CN209501376U - A kind of reverse osmosis filter core and reverse osmosis element kit - Google Patents
A kind of reverse osmosis filter core and reverse osmosis element kit Download PDFInfo
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- CN209501376U CN209501376U CN201920039331.4U CN201920039331U CN209501376U CN 209501376 U CN209501376 U CN 209501376U CN 201920039331 U CN201920039331 U CN 201920039331U CN 209501376 U CN209501376 U CN 209501376U
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- reverse osmosis
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Abstract
The utility model discloses a kind of reverse osmosis filter core and reverse osmosis element kits, wherein reverse osmosis filter core includes the reverse osmosis membrane on central tube and the centrally disposed pipe of winding, the top of central tube has a concentrated water channel, the lower part of central tube has a water purification channel, reverse osmosis filter core further includes the filter cartridge for being set in central tube top, filter cartridge is made of the first shell and second shell being fastened and connected up and down, the upper surface of first shell offers inlet unit, the lower surface of second shell offers water unit, and an accommodating chamber is formed between first shell and second shell, antisludging agent is placed in accommodating chamber, the water outlet being connected to concentrated water channel is offered on the side wall on central tube top, water outlet is located at the top of first shell;Advantage is longer good purification, service life, small volume and cost is relatively low.
Description
Technical field
The utility model relates to water-treatment technology field more particularly to a kind of reverse osmosis filter core and reverse osmosis filter core groups
Part.
Background technique
As rapid industrial development water pollution is also increasingly severe, safe drinking water can be drunk and have become people
The problem of highest attention, therefore pure water system is just progressing into the drinking-water system of every household.Water purifier currently on the market
Generally can all use reverse osmosis filter core, reverse osmosis filter core can to the impurity such as organic matter, colloid, bacterium, virus in raw water into
The impurity such as inorganic salts, heavy metal ion are especially had high filter efficiency by row filtering.Thus reverse osmosis filter core constitutes only
The core component of water dispenser, the filter effect of water purifier are directly related with the filter effect of reverse osmosis filter core.
Existing reverse osmosis filter core generally comprises central tube and winds the reverse osmosis membrane on centrally disposed pipe, central tube tool
There are water purification channel and concentrated water channel, the filter core after assembly is placed in the shell of reverse osmosis element kit, in use, raw water is from shell
The water inlet of body enters in concentrated water channel, later under the action of raw water pressure, from the outside of the reverse osmosis membrane after coiling into
Enter on the inside of reverse osmosis membrane, the water purification through being formed under the action of reverse osmosis membrane enters the water purification channel of central tube, most afterwards through central tube
Water purification channel outlet flow direction from the water purification outlet of shell, and concentrated water side between the outside and shell of reverse osmosis membrane from forming
It is flowed out after waste water tunnel from the wastewater outlet of shell.
But in the case where the poor area of water quality situation or high-hardness water, existing reverse osmosis membrane is easy in film
Surface scale blocks up film, makes shortening using birthday noodle for reverse osmosis membrane, influences clean-up effect, therefore use the longevity for protection reverse osmosis membrane
Life and performance install scale inhibition filter core additional usually before reverse osmosis membrane, under regular situation, need the dedicated shell with scale inhibition filter core and
Piping connection is before reverse osmosis element kit, and which increases whole volumes, and manufacturing cost improves.
Summary of the invention
One of the purpose of this utility model is to provide a kind of reverse osmosis filter core and reverse osmosis element kit, purification effect
Fruit is good, service life is longer, small volume and cost is relatively low.
To achieve the above objectives, the technical solution adopted in the utility model are as follows: a kind of reverse osmosis filter core, including central tube with
And the reverse osmosis membrane that winding is arranged on the central tube, the top of the central tube has a concentrated water channel, described
The lower part of central tube has a water purification channel, and the reverse osmosis filter core further includes the filtering for being set in the central tube top
Box, the filter cartridge are made of the first shell and second shell being fastened and connected up and down, the upper surface of the first shell
Offer inlet unit, the lower surface of the second shell offers water unit, and the first shell and described
An accommodating chamber is formed between second shell, is placed with antisludging agent in the accommodating chamber, on the side wall on the central tube top
The water outlet being connected to the concentrated water channel is offered, the water outlet is located at the top of the first shell.
The first shell is provided centrally with the first pipe sleeve, and the second shell is provided centrally with the second pipe
Set, first pipe sleeve is connected to each other with second pipe sleeve, and the lower end of first pipe sleeve extends downward with the
One annular convex platform, the upper end of second pipe sleeve, which upwardly extends, is provided with the second annular convex platform, the first annular boss
Lateral wall and the inner sidewall of second annular convex platform be in close contact.In the structure, the first pipe sleeve is opposite with the second pipe sleeve
It connects, convenient for being set on central tube, first annular boss and the second annular convex platform are in close contact, to improve leakproofness.
