CN113797760B - Chemical cleaning device and cleaning method for reverse osmosis membrane - Google Patents
Chemical cleaning device and cleaning method for reverse osmosis membrane Download PDFInfo
- Publication number
- CN113797760B CN113797760B CN202111039418.XA CN202111039418A CN113797760B CN 113797760 B CN113797760 B CN 113797760B CN 202111039418 A CN202111039418 A CN 202111039418A CN 113797760 B CN113797760 B CN 113797760B
- Authority
- CN
- China
- Prior art keywords
- reverse osmosis
- film
- medicine feeding
- assembly
- water
- 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.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 64
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 54
- 239000012528 membrane Substances 0.000 title claims abstract description 49
- 239000000126 substance Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 68
- 239000003814 drug Substances 0.000 claims description 38
- 239000012535 impurity Substances 0.000 claims description 22
- 238000005192 partition Methods 0.000 claims description 19
- 238000012377 drug delivery Methods 0.000 claims description 15
- 102000004190 Enzymes Human genes 0.000 claims description 14
- 108090000790 Enzymes Proteins 0.000 claims description 14
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 238000006555 catalytic reaction Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 239000010408 film Substances 0.000 description 43
- 239000010410 layer Substances 0.000 description 7
- 239000011229 interlayer Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000306 component Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001647 drug administration Methods 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 238000001125 extrusion 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
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- B01D65/027—Cleaning of other parts of the apparatus than the membrane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/166—Use of enzymatic agents
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a chemical cleaning device and a cleaning method for a reverse osmosis membrane, and relates to the technical field of reverse osmosis membrane cleaning.
Description
Technical Field
The invention relates to the technical field of reverse osmosis membrane cleaning, in particular to a chemical cleaning device and a cleaning method of a reverse osmosis membrane.
Background
The reverse osmosis membrane is an artificial semipermeable membrane with certain characteristics, which is made by simulating a biological semipermeable membrane, is a core component of a reverse osmosis technology, and the principle of the reverse osmosis technology is that under the action of osmotic pressure higher than that of a solution, substances and water are separated according to the fact that other substances cannot permeate the semipermeable membrane, and the membrane aperture of the reverse osmosis membrane is very small, so that dissolved salts, colloid, microorganisms, organic matters and the like in water can be effectively removed, and the reverse osmosis membrane also needs to be cleaned in time, so that the reverse osmosis membrane can effectively remove impurities.
When the existing reverse osmosis membrane cleaning device is used for online cleaning, the pertinence of membranes at different positions is poor, as one membrane shell is not usually provided with one membrane element, the pollution conditions of the membrane elements are different, when the membranes with different pollution conditions are cleaned by using the cleaning liquid with the same concentration, the cleaning effect is poor because of the fact that some membranes are excessively cleaned and some membranes are insufficiently cleaned, cross pollution is easy to form, and each membrane shell cannot be cleaned in sequence in a pertinence way, so that the design of the chemical cleaning device and the cleaning method of the reverse osmosis membrane is needed to solve the problems.
Disclosure of Invention
In order to solve the defects in the background art, the invention aims to provide a chemical cleaning device and a cleaning method of a reverse osmosis membrane, wherein the reverse osmosis membrane cleaning device has strong pertinence to membranes at different positions when in online cleaning, and performs chemical reaction on enzymes with different concentrations on different membrane shells, namely, when cleaning membranes with different pollution conditions by using cleaning liquid with different concentrations, excessive cleaning of the membranes can not be caused, and the conditions of insufficient cleaning of the membranes can not be caused, so that the cleaning effect is good, the phenomenon of forming cross pollution can be avoided, and each membrane shell can be cleaned in sequence in a pertinence manner;
the aim of the invention can be achieved by the following technical scheme:
the chemical cleaning device for the reverse osmosis membrane comprises a cleaning tank, wherein a supporting leg is fixedly arranged on the lower surface of the cleaning tank, a dosing assembly is arranged on the upper surface of the cleaning tank, a reverse osmosis assembly is arranged on the upper surface of the dosing assembly, a first clamping rod is fixedly arranged on the inner wall of the cleaning tank, a faucet is fixedly arranged on the upper surface of the cleaning tank, a second clamping rod is slidably connected with the inner wall of the cleaning tank, and a cleaning assembly is sleeved in an inner cavity of the second clamping rod;
the medicine feeding assembly comprises a medicine feeding box, a motor is arranged on the outer surface of the medicine feeding box, a plurality of groups of partition boards are arranged in the medicine feeding box, long grooves are formed in the middle of the partition boards, the long grooves are sequentially reduced, the outer surface of the reverse osmosis assembly is attached to the long grooves, a water inlet pipe is sleeved on one side, far away from the motor, of the medicine feeding box, a water storage box is arranged on the outer surface of the medicine feeding box, a small hole is formed in one side, close to the water storage box, of the medicine feeding box, and a medicine feeding assembly is arranged on one side, far away from the water storage box, of the medicine feeding box.
