CN208660831U - Full effect reverse-osmosis membrane element and water purification machine - Google Patents
Full effect reverse-osmosis membrane element and water purification machine Download PDFInfo
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- CN208660831U CN208660831U CN201820770804.3U CN201820770804U CN208660831U CN 208660831 U CN208660831 U CN 208660831U CN 201820770804 U CN201820770804 U CN 201820770804U CN 208660831 U CN208660831 U CN 208660831U
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- osmosis membrane
- water
- reverse osmosis
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Abstract
The utility model belongs to purifier technical field, more particularly to a kind of effect reverse-osmosis membrane element and water purification machine entirely, full effect reverse-osmosis membrane element includes central tube and reverse osmosis membrane, the hole wall of central tube offers several inlet openings, reverse osmosis membrane doubling is rolled on central tube, raw water runner is formed between the front formed after reverse osmosis membrane doubling, raw water runner is formed with the first raw water inlet, reverse osmosis membrane both sides of the edge are sealed with the first water proof band and the second water proof band respectively, first water proof band extends to central tube along the one side edge of reverse osmosis membrane and is arranged with central tube interval and forms concentrated water water outlet, second water proof band extends to central tube along another side edge of reverse osmosis membrane and is arranged with central tube interval and forms the second raw water inlet.Raw water can flow into raw water channel from the second raw water inlet, eliminate the dead angle of raw water runner, improve the flow velocity of raw water, high flow rate raw water can effectively wash away the fouling on reverse osmosis membrane surface, extend the service life of reverse osmosis membrane.
Description
Technical field
The utility model belongs to purifier technical field, more particularly to a kind of full effect reverse-osmosis membrane element and water purification machine.
Background technique
Reverse osmosis membrane can effectively filter out the semi-permeable membrane of dissolved salts, colloid, microorganism and organic matter net as one kind
Wetting system has a wide range of applications in field.In the existing water purification element for being provided with reverse osmosis membrane, generally comprised water pipe and
Wound on the reverse osmosis membrane crossed on water pipe, when filtering, raw water is flowed into from the one end for crossing water pipe and is infiltrated into from raw water from water pipe is crossed
To realize filtering at reverse osmosis membrane.
However, since raw water is flowed and is infiltrated at reverse osmosis membrane, such one along the central axial direction for crossing water pipe
It is shorter with the time of contact of reverse osmosis membrane for aspect, and the runner of another aspect raw water is wider to cause its flow velocity relatively slow, this is resulted in
It easily forms concentration polarization on the surface of reverse osmosis membrane, so that the surface scale of reverse osmosis membrane, and during the filtration process, closer to
The influent density on the reverse osmosis membrane surface of concentrated water outlet end is higher, also more serious in the salt crust that reverse osmosis membrane surface is formed, such as
This will lead to the reduced service life for the water purification element for being provided with reverse osmosis membrane.
Utility model content
The purpose of this utility model is to provide a kind of full effect reverse-osmosis membrane element and water purification machines, it is intended to solve the prior art
In the easy fouling in reverse osmosis membrane surface so that cause the technology of the reduced service life for the water purification element for being provided with reverse osmosis membrane to be asked
Topic.
The full effect reverse-osmosis membrane element of one kind that in order to achieve the above purposes, the technical solution adopted by the utility model is:, including in
Heart pipe and reverse osmosis membrane, the hole wall of the central tube offer several inlet openings, length of each inlet opening along the central tube
It spends direction to lay, the reverse osmosis membrane doubling is rolled on the central tube and being covered in each inlet opening, described reverse osmosis
Raw water runner is formed between the front formed after film doubling, and the raw water runner is formed with away from the side of the central tube
First raw water inlet, the reverse osmosis membrane adjacent to the opposite sides edge of the central tube be sealed with respectively the first water proof band and
Second water proof band, the first water proof band extend simultaneously along the first end of one side edge towards the central tube of the reverse osmosis membrane
It is arranged to form concentrated water water outlet with the central tube interval, another side edge court of the second water proof band along the reverse osmosis membrane
Extend to the second end of the central tube and be arranged to form the second raw water inlet with the central tube interval, first raw water enters
Mouth, second raw water inlet and the concentrated water water outlet are connected with the raw water runner.
Further, pure water runner, the pure water runner are formed between the reverse side formed after the reverse osmosis membrane doubling
It is connected with each inlet opening.
Further, the first water proof band and the second water proof band are adhesive waterproof tape.
