CN106110894B - Spiral wound reverse-osmosis membrane element, filter core and anti-penetration water purifier - Google Patents
Spiral wound reverse-osmosis membrane element, filter core and anti-penetration water purifier Download PDFInfo
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- CN106110894B CN106110894B CN201610743900.4A CN201610743900A CN106110894B CN 106110894 B CN106110894 B CN 106110894B CN 201610743900 A CN201610743900 A CN 201610743900A CN 106110894 B CN106110894 B CN 106110894B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
- B01D63/101—Spiral winding
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
Abstract
The present invention discloses a kind of spiral wound reverse-osmosis membrane element, filter core and anti-penetration water purifier, wherein, the spiral wound reverse-osmosis membrane element includes: multipage reverse osmosis membrane group, central tube group, first end cover and second end cover, central tube group includes pure water pipe and multiple waste pipes for being spaced apart from each other setting, and multiple waste pipes are arranged around pure water pipe；Each reverse osmosis membrane group all has the first part inside central tube group and the second part outside central tube group, and each waste pipe and pure water pipe are separated by the first part of a reverse osmosis membrane group；The second part of multiple reverse osmosis membrane groups forms the plural layers component being centered around around central tube group, and first end cover and second end cover are sheathed on the both ends of central tube group and multipage reverse osmosis membrane group respectively；First end cover or second end cover correspond to central tube group setting pure water outlet and waste water discharge opening.The raw water rate of recovery can be improved in technical solution of the present invention, realizes high water-saving.
Description
Technical field
The present invention relates to reverse osmosis purified water technical field, in particular to a kind of spiral wound reverse-osmosis membrane element, filter core and
Anti-penetration water purifier.
Background technique
Spiral wound reverse-osmosis membrane element is also known as coiled reverse osmosis membrane element, is the common component in water treatment technology, it
It generally comprises the alternately stacked multilayer reverse osmosis of central tube and volume on central tube with multiple holes and selects film and water conservancy diversion
Net.Central tube is connect with shell both ends by connector.When in use, raw water enters shell from shell one end, in the work of pressure
The lower water of concentration is formed by the effect of reverse osmosis membrane with next part, into central tube later from central tube one or both ends
Outflow, this part water, which can be referred to as, produces water or pure water；Another part is flowed out from the shell other end, can be referred to as waste water, concentrated water.
This spiral wound reverse-osmosis membrane element in the prior art, raw water is after handling, greatly as useless
Water discharge, only sub-fraction become pure water, and the spiral wound reverse-osmosis membrane element of especially big flux, pure water amount is in raw water amount
In the ratio that accounts for it is relatively smaller, the raw water rate of recovery is low, causes the waste of raw water.
Summary of the invention
The main object of the present invention is to provide a kind of spiral wound reverse-osmosis membrane element, it is intended to the raw water rate of recovery is improved, it is real
Existing Gao Jieshui.
To achieve the above object, spiral wound reverse-osmosis membrane element proposed by the present invention, including central tube group, multipage reverse osmosis
Permeable membrane piece group, first end cover and second end cover；The central tube group includes pure water pipe and multiple waste water for being spaced apart from each other setting
Pipe, multiple waste pipes are arranged around the pure water pipe, and the connection pure water pipe is offered on the peripheral wall of the pure water pipe
The pure water blasthole of inner passage offers the useless of the inner passage for being connected to the waste pipe on the peripheral wall of each waste pipe
Water blasthole；Each described reverse osmosis membrane group all has the first part inside the central tube group and is located at described
Second part outside central tube group, each waste pipe and the pure water pipe are by the first of a reverse osmosis membrane group
Spaced-apart；The second part of multiple reverse osmosis membrane groups forms the plural layers being centered around around the central tube group
Component；The first end cover and second end cover are sheathed on the two of the central tube group and the multipage reverse osmosis membrane group respectively
End, to be positioned to the central tube group and the reverse osmosis membrane group；Wherein, the first end cover is equipped with waste water discharge opening
With pure water outlet；Alternatively, the first end cover is equipped with waste water discharge opening, the second end cover is equipped with pure water outlet；It is described
Waste pipe is connected to waste water discharge opening setting, and the pure water pipe is connected to the pure water outlet setting.
Preferably, the waste water discharge opening and the pure water outlet are all set in the first end cover.
Preferably, the inside of the first end cover is coated with sealant, the first end cover and the reverse osmosis membrane group
Between pass through sealant adhesive seal；And/or the inside of the second end cover is coated with sealant, the second end cover and institute
It states between reverse osmosis membrane group through sealant adhesive seal.
Preferably, the inside of the first end cover corresponds to the position of the waste pipe and quantity is convexly equipped with described in multiple be connected to
The first of waste water discharge opening protrudes into pipe, and described first, which protrudes into pipe, stretches in the corresponding waste pipe, and is connected to the waste water
Outlet and the corresponding waste pipe；The position that the inside of the first end cover corresponds to the pure water pipe is convexly equipped with described in connection
The second of pure water outlet protrudes into pipe, and described second, which protrudes into pipe, stretches in the pure water pipe, and is connected to the pure water outlet
With the pure water pipe.
Preferably, the inside of the second end cover corresponds to the position of the waste pipe and quantity is convexly equipped with multiple first positioning
Protrusion, first positioning protrusion, which stretches in the corresponding waste pipe, to be arranged；Described in the inside of the second end cover is corresponding
The position of pure water pipe is convexly equipped with the second positioning protrusion, and second positioning protrusion, which stretches in the pure water pipe, to be arranged.
Preferably, the pure water pipe is blocked far from one end nozzle of the first end cover, so that pure water is to described
The pure water outlet of one end cap flows；The waste pipe is blocked far from one end nozzle of the first end cover, so that waste water
It is flowed to the waste water discharge opening of the first end cover.
Preferably, each described reverse osmosis membrane group includes reverse osmosis membrane, water inlet flow-guiding screen and pure water flow-guiding screen；
The just inward-facing doubling setting of the reverse osmosis membrane of each reverse osmosis membrane group, the second of multiple reverse osmosis membrane groups
Part overlapping simultaneously circumferentially winds the central tube group jointly；Feed water flow is formed between same reverse osmosis membrane front interlayer
Road；It is formed between the reverse side interlayer of the two neighboring reverse osmosis membrane and produces 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, which is located at, to be produced in water flow passage.