Further, advance medicine subassembly includes U type pipe, U type pipe has two, the surface of U type pipe is provided with multiunit first connecting pipe, and U type pipe passes through first connecting pipe and connects, the upper surface that the box was given medicine to U type pipe was kept away from is provided with into the medicine mouth, the upper surface that the box was given medicine to U type pipe is close to has cup jointed and has sheltered from the picture peg.
Further, the first connecting tube is sleeved with the drug delivery box, and the diameters of the first connecting tube are sequentially reduced.
Further, the reverse osmosis component comprises a shell, covers are arranged on two sides of the shell, a plurality of groups of films are arranged in the shell, and the diameters of the films are sequentially reduced.
Further, the cleaning assembly comprises a cylinder, a piston rod is sleeved on the outer surface of the cylinder, which is close to the cleaning pool, a pressurizing assembly is arranged on one side, away from the cylinder, of the piston rod, the pressurizing assembly is sleeved with a reverse osmosis assembly, and a water retaining rod is arranged on one side, away from the pressurizing assembly, of the reverse osmosis assembly.
Further, the supercharging assembly comprises a second connecting pipe, a first rubber ring is sleeved on the outer surface of the second connecting pipe, a second rubber ring is sleeved on the outer surface of the first rubber ring, limiting blocks are arranged on the outer surfaces of the second connecting pipe and the first rubber ring, and springs are arranged in the limiting blocks.
Further, the surface of second connecting pipe is provided with the water inlet, the water inlet is close to the one end of second connecting pipe and is seted up flutedly, the surface sliding connection of second connecting pipe has the breakwater, and breakwater and recess block.
A chemical cleaning method of a reverse osmosis membrane, performed by the above apparatus, comprising the steps of:
s1, taking the cover out of the shell, placing the shell and the film on the partition board, carrying out catalytic reaction on enzyme and the film through the drug inlet, and cleaning impurities attached to the outer surface of the film;
s2, after the cleaning in the medicine feeding box is finished, placing the shell on a first clamping rod, and flushing the film for the first time by using a water tap;
s3, after the first flushing is finished, placing the shell in a second clamping rod, enabling the second connecting pipe, the first rubber ring and the second rubber ring to be in butt joint with the film in sequence, placing water into the film from the water inlet, clamping grooves at the bottom of the water baffle and the water inlet, pushing the piston rod, increasing the pressure inside the film, enabling water in the film and impurities clamped on the outer surface of the film to flow reversely during normal use, and driving the impurity clamping device to clamp the film;
s4, after impurities of the film are removed through the air cylinder, the film is placed on the first clamping rod again, and the film is washed for the second time through a water faucet.
The invention has the beneficial effects that:
when the reverse osmosis membrane cleaning device is used for online cleaning, the pertinence of membranes at different positions is strong, enzymes with different concentrations are given to different membrane shells for chemical reaction, namely when cleaning membranes with different pollution conditions by using cleaning liquid with different concentrations, excessive cleaning of some membranes is avoided, the situation of insufficient cleaning of some membranes is avoided, the cleaning effect is good, the phenomenon of forming cross pollution is avoided, and each membrane shell can be cleaned in turn in a pertinence manner.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic illustration of the structure of an administration set of the present invention;
FIG. 3 is a schematic view of the structure of the separator of the present invention;
FIG. 4 is a schematic view of the structure of the feeding assembly of the present invention;
FIG. 5 is a schematic view of the reverse osmosis module of the present invention;
FIG. 6 is a schematic view of a cleaning assembly according to the present invention;
fig. 7 is a schematic view of the structure of the supercharging assembly of the present invention.
