CN112295408A - Hollow fiber ultrafiltration membrane and PP combined filter element - Google Patents

Hollow fiber ultrafiltration membrane and PP combined filter element Download PDF

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Publication number
CN112295408A
CN112295408A CN202011139525.5A CN202011139525A CN112295408A CN 112295408 A CN112295408 A CN 112295408A CN 202011139525 A CN202011139525 A CN 202011139525A CN 112295408 A CN112295408 A CN 112295408A
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China
Prior art keywords
filter
flange
wall
pipe
matched
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Pending
Application number
CN202011139525.5A
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Chinese (zh)
Inventor
廖乃上
张旭光
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Hairui Film Technology Nantong Co Ltd
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Hairui Film Technology Nantong Co Ltd
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Priority to CN202011139525.5A priority Critical patent/CN112295408A/en
Publication of CN112295408A publication Critical patent/CN112295408A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14Ultrafiltration; Microfiltration
    • B01D61/18Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14Ultrafiltration; Microfiltration
    • B01D61/145Ultrafiltration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14Ultrafiltration; Microfiltration
    • B01D61/16Feed pretreatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14Ultrafiltration; Microfiltration
    • B01D61/20Accessories; Auxiliary operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D65/00Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02Membrane cleaning or sterilisation ; Membrane regeneration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/16Regeneration of sorbents, filters

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention discloses a hollow fiber ultrafiltration membrane and PP combined filter element, which relates to the field of ultrafiltration membrane filter elements and comprises a filter, wherein a first flange pipe is arranged at the top end of the filter, a second flange pipe is arranged at the bottom end of the filter, a filter flange is arranged on the outer wall of the filter, a water inlet pipe is connected to the top end of the filter, which is positioned above the filter flange, flange holes are formed in the outer parts of the filter, the first flange pipe and the filter flange, matched fixing bolts are arranged in the flange holes, and matched fixing nuts are arranged in the fixing bolts. According to the invention, the connecting disc, the limiting rod, the rotating column and the like are arranged to prevent the inner part of the filter from being damaged or deformed due to overlarge impact force of water flow entering the first flange pipe in the direction, so that the use effect and the filtering effect of the filter are influenced, and the lower filter is prevented from being damaged or destroyed due to the water flow, so that the use safety of the filter is protected and the service life of the filter is prolonged.

Description

Hollow fiber ultrafiltration membrane and PP combined filter element
Technical Field
The invention relates to the field of ultrafiltration membrane filter elements, in particular to a hollow fiber ultrafiltration membrane and PP combined filter element.
Background
The hollow fiber ultrafiltration membrane is one of the ultrafiltration membranes, and is the most mature and advanced technology in the ultrafiltration technology. As the wall of the hollow fiber pipe is fully distributed with micropores, the molecular weight of the substance which can be intercepted by the pore diameter is relatively large, and the intercepted molecular weight can reach thousands to hundreds of thousands. When raw water flows outside or in the hollow fiber under pressure, external pressure and internal pressure are formed respectively, and the ultrafiltration dynamic filtration process can remove intercepted substances along with concentrated water, so that the surface of the membrane is not blocked and the membrane can continuously run for a long time. The technology is characterized by simple use process, no need of heating, energy saving, low-pressure operation and small occupied area of the device, so the technology is widely applied to various fields of water purification, solution separation and concentration, useful substance extraction from waste water and the like at present, and is a high and new technology in the field of waste water purification and recycling.
The core component of hollow fiber milipore filter is the filter core, although this technique can supply equipment to use for a long time, the filter core that exists on the market at present on the washing problem does not possess this function mostly, the life of unable effectual extension filter core, and it is comparatively inconvenient when the filter core is located to the big pipeline, not only the operation is complicated has very influence the installation effectiveness, simultaneously can not effectively cushion rivers in the use, lead to the filter core outside to receive easy emergence behind the sword impact force and warp, thereby influence the filter effect, the life of filter core has been reduced to a certain extent from.
Disclosure of Invention
The invention aims to: in order to solve the problems that the filter element on the market does not have a cleaning function, is complex to install in the using process and does not have a water flow buffering function at present, the hollow fiber ultrafiltration membrane and PP combined filter element are provided.
