CN213885712U - Hollow fiber curtain type diaphragm and membrane element - Google Patents
Hollow fiber curtain type diaphragm and membrane element Download PDFInfo
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- CN213885712U CN213885712U CN202022288860.3U CN202022288860U CN213885712U CN 213885712 U CN213885712 U CN 213885712U CN 202022288860 U CN202022288860 U CN 202022288860U CN 213885712 U CN213885712 U CN 213885712U
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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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Abstract
The utility model discloses a hollow fiber curtain formula diaphragm and membrane element, the diaphragm is formed by the hollow fiber membrane silk that a plurality of both ends were sealed compound side by side, and hollow fiber membrane silk both ends are equipped with seals connecting portion, and the hollow fiber membrane silk seal between the connecting portion and connect through the connecting band, and the diaphragm both ends are equipped with the cover and establish the melten gel protection portion outside the diaphragm. The membrane element comprises a membrane fixing frame and a membrane group arranged in the membrane fixing frame, wherein two sides of the end part of the membrane group are provided with first glue sealing parts; the diaphragm fixing frame comprises two water collecting grooves which are sleeved at two ends of the diaphragm group and two communicating pipes which are arranged at two sides of the diaphragm group; the water collecting tank is internally provided with a positioning step for positioning the end part of the diaphragm group, a flowing cavity is formed between the end part of the diaphragm group and the bottom surface of the water collecting tank, and a second glue sealing part is arranged in the part from one side of the opening of the water collecting tank to the end part of the diaphragm group. The utility model discloses an replace traditional silk bundle with the diaphragm in the hollow fiber curtain formula film element, not produce the winding each other with the diaphragm during the use, improved product water efficiency.
Description
Technical Field
The utility model belongs to the technical field of the membrane element preparation technique and specifically relates to a hollow fiber curtain formula diaphragm and membrane element is related to.
Background
Membrane separation is a new technology of separation that emerged at the beginning of the 20 th century and grew rapidly after the 60's of the 20 th century. The membrane separation technology has the functions of separation, concentration, purification and refining, has the characteristics of high efficiency, energy conservation, environmental protection, simple molecular-level filtration and filtration process, easy control and the like, and is widely applied to the fields of food, medicine, biology, environmental protection, chemical industry, metallurgy, energy, petroleum, water treatment, electronics, bionics and the like at present. Separation membrane products generally include flat sheet membranes, hollow fiber membranes, roll membranes, and the like. The membrane-bioreactor (MBR) is a novel state wastewater treatment system organically combining a membrane separation technology and a biological treatment technology, an ultrafiltration or microfiltration membrane component is used for replacing a sedimentation tank in the traditional activated sludge process to realize sludge-water separation, a hollow fiber curtain type membrane component is the core component of the membrane-bioreactor, and the investment, the operation cost and the service life of the MBR are directly influenced by the performance and the manufacturing cost of the membrane component.
In the traditional hollow fiber curtain type membrane element at present, membrane wires are generally bundled into a bundle; then, orderly arranging a plurality of bundled membrane filaments, cutting binding positions at two ends to a required length, and orderly arranging two ends of the membrane filaments; and then blocking the membrane thread holes with two open ends to prevent the glue from permeating during glue filling, and finally putting the membrane threads into the membrane curtain plastic part for subsequent work such as glue filling and the like.
For example, in the chinese patent document, "a method for sealing a hollow fiber curtain membrane element and a sealing device thereof", which is disclosed in chinese patent document, the publication No. CN106512740A, includes the steps of: bundling a plurality of hollow fiber membrane filaments into bundles; bundling and cutting the bottom of the hollow fiber membrane tows, and integrally hanging the hollow fiber membrane tows on a tool; plugging the inner hole of the hollow fiber membrane wire by using a hole plugging substance; horizontally placing the box body on a tool, inserting the hollow fiber membrane tows to the bottom of the box body, and fixing the hollow fiber membrane tows; injecting the sealant into the box body; repeating the above steps to manufacture the other end; and cutting the membrane element after the sealing glue is cured to ensure that the membrane thread hole is smooth, inserting the membrane element into the membrane box cavity, and encapsulating the sealing glue for bonding.
However, in the traditional hollow fiber curtain type membrane element, the bundled membrane filaments are arranged disorderly, and in the actual use process, sludge is easily accumulated at the root of the membrane filaments of the membrane curtain, so that the water production efficiency of the membrane curtain is influenced.
