CN115477366A - Antipollution reverse osmosis membrane device - Google Patents
Antipollution reverse osmosis membrane device Download PDFInfo
- Publication number
- CN115477366A CN115477366A CN202211284077.7A CN202211284077A CN115477366A CN 115477366 A CN115477366 A CN 115477366A CN 202211284077 A CN202211284077 A CN 202211284077A CN 115477366 A CN115477366 A CN 115477366A
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- China
- Prior art keywords
- reverse osmosis
- osmosis membrane
- sleeve
- locking sleeve
- compression expansion
- Prior art date
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- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 99
- 239000012528 membrane Substances 0.000 title claims abstract description 95
- 230000006835 compression Effects 0.000 claims abstract description 47
- 238000007906 compression Methods 0.000 claims abstract description 47
- 238000004140 cleaning Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 239000002184 metal Substances 0.000 claims description 11
- 238000000746 purification Methods 0.000 claims description 10
- 238000011403 purification operation Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 230000003373 anti-fouling effect Effects 0.000 claims description 4
- 239000008213 purified water Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
An anti-pollution reverse osmosis membrane device comprises a pressure container and a reverse osmosis membrane element, wherein the pressure container is provided with a front end fixing ring and a rear end fixing ring at two ends, the front end fixing ring and the rear end fixing ring respectively extend to the inner sides of the front end fixing ring and the rear end fixing ring, two ends, opposite to the fixing sleeve, of a hose sleeve are respectively fixed at two ends of the fixing sleeve, sliding rings are sleeved on the fixing sleeve, and compression expansion plates are uniformly distributed between the two sliding rings; a locking sleeve is sleeved outside the sliding ring; the locking sleeve is in linkage connection with an external first rotary driving mechanism; fixing covers are arranged at two ends of the reverse osmosis membrane original piece and are respectively fixed at two ends of the inner side of the fixing sleeve; the reverse osmosis membrane original piece comprises center tube and the reverse osmosis membrane subassembly of one end fixed in the center tube lateral wall, and the center tube can pass fixed lid center with rotating, and its salient is used for connecting outside second rotary driving mechanism. The invention has stronger self-cleaning capability and can effectively improve the anti-pollution capability of the reverse osmosis membrane.
Description
Technical Field
The invention relates to a water quality purification technology, in particular to an anti-pollution reverse osmosis membrane device.
Background
While water purification is an important technology for improving the living environment of human beings on the earth, the treatment of sewage, the purification of domestic water and the obtaining of water resources from sewage areas by purifying water sources are necessary technologies for the human beings to continue to live on the earth today with the development of industry. Among water purification technologies, a method of obtaining a purified water source by a reverse osmosis membrane technology is the most economical and effective method. 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. Has the advantages of good water quality, low energy consumption, no pollution, simple process, simple and convenient operation, and the like. However, the reverse osmosis membrane device generally adopts a winding drum type structure, and after water enters from the front end, the water is divided by the wound permeable membrane to obtain separated and purified product water and concentrated water with pollutants; new water resources are obtained by collecting product water.
However, for raw water with more pollutants and insufficient purification of the pollutants in the early stage, the reverse osmosis membrane is easily polluted by the pollutants with larger particles, and is gradually blocked, so that the water yield is gradually reduced, the filtration and purification effects of the reverse osmosis membrane are reduced, and even water cannot be produced continuously.
Disclosure of Invention
The invention aims to provide an anti-pollution reverse osmosis membrane device which can effectively improve the anti-pollution capacity of a reverse osmosis membrane.
The technical solution of the invention is as follows:
an anti-pollution reverse osmosis membrane device, which comprises a pressure container and a reverse osmosis membrane element,
the pressure container is provided with an inner cylinder and a locking sleeve, two ends of the inner cylinder are respectively provided with a front end fixing ring and a rear end fixing ring, the front end fixing ring and the rear end fixing ring respectively extend towards the inner side direction and are respectively provided with a fixing sleeve, two opposite ends of the fixing sleeve are respectively fixed with two ends of a hose sleeve, the fixing sleeve is sleeved with a sliding ring in a sliding manner, two opposite ends of the two sliding rings are respectively in pin joint connection with a plurality of compression expansion plates which are uniformly distributed along the circumferential direction, and the compression expansion plates are formed by pin joint connection of a plurality of metal plate bodies along the length direction; when the compression expansion plate is straightened into a straight line, the length of the compression expansion plate is equal to the maximum distance between the two sliding rings; the outer surface of the sliding ring is provided with an external thread part, the sliding ring is sleeved with a locking sleeve, and the inner side surface of the locking sleeve is provided with an internal thread part which is correspondingly meshed corresponding to the external thread part; one end of the locking sleeve facing the compression expansion plate is provided with a gradually expanding opening; the locking sleeve is in linkage connection with an external first rotary driving mechanism;
the reverse osmosis membrane element is of a columnar structure, two ends of the reverse osmosis membrane element are provided with fixing covers used for being inserted into the hose sleeve of the inner barrel, and the fixing covers are respectively fixed on two ends of the inner side of the fixing sleeve; the reverse osmosis membrane element is composed of a central tube and a reverse osmosis membrane assembly, one end of the reverse osmosis membrane assembly is fixed on the outer side wall of the central tube, the central tube can penetrate through the center of the fixed cover in a rotating mode, and the protruding portion of the central tube is used for being connected with an external second rotary driving mechanism.
The anti-pollution reverse osmosis membrane device is characterized in that a compression elastic piece is arranged between each of the two sliding rings and the front end fixing ring and the rear end fixing ring respectively.
The anti-pollution reverse osmosis membrane device is characterized in that the front end of the central tube is provided with an electromagnetic valve, and the front end of the electromagnetic valve is communicated with a raw water inlet end; when the rotary cleaning operation is carried out, the first rotary driving mechanism drives the locking sleeve to rotate, the locking sleeve is withdrawn to one side far away from the compression expansion plate under the action of threads, the sliding ring moves towards the area between the two fixed sleeves, so that the compression expansion plate is jacked outwards, and a cleaning cavity which is bulged at the outer side of the reverse osmosis membrane original is formed; the electromagnetic valve is opened, and the raw water inlet end is closed; the purified water of the central tube enters the cleaning cavity through the front end of the reverse osmosis membrane element; the second rotary driving mechanism drives the central pipe to rotate, and the central pipe drives the reverse osmosis membrane assembly to rotate and swing in the cleaning cavity.
The anti-pollution reverse osmosis membrane device is characterized in that the electromagnetic valve is closed when reverse osmosis water purification operation is carried out; the first rotary driving mechanism drives the locking sleeve to rotate, so that the locking sleeve moves towards the direction of the compression expansion plate, and the central pipe keeps a set rotating speed until the locking sleeve presses the compression expansion plate to form a straight line shape; and opening the raw water inlet end to start reverse osmosis water purification operation.
The anti-pollution reverse osmosis membrane device is characterized in that the compression expansion plate is formed by pivotally connecting three metal plate bodies, and the length ratio of the middle plate body to the two side plate bodies ranges from 2 to 4.
From the above description, it is clear that the present invention has the following advantages:
the anti-pollution reverse osmosis membrane device is different from the use modes of a reverse osmosis membrane original piece and a high-pressure container in the prior art, and the pressure container which can change the shape of the container according to the use requirement is skillfully designed, so that the anti-pollution reverse osmosis membrane device has stronger and more effective cleaning effect in the online cleaning process, and achieves better anti-pollution effect.
Drawings
FIG. 1 is a schematic diagram of a compressed and purified state according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a structure for cleaning an anti-fouling state according to a preferred embodiment of the present invention.
Main element number description:
the invention comprises the following steps:
1: front end fixing ring 2: rear end fixing ring 3: fixed sleeve
4: the slide ring 5: locking the sleeve 6: hose cover
7: a reverse osmosis membrane module 8: fixing the cover 9: central tube
10: the electromagnetic valve 11: compression of the expansion plate 12: gradually expanding mouth
13: metal coating sleeve
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
In a preferred embodiment of the anti-pollution reverse osmosis membrane device, referring to fig. 1 to 2, the anti-pollution reverse osmosis membrane device of the invention comprises a pressure vessel and a reverse osmosis membrane element, wherein the pressure vessel is provided with an inner cylinder and a locking sleeve 5, two ends of the inner cylinder are respectively provided with a front end fixing ring 1 and a rear end fixing ring 2, and preferably, the front end fixing ring 1 and the rear end fixing ring 2 are fixed on an external fixing bracket mechanism; the front end fixing ring 1 and the rear end fixing ring 2 extend inwards to form a fixing sleeve 3 respectively, two opposite ends of the fixing sleeve 3 are fixed with two ends of a hose sleeve 6 respectively, a sliding ring 4 is sleeved on the fixing sleeve 3 in a sliding mode, two opposite ends of the two sliding rings 4 are respectively in pin joint connection with a plurality of compression expansion plates 11 which are evenly distributed along the circumferential direction, and the compression expansion plates 11 are formed by pin joint connection of a plurality of metal plate bodies along the length direction; when the compression expansion plate 11 is straightened to be in a straight line, the length of the compression expansion plate 11 is equal to the maximum distance between the two sliding rings 4; the outer surface of the sliding ring 4 is provided with an external thread part, the sliding ring 4 is sleeved with a locking sleeve 5, and the inner side surface of the locking sleeve 5 is provided with a correspondingly meshed internal thread part corresponding to the external thread part; a gradually expanding opening 12 is formed in one end, facing the compression expansion plate 11, of the locking sleeve 5; the locking sleeve 5 is connected in a linkage manner with an external first rotary driving mechanism.
The reverse osmosis membrane element is of a columnar structure, two ends of the reverse osmosis membrane element are provided with fixing covers 8 which are used for being inserted into the hose sleeve 6 of the inner barrel, and the fixing covers 8 are respectively fixed on two ends of the inner side of the fixing sleeve 3; the reverse osmosis membrane element is composed of a central tube 9 and a reverse osmosis membrane assembly 7, wherein one end of the reverse osmosis membrane assembly is fixed on the outer side wall of the central tube 9, the central tube 9 can rotatably penetrate through the center of the fixed cover 8, and the protruding part of the central tube is used for being connected with an external second rotary driving mechanism.
Preferably, as shown in the figure, the reverse osmosis membrane assembly 7 of the reverse osmosis membrane element is a folded reverse osmosis membrane and separation net combination, and the open end of the reverse osmosis membrane assembly is fixed with the central tube 9 and is rolled together with the outer side surface of the central tube 9 along the same direction; the reverse osmosis membrane original element is inserted into the inner cylinder of the pressure container, the fixing covers 8 at two ends of the reverse osmosis membrane original element are respectively fixed at the end parts of the inner side surfaces of the two fixing sleeves 3, and the hose sleeve 6 is coated outside the reverse osmosis membrane assembly 7; when carrying out raw water purification operation, first rotary driving mechanism drive locking sleeve 5 is rotatory, via the effect of its internal thread and the external screw thread of slip ring 4, slip ring 4 removes extremely gradually inside locking sleeve 5, and locking sleeve 5's gradually flaring 12 contact and gradually will outwards expand compression expansion plate 11 to reverse osmosis membrane original paper direction is pushed down, and the tractive effect of cooperation slip ring 4 makes compression expansion plate 11 form with the parallel straight board of inner tube center pin, borrow this, fixed a plurality of compression expansion plates 11 that have enclosed into a tubular structure through locking sleeve 5's cladding, including reverse osmosis membrane original paper cladding, reduce the space size around the reverse osmosis membrane original paper, be convenient for carry out highly compressed reverse osmosis, carry out raw water purification. When the reverse osmosis membrane assembly 7 needs to be cleaned after long-term purification operation, the first rotary driving mechanism is operated to control the locking sleeve 5 to reversely loosen the compression expansion plate 11, and the compression expansion plate 11 protrudes outwards through the extrusion of the two ends of the sliding ring 4 moving towards the middle, so that the hose sleeve 6 can expand to the inner side wall of a space with a larger inner diameter formed after the compression expansion plate 11 protrudes outwards under the action of internal pressure to form a cleaning cavity; therefore, the reverse osmosis membrane component 7 can be extended outwards and becomes a loose state. After cleaning liquid with certain pressure is introduced, the second rotary driving mechanism is controlled to drive the central pipe 9 to rotate, the reverse osmosis membrane assembly 7 can be driven to rotate and clean back and forth in the cleaning cavity according to the set rotary driving configuration, and pollutants on the reverse osmosis membrane assembly 7 can be effectively removed into cleaning liquid through centrifugal force and a cleaning mode similar to a stirring mode in the cleaning liquid; after the cleaning is finished, the reverse osmosis membrane assembly 7 is pressed inwards by controlling the compression expansion plate 11 to return to a small cylindrical state, and the raw water purification operation can be carried out again. Of course, it is preferable that a sliding limiting structure is disposed between the sliding ring 4 and the fixing sleeve 3, so as to limit the rotation of the sliding ring 4.
