CN114588780B - But membrane module of quick replacement milipore filter - Google Patents
But membrane module of quick replacement milipore filter Download PDFInfo
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- CN114588780B CN114588780B CN202210185017.3A CN202210185017A CN114588780B CN 114588780 B CN114588780 B CN 114588780B CN 202210185017 A CN202210185017 A CN 202210185017A CN 114588780 B CN114588780 B CN 114588780B
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- filter membrane
- wall
- barrel
- limiting
- thick bamboo
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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
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/18—Apparatus therefor
-
- 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
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/20—Accessories; Auxiliary operations
-
- 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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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a membrane assembly capable of quickly replacing an ultrafiltration membrane, which relates to the technical field of water treatment and comprises a barrel, wherein a cover is sleeved at the upper end of the barrel, a filter membrane barrel is arranged in the barrel, an installation part is arranged at the upper end of the filter membrane barrel, a cleaning part is arranged at the lower end of the barrel, the installation part comprises an annular plate and a circular block, the annular plate is fixedly connected to the upper end of the filter membrane barrel, the circular block is arranged in the annular plate, a rotary table is rotatably arranged on the lower surface of the circular block, and a plurality of limiting barrels are uniformly connected to the peripheral outer wall of the circular block. This but membrane module of quick replacement milipore filter, through setting up the installed part, when a filter membrane section of thick bamboo takes place to damage, the user only need rotate the knob, completion that can be quick is to the dismantlement work of a filter membrane section of thick bamboo, has replaced traditional bolt fastening's mode, and then has reduced the dismouting time of a filter membrane section of thick bamboo.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a membrane module capable of quickly replacing an ultrafiltration membrane.
Background
Along with the continuous development of society, people pay more and more attention to the aspect of the environment, especially in the aspect of water treatment, ultrafiltration membrane filter core is used for water treatment, and the inside membrane module of ultrafiltration membrane filter core can give the filtration with the impurity of aquatic.
But the inside membrane module of present milipore filter core adopts bolt fixed connection mostly, when the membrane module takes place to damage, inconvenient dismantlement fast to it, and the inside membrane module of current milipore filter core washs inconveniently, need dismantle the filter membrane get off and wash very trouble.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a membrane component capable of quickly replacing an ultrafiltration membrane, which solves the problems that most of the membrane components in the traditional ultrafiltration membrane filter core are fixedly connected by bolts, and are inconvenient to quickly disassemble when the membrane components are damaged, and the membrane components in the traditional ultrafiltration membrane filter core are inconvenient to clean and need to be disassembled for cleaning.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a but membrane module of quick replacement milipore filter, includes the barrel, the pot head of barrel is equipped with the lid, and the inside of barrel is provided with a filter membrane section of thick bamboo, the upper end of a filter membrane section of thick bamboo is provided with the installed part, the lower extreme of barrel is provided with the cleaning member.
The installed part includes annular slab and circular block, annular slab fixed connection is in the upper end of a filter membrane section of thick bamboo, the circular block sets up in the inside of annular slab, the lower surface of circular block rotates installs the carousel, and the outer wall all around of circular block evenly is connected with the spacing section of thick bamboo of a plurality of, each the one end of spacing section of thick bamboo all is connected with the inner wall of annular slab, the outer wall all around of annular slab evenly runs through slidable mounting has a plurality of and the corresponding location axle of each spacing section of thick bamboo, the lower surface edge of carousel articulates there is a plurality of and the corresponding regulation pole of each spacing section of thick bamboo, each the other end upside of adjusting the pole all rotates and is connected with spacing axle, each the other end of location axle all sets up in the inside of a spacing section of thick bamboo, each the upper end of spacing axle is connected with its corresponding location axle other end downside respectively, the other end of location axle passes through elastic element fixed connection with the other end inner wall of a spacing section of thick bamboo.
Furthermore, each lower side of the limiting cylinder is provided with a sliding groove matched with the limiting shaft, and the limiting shaft penetrates through the sliding groove in a sliding mode.
Furthermore, a knob is rotatably mounted in the middle of the upper surface of the circular block, and the lower end of the knob rotatably penetrates through the upper surface of the circular block and is connected with the upper end of the rotary table.
Furthermore, a plurality of positioning holes corresponding to the positioning shafts are formed in the inner wall above the barrel, and when the elasticity of the elastic element is in a reset state, one end of each positioning shaft is clamped in the corresponding positioning hole.