The periphery of the first shell extends downward with the first drip ring, and the periphery of the second shell is upward
Being extended has the second drip ring, and the inner sidewall of first drip ring and the lateral wall of second drip ring closely connect
Touching.In the structure, the first drip ring and the second drip ring are in close contact, and leakproofness is improved, and avoid water from filter cartridge
Side outflow.
The inlet unit includes that multilayer is enclosed along the inlet opening that the axial direction of first pipe sleeve is arranged, each layer
The inlet opening circle is made of multiple circumferentially equally distributed inlet openings, and the water inlet area of the inlet opening is by interior
It is incremented by outer.In the structure, the setting of multilayer inlet opening circle, so that outle water rate is improved, due to just coming out from water outlet
Concentrated water hydraulic pressure is larger, and the concentrated water hydraulic pressure far from central tube is smaller, therefore the water inlet area of inlet opening is incremented by from the inside to the outside, convenient for outer
The quick water guide in inlet opening of the inlet opening circle of circle.
The water unit includes the apopore circle that multilayer is arranged along the axial direction of second pipe sleeve, each layer
The apopore circle is made of multiple circumferentially equally distributed apopores, and the water-outlet area of the apopore is by interior
It is incremented by outer.It is advantageous in that flows rapidly on reverse osmosis membrane convenient for purified water.
The antisludging agent is Si-P crystal.In the structure, Si-P crystal can be reacted with metal ions such as calcium and magnesiums to be formed it is solvable
Property complex compound, inhibit calciate and the generation of magnesate and being distributed in water to react with iron ion to form protective film, from
And the hardness of raw water is reduced, achieve the purpose that anti-corrosion scale-deposit-preventing, plays a protective role for reverse osmosis filter membrane.
Another of the utility model is designed to provide a kind of reverse osmosis element kit, including shell and is fixedly mounted on
Water inlet cap on the shell further includes reverse osmosis filter core, and the reverse osmosis filter core is mounted in the shell.
The pure water pipe that the bottom of the shell is provided with waste pipe and is connected to the water purification channel, the center
The lower end of pipe, which is protruded into, to be arranged in the pure water pipe, and the lower end of the central tube is fixed with O-ring.In the structure, give up
Water pipe is used to that the waste water without permeable membrane purification to be discharged, and pure water pipe is connected to each other with central tube, conducive to the water flowed out from water purification channel
It flows in pure water pipe, the setting of O-ring improves leakproofness, avoids water purification and flows out from the junction of central tube and pure water pipe.
The periphery of the reverse osmosis membrane is fixed with sealing ring, and the inner sidewall of the sealing ring and the shell connects
Touching.In the structure, the inner space of shell is divided into mutually independent upper space and down space by the setting of sealing ring, to make original
Water is not easy to be seeped into down space.
Multiple internal diameters gradually big water inlet pipe is coaxially arranged at the center of the water inlet cap from inside to outside.Its benefit exists
In convenient for connecting with the water pipe of different tube diameters.
Compared with the prior art, the advantages of the utility model are: filter cartridge is placed in the top of central tube, make itself and center
Pipe combines together, reduces whole volume;The antisludging agent placed in filter cartridge, for filtering out the calcium ions and magnesium ions in raw water, from
And the content of the calcium ions and magnesium ions in raw water is reduced, so that the hardness of raw water reduces, to reduce the injury to reverse osmosis membrane, improve
Its service life;Filter cartridge is made of the first shell and second shell being fastened and connected up and down, can not be played a role in antisludging agent
When, first shell and second shell can be made to dismantle, antisludging agent is replaced thus convenient, thus reduce replacement at
This;The utility model good purification, service life is longer, small volume and cost is relatively low.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model embodiment one;
Fig. 2 is the schematic perspective view of filter cartridge in the utility model embodiment one;
Fig. 3 is the cross-sectional view of filter cartridge in the utility model embodiment one;
Fig. 4 is the schematic perspective view of filter cartridge decomposing state in the utility model embodiment one;
Fig. 5 is the schematic perspective view of reverse osmosis membrane in the utility model embodiment one;
Fig. 6 is the cross-sectional view of reverse osmosis membrane in the utility model embodiment one;
Fig. 7 is the schematic perspective view of the utility model embodiment two;
Fig. 8 is the schematic perspective view of water inlet cap in the utility model embodiment two;
Fig. 9 is the schematic perspective view of two decomposing state of the utility model embodiment.
Specific embodiment
Invention is described in further detail below in conjunction with figure embodiment.
Embodiment one: as shown, a kind of reverse osmosis filter core, including on central tube 1 and the centrally disposed pipe 1 of winding
Reverse osmosis membrane 2, the top of central tube 1 have a concentrated water channel 11, and the lower part of central tube 1 has a water purification channel 12, reverse osmosis
Filter core further includes the filter cartridge 3 for being set in 1 top of central tube, and filter cartridge 3 is by the first shell 31 being fastened and connected up and down and second
Shell 32 forms, and the upper surface of first shell 31 offers inlet unit, and the lower surface of second shell 32 offers water unit,
And an accommodating chamber 33 is formed between first shell 31 and second shell 32, antisludging agent, 1 top of central tube are placed in accommodating chamber 33
Side wall on offer the water outlet 13 being connected to concentrated water channel 11, water outlet 13 is located at the top of first shell 31.
In the present embodiment, first shell 31 is provided centrally with the first pipe sleeve 311, and second shell 32 is provided centrally with
Two pipe sleeves 321, the first pipe sleeve 311 are connected to each other with the second pipe sleeve 321, and the lower end of the first pipe sleeve 311 extends downward with first
Annular convex platform 312, the upper end of the second pipe sleeve 321, which upwardly extends, is provided with the second annular convex platform 322, first annular boss 312
The inner sidewall of lateral wall and the second annular convex platform 322 is in close contact.In the structure, the first pipe sleeve 311 and the second pipe sleeve 321 are opposite
It connects, convenient for being set on central tube 1, first annular boss 312 and the second annular convex platform 322 are in close contact, to improve close
Feng Xing.
In the present embodiment, the periphery of first shell 31 extends downward with the first drip ring 313, second shell 32 it is outer
Being extended in circumferential direction has the second drip ring 323, and the inner sidewall of the first drip ring 313 and the lateral wall of the second drip ring 323 are tight
Contiguity touching.In the structure, the first drip ring 313 and the second drip ring 323 are in close contact, and leakproofness is improved, and avoid water
It is flowed out from the side of filter cartridge 3.
In the present embodiment, inlet unit includes the inlet opening circle 314 that multilayer is arranged along the axial direction of the first pipe sleeve 311,
Each layer of inlet opening circle 314 is made of multiple circumferentially equally distributed inlet openings 315, the water inlet area of inlet opening 315
It is incremented by from the inside to the outside.In the structure, the setting of multilayer inlet opening circle 314, so that outle water rate is improved, due to just from water outlet
Mouthfuls 13 come out that concentrated water hydraulic pressure is larger, and the concentrated water hydraulic pressure far from central tube 1 is smaller, thus the water inlet area of inlet opening 315 by it is interior extremely
It is outer to be incremented by, convenient for the quick water guide in inlet opening of the inlet opening circle 314 of outer ring.
In the present embodiment, water unit includes the apopore circle 324 that multilayer is arranged along the axial direction of the second pipe sleeve 321,
Each layer of apopore circle 324 is made of multiple circumferentially equally distributed apopores 325, the water-outlet area of apopore 325
It is incremented by from the inside to the outside.It is advantageous in that flows rapidly in reverse osmosis membrane 2 convenient for purified water.
In the present embodiment, antisludging agent is Si-P crystal.In the structure, Si-P crystal can react to be formed with metal ions such as calcium and magnesiums
Soluble complex compound inhibits calciate and the generation of magnesate and is distributed in water react with iron ion to protect to be formed
Film achievees the purpose that anti-corrosion scale-deposit-preventing, plays a protective role for reverse osmosis filter membrane so that making the hardness of raw water reduces.
Embodiment two: as shown, the utility model discloses a kind of reverse osmosis element kit, including shell 4 and fixation
The water inlet cap 5 being mounted on shell further includes reverse osmosis filter core, and reverse osmosis filter core is mounted in shell 4, the reverse osmosis filter core
Specific structure referring to above-described embodiment one, since the present embodiment uses whole technical solutions of embodiment one, have
All beneficial effects brought by the technical solution of above-described embodiment, therefore no being repeated one by one.
Wherein, in the present embodiment, pure water pipe that the bottom of shell 4 is provided with waste pipe 41 and is connected to water purification channel 12
42, the lower end of central tube 1, which is protruded into, to be arranged in pure water pipe 42, and the lower end of central tube 1 is fixed with O-ring 14.In the structure, give up
Water pipe 41 is used to that the waste water without permeable membrane purification to be discharged, and pure water pipe 42 is connected to each other with central tube 1, is conducive to flow from water purification channel 12
Water out flows in pure water pipe 42, and the setting of O-ring 14 improves leakproofness, avoids water purification from central tube 1 and pure water pipe 42
Junction outflow.
In the present embodiment, the periphery of reverse osmosis membrane 2 is fixed with sealing ring 21, and sealing ring 21 is contacted with the inner sidewall of shell.
