CN206103724U - Spiral wound type reverse osmosis membrane technology and reverse osmosis water purifier - Google Patents
Spiral wound type reverse osmosis membrane technology and reverse osmosis water purifier Download PDFInfo
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- CN206103724U CN206103724U CN201620956616.0U CN201620956616U CN206103724U CN 206103724 U CN206103724 U CN 206103724U CN 201620956616 U CN201620956616 U CN 201620956616U CN 206103724 U CN206103724 U CN 206103724U
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Abstract
The utility model discloses a spiral wound type reverse osmosis membrane technology and reverse osmosis water purifier, wherein, this spiral wound type reverse osmosis membrane technology includes: a plurality of reverse osmosis membrane pieces group and the central nest of tubes, the center nest of tubes includes pure water pipe and a plurality of mutual waste pipe that sets up that separates, and is a plurality of the waste pipe encircles pure water bank of tubes cloth, wherein, each the reverse osmosis membrane piece is organized all to have and is located the first portion of center tube inter block portion with be located the outside second portion of the center nest of tubes, each the waste pipe with the pure water pipe is by one the first portion of reverse osmosis membrane piece group separates, it is a plurality of the second portion of reverse osmosis membrane piece group forms and centers on multilayered film subassembly around the nest of tubes of center. The utility model discloses technical scheme can improve the raw water rate of recovery, realizes high water conservation.
Description
Technical field
This utility model is related to reverse osmosis purified water technical field, more particularly to a kind of spiral wound reverse-osmosis membrane element and anti-
Penetrating water purifier.
Background technology
Spiral wound reverse-osmosis membrane element, also known as coiled reverse osmosis membrane element, is the common component in water technology, it
Typically there is a cylindrical pressure vessel as housing, have a central canal with multiple holes inside which and roll up in
Alternately laminated multilamellar reverse osmosis on heart pipe selects film and flow-guiding screen.Central canal is connected by adapter with housing two ends.Using
When, raw water enters housing from shell one end, and to form concentration relatively low through the effect of reverse osmosis membrane for a part under the effect of the pressure
Water, flow out from central canal one or both ends into after central canal, this part water can referred to as produce water or pure water；Another part from
The housing other end flows out, and can be referred to as waste water, concentrated water.
This spiral wound reverse-osmosis membrane element of the prior art, after the process of raw water Jing, greatly as useless
Water is discharged, and only sub-fraction becomes pure water, the spiral wound reverse-osmosis membrane element of particularly big flux, and pure water amount is in raw water amount
In the ratio that accounts for it is relatively smaller, 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 spiral wound reverse-osmosis membrane element, it is intended to improve raw water recovery
Rate, realizes high water saving.
For achieving the above object, the utility model proposes spiral wound reverse-osmosis membrane element, including：
Multiple reverse osmosiss diaphragm groups, each described reverse osmosiss diaphragm group include reverse osmosiss diaphragm, water inlet flow-guiding screen and
Pure water flow-guiding screen, the water inlet flow-guiding screen and the pure water flow-guiding screen are separately positioned on the tow sides of the reverse osmosiss diaphragm；
Central canal group, the central canal group include the waste pipe of DI and multiple spaced settings, multiple described
Waste pipe is arranged around the DI；
Wherein, each described reverse osmosiss diaphragm group is respectively provided with the Part I inside the central canal group and is located at
Part II outside the central canal group, each waste pipe and the DI are by a reverse osmosiss diaphragm group
Part I separates；The Part II of multiple reverse osmosiss diaphragm groups forms the multilamellar being centered around around the central canal group
Film assembly；
Wherein, the water inlet flow-guiding screen of each reverse osmosiss diaphragm group not with the DI and other reverse osmosis
The reverse side contact of the reverse osmosiss diaphragm of permeable membrane piece group；
The pure water flow-guiding screen of each reverse osmosiss diaphragm group not with the waste pipe and other reverse osmosis membranes
The front face of the reverse osmosiss diaphragm of piece group.
Preferably, the inside doubling in the reverse osmosiss diaphragm front of each reverse osmosiss diaphragm group is arranged, multiple described anti-
The Part II overlapping of infiltration diaphragm group simultaneously circumferentially winds the central canal group jointly；The same reverse osmosiss diaphragm front folder
Water inlet flow channel is formed between layer；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 are located in water inlet flow channel, and the pure water flow-guiding screen is located at and produces in water flow passage.
Preferably, the equal closing seam in other sides for producing water flow passage in addition near the side of the DI, with
So that the water flow passage of producing only is exported with the pure water towards the DI.
Preferably, the pure water blasthole of the inner passage for connecting the DI is offered on the perisporium of the DI；
The waste water blasthole of the inner passage for connecting the waste pipe is offered on the perisporium of each waste pipe.
Preferably, the quantity of the waste pipe is two；The DI is flat tube, so that the DI has two
Individual side surface, is equipped with the pure water blasthole on each side surface；Each described one described side of waste pipe correspondence
The position on surface is arranged.
Preferably, multiple pure water blastholes are interval with each side surface, and multiple pure water enters
Arrange along the length direction of the DI in water hole；And/or, multiple waste water are interval with each waste pipe and are entered
Water hole, and multiple waste water blastholes are along the length direction arrangement of the waste pipe.
Preferably, the quantity of the waste pipe is N number of, and N is more than or equal to 3；The cross section of the DI is set in N sides shape
Put, and correspondence is equipped with the pure water blasthole with N number of side surface on each side surface；Each described waste pipe
The position of one side surface of correspondence is arranged.
Preferably, multiple pure water blastholes are interval with each side surface, and multiple pure water enters
Arrange along the length direction of the DI in water hole；And/or, multiple waste water are interval with each waste pipe and are entered
Water hole, and multiple waste water blastholes are along the length direction arrangement of the waste pipe.
Preferably, the circular in cross-section of the DI is arranged, and the perisporium of the DI is circumferentially corresponding multiple along which
The waste pipe is divided into multiple side plate bendings, and the pure water blasthole is equipped with each side plate bending；Each waste water
The position of pipe one side plate bending of correspondence is arranged.
Preferably, multiple pure water blastholes are interval with each side plate bending, and multiple pure water enters
Arrange along the length direction of the DI in water hole；And/or, multiple waste water are interval with each waste pipe enter water
Hole, and multiple waste water blastholes are along the length direction arrangement of the waste pipe.
Preferably, waste water guiding gutter is offered on the perisporium of the waste pipe, the waste water blasthole is located at the waste water
In guiding gutter.
Preferably, offer on the perisporium of the DI and open along the first resigning that the DI length direction extends
Mouthful.
Preferably, the first reinforcement is provided with the first resigning opening, the two ends of first reinforcement connect respectively
Different two side of the first resigning opening.
Preferably, offer on the perisporium of the waste pipe and open along the second resigning that the waste pipe length direction extends
Mouthful.
Preferably, the second reinforcement is provided with the second resigning opening, the two ends of second reinforcement connect respectively
Different two side of the second resigning opening.
Preferably, the DI and multiple waste pipe common combinations form cylindrical.
Preferably, the Single port of the DI is blocked, so that pure water flows to the another port of the DI；
And/or, the Single port of waste pipe described at least one is blocked, so that waste water flows to the another port of the waste pipe.
This utility model also proposes a kind of anti-penetration water purifier, and the anti-penetration water purifier includes spiral wound reverse osmosiss membrane element
Part；The spiral wound reverse-osmosis membrane element includes：Multiple reverse osmosiss diaphragm groups, each described reverse osmosiss diaphragm group include instead
Infiltration diaphragm, water inlet flow-guiding screen and pure water flow-guiding screen, the water inlet flow-guiding screen and the pure water flow-guiding screen are separately positioned on institute
State the tow sides of reverse osmosiss diaphragm；Central canal group, the central canal group include DI and multiple spaced settings
Waste pipe, multiple waste pipes are arranged around the DI；Wherein, each described reverse osmosiss diaphragm group is respectively provided with and is located at
Part I inside the central canal group and the Part II outside the central canal group, each waste pipe and institute
State DI to be separated by the Part I of a reverse osmosiss diaphragm group；The Part II shape of multiple reverse osmosiss diaphragm groups
Into the plural layers component being centered around around the central canal group；Wherein, the water inlet of each reverse osmosiss diaphragm group is led
Drift net is not contacted with the reverse side of the DI and the reverse osmosiss diaphragm of other reverse osmosiss diaphragm groups；Each is described anti-
The pure water flow-guiding screen of infiltration diaphragm group is with the reverse osmosiss diaphragm of the waste pipe and other reverse osmosiss diaphragm groups not just
Face contacts.
The central canal group of the spiral wound reverse-osmosis membrane element of technical solutions of the utility model includes DI and multiple rings
Around the waste pipe of DI；Each waste pipe correspondence one page reverse osmosiss diaphragm group of spiral wound reverse-osmosis membrane element, so as to can
To realize that multimembrane page is batched, runner quantity can be increased, be conducive to improving raw water flux, and it is not enough to solve the long osmotic pressure of diaphragm
Part diaphragm is caused not reach the problem for filtering purpose；Due to the central canal group by multipage reverse osmosiss diaphragm group wound on center
Position, therefore after those reverse osmosiss diaphragm group two ends are sealed, the water inlet of multipage reverse osmosiss diaphragm group outer side edges effluent can be formed,
Middle waste pipe discharges the raw water water route of waste water；When spiral wound reverse-osmosis membrane element of the present utility model is used, raw water passes through
Effluent is intake, and runner narrows, and water inlet area reduces, and can also adopt the water inlet flow-guiding screen of low thickness, continues to reduce water inlet area,
And flow process also increases significantly, therefore time of raw water and reverse osmosiss film contact can be increased, improve the raw water response rate；Meanwhile,
Because reducing raw water water inlet area, reverse osmosiss membrane surface water velocity can be increased, it is thus possible to reduce reverse osmosis membrane table
Face concentration polarization, reduces the pollution speed of the spiral wound reverse-osmosis membrane element, is conducive to improving the raw water response rate, so as to improve
The waste problem of raw water, realizes high water saving.
Description of the drawings
Top views of the Fig. 1 for one embodiment of this utility model spiral wound reverse-osmosis membrane element；
One page reverse osmosiss diaphragm group and a waste pipe and one of the Fig. 2 for spiral wound reverse-osmosis membrane element shown in Fig. 1
The top view that DI coordinates；
Structural representations of the Fig. 3 for the central canal group of spiral wound reverse-osmosis membrane element shown in Fig. 1；
Top views of the Fig. 4 for central canal group shown in Fig. 3；
Fig. 5 be central canal group shown in Fig. 4 in DI along A-A ' profile；
Fig. 6 be central canal group shown in Fig. 4 in waste pipe along B-B ' profile；
Structural representations of the Fig. 7 for the DI of spiral wound reverse-osmosis membrane element shown in Fig. 1；
Structural representations of the Fig. 8 for the waste pipe of spiral wound reverse-osmosis membrane element shown in Fig. 1；
Central canal group top views of the Fig. 9 for another embodiment of this utility model spiral wound reverse-osmosis membrane element；
Central canal group top views of the Figure 10 for the another embodiment of this utility model spiral wound reverse-osmosis membrane element.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Reverse osmosiss diaphragm group | 110 | Reverse osmosiss diaphragm |
| 120 | Water inlet flow-guiding screen | 130 | Pure water flow-guiding screen |
| 200 | Central canal group | 210 or 210 ' or 210 " | DI |
| 220 or 220 ' or 220 " | Waste pipe | 211 | Pure water blasthole |
| 221 | Waste water blasthole | 212 or 212 ' | Side surface |
| 213 | Side plate bending | 214 | First steps down is open |
| 215 | First reinforcement | 222 | Waste water guiding gutter |
| 223 | Second steps down is open | 224 | Second reinforcement |
The realization of this utility model purpose, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
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.
In addition, if the description of " first ", " second " etc. is related 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, define " first ", the feature of " second " can be expressed 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, will be understood that this technical side when the combination appearance of technical scheme is conflicting or cannot realize
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 spiral wound reverse-osmosis membrane element.
Fig. 1 and Fig. 2 is referred to, in this utility model embodiment, the spiral wound reverse-osmosis membrane element includes：It is multiple anti-
Infiltration diaphragm group 100 and central canal group 200, each described reverse osmosiss diaphragm group 100 include reverse osmosiss diaphragm 110, water inlet
Flow-guiding screen 120 and pure water flow-guiding screen 130, the water inlet flow-guiding screen 120 and the pure water flow-guiding screen 130 are separately positioned on described
The tow sides of reverse osmosiss diaphragm 110；The central canal group 200 includes the useless of DI 210 and multiple spaced settings
Water pipe 220, multiple waste pipes 220 are arranged around the DI 210；Wherein, each described reverse osmosiss diaphragm group 100
The Part I being respectively provided with inside the central canal group 200 and the Part II outside the central canal group 200, often
Waste pipe 220 described in one and the DI 210 are separated by the Part I of a reverse osmosiss diaphragm group 100；Multiple institutes
The Part II for stating reverse osmosiss diaphragm group 100 forms the plural layers component being centered around around the central canal group 200；Its
In, the water inlet flow-guiding screen 120 of each reverse osmosiss diaphragm group 100 not with the DI 210 and other reverse osmosis
The reverse side contact of the reverse osmosiss diaphragm 110 of permeable membrane piece group 100；The pure water flow-guiding screen 130 of each reverse osmosiss diaphragm group 100
Not with the waste pipe 220 and the front face of the reverse osmosiss diaphragm 110 of other reverse osmosiss diaphragm groups 100.
The central canal group 200 of the spiral wound reverse-osmosis membrane element of technical solutions of the utility model includes 210 He of DI
The waste pipe 220 of multiple circular DIs 210；220 corresponding one page reverse osmosis of each waste pipe of spiral wound reverse-osmosis membrane element
Permeable membrane piece group 100, such that it is able to realize that multimembrane page is batched, can increase runner quantity, be conducive to improving raw water flux, and solve
110 long osmotic pressure deficiency of reverse osmosiss diaphragm causes part reverse osmosiss diaphragm 110 and not up to filters the problem of purpose；Due to this
Central canal group 200 by multipage reverse osmosiss diaphragm group 100 wound on center, therefore seal those reverse osmosiss diaphragm groups 100
Behind two ends, the water inlet of 100 outer side edges effluent of multipage reverse osmosiss diaphragm group can be formed, middle waste pipe 220 discharges the raw water of waste water
Water route；When spiral wound reverse-osmosis membrane element of the present utility model is used, raw water is intake by effluent, and runner narrows, water entering surface
Product reduces, and can also adopt the water inlet flow-guiding screen 120 of low thickness, continues to reduce water inlet area, and flow process also increases significantly, therefore
The time that raw water is contacted with reverse osmosiss diaphragm 110 can be increased, the raw water response rate is improved；Meanwhile, because reducing raw water water inlet
Area, can increase 110 surface water velocity of reverse osmosiss diaphragm (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 reduce L, reduce naturally thickness d with little water inlet flow-guiding screen 120 in addition), it is thus possible to reduce reverse osmosis
The 110 surface concentration polarization of permeable membrane piece, reduces the pollution speed of the spiral wound reverse-osmosis membrane element, is conducive to improving raw water recovery
Rate, so as to improve the waste problem of raw water, realizes high water saving.
The water inlet flow-guiding screen 120 and the pure water flow-guiding screen 130 are separately positioned on the positive and negative of the reverse osmosiss diaphragm 110
Two sides, raw water are flowed in the front of reverse osmosiss diaphragm 110, and in the presence of osmotic pressure, from the front of reverse osmosiss diaphragm 110
To the reverse side infiltration pure water of reverse osmosiss diaphragm 110, pure water produces the reverse side in reverse osmosiss diaphragm 110 and in pure water flow-guiding screen 130
Guide functions under flow to DI 210.Wherein, reverse osmosiss diaphragm 110 can cause front to adjoin with front by doubling,
Reverse side is adjoined with reverse side, it is to avoid unnecessary contact, so as to prevent pure water to be contaminated；During practical operation, reverse osmosiss diaphragm 110
During doubling can be just inward-facing doubling can also be the inside doubling of reverse side, Rational choice is carried out according to practical situation.Please
Fig. 2 is further regarded to, in the present embodiment, the reverse osmosiss diaphragm 110 of each reverse osmosiss diaphragm group 100 is just inward-facing right
Folding is arranged, and the Part II overlapping of multiple reverse osmosiss diaphragm groups 100 simultaneously circumferentially winds the central canal group 200 jointly；
Water inlet flow channel is formed between same 110 front interlayer of the reverse osmosiss diaphragm；The reverse side of the two neighboring reverse osmosiss diaphragm 110
Formed between interlayer and produce water flow passage；The water inlet flow-guiding screen 120 and the waste pipe 220 are located in water inlet flow channel, the pure water
Flow-guiding screen 130 is located at and produces in water flow passage.Now, it is separate between water inlet flow channel and product water flow passage, and thoroughly isolate, Neng Gouyou
Effect guarantee each reverse osmosiss diaphragm group 100 water inlet flow-guiding screen 120 not with described in the DI 210 and others
The reverse side contact of the reverse osmosiss diaphragm 110 of reverse osmosiss diaphragm group 100；The pure water water conservancy diversion of each reverse osmosiss diaphragm group 100
Net 130 not with the waste pipe 220 and the front face of the reverse osmosiss diaphragm 110 of other reverse osmosiss diaphragm groups 100；It is former
Water only flows in water inlet flow channel and finally discharged by waste pipe 220, and pure water only flows finally by DI 210 in water flow passage is produced
Discharge, so as to avoid pure water from polluting, it is ensured that clean-up effect.
In order to smoothly derive pure water, in the present embodiment, the product water flow passage can be set except near described
The equal closing seam in other sides beyond the side of DI 210, so that the product water flow passage is only with towards the pure water
The pure water outlet of pipe 210；The film bag that water flow passage forms three side seals, one side opening is produced now, film bag mouth is against DI
210, the pure water limited in film bag can only flow towards DI 210；Raw water produces pure water after the effect of reverse osmosiss diaphragm 110,
Pure water is formed in film bag and flow to bag mouth and enters in DI 210.
Fig. 3, Fig. 5 and Fig. 6 are referred to, in the central canal group 200, connection institute on the perisporium of the DI 210, is offered
State the pure water blasthole 211 of the inner passage of DI 210；Connection is offered on the perisporium of each waste pipe 220 described
The waste water blasthole 221 of the inner passage of waste pipe 220.Pure water and waste water enter water by pure water blasthole 211 and waste water respectively
Hole 221 is entered in corresponding passage.Wherein, the particular number of waste pipe 220 determines the number of pages of reverse osmosiss diaphragm group 100,
The size of DI 210 is determined, specifically, one waste pipe 220 of correspondence of one page reverse osmosiss diaphragm group 100 is arranged, waste pipe
The number of pages of 220 more at most reverse osmosiss diaphragm groups 100 is more, and the flux of corresponding spiral wound reverse-osmosis membrane element is also bigger, and
The size of DI 210 is also corresponding bigger.The shape of the particular number of waste pipe 220, shape and correspondence DI 210 can be with
With reference to following specific embodiments, and arranged according to practical situation.
Please referring particularly to Fig. 1, Fig. 3 and Fig. 4, in an embodiment of the present utility model, the quantity of the waste pipe 220 is
N number of, N is more than or equal to 3；The cross section of the DI 210 is arranged in N sides shape, and correspondence is with N number of side surface, Mei Yisuo
State and on side surface 212, be equipped with the pure water blasthole 211；Each one described side surface 212 of correspondence of the waste pipe 220
Position arrange.Now each described waste pipe 220 can be plane towards the side of the side surface 212, facilitate reverse osmosiss
Diaphragm group 100 is stretched into and is wound.Specifically, in the present embodiment, N=5, the i.e. quantity of waste pipe 220 are 5, DI 210
Cross section is substantially arranged in regular pentagon, and correspondence has five side surfaces 212, each one institute of the correspondence of described waste pipe 220
The position for stating side surface 212 is arranged.This setup can ensure that the one of each 220 independent correspondence DI 210 of waste pipe
Individual side surface 212, carrying out from each other will not be interfering with each other when wound membrane is operated, instant rolled membrane operations.In order to ensure that each gives up
The pure water that 220 corresponding reverse osmosiss diaphragm group 100 of water pipe is produced timely can be collected in DI 210, be preferably provided with
The multiple pure water blastholes 211, and multiple pure water blasthole 211 edge are interval with each side surface 212
The length direction of the DI 210 is uniformly arranged, and thus, the pure water of each position quickly can flow to nearer pure
In water blasthole 211；In order to exclude waste water in time, multiple waste water on each waste pipe 220, are interval with
Blasthole 221 enters the internal path of waste pipe 220, and multiple waste water blastholes 221 are along the length of the waste pipe 220
Uniformly arrange in direction, it is ensured that the waste water of each position enters useless in can quickly flowing to nearer waste water blasthole 221
The internal path of water pipe 220.
Fig. 9 is referred to, in another embodiment of the present utility model, the quantity of the waste pipe 220 ' is two；It is described
DI 210 ' is flat tube, so that the DI 210 ' is with two side surfaces 212 ', on each side surface 212 '
It is equipped with the pure water blasthole (not shown)；The position of each one side surface 212 ' of the correspondence of waste pipe 220 '
Arrange；Now each described waste pipe 220 ' can be plane or curved surface towards the side of the side surface 212 '.This set
Mode can ensure that a side surface 212 ' of each 220 ' independent correspondence DI 210 ' of waste pipe, carry out mutual when wound membrane is operated
Will not be interfering with each other between phase, instant rolled membrane operations；This structure is the simplest simultaneously, and 220 ' quantity of waste pipe is few, is easy to life
Produce, be relatively specific in flux membrane component less than normal.Wherein, in order to ensure each 220 ' corresponding reverse osmosiss diaphragm of waste pipe
The pure water that group 100 is produced timely can be collected in DI 210 ', be preferably provided with each side surface 212 '
Multiple pure water blastholes are interval with, and multiple pure water blastholes are uniform along the length direction of the DI 210 '
Arrangement, thus, the pure water of each position quickly can be flow in nearer pure water blasthole；In order to exclusion in time
Waste water, is interval with multiple waste water blastholes (not shown) into waste pipe 220 ' on each waste pipe 220 '
Internal path, and multiple waste water blastholes uniformly arrange along the length direction of the waste pipe 220 ', it is ensured that each position
Waste water can quickly flow in nearer waste water blasthole the internal path for entering waste pipe 220 '.
Refer to Figure 10, in another embodiment of the present utility model, the DI 210 " circular in cross-section set
Put, the DI 210 " perisporium along its circumferential multiple waste pipe of correspondence 220 " be divided into multiple side plate bendings 213, it is each
The pure water blasthole (not shown) is equipped with the side plate bending 213；Each waste pipe 220 " one arc of correspondence
The position of face section 213 is arranged.In the present embodiment, will, in the present embodiment, waste pipe 220 " quantity be 6, DI 210 "
Perisporium along its circumferential multiple waste pipe of correspondence 220 " be divided into 6 side plate bendings 213, each described waste pipe 220 " it is right
The position of a side plate bending 213 is answered to arrange.This setup can ensure that each waste pipe 220 " individually correspond to pure water
One side plate bending 213 of pipe 210 ", carrying out from each other will not be interfering with each other when wound membrane is operated, instant rolled membrane operations.In order to protect
Demonstrate,prove each waste pipe 220 " pure water produced of corresponding reverse osmosiss diaphragm group 100 can timely collect DI 210 "
In, it is preferably provided with each side plate bending 213, being interval with multiple pure water blastholes (not shown), and it is multiple described
Pure water blasthole is along the DI 210 " length direction uniformly arrange, thus, the pure water of each position can be quick
It flow in nearer pure water blasthole；In order to exclude in time waste water, each waste pipe 220 " on be interval with
Multiple waste water blastholes (not shown) are into waste pipe 220 " internal path, and multiple waste water blastholes are along described
The length direction of waste pipe 220 " is uniformly arranged, it is ensured that the waste water of each position can quickly flow to nearer waste water and enter
In water hole enter waste pipe 220 " internal path.
Fig. 3 is referred to, for convenience wound membrane operation, the DI 210 can be set and multiple waste pipes 220 are common
Cylindrical is formed with combination；During wound membrane, central canal group 200 rotate when than more uniform, it is not easy to occur it is crooked, while rolling into
The outward appearance of product also can be easy to roll being installed in the housing of spiral wound reverse-osmosis membrane element for finished product, also allow for than more uniform
The end cap of spiral wound reverse-osmosis membrane element with roll being aligned and sealing for finished product.
Fig. 6 and Fig. 8 is referred to, in order to reach more preferable water conservancy diversion effect, in spiral wound reverse osmosis membrane of the present utility model
In the central canal group 200 of element, waste water guiding gutter 222, the waste water blasthole on the perisporium of the waste pipe 220, are offered
221 in the waste water guiding gutter 222.The concrete set location of waste water guiding gutter 222, shape and quantity, can be according to tool
Body situation is chosen, and in the present embodiment, is interval with multiple waste water circumferentially extending along waste pipe 220 and leads on the waste pipe 220
It is designed with a waste water blasthole 221 in chute 222, each waste water guiding gutter 222, waste water guiding gutter 222 has and catchments and lead
The effect of stream, can help waste water more quickly and accurately to enter in waste pipe 220.The waste water guiding gutter 222 of other shapes also can
The effect catchmented with water conservancy diversion is realized enough, here is not done and further limited.
During actual production DI 210, as 210 general length of DI is longer, and radius is less, therefore interior when producing
Slide block core pulling vertically is difficult, cause DI 210 cannot quick volume production, in order to solve this problem, refer to Fig. 5 and Fig. 7,
In the central canal group 200 of the present embodiment, offer on the perisporium of the DI 210 and prolong along 210 length direction of the DI
The the first resigning opening 214 stretched, when producing the DI 210, whole inner slide can be split as three slide blocks of upper, middle and lower, middle cunning
Block can be passed through two ends mouth of pipe core pulling respectively, be subtracted significantly by the first resigning 214 side core-pullings of opening, upper and lower two slide blocks
Little production difficulty, is conducive to the quick volume production of DI 210.Meanwhile, the first resigning opening 214 can also play pure water water inlet
The function in hole, passes in the inner passage of DI 210 for pure water.As the whole periphery wall of DI 210 is in volume
Can all be squeezed during film, cause to weigh wounded to deform at the first resigning opening 214 after preventing diaphragm pressurized, in the present embodiment
In, the first reinforcement 215 is provided with the first resigning opening 214, the two ends of first reinforcement 215 connect described respectively
Different two side of the first resigning opening 214.The diaphragm of reverse osmosiss diaphragm group 100 is carried out propping up by the first reinforcement 215
Support, can effectively prevent the diaphragm of reverse osmosiss diaphragm group 100 from weighing wounded.In the present embodiment, the first reinforcement 215 is along its length
Extend, the two ends of the first reinforcement 215 connect two minor faces of the first resigning opening 214 respectively；Obvious first reinforcement
215 set-up mode is not limited to the concrete mode of the present embodiment, as long as can realize supporting, do not affect water route unobstructed and not
Affect the structure of production molding be applied in the technical solution of the utility model, the concrete setting of the first reinforcement 215
Quantity, position, shape can be chosen according to actual needs, will not be described here.
During production waste pipe 220, it is contemplated that core pulling problem, the set-up mode of above-mentioned DI 210 is may be referred to, is referred to
Fig. 6 and Fig. 8, offers on the perisporium of the waste pipe 220 and opens along the second resigning that 220 length direction of the waste pipe extends
Mouth 223, reduces the production difficulty of waste pipe 220, is conducive to the quick volume production of waste pipe 220.Meanwhile, the second resigning opening 223
The function of waste water blasthole 221 can also be played, is passed in the inner passage of waste pipe 220 for waste water.For waste water
Cause to weigh wounded in the second deformation at opening 223 of stepping down after diaphragm at pipe 220 is pressurized, in the present embodiment, described second steps down
Opening 223 is located at side of the waste pipe 220 towards DI 210, and this position stress is relatively small, it is not easy to occur to damage
Wound.Can be to arrange the second reinforcements 224 in the second resigning opening 223, the two ends of second reinforcement 224 connect respectively
Different two side of the second resigning opening 223.The diaphragm of reverse osmosiss diaphragm group 100 is entered by the second reinforcement 224
Row is supported, and can effectively prevent the diaphragm of reverse osmosiss diaphragm group 100 from causing during the first resigning opening 214 is pressed in filter process
Weigh wounded, and then cause the problem of salt rejection rate reduction；As long as can realize supporting, do not affect water route unobstructed and not affecting production
Second reinforcement, 224 structure of molding can be applied in the technical solution of the utility model, the second reinforcement 224 it is concrete
Setting quantity, position, shape can be chosen according to actual needs, will not be described here.
Pure water is collected for convenience, Fig. 5 is referred to, wherein the instruction of the dotted line with arrow is water (flow) direction, can be arranged
The Single port of the DI 210 is blocked, so that pure water flows to the another port of the DI；Now, stream of pure water
Dynamic direction is certain, can reliably collect pure water, derive waste water for convenience, refer to Fig. 6, wherein the dotted line with arrow is indicated
Be water (flow) direction, the Single port that can design waste pipe 220 described at least one is blocked, so that waste water is to another port
Flowing；After closure, waste water flow direction is certain, can reliably collect waste water.When actually used, spiral wound reverse osmosis membrane
Element is usually vertically to place, and now, the corresponding DI 210 and multiple waste pipes 220 are also vertically
Put, now, the lower port for generally arranging the DI 210 is blocked, and the lower port of multiple waste pipes 220 is sealed
It is stifled, pure water and waste water, uniform fluid flow are collected from upper end, and be easy to the design of pipeline.
This utility model also proposes a kind of anti-penetration water purifier, and the anti-penetration water purifier includes spiral wound reverse osmosiss membrane element
Part, concrete structure reference above-described embodiment of the spiral wound reverse-osmosis membrane element, as this anti-penetration water purifier is employed
State whole technical schemes of all embodiments, therefore all beneficial effect brought by the same technical scheme with above-described embodiment
Really, this is no longer going to repeat them.
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 made by every utilization this utility model description and accompanying drawing content, or directly or indirectly it is used in other phases
The technical field of pass, is included in scope of patent protection of the present utility model in the same manner.
Claims (18)
1. a kind of spiral wound reverse-osmosis membrane element, it is characterised in that include：
Multiple reverse osmosiss diaphragm groups, each described reverse osmosiss diaphragm group include reverse osmosiss diaphragm, water inlet flow-guiding screen and pure water
Flow-guiding screen, the water inlet flow-guiding screen and the pure water flow-guiding screen are separately positioned on the tow sides of the reverse osmosiss diaphragm；
Central canal group, the central canal group include the waste pipe of DI and multiple spaced settings, multiple waste water
Pipe ring is arranged around the DI；
Wherein, each described reverse osmosiss diaphragm group is respectively provided with the Part I inside the central canal group and is located at described
Part II outside central canal group, each waste pipe and the DI are by the first of a reverse osmosiss diaphragm group
Spaced-apart；The Part II of multiple reverse osmosiss diaphragm groups forms the plural layers being centered around around the central canal group
Component；
Wherein, the water inlet flow-guiding screen of each reverse osmosiss diaphragm group not with the DI and other reverse osmosis membranes
The reverse side contact of the reverse osmosiss diaphragm of piece group；
The pure water flow-guiding screen of each reverse osmosiss diaphragm group not with the waste pipe and other reverse osmosiss diaphragm groups
Reverse osmosiss diaphragm front face.
2. spiral wound reverse-osmosis membrane element as claimed in claim 1, it is characterised in that each described reverse osmosiss diaphragm group
The inside doubling in reverse osmosiss diaphragm front arrange, the Part II overlapping of multiple reverse osmosiss diaphragm groups is simultaneously circumferentially twined jointly
Around the central canal group；Water inlet flow channel is formed between the same reverse osmosiss diaphragm front interlayer；The two neighboring reverse osmosiss
Formed between the reverse side interlayer of diaphragm and produce water flow passage；The water inlet flow-guiding screen and the waste pipe are located in water inlet flow channel, described
Pure water flow-guiding screen is located at and produces in water flow passage.
3. spiral wound reverse-osmosis membrane element as claimed in claim 2, it is characterised in that the product water flow passage is except near described
The equal closing seam in other sides beyond the side of DI, so that the product water flow passage is only with towards the DI
Pure water is exported.
4. spiral wound reverse-osmosis membrane element as claimed in claim 1, it is characterised in that open up on the perisporium of the DI
There is the pure water blasthole of the inner passage for connecting the DI；
The waste water blasthole of the inner passage for connecting the waste pipe is offered on the perisporium of each waste pipe.
5. spiral wound reverse-osmosis membrane element as claimed in claim 4, it is characterised in that the quantity of the waste pipe is two
It is individual；
The DI is flat tube, so that the DI has two side surfaces, is all provided with each side surface
State pure water blasthole；
The position of each one side surface of the waste pipe correspondence is arranged.
6. spiral wound reverse-osmosis membrane element as claimed in claim 5, it is characterised in that be spaced on each side surface
Multiple pure water blastholes are provided with, and multiple pure water blastholes are arranged along the length direction of the DI；And/or,
The multiple waste water blastholes, and the multiple waste water blasthole are interval with each waste pipe along described useless
The length direction arrangement of water pipe.
7. spiral wound reverse-osmosis membrane element as claimed in claim 4, it is characterised in that the quantity of the waste pipe be it is N number of,
N is more than or equal to 3；
The cross section of the DI is arranged in N sides shape, and correspondence is equipped with each side surface with N number of side surface
The pure water blasthole；
The position of each one side surface of the waste pipe correspondence is arranged.
8. spiral wound reverse-osmosis membrane element as claimed in claim 7, it is characterised in that be spaced on each side surface
Multiple pure water blastholes are provided with, and multiple pure water blastholes are arranged along the length direction of the DI；And/or,
The multiple waste water blastholes, and the multiple waste water blasthole are interval with each waste pipe along described useless
The length direction arrangement of water pipe.
9. spiral wound reverse-osmosis membrane element as claimed in claim 4, it is characterised in that
The circular in cross-section of the DI is arranged, and the perisporium of the DI is drawn along its circumferentially corresponding multiple described waste pipe
It is divided into multiple side plate bendings, in each side plate bending, is equipped with the pure water blasthole；
The position of one side plate bending of each waste pipe correspondence is arranged.
10. spiral wound reverse-osmosis membrane element as claimed in claim 9, it is characterised in that in each side plate bending between
Every being provided with multiple pure water blastholes, and multiple pure water blastholes are arranged along the length direction of the DI；With/
Or,
Multiple waste water blastholes, and the multiple waste water blasthole are interval with each waste pipe along the waste pipe
Length direction arrangement.
The 11. spiral wound reverse-osmosis membrane elements as any one of claim 4 to 10, it is characterised in that the waste water
Waste water guiding gutter is offered on the perisporium of pipe, the waste water blasthole is in the waste water guiding gutter.
The 12. spiral wound reverse-osmosis membrane elements as any one of claim 4 to 10, it is characterised in that the pure water
The the first resigning opening extended along the DI length direction is offered on the perisporium of pipe.
13. spiral wound reverse-osmosis membrane elements as claimed in claim 12, it is characterised in that set in the first resigning opening
There is the first reinforcement, the two ends of first reinforcement connect different two side of the first resigning opening respectively.
The 14. spiral wound reverse-osmosis membrane elements as any one of claim 4 to 10, it is characterised in that the waste water
The the second resigning opening extended along the waste pipe length direction is offered on the perisporium of pipe.
15. spiral wound reverse-osmosis membrane elements as claimed in claim 14, it is characterised in that set in the second resigning opening
There is the second reinforcement, the two ends of second reinforcement connect different two side of the second resigning opening respectively.
The 16. spiral wound reverse-osmosis membrane elements as any one of claim 1 to 10, it is characterised in that the pure water
Pipe and multiple waste pipe common combinations form cylindrical.
The 17. spiral wound reverse-osmosis membrane elements as any one of claim 1 to 10, it is characterised in that
The Single port of the DI is blocked, so that pure water flows to the another port of the DI；And/or,
The Single port of waste pipe described at least one is blocked, so that waste water flows to the another port of the waste pipe.
18. a kind of anti-penetration water purifiers, it is characterised in that include the spiral wound as any one of claim 1 to 17
Reverse-osmosis membrane element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620956616.0U CN206103724U (en) | 2016-08-26 | 2016-08-26 | Spiral wound type reverse osmosis membrane technology and reverse osmosis water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620956616.0U CN206103724U (en) | 2016-08-26 | 2016-08-26 | Spiral wound type reverse osmosis membrane technology and reverse osmosis water purifier |
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|---|---|
| CN206103724U true CN206103724U (en) | 2017-04-19 |
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| CN201620956616.0U Active CN206103724U (en) | 2016-08-26 | 2016-08-26 | Spiral wound type reverse osmosis membrane technology and reverse osmosis water purifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345300A (en) * | 2016-08-26 | 2017-01-25 | 佛山市顺德区美的饮水机制造有限公司 | Spiral-wound reverse osmosis membrane element, membrane winding method thereof and reverse osmosis water purifier |
| US11077406B2 (en) | 2016-08-26 | 2021-08-03 | Foshan Shunde Midea Water Dispenser Mfg. Co., Ltd. | Central tube set, spiral wound reverse osmosis membrane component, and reverse osmosis water purifier |
-
2016
- 2016-08-26 CN CN201620956616.0U patent/CN206103724U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345300A (en) * | 2016-08-26 | 2017-01-25 | 佛山市顺德区美的饮水机制造有限公司 | Spiral-wound reverse osmosis membrane element, membrane winding method thereof and reverse osmosis water purifier |
| WO2018036063A1 (en) * | 2016-08-26 | 2018-03-01 | 佛山市顺德区美的饮水机制造有限公司 | Spiral wound reverse osmosis membrane element, membrane wound method thereof and reverse osmosis water purifier |
| US11077406B2 (en) | 2016-08-26 | 2021-08-03 | Foshan Shunde Midea Water Dispenser Mfg. Co., Ltd. | Central tube set, spiral wound reverse osmosis membrane component, and reverse osmosis water purifier |
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