CN105233693A - Water purifier and reverse osmosis membrane element thereof - Google Patents
Water purifier and reverse osmosis membrane element thereof Download PDFInfo
- Publication number
- CN105233693A CN105233693A CN201510777558.5A CN201510777558A CN105233693A CN 105233693 A CN105233693 A CN 105233693A CN 201510777558 A CN201510777558 A CN 201510777558A CN 105233693 A CN105233693 A CN 105233693A
- Authority
- CN
- China
- Prior art keywords
- water
- osmosis membrane
- water inlet
- membrane element
- reverse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a reverse osmosis membrane element which comprises an inlet water filter mesh, a reverse osmosis membrane and a pure water diversion cloth which are overlapped and wound on a central water producing pipe; the inlet water filter mesh is provided with channel grids formed by weaving wire warps of different thicknesses, and the thickness of the channel grids, close to the water producing end, of the inlet water filter mesh is no smaller than that of the channel grids, close to the water inlet end, of the inlet water filter mesh. The thickness of the channel grids, close to the water producing end, of the inlet water filter mesh is arranged to be no smaller than that of the channel grids, close to the water inlet end, of the inlet water filter mesh, so that the anti-pollution capacity of the water producing end is improved. During work, when raw water passes through the inlet water filter mesh, due to the fact that the thicknesses of the wire warps are different, a turbulent flow is prone to being formed, the impelling force of solute transfer and the mass transfer effect are improved, and the separation efficiency of the reverse osmosis membrane is improved; due to the fact that the turbulent flow is formed after the raw water enters the inlet water filter mesh, pollutant sediment can be prevented, the concentration polarization is reduced, the anti-pollution performance of the membrane is improved, and the life of the reverse osmosis membrane element is prolonged. The invention further discloses a water purifier with the reverse osmosis membrane element.
Description
Technical field
The present invention relates to drink water purifying technical field, in particular, relate to a kind of water purifier and reverse-osmosis membrane element thereof.
Background technology
Household reverse osmosis membrane component utilizes super static pressure pump to produce high-pressure osmosis, make the mineral matter element of hydrone and ionic state by counter-infiltration diaphragm, be dissolved in the most heavy metals in water, organic matter and bacterium, virus etc. to be then trapped through reverse osmosis membrane, with reverse osmosis principle, by the material that foreign body contained in water is detrimental to health as pyrogen, filterable virus, bacterium, toxin, compound, heavy metal (arsenic, cobalt, cadmium, mercury etc.) noxious material, metal, salt, free son etc.Counter-infiltration diaphragm makes impurity and pure water isolate, and produces purified water for drinking.
At present conventional coiled reverse osmosis membrane element is mainly wrapped in center water producing pipe is tightly connected forms being superposed the water purification diaphragm group formed by water inlet filter, reverse osmosis membrane, pure water flow-guiding cloth, wherein, the product water flow passage of reverse-osmosis membrane element is perpendicular to the direction of the axis of center water producing pipe, and the runner for connecting water inlet end and producing water end (W.E.) is parallel to the axis direction of center water producing pipe.During work, pending water is entered the dense water of water inlet flow channel after treatment containing impurity by water inlet end and is discharged from product water end (W.E.) by concentrated stream road.
Because the concentration of the dense water of the product water end (W.E.) of reverse-osmosis membrane element is large compared with water inlet end concentration, and the inflow producing water end (W.E.) is less than the inflow of water inlet end, comparatively water inlet end is serious to make to produce water end (W.E.) face concentration polarization phenomenon, cause membrane module to pollute to accelerate, make performance degradation, the deteriorating water quality of purification, service life reduces.
Therefore, how improving reverse-osmosis membrane element contamination resistance, to extend the service life of reverse-osmosis membrane element, is the current technical issues that need to address of those skilled in the art.
Summary of the invention
In view of this, the invention provides a kind of reverse-osmosis membrane element, improve reverse-osmosis membrane element contamination resistance, to extend the service life of reverse-osmosis membrane element.Present invention also offers a kind of water purifier with above-mentioned reverse-osmosis membrane element.