Further, the upper end outer wall of barrel is provided with the external screw thread, be connected through the external screw thread between lid and the barrel.
Furthermore, a water outlet communicated with the inside of the cylinder body is formed in one side below the cylinder body, and a water inlet communicated with the inside of the cover is formed in the middle of the upper surface of the cover.
Further, the cleaning piece comprises a sealing plate and an annular sleeve, the sealing plate is fixedly connected to the lower end of the barrel through bolts, the annular sleeve is sleeved on the outer wall of the upper end of the filter membrane barrel in a sliding mode, the upper surfaces of the two sides of the sealing plate are respectively provided with a first guide rod in a penetrating mode, the upper end of the first guide rod is respectively connected to the lower surfaces of the two sides of the annular sleeve, the inner wall of the two sides of the upper portion of the barrel is located below the mounting piece in a rotating mode and provided with a winding wheel, a spiral spring rope is wound inside the winding wheel in a wound mode and provided with a lower end fixedly connected to the upper surfaces of the two sides of the annular sleeve, the middle position of the upper surface of the sealing plate is provided with a second guide rod in a penetrating mode, the upper end of the second guide rod is horizontally connected with a connecting rod, an annular hoop is fixedly connected between the two ends of the connecting rod, and the annular hoop is arranged inside the upper portion of the filter membrane barrel.
Furthermore, a limiting plate is horizontally connected between the lower ends of the two first guide rods, a pull ring is fixedly connected to the middle position of the lower side of the limiting plate, and the lower end of the second guide rod is fixedly connected to the upper surface of the limiting plate.
Furthermore, the upper surface of the sealing plate is fixedly connected with a sealing gasket matched with the lower end of the filter membrane cylinder, the lower end of the filter membrane cylinder is tightly attached to the upper surface of the sealing gasket, and the filter membrane cylinder is a rubber component.
Furthermore, the inner wall of the annular sleeve is fixedly connected with a first cleaning wiper, the inner wall of the first cleaning wiper is attached to the outer wall of the filter membrane cylinder, the outer wall of the annular hoop is fixedly connected with a second cleaning wiper, and the outer wall of the second cleaning wiper is attached to the inner wall of the filter membrane cylinder.
Advantageous effects
The invention provides a membrane component capable of quickly replacing an ultrafiltration membrane, which has the following beneficial effects compared with the prior art:
1. this but membrane module of quick replacement milipore filter, through setting up the installed part, when a filter membrane section of thick bamboo takes place to damage, the user only need rotate the knob, completion that can be quick is to the dismantlement work of a filter membrane section of thick bamboo, has replaced traditional bolt fastening's mode, and then has reduced the dismouting time of a filter membrane section of thick bamboo.
2. This but membrane module of quick replacement milipore filter through setting up clean, stimulates the pull ring on the limiting plate, can conveniently carry out cleaning to a filter membrane section of thick bamboo, need not to wash filter membrane section of thick bamboo whole for dismantling, and convenient and fast can clean simultaneously inside and outside the filter membrane section of thick bamboo simultaneously, has improved clean effect, and can not occupation space after the cleanness finishes.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic, broken away view of the structure of the present invention;
FIG. 3 is a bottom view of the mounting member structure of the present invention;
FIG. 4 is a front view of the mounting member structure of the present invention;
FIG. 5 is a schematic view of the installation of the positioning shaft structure of the present invention;
figure 6 is a schematic view of the structure of the cleaning element of the present invention.
In the figure: 1. a cylinder body; 11. a water outlet; 2. a cover; 21. a water inlet; 3. a filter membrane cartridge; 4. a mounting member; 41. an annular plate; 42. a circular block; 43. a turntable; 44. a limiting cylinder; 45. positioning the shaft; 46. adjusting a rod; 47. a limiting shaft; 48. an elastic element; 49. a chute; 410. a knob; 5. a cleaning member; 51. a sealing plate; 52. an annular sleeve; 53. a first guide bar; 54. a winding wheel; 55. a spiral spring cord; 56. a limiting plate; 57. a pull ring; 58. a gasket; 59. a first cleaning wipe; 510. an annular hoop; 511. a connecting rod; 512. a second guide bar; 513. and (6) a second cleaning wipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the invention provides a technical scheme, a membrane module capable of rapidly replacing an ultrafiltration membrane comprises a cylinder body 1, a cover 2 is sleeved on the upper end of the cylinder body 1, a filter membrane cylinder 3 is arranged inside the cylinder body 1, an installation part 4 is arranged at the upper end of the filter membrane cylinder 3, a cleaning part 5 is arranged at the lower end of the cylinder body 1, external threads are arranged on the outer wall of the upper end of the cylinder body 1, the cover 2 is connected with the cylinder body 1 through the external threads, a water outlet 11 communicated with the inside of the cylinder body 1 is arranged on one side below the cylinder body 1, and a water inlet 21 communicated with the inside of the cover 2 is arranged in the middle position of the upper surface of the cover 2.
Referring to fig. 3-5, in the embodiment of the present invention, the mounting member 4 includes an annular plate 41 and a circular block 42, the annular plate 41 is fixedly connected to the upper end of the filter membrane cylinder 3, the circular block 42 is disposed inside the annular plate 41, a rotating disc 43 is rotatably mounted on the lower surface of the circular block 42, a plurality of limiting cylinders 44 are uniformly connected to the peripheral outer wall of the circular block 42, one end of each limiting cylinder 44 is connected to the inner wall of the annular plate 41, a plurality of positioning shafts 45 corresponding to each limiting cylinder 44 are uniformly slidably mounted on the peripheral outer wall of the annular plate 41, a plurality of adjusting rods 46 corresponding to each limiting cylinder 44 are hinged to the lower surface edge of the rotating disc 43, a limiting shaft 47 is rotatably connected to the upper side of the other end of each adjusting rod 46, the other end of each positioning shaft 45 is disposed inside the limiting cylinder 44, the upper end of each limiting shaft 47 is connected with the lower side of the other end of the corresponding positioning shaft 45, the other end of the positioning shaft 45 is fixedly connected with the inner wall of the other end of the limiting barrel 44 through an elastic element 48, a sliding groove 49 matched with the limiting shaft 47 is formed in the lower side of each limiting barrel 44, the limiting shaft 47 slides to penetrate through the sliding groove 49, the sliding groove 49 enables the limiting shaft 47 to drive the positioning shaft 45 to move conveniently, a knob 410 is rotatably installed at the middle position of the upper surface of the circular block 42, the lower end of the knob 410 rotates to penetrate through the upper surface of the circular block 42 and is connected with the upper end of the rotary table 43, a plurality of positioning holes corresponding to the positioning shafts 45 are formed in the inner wall of the upper portion of the barrel body 1, and when the elasticity of the elastic element 48 is in a reset state, one end of each positioning shaft 45 is clamped inside the corresponding positioning hole.
Referring to fig. 6, in the embodiment of the present invention, the cleaning element 5 includes a sealing plate 51 and an annular sleeve 52, the sealing plate 51 is fixedly connected to the lower end of the cylinder 1 by bolts, the annular sleeve 52 is slidably mounted on the outer wall of the upper end of the filter membrane cylinder 3 in a sleeved manner, first guide rods 53 are slidably mounted on the upper surfaces of both sides of the sealing plate 51, the upper ends of the two first guide rods 53 are respectively connected to the lower surfaces of both sides of the annular sleeve 52, winding wheels 54 are rotatably mounted on the inner walls of both sides of the upper portion of the cylinder 1 below the mounting element 4, spiral spring strings 55 are wound inside the two winding wheels 54, the lower ends of the two spiral spring strings 55 are respectively and fixedly connected to the upper surfaces of both sides of the annular sleeve 52, a second guide rod 512 is slidably mounted on the middle position of the upper surface of the sealing plate 51, a connecting rod 511 is horizontally connected to the upper end of the second guide rod 512, an annular hoop 510 is fixedly connected between both ends of the connecting rod 511, the annular hoop 510 is disposed inside the upper portion of the filter membrane cylinder 3, a limiting plate 56 is horizontally connected between the lower ends of the two first guide rods 53, a pull ring 57 is fixedly connected to the middle position of the lower end of the limiting plate 56, a sealing plate 56 is tightly connected to the upper surface of the sealing plate 58 of the sealing plate, and tightly connected to the sealing plate 58 of the sealing plate 5, and the filter membrane cylinder 3 is a rubber component, the sealing gasket 58 can play a sealing role, the inner wall of the annular sleeve 52 is fixedly connected with a first cleaning wiper 59, the inner wall of the first cleaning wiper 59 is attached to the outer wall of the filter membrane cylinder 3, the outer wall of the annular hoop 510 is fixedly connected with a second cleaning wiper 513, and the outer wall of the second cleaning wiper 513 is attached to the inner wall of the filter membrane cylinder 3.
