CN106823810A - A kind of RO center membranes pipe, RO membrane cartridges and water purification machine - Google Patents
A kind of RO center membranes pipe, RO membrane cartridges and water purification machine Download PDFInfo
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- CN106823810A CN106823810A CN201710260984.0A CN201710260984A CN106823810A CN 106823810 A CN106823810 A CN 106823810A CN 201710260984 A CN201710260984 A CN 201710260984A CN 106823810 A CN106823810 A CN 106823810A
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- flowing chamber
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 266
- 239000012528 membrane Substances 0.000 title claims abstract description 86
- 238000000746 purification Methods 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 239000003292 glue Substances 0.000 claims description 4
- 238000001223 reverse osmosis Methods 0.000 abstract description 14
- 239000010410 layer Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a kind of RO center membranes pipe, including central tube；Separating layer is arranged with outside central tube, separating layer cooperatively forms pure water through hole and concentrated water through hole that sealing separates with the outer wall of central tube, and pure water through hole is used for the pure water channel connection with RO diaphragms, and concentrated water through hole is used for the concentrated water channel connection with RO diaphragms；Central tube has the first water flowing chamber and the second water flowing chamber that sealing separates, first water flowing chamber has the first delivery port, second water flowing chamber has the second delivery port, the first limbers connected with the first water flowing chamber and the second limbers connected with the second water flowing chamber are provided with the tube side wall of center, one of first limbers and the second limbers are connected with pure water through hole, and another one is connected with concentrated water through hole.The RO center membrane pipes increased the water stream channel length of reverse osmosis membrane, so as to improve water use efficiency.Present invention also offers a kind of RO membrane cartridges with above-mentioned RO center membranes pipe and a kind of water purification machine with above-mentioned RO membrane cartridges.
Description
Technical field
The present invention relates to purification of water quality processing technology field, more specifically to a kind of RO center membranes pipe and a kind of RO
Membrane cartridge, the invention further relates to a kind of water purification machine with above-mentioned RO membrane cartridges.
Background technology
Existing RO (abbreviation of Reverse Osmosis, counter-infiltration) membrane cartridge includes central tube and wound on central tube
On diaphragm, pure water passage is provided with diaphragm, between adjacent diaphragms formed concentrated water passage；Central tube is internally provided with pure water collection
Middle runner and connection pure water passage concentrate multiple pure water through holes of runner, pure water through hole to divide along the axially spaced-apart of central tube with pure water
Pure water in cloth, diaphragm after filtering enters pure water and concentrates in runner by pure water passage by pure water through hole.
But, existing reverse osmosis membrane filter element is to enter raw water, other end output concentrated water, water stream channel from one end vertically
It is only axial distance of the water inlet end to concentrated water end, water stream channel is shorter, and water use efficiency is relatively low.
Additionally, the water inlet end of reverse osmosis membrane filter element and concentrated water end are separated by ring for the sealing liquid, extension over time, the ripple of pressure
Dynamic, ring for the sealing liquid is easier to string water occur, causes to be ganged up into water and concentrated water, and then causes the film surface contaminant cannot to clean, block RO
Film, makes the performance of film decline or lose.
In sum, how to increase the water stream channel length of reverse osmosis membrane, be current this area skill to improve water use efficiency
Art personnel technical problem urgently to be resolved hurrily.
The content of the invention
In view of this, it is an object of the invention to provide a kind of RO center membranes pipe, to increase the water stream channel of reverse osmosis membrane
Length, so as to improve water use efficiency.
Another object of the present invention is to provide a kind of RO membrane cartridges, to increase the water stream channel length of reverse osmosis membrane, from
And improve water use efficiency.
A further object of the invention is to provide a kind of water purification machine with above-mentioned RO membrane cartridges, to increase reverse osmosis membrane
Water stream channel length, so as to improve water use efficiency.
