CN206103722U - Reverse osmosis membrane element and filter element - Google Patents
Reverse osmosis membrane element and filter element Download PDFInfo
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- CN206103722U CN206103722U CN201621067800.6U CN201621067800U CN206103722U CN 206103722 U CN206103722 U CN 206103722U CN 201621067800 U CN201621067800 U CN 201621067800U CN 206103722 U CN206103722 U CN 206103722U
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- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 148
- 239000012528 membrane Substances 0.000 title claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 147
- 239000002351 wastewater Substances 0.000 claims abstract description 40
- 239000010410 layer Substances 0.000 claims abstract description 37
- 239000003292 glue Substances 0.000 claims abstract description 7
- 239000002699 waste material Substances 0.000 claims description 62
- 239000000565 sealant Substances 0.000 claims description 30
- 230000002787 reinforcement Effects 0.000 claims description 16
- 230000008595 infiltration Effects 0.000 claims description 7
- 238000001764 infiltration Methods 0.000 claims description 7
- 239000011229 interlayer Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 10
- 238000011084 recovery Methods 0.000 abstract 1
- 239000012945 sealing adhesive Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 230000004907 flux Effects 0.000 description 6
- 230000004044 response Effects 0.000 description 5
- 239000003351 stiffener Substances 0.000 description 5
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003204 osmotic effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- -1 runner narrows Substances 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model discloses a reverse osmosis membrane element and filter core, wherein, reverse osmosis membrane element includes: the device comprises a central pipe group, a plurality of reverse osmosis membrane groups and two sealing adhesive layers, wherein the central pipe group comprises a pure water pipe and a plurality of waste water pipes which are arranged at intervals, and the plurality of waste water pipes are distributed around the pure water pipe; each RO membrane set has a first part located inside the central tube set and a second part located outside the central tube set, and each waste water pipe and the pure water pipe are separated by the first part of one RO membrane set; a second portion of the plurality of reverse osmosis membrane modules forming a multi-layer membrane module surrounding the central tube bank; the two sealing glue layers are respectively arranged at two ends of the multiple reverse osmosis membrane groups in the length direction of the central tube group and are adhered to the multiple reverse osmosis membrane groups. The utility model discloses technical scheme can improve the raw water rate of recovery.
Description
Technical field
This utility model is related to reverse osmosis purified water technical field, more particularly to a kind of reverse-osmosis membrane element and filter element.
Background technology
Reverse-osmosis membrane element, also known as coiled reverse osmosis membrane element, is the common component in water technology, and it is generally comprised
The alternately laminated multilamellar reverse osmosis of a piece central canal with multiple holes and volume on central canal selects film and flow-guiding screen.Central canal
It is connected by adapter with housing two ends.When in use, raw water enters housing from shell one end, under the effect of the pressure a part
The relatively low water of concentration is formed through the effect of reverse osmosis membrane, is flowed out from central canal one or both ends into after central canal, this portion
Water is divided referred to as to produce water or pure water；Another part flows out from the housing other end, can be referred to as waste water, concentrated water.
This reverse-osmosis membrane element of the prior art, after the process of raw water Jing, greatly discharges, only as waste water
There is sub-fraction to become pure water, the reverse-osmosis membrane element of particularly big flux, the ratio that pure water amount is accounted in raw water amount is relatively more
Little, the raw water response rate is low, causes the waste of raw water.
Utility model content
Main purpose of the present utility model is to provide a kind of reverse-osmosis membrane element, it is intended to improve the raw water response rate, saves former
Water.
For achieving the above object, the utility model proposes reverse-osmosis membrane element, including：Central canal group, multipage reverse osmosiss
Diaphragm group and two sealant layers, the central canal group includes the waste pipe of DI and multiple spaced settings, multiple
The waste pipe is arranged around the DI；Each described reverse osmosiss diaphragm group is respectively provided with inside the central canal group
Part I and the Part II outside the central canal group, each waste pipe and the DI are by an institute
The Part I for stating reverse osmosiss diaphragm group separates；The Part II of multiple reverse osmosiss diaphragm groups is formed and is centered around the center
Plural layers component around pipe group；Two sealant layers are respectively arranged at the multipage reverse osmosiss diaphragm group described
The two ends of central canal group length direction, and it is bonding with the multipage reverse osmosiss diaphragm group.