In the figure: 1. a cleaning pool; 2. support legs; 3. a dosing assembly; 31. a drug administration cassette; 32. a motor; 33. a partition plate; 34. a water inlet pipe; 35. a water storage box; 36. a drug feeding assembly; 361. a U-shaped tube; 362. a first connection pipe; 363. a medicine inlet; 364. shielding plugboards; 4. a reverse osmosis module; 41. a housing; 42. a cover; 43. a film; 5. a first clamping lever; 6. a water tap; 7. a second clamping rod; 8. cleaning the assembly; 81. a cylinder; 82. a piston rod; 83. a pressurizing assembly; 831. a second connection pipe; 832. a first rubber band; 833. a second rubber band; 834. a limiting block; 835. a water inlet; 836. a water baffle; 84. a water retaining rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The utility model provides a chemical cleaning device of reverse osmosis membrane, as shown in fig. 1, including wasing pond 1, the lower fixed surface of wasing pond 1 installs supporting leg 2, supporting leg 2 supports wasing pond 1, the upper surface of wasing pond 1 is provided with the subassembly 3 of dosing, the upper surface of subassembly 3 of dosing is provided with reverse osmosis module 4, can use subassembly 3 of dosing to carry out enzymatic catalysis to reverse osmosis module 4, the inner wall fixed mounting of wasing pond 1 has first clamping lever 5, first clamping lever 5 carries out the centre gripping to reverse osmosis module 4, the upper surface fixed mounting of wasing pond 1 has tap 6, tap 6 washes reverse osmosis module 4, the inner wall sliding connection of wasing pond 1 has second clamping lever 7, second clamping lever 7 can carry out the centre gripping to reverse osmosis module 4, the inner chamber of second clamping lever 7 has cup jointed and has washd subassembly 8, wash subassembly 8 can get rid of the impurity of pressing from both sides in reverse osmosis module 4 inside.
As shown in fig. 2 and 3, the drug delivery assembly 3 comprises a drug delivery box 31, a motor 32 is arranged on the outer surface of the drug delivery box 31, a plurality of groups of partition boards 33 are arranged in the drug delivery box 31, long grooves are formed in the middle of each partition board 33, the long grooves are sequentially reduced, the outer surface of the reverse osmosis assembly 4 is attached to the long grooves, a water inlet pipe 34 is sleeved on one side, far away from the motor 32, of the drug delivery box 31, a water storage box 35 is arranged on the outer surface of the drug delivery box 31, a small hole is formed in one side, close to the water storage box 35, of the drug delivery box 31, a drug delivery assembly 36 is arranged on one side, far away from the water storage box 35, of the drug delivery box 31, a shell 41 is placed in the drug delivery box 31, the long grooves of the partition boards 33 sequentially correspond to the thin films 43, namely mixed liquid in each layer of the partition boards 33 enters the thin films 43 of different layers, the space between the layers of each thin film 43 is equal, unequal amount of enzyme is placed in the drug delivery assembly 36, the enzyme enters between the respective interlayer partition boards 33, water is overflowed in the water adding process of the water inlet pipe 34, and when water in the top partition boards 33 enters the water storage box 35, and water in the water storage box 35 is stopped.
As shown in fig. 4, the medicine feeding assembly 36 includes a U-shaped tube 361, two U-shaped tubes 361 are provided, a plurality of groups of first connecting tubes 362 are provided on the outer surface of the U-shaped tube 361, the U-shaped tubes 361 are connected by the first connecting tubes 362, a medicine feeding opening 363 is provided on the upper surface of the U-shaped tube 361 far from the medicine feeding cassette 31, a shielding insert plate 364 is sleeved on the upper surface of the U-shaped tube 361 near the medicine feeding cassette 31, the inside of the U-shaped tube 361 can be observed, that is, the U-shaped tube 361 is made of transparent material, enzyme is added from the medicine feeding opening 363 into the U-shaped tube 361, the enzyme is stopped when the enzyme covers the uppermost first connecting tube 362, at this time, the shielding insert plate 364 is pulled to enable the enzyme in the first connecting tubes 362 to enter the interlayers of the partition 33, and each group of first connecting tubes 362 corresponds to the interlayers of different partition 33, so that the interlayers on the upper end contain more enzyme, that the chemical reaction is intense, and the impurities inside the film 43 with smaller diameter need to contain high concentration enzyme for catalytic reaction.