In order to achieve the above object, the present invention provides following technical scheme：
A kind of RO center membranes pipe, including central tube, are arranged with separating layer outside the central tube, the separating layer with it is described in
The outer wall of heart pipe cooperatively forms the pure water through hole and concentrated water through hole that sealing separates, and the pure water through hole is used for the pure water with RO diaphragms
Channel connection, the concentrated water through hole is used for the concentrated water channel connection with the RO diaphragms；
The central tube has the first water flowing chamber and the second water flowing chamber that sealing separates, and the first water flowing chamber has first
Delivery port, the second water flowing chamber has the second delivery port, is provided with the center tube side wall and connected with the first water flowing chamber
The first logical limbers and the second limbers connected with the second water flowing chamber, first limbers and second water flowing
One of hole is connected with the pure water through hole, and another one is connected with the concentrated water through hole, first delivery port and described
Two delivery ports form concentrated water outlet and pure water outlet respectively.
Preferably, in above-mentioned RO center membranes pipe, the central tube includes：
Center tube body with the first centre bore, first centre bore is connected with first limbers；
The inner core of described center tube body one end is inside placed on, described is formed between the inner core and the center tube body
Two-way water cavity, the inner core has the second centre bore for being connected with first centre bore, first centre bore and described the
Two centre bores cooperatively form the first water flowing chamber, and second centre bore has first delivery port.
Preferably, in above-mentioned RO center membranes pipe, first limbers connects with the concentrated water through hole, second water flowing
Hole connects with the pure water through hole, and first delivery port forms concentrated water outlet, and second delivery port forms pure water outlet.
Preferably, in above-mentioned RO center membranes pipe, also including being arranged on the filter core head of described central tube one end, the filter core head
With the inlet opening, pure water hole and the concentrated water hole that separate is sealed against each other, the inlet opening connects with the intake tunnel, the pure water
Hole and the pure water outlet, the concentrated water hole and the concentrated water outlet.
Preferably, in above-mentioned RO center membranes pipe, the filter core head is outer with the center tube body by the first sealing ring
Wall is tightly connected, and is tightly connected with the outer wall of the inner core by the second sealing ring；
First centre bore is sealed by the 3rd sealing ring with the second water flowing chamber and separated.
Preferably, in above-mentioned RO center membranes pipe, the multiple being uniformly distributed circumferentially is provided with the outer wall of the inner core and is led
Stream muscle, has gap between the fuisw rib and the center tube body.
Preferably, in above-mentioned RO center membranes pipe, the inner core coordinates with the center tube body screw thread.
It can be seen from above-mentioned technical scheme that, the RO center membrane pipes that the present invention is provided, including central tube；Central tube overcoat
Separating layer is provided with, separating layer cooperatively forms pure water through hole and concentrated water through hole that sealing separates, pure water through hole with the outer wall of central tube
For the pure water channel connection with RO diaphragms, concentrated water through hole is used for the concentrated water channel connection with RO diaphragms；Central tube has sealing
The the first water flowing chamber and the second water flowing chamber for separating, the first water flowing chamber have the first delivery port, and the second water flowing chamber has the second water outlet
Mouthful, the first limbers connected with the first water flowing chamber and the second water flowing connected with the second water flowing chamber are provided with the tube side wall of center
Hole, one of the first limbers and the second limbers are connected with pure water through hole, and another one is connected with concentrated water through hole, the first water outlet
Mouth and the second delivery port form concentrated water outlet and pure water outlet respectively.
Using when, first by RO diaphragms on RO center membrane pipes, RO diaphragms outer end circumferentially forms intake tunnel,
And make the concentrated water channel connection of the pure water channel connection of pure water through hole and RO diaphragms, concentrated water through hole and RO diaphragms；In application process,
Raw water enters intake tunnel from the outer end of RO diaphragms first, is then flowed towards the direction of central tube along the circumferencial direction of RO diaphragms,
By the permeability and separation of RO diaphragms, pure water enters pure water passage, and water inlet is gradually concentrated, and forms concentrated water；Then, pure water passage is pure
Water (concentrated water of concentrated water passage) enters the first limbers of central tube through pure water through hole (concentrated water through hole), then by central tube
The first delivery port outflow in the first water flowing chamber；The concentrated water (pure water of pure water passage) of concentrated water passage is through concentrated water through hole (pure water through hole)
Into the second limbers of central tube, then flowed out by second delivery port in the second water flowing chamber of central tube.Above-mentioned first goes out
The mouth of a river and the second delivery port form pure water outlet and concentrated water outlet respectively.