Disclosure of Invention
The utility model relates to an overcome the membrane silk arrangement of beam forming in traditional hollow fiber curtain formula film element and have a disorderly seal, in the in-service use process, mud is piled up at membrane curtain membrane silk root easily, influences the problem that the membrane curtain produced water efficiency, provides a hollow fiber curtain formula diaphragm and film element, replaces traditional silk bundle with the diaphragm for the membrane silk does not produce alternately, twines each other when the film element uses, has improved product water efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a hollow fiber curtain formula diaphragm, the diaphragm is formed by the hollow fiber membrane silk that a plurality of both ends were sealed side by side complex, hollow fiber membrane silk both ends are equipped with seals connecting portion, and each hollow fiber membrane silk seals and connects through the connecting band between the connecting portion, the diaphragm both ends are sealed the inboard of connecting portion and are equipped with the melten gel protection part of cover establishing outside the diaphragm respectively.
Preferably, the outer diameter of the hollow fiber membrane filaments in the membrane is 2.05-2.3 mm.
Preferably, the number of the hollow fiber membrane filaments in the membrane is 40-120.
Preferably, the length of the diaphragm is 900-2200 mm.
A hollow fiber curtain type membrane element made of the membrane comprises a membrane fixing frame and a membrane group which is arranged in the membrane fixing frame and consists of a plurality of membranes which are arranged in a stacked mode and are cut off sealing connection parts; the diaphragm fixing frame comprises an upper water collecting tank and a lower water collecting tank which are respectively sleeved on the outer sides of the two ends of the diaphragm group along the width direction of the diaphragm group, and two communicating pipes which are arranged on the two sides of the diaphragm group along the length direction of the diaphragm group and used for communicating the two ends of the two water collecting tanks; a positioning step for positioning the end part of the diaphragm group is arranged in the water collecting tank, the end part of the diaphragm group is clamped at one side of the positioning step close to the opening of the water collecting tank, a flowing cavity is formed between the end part of the diaphragm group and the bottom surface of the water collecting tank, a second glue sealing part is arranged in the part from one side of the opening of the water collecting tank to the end part of the diaphragm group, and a melt glue protection part on the diaphragm is connected with the second glue sealing part; and two ends of the communicating pipe are respectively communicated with the flowing cavities in the two water collecting grooves.
The utility model provides an among the hollow fiber curtain formula film element, replace traditional silk bundle with the diaphragm of range upon range of setting for during sewage treatment, neatly arrange in each diaphragm, the same hollow fiber membrane silk of length is the law swing when aeration treatment, and hollow fiber membrane silk can not produce alternately, winding each other, and what take place owing to the membrane silk winding hangs mud and the long-pending mud phenomenon in root obviously weakens, has effectively improved the product water efficiency of film element. In addition, the membrane is used for replacing tows, and the membrane yarns which are not arranged neatly at the binding positions at the two ends do not need to be cut off in the manufacturing process of the membrane element, so that the waste of the membrane yarns is reduced; the working procedures of arranging wires and plugging heads are reduced, and the production efficiency is improved; the membrane replaces the filament bundle to realize fixed-length cutting, the length of the membrane is easy to control and adjust, and the production efficiency and the size stability of the product are greatly improved.
When the membrane element is actually used, the hollow fiber membrane filaments swing constantly due to the continuous aeration effect in the membrane bioreactor, the bending force applied to the roots is large, and the membrane filaments are fatigue-broken due to certain swinging, so that the service life of the membrane element is influenced. Consequently the utility model discloses seal the gluey portion junction at diaphragm both ends and second and set up the melten gel protection part, strengthened the root compliance of membrane silk, reduced the fatigue fracture of membrane silk root, effectively improved the life of membrane element.
The utility model provides a when hollow fiber curtain formula film element uses, with the vertical sewage that immerses in the membrane bioreactor of film element, the end cap shutoff is used at the both ends of the flow cavity of lower water catch bowl, and make the top of last water catch bowl in the film element be connected with the product water pump, carry out the negative pressure suction through producing the water pump, under the negative pressure suction effect, in the membrane bioreactor clean water after the microbiological treatment gets into the hollow fiber membrane silk in each diaphragm, pollutant and microorganism then are blockked outside the diaphragm, the filtering action through the hollow fiber membrane silk in the film element, realize the solid-liquid separation in the membrane bioreactor. The produced water entering the hollow fiber membrane filaments flows out from the openings at the two ends of the membrane filaments and enters the flowing cavities of the upper water collecting tank and the lower water collecting tank, the produced water in the lower water collecting tank flows into the upper water collecting tank along the communicating pipes at the two sides under the suction action of the water producing pump, and flows out from the two ends of the flowing cavity of the upper water collecting tank together with the produced water in the upper water collecting tank and is collected, so that the produced water with good water quality can be obtained.