For achieving the above object, the invention provides following technical scheme:
A kind of reverse-osmosis membrane element, comprise the water inlet filter of superposition winding on the water producing pipe of center, reverse osmosis membrane and pure water flow-guiding cloth, wherein, described water inlet filter has the grid being woven the runner formed by the string diameter of thickness, and described water inlet filter is not less than the thickness of described water inlet filter near the runner grid of water inlet end near the thickness of the runner grid producing water end (W.E.).
Preferably, in above-mentioned reverse-osmosis membrane element, the gate thickness of described water inlet filter be by the water inlet end of described water inlet filter to the product water end (W.E.) of described water inlet filter by increase.
Preferably, in above-mentioned reverse-osmosis membrane element, the described water inlet filter winding that thickness increases gradually rear water end (W.E.) that produces on the water producing pipe of described center is not more than 30 ° relative to the angle of inclination of described water inlet end.
Preferably, in above-mentioned reverse-osmosis membrane element, described water inlet filter is by the filter of the first string diameter layout alternate with the second string diameter, and the thickness of described first string diameter is greater than the thickness of described second string diameter.
Preferably, in above-mentioned reverse-osmosis membrane element, the thickness of described first string diameter is 1.2-2 times of the thickness of described second string diameter.
A kind of water purifier, comprise reverse-osmosis membrane element, wherein, described reverse-osmosis membrane element is the reverse-osmosis membrane element as described in above-mentioned any one.
Known via above-mentioned technical scheme, the invention discloses a kind of reverse-osmosis membrane element, comprise into water filter, reverse osmosis membrane and pure water flow-guiding cloth superposition winding on the water producing pipe of center, wherein, water inlet filter has the grid weave runner formed by the string diameter that thickness is different, and the thickness of the runner grid of water inlet filter close product water end (W.E.) is not less than into the thickness of water filter near the runner grid of water inlet end.In the application, water inlet filter is woven by the string diameter that thickness is different, the thickness of string diameter can be selected according to actual needs, to meet the requirement of gate thickness.Water inlet filter is set to be not less than into the thickness of water filter near the runner grid of water inlet end near the thickness of runner grid producing water end (W.E.), can improves and produce the resistant to pollution ability of water end (W.E.).During work, former water is passing through this water inlet filter, because silk is different through thickness, easy formation turbulent flow, accelerates motive force and the mass transfer effect of solute transmission, improves counter-infiltration membrane separation efficiency, simultaneously former water after this water inlet filter, form turbulent flow can preventing pollution thing deposition, alleviate concentration polarization, improve the resistance tocrocking of film, extend the life-span of reverse-osmosis membrane element.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of the reverse-osmosis membrane element that Fig. 1 provides for the embodiment of the present invention;
The schematic diagram that Fig. 2 arranges for the reverse-osmosis membrane element runner that the embodiment of the present invention provides;
The structural representation of the water inlet filter of the gradual change that Fig. 3 provides for the embodiment of the present invention;
The structural representation at the reverse-osmosis membrane element angle of inclination that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the water inlet filter of the alternate layout of different-thickness string diameter that Fig. 5 provides for the embodiment of the present invention.
Detailed description of the invention
Core of the present invention is to provide a kind of reverse-osmosis membrane element, improves reverse-osmosis membrane element contamination resistance, to extend the service life of reverse-osmosis membrane element.Another core of the present invention is to provide a kind of water purifier with above-mentioned reverse-osmosis membrane element.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As Figure 1-Figure 5, the invention discloses a kind of reverse-osmosis membrane element, comprise into water filter 2, reverse osmosis membrane 3 and pure water flow-guiding cloth 4, and all superpose winding on center water producing pipe 1, wherein, water inlet filter 2 has the grid being woven the runner formed by the string diameter that thickness is different, and water inlet filter 2 is not less than into the thickness of water filter 2 near the runner grid of water inlet end 6 near the thickness of the runner grid producing water end (W.E.) 7, the product water flow passage 5 of reverse-osmosis membrane element is perpendicular to the direction of the axis of center water producing pipe 1, and the runner for connecting water inlet end 6 and product water end (W.E.) 7 is parallel to the axis direction of center water producing pipe.In the application, water inlet filter 2 is woven by the string diameter that thickness is different, the thickness of string diameter can be selected according to actual needs, to meet the requirement of gate thickness.Water inlet filter 2 is set to be not less than into the thickness of water filter 2 near the runner grid of water inlet end 6 near the thickness of the runner grid producing water end (W.E.) 7, can improves and produce the resistant to pollution ability of water end (W.E.).During work, former water is when through this water inlet filter 2, because silk is different through thickness, easy formation turbulent flow, accelerates motive force and the mass transfer effect of solute transmission, improves counter-infiltration membrane separation efficiency, simultaneously former water after this water inlet filter, form turbulent flow can preventing pollution thing deposition, alleviate concentration polarization, improve the resistance tocrocking of film, extend the life-span of reverse-osmosis membrane element.