Preferably, the thickness of the sealant layer is 1-2mm.
Preferably, the sealant layer is coated by AB glue and formed.
Preferably, the reverse-osmosis membrane element also includes the first end cap and the second end cap, first end cap and the second end
Lid is sheathed on respectively the two ends of the central canal group and the multipage reverse osmosiss diaphragm group, and respectively with the corresponding fluid sealant
Layer is adhesively fixed；Wherein, the first end is covered with waste water discharge opening and pure water outlet；Or, the first end is covered with
Waste water discharge opening, second end cap is provided with pure water outlet；The waste pipe connects the waste water discharge opening and arranges, described pure
Water pipe connects the pure water outlet and arranges.
Preferably, the waste water discharge opening and the pure water outlet may be contained within the first end lid.
Preferably, described in the position of the inner side correspondence waste pipe of first end cap is convexly equipped with multiple connection with quantity
The first of waste water discharge opening stretches into pipe, and described first stretches into pipe stretches in the corresponding waste pipe, and connects the waste water
Outlet and the corresponding waste pipe；The position male of the inner side correspondence DI of first end cap is communicated with described
The second of pure water outlet stretches into pipe, and described second stretches into pipe stretches in the DI, and connects the pure water outlet
With the DI.
Preferably, the position of the inner side correspondence waste pipe of second end cap and quantity are convexly equipped with multiple first positioning
Projection, first positioning convex is stretched in the corresponding waste pipe and arranged；The inner side correspondence of second end cap is described
The position of DI is convexly equipped with the second positioning convex, and second positioning convex is stretched in the DI and arranged.
Preferably, it is convexly equipped with the end face of the sealant layer bonding of first end cap or/and second end cap
Reinforcement structure.
Preferably, the reinforcement structure includes circumferentially arranged ring stiffener and the bar shaped reinforcement being disposed radially
Muscle.
Preferably, each described reverse osmosiss diaphragm group includes reverse osmosiss diaphragm, water inlet flow-guiding screen and pure water flow-guiding screen；
The inside doubling in reverse osmosiss diaphragm front of each reverse osmosiss diaphragm group is arranged, and the second of multiple reverse osmosiss diaphragm groups
Part overlapping simultaneously circumferentially winds the central canal group jointly；Feed water flow is formed between the same reverse osmosiss diaphragm front interlayer
Road；Formed between the reverse side interlayer of the two neighboring reverse osmosiss diaphragm and produce water flow passage；The water inlet flow-guiding screen and the waste water
Pipe is located in water inlet flow channel, and the pure water flow-guiding screen is located at and produces in water flow passage.
This utility model also proposes a kind of filter element, and the filter element includes housing, waterway converter and reverse-osmosis membrane element；It is described
Reverse-osmosis membrane element includes central canal group, multipage reverse osmosiss diaphragm group and two sealant layers, and the central canal group includes pure water
Pipe and the waste pipe of multiple spaced settings, multiple waste pipes are arranged around the DI；Each is described anti-
Infiltration diaphragm group is respectively provided with the Part I inside the central canal group and second outside the central canal group
Divide, each waste pipe and the DI are separated by the Part I of a reverse osmosiss diaphragm group；It is multiple described anti-
The Part II of infiltration diaphragm group forms the plural layers component being centered around around the central canal group；Two fluid sealants
Layer be respectively arranged at the multipage reverse osmosiss diaphragm group at the two ends of the central canal group length direction, and with the multipage reverse osmosis
Permeable membrane piece group is bonding；The reverse-osmosis membrane element is placed in the housing；The waterway converter be provided with two it is independent
Water route, wherein a water route is connected with multiple waste pipes, another water route is connected with the DI.