In order to achieve the purpose, the invention provides the following technical scheme: a hollow fiber ultrafiltration membrane and PP combined filter element comprises a filter, wherein a first flange pipe is arranged at the top end of the filter, a second flange pipe is arranged at the bottom end of the filter, a filter flange is arranged on the outer wall of the filter, a water inlet pipe is connected with the top end of the filter above the filter flange, flange holes are formed in the outer portions of the filter, the first flange pipe and the filter flange and are provided with matched fixing bolts, the fixing bolts are provided with matched fixing nuts, the top end of the water inlet pipe is connected with a buffer, a buffer flange is arranged on the outer wall of the buffer, a plurality of water return grooves are formed in the outer periphery of the water inlet pipe in the inner wall of the filter, groove covers are arranged on the inner wall of each water return groove, connecting columns are connected to the bottom ends of the groove covers, and filter screens are connected to the bottom ends of the, the top of filter screen is located and is provided with the stagnant water piece between a plurality of spliced poles, the inside bottom that is located the filter screen of filter is provided with the milipore filter, the inside of buffer is provided with the connection pad, and the outer wall of connection pad is connected with a plurality of gag lever posts, the bottom of connection pad is connected with the rotary column, and the top of rotary column is connected with the flabellum, the top of flabellum is provided with the flabellum and emits.
Preferably, the connecting disc is connected with the inner wall of the buffer through a limiting rod, and the connecting disc is rotatably connected with the rotary column through a rotary shaft.
Preferably, the top of rotary column is provided with the thread head, and the inner wall of flabellum is provided with thread head assorted screw wall, and the thread head runs through the inside of flabellum and is connected with the flabellum rotation.
Preferably, the height of the water inlet pipe is matched with that of the connecting column, the water return tank is connected with the filter screen through the connecting column, and the inner wall of the water return tank is matched with the outer wall of the tank cover.
Preferably, the water stop block is fit with the water inlet pipe through the lifting of the filter screen, and the inner wall of the water inlet pipe is fit with the outer wall of the water stop block.
Preferably, the flange plate at the bottom end of the first flange pipe is matched with the flange plate on the outer wall of the buffer, the flange plate on the outer wall of the filter is matched with the flange plate at the top end of the second flange pipe, and each flange plate is fixed with the fixing nut through the fixing bolt.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention realizes the convenient installation function of the filter by arranging the first flange pipe, the second flange pipe, the flange holes, the fixing bolts, the fixing nuts, the filter flange plate and the buffer flange plate, thereby arranging the filter between the first flange pipe and the second flange pipe, then inserting the buffer at the top end of the filter into the first flange pipe, inserting the bottom end of the filter into the second flange pipe, then rotating the filter to rotate until the filter flange plate and the buffer flange plate are respectively aligned with the flange holes of the second flange pipe and the first flange pipe, finally respectively penetrating the fixing bolts through the flange holes at each connecting part, and fixing the fixing bolts penetrating through the flange holes through the nuts, improving the convenience and the stability of the installation of the filter and more convenient maintenance and replacement of the filter at the later stage by the connecting mode, thereby improving the convenience and the practicability of the installation of the filter, the installation efficiency is improved, and the time of putting the filter into use is shortened;
2. according to the invention, the connecting disc, the limiting rod, the rotary column, the fan blade cap and the like are arranged to prevent the inner part of the filter from being damaged or deformed due to overlarge impact force of water flow entering from the direction of the first flange pipe, so that the use effect and the filtering effect of the filter are influenced.
3. The invention realizes the cleaning function of the filter by arranging the water return tank, the tank cover, the connecting column, the water stop block, the filter screen, the ultrafiltration membrane and the like, closes the water source in the direction of the first flange pipe during cleaning, then reversely impacts the ultrafiltration membrane in the filter by applying reverse water with stronger pressure from the direction of the second flange pipe, realizes the rising of the ultrafiltration membrane in the filter along with the impact of reverse water flow, drives the tank cover to be separated from the water return tank by the connecting column during rising, simultaneously prevents the reverse water from entering the first flange pipe along with the rising of the ultrafiltration membrane and prevents the reverse water from entering the first flange pipe through blocking the inner wall of the water inlet pipe by the water stop block per se along with the rising of the ultrafiltration membrane, and realizes the cleaning function of 17 by realizing the cleaning function of the ultrafiltration membrane through the flows along with the reverse water flow, and to improve the useful life of the filter.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the filter construction of the present invention;
FIG. 3 is a plan view of the filter of the present invention;
FIG. 4 is a schematic diagram of the structure of an ultrafiltration membrane of the present invention;
FIG. 5 is a diagram of a buffer structure according to the present invention.
In the figure: 1. a filter; 2. a first flange pipe; 3. a second flange pipe; 4. a flange hole; 5. a fixing bolt; 6. fixing a nut; 7. a water outlet; 8. a filter flange; 9. a water inlet pipe; 10. a buffer; 11. a buffer flange; 12. a water return tank; 13. a slot cover; 14. connecting columns; 15. a water stop block; 16. a filter screen; 17. ultrafiltration membranes; 18. a connecting disc; 19. a limiting rod; 20. turning the column; 21. a fan blade; 22. fan blade caps.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.
Referring to fig. 1-5, a hollow fiber ultrafiltration membrane and PP combined filter element comprises a filter 1, a first flange pipe 2 is arranged at the top end of the filter 1, a second flange pipe 3 is arranged at the bottom end of the filter 1, a filter flange 8 is arranged on the outer wall of the filter 1, a water inlet pipe 9 is connected with the top end of the filter 1 above the filter flange 8, flange holes 4 are respectively arranged at the outer parts of the filter 1, the first flange pipe 2 and the filter flange 8, the flange holes 4 are provided with matched fixing bolts 5, the fixing bolts 5 are provided with matched fixing nuts 6, the top end of the water inlet pipe 9 is connected with a buffer 10, a buffer flange 11 is arranged on the outer wall of the buffer 10, a plurality of water return grooves 12 are arranged at the periphery of the water inlet pipe 9 on the inner wall of the filter 1, and a groove cover 13 is arranged on the inner wall, the bottom of every capping 13 all connects spliced pole 14, and the bottom of a plurality of spliced poles 14 is connected with filter screen 16, the top of filter screen 16 is located and is provided with stagnant water piece 15 between a plurality of spliced poles 14, the inside bottom that is located filter screen 16 of filter 1 is provided with milipore filter 17, the inside of buffer 10 is provided with connection pad 18, and the outer wall of connection pad 18 is connected with a plurality of gag lever posts 19, the bottom of connection pad 18 is connected with rotary column 20, and the top of rotary column 20 is connected with flabellum 21, the top of flabellum 21 is provided with flabellum 22.
Please refer to fig. 5, the connection disc 18 is connected to the inner wall of the damper 10 through the limiting rod 19, and the connection disc 18 is rotatably connected to the rotation post 20 through the rotation shaft, so that the connection disc 18 can be connected to the damper 10 through the limiting rod 19 to avoid falling off, and the like, and is connected to the rotation post 20 through the rotation shaft to realize the rotation function of the rotation post 20, thereby realizing the rotation function of the fan blade 21 and the water flow buffering effect.
Please refer to fig. 5, the top end of the rotary column 20 is provided with a screw head, and the inner wall of the fan cap 22 is provided with a screw wall matched with the screw head, the screw head penetrates through the inside of the fan blade 21 to be rotatably connected with the fan cap 22, so that the fan blade 21 can be located on the outer wall of the screw head, and the problem of limiting the fan blade 21 is avoided by the connection of the fan cap 22 and the screw head, thereby improving the rotation effect of the fan blade 21 and the buffering effect of water flow.
Please refer to fig. 1, the height of the water inlet pipe 9 is matched with the height of the connecting column 14, the water returning tank 12 is connected with the filter screen 16 through the connecting column 14, and the inner wall of the water returning tank 12 is matched with the outer wall of the tank cover 13, so that the tank cover 13 can be driven to ascend by the ultrafiltration membrane 17 and the connecting column 14 when the reverse water flow impacts, the opening of the tank cover 13 is maximized under the driving of the connecting column 14, and the problem that the tank cover 13 forms a limit with the buffer 10 when being opened is avoided.
Please refer to fig. 3, the water stop block 15 is engaged with the water inlet pipe 9 by the lifting of the filter screen 16, and the inner wall of the water inlet pipe 9 is engaged with the outer wall of the water stop block 15, so that the filter screen 16 is lifted under the action of the reverse water flow to prevent the reverse water from entering the first flange pipe 2 to cause pollution, and the practicability of the filter 1 is improved.