Preferably, the equal closing seam in other sides for producing water flow passage in addition to close to the side of the pure water pipe, with
So that the production water flow passage only has the pure water outlet towards the pure water pipe.
Preferably, the quantity of the waste pipe is N number of, and N is greater than or equal to 3；The cross section of the pure water pipe is set in the side N shape
It sets, and correspondence has N number of side surface, is equipped with the pure water blasthole on each side surface；Each described waste pipe
The position setting of a corresponding side surface.
Preferably, the circular in cross-section setting of the pure water pipe, circumferentially correspondence is multiple along it for the peripheral wall of the pure water pipe
The waste pipe is divided into multiple side plate bendings, and the pure water blasthole is equipped in each side plate bending；Each waste water
The position setting of the corresponding side plate bending of pipe.
Preferably, waste water diversion trench is offered on the peripheral wall of the waste pipe, the waste water blasthole is set to the waste water
In diversion trench.
Preferably, it offers on the peripheral wall of the pure water pipe and is opened along the first resigning that the pure water pipe length direction extends
Mouthful.
Preferably, it is equipped with the first reinforcing rib in the first resigning opening, the both ends of first reinforcing rib are separately connected
Different two side of the first resigning opening.
Preferably, it offers on the peripheral wall of the waste pipe and is opened along the second resigning that the waste pipe length direction extends
Mouthful.
Preferably, it is equipped with the second reinforcing rib in the second resigning opening, the both ends of second reinforcing rib are separately connected
Different two side of the second resigning opening.
The present invention also proposes a kind of filter core, which includes shell, waterway converter and spiral wound reverse-osmosis membrane element,
The spiral wound reverse-osmosis membrane element includes central tube group, multipage reverse osmosis membrane group, first end cover and second end cover；In described
Heart pipe group includes pure water pipe and multiple waste pipes for being spaced apart from each other setting, and multiple waste pipes are arranged around the pure water pipe
Cloth offers the pure water blasthole for being connected to the inner passage of the pure water pipe, each waste water on the peripheral wall of the pure water pipe
The waste water blasthole for being connected to the inner passage of the waste pipe is offered on the peripheral wall of pipe；Each described reverse osmosis membrane group is equal
It is each described useless with the first part and the second part outside the central tube group being located inside the central tube group
Water pipe and the pure water pipe are separated by the first part of a reverse osmosis membrane group；The of multiple reverse osmosis membrane groups
Two parts form the plural layers component being centered around around the central tube group；The first end cover and second end cover cover respectively
Set on the both ends of the central tube group and the multipage reverse osmosis membrane group, to the central tube group and the reverse osmosis membrane
Group is positioned；Wherein, the first end cover is equipped with waste water discharge opening and pure water outlet；Alternatively, the first end cover is equipped with
Waste water discharge opening, the second end cover are equipped with pure water outlet；The waste pipe connection waste water discharge opening setting, the pure water pipe
It is connected to the pure water outlet setting.
The present invention also proposes a kind of anti-penetration water purifier, which includes filter core；The filter core includes shell, water
Road converter and spiral wound reverse-osmosis membrane element, the spiral wound reverse-osmosis membrane element include that central tube group, multipage are reverse osmosis
Diaphragm group, first end cover and second end cover；The central tube group includes pure water pipe and multiple waste pipes for being spaced apart from each other setting,
Multiple waste pipes are arranged around the pure water pipe, offer the inside for being connected to the pure water pipe on the peripheral wall of the pure water pipe
The pure water blasthole in channel offers on the peripheral wall of each waste pipe and is connected to the waste water of the inner passage of the waste pipe and enters
Water hole；Each described reverse osmosis membrane group all has the first part inside the central tube group and is located at the center
Second part outside pipe group, each waste pipe and the pure water pipe are by the first part of a reverse osmosis membrane group
It separates；The second part of multiple reverse osmosis membrane groups forms the plural layers group being centered around around the central tube group
Part；The first end cover and second end cover are sheathed on the both ends of the central tube group and the multipage reverse osmosis membrane group respectively,
To be positioned to the central tube group and the reverse osmosis membrane group；Wherein, the first end cover be equipped with waste water discharge opening and
Pure water outlet；Alternatively, the first end cover is equipped with waste water discharge opening, the second end cover is equipped with pure water outlet；It is described useless
Water pipe is connected to waste water discharge opening setting, and the pure water pipe is connected to the pure water outlet setting.
The central tube group of the spiral wound reverse-osmosis membrane element of technical solution of the present invention includes pure water pipe and multiple around pure
The waste pipe of water pipe；Each waste pipe of spiral wound reverse-osmosis membrane element corresponds to one page reverse osmosis membrane group, so as to reality
Existing multimembrane page batches, and can increase runner quantity, is conducive to improve raw water flux, and solve the too long osmotic pressure deficiency of diaphragm to cause
Part diaphragm does not reach the problem of filtering purpose, clamps central tube group and reverse osmosis respectively by first end cover and second end cover
Pure water outlet and waste water discharge opening is arranged to be positioned in the both ends of diaphragm group in first end cover, formation and center
Pipe group corresponds to the runner of pipeline connection；After first end cover and second end cover seal those reverse osmosis membrane group both ends, due to this
Central tube group by multipage reverse osmosis membrane group wound on center, can be formed multipage reverse osmosis membrane group outer side edges effluent into
Water, the raw water water route of intermediate waste pipe discharge waste water；Spiral wound reverse-osmosis membrane element of the invention, raw water by effluent into
Water, runner narrow, and water inlet area reduces, and can also use the water inlet flow-guiding screen of low thickness, continue to reduce water inlet area, and process
Also increase significantly, therefore the time that raw water is contacted with reverse osmosis membrane can be increased, improve the raw water rate of recovery；Meanwhile because subtracting
Small raw water is intake area, can increase reverse osmosis membrane surface water velocity, it is thus possible to reduce reverse osmosis membrane surface concentration difference
Polarization, reduces the pollution speed of the spiral wound reverse-osmosis membrane element, is conducive to improve the raw water rate of recovery, so as to improve raw water
Waste problem is realized high water-saving.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of spiral wound reverse-osmosis membrane element of the present invention；
Fig. 2 is the sectional view of the A-B-C-D along Fig. 1；
Fig. 3 is the enlarged drawing in Fig. 2 at E；
Fig. 4 is the enlarged drawing in Fig. 2 at F；
Fig. 5 is the structural schematic diagram of the first end cover of spiral wound reverse-osmosis membrane element shown in Fig. 1；
Fig. 6 is the reverse osmosis membrane group of spiral wound reverse-osmosis membrane element and the wound membrane schematic diagram of central tube group shown in Fig. 1；
Fig. 7 is one page reverse osmosis membrane group and a waste pipe and one of spiral wound reverse-osmosis membrane element shown in Fig. 1
The top view of pure water pipe cooperation；
Fig. 8 is the structural schematic diagram of the central tube group of spiral wound reverse-osmosis membrane element shown in Fig. 1；
Fig. 9 is the top view of central tube group shown in Fig. 8；
Figure 10 is the structural schematic diagram of the pure water pipe of spiral wound reverse-osmosis membrane element shown in Fig. 1；
Figure 11 is the structural schematic diagram of the waste pipe of spiral wound reverse-osmosis membrane element shown in Fig. 1；
Figure 12 is the central tube group top view of another embodiment of spiral wound reverse-osmosis membrane element of the present invention；
Figure 13 is the decomposition texture schematic diagram of filter core of the present invention.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of spiral wound reverse-osmosis membrane element.