Preferably, the water collecting tank comprises a water collecting section and connecting sections, the water collecting section is used for being connected with the diaphragm group, the connecting sections are located on two sides of the water collecting section and used for being connected with the communicating pipe, positioning steps are arranged in the water collecting section, the water collecting section comprises a flowing cavity and a second sealing glue portion, a partition is arranged at the position, corresponding to the positioning steps, of the water collecting section, the partition divides the connecting sections into a water outlet portion communicated with the flowing cavity of the water collecting section and a connecting portion communicated with the second sealing glue portion of the water collecting section, a communicating pipe clamping groove is arranged in the connecting portion, the end portion of the communicating pipe is clamped in the communicating pipe clamping groove, and the communicating pipe clamping groove is communicated with the water outlet portion.
Preferably, a baffle is arranged between the flowing cavity of the water collecting section of the lower water collecting tank and the water outlet part of the connecting section at one side, and a baffle is arranged between the flowing cavity of the water collecting section of the upper water collecting tank and the water outlet part of the connecting section at the other side.
When produced water enters the lower water collecting tank from the diaphragm, the produced water in the lower water collecting tank flows upwards into the connecting section on the same side of the upper water collecting tank uniformly along the communicating pipe on one side under the action of the baffle plate, and then flows out from the water outlet part of the connecting section on the side under the action of the baffle plate in the upper water collecting tank; the water produced directly from the membrane into the upper water collecting tank flows out from the water outlet part of the connecting section at the other side under the action of the baffle. The outflow paths of the water produced on the upper side and the lower side of the membrane element are separated through the arrangement of the two baffles, which is beneficial to the collection of the produced water.
Therefore, the utility model discloses following beneficial effect has:
(1) the two ends of the diaphragm are provided with the melt glue protection parts, so that the flexibility of the root of the diaphragm is enhanced, the fatigue fracture of the root of the diaphragm is reduced, and the service life of the diaphragm element is effectively prolonged;
(2) the membrane elements replace traditional tows by the laminated membranes, when the membrane elements are used for sewage treatment, the hollow fiber membrane filaments which are regularly arranged in each membrane and have the same length regularly swing during aeration treatment, the hollow fiber membrane filaments cannot be crossed and wound, the phenomena of mud hanging and root mud accumulation caused by the winding of the membrane filaments are obviously weakened, and the water production efficiency of the membrane elements is effectively improved;
(3) the baffle plates are respectively arranged on the different sides of the upper water collecting tank and the lower water collecting tank of the membrane element, and the outflow paths of the produced water on the upper side and the lower side of the membrane element are separated through the arrangement of the two baffle plates, so that the collection of the produced water is facilitated.
Drawings
Fig. 1 is a plan view of the diaphragm of the present invention.
Fig. 2 is a cross-sectional end view of the diaphragm of the present invention.
FIG. 3 is a cross-sectional view of the inner groove of the sealant used in manufacturing the diaphragm assembly of the present invention.
Fig. 4 is a front view of a hollow fiber curtain membrane element according to the present invention.
Fig. 5 is a cross-sectional view of the water collecting section of the water collecting tank of the present invention.
Fig. 6 is a schematic view of the connection structure of the left communicating pipe and the connection section of the upper and lower water collecting tanks.
Fig. 7 is a process diagram of the manufacturing process of the diaphragm of the present invention.
In the figure: 1 diaphragm, 2 diaphragm groups, 201 first glue sealing part, 3 water collecting tanks, 301 water collecting section, 3011 positioning step, 3012 flow cavity, 3013 second glue sealing part, 302 connecting section, 3021 partition board, 3022 water outlet part, 3023 connecting part, 3024 communicating pipe clamping groove, 4 communicating pipe, 5 glue melting protecting part, 6 baffle, 7 hollow fiber membrane thread, 8 sealing connecting part, 9 connecting belt, 10 glue sealing inner tank, 11 moving diaphragm clamp, 1201 upper clamp, 1202 lower clamp, 1203 cutter, 1301 upper glue applying head, 1302 lower glue applying head, 14 plug.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Example (b):
as shown in figures 1 and 2, the hollow fiber curtain type diaphragm is formed by compounding 100 hollow fiber membrane filaments 7 with outer diameters of 2.05mm and sealed at two ends in parallel, sealing connecting parts 8 are arranged at two ends of each hollow fiber membrane filament, the sealing connecting parts of the hollow fiber membrane filaments are connected through a connecting belt 9, glue melting protecting parts 5 sleeved outside the diaphragm are respectively arranged on the inner sides of the sealing connecting parts at two ends of the diaphragm, and the length of the diaphragm is 1300 mm.
As shown in fig. 4, the hollow fiber curtain membrane element made of the membrane comprises a membrane fixing frame and a membrane group 2 which is arranged in the membrane fixing frame and is composed of five groups of membranes 1 which are stacked and cut off the sealing connection parts, wherein the two sides of the end part of the membrane group are provided with first glue sealing parts 201.
The diaphragm mount includes along diaphragm group width direction overlap respectively the upper and lower two water catch bowl 3 in the diaphragm group both ends outside to and set up in diaphragm group both sides, be used for communicateing two communicating pipes 4 at two water catch bowl both ends along diaphragm group length direction. The water catch bowl is including being used for with diaphragm group's water collection section 301 with be located water collection section both sides, be used for with the linkage segment 302 that is connected communicating pipe, as shown in fig. 5, be equipped with the location step 3011 that is used for fixing a position diaphragm group tip in the water catch bowl, diaphragm group tip card is located the one side that the location step is close to the water catch bowl opening part, form flow cavity 3012 between diaphragm group tip and the water catch bowl bottom surface, be equipped with second in the part of water catch bowl opening one side to diaphragm group tip and seal glue portion 3013, the melten gel protection portion on the diaphragm seals glue the portion with the second and is connected. As shown in fig. 6, a partition board 3021 is arranged at a position, corresponding to the positioning step, in the water collecting section, of the connecting section, the partition board divides the connecting section into a water outlet portion 3022 communicated with the flowing cavity of the water collecting section and a connecting portion 3023 communicated with the second sealing compound portion of the water collecting section, a communicating pipe clamping groove 3024 is arranged in the connecting portion, the end portion of the communicating pipe is clamped in the communicating pipe clamping groove, and the communicating pipe clamping groove is communicated with the water outlet portion. A baffle 6 is arranged between the flowing cavity of the water collecting section of the upper water collecting tank and the water outlet part of the left connecting section, and a baffle is arranged between the flowing cavity of the water collecting section of the lower water collecting tank and the water outlet part of the right connecting section.
The manufacturing method of the hollow fiber curtain type membrane element of the utility model comprises the following steps:
(A) preparing a membrane:
as shown in fig. 7, the apparatus for manufacturing the film comprises a movable film holder 11, a pressing and cutting device, a sizing device and a connecting band laying device controlled by a PLC; the movable membrane clamp is clamped at the sealing connection part at one end of each hollow fiber membrane wire and can move along the length direction of the membrane; the pressing and cutting device comprises an upper chuck 1201 and a lower chuck 1202 which are respectively positioned at two sides of the hollow fiber membrane wire, wherein the upper chuck is provided with an ultrasonic generator, and the lower chuck is provided with a cutter 1203; the glue applying device comprises an upper glue applying head 1301 and a lower glue applying head 1302 which are respectively positioned on two sides of the hollow fiber membrane wire, the distance between the pressing cutting device and the glue applying device is the same as the distance between the top end of the sealing connecting part of the hollow fiber membrane wire and the adjacent glue melting protection part, and the connecting belt laying device corresponds to the position of the pressing cutting device.