The gate thickness of filter 2 of intaking disclosed in the application is increased gradually by the product water end (W.E.) 7 of the water inlet end 6 of water inlet filter 2 to water inlet filter 2, and the thickness of the string diameter of the water inlet filter 2 namely in the application is the structure of gradual change.During installation, the water inlet thicker side of filter 2 is placed on the product water side of reverse-osmosis membrane element, thinner side is placed on the influent side of reverse-osmosis membrane element, places pure water flow-guiding cloth 4 between two panels reverse osmosis membrane 3, and reverse osmosis membrane 3 twists on central tube 1 together with pure water flow-guiding cloth 4 with water inlet filter 2.The web thickness in the application, water inlet filter 2 being produced water end (W.E.) 7 is set to comparatively large, and improve the overall inflow of membrane module, whole assembly inflow is evenly distributed.Alleviate face concentration polarization phenomenon simultaneously, solve the with serious pollution phenomenon of the dense water end (W.E.) of filter core, improve the aquifer yield of filter core and produce water water quality, while improving filter core performance, extending the life-span of filter core.
Due to the web thickness gradual change of filter 2 of intaking, make, after this water inlet filter 2 winding is on center water producing pipe 1, the thickness of product water end (W.E.) 7 can be made thick compared with the thickness of water inlet end 6, make reverse-osmosis membrane element become the structure of taper.In order to ensure normally using and installing of reverse-osmosis membrane element, in the application, the product water end (W.E.) 7 being arranged with the water inlet filter 2 of the grid of gradual change is set to be not more than 30 ° relative to the angle of inclination δ of water inlet end 6.
In another embodiment, water inlet filter 2 is set to by the filter of the first string diameter layout alternate with the second string diameter, and the thickness of the first string diameter is greater than the thickness of the second string diameter.Due to the first string diameter layout alternate with the second string diameter, the thickness of the runner of formation can be made different, easily form turbulent flow, accelerate motive force and the mass transfer effect of solute transmission, improve membrane separation efficiency.In practice, be not limited in the mode of the first string diameter layout alternate with the second string diameter, also can be combined by the string diameter of multiple different size, different to ensure the thickness of runner.Preferably in embodiment, string diameter circular wire can be set to, in addition, also string diameter difformity can be set to, such as rectangle.
In the application by spacing for the thickness of the first string diameter be the thickness of the second string diameter 1.2-2 doubly, to ensure the intensity of whole water inlet filter 2.Concrete size for the first string diameter and the second string diameter then needs to select according to actual needs, and all in protection domain.When the kind of string diameter is not limited to two kinds, then also needs the intensity considering whole water inlet filter 2, avoid the damage into water filter 2.
Reverse-osmosis membrane element disclosed by the invention, core point uses the water inlet filter 2 of the water inlet filter 2 of gradient thickness or the braiding of irregular silk can increase reverse-osmosis membrane element concentrated stream road thickness, make former water distribution evenly or form turbulent flow, alleviate reverse-osmosis membrane element and produce water end (W.E.) 7 concentration polarization phenomenon, improve aquifer yield and produce water water quality, the resistance tocrocking of filter core improves, life.
In addition, disclosed herein as well is a kind of water purifier, it comprises reverse-osmosis membrane element, and wherein, this reverse-osmosis membrane element is such as reverse-osmosis membrane element disclosed in above-described embodiment, and therefore, the water purifier with this reverse-osmosis membrane element also has above-mentioned technique effect.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a reverse-osmosis membrane element, comprise the water inlet filter (2) of superposition winding on center water producing pipe (1), reverse osmosis membrane (3) and pure water flow-guiding cloth (4), it is characterized in that, described water inlet filter (2) has the grid being woven the runner formed by the string diameter of thickness, and described water inlet filter (2) is not less than the thickness of described water inlet filter (2) near the runner grid of water inlet end (6) near the thickness of the runner grid producing water end (W.E.) (7).