Please refer to Fig. 1 and Fig. 2, wherein solid line instruction with the arrow is the spaces such as face or hole, mouth；Of the invention real
It applies in example, which includes: multipage reverse osmosis membrane group 100, central tube group 200, first end cover
300 and second end cover 400, the central tube group 200 includes pure water pipe 210 and multiple waste pipes 220 for being spaced apart from each other setting,
Multiple waste pipes 220 are arranged around the pure water pipe 210, and it is described pure that connection is offered on the peripheral wall of the pure water pipe 210
The pure water blasthole 211 of the inner passage of water pipe 210 offers the connection waste water on the peripheral wall of each waste pipe 220
The waste water blasthole 221 of the inner passage of pipe 220；Each described reverse osmosis membrane group 100 all has positioned at the central tube
First part and the second part outside the central tube group 200, each waste pipe 220 and institute inside group 200
Pure water pipe 210 is stated to be separated by the first part of a reverse osmosis membrane group 100；Multiple reverse osmosis membrane groups 100
Second part forms the plural layers component being centered around around the central tube group 200；The first end cover 300 and second end
Lid 400 is sheathed on the both ends of the central tube group 200 and the multipage reverse osmosis membrane group 100 respectively, to the central tube
Group 200 and 100 groups of the reverse osmosis membrane positioned；The first end cover 300 is equipped with waste water discharge opening 310 and pure water is discharged
320 (please referring to Fig. 1 and Fig. 2) of mouth；Alternatively, the first end cover 300 is equipped with waste water discharge opening, the second end cover 400 is equipped with
Pure water outlet (such set-up mode is not shown)；The waste pipe 220 is connected to waste water discharge opening 310 and is arranged, the pure water pipe
The 210 connection pure water outlets 320 are arranged.
The central tube group 200 of the spiral wound reverse-osmosis membrane element 700 of technical solution of the present invention includes pure water pipe 210 and more
The waste pipe 220 of a circular pure water pipe 210；The corresponding one page reverse osmosis of each waste pipe 220 of spiral wound reverse-osmosis membrane element 700
Permeable membrane piece group 100 can increase runner quantity so as to realize that multimembrane page batches, and be conducive to improve raw water flux, and solve
The problem of too long osmotic pressure deficiency of reverse osmosis membrane 110 leads to part reverse osmosis membrane 110 and not up to filters purpose；Pass through
First end cover 300 and second end cover 400 clamp the both ends of central tube group 200 and reverse osmosis membrane group 100 respectively to be positioned,
Pure water outlet 320 and waste water discharge opening 310 are set in first end cover 300 simultaneously, form pipeline corresponding with central tube group 200
The runner of connection；After first end cover 300 and second end cover 400 seal those 100 both ends of reverse osmosis membrane group, due to the center
Pipe group 200, wound on center, can form 100 outer side edges of multipage reverse osmosis membrane group by multipage reverse osmosis membrane group 100
The raw water water route of waste water is discharged in effluent water inlet, intermediate waste pipe 220；Spiral wound reverse-osmosis membrane element 700 of the invention uses
When, raw water is intake by effluent, and runner narrows, and water inlet area reduces, the water inlet flow-guiding screen 120 of low thickness can also be used, after
It is continuous to reduce water inlet area, and process also increases significantly, therefore can increase the time that raw water is contacted with reverse osmosis membrane 110, mentions
The high raw water rate of recovery；Meanwhile because reduce raw water water inlet area, can increase 110 surface water velocity of reverse osmosis membrane (
Flux one intake periodically, the relationship between flux Q and water velocity V of intaking is V=Q/S；Wherein, S is water inlet area, specifically
, S=Ld；L is water inlet end diaphragm length, and d is section thickness, and effluent mainly reduces L, in addition with small water inlet flow-guiding screen
120 reduce thickness d naturally), it is thus possible to reduce 110 surface concentration polarization of reverse osmosis membrane, reduces the spiral wound reverse osmosis
The pollution speed of membrane element 700 is conducive to improve the raw water rate of recovery, so as to improve the waste problem of raw water, realizes high water-saving.
Fig. 2, Figure 10 and Figure 11 are please referred to, in the central tube group 200, offers connection on the peripheral wall of the pure water pipe 210
The pure water blasthole 211 of the inner passage of the pure water pipe 210；Connection institute is offered on the peripheral wall of each waste pipe 220
State the waste water blasthole 221 of the inner passage of waste pipe 220.Pure water and waste water pass through pure water blasthole 211 respectively and waste water enters
Water hole 221 enters in corresponding channel.Wherein, the particular number of waste pipe 220 determines the number of pages of reverse osmosis membrane group 100,
Also the size of pure water pipe 210 is determined, specifically, the corresponding waste pipe 220 of one page reverse osmosis membrane group 100 is arranged, waste water
The number of pages of the more more then reverse osmosis membrane groups 100 of pipe 220 is more, and the flux of corresponding spiral wound reverse-osmosis membrane element 700 is also got over
Greatly, and the size of pure water pipe 210 is also corresponding bigger.Particular number, shape and the shape for corresponding to pure water pipe 210 of waste pipe 220
Shape is referred to specific embodiments of the present invention, and is arranged according to the actual situation.
