CN110124518B - Spiral roll type reverse osmosis membrane element - Google Patents
Spiral roll type reverse osmosis membrane element Download PDFInfo
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- CN110124518B CN110124518B CN201910496848.0A CN201910496848A CN110124518B CN 110124518 B CN110124518 B CN 110124518B CN 201910496848 A CN201910496848 A CN 201910496848A CN 110124518 B CN110124518 B CN 110124518B
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- reverse osmosis
- osmosis membrane
- water
- inlet pipe
- water inlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention belongs to the technical field of reverse osmosis membranes, and particularly relates to a spiral-wound reverse osmosis membrane element which comprises a reverse osmosis membrane, a first water inlet pipe and a second water inlet pipe, wherein one end of the reverse osmosis membrane is communicated with the first water inlet pipe, the other end of the reverse osmosis membrane is communicated with the second water inlet pipe, a water collecting tank is sleeved outside the reverse osmosis membrane, a spiral rod is wound inside the reverse osmosis membrane, a scraping block is fixedly connected to the spiral rod, and the scraping block is attached to the inner wall of the reverse osmosis membrane. According to the invention, because the internal pressure is increased in the process of movement of the scraping block, external water is supplemented into the second water inlet pipe through the one-way channel valve, the stability of the internal pressure is ensured, when the electric telescopic rod performs contraction movement, the scraping block extrudes the water on one side of the second water inlet pipe, and due to the action of the one-way channel valve, the scraping block pushes the internal water to accelerate the conveying of the internal water from the reverse osmosis membrane to the inside of the external water collection tank, and the internal water flows out through the water outlet on one side of the water collection tank, so that the permeation is completed.
Description
Technical Field
The invention belongs to the technical field of reverse osmosis membranes, and particularly relates to a spiral-wound reverse osmosis membrane element.
Background
The reverse osmosis membrane is an artificial semipermeable membrane with certain characteristics and is made by simulating a biological semipermeable membrane, and is a core component of a reverse osmosis technology. The principle of reverse osmosis is that under the action of the osmotic pressure higher than that of the solution, other substances are separated from water based on the fact that the substances cannot permeate a semipermeable membrane. The reverse osmosis membrane has a very small membrane pore size, and thus can effectively remove dissolved salts, colloids, microorganisms, organic substances, and the like in water. The system has the advantages of good water quality, low energy consumption, no pollution, simple process, simple and convenient operation and the like.
However, the existing reverse osmosis membrane still has the defects when in use; most of the existing reverse osmosis membranes are of a layer type, the surface area is small, the filtration rate of water is slow, the existing reverse osmosis membranes are permeated by natural potential energy of water, the potential energy of the natural state of the water is small, the permeation efficiency is poor, and the production capacity of permeation is reduced.
Disclosure of Invention
In order to make up the defects of the prior art, the spiral-wound reverse osmosis membrane element provided by the invention has the advantages that the electric telescopic rod is started to perform telescopic motion, when the electric telescopic rod performs stretching motion, due to the limiting effect of the spiral reverse osmosis membrane group, and the spiral rod is spiral, the scraping block slides in the reverse osmosis membrane, impurities possibly existing on the inner wall of the reverse osmosis membrane are scraped, and the permeation efficiency of the reverse osmosis membrane is ensured.
The technical scheme adopted by the invention for solving the technical problems is as follows: the spiral-wound reverse osmosis membrane element comprises a reverse osmosis membrane, a first water inlet pipe and a second water inlet pipe, wherein one end of the reverse osmosis membrane is communicated with the first water inlet pipe, the other end of the reverse osmosis membrane is communicated with the second water inlet pipe, a water collecting tank is sleeved outside the reverse osmosis membrane, a spiral rod is wound inside the reverse osmosis membrane, a scraping block is fixedly connected to the spiral rod, and the scraping block is attached to the inner wall of the reverse osmosis membrane.
Preferably, one side of the first water inlet pipe and one side of the second water inlet pipe are both communicated with one-way channel valves, and the one-way channel valves are communicated with the water pipes.
Preferably, a water outlet is communicated with the center of one side of the water collecting tank.
Preferably, hob horizontal length equals twice reverse osmosis membrane length, the inside one side center department fixedly connected with electric telescopic handle of second oral siphon, and electric telescopic handle's top is passed through the axis of rotation and is connected with the one end rotation of hob.
Preferably, one end of the screw rod is rotatably connected with a telescopic rod through a rotating shaft, and the telescopic rod is fixedly connected with the first water inlet pipe through a sleeve sleeved outside.
Preferably, the reverse osmosis membranes are in a spiral tubular structure and are fixedly connected with each other.
The invention has the following beneficial effects:
1. according to the invention, because the internal pressure is increased in the process of movement of the scraping block, external water is supplemented into the second water inlet pipe through the one-way channel valve, the stability of the internal pressure is ensured, when the electric telescopic rod performs contraction movement, the scraping block extrudes the water on one side of the second water inlet pipe, and due to the action of the one-way channel valve, the scraping block pushes the internal water to accelerate the conveying of the internal water from the reverse osmosis membrane to the inside of the external water collection tank, and the internal water flows out through the water outlet on one side of the water collection tank, so that the permeation is completed.
2. According to the invention, the electric telescopic rod is started to perform telescopic motion, and when the electric telescopic rod performs extension motion, due to the limiting effect of the spiral reverse osmosis membrane group and the spiral rod is spiral, the scraping block slides in the reverse osmosis membrane, so that impurities possibly existing on the inner wall of the reverse osmosis membrane are scraped, and the permeation efficiency of the reverse osmosis membrane is ensured.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic view showing an external structure of a spiral wound type reverse osmosis membrane element according to the present invention;
FIG. 2 is a schematic diagram of a horizontal cross-sectional structure of a spiral wound reverse osmosis membrane element according to the present invention;
FIG. 3 is a schematic longitudinal sectional view of a spiral wound reverse osmosis membrane element according to the present invention;
in the figure: 1. a reverse osmosis membrane; 2. a first water inlet pipe; 3. a second water inlet pipe; 4. a one-way passage valve; 5. a water collection tank; 6. a water outlet; 7. an electric telescopic rod; 8. a rotating shaft; 9. a screw rod; 10. a sleeve; 11. a telescopic rod; 12. and (5) scraping the block.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, a spiral roll type reverse osmosis membrane element, including reverse osmosis membrane 1, first oral siphon 2 and second oral siphon 3, reverse osmosis membrane 1's one end intercommunication has first oral siphon 2, the other end intercommunication has second oral siphon 3, reverse osmosis membrane 1 is the tubular structure of spiral, and mutual fixed connection, through spiral structure increase infiltration area, and prevented mutual great interference, reverse osmosis membrane 1's outside cover is equipped with header tank 5, one side central point department of position intercommunication of header tank 5 has delivery port 6, and reverse osmosis membrane 1's inside has been around having been connect hob 9, hob 9's degree of helicity is the same with reverse osmosis membrane 1, fixedly connected with scrapes piece 12 on hob 9, and scrape piece 12 and the laminating of reverse osmosis membrane 1 inner wall mutually, guaranteed to scrape impurity on reverse osmosis membrane 1 of piece 12 and strike off.
One sides of the first water inlet pipe 2 and the second water inlet pipe 3 are both communicated with a one-way channel valve 4, and the one-way channel valve 4 is communicated with the water pipes; the one-way passage valve 4 can only deliver water to the interior of the two water pipes.
A water outlet 6 is communicated with the center of one side of the water collecting tank 5.
The horizontal length of the spiral rod 9 is equal to twice the length of the reverse osmosis membrane 1, an electric telescopic rod 7 is fixedly connected to the center of one side of the inner part of the second water inlet pipe 3, and the top of the electric telescopic rod 7 is rotatably connected with one end of the spiral rod 9 through a rotating shaft 8; guarantee to scrape piece 12 and can remove to the other end by 1 one end of reverse osmosis membrane, the bolt fixedly connected with electric telescopic handle 7 of inside one side center department of second oral siphon 3, and the top of electric telescopic handle 7 is passed through axis of rotation 8 and is connected with the one end rotation of hob 9, the one end of hob 9 is passed through axis of rotation 8 and is connected with telescopic link 11, and telescopic link 11 is through the welding of the sleeve pipe 10 that outside cover was established and first oral siphon 2, the welding is located with the centre of a circle of first oral siphon 2 to sleeve pipe 10.
One end of the screw rod 9 is rotatably connected with a telescopic rod 11 through a rotating shaft 8, and the telescopic rod 11 is fixedly connected with the first water inlet pipe 2 through a sleeve 10 sleeved outside.
The reverse osmosis membrane 1 is in a spiral tubular structure and is fixedly connected with each other.
When the electric telescopic rod 7 is in work, the electric telescopic rod 7 is started to perform telescopic motion, when the electric telescopic rod 7 performs extending motion, due to the limiting effect of the spiral reverse osmosis membrane 1 group and the spiral rod 9 is in a spiral shape, the scraping block 12 slides in the reverse osmosis membrane 1 to scrape impurities possibly existing on the inner wall of the reverse osmosis membrane 1, the permeation efficiency of the reverse osmosis membrane 1 is ensured, and due to the one-way water permeability of the reverse osmosis membrane 1, the internal pressure is increased in the process of the motion of the scraping block 12, due to the effect of the one-way channel valve 4, external water is supplemented into the second water inlet pipe 3 through the one-way channel valve 4, the stability of the internal pressure is ensured, when the scraping block 12 moves to the other end of the reverse osmosis membrane 1, the extending length of the electric telescopic rod 7 reaches the maximum, then the retracting motion is performed, at the moment, the scraping block 12 extrudes the water on one side of the second water inlet pipe 3, due to the action of the one-way channel valve 4, the scraping block 12 pushes the water inside to accelerate the transportation from the reverse osmosis membrane 1 to the inside of the water collecting tank 5 outside, and flows out through the water outlet 6 at one side of the water collecting tank 5 to finish the permeation, the scraping block 12 moving back still carries out the treatment of scraping impurities on the inner wall of the reverse osmosis membrane 1 so as to ensure the permeation efficiency of the reverse osmosis membrane 1, and because the scraping block 12 increases the pressure intensity inside the first water inlet pipe 2, external water is conveyed to the inside of the first water inlet pipe 2 through the one-way channel valve 4, when the screw rod 9 rotates forwards and backwards, one end far away from the electric telescopic rod 7 rotates at the top of the telescopic rod 11 through the rotating shaft 8, due to the pushing of the screw rod 9, the telescopic rod 11 contracts or stretches towards the inside of the sleeve 10, so that the rotating stability of the screw rod 9 is ensured, and the stability of the scraping block 12 is further ensured.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides a spiral roll formula reverse osmosis membrane element, includes reverse osmosis membrane (1), first oral siphon (2) and second oral siphon (3), its characterized in that: one end of the reverse osmosis membrane (1) is communicated with a first water inlet pipe (2), the other end of the reverse osmosis membrane (1) is communicated with a second water inlet pipe (3), a water collecting tank (5) is sleeved outside the reverse osmosis membrane (1), a spiral rod (9) is wound inside the reverse osmosis membrane (1), a scraping block (12) is fixedly connected onto the spiral rod (9), and the scraping block (12) is attached to the inner wall of the reverse osmosis membrane (1);
one sides of the first water inlet pipe (2) and the second water inlet pipe (3) are communicated with one-way channel valves (4), and the one-way channel valves (4) are communicated with the water pipes;
a water outlet (6) is communicated with the center of one side of the water collecting tank (5);
the horizontal length of the screw rod (9) is equal to twice the length of the reverse osmosis membrane (1), an electric telescopic rod (7) is fixedly connected to the center of one side of the inner part of the second water inlet pipe (3), and the top of the electric telescopic rod (7) is rotatably connected with one end of the screw rod (9) through a rotating shaft (8);
one end of the screw rod (9) is rotatably connected with a telescopic rod (11) through a rotating shaft (8), and the telescopic rod (11) is fixedly connected with the first water inlet pipe (2) through a sleeve (10) sleeved outside;
the reverse osmosis membrane (1) is in a spiral tubular structure and is fixedly connected with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910496848.0A CN110124518B (en) | 2019-06-10 | 2019-06-10 | Spiral roll type reverse osmosis membrane element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910496848.0A CN110124518B (en) | 2019-06-10 | 2019-06-10 | Spiral roll type reverse osmosis membrane element |
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| Publication Number | Publication Date |
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| CN110124518A CN110124518A (en) | 2019-08-16 |
| CN110124518B true CN110124518B (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910496848.0A Active CN110124518B (en) | 2019-06-10 | 2019-06-10 | Spiral roll type reverse osmosis membrane element |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5626758A (en) * | 1995-08-08 | 1997-05-06 | Rensselaer Polytechnic Institute | Coiled membrane filtration system |
| JP2000271460A (en) * | 1999-01-22 | 2000-10-03 | Nitto Denko Corp | Treating system and treatment method using spiral type membrane module |
| CN1317055C (en) * | 2004-12-23 | 2007-05-23 | 株洲工学院科技开发部 | Method of membrane separating property of variable pitch, membrane module apparatus and usage |
| CN205308148U (en) * | 2016-01-18 | 2016-06-15 | 山西清泽环境科技有限公司 | Domestic sewage tubular micro -filtration membrane water treatment facilities |
| CN208292714U (en) * | 2018-03-29 | 2018-12-28 | 南京莱弗特环保科技有限公司 | A kind of reverse osmosis unit |
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Effective date of registration: 20211230 Address after: 250031 Room 102, building 85, Xinmao Qilu science and Technology City, No. 299, Zidong Avenue, Tianqiao District, Jinan City, Shandong Province Applicant after: Jinan huapai Environmental Protection Technology Co.,Ltd. Address before: 210017 unit 2, building 1, hexizhenyuan, No.6 Baodong Road, Jianye District, Nanjing City, Jiangsu Province Applicant before: Li Jiabao |
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