As shown in fig. 2 and 4, the first connecting tube 362 is sleeved with the drug delivery box 31, the enzyme in the first connecting tube 362 finally enters the interlayer of the partition 33 from the drug delivery box 31, and sequentially decreases from top to bottom, the diameter of the first connecting tube 362 sequentially decreases, the reverse osmosis component 4 comprises a shell 41, two sides of the shell 41 are provided with covers 42, a plurality of groups of films 43 are arranged in the shell 41, the diameters of the films 43 sequentially decrease, the first connecting tube 362 sequentially is in butt joint with the partition 33 from top to bottom from inside to outside, i.e. the catalyst of the uppermost partition 33 enters the films 43 of the innermost layer to react.
As shown in fig. 6, the cleaning assembly 8 includes an air cylinder 81, the outer surface of the air cylinder 81 close to the cleaning tank 1 is sleeved with a piston rod 82, one side of the piston rod 82 away from the air cylinder 81 is provided with a pressurizing assembly 83, the pressurizing assembly 83 is sleeved with a reverse osmosis assembly 4, one side of the reverse osmosis assembly 4 away from the pressurizing assembly 83 is provided with a water blocking rod 84, one side of the water blocking rod 84, which is contacted with the reverse osmosis assembly 4, can completely cover the outer surface of the reverse osmosis assembly 4, the water blocking rod 84 prevents water in the reverse osmosis assembly 4 from flowing out from one side of the attached reverse osmosis assembly 4, the air cylinder 81 drives the piston rod 82 to increase the pressure inside the pressurizing assembly 83, water in the reverse osmosis assembly 4 flows out from the position close to the pressurizing assembly 83, and impurities attached to the outer surface of the film 43 are removed.
As shown in fig. 6 and 7, the pressurizing assembly 83 includes a second connecting pipe 831, a first rubber ring 832 is sleeved on the outer surface of the second connecting pipe 831, a second rubber ring 833 is sleeved on the outer surface of the first rubber ring 832, a limiting block 834 is disposed on the outer surfaces of the second connecting pipe 831 and the first rubber ring 832, a spring is disposed inside the limiting block 834, a water inlet 835 is disposed on the outer surface of the second connecting pipe 831, a groove is disposed at one end of the water inlet 835 near the second connecting pipe 831, a water baffle 836 is slidably connected to the outer surface of the second connecting pipe 831, the water baffle 836 is clamped with the groove, water is added into the water inlet 835, the water baffle 836 is sleeved with the film 43 at the innermost layer through the second connecting pipe 831, the groove at the bottom end of the water inlet 835, the air cylinder 81 drives a piston rod 82 to increase the internal pressure of the second connecting pipe 831, impurities attached to the outer surface of the inner innermost layer film 43 are discharged, that is, some impurities on the outer surface of the film 43 cannot enter the innermost layer, the impurities are clamped on the outer surface of the film 43, the impurities are extruded on the outer surface of the film 43 by increasing the internal extrusion, the impurities are extruded on the outer surface of the first rubber ring and the film 832 and the film 43 are extruded once, and the impurities are finally, and the impurities are flushed out.