Waste water discharge opening 310 and pure water outlet 320 can be set in same end cap (first end cover 300 or second end cover
400) it on, can also be separately positioned on different end caps, the purpose of export waste water and pure water can be played, in the present embodiment
In, please refer to Fig. 1, Fig. 2 and Fig. 5, it is preferable that the waste water discharge opening 310 and the pure water outlet 320 are all set in described
In first end cover 300.Waste water discharge opening 310 and pure water outlet 320 are all disposed within the same side at this time, carry out in corresponding filter core
When water route is designed, it is only necessary to which a waterway converter 800 is arranged in corresponding first end cover 300, thus is conducive to simplify correspondence
Filter core structure.
In order to enable the fixation of first end cover 300 and second end cover 400 is more reliable, in the present embodiment, it can be set, institute
The inside for stating first end cover 300 is coated with sealant, passes through between the first end cover 300 and the reverse osmosis membrane group 100
Sealant adhesive seal, the facilities of analogy first end cover 300；In the present embodiment, the inside of the second end cover 400 is equal
Inside be coated with sealant, between the second end cover 400 and the reverse osmosis membrane group 100 by sealing glue bond it is close
Envelope, after bonding, first end cover 300, second end cover 400 are not easy to fall off, and installation reliability greatly improves, meanwhile, sealant pair
The both ends of reverse osmosis membrane group 100 are sealed, and water is stopped to flow towards first end cover 300 or second end cover 400, to realize one
The intermediate water route being discharged of side water inlet.
Fig. 3 and Fig. 5 are please referred to, in order to realize docking for waste pipe 220 and wastewater effluent mouth 310, the first end cover 300
Inside correspond to the position of the waste pipe 220 and quantity is convexly equipped with and multiple are connected to the first of the waste water discharge opening 310 and protrude into
Pipe 311, described first, which protrudes into pipe 311, protrudes into the corresponding waste pipe 220 to be connected to the waste water discharge opening 310 and described useless
Water pipe 220；Specifically, first one end for protruding into pipe 311 is protruded into waste pipe 220 and is connected to waste pipe 220, first protrudes into pipe
311 other end is connected to waste water discharge opening 310, reliably realizes the connection in water route, while first protrudes into pipe 311 also with fixed
Bit function can assist the alignment of first end cover 300 Yu central tube group 200, improve the knot of spiral wound reverse-osmosis membrane element 700
Structure compactedness and reliability.In order to realize docking for pure water pipe 210 and pure water outlet 320, the inside of the first end cover 300
The position for corresponding to the pure water pipe 210 is convexly equipped with the second of the connection pure water outlet 320 and protrudes into pipe 321, and described second stretches
Enter pipe 321 to protrude into the pure water pipe 210 to be connected to the pure water outlet 320 and the pure water pipe 210.Second protrudes into pipe
321 effect and effect can protrude into pipe 311 with analogy first, and details are not described herein.
In order to facilitate the installation of second end cover 400；Referring to Fig. 4, in the present embodiment, the inside of the second end cover 400
The position of the corresponding waste pipe 220 and quantity are convexly equipped with multiple first positioning protrusion 401, and first positioning protrusion 401 is stretched
Enter in the corresponding waste pipe 220；The position that the inside of the second end cover 400 corresponds to the pure water pipe 210 is convexly equipped with second
Positioning protrusion 402, second positioning protrusion 402 protrude into the pure water pipe 210.Pass through the first positioning protrusion 401 and waste water
The cooperation of pipe 220, the second positioning protrusion 402 and pure water pipe 210 cooperate, and can simplify the alignment function of second end cover 400, while in
Heart pipe group 200 is connect with second end cover 400 by the first positioning protrusion 401 and the second positioning protrusion 402, can be further improved
The structural compactness and reliability of entire spiral wound reverse-osmosis membrane element 700.
Whenever necessary, second end cover 400 can also design corresponding water outlet with analogy first end cover 300, thus
Also pure water flow path or/and waste water flow path are formed at two end caps 400.Further referring to Fig. 2, in the present embodiment, for simplification
Water route, when second end cover 400 cooperates there is no setting water outlet, second end cover 400 and the sealing of central tube group, in pure water pipe 210
Pure water and waste pipe 220 in waste water will not towards second end cover 400 flow to be discharged, but work as second end cover 400 and central tube
When sealing effect between 200 is bad, pure water and waste water are also possible that and are flowed to second end cover 400 to be discharged to the shell of filter core
In body, to influence purification efficiency；In order to avoid such case, in the present embodiment, the pure water pipe 210 far from described the
One end nozzle of one end cap 300 is blocked, so that pure water is flowed to the pure water outlet 320 of the first end cover 300；It is described
One end nozzle far from the first end cover 300 of waste pipe 220 is blocked, so that waste water is flowed to the first end cover 300
It is dynamic.Referring to Fig. 2, pure water can be reliably collected at this point, pure water flow direction is certain, and after closure, waste water flow direction one
It is fixed, it can reliably collect waste water.In actual use, spiral wound reverse-osmosis membrane element 700 is usually placed vertically, this
When, the corresponding pure water pipe 210 and multiple waste pipes 220 are also put along the vertical direction, first end cover 300 above,
Second end cover 400 is blocked in lower section, the lower port that the pure water pipe 210 is arranged, and the lower port of multiple waste pipes 220 is equal
It is blocked, collects pure water and waste water, uniform fluid flow from upper end, and be convenient for the design of pipeline.