In the structure, the inner space of shell 4 is divided into mutually independent upper space and down space by the setting of sealing ring 21, to make original
Water is not easy to be seeped into down space.
In the present embodiment, multiple internal diameters gradually big water inlet pipe 51 is coaxially arranged at the center for cap 5 of intaking from inside to outside.
It is advantageous in that connect with the water pipe of different tube diameters.
Claims (10)
1. a kind of reverse osmosis filter core, described including the reverse osmosis membrane that central tube and winding are arranged on the central tube
The top of central tube has a concentrated water channel, and the lower part of the central tube has a water purification channel, it is characterised in that: described
Reverse osmosis filter core further includes the filter cartridge for being set in the central tube top, the filter cartridge by be fastened and connected up and down
One shell and second shell composition, the upper surface of the first shell offer inlet unit, under the second shell
Surface offers water unit, and forms an accommodating chamber, the appearance between the first shell and the second shell
Receive it is intracavitary be placed with antisludging agent, the water outlet being connected to the concentrated water channel is offered on the side wall on the central tube top
Mouthful, the water outlet is located at the top of the first shell.
2. a kind of reverse osmosis filter core according to claim 1, it is characterised in that: the first shell is provided centrally with
First pipe sleeve, the second shell are provided centrally with the second pipe sleeve, first pipe sleeve and the second pipe sleeve phase
Docking, the lower end of first pipe sleeve extend downward with first annular boss, and the upper end of second pipe sleeve is upward
Being extended has the second annular convex platform, the inner sidewall of the lateral wall of the first annular boss and second annular convex platform
It is in close contact.
3. a kind of reverse osmosis filter core according to claim 1, it is characterised in that: the periphery of the first shell is to downward
It stretches and is provided with the first drip ring, the periphery of the second shell, which upwardly extends, is provided with the second drip ring, the first gear
The lateral wall of the inner sidewall of water ring and second drip ring is in close contact.
4. a kind of reverse osmosis filter core according to claim 2, it is characterised in that: the inlet unit includes multilayer along institute
The inlet opening of the axial direction setting for the first pipe sleeve stated is enclosed, and the circle of inlet opening described in each layer is by multiple circumferentially uniform
The inlet opening of distribution forms, and the water inlet area of the inlet opening is incremented by from the inside to the outside.
5. a kind of reverse osmosis filter core according to claim 2, it is characterised in that: the water unit includes multilayer along institute
The apopore circle of the axial direction setting for the second pipe sleeve stated, apopore circle described in each layer by it is multiple circumferentially uniformly
The apopore of distribution forms, and the water-outlet area of the apopore is incremented by from the inside to the outside.
6. a kind of reverse osmosis filter core according to claim 1, it is characterised in that: the antisludging agent is Si-P crystal.
7. a kind of reverse osmosis element kit, including shell and the water inlet cap being fixedly mounted on the shell, feature exists
In: it further include the reverse osmosis filter core as described in any claim of claim 1-6, the reverse osmosis filter core is mounted on the shell
In vivo.
8. a kind of reverse osmosis element kit according to claim 7, it is characterised in that: the bottom of the shell is provided with
Waste pipe and the pure water pipe being connected to the water purification channel, the lower end of the central tube, which is protruded into, is arranged in the pure water pipe
The lower end of interior and described central tube is fixed with O-ring.
9. a kind of reverse osmosis element kit according to claim 7, it is characterised in that: the periphery of the reverse osmosis membrane is solid
Surely there is sealing ring, the sealing ring is contacted with the inner sidewall of the shell.
10. a kind of reverse osmosis element kit according to claim 7, it is characterised in that: the center of the water inlet cap
Place is coaxially arranged with multiple internal diameters gradually big water inlet pipe from inside to outside.
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CN201920039331.4U CN209501376U (en) | 2019-01-10 | 2019-01-10 | A kind of reverse osmosis filter core and reverse osmosis element kit |
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CN201920039331.4U CN209501376U (en) | 2019-01-10 | 2019-01-10 | A kind of reverse osmosis filter core and reverse osmosis element kit |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110721590A (en) * | 2019-10-24 | 2020-01-24 | 江门联福广科新材料科技有限公司 | RO membrane filter |
CN112957916A (en) * | 2021-04-14 | 2021-06-15 | 开能健康科技集团股份有限公司 | Reverse osmosis membrane module, reverse osmosis filter core and purifier |
-
2019
- 2019-01-10 CN CN201920039331.4U patent/CN209501376U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110721590A (en) * | 2019-10-24 | 2020-01-24 | 江门联福广科新材料科技有限公司 | RO membrane filter |
CN112957916A (en) * | 2021-04-14 | 2021-06-15 | 开能健康科技集团股份有限公司 | Reverse osmosis membrane module, reverse osmosis filter core and purifier |
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