And those not described in detail in this specification are well within the skill of those in the art.
The working principle is as follows: the knob 410 is rotated to drive the turntable 43 to rotate, the turntable 43 drives each adjusting rod 46 to do eccentric motion, the adjusting rods 46 can drive the limiting shafts 47 to slide in the sliding grooves 49 on the limiting cylinders 44, under the elasticity of the elastic elements 48, the limiting shafts 47 can drive the positioning shafts 45 to move, the positioning shafts 45 can move to the inside of the limiting cylinders 44, then the filter membrane cylinders 3 are inserted into the cylinders 1, the lower ends of the filter membrane cylinders 3 are abutted to the sealing gaskets 58 on the sealing plates 51 to achieve a sealing effect, meanwhile, the positioning shafts 45 are aligned with the positioning holes in the upper inner walls of the cylinders 1, the knob 410 is loosened after alignment, the elastic elements 48 can reset the positioning shafts 45, and then one ends of the positioning shafts 45 are inserted into the positioning holes, so that the installation work of the filter membrane cylinders 3 can be completed, during disassembly, the knob 410 is rotated again to enable the turntable 43 to be separated from the positioning holes in the upper inner walls of the cylinders 1, and then the filter membrane cylinders 3 are taken out of the cylinders 1 to complete disassembly work;
further, when the filter membrane cylinder 3 needs to be cleaned, the pull ring 57 on the limit plate 56 is pulled, under the elasticity of the spiral spring rope 55, the pull ring 57 drives the limit plate 56 to move, the limit plate 56 drives the first guide rod 53 and the second guide rod 512 to move, so as to drive the annular sleeve 52 and the annular hoop 510 to move respectively, the first cleaning wiper 59 on the inner wall of the annular sleeve 52 wipes the outer wall of the filter membrane cylinder 3, and the second cleaning wiper 513 on the outer wall of the annular hoop 510 wipes the inner wall of the filter membrane cylinder 3, so as to improve the cleaning effect of the filter membrane cylinder 3.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (1)
1. The utility model provides a but membrane module of quick replacement milipore filter, includes barrel (1), the upper end cover of barrel (1) is equipped with lid (2), and the inside of barrel (1) is provided with a filtration membrane section of thick bamboo (3), its characterized in that: the upper end of the filter membrane cylinder (3) is provided with an installation part (4), and the lower end of the cylinder body (1) is provided with a cleaning part (5);
the mounting part (4) comprises an annular plate (41) and a circular block (42), the annular plate (41) is fixedly connected to the upper end of the filter membrane cylinder (3), the circular block (42) is arranged inside the annular plate (41), a rotary disc (43) is rotatably arranged on the lower surface of the circular block (42), a plurality of limiting cylinders (44) are uniformly connected to the peripheral outer wall of the circular block (42), each limiting cylinder (44) is connected to the inner wall of the annular plate (41), a plurality of positioning shafts (45) corresponding to the limiting cylinders (44) are uniformly slidably arranged on the peripheral outer wall of the annular plate (41) in a penetrating mode, a plurality of adjusting rods (46) corresponding to the limiting cylinders (44) are hinged to the lower surface edge of the rotary disc (43), each adjusting rod (46) is rotatably connected to the upper side of the other end of each adjusting rod (46), each positioning shaft (45) is arranged inside the limiting cylinder (44), each positioning shaft (47) is connected to the lower side of the other end of the corresponding positioning shaft (45), and each positioning shaft (45) is connected to the lower side of the other end of the limiting cylinder (44) through an elastic sliding groove (47), and each limiting cylinder (48) is connected to the inner wall of the limiting cylinder (44), the limiting shaft (47) penetrates through the inside of the sliding groove (49) in a sliding mode, a knob (410) is rotatably mounted in the middle of the upper surface of the circular block (42), and the lower end of the knob (410) penetrates through the upper surface of the circular block (42) in a rotating mode and is connected with the upper end of the rotary disc (43);
a plurality of positioning holes corresponding to the positioning shafts (45) are formed in the inner wall of the upper portion of the barrel body (1), when the elasticity of the elastic element (48) is in a reset state, one end of each positioning shaft (45) is clamped inside the corresponding positioning hole, external threads are formed in the outer wall of the upper end of the barrel body (1), the cover (2) is connected with the barrel body (1) through the external threads, a water outlet (11) communicated with the interior of the barrel body (1) is formed in one side of the lower portion of the barrel body (1), and a water inlet (21) communicated with the interior of the cover (2) is formed in the middle of the upper surface of the cover;
the cleaning piece (5) comprises a sealing plate (51) and an annular sleeve (52), the sealing plate (51) is fixedly connected to the lower end of the barrel body (1) through a bolt, the annular sleeve (52) is sleeved and slidably mounted on the outer wall of the upper end of the filter membrane barrel (3), first guide rods (53) are slidably mounted on the upper surfaces of two sides of the sealing plate (51) in a penetrating manner, the upper ends of the two first guide rods (53) are respectively connected to the lower surfaces of two sides of the annular sleeve (52), winding wheels (54) are rotatably mounted on the inner walls of two sides above the barrel body (1) and below the mounting piece (4), scroll spring ropes (55) are wound inside the two winding wheels (54), the lower ends of the two scroll spring ropes (55) are respectively and fixedly connected to the upper surfaces of two sides of the annular sleeve (52), a second guide rod (512) is slidably mounted in a penetrating manner on the middle position of the upper surface of the sealing plate (51), a connecting rod (511) is horizontally connected between two ends of the connecting rod (510), and a hoop is arranged above the filter membrane barrel (3);
two horizontally connect has limiting plate (56) between the lower extreme of first guide bar (53), downside intermediate position department fixedly connected with pull ring (57) of limiting plate (56), the lower extreme fixed connection of second guide bar (512) is in the upper surface of limiting plate (56), the last fixed surface of closing plate (51) is connected with sealed pad (58) with filter membrane section of thick bamboo (3) lower extreme looks adaptation, the lower extreme of filter membrane section of thick bamboo (3) closely laminates with the upper surface that seals up pad (58), and filter membrane section of thick bamboo (3) is a rubber material component, the first cleanness of inner wall fixedly connected with of annular cover (52) wipes (59), the inner wall of first cleanness of wiping (59) and the outer wall laminating of filter membrane section of thick bamboo (3), the outer wall fixedly connected with second cleanness of annular hoop (510) wipes (513), the outer wall of second cleanness of wiping (513) and the inner wall laminating of filter membrane section of thick bamboo (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210185017.3A CN114588780B (en) | 2022-02-28 | 2022-02-28 | But membrane module of quick replacement milipore filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210185017.3A CN114588780B (en) | 2022-02-28 | 2022-02-28 | But membrane module of quick replacement milipore filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114588780A CN114588780A (en) | 2022-06-07 |
| CN114588780B true CN114588780B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210185017.3A Active CN114588780B (en) | 2022-02-28 | 2022-02-28 | But membrane module of quick replacement milipore filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115646193B (en) * | 2022-12-08 | 2023-03-17 | 山东言泉新材料有限公司 | Nano microcrystalline cellulose washing device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5221473A (en) * | 1989-10-13 | 1993-06-22 | Burrows Bruce D | Filter cartridge assembly for a reverse osmosis purification system |
| JP4834984B2 (en) * | 2004-01-14 | 2011-12-14 | 東レ株式会社 | Hollow fiber membrane module and cartridge replacement method thereof |
| CN209663048U (en) * | 2019-01-24 | 2019-11-22 | 邢台新天宇水处理设备有限公司 | A kind of hollow-fibre ultrafiltration device |
| CN210367085U (en) * | 2019-08-04 | 2020-04-21 | 高扬 | Water treatment filtering membrane component |
| CN211370515U (en) * | 2019-11-29 | 2020-08-28 | 河北福鑫净化设备有限公司 | Machine oil filter element for equipment |
| CN214635446U (en) * | 2021-05-08 | 2021-11-09 | 上海约安水技术有限公司 | Ultrafiltration membrane shell |
| CN215742893U (en) * | 2021-06-18 | 2022-02-08 | 江西伍仟年前生态科技有限公司 | Reverse osmosis membrane module for sewage treatment |
| CN113600021B (en) * | 2021-10-09 | 2021-12-07 | 迈博瑞生物膜技术（南通）有限公司 | Hollow fiber ultrafiltration membrane separation device |
| CN217077072U (en) * | 2022-03-10 | 2022-07-29 | 山东博思生物技术有限公司 | Anti-blocking water treatment filter membrane for wastewater treatment |
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