In the preferred embodiment, after the compression expansion plate 11 protrudes outward to the maximum distance, a rigid metal covering 13 is provided outside the compression expansion plate 11 to cover the compression expansion plate 11, so as to better keep the hose sheath 6 inside from protruding outward from the gap between the compression expansion plates 11 after expanding. Preferably, the metal covering sheath 13 can be fixed on the front end fixing ring 1 and the rear end fixing ring 2, or can be fixed on other fixing structures.
In the preferred embodiment of the anti-pollution reverse osmosis membrane device of the present invention, the two sliding rings 4 are respectively provided with a compression elastic member between the front end fixing ring 1 and the rear end fixing ring 2. Preferably, a compression elastic element is arranged between the sliding ring 4 and the front end fixing ring 1 and the rear end fixing ring 2, and is used for applying an inward pushing force to the sliding ring 4, so that the sliding ring keeps a convex state after the lock sleeve is withdrawn, and a cleaning cavity formed by the convex state is stably formed.
In the above anti-pollution reverse osmosis membrane device according to the present invention, in a preferred embodiment of the anti-pollution reverse osmosis membrane device, the front end of the central tube 9 is provided with an electromagnetic valve 10, and the front end of the electromagnetic valve 10 is communicated with a raw water inlet end; when the rotary cleaning operation is carried out, the first rotary driving mechanism drives the locking sleeve 5 to rotate, the locking sleeve 5 is withdrawn to one side far away from the compression expansion plate 11 under the action of threads, and the sliding ring 4 moves towards the area between the two fixed sleeves 3, so that the compression expansion plate 11 is jacked outwards to form a cleaning cavity bulged at the outer side of the reverse osmosis membrane original; the electromagnetic valve 10 is opened, and the raw water inlet end is closed; the purified water of the central tube 9 enters the cleaning cavity through the front end of the reverse osmosis membrane element; the second rotary driving mechanism drives the central pipe 9 to rotate, and the central pipe 9 drives the reverse osmosis membrane component 7 to rotate and swing in the cleaning cavity. In this embodiment, the better adopted center tube 9 via solenoid valve 10 with the front end raw water mode of intaking end intercommunication, borrow this, at abluent in-process, can utilize the water purification recoil to wash in the reverse osmosis membrane subassembly 7 outside, improved the effect of wasing the pollutant of getting rid of.
In the preferred embodiment of the anti-pollution reverse osmosis membrane device of the present invention, when reverse osmosis water purification is performed, the electromagnetic valve 10 is closed; the first rotary driving mechanism drives the locking sleeve 5 to rotate, so that the locking sleeve moves towards the direction of the compression expansion plate 11, and the central pipe 9 keeps a set rotating speed until the locking sleeve 5 compresses the compression expansion plate 11 into a straight line shape; and opening the raw water inlet end to start reverse osmosis water purification operation. In this embodiment, the preferred, through rotatory drive all reverse osmosis membrane subassembly 7 subassembly rotates towards a direction, can make all reverse osmosis membrane subassemblies 7 folding towards a direction, can not make reverse osmosis membrane subassembly 7 take place the fold phenomenon, also can guarantee better that wash, resume before the operation process that can purify the raw water, reverse osmosis membrane subassembly 7 that can not have the fold hinders the process that hose cover 6 compressed, protected the complete and stack gesture of reverse osmosis membrane original paper well, guarantee that reverse osmosis membrane subassembly 7 can not damaged.
In the preferred embodiment of the anti-contamination reverse osmosis membrane device of the present invention, the compression expansion plate 11 is formed by pivotally connecting three metal plates, and the length ratio of the middle plate to the two side plates is in the range of 2 to 4. Preferably, the number of the metal plate bodies is three, and the length ratio of the metal plate bodies is 2 to 4, so that a larger cleaning cavity can be effectively formed, the manufacturing cost can be effectively reduced, the structure is simplified, the structural strength is improved, and the service life of the cleaning device is longer.
The anti-pollution reverse osmosis membrane device is different from the use modes of a reverse osmosis membrane original piece and a high-pressure container in the prior art, and the pressure container which can change the shape of the container according to the use requirement is skillfully designed, so that the anti-pollution reverse osmosis membrane device has stronger and more effective cleaning effect in the online cleaning process, and achieves better anti-pollution effect.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications of the invention without departing from the spirit and principles of the invention should be considered within the scope of the invention.