The central canal group of the reverse-osmosis membrane element of technical solutions of the utility model includes DI and multiple circular DIs
Waste pipe；Each waste pipe correspondence one page reverse osmosiss diaphragm group of reverse-osmosis membrane element, such that it is able to realize that multimembrane page is batched,
Runner quantity can be increased, being conducive to improving raw water flux, and solve the long osmotic pressure deficiency of reverse osmosiss diaphragm causes part
Reverse osmosiss diaphragm does not reach the problem for filtering purpose；The two of reverse osmosiss diaphragm group are sealed respectively by two sealant layers
End, prevents water from flowing out from the two ends of reverse osmosiss diaphragm group or flowing into, and can form multipage reverse osmosiss diaphragm group outer side edges effluent and enter
Water, middle waste pipe discharges the raw water water route of waste water；When reverse-osmosis membrane element of the present utility model is used, raw water is entered by effluent
Water, runner narrows, and water inlet area reduces, and can continue to subtract with the water inlet flow-guiding screen in reverse osmosiss diaphragm group using low thickness
Intake less area, and flow process also increases significantly, therefore the time of raw water and reverse osmosiss film contact can be increased, improve raw water and return
Yield；Meanwhile, because reducing raw water water inlet area, the infiltration membrane surface water flow velocity of anti-reverse osmosiss diaphragm group can be increased
Degree, it is thus possible to reduce reverse osmosiss membrane surface concentration polarization, reduce the pollution speed of the reverse-osmosis membrane element, is conducive to improving
The raw water response rate, so as to improve the waste problem of raw water.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of this utility model reverse-osmosis membrane element one；
Fig. 2 is sectional view of the reverse-osmosis membrane element along A-A ' shown in Fig. 1；
Fig. 3 is the structural representation of the central canal group of reverse-osmosis membrane element shown in Fig. 1；
Fig. 4 is the structural representation of another embodiment of this utility model reverse-osmosis membrane element；
Fig. 5 is sectional view of the reverse-osmosis membrane element along B-B ' shown in Fig. 4；
Fig. 6 is the partial enlarged drawing in Fig. 5 at C；
Fig. 7 is the partial enlarged drawing in Fig. 5 at D；
Fig. 8 is the structural representation of the first end cap of reverse-osmosis membrane element shown in Fig. 4；
Fig. 9 is the decomposition texture schematic diagram of the embodiment of this utility model filter element one.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Central canal group | 200 | Reverse osmosiss diaphragm group |
| 300 | Sealant layer | 400 | First end cap |
| 500 | Second end cap | 110 | DI |
| 120 | Waste pipe | 121 | Waste water blasthole |
| 410 | First stretches into pipe | 420 | Second stretches into pipe |
| 510 | First positioning convex | 520 | Second positioning convex |
| 430 | Reinforcement structure | 431 | Ring stiffener |
| 432 | Bar shaped reinforcement | 700 or 700 ' | Reverse-osmosis membrane element |
| 800 | Housing | 900 | Waterway converter |
| 810 | Body | 820 | Lid |
The realization of this utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of this utility model protection.
If it is to be appreciated that relate in this utility model embodiment directivity indicate (such as upper and lower, left and right, it is front,
Afterwards ...), then directionality indicates to be only used for explaining relative between each part under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality indicates also correspondingly to change therewith.
If in addition, relate to the description of " first ", " second " etc. in this utility model embodiment, should " first ", " the
Two " description etc. is only used for describing purpose, and it is not intended that indicating or implying its relative importance or implicit indicate indication
The quantity of the technical characteristic for showing.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, when the combination appearance of technical scheme is conflicting or cannot realize it will be understood that this technical side
The combination of case is not present, also not within the protection domain that this utility model is required.
The utility model proposes a kind of reverse-osmosis membrane element.
Refer to Fig. 1 to Fig. 3, in this utility model embodiment, the reverse-osmosis membrane element 700 include central canal group 100,
Multipage reverse osmosiss diaphragm group 200 and two sealant layers 300, the central canal group 100 include DI 110 and it is multiple mutually
Spaced waste pipe 120, multiple waste pipes 120 are arranged around the DI 110；Each described reverse osmosis membrane
Piece group 200 is respectively provided with the Part I inside the central canal group 100 and outside the central canal group 100 second
Part, each waste pipe 120 and the DI 110 are separated by the Part I of a reverse osmosiss diaphragm group 200；
The Part II of multiple reverse osmosiss diaphragm groups 200 forms the plural layers group being centered around around the central canal group 100
Part；Two sealant layers 300 are respectively arranged at the multipage reverse osmosiss diaphragm group 200 in the length of central canal group 100
The two ends in direction, and it is bonding with the multipage reverse osmosiss diaphragm group 200.
The central canal group 100 of the reverse-osmosis membrane element 700 of technical solutions of the utility model includes DI 110 and multiple rings
Around the waste pipe 120 of DI 110；The corresponding one page reverse osmosiss diaphragm group 200 of each waste pipe 120 of reverse-osmosis membrane element 700,
Such that it is able to realize that multimembrane page is batched, runner quantity can be increased, be conducive to improving raw water flux, and solve reverse osmosiss diaphragm mistake
Long osmotic pressure deficiency causes reverse osmosiss diaphragm in part not reach the problem for filtering purpose；By two sealant layers
300 two ends for sealing reverse osmosiss diaphragm group 200 respectively (it should be noted that sealant layer 300 can not block DI 110 or
The inside bore of waste pipe 120), prevent water from flowing out from the two ends of reverse osmosiss diaphragm group 200 or flowing into, multipage reverse osmosis can be formed
The outer side edges effluent of permeable membrane piece group 200 is intake, and middle waste pipe 120 discharges the raw water water route of waste water；Reverse osmosiss of the present utility model
When membrane component 700 is used, raw water is intake by effluent, and runner narrows, and water inlet area reduces, can be with reverse osmosiss diaphragm group
Using the water inlet flow-guiding screen of low thickness in 200, continue to reduce water inlet area, and flow process also increases significantly, therefore original can be increased
Water and the time of reverse osmosiss film contact, improve the raw water response rate；Meanwhile, because reducing raw water water inlet area, can increase
Anti- reverse osmosiss diaphragm group 200 infiltration membrane surface water velocity (enter water flux it is certain when, enter water flux Q and water velocity V
Between relation be V=Q/S；Wherein, S is water inlet area, specifically, S=Ld；L is water inlet end diaphragm length, and d is that section is thick
Degree, effluent mainly reduces L, reduces thickness d naturally with little water inlet flow-guiding screen in addition), it is thus possible to reduce reverse osmosiss
Membrane surface concentration polarization, reduces the pollution speed of the reverse-osmosis membrane element 700, is conducive to improving the raw water response rate, so as to change
The waste problem of kind raw water, reaches the effect for saving raw water.
Wherein, Fig. 3 is referred to, in the central canal group 100, connection is offered on the perisporium of the DI 110 described pure
The pure water blasthole (not shown) of the inner passage of water pipe 110；Connection is offered on the perisporium of each waste pipe 120 described
The waste water blasthole 121 of the inner passage of waste pipe 120.Pure water and waste water are respectively by pure water blasthole and waste water blasthole
121 enter in corresponding passage.Wherein, the particular number of waste pipe 120 determines the number of pages of reverse osmosiss diaphragm group 200, also determines
The size of DI 110 is determined, specifically, one waste pipe 120 of correspondence of one page reverse osmosiss diaphragm group 200 is arranged, waste pipe 120
The number of pages of more at most reverse osmosiss diaphragm group 200 is more, and the flux of corresponding reverse-osmosis membrane element 700 is also bigger, and DI 110
Size it is also corresponding bigger.The shape of the particular number, shape and correspondence DI 110 of waste pipe 120 is referred to this reality
With new specific embodiment, and arranged according to practical situation.