Please refer to fig. 1, the flange at the bottom of the first flange pipe 2 is matched with the flange at the outer wall of the buffer 10, the flange at the outer wall of the filter 1 is matched with the flange at the top of the second flange pipe 3, and each flange is fixed by the fixing bolt 5 and the fixing nut 6, so that the first flange pipe 2 and the filter 1, and the second farad pipe 3 and the filter 1 can be connected more conveniently and effectively, thereby improving the convenience of connection and reducing the time consumption of the filter 1 during the use.
The working principle is as follows: when the filter is used, firstly, the filter 1 is arranged between a first flange pipe 2 and a second flange pipe 3, when the filter 1 is arranged, the filter 1 is arranged between the first flange pipe 2 and the second flange pipe 3, then a buffer 10 at the top end of the filter 1 is inserted into the inner wall of the first flange pipe 2 until the buffer 10 is completely immersed into the first flange pipe 2 and is matched with the first flange pipe, then the part of the bottom end of the filter 1, which is positioned at the ultrafiltration membrane 17 part, is inserted into the inner wall of the second flange pipe 3 until the filter 1 is completely immersed into the second flange pipe 3 and is matched with the second flange pipe, at the moment, the filter 1 is screwed to rotate until a filter flange plate 8 and a buffer flange plate 11 on the outer wall of the filter 1 are respectively aligned with a flange hole 4 at the top end of the second flange pipe 3 and a flange hole 4 at the top end of the first flange pipe 2, and a fixing bolt 5 respectively penetrates through the flange holes 4 in the first flange pipe 2 and the buffer flange plate 11, fixing bolts 5 penetrate through flange holes 4 in the second flange pipe 3 and the filter flange 8, and nuts are sequentially arranged on the outer wall of each fixing bolt 5 to clamp and fix the first flange pipe 2, the second flange pipe 3 and the filter 1; secondly, when the filter 1 is used after installation, when the water flow entering from the first flange pipe 2 direction is too large and the impact force is too strong, the internal damage or deformation of the filter is very easily caused, thereby affecting the use effect and the filtering effect of the filter 1, therefore, the water flow needs to pass through the buffer 10 before entering the filter 1 from the first flange pipe 2 direction, because the buffer 10 is internally provided with a buffer facility formed by combining the connecting disc 18, the limiting rod 19, the rotating column 20, the fan blade 21 and the fan blade cap 22, the fan blade 21 can rotate under the action of the impact force of the water flow, and the water flow is effectively buffered in the rotating process, thereby avoiding the damage or damage of the water flow to the filter 1 below, thereby protecting the use safety of the filter 1 and prolonging the service life of the filter, and after the filter 1 is used for a long time, because the substances such as filtered impurities, particles and germs accumulated in the internal of the accumulated ultrafiltration membrane 17 cause blockage to throttling micropores, therefore, the water flow of the filter 1 is reduced, the filtering effect is poor and the like, at the moment, a water source in the direction of the first flange pipe 2 can be closed, then the reverse water with stronger pressure applied from the direction of the second flange pipe 3 reversely impacts the ultrafiltration membrane 17 in the filter 1, the ultrafiltration membrane 17 ascends along with the impact of the reverse water flow in the filter 1 and drives the tank cover 13 to be separated from the water return tank 12 through the connecting column 14 during ascending, meanwhile, the water stop block 15 ascends along with the ascending of the ultrafiltration membrane 17 and blocks the inner wall of the water inlet pipe 9 through the reverse water stop block to prevent the reverse water from entering the first flange pipe 2 to cause pollution and incomplete cleaning, partial pathogenic bacteria and impurities in the ultrafiltration membrane 17 along with the impact of the reverse water flow out of the filter 1 from the water return tank 12 and are discharged between the filter flange 8 and the buffer flange 11, so that the cleaning function of the ultrafiltration membrane 17 is, and finally, after the cleaning is finished, water flow in the direction of the first flange pipe 2 is opened, the ultrafiltration membrane 17 is reset again under the action of the water flow and drives the water stop block 15 to be separated from the blocking state of the water inlet pipe 9, and meanwhile, the groove cover 13 is clamped into the water return groove 12 again to prevent external dust and the like from entering the inside of the filter.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a hollow fiber milipore filter and PP combination filter core, includes filter (1), its characterized in that: the top end of the filter (1) is provided with a first flange pipe (2), the bottom end of the filter (1) is provided with a second flange pipe (3), the outer wall of the filter (1) is provided with a filter flange plate (8), the top end of the filter (1) is positioned above the filter flange plate (8) and is connected with a water inlet pipe (9), flange holes (4) are formed in the outer parts of the filter (1), the first flange pipe (2) and the filter flange plate (8), the flange holes (4) are provided with matched fixing bolts (5), the fixing bolts (5) are provided with matched fixing nuts (6), the top end of the water inlet pipe (9) is connected with a buffer (10), the outer wall of the buffer (10) is provided with a buffer flange plate (11), the inner wall of the filter (1) is positioned at the periphery of the water inlet pipe (9) and is provided with a plurality of water return, and the inner wall of every anti-water tank (12) all is provided with capping (13), every equal spliced pole (14) in bottom of capping (13), and the bottom of a plurality of spliced poles (14) is connected with filter screen (16), the top of filter screen (16) is located and is provided with stagnant water piece (15) between a plurality of spliced poles (14), the inside bottom that is located filter screen (16) of filter (1) is provided with milipore filter (17), the inside of buffer (10) is provided with connection pad (18), and the outer wall of connection pad (18) is connected with a plurality of gag lever posts (19), the bottom of connection pad (18) is connected with rotary column (20), and the top of rotary column (20) is connected with flabellum (21), the top of flabellum (21) is provided with flabellum (22).