When the device is used, the cover 42 is taken out of the shell 41, the shell 41 and the film 43 are placed on the partition 33, catalytic reaction is carried out on the enzyme and the film 43 through the medicine inlet 363, impurities attached to the outer surface of the film 43 are cleaned, after the cleaning in the medicine feeding box 31 is completed, the shell 41 is placed on the first clamping rod 5, the film 43 is flushed for the first time by using the water faucet 6, after the first flushing is completed, the shell 41 is placed in the second clamping rod 7, the first rubber ring 832 is enabled to slide on the second connecting pipe 831 and be sleeved with the film 43 by pressing the limiting block 834, the second rubber ring 833 can slide on the first rubber ring 832 and be sleeved with the film 43 by pressing the limiting block 834, so that the second connecting pipe 831, the first rubber ring 832 and the second rubber ring 833 are sequentially connected with the film 43, water is put into the water inlet 835, after the water retaining plate 836 and the groove at the bottom of the water inlet 835 are clamped, the piston rod 82 is pushed, the inside the film 43 is increased, the water in the film 43 flows reversely when the first flushing is completed, the film 43 is driven to be clamped on the outer surface of the film 43, the film 43 is driven to be pressed into the air cylinder 82 by the piston rod 82, the second pressure is increased, the film 43 is compressed by the piston rod 82, and the impurities are removed by the second piston rod 43 is compressed and the air cylinder 43, and the impurities are removed, after the film 43 is compressed, and the impurities are amplified, and the film 43 is pressed.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (6)
1. The utility model provides a chemical cleaning device of reverse osmosis membrane, includes washs pond (1), its characterized in that, the lower surface fixed mounting of washs pond (1) has supporting leg (2), the upper surface of wasing pond (1) is provided with dosing module (3), the upper surface of dosing module (3) is provided with reverse osmosis module (4), the inner wall fixed mounting of wasing pond (1) has first clamping lever (5), the upper surface fixed mounting of wasing pond (1) has tap (6), the inner wall sliding connection of wasing pond (1) has second clamping lever (7), the inner chamber of second clamping lever (7) has cup jointed cleaning module (8);
the medicine feeding assembly (3) comprises a medicine feeding box (31), a motor (32) is arranged on the outer surface of the medicine feeding box (31), a plurality of groups of partition boards (33) are arranged in the medicine feeding box (31), long grooves are formed in the middle of the partition boards (33) and sequentially reduced, the outer surface of the reverse osmosis assembly (4) is attached to the long grooves, a water inlet pipe (34) is sleeved on one side, far away from the motor (32), of the medicine feeding box (31), a water storage box (35) is arranged on the outer surface of the medicine feeding box (31), small holes are formed in one side, close to the water storage box (35), of the medicine feeding box (31), and a medicine feeding assembly (36) is arranged on one side, far away from the water storage box (35);
the medicine feeding assembly (36) comprises two U-shaped pipes (361), a plurality of groups of first connecting pipes (362) are arranged on the outer surface of each U-shaped pipe (361), the U-shaped pipes (361) are connected through the first connecting pipes (362), medicine feeding ports (363) are formed in the upper surfaces, far away from the medicine feeding boxes (31), of the U-shaped pipes (361), and shielding insertion plates (364) are sleeved on the upper surfaces, close to the medicine feeding boxes (31), of the U-shaped pipes (361);
the first connecting pipe (362) is sleeved with the drug delivery box (31), and the diameters of the first connecting pipes (362) are sequentially reduced;
the reverse osmosis component (4) comprises a shell (41), wherein a plurality of groups of films (43) are arranged in the shell (41), and the diameters of the films (43) are sequentially reduced.
2. A chemical cleaning device for reverse osmosis membranes according to claim 1, characterized in that both sides of the housing (41) are provided with covers (42).
3. The chemical cleaning device for reverse osmosis membranes according to claim 2, characterized in that the cleaning assembly (8) comprises an air cylinder (81), a piston rod (82) is sleeved on the outer surface of the air cylinder (81) close to the cleaning tank (1), a pressurizing assembly (83) is arranged on one side, far away from the air cylinder (81), of the piston rod (82), the pressurizing assembly (83) is sleeved on the reverse osmosis assembly (4), and a water blocking rod (84) is arranged on one side, far away from the pressurizing assembly (83), of the reverse osmosis assembly (4).
4. A chemical cleaning device for a reverse osmosis membrane according to claim 3, wherein the pressurizing assembly (83) comprises a second connecting pipe (831), a first rubber ring (832) is sleeved on the outer surface of the second connecting pipe (831), a second rubber ring (833) is sleeved on the outer surface of the first rubber ring (832), limiting blocks (834) are arranged on the outer surfaces of the second connecting pipe (831) and the first rubber ring (832), and springs are arranged inside the limiting blocks (834).
5. The chemical cleaning device for a reverse osmosis membrane according to claim 4, wherein a water inlet (835) is provided on the outer surface of the second connecting pipe (831), a groove is provided at one end of the water inlet (835) close to the second connecting pipe (831), a water baffle (836) is slidingly connected to the outer surface of the second connecting pipe (831), and the water baffle (836) is engaged with the groove.