Claims (5)
1. An anti-pollution reverse osmosis membrane device is characterized by comprising a pressure container and a reverse osmosis membrane element,
the pressure container is provided with an inner cylinder and a locking sleeve, two ends of the inner cylinder are respectively provided with a front end fixing ring and a rear end fixing ring, the front end fixing ring and the rear end fixing ring respectively extend towards the inner side direction and are respectively provided with a fixing sleeve, two opposite ends of the fixing sleeve are respectively fixed with two ends of a hose sleeve, the fixing sleeve is sleeved with a sliding ring in a sliding manner, two opposite ends of the two sliding rings are respectively in pin joint connection with a plurality of compression expansion plates which are uniformly distributed along the circumferential direction, and the compression expansion plates are formed by pin joint connection of a plurality of metal plate bodies along the length direction; when the compression expansion plate is straightened to be in a straight line, the length of the compression expansion plate is equal to the maximum distance between the two sliding rings; the outer surface of the sliding ring is provided with an external thread part, the sliding ring is sleeved with a locking sleeve, and the inner side surface of the locking sleeve is provided with a correspondingly meshed internal thread part corresponding to the external thread part; one end of the locking sleeve facing the compression expansion plate is provided with a gradually expanding opening; the locking sleeve is in linkage connection with an external first rotary driving mechanism;
the reverse osmosis membrane element is of a columnar structure, two ends of the reverse osmosis membrane element are provided with fixing covers for being inserted into the hose sleeve of the inner barrel, and the fixing covers are respectively fixed on two ends of the inner side of the fixing sleeve; the reverse osmosis membrane element is composed of a central tube and a reverse osmosis membrane assembly, one end of the reverse osmosis membrane assembly is fixed on the outer side wall of the central tube, the central tube can penetrate through the center of the fixed cover in a rotating mode, and the protruding portion of the central tube is used for being connected with an external second rotary driving mechanism.
2. The anti-fouling reverse osmosis membrane device of claim 1, wherein compression springs are provided between each of said slip rings and said front and rear retaining rings.
3. The anti-pollution reverse osmosis membrane device according to claim 2, wherein the front end of the central tube is provided with an electromagnetic valve, and the front end of the electromagnetic valve is communicated with a raw water inlet end; when the rotary cleaning operation is carried out, the first rotary driving mechanism drives the locking sleeve to rotate, the locking sleeve is withdrawn to one side far away from the compression expansion plate under the action of threads, the sliding ring moves towards the area between the two fixed sleeves, so that the compression expansion plate is jacked outwards, and a cleaning cavity which is bulged at the outer side of the reverse osmosis membrane original is formed; the electromagnetic valve is opened, and the raw water inlet end is closed; the purified water of the central tube enters the cleaning cavity through the front end of the reverse osmosis membrane element; the second rotary driving mechanism drives the central pipe to rotate, and the central pipe drives the reverse osmosis membrane assembly to rotate and swing in the cleaning cavity.
4. The anti-fouling reverse osmosis membrane device of claim 3, wherein the solenoid valve is closed when reverse osmosis water purification is performed; the first rotary driving mechanism drives the locking sleeve to rotate, so that the locking sleeve moves towards the direction of the compression expansion plate, and the central pipe keeps a set rotating speed until the locking sleeve presses the compression expansion plate into a straight line shape; and opening the raw water inlet end to start reverse osmosis water purification operation.
5. The anti-fouling reverse osmosis membrane device of claim 4, wherein said compression flex panel is pivotally connected to three of said metal panels, and the ratio of the length of the central panel to the length of the side panels is in the range of 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211284077.7A CN115477366B (en) | 2022-10-20 | 2022-10-20 | Anti-pollution reverse osmosis membrane device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211284077.7A CN115477366B (en) | 2022-10-20 | 2022-10-20 | Anti-pollution reverse osmosis membrane device |
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| CN115477366A true CN115477366A (en) | 2022-12-16 |
| CN115477366B CN115477366B (en) | 2023-11-28 |
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| CN216711667U (en) * | 2021-12-17 | 2022-06-10 | 深圳市纯水一号水处理科技有限公司 | Ultrapure water reverse osmosis's installing support |
| CN216711709U (en) * | 2021-12-27 | 2022-06-10 | 江苏海菲环境科技有限公司 | MBR flat membrane module for sewage treatment |
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Inventor after: Yu Jinghai Inventor after: Zhao Xiaoyang Inventor after: Ye Jundong Inventor after: Song Tao Inventor before: Yu Jinghai Inventor before: Zhao Xiaoyang Inventor before: Ye Jundong Inventor before: Song Tao |