2. reverse-osmosis membrane element according to claim 1, it is characterized in that, the gate thickness of described water inlet filter (2) be by the water inlet end (6) of described water inlet filter (2) to the product water end (W.E.) (7) of described water inlet filter (2) by increase.
3. reverse-osmosis membrane element according to claim 2, it is characterized in that, described water inlet filter (2) winding that thickness increases gradually is produced water end (W.E.) (7) and is not more than 30 ° relative to the angle of inclination of described water inlet end (6) after described center water producing pipe (1) is upper.
4. reverse-osmosis membrane element according to claim 1, is characterized in that, described water inlet filter (2) is by the filter of the first string diameter layout alternate with the second string diameter, and the thickness of described first string diameter is greater than the thickness of described second string diameter.
5. reverse-osmosis membrane element according to claim 4, is characterized in that, the thickness of described first string diameter is 1.2-2 times of the thickness of described second string diameter.
6. a water purifier, comprises reverse-osmosis membrane element, it is characterized in that, described reverse-osmosis membrane element is the reverse-osmosis membrane element as described in any one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510777558.5A CN105233693B (en) | 2015-11-13 | 2015-11-13 | A kind of water purifier and its reverse-osmosis membrane element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510777558.5A CN105233693B (en) | 2015-11-13 | 2015-11-13 | A kind of water purifier and its reverse-osmosis membrane element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105233693A true CN105233693A (en) | 2016-01-13 |
| CN105233693B CN105233693B (en) | 2018-01-16 |
Family
ID=55031665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510777558.5A Active CN105233693B (en) | 2015-11-13 | 2015-11-13 | A kind of water purifier and its reverse-osmosis membrane element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105233693B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076123A (en) * | 2016-08-22 | 2016-11-09 | 厦门建霖工业有限公司 | A kind of big flow long-life coiled reverse osmosis membrane element |
| CN108421415A (en) * | 2018-05-16 | 2018-08-21 | 南京帝膜净水材料开发有限公司 | A kind of wound membrane element |
| CN108970191A (en) * | 2018-08-09 | 2018-12-11 | 珠海格力电器股份有限公司 | A kind of water inlet filter, reverse-osmosis membrane element and water purifier |
| CN109621728A (en) * | 2018-12-07 | 2019-04-16 | 天津碧水源膜材料有限公司 | A kind of concentrated water runner cloth reducing coiled reverse osmosis membrane element pollution |
| CN110975631A (en) * | 2019-12-19 | 2020-04-10 | 时代沃顿科技有限公司 | Roll type membrane element water production separation net |
| CN113244773A (en) * | 2021-06-17 | 2021-08-13 | 湖南澳维新材料技术有限公司 | Concentrated water separation net for roll type membrane element |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101711948A (en) * | 2009-10-30 | 2010-05-26 | 艾欧史密斯（上海）水处理产品有限公司 | Roll-type reverse-osmosis membrane element with variable-thickness channel net |
| CN201578990U (en) * | 2009-07-10 | 2010-09-15 | 高耀祖 | Spiral coiled double-channel convection reverse osmosis membrane module and membrane component |
| CN203507832U (en) * | 2013-07-16 | 2014-04-02 | 北京倍杰特国际环境技术有限公司 | Raw water isolating part for spiral membrane module, membrane module comprising same and reverse osmosis membrane device |
| CN104411385A (en) * | 2012-06-26 | 2015-03-11 | 康韦德塑料制品有限公司 | Membrane filtration using low energy feed spacer |
| CN205127755U (en) * | 2015-11-13 | 2016-04-06 | 珠海格力电器股份有限公司 | Purifier and reverse osmosis membrane technology thereof |
-
2015
- 2015-11-13 CN CN201510777558.5A patent/CN105233693B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201578990U (en) * | 2009-07-10 | 2010-09-15 | 高耀祖 | Spiral coiled double-channel convection reverse osmosis membrane module and membrane component |