In sum, the water stream channel of RO diaphragms of the invention is circumferentially since the water inlet of intake tunnel to center
The pure water outlet of pipe stops, and its water stream channel includes the whole circumferential lengths of RO diaphragms, increased the water stream channel length of reverse osmosis membrane,
Recycled so as to play concentrated water, improve water use efficiency.
Present invention also offers a kind of RO membrane cartridges, including RO center membranes pipe and the RO on the RO center membranes pipe
Diaphragm, RO diaphragms outer end circumferentially forms intake tunnel, and the RO center membranes pipe is any of the above-described kind of RO center membrane pipe,
Because above-mentioned RO center membranes pipe has the effect above, the RO membrane cartridges with above-mentioned RO center membranes pipe have same effect, therefore
Repeat no more herein.
Preferably, in above-mentioned RO membrane cartridges, also include：
The end cover that two plug at end part of the RO diaphragms are lived, the end cover is set in the central tube
End is simultaneously connected by sealing glue layer with the RO diaphragm seals.
Present invention also offers a kind of water purification machine, including RO membrane cartridges, the RO membrane cartridges are any of the above-described kind of RO membrane filtration
Core, because above-mentioned RO membrane cartridges have the effect above, the water purification machine with above-mentioned RO membrane cartridges has same effect, therefore herein
Repeat no more.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation of RO center membranes pipe provided in an embodiment of the present invention；
Fig. 2 is the sectional view of the line A-A along Fig. 1；
Fig. 3 is the structural representation of the first implementation method of RO membrane cartridges provided in an embodiment of the present invention；
Fig. 4 is the structural representation of second implementation method of RO membrane cartridges provided in an embodiment of the present invention；
Fig. 5 is along a schematic cross-section of Fig. 4；
Fig. 6 is along another schematic cross-section of Fig. 4；
Fig. 7 is structural representation when RO membrane cartridges provided in an embodiment of the present invention have a filter core head；
Fig. 8 is the structural representation of the third implementation method of RO membrane cartridges provided in an embodiment of the present invention.
Specific embodiment
A kind of RO center membranes pipe is the embodiment of the invention provides, the water stream channel length of reverse osmosis membrane is increased, so as to carry
Water use efficiency high.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Accompanying drawing 1-8 is refer to, RO center membranes pipe provided in an embodiment of the present invention includes central tube；It is arranged with outside central tube point
Absciss layer 7, separating layer 7 cooperatively forms pure water through hole and concentrated water through hole that sealing separates with the outer wall of central tube, and pure water through hole is used for
With the pure water channel connection of RO diaphragms 3, concentrated water through hole is for the concentrated water channel connection with RO diaphragms 3；Central tube have sealing every
The the first water flowing chamber B1 and the second water flowing chamber B2 for opening, the first water flowing chamber B1 have the first delivery port, and the second water flowing chamber B2 has the
Two delivery ports, are provided with the first limbers 12 for being connected with the first water flowing chamber B1 and connect with the second water flowing chamber B2 on the tube side wall of center
The second logical limbers 13, one of the first limbers 12 and the second limbers 13 connect with pure water through hole, another one with it is dense
Water through hole is connected, and the first delivery port and the second delivery port form concentrated water outlet and pure water outlet respectively.It should be noted that above-mentioned
Separating layer 7 is adhesive layer, can make to reach preferable sealing effectiveness between central tube and RO diaphragms 3.
Using when, first by RO diaphragms 3 on RO center membrane pipes, it is logical that the outer end circumferentially of RO diaphragms 3 forms water inlet
Road, and make the pure water channel connection of pure water through hole and RO diaphragms, the concentrated water channel connection of concentrated water through hole and RO diaphragms；Application process
In, raw water enters intake tunnel from the outer end of RO diaphragms 3 first, then along the circumferencial direction of RO diaphragms 3 towards the direction of central tube
Flowing, by the permeability and separation of RO diaphragms 3, pure water enters pure water passage, and water inlet is gradually concentrated, and forms concentrated water；Then, pure water leads to
The pure water (concentrated water of concentrated water passage) in road enters the first limbers 12 of central tube through pure water through hole (concentrated water through hole), then passes through
The first delivery port outflow of the first water flowing chamber B1 of central tube；The concentrated water (pure water of pure water passage) of concentrated water passage is through concentrated water through hole
(pure water through hole) enters the second limbers 13 of central tube, then by the second delivery port stream of the second water flowing chamber B2 of central tube
Go out.Above-mentioned first delivery port and the second delivery port form pure water outlet and concentrated water outlet respectively.
In sum, the water stream channel of RO diaphragms 3 of the invention is circumferentially since the water inlet of intake tunnel in
The pure water outlet of heart pipe stops, and its water stream channel includes the whole circumferential lengths of RO diaphragms 3, and the water stream channel that increased reverse osmosis membrane is long
Degree, recycles so as to play concentrated water, improves water use efficiency.
Additionally, current flow from the inside side in outside of RO diaphragms 3, outer side hydraulic pressure is maximum, is inwardly gradually reduced, it is ensured that current
Patency, extend service life；During flushing, current tangentially rush at film surface, rinse more thorough.
As shown in Figure 1-2, it is preferred that central tube includes the center tube body 1 with the first centre bore 11, the first centre bore
11 connect with the first limbers 12；The inner core 2 of the one end of central tube body 1 is inside placed on, is formed between inner core 2 and center tube body 1
Second water flowing chamber B2, inner core 2 has the second centre bore 21 connected with the first centre bore 11, the first centre bore 11 and the second center
Hole 21 cooperatively forms the first water flowing chamber B1, and the second centre bore 21 has the first delivery port.
In the present embodiment, pure water (concentrated water) by the first limbers 12 of central tube, enters through pure water through hole (concentrated water through hole)
First centre bore 11, is then flowed out by the first delivery port of the second centre bore 21；Through concentrated water through hole, (pure water leads to concentrated water (pure water)
Hole) by the second limbers 13 of central tube, into the second water flowing chamber B2, flowed out by the second delivery port.
Central tube of the invention is combined by center tube body 1 and inner core 2, relatively simple for structure, is easy to assembling.When
So, above-mentioned central tube can also be integral type structure, two cavitys for separating are opened up on central tube and forms the first water flowing respectively
Chamber B1 and the second water flowing chamber B2, as shown in Figure 3.
In an of the invention specific embodiment, the first limbers 12 connects with concentrated water through hole, the second limbers 13 with it is pure
Water through hole is connected, and the first delivery port forms concentrated water outlet, and the second delivery port forms pure water outlet.As shown in figure 4, concentrated water is through concentrated water
Through hole, into the first centre bore 11, then exports stream by the first limbers 12 of central tube by the concentrated water of the second centre bore 21
Go out；Pure water, by the second limbers 13 of central tube, into the second water flowing chamber B2, is exported by pure water and flowed out through pure water through hole.Can be with
Understand, above-mentioned first limbers 12 can also connect with pure water through hole, now the first delivery port forms pure water outlet, such as schemes
Shown in 8, versatility is improve.
As shown in fig. 7, the RO center membranes pipe also filter core first 10 including centrally disposed pipe one end, filter core first 10 has mutual
The sealing inlet opening 101, pure water hole 103 and the concentrated water hole 102 that separate, inlet opening 101 connect with intake tunnel, pure water hole 103 and
Pure water outlet, concentrated water hole 102 and concentrated water outlet.Raw water is entered outside RO diaphragms 3 by the inlet opening 101 of filter core first 10
The intake tunnel of side, pure water is flowed out by pure water hole 103, and concentrated water is flowed out by concentrated water hole 102.The present invention is done using filter core first 10
The same side is located to water inlet, concentrated water, pure water, the left side in such as Fig. 7, so water inlet, concentrated water, pure water are from left end into or out, knot
Structure is fairly simple, easy to use, and can avoid string water phenomenon.Certainly, above-mentioned filter core first 10 can also only include pure water hole
103 and concentrated water hole 102, inlet opening 101 is provided separately within the other end of central tube, as shown in figures 3 and 8.
Preferably, filter core first 10 is tightly connected by the first sealing ring 5 and the outer wall of center tube body 1, close by second
Seal 6 is tightly connected with the outer wall of inner core 2, as shown in Figure 7.The present invention utilizes two sealing rings of arrangement straggly, can in left end
To be easy to separate in three kinds of water, and sealing reliability is preferable, it is to avoid the string water that ring for the sealing liquid film shakiness is shaped as.When
So, above-mentioned filter core first 10 can also be separated three kinds of water-stops by interference or other sealing means.
In order to further optimize above-mentioned technical proposal, the first centre bore 11 and the second water flowing chamber B2 pass through the 3rd sealing ring 4
Sealing separates, as shown in figure 1, the 3rd sealing ring 4 is set between inner core 2 and center tube body 1, is easy to assembling, and sealing can
It is preferable by property.Certainly, the first centre bore 11 and the second water flowing chamber B2 can also be sealed by interference or other sealing means
Separate.
As shown in Fig. 2 be provided with the multiple fuisw ribs 22 being uniformly distributed circumferentially on the outer wall of inner core 2, fuisw rib 22 with
There is gap between center tube body 1.The fuisw rib 22 both plays guide functions, can increase the volume of the second water flowing chamber B2,
Also inner core 2 is played a supporting role, it is to avoid inner core 2 is produced in center tube body 1 and rocked.Certainly, on the outer wall of above-mentioned inner core 2
Fuisw rib 22 can be not provided with.
For the ease of the assembling of inner core 2, inner core 2 coordinates with the screw thread of center tube body 1.Certainly, the inner core 2 and central tube sheet
Body 1 can also use interference fit or integral structure.
The embodiment of the present invention additionally provides RO membrane cartridges, including RO center membranes pipe and the RO films on RO center membrane pipes
Piece 3, the outer end circumferentially of RO diaphragms 3 forms intake tunnel, the water stream channel length of reverse osmosis membrane is increased, so as to improve water
Utilization rate, its advantage is brought by RO center membrane pipes, specifically refer to the part of correlation in above-described embodiment, herein just not
Repeat again.
In the RO membrane cartridges that above-described embodiment is provided, the also end cover including two plug at end part of RO diaphragms 3 are lived
8, end cover 8 is set in the end of central tube and is tightly connected with RO diaphragms 3 by sealing glue layer 9.The present embodiment is utilized
End cover 8 can preferably block the end of RO diaphragms 3 with the cooperation of sealing glue layer 9, and preferably, improve makes sealing effectiveness
Use the life-span.Certainly, the end of above-mentioned RO diaphragms 3 can also realize sealing, such as ring for the sealing liquid using other structures.
Specifically, the water stream channel length of RO membrane cartridges of the invention is 850mm, with the market equal volume 50G reverse osmosis
(1812 models, 254) diameter 46, water stream channel is long to compare permeable membrane, and its water stream channel is more than 3 times of normal film.If it is common
The water use efficiency of film is 30%, then the utilization rate of this film can reach more than 65%, is recycled so as to play concentrated water, improves and reclaims
Rate.
The embodiment of the present invention additionally provides a kind of water purification machine, including RO membrane cartridges, and RO membrane cartridges are implemented for any of the above-described
The RO membrane cartridges that example is provided, increased the water stream channel length of reverse osmosis membrane, and so as to improve water use efficiency, its advantage is by RO
What membrane cartridge brought, the part of correlation in above-described embodiment is specifically refer to, just repeat no more herein.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (10)
1. a kind of RO center membranes pipe, including central tube, it is characterised in that separating layer (7), described point are arranged with outside the central tube
Absciss layer (7) cooperatively forms pure water through hole and concentrated water through hole that sealing separates with the outer wall of the central tube, and the pure water through hole is used
In the pure water channel connection with RO diaphragms (3), the concentrated water through hole is used for the concentrated water channel connection with the RO diaphragms (3)；
The central tube has the first water flowing chamber (B1) and the second water flowing chamber (B2) that sealing separates, the first water flowing chamber (B1)
With the first delivery port, the second water flowing chamber (B2) has the second delivery port, be provided with the center tube side wall with it is described
First limbers (12) of the first water flowing chamber (B1) connection and the second limbers (13) connected with the second water flowing chamber (B2),
One of first limbers (12) and second limbers (13) connect with the pure water through hole, another one with it is described
Concentrated water through hole is connected, and first delivery port and second delivery port form concentrated water outlet and pure water outlet respectively.