Fig. 6 and Fig. 7 are please referred to, each described reverse osmosis membrane group includes reverse osmosis membrane 110, water inlet flow-guiding screen 120
And pure water flow-guiding screen 130；Water inlet flow-guiding screen 120 and pure water flow-guiding screen 130 are being separately positioned on the reverse osmosis membrane 110 just
Anti- two sides, raw water flow in the front of reverse osmosis membrane 110, and under the action of osmotic pressure, just from reverse osmosis membrane 110
Reverse side towards reverse osmosis membrane 110 permeates pure water, and pure water generates the reverse side in reverse osmosis membrane 110 and in pure water flow-guiding screen
It is flowed under 130 guide functions to pure water pipe 210.Wherein, reverse osmosis membrane 110 can make front adjacent with front by doubling
It connects, reverse side and reverse side are adjacent, unnecessary contact are avoided, to prevent pure water contaminated；When practical operation, reverse osmosis membrane
It can be just inward-facing doubling when 110 doubling and be also possible to the inside doubling of reverse side, carrying out Rational choice according to the actual situation is
It can.Further referring to Fig. 7, in the present embodiment, 110 front of reverse osmosis membrane of each reverse osmosis membrane group 100
Inside doubling setting, the second part overlapping of multiple reverse osmosis membrane groups 100 simultaneously circumferentially wind the central tube jointly
Group 200；Water inlet flow channel is formed between same 110 front interlayer of the reverse osmosis membrane；The two neighboring reverse osmosis membrane 110
Reverse side interlayer between formed produce water flow passage；The water inlet flow-guiding screen 120 and the waste pipe 220 are located in water inlet flow channel, institute
Pure water flow-guiding screen 130 is stated to be located in production water flow passage.At this point, it is mutually indepedent between water inlet flow channel and production water flow passage, and be thoroughly isolated,
Can effectively ensure that the water inlet flow-guiding screen 120 of each reverse osmosis membrane group 100 not with the pure water pipe 210 and other
The reverse osmosis membrane group 100 reverse osmosis membrane 110 reverse side contact；Each reverse osmosis membrane group 100 it is pure
The not front with the waste pipe 220 and the reverse osmosis membrane 110 of other reverse osmosis membrane group 100 of water flow-guiding screen 130
Contact；Raw water, which only flows in water inlet flow channel, to be finally discharged by waste pipe 220, and pure water only flows finally in producing water flow passage by pure
Water pipe 210 is discharged, so that pure water be avoided to pollute, guarantees clean-up effect.
In order to smoothly export pure water, in the present embodiment, the production water flow passage can be set and remove close to described
The equal closing seam in other sides other than the side of pure water pipe 210, so that the production water flow passage only has 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 at this time, and film sack is against pure water pipe
210, the pure water limited in film bag can only be flowed towards pure water pipe 210；Raw water generates pure water after the effect of reverse osmosis membrane 110,
Pure water, which is formed in film bag and flow to sack, to be entered in pure water pipe 210.When practical operation, when progress can be operated by wound membrane
Realize sealing, while the sealing station at both ends can also be imitated using the sealing of the sealant of first end cover 300 and second end cover 400
Fruit carries out second and seals, and then realizes better seal effect.
Please referring particularly to Fig. 6, Fig. 8 and Fig. 9, in one embodiment of this invention, the quantity of the waste pipe 220 be it is N number of,
N is greater than or equal to 3；The cross section of the pure water pipe 210 is arranged in the side N shape, and corresponding with N number of side surface, each side
The pure water blasthole 211 is equipped on surface 212；The position of the corresponding side surface 212 of each described waste pipe 220
It installs.The side of each waste pipe 220 towards the side surface 212 can be plane at this time, facilitate reverse osmosis membrane
Group 100 is protruded into and is wound.Specifically, in the present embodiment, N=5, the i.e. quantity of waste pipe 220 are 5, pure water pipe 210 it is transversal
Face is substantially in regular pentagon setting, and there are five side surface 212, the corresponding sides of each described waste pipe 220 for corresponding tool
The position on surface 212 is arranged.This setup can guarantee that each waste pipe 220 individually corresponds to a side of pure water pipe 210
Surface 212, carry out wound membrane operation when from each other will not be interfering with each other, instant rolled membrane operations.In order to guarantee each waste pipe
The pure water that 220 corresponding reverse osmosis membrane groups 100 are produced can be timely collected into pure water pipe 210, be preferably provided with each
Multiple pure water blastholes 211 are equipped at intervals on the side surface 212, and multiple pure water blastholes 211 are along described
The length direction of pure water pipe 210 is uniformly arranged, and the pure water of each position can quickly flow to closer pure water and enter as a result,
In water hole 211；In order to exclude waste water in time, multiple waste water are equipped at intervals on each waste pipe 220 and enter water
Hole 221 enters the internal path of waste pipe 220, and multiple waste water blastholes 221 are along the length direction of the waste pipe 220
Uniformly arrangement guarantees that the waste water of each position can quickly be flow in closer waste water blasthole 221 and enters waste pipe
220 internal path.
Figure 12 is please referred to, in another embodiment of the invention, the circular in cross-section of the pure water pipe 210 ' is arranged, institute
The peripheral wall for stating pure water pipe 210 ' is divided into multiple side plate bendings 213 along its circumferentially corresponding multiple described waste pipe 220 ', each described
The pure water blasthole (not shown) is equipped in side plate bending 213；Each corresponding side plate bending of the waste pipe 220 '
213 position setting.In the present embodiment, the quantity of waste pipe 220 ' is 6, and circumferentially correspondence is more along it for the peripheral wall of pure water pipe 210 '
A waste pipe 220 ' is divided into 6 side plate bendings 213, the corresponding side plate bending 213 of each described waste pipe 220 '
Position setting.This setup can guarantee that each waste pipe 220 ' individually corresponds to a side plate bending of pure water pipe 210 '
213, carry out wound membrane operation when from each other will not be interfering with each other, instant rolled membrane operations.In order to guarantee each waste pipe 220 '
The pure water that corresponding reverse osmosis membrane group 100 is produced can be timely collected into pure water pipe 210 ', be preferably provided with each institute
It states and is equipped at intervals with multiple pure water blastholes (not shown) in side plate bending 213, and multiple pure water blastholes are described in
The length direction of pure water pipe 210 ' is uniformly arranged, and the pure water of each position can quickly flow to closer pure water as a result,
In blasthole；In order to exclude waste water in time, it is equipped at intervals with multiple waste water on each waste pipe 220 ' and enters water
The hole internal path (not shown) into waste pipe 220 ', and multiple waste water blastholes are along the length of the waste pipe 220 '
Direction is uniformly arranged, and is guaranteed that the waste water of each position can quickly be flow in closer waste water blasthole and is entered waste pipe
220 ' internal path.
In order to facilitate wound membrane operation, the pure water pipe 210 can be set and multiple 220 common combinations of the waste pipe are formed
Cylindrical；When wound membrane, central tube group 200 is relatively uniform when rotating, it is not easy to skew occur, while rolling the appearance of finished product
Can be relatively uniform, convenient for rolling being installed in the shell of spiral wound reverse-osmosis membrane element 700 of finished product, it is also convenient for spiral wound
The end cap of reverse-osmosis membrane element 700 and the alignment and sealing for rolling finished product.
Fig. 8 and Figure 11 are please referred to, in order to reach better diversion effect, in spiral wound reverse-osmosis membrane element of the invention
In 700 central tube group 200, waste water diversion trench 222, the waste water blasthole 221 are offered on the peripheral wall of the waste pipe 220
In the waste water diversion trench 222.Specific setting position, shape and the quantity of waste water diversion trench 222, can be according to specific feelings
Condition is chosen, and in the present embodiment, multiple waste water diversion trenches circumferentially extended along waste pipe 220 is equipped at intervals on the waste pipe 220
222, a waste water blasthole 221 is designed in each waste water diversion trench 222, waste water diversion trench 222, which has, to catchment and water conservancy diversion
Effect can help in the more acurrate quick entrance waste pipe 220 of waste water.The waste water diversion trench 222 of other shapes also can be real
The effect now catchmented with water conservancy diversion, does not further limit herein.
When actual production pure water pipe 210, since the general length of pure water pipe 210 is longer, and radius is smaller, therefore interior when production
Sliding block along axial core-pulling difficulty, cause pure water pipe 210 can not quick volume production, in order to solve this problem, referring to Fig. 10, this
In the central tube group 200 of embodiment, offered on the peripheral wall of the pure water pipe 210 along 210 length direction of pure water pipe extension
First resigning opening 214, entire inner slide can be split as three sliding blocks of upper, middle and lower when producing the pure water pipe 210, and middle sliding block can
With by the first resigning 214 side core-pullings of opening, upper and lower two sliding blocks can pass through the core pulling of both ends nozzle respectively, substantially reduce
Production difficulty is conducive to the quick volume production of pure water pipe 210.Meanwhile first opening of stepping down 214 can also play pure water inlet
Function is passed into for pure water in the inner passage of pure water pipe 210.Since the entire periphery wall of pure water pipe 210 is in wound membrane
It will be squeezed, deformation causes to weigh wounded at the first resigning opening 214 after diaphragm is pressurized in order to prevent, in the present embodiment,
Described first, which steps down, is equipped with the first reinforcing rib 215 in opening 214, and the both ends of first reinforcing rib 215 are separately connected described the
Different two side of one resigning opening 214.The diaphragm of reverse osmosis membrane group 100 is supported by the first reinforcing rib 215,
The diaphragm of reverse osmosis membrane group 100 can be effectively prevent to weigh wounded.In the present embodiment, the first reinforcing rib 215 prolongs along its length
It stretches, the both ends of the first reinforcing rib 215 are separately connected two short sides of the first resigning opening 214；Obvious first reinforcing rib 215
The concrete mode that is not limited to the present embodiment of set-up mode, as long as can realize support, do not influence that water route is unobstructed and not shadow
Ringing the molding structure of production can be applied in technical solution of the present invention, the specific setting quantity of the first reinforcing rib 215, position
Set, shape can be chosen according to actual needs, details are not described herein.
When producing waste pipe 220, it is contemplated that core pulling problem can refer to the set-up mode of above-mentioned pure water pipe 210, please refer to
Figure 11 offers the second resigning opening extended along 220 length direction of waste pipe on the peripheral wall of the waste pipe 220
223, reduce the production difficulty of waste pipe 220, is conducive to the quick volume production of waste pipe 220.Meanwhile second steps down opening 223 also
The function that waste water blasthole 221 can be played is passed into for waste water in the inner passage of waste pipe 220.For waste pipe
Diaphragm at 220 deforms at the second resigning opening 223 after being pressurized to be caused to weigh wounded, and in the present embodiment, described second, which steps down, opens
Mouth 223 is set to the waste pipe 220 towards the side of pure water pipe 210, this position stress is relatively small, it is not easy to damage
Wound.Second reinforcing rib 224 can also be set in the second resigning opening 223, the both ends of second reinforcing rib 224 are separately connected
Different two side of the second resigning opening 223.By the second reinforcing rib 224 to the diaphragm of reverse osmosis membrane group 100 into
Row support, the diaphragm of reverse osmosis membrane group 100 can be effectively prevent, which to be pressed into the first resigning opening 214 during the filtration process, to be caused
The problem of weighing wounded, and then salt rejection rate caused to reduce；As long as can realize that support, not influence water route unobstructed and do not influence to produce
Molding second reinforcing rib, 224 structure can be applied in technical solution of the present invention, the specific setting of the second reinforcing rib 224
Quantity, position, shape can be chosen according to actual needs, and details are not described herein.
Figure 13 is please referred to, the present invention also proposes a kind of filter core, which includes shell 900, waterway converter 800 and spiral
Coiled reverse osmosis membrane element 700, the specific structure of the spiral wound reverse-osmosis membrane element 700 is referring to above-described embodiment, due to this
Filter core uses whole technical solutions of above-mentioned all embodiments, therefore the same technical solution with above-described embodiment is brought
All beneficial effects, this is no longer going to repeat them.The spiral wound reverse-osmosis membrane element 700 is placed in the shell 900
It is interior；The waterway converter 800 is equipped with two independent water routes, wherein a water route and 310 phase of waste water discharge opening
Connection, another water route is connected with the pure water outlet 320.The pure water and waste water flowed out from end cap is by water route
The guidance of converter 800 is discharged in different pipelines.In the present embodiment, shell 900 includes holding part 910 and is covered on accommodating
The second end cover 400 of filter core head 920 in portion 910, spiral wound reverse-osmosis membrane element 700 is protruded into inwardly in holding part 910, water
Road converter 800 is installed between first end cover 300 and filter core head 920.