6. A method for chemically cleaning a reverse osmosis membrane, said method employing a device for chemically cleaning a reverse osmosis membrane according to claim 5, comprising the steps of:
s1, taking the cover (42) out of the shell (41), placing the shell (41) and the film (43) on the partition board (33), carrying out catalytic reaction on the enzyme and the film (43) through the medicine inlet (363), and cleaning impurities attached to the outer surface of the film (43);
s2, after the cleaning in the medicine feeding box (31) is finished, placing the shell (41) on the first clamping rod (5), and flushing the film (43) for the first time by using the water tap (6);
s3, after the first flushing is finished, placing the shell (41) in a second clamping rod (7), enabling a second connecting pipe (831), a first rubber ring (832) and a second rubber ring (833) to be sequentially abutted against the film (43), placing water into the film from a water inlet (835), clamping a water baffle (836) with a groove at the bottom of the water inlet (835), pushing a piston rod (82), increasing the pressure inside the film (43), enabling water in the film (43) to reversely flow when the film is normally used, and driving impurities clamped on the outer surface of the film (43);
s4, removing impurities from the film (43) through the air cylinder (81), putting the film (43) on the first clamping rod (5) again, and flushing the film (43) for the second time by using the water faucet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039418.XA CN113797760B (en) | 2021-09-06 | 2021-09-06 | Chemical cleaning device and cleaning method for reverse osmosis membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039418.XA CN113797760B (en) | 2021-09-06 | 2021-09-06 | Chemical cleaning device and cleaning method for reverse osmosis membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113797760A CN113797760A (en) | 2021-12-17 |
| CN113797760B true CN113797760B (en) | 2024-02-09 |
Family
ID=78940462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111039418.XA Active CN113797760B (en) | 2021-09-06 | 2021-09-06 | Chemical cleaning device and cleaning method for reverse osmosis membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113797760B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115770485B (en) * | 2022-11-29 | 2023-07-14 | 浙江奥氏环境科技有限公司 | Anti-fouling reverse osmosis membrane assembly |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11342361A (en) * | 1998-05-29 | 1999-12-14 | Asahi Chem Ind Co Ltd | Method and device for recycling cleaning solution by membrane filtration |
| JP2006272256A (en) * | 2005-03-30 | 2006-10-12 | Kurita Water Ind Ltd | Membrane separation device and membrane separation method |
| JP2006281022A (en) * | 2005-03-31 | 2006-10-19 | Toray Ind Inc | Method and apparatus for cleaning of separation membrane module |
| CN200961106Y (en) * | 2006-08-31 | 2007-10-17 | 苏智彬 | Reverse osmosis pressure container with multiply dense water outlets |
| JP2009195804A (en) * | 2008-02-20 | 2009-09-03 | Mitsubishi Heavy Ind Ltd | Method and device for cleaning reverse osmosis membrane module |
| EP2233199A1 (en) * | 2009-03-27 | 2010-09-29 | King Abdulaziz City for Science and Technology | Self-cleaning reverse osmosis device |
| CN206008495U (en) * | 2016-08-18 | 2017-03-15 | 广州新能源水处理有限公司 | A kind of reverse osmosis membrane cleaning detection integration apparatus |
| CN109485110A (en) * | 2018-12-26 | 2019-03-19 | 湖北君集水处理有限公司 | A kind of dosing pre-reaction device |
| CN109621730A (en) * | 2018-11-30 | 2019-04-16 | 江苏旭龙环境科技有限公司 | A kind of novel off-line type cleaning equipment for reverse osmosis membrane and its cleaning process |
| CN110975633A (en) * | 2019-12-23 | 2020-04-10 | 中国科学院青岛生物能源与过程研究所 | Osmotic membrane cleaning system based on osmotic pressure difference |
| CN212403568U (en) * | 2020-03-11 | 2021-01-26 | 苏州东睿节能环保科技有限公司 | RO membrane belt cleaning device among water treatment facilities |
| CN213913178U (en) * | 2020-12-03 | 2021-08-10 | 常州市美纤膜技术有限公司 | Continuous belt cleaning device of portable milipore filter |
-
2021
- 2021-09-06 CN CN202111039418.XA patent/CN113797760B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11342361A (en) * | 1998-05-29 | 1999-12-14 | Asahi Chem Ind Co Ltd | Method and device for recycling cleaning solution by membrane filtration |
| JP2006272256A (en) * | 2005-03-30 | 2006-10-12 | Kurita Water Ind Ltd | Membrane separation device and membrane separation method |
| JP2006281022A (en) * | 2005-03-31 | 2006-10-19 | Toray Ind Inc | Method and apparatus for cleaning of separation membrane module |
| CN200961106Y (en) * | 2006-08-31 | 2007-10-17 | 苏智彬 | Reverse osmosis pressure container with multiply dense water outlets |
| JP2009195804A (en) * | 2008-02-20 | 2009-09-03 | Mitsubishi Heavy Ind Ltd | Method and device for cleaning reverse osmosis membrane module |
| EP2233199A1 (en) * | 2009-03-27 | 2010-09-29 | King Abdulaziz City for Science and Technology | Self-cleaning reverse osmosis device |
| CN206008495U (en) * | 2016-08-18 | 2017-03-15 | 广州新能源水处理有限公司 | A kind of reverse osmosis membrane cleaning detection integration apparatus |
| CN109621730A (en) * | 2018-11-30 | 2019-04-16 | 江苏旭龙环境科技有限公司 | A kind of novel off-line type cleaning equipment for reverse osmosis membrane and its cleaning process |
| CN109485110A (en) * | 2018-12-26 | 2019-03-19 | 湖北君集水处理有限公司 | A kind of dosing pre-reaction device |
| CN110975633A (en) * | 2019-12-23 | 2020-04-10 | 中国科学院青岛生物能源与过程研究所 | Osmotic membrane cleaning system based on osmotic pressure difference |
| CN212403568U (en) * | 2020-03-11 | 2021-01-26 | 苏州东睿节能环保科技有限公司 | RO membrane belt cleaning device among water treatment facilities |
| CN213913178U (en) * | 2020-12-03 | 2021-08-10 | 常州市美纤膜技术有限公司 | Continuous belt cleaning device of portable milipore filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113797760A (en) | 2021-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5283618B2 (en) | Hollow fiber membrane module and method for producing the same, hollow fiber membrane module assembly and method for purifying suspended water using them | |
| CN103189129A (en) | Hollow fiber membrane filtration device and method for washing hollow fiber membrane module | |
| TW200906477A (en) | Flat film element for filtration and flat film filtrating modules | |
| CN113797760B (en) | Chemical cleaning device and cleaning method for reverse osmosis membrane | |
| TW201224024A (en) | Hydrophilic agent of hydrophobic porous film and method for hydrophilic hydrophobic porous film using the same | |
| CN114367144B (en) | In-situ multichannel water enrichment filtering and fixing device and method | |
| CN210944947U (en) | A reverse filtration structure of an ultrafiltration device | |
| CN219355868U (en) | Reverse osmosis membrane core replacement device | |
| CN213050120U (en) | Cleaning device for reverse osmosis membrane | |
| JP2003181248A (en) | Separating membrane module and module assembly | |
| CN207786357U (en) | A kind of MBR membrane stacks on-line cleaning system | |
| JP2008514386A (en) | Multiple cartridge, cartridge arrangement frame and collection container | |
| CN113321268B (en) | Sewage plant interlink water treatment equipment with reverse osmosis function | |
| CN212119590U (en) | Membrane component for reproducing ultrafiltration membrane by using waste organic reverse osmosis membrane or organic nanofiltration membrane | |
| CN208471614U (en) | One kind being used for production of instant tea reverse osmosis membrane unit | |
| CN210303197U (en) | Reverse osmosis membrane cleaning device | |
| CN219783971U (en) | Filter device for removing endotoxin | |
| CN216863827U (en) | Drawable stainless steel ultrafiltration membrane water purification device | |
| CN110935318A (en) | Sewage treatment system with ultrafiltration structure | |
| CN113329808A (en) | Membrane, membrane contactor, apparatus and method for removing dissolved oxygen from a fluid | |
| CN219482222U (en) | Multilayer composite reverse osmosis membrane | |
| CN215798622U (en) | Direct drinking device convenient for installing reverse osmosis membrane | |
| CN221107745U (en) | Reverse osmosis membrane filter core quick replacement device | |
| CN220125911U (en) | Reverse osmosis membrane | |
| CN221155731U (en) | Integrated water flow path plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |