CN117298866A - Ultrafiltration membrane frame capable of realizing bilateral aeration - Google Patents
Ultrafiltration membrane frame capable of realizing bilateral aeration Download PDFInfo
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- CN117298866A CN117298866A CN202311404311.XA CN202311404311A CN117298866A CN 117298866 A CN117298866 A CN 117298866A CN 202311404311 A CN202311404311 A CN 202311404311A CN 117298866 A CN117298866 A CN 117298866A
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- aeration
- water collecting
- branch pipe
- pipe
- membrane
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- 238000005273 aeration Methods 0.000 title claims abstract description 136
- 239000012528 membrane Substances 0.000 title claims abstract description 130
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 21
- 230000002146 bilateral effect Effects 0.000 title claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 164
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims description 46
- 210000002310 elbow joint Anatomy 0.000 claims 1
- 210000001503 joint Anatomy 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 12
- 229910001220 stainless steel Inorganic materials 0.000 description 13
- 239000010935 stainless steel Substances 0.000 description 13
- 238000012423 maintenance Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005276 aerator Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/08—Flat membrane modules
- B01D63/082—Flat membrane modules comprising a stack of flat membranes
- B01D63/0822—Plate-and-frame devices
-
- 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
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/18—Use of gases
Abstract
The invention provides an ultrafiltration membrane frame capable of realizing bilateral aeration, which relates to the technical field of ultrafiltration membranes and comprises a support frame, a water collecting assembly and an aeration assembly, wherein the support frame comprises angle steel upright posts and a beam assembly, and the beam assembly is welded between the angle steel upright posts and is used for supporting the water collecting assembly and the aeration assembly; the water collecting assembly comprises an upper water collecting branch pipe and a lower water collecting branch pipe, and a membrane curtain is arranged between the upper water collecting branch pipe and the lower water collecting branch pipe and the supporting frame; the aeration component comprises an aeration branch pipe which is arranged between the upper water collecting branch pipe and the lower water collecting branch pipe; the aeration branch pipes, the upper water collecting branch pipes and the lower water collecting branch pipes are all arranged on the beam assembly, double-side aeration pipes are further arranged between the aeration branch pipes and the supporting frame, the upper side and the lower side of each double-side aeration pipe are provided with aeration holes, and the membrane curtains on the upper portion and the lower portion are simultaneously aerated, so that the membrane curtains on the upper side and the lower side have uniform air flow intensity, the air flow cleaning effect on the membrane curtains is effectively improved, the aeration intensity of the membrane curtains on the upper portion is especially guaranteed, and the aeration cleaning efficiency is improved.
Description
Technical Field
The invention relates to the technical field of ultrafiltration membranes, in particular to an ultrafiltration membrane frame capable of being aerated at two sides.
Background
The wastewater or micro-polluted drinking water contains organic matters, suspended particles, macromolecules and other substances, so that the effluent quality is good, the effluent suspended matters and turbidity are close to zero, the wastewater can be directly recycled, the recycling of the wastewater is realized, and a membrane treatment device is required to be arranged in the wastewater and the micro-polluted drinking water.
At present, an immersed membrane tank is often adopted for water quality treatment, an ultrafiltration membrane frame is arranged in the membrane tank, and only one side of water collection is carried out on the existing membrane frame, so that the efficiency is low; part of the membrane frame can collect water from both sides through the upper water collecting cross beam and the lower water collecting cross beam, but the aeration pipeline is arranged at the upper part or the lower part for aeration, so that the ultrafiltration membrane of the water collecting cross beam at one side always has low aeration intensity and is not cleaned in place, and impurities adhered to the membrane curtain cannot be cleaned in time, so that the effect of water quality treatment is affected. And the water producing port of the existing curtain type membrane is often connected to the water collecting cross beam through a water collecting connecting piece of stainless steel, if a single membrane curtain on the membrane frame is damaged, the whole membrane frame is required to be lifted out to realize maintenance and offline cleaning, so that maintenance manpower is increased, and meanwhile, the reduction of online water production and the utilization rate of the membrane are restrained.
Disclosure of Invention
Aiming at the defects in the prior art, the application provides an ultrafiltration membrane frame capable of double-side aeration, which can be integrated with a membrane box to reduce the whole volume; the membrane frame and the internal components are detachably connected, so that the assembly, maintenance and cleaning are convenient; in addition, the aeration branch pipes are arranged in the middle layer, so that the upper membrane curtain and the lower membrane curtain are simultaneously aerated, the scrubbing effect of aeration is ensured, and meanwhile, the cleaning efficiency is improved; and the single membrane curtain can be directly disassembled for maintenance or cleaning while the firm installation of the membrane curtain is ensured.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the invention provides an ultrafiltration membrane frame capable of realizing bilateral aeration, which comprises a support frame, a water collecting assembly and an aeration assembly, wherein the support frame comprises angle steel upright posts and a beam assembly, the angle steel upright posts are vertically arranged, and the beam assembly is welded between the angle steel upright posts and is used for supporting the water collecting assembly and the aeration assembly; the water collecting assembly comprises an upper water collecting branch pipe and a lower water collecting branch pipe, the lower water collecting branch pipe is arranged in parallel below the upper water collecting branch pipe, and a membrane curtain is arranged between the upper water collecting branch pipe, the lower water collecting branch pipe and the supporting frame; the aeration component comprises an aeration branch pipe which is arranged between an upper water collecting branch pipe and a lower water collecting branch pipe; the aeration branch pipe, the upper water collecting branch pipe and the lower water collecting branch pipe are all arranged on the beam assembly, a double-side aeration pipe is further arranged between the aeration branch pipe and the supporting frame, and aeration holes are formed in the upper side and the lower side of the double-side aeration pipe.
As a further implementation manner, the beam assembly comprises horizontally arranged aeration pipe jack beams, and the aeration pipe jack beams are welded between adjacent angle steel upright posts; the double-side aeration pipe is of a 90-degree bent pipe structure and comprises a vertical pipe and a transverse pipe, one end of the vertical pipe is connected with an aeration branch pipe, and one end of the transverse pipe is connected with an aeration pipe jack cross beam in a socket-spigot mode.
As a further implementation manner, a plurality of aeration holes are formed in the upper side and the lower side of the transverse tube, and the aeration holes are uniformly distributed; the vertical pipes are connected with the aeration branch pipes through loose joints.
As a further implementation mode, the beam assembly comprises an upper supporting beam, a middle supporting beam and a lower supporting beam, wherein the upper supporting beam, the middle supporting beam and the lower supporting beam are respectively two and symmetrically welded between the angle steel upright posts to form a three-layer bracket structure; the upper support beam is provided with a water collecting branch pipe, the middle support beam is provided with an aeration branch pipe, and the lower support beam is provided with a lower water collecting branch pipe to form upper and lower double-side water collection; the upper water collecting branch pipe, the lower water collecting branch pipe and the aeration main pipe are uniformly and parallelly arranged to form left and right double-side water collecting.
As a further implementation mode, a plurality of metal soft connections are uniformly arranged on the lower side of the upper water collecting branch pipe, each metal soft connection comprises a metal hose, one end of each metal soft connection is detachably connected with the upper water collecting branch pipe, and the other end of each metal soft connection is detachably connected with the membrane curtain.
As a further implementation mode, a plurality of first connecting pieces are welded on the lower side of the upper water collecting branch pipe, the first connecting pieces are cylindrical, one end of each first connecting piece is welded on the upper water collecting branch pipe, and external threads are arranged on the other end of each first connecting piece; and one end of the metal hose is fixedly provided with a second connecting piece, the second connecting piece is provided with internal threads, and the second connecting piece is in threaded connection with the first connecting piece.
As a further implementation mode, the other end of the metal hose is fixedly provided with an elbow connector, and the metal hose is connected with one end of the membrane curtain in a socket connection mode through the elbow connector.
As a further implementation manner, the other end of the membrane curtain is connected with a beam assembly, the beam assembly further comprises a jack beam, and the membrane curtain is in socket connection with the jack beam; the flexible metal connecting device is characterized in that a membrane curtain support is arranged at the lower end of the flexible metal connecting device, a plurality of U-shaped grooves are uniformly formed in the membrane curtain support, and the U-shaped grooves are clamped on the outer side of the elbow connector to limit movement.
As a further implementation mode, a water collecting main pipe is arranged between the upper water collecting branch pipe and the lower water collecting branch pipe, the water collecting main pipe is vertically arranged, and the upper water collecting branch pipe and the lower water collecting branch pipe are connected with the water collecting main pipe through water collecting flanges.
As a further implementation mode, the aeration branch pipe is connected with the aeration main pipe through an aeration flange, the aeration main pipe is vertically arranged, the top of the aeration main pipe is positioned above the upper water collecting cross beam and is connected with the fan through the flange, and aeration is carried out.
Compared with the prior art, the invention has the advantages and positive effects that:
(1) According to the invention, the upper and lower membrane curtains are simultaneously aerated by arranging the double-side aeration pipes, so that the upper and lower membrane curtains have uniform air flow intensity, and compared with the traditional bottom aeration mode, the air flow cleaning effect of the membrane curtains is effectively improved, the aeration intensity of the upper membrane curtain is particularly ensured, and the aeration cleaning efficiency is improved.
(2) According to the invention, each membrane curtain in the membrane curtain assembly is relatively and independently arranged, and the membrane curtains are detachably arranged on the membrane frame, so that the membrane curtain assembly is convenient to maintain and clean, and if a single membrane curtain is damaged, the whole membrane frame or the membrane curtain assembly does not need to be replaced, thereby reducing maintenance manpower and cost.
(3) According to the invention, one end of the membrane curtain is inserted into the jack beam, and the other end of the membrane curtain is detachably connected with the water collecting branch pipe through the metal soft connection, wherein the membrane curtain is in socket connection with one end of the metal soft connection, and the other end of the metal soft connection is in loose joint type threaded connection with the membrane curtain, so that the detachable arrangement of a single membrane curtain is realized.
(4) According to the invention, the metal flexible connection is adopted to collect the produced water of each membrane curtain to enter the water collecting branch pipe, compared with the traditional membrane frame with rigid connection, the fine adjustment of the direction and the position can be performed, the structural position deviation caused by the errors of design and installation is avoided, the installation difficulty is reduced, and the vibration of the module is reduced. Simultaneously, metal soft connection and branch pipe that catchments in this application form threaded connection through the loose joint, also conveniently dismantle the maintenance.
(5) In order to integrate the membrane frame and the membrane box and reduce the occupied space of the whole membrane box, the structures such as the water collecting branch pipe, the water collecting main pipe, the membrane curtain, the metal flexible connection, the aeration branch pipe, the aeration main pipe, the double-side aeration pipe and the like are all detachably arranged on the support frame of the membrane frame, so that the assembly, the maintenance and the replacement of the structure are convenient, and the welding workload and the maintenance cost are effectively reduced; on the other hand, the membrane frame can be integrated with the membrane box into a whole without influencing the arrangement and maintenance of the internal pipelines.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a schematic diagram of a three-dimensional assembly of a membrane frame according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a three-dimensional assembly of a membrane frame according to an embodiment of the present invention;
FIG. 3 is a schematic view of a curtain mounting in accordance with an embodiment of the present invention;
FIG. 4 is a second schematic view of a curtain mounting in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of a curtain structure according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a metal flexible connection structure according to an embodiment of the present invention;
FIG. 7 is a schematic view of a membrane curtain bracket according to an embodiment of the present invention;
FIG. 8 is a schematic view of a double-sided aerator pipe according to an embodiment of the invention.
In the figure, 1, an angle steel upright post; 2. an upper support beam; 3. a middle support beam; 4. a lower support beam; 5. an upper water collecting branch pipe; 6. a lower water collecting branch pipe; 7. a water collecting main pipe; 8. a water collecting flange; 9. a connecting flange; 10. an aeration branch pipe; 11. an aeration main pipe; 12. an aeration flange; 13. two-sided aeration pipes; 14. a cross beam of the aeration pipe jack; 15. a membrane curtain; 16. soft metal connection; 17. fixing the connector; 18. a metal hose; 19. a movable female connector; 20. a bent pipe connector; 21. aeration holes; 22. a membrane curtain bracket; 23. a jack beam; 24. and a bracket beam.
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 "upper," "middle," "outer," "inner," "front," "rear," and the like are merely used for convenience in describing the present invention and to simplify the description, and do not denote 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 invention.
Example 1
In an exemplary embodiment of the invention, as shown in fig. 1-8, an ultrafiltration membrane frame capable of double-side aeration is provided, and comprises a support frame, a water collecting assembly and an aeration assembly, wherein the support frame comprises an angle steel upright post 1 and a beam assembly, the beam assembly comprises an upper support beam 2, a middle support beam 3 and a lower support beam 4, and the angle steel upright post comprises four vertically arranged 160×160×10 stainless steel angle steels as a framework of the membrane frame to form a cuboid three-dimensional space. As shown in fig. 1-2, three layers of supporting beams are arranged on the front side and the rear side of the supporting frame, namely an upper supporting beam 2, a middle supporting beam 3 and a lower supporting beam 4 from top to bottom, each layer of supporting beams comprises two symmetrically arranged supporting beams, a 40×40 stainless steel square tube is adopted, and the supporting beams are uniformly welded between two adjacent angle steel upright posts 1 in a horizontal mode to play a supporting role. The three layers of supporting beams are mutually parallel, the angle steel upright post 1, the upper supporting beam 2, the middle supporting beam 3 and the lower supporting beam 4 form a three-layer stainless steel frame structure, and the three-layer stainless steel frame structure can be integrated with a film box to reduce the occupied space required by the whole film box.
The water collecting assembly comprises an upper water collecting branch pipe 5, a lower water collecting branch pipe 6 and a water collecting main pipe 7, wherein the lower water collecting branch pipe 6 is positioned below the upper water collecting branch pipe 5 and is arranged in parallel with the upper water collecting branch pipe 5. The upper water collecting branch pipe 5 is placed between the two upper supporting beams 2 and is perpendicular to the upper supporting beams 2, and likewise, the lower water collecting branch pipe 6 is placed between the two lower supporting beams 4 and is perpendicular to the lower supporting beams 4, so that water collection is performed on the upper and lower sides. In order to further increase the water collection amount and maximize the utilization of the membrane frame space, the upper water collection branch pipe 5 and the lower water collection branch pipe 6 are provided with two parallel water collection main pipes 7, the two upper water collection branch pipes 5 and the two lower water collection branch pipes 6 are connected, and left and right double-side water collection is performed on the basis of water collection on the upper side and the lower side. Specifically, the main water collecting pipe 7 is provided at one end of the branch water collecting pipe, in this embodiment, at the rear side of the membrane frame.
The water collecting main pipe 7 is vertically arranged, the top of the water collecting main pipe is positioned between the two upper water collecting branch pipes 5, and the upper water collecting branch pipes 5 are connected with the water collecting main pipe 7 through water collecting flanges 8 on the left side and the right side; the bottom of the main water collecting pipe 7 is positioned between the two lower water collecting branch pipes 6, the lower water collecting branch pipes 6 are communicated with the main water collecting pipe 7 through water collecting flanges 8 on the left side and the right side, and water flows collected by the four water collecting branch pipes are collected to the main water collecting pipe 7 through the water collecting flanges 8. The water collecting main pipe 7 is manufactured by welding a stainless steel pipe and a stainless steel flange, the stainless steel flange is a connecting flange 9, the stainless steel flange and the stainless steel pipe vertically face to one side of the membrane frame, the connecting flange 9 is connected with a water outlet pipeline to be communicated with water outwards, and meanwhile the position of the water collecting main pipe 7 is fixed through the connection of the water collecting main pipe 7 and an external pipeline, so that the upper water collecting branch pipe 5 and the lower water collecting branch pipe 6 are kept stable.
The beam assembly further comprises a jack beam 7, a support beam 24 and an aeration pipe jack beam 14, wherein the jack beam 7 and the support beam 24 are arranged on an upper layer and a lower layer and are jointly used for supporting the water collecting assembly with the upper support beam 2 and the lower support beam 4, and the aeration pipe jack beam 14 is arranged on a layer in the middle of the support frame and is jointly used for supporting the aeration assembly with the middle support beam 3. The jack cross beams 7 are horizontally arranged on the left side and the right side of the supporting frame and are parallel to the water collecting branch pipes, and are welded between the two angle steel upright posts 1. The bracket cross beams 24 are horizontally arranged on the front side and the rear side of the supporting frame, are vertical to the water collecting branch pipes and are welded between the two angle steel upright posts 1. The aeration pipe jack beam 14 and the jack beam 7 are arranged in parallel and welded between the two angle steel upright posts 1, thereby forming a complete supporting frame.