2. The hollow fiber ultrafiltration membrane and PP combined filter element of claim 1, wherein: the connecting disc (18) is connected with the inner wall of the buffer (10) through a limiting rod (19), and the connecting disc (18) is rotatably connected with the rotating column (20) through a rotating shaft.
3. The hollow fiber ultrafiltration membrane and PP combined filter element of claim 1, wherein: the top of rotary column (20) is provided with the screw thread head, and the inner wall of flabellum (22) is provided with screw thread head assorted screw thread wall, and the screw thread head runs through the inside of flabellum (21) and is connected with flabellum (22) rotation.
4. The hollow fiber ultrafiltration membrane and PP combined filter element of claim 1, wherein: the height of the water inlet pipe (9) is matched with that of the connecting column (14), the water return groove (12) is connected with the filter screen (16) through the connecting column (14), and the inner wall of the water return groove (12) is matched with the outer wall of the groove cover (13).
5. The hollow fiber ultrafiltration membrane and PP combined filter element of claim 1, wherein: the water stop block (15) is matched with the water inlet pipe (9) through the lifting of the filter screen (16), and the inner wall of the water inlet pipe (9) is matched with the outer wall of the water stop block (15).
6. The hollow fiber ultrafiltration membrane and PP combined filter element of claim 1, wherein: the flange plate at the bottom end of the first flange pipe (2) is matched with the flange plate at the outer wall of the buffer (10), the flange plate at the outer wall of the filter (1) is matched with the flange plate at the top end of the second flange pipe (3), and each flange plate is fixed with the fixing nut (6) through the fixing bolt (5).
CN202011139525.5A 2020-10-22 2020-10-22 Hollow fiber ultrafiltration membrane and PP combined filter element Pending CN112295408A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011139525.5A CN112295408A (en) 2020-10-22 2020-10-22 Hollow fiber ultrafiltration membrane and PP combined filter element

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Application Number Priority Date Filing Date Title
CN202011139525.5A CN112295408A (en) 2020-10-22 2020-10-22 Hollow fiber ultrafiltration membrane and PP combined filter element

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Publication Number Publication Date
CN112295408A true CN112295408A (en) 2021-02-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113600021A (en) * 2021-10-09 2021-11-05 迈博瑞生物膜技术(南通)有限公司 Hollow fiber ultrafiltration membrane separation device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202129029U (en) * 2011-06-20 2012-02-01 江苏正本净化节水科技实业有限公司 External pressure type hollow fiber filter device
CN110290856A (en) * 2017-02-10 2019-09-27 旭化成株式会社 Hollow fiber film assembly and filter method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202129029U (en) * 2011-06-20 2012-02-01 江苏正本净化节水科技实业有限公司 External pressure type hollow fiber filter device
CN110290856A (en) * 2017-02-10 2019-09-27 旭化成株式会社 Hollow fiber film assembly and filter method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113600021A (en) * 2021-10-09 2021-11-05 迈博瑞生物膜技术(南通)有限公司 Hollow fiber ultrafiltration membrane separation device

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Application publication date: 20210202