The method of making the diaphragm is shown in fig. 7:
a) placing all the hollow fiber membrane filaments in parallel, enabling the top end of the sealing connecting part at one end of each hollow fiber membrane filament to be positioned between the upper chuck and the lower chuck of the pressing and cutting device, and clamping the movable membrane holder at the sealing connecting part of each hollow fiber membrane filament;
b) the upper and lower glue applying heads of the glue applying device are clamped, glue is applied to two sides of the hollow fiber membrane wires and then the hollow fiber membrane wires are opened, and the applied glue is solidified to form a glue melting protection part;
c) the movable diaphragm clamp pulls the hollow fiber diaphragm wires to move along the length direction of the diaphragm, the movement is stopped when the hollow fiber diaphragm wires move to the position corresponding to the melt adhesive protection part at the other end of the diaphragm, the upper and lower gluing heads of the gluing device are clamped again, the hollow fiber diaphragm wires are opened after glue is applied to the two sides of the hollow fiber diaphragm wires, and the applied glue is solidified to form the melt adhesive protection part at the other end of the diaphragm;
d) the movable diaphragm clamp continuously pulls the hollow fiber membrane filaments to move, the movement is stopped after the hollow fiber membrane filaments move to the set diaphragm length, two rows of connecting belts are laid above the hollow fiber membrane filaments along the width direction of the diaphragm by the connecting belt laying device, and the middles of the two rows of connecting belts are aligned to a cutter on a lower chuck of the pressing cutting device;
e) the upper chuck and the lower chuck of the pressing cutting device are clamped tightly, each hollow fiber membrane wire is cut off under the action of a cutter on the lower chuck, the end parts of the hollow fiber membrane wires on two sides of the cutter are respectively compounded with two rows of connecting belts and pressed tightly to form a sealing connecting part under the action of heat generated by an ultrasonic generator on the upper chuck, the membrane is obtained between the pressing cutting device and the movable membrane holder, and one end of the next membrane is obtained by pressing the other side of the cutting device;
f) and opening the upper and lower chucks of the pressing and cutting device, moving the diaphragm clamp to move between the upper and lower chucks again, and starting to manufacture the next diaphragm.
(B) Assembling the membrane: and coating glue on the sealing connecting parts of the membranes, aligning and stacking the two sides of each membrane, and bonding the sealing connecting parts of the membranes through the glue.
(C) Preparing a membrane group: as shown in fig. 3, the sealing connection portion where the assembled membranes are bonded is placed in the inner sealing groove 10, then glue is poured into the inner sealing groove, a first sealing portion is formed after the glue is cured, the bottom of the inner sealing groove is cut off from the upper side of the sealing connection portion, so that two ends of the hollow fiber membrane wire are opened, and a membrane set is obtained.
(D) Installing a membrane set: and placing two ends of the membrane group in the upper water collecting tank and the lower water collecting tank, clamping the first glue sealing part at a positioning step in the water collecting tank, pouring glue into the water collecting tank, forming a second glue sealing part after the glue is solidified, and installing the communicating pipes on the two sides to obtain the hollow fiber curtain type membrane element.
The utility model provides a during the use of hollow fiber curtain formula film element, with the vertical sewage that immerses in the membrane bioreactor of film element, the both ends of the flow cavity of water catch bowl will be down blocked with end cap 14, and make the top of going up the water catch bowl in the film element be connected with the product water pump, carry out the negative pressure suction through producing the water pump, under the negative pressure suction effect, in the membrane bioreactor clean water after the microorganism is handled gets into the hollow fiber membrane silk in each diaphragm in, pollutant and microorganism then are blockked outside the diaphragm, the filtration through the hollow fiber membrane silk in the film element, realize the solid-liquid separation in the membrane bioreactor. The produced water entering the hollow fiber membrane filaments flows out from openings at two ends of the membrane filaments and enters flowing cavities of the water collecting sections of the upper water collecting tank and the lower water collecting tank, the produced water in the lower water collecting tank flows upwards into the connecting section of the upper water collecting tank along the communicating pipe at the left side under the blocking action of the baffle positioned at the right side and the suction action of the produced water pump, and flows out from the water outlet part of the connecting section at the left side of the upper water collecting tank under the action of the baffle positioned at the left side of the upper water collecting tank; the produced water entering the water collecting section of the upper water collecting tank flows out from the water outlet part of the right connecting section under the action of the left baffle plate, and the outflow paths of the produced water on the upper side and the lower side of the membrane element are separated through the arrangement of the two baffle plates, so that the collection of the produced water is facilitated.
The utility model provides an among the hollow fiber curtain formula film element, replace traditional silk bundle with the diaphragm of range upon range of setting for during sewage treatment, neatly arrange in each diaphragm, the same hollow fiber membrane silk of length is the law swing when aeration treatment, and hollow fiber membrane silk can not produce alternately, winding each other, and what take place owing to the membrane silk winding hangs mud and the long-pending mud phenomenon in root obviously weakens, has effectively improved the product water efficiency of film element.
In the manufacturing process, the film wires with unevenly arranged binding parts at two ends do not need to be cut, the waste of the film wires is reduced, the wire arranging and plugging processes are reduced, and the production efficiency is improved; when the diaphragm group is manufactured, the bottom of the inner groove of the sealing glue is directly cut off, the process is simple and convenient, the cutting length is easy to control, and the production flexibility is high; when the diaphragm intermediate is manufactured, the diaphragm intermediate can be continuously and automatically produced through the cooperation of all devices under the control of a PLC; and can realize that the fixed length cuts, diaphragm length easily controls and adjusts, has improved the dimensional stability of production efficiency and product greatly.
Claims (7)
1. The utility model provides a hollow fiber curtain formula diaphragm, characterized by, the diaphragm is formed by the hollow fiber membrane silk (7) that a plurality of both ends were sealed compounding side by side, hollow fiber membrane silk both ends are equipped with seals connecting portion (8), and each hollow fiber membrane silk seals and connects through connecting band (9) between the connecting portion, the inboard that connecting portion were sealed at the diaphragm both ends is equipped with respectively and overlaps the melten gel protection part (5) of establishing outside the diaphragm.
2. The hollow fiber curtain type membrane as claimed in claim 1, wherein the outer diameter of the hollow fiber membrane filaments in the membrane is 2.05 to 2.3 mm.
3. A hollow fiber curtain membrane as claimed in claim 1 or 2, wherein the number of hollow fiber membrane filaments in the membrane is 40 to 120.
4. A hollow fiber curtain membrane as claimed in claim 1 or 2, wherein the length of the membrane is 900 to 2200 mm.
5. A hollow fiber curtain membrane element made of membrane sheets according to any one of claims 1 to 4, characterized by comprising a membrane sheet holder and a membrane sheet group (2) arranged in the membrane sheet holder and composed of a plurality of membrane sheets (1) which are arranged in a stacked manner and are cut off from sealing connection parts; the two sides of the end part of the diaphragm group are provided with first glue sealing parts (201), and the diaphragm fixing frame comprises an upper water collecting tank (3) and a lower water collecting tank (3) which are respectively sleeved on the outer sides of the two ends of the diaphragm group along the width direction of the diaphragm group, and two communicating pipes (4) which are arranged on the two sides of the diaphragm group along the length direction of the diaphragm group and are used for communicating the two ends of the two water collecting tanks; a positioning step (3011) for positioning the end part of the diaphragm group is arranged in the water collecting tank, the end part of the diaphragm group is clamped at one side of the positioning step close to the opening of the water collecting tank, a flowing cavity (3012) is formed between the end part of the diaphragm group and the bottom surface of the water collecting tank, a second glue sealing part (3013) is arranged in the part from the opening side of the water collecting tank to the end part of the diaphragm group, and a melt glue protection part on the diaphragm is connected with the second glue sealing part; and two ends of the communicating pipe are respectively communicated with the flowing cavities in the two water collecting grooves.
6. The hollow fiber curtain type membrane element as claimed in claim 5, wherein the water collecting tank comprises a water collecting section (301) for connecting with the membrane group and connecting sections (302) located on both sides of the water collecting section and used for connecting with the communication pipe, a positioning step is arranged in the water collecting section, a flow cavity and a second sealant part are arranged in the water collecting section, a partition plate (3021) is arranged at the position of the connecting section corresponding to the positioning step in the water collecting section, the partition plate divides the connecting section into a water outlet part (3022) communicated with the flow cavity of the water collecting section and a connecting part (3023) communicated with the second sealant part of the water collecting section, a communication pipe clamping groove (3024) is arranged in the connecting part, the end part of the communication pipe is clamped in the communication pipe clamping groove, and the communication pipe clamping groove is communicated with the water outlet part.
7. A hollow fiber curtain membrane element as claimed in claim 6, wherein a baffle (6) is provided between the flow cavity of the water collecting section of the lower water collecting tank and the water outlet portion of the connecting section on one side, and a baffle (6) is provided between the flow cavity of the water collecting section of the upper water collecting tank and the water outlet portion of the connecting section on the other side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022288860.3U CN213885712U (en) | 2020-10-14 | 2020-10-14 | Hollow fiber curtain type diaphragm and membrane element |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022288860.3U CN213885712U (en) | 2020-10-14 | 2020-10-14 | Hollow fiber curtain type diaphragm and membrane element |
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| CN213885712U true CN213885712U (en) | 2021-08-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112337311A (en) * | 2020-10-14 | 2021-02-09 | 宁波水艺膜科技发展有限公司 | Hollow fiber curtain type membrane, membrane element and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112337311A (en) * | 2020-10-14 | 2021-02-09 | 宁波水艺膜科技发展有限公司 | Hollow fiber curtain type membrane, membrane element and manufacturing method thereof |
| CN112337311B (en) * | 2020-10-14 | 2022-06-17 | 宁波水艺膜科技发展有限公司 | Hollow fiber curtain type membrane, membrane element and manufacturing method thereof |
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