The water collecting assembly further comprises a membrane curtain 15, as shown in fig. 3-4, one end of the membrane curtain 15 is connected with the water collecting branch pipe through a metal flexible connection 16, and the other end of the membrane curtain is connected with the jack beam 7 in a socket connection mode and is arranged on the supporting frame. The membrane curtains 15 of the upper and lower water collecting pipes are installed in the same mode, and the upper water collecting branch pipe 5 is taken as an example, the lower end of the upper water collecting branch pipe 5 is welded with a plurality of fixed connectors 17, and the fixed connectors 17 are uniformly arranged along the length direction of the upper water collecting branch pipe 5. The fixed connector 17 is cylindrical, one end is provided with a step, the bottom of the upper water collecting branch pipe 5 is welded through the step, and the other end is provided with external threads for being matched and connected with the metal flexible connection 16.
The metal flexible connection 16 is arranged below the upper water collecting branch pipe 5, the metal flexible connection 16 comprises a metal hose 18 and connectors at two ends, a movable female connector 19 is fixedly arranged at the upper end connected with the upper water collecting branch pipe 5, internal threads are formed in the inner wall of the movable female connector 19, and the movable female connector 19 is in threaded connection with the fixed connector 17. The fixed connector 17 and the movable female connector 19 adopt the existing movable joints in the market, so that the movable joint type threaded connection between the upper water collecting branch pipe 5 and the metal flexible connection 16 is realized, and the assembly and the disassembly are convenient. The other end of the metal flexible connection 16 is provided with an elbow connector 20, and one end of the elbow connector 20 perpendicular to the metal flexible pipe 18 is a straight cylinder type inner cavity and is used for being in socket connection with the membrane curtain 15 to install the membrane curtain 15. The membrane curtain 15 adopts the existing product on the market, as shown in fig. 1, 2 and 5, the membrane curtain 15 is in a plane rectangle, the membrane curtain 15 is vertically installed in the whole membrane frame, one side of the membrane curtain 15 is borne in the jack cross beam 13 through two optical axes, the other side of the membrane curtain is borne in the elbow connector 20 through two optical axes, the detachable installation of the single membrane curtain is realized, the water production is realized, the cleaning and the maintenance are convenient, and when the single membrane curtain is damaged, the membrane curtain can be detached and replaced independently without detaching the membrane frame. A plurality of holes are uniformly formed in the jack cross beam 23, and correspond to the number and the interval of the fixed connectors 17 on the upper water collecting branch pipe 5, and are connected with the membrane curtain 15 in an inserting mode to support the membrane curtain.
Compared with the full rigid connection of the traditional film frame, the design of the embodiment adopts metal flexible connection, and can carry out fine adjustment on the direction and the position when the film frame is assembled, so that the installation difficulty is reduced, the structural position deviation caused by the error between the design and the installation can be avoided, and the vibration of the die carrier can be reduced. In addition, the flexible metal connection and the water collecting branch pipe are movably connected through threads, and the flexible metal connection is convenient to detach and maintain.
It should be noted that, because the metal flexible connection is used in the connecting piece, the installed membrane curtain has a degree of freedom in the horizontal direction, and the fluctuation of water flow can drive the membrane curtain to move so as to influence the service life of the membrane curtain and the water production effect, in order to avoid the influence, the membrane curtain support 22 is arranged below the metal flexible connection 16, so that the movement of the metal flexible connection 16 is limited, the membrane curtain is prevented from swinging transversely, the membrane curtain is stably installed, the service life of the membrane curtain is prolonged, and the water production effect is ensured.
As shown in fig. 7, the membrane curtain support 22 is a stainless steel strip support, is of a 90-degree bending structure, is uniformly provided with a plurality of U-shaped grooves, and the U-shaped grooves are in one-to-one correspondence with the metal flexible connections 16 connected below the upper water collecting branch pipe 5, are clamped at the bent pipe connectors 20 of the metal flexible connections 16, and play a role in limiting movement, so that water flow fluctuation is avoided to drive the membrane curtain to move, and the service life and the water production effect are influenced. The membrane curtain bracket 22 is provided with strip holes (not shown) at two ends, and is fastened on the bracket beams 24 at two sides through bolts, so that the assembly and the disassembly are convenient. The bracket beam 24 adopts a 40 multiplied by 40 stainless steel square tube, is horizontally welded between two adjacent angle steel upright posts 1, and plays a supporting role.