| CN101711948A (en) * | 2009-10-30 | 2010-05-26 | 艾欧史密斯（上海）水处理产品有限公司 | Roll-type reverse-osmosis membrane element with variable-thickness channel net |
| CN104411385A (en) * | 2012-06-26 | 2015-03-11 | 康韦德塑料制品有限公司 | Membrane filtration using low energy feed spacer |
| CN203507832U (en) * | 2013-07-16 | 2014-04-02 | 北京倍杰特国际环境技术有限公司 | Raw water isolating part for spiral membrane module, membrane module comprising same and reverse osmosis membrane device |
| CN205127755U (en) * | 2015-11-13 | 2016-04-06 | 珠海格力电器股份有限公司 | Purifier and reverse osmosis membrane technology thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076123A (en) * | 2016-08-22 | 2016-11-09 | 厦门建霖工业有限公司 | A kind of big flow long-life coiled reverse osmosis membrane element |
| CN108421415A (en) * | 2018-05-16 | 2018-08-21 | 南京帝膜净水材料开发有限公司 | A kind of wound membrane element |
| CN108970191A (en) * | 2018-08-09 | 2018-12-11 | 珠海格力电器股份有限公司 | A kind of water inlet filter, reverse-osmosis membrane element and water purifier |
| CN109621728A (en) * | 2018-12-07 | 2019-04-16 | 天津碧水源膜材料有限公司 | A kind of concentrated water runner cloth reducing coiled reverse osmosis membrane element pollution |
| CN110975631A (en) * | 2019-12-19 | 2020-04-10 | 时代沃顿科技有限公司 | Roll type membrane element water production separation net |
| CN110975631B (en) * | 2019-12-19 | 2021-12-17 | 沃顿科技股份有限公司 | Roll type membrane element water production separation net |
| CN113244773A (en) * | 2021-06-17 | 2021-08-13 | 湖南澳维新材料技术有限公司 | Concentrated water separation net for roll type membrane element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105233693B (en) | 2018-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105233693A (en) | Water purifier and reverse osmosis membrane element thereof | |
| CN101711948B (en) | Roll-type reverse-osmosis membrane element with variable-thickness channel net | |
| CN104941448B (en) | Reverse-osmosis membrane element | |
| CN109092064A (en) | Efficient open network management runner reverse-osmosis membrane element | |
| CN202151550U (en) | Coil type membrane component with vertical-horizontal wide flow channels | |
| CN106076123B (en) | A kind of big flow long-life coiled reverse osmosis membrane element | |
| CN205550054U (en) | Bump formula broad flow passage spiral wound module | |
| CN110603088A (en) | Feed spacer having three-layer structure and reverse osmosis membrane filtration module including the same | |
| CN104138714A (en) | Spiral-wound film component | |
| CN205127755U (en) | Purifier and reverse osmosis membrane technology thereof | |
| CN206843255U (en) | Water cleaning systems | |
| CN202460486U (en) | Micro-tubular membrane component | |
| CN206345699U (en) | A kind of multistage composite supermicro filtration membrane filter core with long-acting backwashing function | |
| CN208829295U (en) | A kind of thickness flow-guiding screen and the filter core using the thickness flow-guiding screen | |
| CN105819583A (en) | Filter for reverse osmosis water purifier | |
| CN202893206U (en) | Guide plate structure and filter membrane assembly made of the guide plate structure | |
| CN108970191B (en) | Water inlet separation net, reverse osmosis membrane element and water purifier | |
| CN106039999B (en) | A kind of unidirectional mesh device of reverse-osmosis membrane element and preparation method | |
| CN105536538B (en) | Filter and rolling filter core | |
| CN207562686U (en) | Super strong type ultrafiltration membrane | |
| CN207929012U (en) | A kind of wound fil-tration membrane module | |
| CN205133202U (en) | Purifier and water pipe is produced with center to reverse osmosis membrane technology thereof | |
| CN206089289U (en) | Water purification system is filtered to eightfold | |
| CN215886579U (en) | Composite filter element and water purifier that side was intake | |
| CN220176536U (en) | Spiral-flow type reverse osmosis membrane integrated device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |