for the entrance (15) in flow media (11) introducing device (10) that need be separated; With at least one for by penetrant (18) from the outlet (16) of drawing in device (10) and an outlet (17) for retentate (19) is drawn, wherein according to the type structure diaphragm (13) of diaphragm pad, these diaphragm spacers have the open area (131) for discharging the penetrant (18) accumulated in diaphragm inner chamber (137), it is characterized in that: the diaphragm construction that will form each several part quantity in the quantity of the diaphragm (13) of diaphragm bundle (12) in view of the flow media that need be separated (11) is used for different separating ranges.
7. device according to claim 6, is characterized in that: diaphragm bundle (12) is configured to the pattern of multi-layer helical (20).
8. the device according to any one in claim 6 or 7 or two, is characterized in that: be provided with at least one intermediary element (135) in the inner chamber (137) of the diaphragm pad (13) between the selectable diaphragm element of material (133,134).
9. device according to claim 8, is characterized in that: the intermediary element (135) being configured to plane substantially has the different thickness (139) can selected according to the separating ranges of diaphragm pad (13).
10. according to described device any one or more in claim 6 to 9, it is characterized in that: between the diaphragm pad (13) forming diaphragm bundle (12), be provided with distance piece (23), the flow media that need be separated (11) can flow through these distance pieces substantially unimpededly.
11. devices according to claim 10, is characterized in that: the different thickness (232) that the separating ranges that the distance piece (23) being configured to plane substantially has the diaphragm pad that can adjoin according at least both sides is selected.
12. according to described device any one or more in claim 6 to 11, it is characterized in that: the diaphragm pad (13) forming diaphragm bundle (12) carries out overlap wrapping according to the pattern of spiral (22) as follows round the infiltration discharge and gathering-device (21) of traversing device (10), namely the open area (136) of described diaphragm pad (13) to be discharged and the corresponding infiltration outlet (210) of gathering-device (21) keeps being connected with described infiltration.
13. devices according to claim 12, is characterized in that: the diaphragm bundle (12) being configured to the pattern of spiral (27) is wrapped on independent tube elements (27), are wherein accommodated with infiltration within it in hole (270) and discharge and gathering-device (21).
14., according to described device any one or more in claim 6,8 to 11, is characterized in that: diaphragm bundle (12) is made up of a large amount of distance piece (23) that be alternately stacked up, that be configured to plate-like and diaphragm pad (13).
15. devices according to claim 14, is characterized in that: be provided with at least one surface (28,29) and a large amount of surmount the projection (30) of swelling on described surface (28,29).
16. devices according to claim 15, is characterized in that: functional thickness (232) of distance piece (23) is defined by the height (31) of protruding (30).
17. according to claim 14 to described device any one or more in 16, it is characterized in that: distance piece (23) have at least one external rings around, respectively from surface (28,29) edge (32 swelled, 33), functional thickness (232) of wherein said distance piece (23) is defined by the thickness (34) of described edge (32,33).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810456271.6A CN108671754B (en) | 2013-11-11 | 2013-11-11 | Method and device for filtering and separating a flowing medium by means of a membrane |
| CN201310557137.2A CN104624051B (en) | 2013-11-11 | 2013-11-11 | By the method and apparatus of membrane filtration and separation flow media |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310557137.2A CN104624051B (en) | 2013-11-11 | 2013-11-11 | By the method and apparatus of membrane filtration and separation flow media |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810456271.6A Division CN108671754B (en) | 2013-11-11 | 2013-11-11 | Method and device for filtering and separating a flowing medium by means of a membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104624051A true CN104624051A (en) | 2015-05-20 |
| CN104624051B CN104624051B (en) | 2018-08-03 |
Family
ID=53203576
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310557137.2A Active CN104624051B (en) | 2013-11-11 | 2013-11-11 | By the method and apparatus of membrane filtration and separation flow media |
| CN201810456271.6A Active CN108671754B (en) | 2013-11-11 | 2013-11-11 | Method and device for filtering and separating a flowing medium by means of a membrane |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810456271.6A Active CN108671754B (en) | 2013-11-11 | 2013-11-11 | Method and device for filtering and separating a flowing medium by means of a membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104624051B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624051B (en) * | 2013-11-11 | 2018-08-03 | Rts雷歇姆技术服务有限责任公司 | By the method and apparatus of membrane filtration and separation flow media |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60166005A (en) * | 1984-02-08 | 1985-08-29 | Hitachi Ltd | Fluid separating membrane module |
| DE3715183A1 (en) * | 1987-05-07 | 1988-11-17 | Juergen Mohn | DISTANCE ELEMENT FOR GUIDING FLOW MEDIA |
| US5096584A (en) * | 1990-01-29 | 1992-03-17 | The Dow Chemical Company | Spiral-wound membrane separation device with feed and permeate/sweep fluid flow control |
| US6656362B1 (en) * | 1998-06-18 | 2003-12-02 | Toray Industries, Inc. | Spiral reverse osmosis membrane element, reverse osmosis membrane module using it, device and method for reverse osmosis separation incorporating the module |
| WO2002043841A2 (en) * | 2000-12-01 | 2002-06-06 | Millipore Corporation | Chemical process system with multi-functional barrier filter |
| JP4070002B2 (en) * | 2002-03-22 | 2008-04-02 | 日東電工株式会社 | Spiral type membrane element and manufacturing method thereof |
| DE50305169D1 (en) * | 2003-02-07 | 2006-11-09 | Rochem Ro Wasserbehandlung Gmbh | Device for filtering and separating flow media |
| CN104624051B (en) * | 2013-11-11 | 2018-08-03 | Rts雷歇姆技术服务有限责任公司 | By the method and apparatus of membrane filtration and separation flow media |
-
2013
- 2013-11-11 CN CN201310557137.2A patent/CN104624051B/en active Active
- 2013-11-11 CN CN201810456271.6A patent/CN108671754B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108671754A (en) | 2018-10-19 |
| CN104624051B (en) | 2018-08-03 |
| CN108671754B (en) | 2021-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7410581B2 (en) | Branched flow filtration and system | |
| KR101655489B1 (en) | Central core element for a spirally wound separator assembly | |
| US8529762B2 (en) | Spiral wound membrane element product water tube with external flow grooves | |
| AU2005216977B2 (en) | Apparatus for treating solutions of high osmotic strength | |
| US8236177B1 (en) | Spiral wound filter | |
| KR20110074539A (en) | Spirally wound membrane separator assembly | |
| CN105916572B (en) | For the just porous outlet and the positive infiltration including it or pressure retarded osmosis module of infiltration or pressure retarded osmosis | |
| CN102105211B (en) | Filtration system having fluid couplings | |
| EP3283197B1 (en) | Filtration assembly including spiral wound bioreactors and membrane modules positioned in separate pressure vessels | |
| US3494465A (en) | Selectively permeable membrane separation apparatus | |
| CN107531526B (en) | Filtration assembly comprising a spiral wound bioreactor and an ultrafiltration membrane module | |
| CA2142761A1 (en) | Apparatus for filtering and separating fluids by filter elements of the type of membrane cushions | |
| CN109562328B (en) | Flat hollow fiber membrane module and membrane separation unit | |
| CN104624051A (en) | Method and device for filtration and separation of flowing feeds by means of diaphragms | |
| RU2481884C2 (en) | Device for fluid treatment and method of its fabrication | |
| JP2022543640A (en) | Preferred flow paths for spiral-wound elements | |
| US9675936B2 (en) | Hollow fiber membrane module | |
| RU2639907C2 (en) | Method and device for filtration and separation of fluids via membranes | |
| CA2832657C (en) | Method and apparatus for filtering and separating flow media by means of membranes | |
| JP7302973B2 (en) | SPIRAL MEMBRANE ELEMENT AND MANUFACTURING METHOD THEREOF | |
| CN213942696U (en) | Open binary channels reverse osmosis membrane subassembly | |
| JP7158254B2 (en) | How to purify tap water | |
| KR20170122034A (en) | reverse osmosis module | |
| US10518224B2 (en) | Method and apparatus for filtering and separating flow media by means of membranes | |
| JP2001509069A (en) | Winding module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 11 stenzelin 21107 Hamburg, Germany Patentee after: R.T.S. ROCHEM TECHNICAL SERVICES GmbH Address before: hamburg Patentee before: R.T.S. ROCHEM TECHNICAL SERVICES GmbH |
|
| CP02 | Change in the address of a patent holder |