The mode of installing the membrane curtain on the lower water collecting branch pipe 6 is the same as that of the upper water collecting branch pipe 5, but the metal soft connection on the lower water collecting branch pipe 6 and the upper water collecting branch pipe 5 are symmetrically arranged, namely, the lower end of the metal soft connection 16 at the lower side is in movable threaded connection with the lower water collecting branch pipe 6, the upper end of the metal soft connection is connected with the membrane curtain 15 through an elbow connector 20 in an inserting mode, the other end of the membrane curtain 15 is connected with a jack beam 23 positioned at the lower side of the membrane frame in an inserting mode, the distance between the membrane curtains at the upper side and the lower side is reduced, and double-side aeration cleaning of the membrane curtain is facilitated.
The aeration component comprises an aeration branch pipe 10 and an aeration main pipe 11, wherein the aeration branch pipe 10 is arranged on the middle supporting beam 3, and is similar to the arrangement of the upper water collecting branch pipe and the lower water collecting branch pipe, the two ends of the aeration branch pipe 10 are connected with the middle supporting beam 3 on the front side and the rear side in a welding way, the aeration branch pipe 10 comprises a left aeration branch pipe and a right aeration branch pipe, the aeration main pipe 11 is positioned between the two aeration branch pipes 10, the two aeration branch pipes 10 are connected with the bottom of the aeration main pipe 11 through a left aeration flange 12 and a right aeration flange 12, and the top of the aeration main pipe 11 is positioned above the upper supporting beam 2 and is connected with a fan for aeration.
The aeration assembly further comprises a double-sided aeration pipe 13, wherein the double-sided aeration pipe 13 is arranged between the aeration branch pipe 10 and the aeration pipe jack cross beam 14. As shown in fig. 8, the aeration tube jack beam 14 is made of a 40×40 stainless steel square tube, and a plurality of holes are uniformly formed to be in socket connection with the double-sided aeration tube 13 so as to fixedly support the double-sided aeration tube. The aeration pipes 13 on the two sides adopt UPVC round pipes which are of 90-degree bent pipe structures and comprise vertical pipes and transverse pipes, one ends of the vertical pipes are connected with the aeration branch pipes through loose joint threads, the loose joint adopts the existing products on the market, and the arrangement mode is the same as the matching of the fixed connector 17 and the loose joint connector 19; one end of the transverse pipe is inserted into the aeration pipe jack cross beam 14 for fixing. A plurality of aeration holes 21 are uniformly formed in the upper side and the lower side of the double-side aeration pipe 13, and the membrane curtain of the upper water collecting branch pipe 5 and the membrane curtain of the lower water collecting branch pipe 6 are synchronously aerated on both sides, so that the aeration cleaning effect is ensured, the phenomenon that the aeration strength is not enough due to the fact that the membrane curtain is far is avoided, and the sewage treatment effect is ensured.
On the double-sided aeration pipe 13, the aeration holes 21 on the upper side and the lower side are simultaneously subjected to double-sided aeration, and considering that the co-located distribution of the aeration holes on the two sides is likely to occur that the air outlet on one side of each individual co-located hole is not out of air, the aeration holes 21 on the upper side and the lower side of the double-sided aeration pipe 13 are uniformly distributed in a staggered manner so as to ensure uniform air outlet and complete cleaning.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The ultrafiltration membrane frame capable of double-side aeration is characterized by comprising a supporting frame, a water collecting assembly and an aeration assembly, wherein the supporting frame comprises angle steel upright posts and a beam assembly, and the beam assembly is welded between the angle steel upright posts and is used for supporting the water collecting assembly and the aeration assembly; the water collecting assembly comprises an upper water collecting branch pipe and a lower water collecting branch pipe, and a membrane curtain is arranged between the upper water collecting branch pipe and the lower water collecting branch pipe and the supporting frame; the aeration component comprises an aeration branch pipe which is arranged between an upper water collecting branch pipe and a lower water collecting branch pipe; the aeration branch pipe, the upper water collecting branch pipe and the lower water collecting branch pipe are all arranged on the beam assembly, a double-side aeration pipe is further arranged between the aeration branch pipe and the supporting frame, and aeration holes are formed in the upper side and the lower side of the double-side aeration pipe.