Each described reverse osmosiss diaphragm group 200 include reverse osmosiss diaphragm (not shown), water inlet flow-guiding screen (not shown) with
And pure water flow-guiding screen (not shown)；Water inlet flow-guiding screen and pure water flow-guiding screen can be separately positioned on the positive and negative of the reverse osmosiss diaphragm
Two sides, raw water flows in the front of reverse osmosiss diaphragm, and in the presence of osmotic pressure, from reverse osmosiss diaphragm just towards reverse osmosis
The reverse side infiltration pure water of permeable membrane piece, pure water produces the reverse side in reverse osmosiss diaphragm and under the guide functions of pure water flow-guiding screen to pure
Water pipe 110 flows.Wherein, reverse osmosiss diaphragm can cause front to adjoin with front by doubling, and reverse side is adjoined with reverse side, it is to avoid
Unnecessary contact, so as to prevent pure water to be contaminated；Can be just inward-facing right during the doubling of reverse osmosiss diaphragm during practical operation
Folding can also be the inside doubling of reverse side, and according to practical situation Rational choice is carried out.In the present embodiment, each is described anti-
The inside doubling in reverse osmosiss diaphragm front of infiltration diaphragm group 200 is arranged, and the Part II of multiple reverse osmosiss diaphragm groups 200 is folded
Merging circumferentially winds the central canal group 100 jointly；Water inlet flow channel is formed between the same reverse osmosiss diaphragm front interlayer；
Formed between the reverse side interlayer of the two neighboring reverse osmosiss diaphragm and produce water flow passage；The water inlet flow-guiding screen and the waste pipe
120 are located in water inlet flow channel, and the pure water flow-guiding screen is located at and produces in water flow passage.Now, phase between water inlet flow channel and product water flow passage
It is mutually independent, and thoroughly isolate, can effectively ensure that the water inlet flow-guiding screen of each reverse osmosiss diaphragm group 200 not with it is described
The reverse side contact of the reverse osmosiss diaphragm of DI 110 and other reverse osmosiss diaphragm groups 200；Each described reverse osmosis membrane
The pure water flow-guiding screen of piece group 200 not with the reverse osmosiss diaphragm of the waste pipe 120 and other reverse osmosiss diaphragm groups 200
Front face；Raw water only flows in water inlet flow channel and is finally discharged by waste pipe 120, and only flowing is last in water flow passage is produced for pure water
Discharged by DI 110, so as to avoid pure water from polluting, it is ensured that clean-up effect.In order to smoothly derive pure water, in this reality
In applying example, other sides equal closing seam of the product water flow passage in addition near the side of the DI 110 can be set,
So that only there is the water flow passage of producing the pure water towards the DI 110 to export；Now produce water flow passage and form three sides
The film bag of a side opening is sealed, film bag mouth can only flow against DI 110, the pure water limited in film bag towards DI 110；It is former
Water produces pure water after the effect of reverse osmosiss diaphragm, and pure water is formed in film bag and flow to bag mouth and enters in DI 110.It is real
When border operates, realization sealing is carried out when can operate by wound membrane, while the sealing station at two ends can also be using two sealings
Glue-line 300 carries out second sealing, and then realizes better seal effect.
The Main Function of sealant layer 300 is exactly to carry out secondary seal to film bag two ends, it is to avoid water is from reverse-osmosis membrane element
700 length direction two ends enter reverse osmosiss diaphragm group 200, for this purpose, the thickness of the sealant layer 300 can not be too thin, at this
In embodiment, preferably the thickness of the sealant layer 300 is 1-2mm, can now reach preferable sealing effectiveness, will not be made again
Into unnecessary waste.Sealant layer 300 is coated by marine glue and formed, and marine glue can be in prepared by reverse-osmosis membrane element 700
Conventional AB glue；Wherein the main component for playing adhesive seal of AB glue include epoxy resin, acrylic modified epoxy resin or
At least one in polyurethane, it can reach good bonding effect and waterproof effect.