The present invention also proposes a kind of anti-penetration water purifier, which includes filter core, the specific structure of the filter core
It is same since this anti-penetration water purifier uses whole technical solutions of above-mentioned all embodiments referring to above-described embodiment
All beneficial effects brought by technical solution with above-described embodiment, this is no longer going to repeat them.
It it should be noted that the technical solution of each embodiment of the invention can be combined with each other, but must be with this
Based on the technical staff in field can be realized, when the combination of technical solution occur it is conflicting or when cannot achieve should people recognize
Combination for this technical solution is not present, also not the present invention claims protection scope within.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure transformation made by description of the invention and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (16)
1. a kind of spiral wound reverse-osmosis membrane element characterized by comprising
Central tube group, the central tube group include pure water pipe and multiple waste pipes for being spaced apart from each other setting, multiple waste water
Pipe ring is arranged around the pure water pipe, is offered on the peripheral wall of the pure water pipe and is connected to the pure water of the inner passage of the pure water pipe and enters
Water hole offers the waste water blasthole for being connected to the inner passage of the waste pipe on the peripheral wall of each waste pipe；
Multipage reverse osmosis membrane group, each described reverse osmosis membrane group all have first inside the central tube group
Divide and the second part outside the central tube group, each waste pipe and the pure water pipe are described reverse osmosis by one
The first part of diaphragm group separates；The second part of multiple reverse osmosis membrane groups forms the week for being centered around the central tube group
The plural layers component enclosed；
First end cover and second end cover, the first end cover and second end cover are sheathed on the central tube group and the multipage respectively
The both ends of reverse osmosis membrane group, to be positioned to the central tube group and the reverse osmosis membrane group；
Wherein, the first end cover is equipped with waste water discharge opening and pure water outlet；Alternatively, the first end cover is discharged equipped with waste water
Mouthful, the second end cover is equipped with pure water outlet；The waste pipe connection waste water discharge opening is arranged, described in the pure water pipe connection
The setting of pure water outlet；
Each described reverse osmosis membrane group includes reverse osmosis membrane, water inlet flow-guiding screen and pure water flow-guiding screen；
The just inward-facing doubling setting of the reverse osmosis membrane of each reverse osmosis membrane group, multiple reverse osmosis membrane groups
Second part overlapping simultaneously circumferentially winds the central tube group jointly；Formed between same reverse osmosis membrane front interlayer into
Water flow passage；It is formed between the reverse side interlayer of the two neighboring reverse osmosis membrane and produces 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, which is located at, to be produced in water flow passage.
2. spiral wound reverse-osmosis membrane element as described in claim 1, which is characterized in that the waste water discharge opening and described pure
Water outlet is all set in the first end cover.
3. spiral wound reverse-osmosis membrane element as claimed in claim 1 or 2, which is characterized in that the inside of the first end cover
Coated with sealant, pass through sealant adhesive seal between the first end cover and the reverse osmosis membrane group；And/or
The inside of the second end cover is coated with sealant, passes through sealing between the second end cover and the reverse osmosis membrane group
Glue bond sealing.
4. spiral wound reverse-osmosis membrane element as claimed in claim 2, which is characterized in that
The inside of the first end cover corresponds to the position of the waste pipe and quantity is convexly equipped with and multiple is connected to the waste water discharge opening
First protrude into pipe, described first, which protrudes into pipe, stretches in the corresponding waste pipe, and is connected to the waste water discharge opening and right
The waste pipe answered；
What the position that the inside of the first end cover corresponds to the pure water pipe was convexly equipped with the connection pure water outlet second protrudes into
Pipe, described second, which protrudes into pipe, stretches in the pure water pipe, and is connected to the pure water outlet and the pure water pipe.
5. spiral wound reverse-osmosis membrane element as claimed in claim 2, which is characterized in that
The inside of the second end cover corresponds to the position of the waste pipe and quantity is convexly equipped with multiple first positioning protrusion, and described
Positioning protrusion, which stretches in the corresponding waste pipe, to be arranged；
The position that the inside of the second end cover corresponds to the pure water pipe is convexly equipped with the second positioning protrusion, second positioning protrusion
It stretches in the pure water pipe and is arranged.
6. spiral wound reverse-osmosis membrane element as claimed in claim 2, which is characterized in that
The pure water pipe is blocked far from one end nozzle of the first end cover, so that pure water of the pure water to the first end cover
Outlet flowing；
The waste pipe is blocked far from one end nozzle of the first end cover, so that waste water of the waste water to the first end cover
Outlet flowing.
7. spiral wound reverse-osmosis membrane element as claimed in claim 1 or 2, which is characterized in that the production water flow passage is except close
The equal closing seam in other sides other than the side of the pure water pipe, so that the production water flow passage only has towards the pure water
The pure water outlet of pipe.
8. spiral wound reverse-osmosis membrane element as claimed in claim 1 or 2, which is characterized in that the quantity of the waste pipe is N
A, N is greater than or equal to 3；
The cross section of the pure water pipe is arranged in the side N shape, and correspondence has N number of side surface, is equipped on each side surface
The pure water blasthole；
The position setting of the corresponding side surface of each described waste pipe.
9. spiral wound reverse-osmosis membrane element as claimed in claim 1 or 2, which is characterized in that
The circular in cross-section of the pure water pipe is arranged, and the peripheral wall of the pure water pipe is drawn along its circumferentially corresponding multiple described waste pipe
It is divided into multiple side plate bendings, the pure water blasthole is equipped in each side plate bending；
The position setting of each corresponding side plate bending of the waste pipe.
10. spiral wound reverse-osmosis membrane element as claimed in claim 1 or 2, which is characterized in that on the peripheral wall of the waste pipe
Waste water diversion trench is offered, the waste water blasthole is set in the waste water diversion trench.
11. spiral wound reverse-osmosis membrane element as claimed in claim 1 or 2, which is characterized in that on the peripheral wall of the pure water pipe
Offer the first resigning opening extended along the pure water pipe length direction.