2. RO center membranes pipe according to claim 1, it is characterised in that the central tube includes：
Center tube body (1) with the first centre bore (11), first centre bore (11) and first limbers (12)
Connection；
Inside it is placed on the inner core (2) of described center tube body (1) one end, shape between the inner core (2) and the center tube body (1)
Into the second water flowing chamber (B2), the inner core (2) with the second centre bore (21) connected with first centre bore (11),
First centre bore (11) and second centre bore (21) cooperatively form the first water flowing chamber (B1), second center
Hole (21) is with first delivery port.
3. RO center membranes pipe according to claim 2, it is characterised in that first limbers (12) is logical with the concentrated water
Hole connects, and second limbers (13) connect with the pure water through hole, and first delivery port forms concentrated water and exports, and described the
Two delivery ports form pure water outlet.
4. RO center membranes pipe according to claim 3, it is characterised in that also including being arranged on the filter of described central tube one end
Core print (10), the filter core head (10) is with sealing against each other the inlet opening (101), pure water hole (103) and the concentrated water hole that separate
(102), the inlet opening (101) connects with the intake tunnel, the pure water hole (103) and the pure water outlet, institute
Concentrated water hole (102) is stated with the concentrated water outlet.
5. RO center membranes pipe according to claim 4, it is characterised in that the filter core head (10) is by the first sealing ring
(5) outer wall with the center tube body (1) is tightly connected, and is sealed with the outer wall of the inner core (2) by the second sealing ring (6)
Connection；
First centre bore (11) is sealed by the 3rd sealing ring (4) with the second water flowing chamber (B2) and separated.
6. RO center membranes pipe according to claim 2, it is characterised in that be provided with along week on the outer wall of the inner core (2)
To equally distributed multiple fuisw ribs (22), there is gap between the fuisw rib (22) and the center tube body (1).
7. RO center membranes pipe according to claim 2, it is characterised in that the inner core (2) and the center tube body (1)
Screw thread coordinates.
8. a kind of RO membrane cartridges, including RO center membranes pipe and the RO diaphragms (3) on the RO center membranes pipe, its feature exist
In the RO diaphragms (3) outer end circumferentially forms intake tunnel；The RO center membranes Guan Weiru claim any one of 1-7
Described RO center membrane pipes.
9. RO membrane cartridges according to claim 8, it is characterised in that also include：
The end cover (8) that two plug at end part of the RO diaphragms (3) are lived, the end cover (8) be set in it is described in
The end of heart pipe is simultaneously tightly connected by sealing glue layer (9) with the RO diaphragms (3).
10. a kind of water purification machine, including RO membrane cartridge, it is characterised in that the RO membrane cartridges are as claimed in claim 8 or 9
RO membrane cartridges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710260984.0A CN106823810A (en) | 2017-04-20 | 2017-04-20 | A kind of RO center membranes pipe, RO membrane cartridges and water purification machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710260984.0A CN106823810A (en) | 2017-04-20 | 2017-04-20 | A kind of RO center membranes pipe, RO membrane cartridges and water purification machine |
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| Publication Number | Publication Date |
|---|---|
| CN106823810A true CN106823810A (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710260984.0A Pending CN106823810A (en) | 2017-04-20 | 2017-04-20 | A kind of RO center membranes pipe, RO membrane cartridges and water purification machine |
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| CN (1) | CN106823810A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109264826A (en) * | 2018-10-26 | 2019-01-25 | 珠海格力电器股份有限公司 | Reverse osmosis membrane structure, filter core and purifier |
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| KR102211420B1 (en) | 2017-09-28 | 2021-02-03 | 주식회사 엘지화학 | Reverse Osmotic membrane filter module |
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