2. The double-sided aerated ultrafiltration membrane frame of claim 1, wherein said beam assembly comprises horizontally disposed aeration tube receptacle beams welded between adjacent angle steel posts; the double-side aeration pipe is of a 90-degree bent pipe structure and comprises a vertical pipe and a transverse pipe, one end of the vertical pipe is connected with an aeration branch pipe, and one end of the transverse pipe is connected with an aeration pipe jack cross beam in a socket-spigot mode.
3. The ultrafiltration membrane frame capable of double-side aeration according to claim 2, wherein a plurality of aeration holes are formed on the upper side and the lower side of the transverse tube, and the plurality of aeration holes are uniformly arranged; the vertical pipes are connected with the aeration branch pipes through loose joints.
4. The ultrafiltration membrane frame capable of double-side aeration according to claim 1, wherein the beam assembly comprises an upper supporting beam, a middle supporting beam and a lower supporting beam, and the upper supporting beam, the middle supporting beam and the lower supporting beam comprise two supporting beams which are symmetrically welded between the angle steel upright posts to form a three-layer bracket structure;
and the upper supporting beam is provided with a water collecting branch pipe, the middle supporting beam is provided with an aeration branch pipe, and the lower supporting beam is provided with a lower water collecting branch pipe to form upper and lower double-side water collection.
5. The ultrafiltration membrane frame capable of double-side aeration according to claim 4, wherein a plurality of metal flexible connections are uniformly arranged on the lower side of the upper water collecting branch pipe, each metal flexible connection comprises a metal hose, one end of each metal flexible connection is detachably connected with the upper water collecting branch pipe, and the other end of each metal flexible connection is detachably connected with the membrane curtain.
6. The ultrafiltration membrane frame capable of double-side aeration according to claim 5, wherein a plurality of first connecting pieces are welded on the lower side of the upper water collecting branch pipe, the first connecting pieces are cylindrical, one end of each first connecting piece is welded on the upper water collecting branch pipe, and the other end of each first connecting piece is provided with external threads; and one end of the metal hose is fixedly provided with a second connecting piece, the second connecting piece is provided with internal threads, and the second connecting piece is in threaded connection with the first connecting piece.
7. The ultrafiltration membrane frame capable of double-side aeration according to claim 5, wherein the other end of the metal hose is fixedly provided with an elbow connector, and the elbow connector is in socket connection with one end of the membrane curtain.
8. The ultrafiltration membrane frame capable of double-sided aeration according to claim 7, wherein the other end of the membrane curtain is connected with a beam assembly, the beam assembly further comprises a jack beam, and the membrane curtain is in socket connection with the jack beam; the flexible metal connection lower extreme is equipped with the membrane curtain support, evenly be equipped with a plurality of U-shaped grooves on the membrane curtain support, U-shaped groove joint is in the elbow joint outside in order to restrict the activity, avoids the horizontal swing of membrane curtain.
9. The ultrafiltration membrane frame capable of bilateral aeration according to claim 4, wherein a water collecting main pipe is arranged between the upper water collecting branch pipe and the lower water collecting branch pipe, the water collecting main pipe is vertically arranged, and the upper water collecting branch pipe and the lower water collecting branch pipe are connected with the water collecting main pipe through water collecting flanges.
10. The ultrafiltration membrane frame capable of double-side aeration according to claim 4, wherein the aeration branch pipe is connected with the aeration main pipe, the aeration branch pipe is connected with the aeration main pipe through an aeration flange, the aeration main pipe is vertically arranged, and the top of the aeration main pipe is positioned above the upper water collecting cross beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311404311.XA CN117298866A (en) | 2023-10-26 | 2023-10-26 | Ultrafiltration membrane frame capable of realizing bilateral aeration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311404311.XA CN117298866A (en) | 2023-10-26 | 2023-10-26 | Ultrafiltration membrane frame capable of realizing bilateral aeration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117298866A true CN117298866A (en) | 2023-12-29 |
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ID=89249935
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311404311.XA Pending CN117298866A (en) | 2023-10-26 | 2023-10-26 | Ultrafiltration membrane frame capable of realizing bilateral aeration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117298866A (en) |
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2023
- 2023-10-26 CN CN202311404311.XA patent/CN117298866A/en active Pending
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