Further, the water inlet flow-guiding screen for guiding raw water to circulate is provided in the raw water runner, the water inlet is led
Two relative edge's edge of drift net are connected with the first water proof band and the second water proof band respectively.
Further, the pure water flow-guiding screen for guiding pure water to circulate is provided in the pure water runner.
Further, the state of the reverse osmosis membrane drawout is rectangle, the first water proof band and described second every
Water band is packaged on two long sides of the reverse osmosis membrane respectively, and a short side of the reverse osmosis membrane is attached at the outer of the central tube
Two relative edge's edge of wall, the pure water flow-guiding screen are connected with two long sides of the reverse osmosis membrane respectively.
Further, the exit orifice perimeter of the concentrated water water outlet be greater than the reverse osmosis membrane long side length 5% and it is small
In the bond length of the reverse osmosis membrane.
Further, the 5%~50% of the long side length of reverse osmosis membrane described in the exit orifice Zhou Changwei of the concentrated water water outlet.
Further, the 0.1% of the long side length of reverse osmosis membrane described in the exit orifice Zhou Changwei of second raw water inlet~
5%.
The utility model has the beneficial effects that the full effect reverse-osmosis membrane element of the utility model, former when being filtered to raw water
Water can be flowed into the raw water runner between reverse osmosis membrane front from the first raw water inlet, and the presence of the first raw water inlet also extends
Raw water runner, improves pure water recovery rate, and raw water realizes filtering, mistake by reverse osmosis membrane during raw water runner circulates
The pure water formed after filter can be then flowed into central tube by each inlet opening and be flowed out from central tube, not pass through the original of reverse osmosis membrane
Water can then be discharged from concentrated water water outlet.And since the second end of central tube is formed about the second additional raw water inlet, in this way
A part of raw water can flow into raw water channel from the second raw water inlet along the axis direction of central tube, eliminate raw water in raw water
The dead angle flowed in runner enables the corner of raw water runner Central Plains water flowing difference to have raw water to be supplemented in and to increase
Mobility at this, and then significantly alleviate the dead angle scale formation flowed in raw water runner.On the other hand the first raw water inlet
Presence with the second raw water inlet is but also the raw water entered in raw water runner significantly increases, and from the second raw water inlet
Raw water into raw water runner has impacted from the first raw water inlet and flows into the flow direction of the raw water of raw water runner, so that
Raw water in raw water runner shows Turbulent Flow on the whole, so just improves the flow velocity of raw water, and then be effectively offset reverse osmosis
The raw water retention phenomenon occurred at the polarization boundary layer of permeable membrane and raw water contact position, the raw water of such high flow rate just can be rushed effectively
The fouling on reverse osmosis membrane surface is brushed off, to extend the service life of reverse osmosis membrane.
The utility model use another solution is that a kind of water purification machine, includes the above-mentioned reverse osmosis membrane element of effect entirely
Part.
Water purification machine due to the utility model is using there is above-mentioned full effect reverse-osmosis membrane element, then having benefited from imitating reverse osmosis entirely
The setting of the double raw water inlets of membrane element, raw water are promoted relative to the flow velocity of reverse osmosis membrane, the surface of such reverse osmosis membrane
Just less scaling, cleaning frequently is changed so as to avoid reverse osmosis membrane, extends the service life of reverse osmosis membrane, and then also protect
The long-time service stability of water purification machine is demonstrate,proved.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of full effect reverse-osmosis membrane element provided by the embodiment of the utility model；
Fig. 2 is another structural schematic diagram of full effect reverse-osmosis membrane element provided by the embodiment of the utility model.
Wherein, each appended drawing reference in figure:
10-11-inlet opening of central tube, 20-reverse osmosis membranes
21-the first water proof band the 22-the second water proof the 23-the first raw water inlet of band
24-the 25-the second raw water inlets of concentrated water water outlet.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining the description of attached drawing 1~2 is exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this
Novel limitation.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Fig. 1~2, a kind of full effect reverse-osmosis membrane element provided by the embodiment of the utility model, including central tube 10
With reverse osmosis membrane 20, the hole wall of central tube 10 offers several inlet openings 11, length direction of each inlet opening 11 along central tube 10
It lays, 20 doubling of reverse osmosis membrane is rolled on central tube 10 and being covered in each inlet opening 11, is formed after 20 doubling of reverse osmosis membrane
Raw water runner (not shown) is formed between front, and raw water runner is formed with the first raw water inlet away from the side of central tube 10
23, reverse osmosis membrane 20 is sealed with the first water proof band 21 and the second water proof band adjacent to the opposite sides edge of central tube 10 respectively
22, the first water proof band 21 extends along the first end of one side edge towards the central tube 10 of reverse osmosis membrane 20 and is spaced with central tube 10
Setting forms concentrated water water outlet 24, the second water proof band 22 along reverse osmosis membrane 20 another side edge towards central tube 10 second end
Extend and be spaced setting with central tube 10 and forms the second raw water inlet 25, the first raw water inlet 23, the second raw water inlet 25 and dense
Water water outlet 24 is connected with raw water runner.
The full effect reverse-osmosis membrane element of the utility model, when being filtered to raw water, raw water can be from the first raw water inlet 23
It is flowed into the raw water runner between 20 front of reverse osmosis membrane, and the presence of the first raw water inlet 23 also extends raw water runner,
Improve pure water recovery rate.Raw water realizes filtering by reverse osmosis membrane 20 during raw water runner circulates, and is formed after filtering
Pure water can be then flowed into central tube 10 by each inlet opening 11 and be flowed out from central tube 10, not by the original of reverse osmosis membrane 20
Water can then be discharged from concentrated water water outlet 24.And since the second end of central tube 10 is formed about the second additional raw water inlet
25, raw water a part of in this way can flow into raw water channel from the second raw water inlet 25 along the axis direction of central tube 10, a side
Face eliminates the dead angle that raw water flows in raw water runner, and the corner of raw water runner Central Plains water flowing difference is enabled to have original
Water, which is supplemented in, to increase the mobility at this, and then significantly alleviates the dead angle scale formation flowed in raw water runner.Separately
On the one hand the presence of the first raw water inlet 23 and the second raw water inlet 25 is but also the raw water entered in raw water runner significantly increases
It is more, and the raw water for entering from the second raw water inlet 25 raw water runner has impacted and has flowed into raw water stream from the first raw water inlet 23
The flow direction of the raw water in road so just improves original so that the raw water in raw water runner shows Turbulent Flow on the whole
The flow velocity of water, and then it is existing to be effectively offset the raw water retention occurred at the polarization boundary layer of reverse osmosis membrane 20 and raw water contact position
As the raw water of such high flow rate just can effectively wash away the fouling on 20 surface of reverse osmosis membrane, to extend reverse osmosis membrane 20
Service life.
In the present embodiment, as shown in Fig. 1~2, stream of pure water is formed between the reverse side that is formed after 20 doubling of reverse osmosis membrane
Road (not shown), pure water runner are connected with each inlet opening 11.Specifically, anti-by to be formed after 20 doubling of reverse osmosis membrane
It is formed with pure water runner between face, and pure water runner is connected with each inlet opening 11, circulates in raw water runner in this way
Raw water can during circulation by reverse osmosis membrane 20 filter after enters in pure water runner, due to pure water runner with respectively into
Water hole 11 is connected, and such pure water can enter in central tube 10 by pure water channel and from each inlet opening 11, then by center
Pipe 10 is exported to extraneous watering equipment.
Further, the spacing distance between the first water proof band 21 and central tube 10 is greater than the second water proof band 22 and central tube
Spacing distance between 10.Since the spacing distance between the first water proof band 21 and central tube 10 is greater than the second water proof band 22 in
Spacing distance between heart pipe 10, then this also means that being formed by after being wound in central tube 10 in the first water proof band 21 dense
The outer aperture of water water outlet 24 is greater than the second water proof band 22 and is formed by the second raw water inlet 25 after being wound in central tube 10
Outer aperture just ensure that filtering is formed by concentrated water after the completion and can more be smoothly discharged in 20 element of reverse osmosis membrane in this way
Outside.
In the present embodiment, as shown in Fig. 1~2, the first water proof band 21 and the second water proof band 22 are adhesive waterproof tape.Specifically
Ground, since the first water proof band 21 and the second water proof band 22 are adhesive waterproof tape, such first water proof band 21 and the second water proof band 22
Just have good water-resisting property and cementability, so on the one hand realize the first water proof band 21 and original is isolated in the second water proof band 22
The function of water, on the other hand but also the first water proof band 21 and the second water proof band 22 can firmly be packaged on 20 phase of reverse osmosis membrane
Adjacent to the opposite sides edge of central tube 10.
In the present embodiment, as shown in Fig. 1~2, the water inlet water conservancy diversion for guiding raw water to circulate is provided in raw water runner
Two relative edge's edge of net (not shown), water inlet flow-guiding screen are connected with the first water proof band 21 and the second water proof band 22 respectively.Specifically
Ground, due to the presence of water inlet flow-guiding screen, and two relative edge's edge of water inlet flow-guiding screen respectively with the first water proof band 21 and the second water proof
Band 22 is connected, and such water inlet flow-guiding screen can realize water conservancy diversion to the raw water entered in raw water runner, and due to water conservancy diversion of intaking
The reticular structure of net, raw water just can more connect with reverse osmosis membrane 20 in the circulation process under the water conservancy diversion of water inlet flow-guiding screen
Touching, to be conducive to the filtering that more raw waters pass through reverse osmosis membrane 20, to be changed into pure water.
In the present embodiment, as shown in Fig. 1~2, the pure water water conservancy diversion for guiding pure water to circulate is provided in pure water runner
Net (not shown).Specifically, due to the presence of pure water flow-guiding screen, such pure water flow-guiding screen can be to entering in pure water runner
Pure water realizes water conservancy diversion, so that circulation of the pure water in pure water runner is more smoothly.
In the present embodiment, as shown in Fig. 1~2, reverse osmosis membrane 20 is sprawled open state and is rectangle, 21 He of the first water proof band
Second water proof band 22 distinguishes two long sides of sealing-in reverse osmosis membrane 20, and a short side of reverse osmosis membrane 20 is attached at the outer of central tube 10
Two relative edge's edge of wall, pure water flow-guiding screen are connected with two long sides of reverse osmosis membrane respectively.Specifically, by making reverse osmosis membrane
20, which sprawl open state, is rectangle, and the first water proof band 21 and the second water proof band 22 are packaged on two length of reverse osmosis membrane 20 respectively
Side is just equivalent to extends raw water runner as far as possible in this way so that raw water raw water runner circulate during as much as possible
It is contacted with reverse osmosis membrane 20, and then is more changed into pure water.
In the present embodiment, as shown in Fig. 1~2, the exit orifice perimeter of concentrated water water outlet 24 is greater than the long side of reverse osmosis membrane 20
Length 5% and be less than reverse osmosis membrane 20 bond length.Specifically, by being greater than the exit orifice perimeter of concentrated water water outlet 24
The long side length of reverse osmosis membrane 20 5% and be less than reverse osmosis membrane 20 bond length, just further ensure that concentrated water in this way
The exit orifice aperture of water outlet 24 is sufficiently large, to be conducive to the efficient discharge that raw water is formed by concentrated water after filtration.
In the present embodiment, the 5%~50% of the long side length of the exit orifice Zhou Changwei reverse osmosis membrane 20 of concentrated water water outlet 24.
Specifically, the exit orifice perimeter of concentrated water water outlet 24 can for reverse osmosis membrane 20 long side length 5%, 10%, 15%, 20%,
25%, 30%, 35%, 40%, 45% or 50%.By being reverse osmosis membrane 20 by the exit orifice perimeter limitation of concentrated water water outlet 24
The 5%~50% of long side length.The size that just more precisely ensure that concentrated water water outlet 24 in this way, on the one hand enables concentrated water
It is enough efficiently discharged by concentrated water water outlet 24, on the other hand also limits the size of concentrated water water outlet 24, avoid concentrated water and go out
The mouth of a river 24 is excessive and raw water is caused to ensure that raw water converts without sufficiently filtering the phenomenon that passing through concentrated water water outlet 24 generation
For the conversion ratio of pure water.
In the present embodiment, the 0.1% of the long side length of the exit orifice Zhou Changwei reverse osmosis membrane 20 of the second raw water inlet 25~
5%.Specifically, the exit orifice perimeter of the second raw water inlet 25 can for reverse osmosis membrane 20 long side length 0.1%, 0.5%,
1.0%, 1.5%, 2.0%, 2.5%, 3.0%, 3.5%, 4.0%, 4.5% or 5.0%.In this way, also ensuring the second raw water
Entrance 25 is sufficiently large as auxiliary water inlet, to ensure that the raw water amount entered in the unit time in raw water runner, has
Effect improves the flow velocity of raw water.
The utility model embodiment additionally provides a kind of water purification machine, includes above-mentioned full effect reverse-osmosis membrane element.
Water purification machine due to the utility model is using there is above-mentioned full effect reverse-osmosis membrane element, then having benefited from imitating reverse osmosis entirely
The setting of the double raw water inlets of membrane element, raw water are promoted relative to the flow velocity of reverse osmosis membrane 20, such reverse osmosis membrane 20
Surface is just less scaling, frequently changes cleaning so as to avoid reverse osmosis membrane 20, extends the service life of reverse osmosis membrane 20,
And then also ensure the long-time service stability of water purification machine.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. a kind of full effect reverse-osmosis membrane element, it is characterised in that: including central tube and reverse osmosis membrane, the hole wall of the central tube is opened
Equipped with several inlet openings, each inlet opening along the central tube length direction lay, the reverse osmosis membrane doubling roll in
On the central tube and it is covered in each inlet opening, is formed with raw water stream between the front formed after the reverse osmosis membrane doubling
Road, and the raw water runner is formed with the first raw water inlet away from the side of the central tube, the reverse osmosis membrane is adjacent to institute
The opposite sides edge for stating central tube is sealed with the first water proof band and the second water proof band respectively, and the first water proof band is along described anti-
The first end of the one side edge of permeable membrane towards the central tube extends and is arranged to form concentrated water water outlet with the central tube interval
Mouthful, the second water proof band along the reverse osmosis membrane another side edge towards the central tube second end extend and with it is described
Central tube interval is arranged to form the second raw water inlet, and first raw water inlet, second raw water inlet and the concentrated water go out
The mouth of a river is connected with the raw water runner.
2. full effect reverse-osmosis membrane element according to claim 1, it is characterised in that: formed after the reverse osmosis membrane doubling
Pure water runner is formed between reverse side, the pure water runner is connected with each inlet opening.
3. full effect reverse-osmosis membrane element according to claim 1, it is characterised in that: the first water proof band and described second
Water proof band is adhesive waterproof tape.
4. full effect reverse-osmosis membrane element according to claim 1, it is characterised in that: be provided with and be used in the raw water runner
Guide the water inlet flow-guiding screen of raw water circulation, two relative edge's edge of the water inlet flow-guiding screen respectively with the first water proof band and described
Second water proof band is connected.
5. full effect reverse-osmosis membrane element according to claim 2, it is characterised in that: be provided with and be used in the pure water runner
Guide the pure water flow-guiding screen of pure water circulation.
6. full effect reverse-osmosis membrane element according to claim 5, it is characterised in that: the state of the reverse osmosis membrane drawout
It is rectangle, the first water proof band and the second water proof band are packaged on two long sides of the reverse osmosis membrane respectively, described anti-
One short side of permeable membrane is attached at the outer wall of the central tube, two relative edge's edge of the pure water flow-guiding screen respectively with the reverse osmosis
Two long sides of permeable membrane are connected.
7. described in any item full effect reverse-osmosis membrane elements according to claim 1~5, it is characterised in that: the concentrated water water outlet
Exit orifice perimeter be greater than the reverse osmosis membrane long side length 5% and be less than the reverse osmosis membrane bond length.
8. described in any item full effect reverse-osmosis membrane elements according to claim 1~5, it is characterised in that: the concentrated water water outlet
Exit orifice Zhou Changwei described in reverse osmosis membrane long side length 5%~50%.
9. described in any item full effect reverse-osmosis membrane elements according to claim 1~5, it is characterised in that: second raw water enters
The 0.1%~5% of the long side length of reverse osmosis membrane described in the exit orifice Zhou Changwei of mouth.
10. a kind of water purification machine, it is characterised in that: include full effect reverse-osmosis membrane element according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820770804.3U CN208660831U (en) | 2018-05-22 | 2018-05-22 | Full effect reverse-osmosis membrane element and water purification machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820770804.3U CN208660831U (en) | 2018-05-22 | 2018-05-22 | Full effect reverse-osmosis membrane element and water purification machine |
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| CN208660831U true CN208660831U (en) | 2019-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114288860A (en) * | 2021-12-08 | 2022-04-08 | 深圳市超纯环保股份有限公司 | Reverse osmosis membrane element and purification system |
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2018
- 2018-05-22 CN CN201820770804.3U patent/CN208660831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114288860A (en) * | 2021-12-08 | 2022-04-08 | 深圳市超纯环保股份有限公司 | Reverse osmosis membrane element and purification system |
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