In order to preferably be positioned to reverse osmosiss diaphragm group 200 and central canal group 100, Fig. 4 and Fig. 5 is referred to, at this
In another embodiment of utility model, the reverse-osmosis membrane element 700 ' also includes the first end cap 400 and the second end cap 500, described
First end cap 400 and the second end cap 500 are sheathed on respectively the central canal group 100 and the multipage reverse osmosiss diaphragm group 200
Two ends, and be adhesively fixed with the corresponding sealant layer 300 respectively；Wherein, first end cap 400 is provided with waste water discharge opening
With pure water outlet；Or, first end cap 400 is provided with waste water discharge opening, and second end cap 500 is provided with pure water discharge
Mouthful；The waste pipe 120 connects the waste water discharge opening and arranges, and the DI 110 connects the pure water outlet and arranges.It is logical
Cross the first end cap 400 and the second end cap 500 clamps respectively the two ends of central canal group 100 and reverse osmosiss diaphragm group 200 to carry out determining
Position, while arranging pure water outlet and waste water discharge opening on the end cap 500 of the first end cap 400/ second, forms and central canal group
The runner of 100 correspondence pipeline connections, facilitates the collection and discharge of current.The waste water discharge opening and the pure water outlet set
Seated position can be arranged as required on the first end cap 400 or the second end cap 500, in the present embodiment, for the ease of water route
Setting.Further referring to Fig. 5 to Fig. 7, in the present embodiment, in order to simplify water route, the second end cap 500 is not arranged out
The mouth of a river, the waste water discharge opening and the pure water outlet may be contained within first end cap 400, and the second end cap 500 is with
When the sealing of heart pipe group 100 coordinates, waste water will not flow to discharge towards the second end cap 500 in the pure water and waste pipe 120 in pure water,
But when the sealing effectiveness between the second end cap 500 and central canal is not good, pure water and waste water are also possible that to the second end cap
During 500 flowings are to be discharged to the housing of filter element, so as to affect purification efficiency；In order to avoid such case, in the present embodiment, institute
One end mouth of pipe away from first end cap 400 for stating DI 110 is blocked, so that pure water is to first end cap 400
Pure water outlet flowing；One end mouth of pipe away from first end cap 400 of the waste pipe 120 is blocked, so that useless
Water to first end cap 400 flows.Now, pure water flow direction is certain, can reliably collect pure water, after closure, waste water
Flow direction is certain, can reliably collect waste water.When actually used, reverse-osmosis membrane element 700 ' is usually vertically to place
, now, the corresponding DI 110 and multiple waste pipes 120 are also vertically put, and the first end cap 400 exists
Top, in lower section, the lower port for arranging the DI 110 is blocked the second end cap 500, under multiple waste pipes 120
Port is blocked, and from upper end pure water and waste water, uniform fluid flow are collected, and is easy to the design of pipeline.
Fig. 5 and Fig. 6 is referred to, in order to realize docking for waste pipe 120 and wastewater effluent mouth, first end cap 400
The position of the inner side correspondence waste pipe 120 and quantity be convexly equipped with it is multiple connect the first of the waste water discharge opening and stretch into pipe 410,
Described first stretches into pipe 410 stretches in the correspondence waste pipe 120 to connect the waste water discharge opening and the waste pipe 120；
Specifically, first one end for stretching into pipe 410 is stretched in waste pipe 120 and is connected with waste pipe 120, and first stretches into the another of pipe 410
End connection waste water discharge opening, reliably realizes the connection in water route, while first stretches into pipe 410 also with positioning function, can
The alignment of the first end cap 400 and central canal group 100 is aided in, the structural compactness and reliability of reverse-osmosis membrane element 700 ' is improved.
In order to realize docking for DI 110 and pure water outlet, the inner side correspondence DI 110 of first end cap 400
Position male is communicated with the second of the pure water outlet and stretches into pipe 420, and described second stretches into pipe 420 stretches into the DI
With the connection pure water outlet and the DI 110 in 110.Second effect for stretching into pipe 420 and effect can be with analogies
One stretches into pipe 410, will not be described here.
For convenience the second end cap 500 is installed；Fig. 5 and Fig. 7 is referred to, in the present embodiment, second end cap 500
The position of the inner side correspondence waste pipe 120 and quantity are convexly equipped with multiple first positioning convex 510, first positioning convex
510 stretch in the correspondence waste pipe 120；The position of the inner side correspondence DI 110 of second end cap 500 is convexly equipped with
Second positioning convex 520, second positioning convex 520 is stretched in the DI 110.By the first positioning convex 510 with
Waste pipe 120 coordinates, the second positioning convex 520 coordinates with DI 110, can simplify the alignment function of the second end cap 500, together
When central canal group 100 be connected by the first positioning convex 510 and the second positioning convex 520 with the second end cap 500, can be further
Improve the structural compactness and reliability of whole reverse-osmosis membrane element 700 '.
In order to the first end cap 400 or/and the second end cap 500 are bonded more closely with corresponding sealant layer 300, figure is referred to
8, in the present embodiment, the end face of the bonding of the sealant layer 300 of first end cap 400 or/and second end cap 500
On be convexly equipped with reinforcement structure 430.On the one hand reinforcement structure 430 strengthens the intensity of the first end cap 400 or/and the second end cap 500, separately
On the one hand, the contact area of the first end cap 400 or/and the second end cap 500 and corresponding sealant layer 300 is increased, while stretching into
In sealant layer 300, so as to improve bonding compactness, the first end cap 400 or/and the second end cap 500 and corresponding sealing are prevented
Glue-line 300 departs from.In the present embodiment, by taking the first end cap 400 as an example, the reinforcement structure 430 is included along first end cap 400
Circumferentially disposed ring stiffener 431 and the bar shaped reinforcement 432 being radially arranged along the first end cap 400.Ring stiffener 431
Quantity can be multiple, and multiple ring stiffeners 431 are arranged in concentric annular, and the quantity of bar shaped reinforcement 432 can also be many
Individual, the radial arrangement of multiple bar shaped reinforcements 432 carries out reinforcement radially and circumferentially going up to the first end cap 400, while increasing
The adhesion reliability of the first end cap 400 and corresponding sealant layer 300.
Fig. 9 is referred to, this utility model also proposes a kind of filter element, the filter element includes housing 800, the and of waterway converter 900
(film of the reverse-osmosis membrane element 700 ' in the present embodiment with the first end cap 400 and the second end cap 500 of reverse-osmosis membrane element 700 '
Element), concrete structure reference above-described embodiment of the reverse-osmosis membrane element 700 ', because this filter element employs above-mentioned all enforcements
Whole technical schemes of example, therefore all beneficial effects that the same technical scheme with above-described embodiment is brought, here is not
Repeat one by one again.Wherein, housing 800 includes body 810 and the lid 820 being covered on body 810, the reverse-osmosis membrane element
700 are placed in the housing 800；The waterway converter 900 is provided with two independent water routes, wherein water route with
Multiple waste pipes 120 are connected, and another water route is connected with the DI 110.
It should be noted that the technical scheme of each embodiment of the present utility model can be combined with each other, but must be
Basis can be implemented as with those skilled in the art, should when the combination appearance of technical scheme is conflicting or cannot realize
People thinks that the combination of this technical scheme is not present, also not within the protection domain that this utility model is required.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
The equivalent structure transformation that every utilization this utility model description and accompanying drawing content are made, or directly or indirectly it is used in other phases
The technical field of pass, is included in the same manner in scope of patent protection of the present utility model.
Claims (11)
1. a kind of reverse-osmosis membrane element, it is characterised in that include：
Central canal group, the central canal group includes the waste pipe of DI and multiple spaced settings, multiple waste water
Pipe ring is arranged around the DI；
Multipage reverse osmosiss diaphragm group, each described reverse osmosiss diaphragm group is respectively provided with first inside the central canal group
Divide and the Part II outside the central canal group, each waste pipe and the DI are by the reverse osmosiss
The Part I of diaphragm group separates；The Part II of multiple reverse osmosiss diaphragm groups forms the week for being centered around the central canal group
The plural layers component for enclosing；
Two sealant layers, two sealant layers are respectively arranged at the multipage reverse osmosiss diaphragm group in the central canal group
The two ends of length direction, and it is bonding with the multipage reverse osmosiss diaphragm group.
2. reverse-osmosis membrane element as claimed in claim 1, it is characterised in that the thickness of the sealant layer is 1-2mm.
3. reverse-osmosis membrane element as claimed in claim 1, it is characterised in that the sealant layer is coated by AB glue and formed.
4. reverse-osmosis membrane element as claimed in claim 1, it is characterised in that the reverse-osmosis membrane element also includes the first end cap
With the second end cap, first end cap and the second end cap are sheathed on respectively the central canal group and the multipage reverse osmosiss diaphragm group
Two ends, and be adhesively fixed with the corresponding sealant layer respectively；
Wherein, the first end is covered with waste water discharge opening and pure water outlet；Or, the first end is covered with waste water discharge
Mouthful, second end cap is provided with pure water outlet；The waste pipe connects the waste water discharge opening and arranges, the DI connection
The pure water outlet is arranged.
5. reverse-osmosis membrane element as claimed in claim 4, it is characterised in that the waste water discharge opening and the pure water outlet
May be contained within the first end lid.
6. reverse-osmosis membrane element as claimed in claim 5, it is characterised in that
The position of the inner side correspondence waste pipe of first end cap and quantity are convexly equipped with and multiple connect the waste water discharge opening
First stretch into pipe, described first stretches into pipe stretches in the corresponding waste pipe, and connects the waste water discharge opening and right
The waste pipe answered；
The position male of the inner side correspondence DI of first end cap is communicated with the second of the pure water outlet and stretches into
Pipe, described second stretches into pipe stretches in the DI, and connects the pure water outlet and the DI.
7. reverse-osmosis membrane element as claimed in claim 5, it is characterised in that
The position of the inner side correspondence waste pipe of second end cap and quantity are convexly equipped with multiple first positioning convex, and described the
Positioning protrusion is stretched in the corresponding waste pipe and arranged；
The position of the inner side correspondence DI of second end cap is convexly equipped with the second positioning convex, second positioning convex
Stretch in the DI and arrange.
8. reverse-osmosis membrane element as claimed in claim 4, it is characterised in that first end cap or/and second end cap
The sealant layer bonding end face on be convexly equipped with reinforcement structure.
9. reverse-osmosis membrane element as claimed in claim 8, it is characterised in that the reinforcement structure includes circumferentially arranged ring
Shape reinforcement and the bar shaped reinforcement being disposed radially.
10. reverse-osmosis membrane element as claimed in claim 1, it is characterised in that each described reverse osmosiss diaphragm group includes anti-
Infiltration diaphragm, water inlet flow-guiding screen and pure water flow-guiding screen；
The inside doubling in reverse osmosiss diaphragm front of each reverse osmosiss diaphragm group is arranged, multiple reverse osmosiss diaphragm groups
Part II overlapping simultaneously circumferentially winds the central canal group jointly；Formed between the same reverse osmosiss diaphragm front interlayer into
Water flow passage；Formed between the reverse side interlayer of the two neighboring reverse osmosiss diaphragm and produce water flow passage；The water inlet flow-guiding screen and described
Waste pipe is located in water inlet flow channel, and the pure water flow-guiding screen is located at and produces in water flow passage.
11. a kind of filter elements, it is characterised in that including housing, waterway converter and as any one of claim 1 to 10
Reverse-osmosis membrane element；The reverse-osmosis membrane element is placed in the housing；The waterway converter is provided with two independent water
Road, wherein a water route is connected with multiple waste pipes, another water route is connected with the DI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621067800.6U CN206103722U (en) | 2016-09-20 | 2016-09-20 | Reverse osmosis membrane element and filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621067800.6U CN206103722U (en) | 2016-09-20 | 2016-09-20 | Reverse osmosis membrane element and filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206103722U true CN206103722U (en) | 2017-04-19 |
Family
ID=58519202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621067800.6U Active CN206103722U (en) | 2016-09-20 | 2016-09-20 | Reverse osmosis membrane element and filter element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206103722U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237861A (en) * | 2016-09-20 | 2016-12-21 | 佛山市美的清湖净水设备有限公司 | Reverse osmosis membrane element, preparation method of reverse osmosis membrane element and filter element |
| CN110603088A (en) * | 2017-10-20 | 2019-12-20 | 株式会社Lg化学 | Feed spacer having three-layer structure and reverse osmosis membrane filtration module including the same |
-
2016
- 2016-09-20 CN CN201621067800.6U patent/CN206103722U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237861A (en) * | 2016-09-20 | 2016-12-21 | 佛山市美的清湖净水设备有限公司 | Reverse osmosis membrane element, preparation method of reverse osmosis membrane element and filter element |
| CN106237861B (en) * | 2016-09-20 | 2020-10-13 | 佛山市美的清湖净水设备有限公司 | Reverse osmosis membrane element, preparation method of reverse osmosis membrane element and filter element |
| CN110603088A (en) * | 2017-10-20 | 2019-12-20 | 株式会社Lg化学 | Feed spacer having three-layer structure and reverse osmosis membrane filtration module including the same |
| US11484841B2 (en) | 2017-10-20 | 2022-11-01 | Lg Chem, Ltd. | Feed spacer having three-layered structure, and reverse osmosis membrane filter module including same |
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