12. spiral wound reverse-osmosis membrane element as claimed in claim 11, which is characterized in that set in the first resigning opening
There is the first reinforcing rib, the both ends of first reinforcing rib are separately connected different two side of the first resigning opening.
13. spiral wound reverse-osmosis membrane element as claimed in claim 1 or 2, which is characterized in that on the peripheral wall of the waste pipe
Offer the second resigning opening extended along the waste pipe length direction.
14. spiral wound reverse-osmosis membrane element as claimed in claim 13, which is characterized in that set in the second resigning opening
There is the second reinforcing rib, the both ends of second reinforcing rib are separately connected different two side of the second resigning opening.
15. a kind of filter core, which is characterized in that including shell, waterway converter and as described in any one of claims 1 to 14
Spiral wound reverse-osmosis membrane element；The spiral wound reverse-osmosis membrane element is placed in the shell；The waterway converter
Equipped with two independent water routes, wherein a water route is connected with the waste water discharge opening of the first end cover, another institute
Water route is stated to be connected with the pure water outlet of the first end cover.
16. a kind of anti-penetration water purifier, which is characterized in that including filter core as claimed in claim 15.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610743900.4A CN106110894B (en) | 2016-08-26 | 2016-08-26 | Spiral wound reverse-osmosis membrane element, filter core and anti-penetration water purifier |
| PCT/CN2016/113101 WO2018036064A1 (en) | 2016-08-26 | 2016-12-29 | Spiral wound reverse osmosis membrane element, filter element and reverse osmosis water purifier |
| US16/286,540 US11077406B2 (en) | 2016-08-26 | 2019-02-26 | Central tube set, spiral wound reverse osmosis membrane component, and reverse osmosis water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610743900.4A CN106110894B (en) | 2016-08-26 | 2016-08-26 | Spiral wound reverse-osmosis membrane element, filter core and anti-penetration water purifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106110894A CN106110894A (en) | 2016-11-16 |
| CN106110894B true CN106110894B (en) | 2019-08-13 |
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| CN201610743900.4A Active CN106110894B (en) | 2016-08-26 | 2016-08-26 | Spiral wound reverse-osmosis membrane element, filter core and anti-penetration water purifier |
Country Status (2)
| Country | Link |
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| CN (1) | CN106110894B (en) |
| WO (1) | WO2018036064A1 (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110894B (en) * | 2016-08-26 | 2019-08-13 | 佛山市顺德区美的饮水机制造有限公司 | Spiral wound reverse-osmosis membrane element, filter core and anti-penetration 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 |
| CN107998892B (en) * | 2016-11-28 | 2023-06-30 | 佛山市顺德区美的饮水机制造有限公司 | Membrane element pipe fitting and tool thereof, spiral roll type water-saving membrane element and water purifier |
| CN106731109A (en) * | 2016-12-19 | 2017-05-31 | 佛山市麦克罗美的滤芯设备制造有限公司 | Filter core and the purifier with it |
| CN108002487A (en) * | 2016-12-22 | 2018-05-08 | 佛山市美的清湖净水设备有限公司 | Reverse osmosis filter core, reverse osmosis water purification system and reverse osmosis water purifier |
| CN107998887B (en) * | 2016-12-22 | 2021-04-27 | 佛山市美的清湖净水设备有限公司 | Reverse osmosis filter core, reverse osmosis water purification system and reverse osmosis water purifier |
| CN113019127A (en) * | 2016-12-22 | 2021-06-25 | 佛山市顺德区美的饮水机制造有限公司 | Shell of reverse osmosis filter element, reverse osmosis filter element and reverse osmosis water purification system |
| CN113019126B (en) * | 2016-12-22 | 2023-03-31 | 佛山市顺德区美的饮水机制造有限公司 | Shell of reverse osmosis filter element, reverse osmosis filter element and reverse osmosis water purification system |
| CN112403278B (en) * | 2017-01-05 | 2022-05-17 | 佛山市顺德区美的饮水机制造有限公司 | End cover, spiral roll formula reverse osmosis membrane element and water purifier |
| CN108525523B (en) * | 2017-03-06 | 2020-08-25 | 佛山市顺德区美的饮水机制造有限公司 | Spiral-wound reverse osmosis membrane element and water purifier |
| CN108654392B (en) * | 2017-03-30 | 2023-09-01 | 佛山市顺德区美的饮水机制造有限公司 | Spiral wound reverse osmosis membrane element and water purifier |
| CN108793325A (en) * | 2017-04-27 | 2018-11-13 | 佛山市顺德区美的饮水机制造有限公司 | Water cleaning systems |
| CN111115879A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Water purification system |
| CN110451604A (en) * | 2019-08-21 | 2019-11-15 | 自然资源部天津海水淡化与综合利用研究所 | A kind of novel reverse osmosis membrane assembly |
| CN110357215B (en) * | 2019-08-22 | 2023-05-26 | 吴红平 | Parallel double-water-quality membrane element and processing method thereof |
| CN110508143B (en) * | 2019-09-20 | 2023-10-03 | 珠海格力电器股份有限公司 | M-type coiled reverse osmosis membrane element, manufacturing method thereof and water purification system |
| CN113754100B (en) * | 2021-09-17 | 2023-10-31 | 南方智水科技有限公司 | Reverse osmosis membrane water purifier |
| CN114259873A (en) * | 2021-12-28 | 2022-04-01 | 佛山市麦克罗美的滤芯设备制造有限公司 | Multi-membrane reverse osmosis membrane element rolling method |
| WO2023179012A1 (en) * | 2022-03-25 | 2023-09-28 | 珠海格力电器股份有限公司 | Stage filter element, stage filter element assembly, water purification device, and water purification system |
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| CN201578990U (en) * | 2009-07-10 | 2010-09-15 | 高耀祖 | Spiral coiled double-channel convection reverse osmosis membrane module and membrane component |
| CN206045810U (en) * | 2016-08-26 | 2017-03-29 | 佛山市顺德区美的饮水机制造有限公司 | Spiral wound reverse-osmosis membrane element, filter element and anti-penetration water purifier |
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| CN106110894A (en) | 2016-11-16 |
| WO2018036064A1 (en) | 2018-03-01 |
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