CN213865502U - Hollow fiber membrane element - Google Patents
Hollow fiber membrane element Download PDFInfo
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- CN213865502U CN213865502U CN202022172885.7U CN202022172885U CN213865502U CN 213865502 U CN213865502 U CN 213865502U CN 202022172885 U CN202022172885 U CN 202022172885U CN 213865502 U CN213865502 U CN 213865502U
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- water collecting
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Abstract
The utility model discloses a hollow fiber membrane element aims at providing a hollow fiber membrane group component of protection membrane silk root, extension membrane curtain life, the sealed effect of reinforcing water catch bowl, including membrane silk, water catch portion and support side pipe, support side pipe inside cavity and vertical arrangement in the both sides of membrane curtain, water catch portion is including establishing the last water catch portion and the lower water catch portion of setting in the membrane curtain below in membrane curtain top respectively, upper and lower water catch portion all includes the water catch bowl, seals glue inside groove and glue film, be equipped with on the water catch bowl inside wall be used for with seal glue inside groove interference fit's bottom step and with seal glue inside groove clearance fit's top step, the glue film is located the bottom step and seals the upper portion that the glue inside groove formed the sealed face. The bottom step in the water collecting tank prevents the packaging glue from leaking into the water collecting space, so that the packaging reliability is improved; a gap is formed between the top step in the water collecting tank and the glue sealing inner groove, so that the glue bonding area is increased, the packaging strength of the glue is increased, and the service life of the hollow fiber membrane is prolonged.
Description
Technical Field
The utility model relates to a quality of water purifies technical field, concretely relates to hollow fiber membrane element.
Background
Currently, membrane separation technology is popular due to shortage of water resources and serious water pollution problems. The membrane separation equipment has the advantages of small occupied space, convenient operation, low energy consumption, high separation efficiency and good effluent quality, so the membrane separation equipment is widely applied to many fields. Among MEMBRANE separation technologies, a MEMBRANE module is the core thereof, and among them, a HOLLOW FIBER MEMBRANE module (HOLLOW-FIBER MEMBRANE) is widely popular in the water treatment market due to its excellent water purification capacity. However, the existing hollow fiber membrane module mostly adopts a single water collecting tank to collect and convey the produced water of the membrane curtain, and the whole system has large resistance and higher energy consumption during suction.
The invention discloses a method for sealing a curtain type hollow fiber membrane, which is invented and created by Chinese patent publication No. CN107398183B, publication No. 2020, 7, 10, and comprises the following steps: fastening one end of the hollow fiber membrane bundle; soaking the end of the plugging substance fastened corresponding to the hollow fiber membrane bundle, taking out, and curing; correspondingly inserting one end of the solidified hollow fiber membrane bundle into an MBR water collecting pipe, and bonding and fixing the two; the other end of the hollow fiber membrane was produced. The method comprises the following steps: fastening two ends of the hollow fiber membrane bundle; soaking the two fastened ends of the hollow fiber membrane bundle by using plugging substances, taking out the hollow fiber membrane bundle, and curing the hollow fiber membrane bundle; and inserting two ends of the solidified hollow fiber membrane bundle into MBR water collecting pipes correspondingly respectively, and bonding and fixing the two. The tail end of the membrane wire does not need to extend into the water collecting pipe, and the utilization rate of the membrane wire is high; the water producing end does not need to be cut, and no solid waste is generated; the packaging material can be dissolved in water, only water is needed to be dissolved out after the hollow fiber curtain film is manufactured, and the dissolved packaging material can be recycled. According to the sealing method, the sealing material is firstly soaked in the curing membrane bundle, and then the membrane bundle and the water collecting pipe are bonded through glue.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the shortcoming among the prior art, provide a protection membrane silk root, extension membrane curtain life, the sealed effect of reinforcing water catch bowl, hollow fiber membrane element.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model provides a hollow fiber membrane element, includes membrane silk, water collection portion and support side's pipe, support side's pipe cavity and the vertical both sides of arranging at the membrane curtain (the membrane curtain itself is just the hollow fiber membrane element of fore-mentioned), the water collection portion is including establishing the last water-collecting portion and the lower water-collecting portion of setting in membrane curtain below in membrane curtain top respectively, upper and lower water-collecting portion all includes the water catch bowl, seals glue inside groove and glue film, be equipped with on the water catch bowl inside wall be used for with seal glue inside groove interference fit's bottom step and with seal glue inside groove clearance fit's top step, the glue film is located the bottom step and seals the upper portion that the sealed groove formed sealing surface. The internal structure of the upper and lower water collecting parts is similar, and the following water collecting part is taken as an example to explain the working principle of the lower water collecting part in structure. The water collecting tank, the inner sealing glue groove and the sealing glue layer in the water collecting part (lower water collecting part) jointly form a sealed water collecting space, and filtered water produced by the external pressure type hollow fiber membrane is collected into the water collecting space through the center of the membrane hole. The bottom step is used for bearing the glue sealing inner groove and forms a sealing surface in interference fit with the glue sealing inner groove to ensure that a water collecting space is reserved at the bottom of the glue sealing inner groove. The top step makes the inner wall of the water collecting tank and the inner groove of the sealing glue form a gap, and the hard glue can flow into the gap during the sealing and the sealing, so that the bonding area is increased.
Preferably, both ends all are equipped with the product mouth of a river about last water-collecting portion, and last water-collecting portion left end and the left support side of membrane curtain pipe top intercommunication are close to last water-collecting portion left end department and are equipped with the baffle of arranging in last water-collecting portion, lower water-collecting portion right-hand member is equipped with the baffle, and this baffle is diagonal with the baffle of last water-collecting portion and arranges, and lower water-collecting portion left end and the left support side of membrane curtain pipe bottom intercommunication. The upper water collecting part in the membrane component is provided with a partition plate (playing a role of blocking) at the position adjacent to the left end, so that the produced water on the upper side of the membrane curtain can be discharged from the right water producing port of the upper water collecting part; the water produced on the lower side of the membrane curtain sequentially enters the lower water collecting part, the supporting square pipe and the left water producing port of the upper water collecting part to flow out, and finally is conveyed to the membrane frame. (the water produced here refers to the water after the membrane treatment) the whole device realizes the independent water production of the upper part and the lower part of the membrane curtain, and the water production is energy-saving and efficient.
Preferably, the gap between the top step and the inner sealing glue groove is filled with hard glue with the Shore D degree of 70-99.
Preferably, the soft rubber layer with Shore D hardness of 10-70 is encapsulated at the opening at the top of the water collecting part. The soft adhesive layer plays a role in protecting the end parts of the membrane filaments.
Preferably, the top and the bottom of the square supporting pipe positioned on the left side of the membrane curtain are respectively embedded in corresponding holes at the left end of the upper water collecting tank and the left end of the lower water collecting tank, and the square supporting pipe, the upper water collecting tank and the lower water collecting tank are in interference fit. The supporting square tube not only plays a role of enabling the membrane curtain to be a stable frame structure, but also serves as a pipeline for conveying produced water. In order to prevent produced water from seeping out of the connecting part between the supporting square pipe and the water collecting tank, the supporting square pipe is designed to be inserted into the open hole of the water collecting tank and to be in interference fit with the water collecting tank.
Compared with the prior art, the beneficial effects of the utility model are that: the bottom step in the water collecting tank prevents the packaging glue from leaking into the water collecting space, so that the packaging reliability is improved; a gap is reserved between the top step in the water collecting tank and the glue sealing inner groove, so that the glue bonding area is increased, the packaging strength of the glue is increased, and the service life of the hollow fiber membrane is prolonged; the upper side and the lower side of the membrane curtain are respectively and independently used for producing water, so that the pumping resistance of the system is reduced, and the pumping energy consumption of the system is reduced; the soft rubber layer in the water collection part can reduce the root hardness of the hollow fiber membrane filaments, and the hollow fiber membrane is protected.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged sectional view taken along line B-B of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 1 at I;
fig. 5 is a schematic view of the structure of the lower water collection portion in fig. 1.
In the figure: the water collecting device comprises membrane wires 1, a water collecting part 2, an upper water collecting part 21, a lower water collecting part 22, a supporting square pipe 3, a water producing port 4, a partition plate 5, an inner sealing glue groove 6, a water collecting groove 7, a soft glue layer 8, a glue layer 9, a top step 10, a bottom step 11 and a hard glue layer 12.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in fig. 1 and 5, a hollow fiber membrane element comprises a membrane wire 1, a water collecting part 2 and a supporting square tube 3, the supporting square tube 3 is hollow and vertically arranged on two sides of a membrane curtain (the membrane curtain is just the aforementioned hollow fiber membrane element), the water collecting part comprises an upper water collecting part and a lower water collecting part, the upper water collecting part and the lower water collecting part are respectively arranged above the membrane curtain, the upper water collecting part and the lower water collecting part are respectively arranged below the membrane curtain, the upper water collecting part and the lower water collecting part respectively comprise a water collecting tank 7, an inner sealing glue groove 6, a soft glue layer 9 and a hard glue layer 12 (as shown in the figure, the soft glue layer 9 and the hard glue layer 12 are collectively referred to as a glue layer 9), a bottom step 11 matched with the inner sealing glue groove 6 and a top step 10 in clearance fit with the inner sealing glue groove 6 are arranged on the inner side wall of the water collecting tank 7, and a sealing glue is coated between the bottom step 11 and the inner sealing glue groove 6. Fig. 5 is a schematic sectional view of lower water collection unit 22, and the internal structure of upper water collection unit 21 is not described again because the internal structures of upper water collection unit 21 and lower water collection unit 22 are identical. As shown in fig. 5, an inner sealing glue groove 6 is disposed in the water collecting tank 7 and closely attached to the inner side wall of the water collecting tank 7, and a water collecting space for transporting produced water is formed between the inner sealing glue groove 6 and the bottom of the water collecting tank 7. The glue sealing inner groove 6 is in interference fit with the bottom step 11 in the water collecting groove 7, and before the glue sealing inner groove is arranged on the bottom step, sealant is coated on the bottom step to form a glue layer. And hard glue with the Shore D hardness of 80 is encapsulated in a gap formed between the top step 10 and the glue sealing inner groove 6. The water collection part 2 comprises an upper water collection part 21 and a lower water collection part 22, the upper water collection part 21 and the lower water collection part 22 are respectively arranged at the top of the membrane wire 1, and water producing ports 4 are respectively arranged at the left end and the right end of the upper water collection part 21. The internal structures of the upper water collecting part and the lower water collecting part are similar, and the upper water collecting part and the lower water collecting part are arranged at the upper end and the lower end of the membrane wire in a diagonal crossing manner. As shown in fig. 1 and 2, the left end of the upper water collection part 21 is communicated with the top of the support square tube 3 on the left side of the membrane wire 1, a partition plate 5 is arranged in the upper water collection part 21 adjacent to the left end thereof, and a partition plate with the same function is arranged at the right end of the lower water collection part 22. As shown in fig. 2, 3 and 4, the left end of the lower water collection part 22 is communicated with the bottom of the support square tube 3 on the left side of the membrane thread 1. The joints of the supporting square pipe 3, the upper water collecting part 21 and the lower water collecting part 22 are in interference fit. The opening at the top of the water collecting tank 6 is provided with a soft rubber layer 8 for protecting the end part of the membrane wire, and the thickness of the soft rubber layer 8 is 6mm and the Shore D hardness is 15.
As shown in fig. 1 to 5, when the inner sealant groove 6 is mounted, a sealant is applied to the bottom step 11 of the water collection groove 7. Then the glue sealing inner groove 6 is pressed into the water collecting groove 22, after the bottom step 11 is in interference fit with the glue sealing inner groove 6, the glue sealing inner groove and the water collecting groove can form a water collecting space with excellent sealing performance, a certain gap exists between the top step 10 and the glue sealing inner groove 6, the reserved gap is filled with hard glue (hard glue with Shore D hardness of 80) to form a hard glue layer 12, and after the hard glue flows into the gap, the glue sealing inner groove can be reliably fixed in the water collecting groove. And finally, encapsulating and forming a soft rubber layer 8 (the Shore D hardness is 15) with the thickness of 6mm at the top of the water collecting tank 7, and protecting the end part of the membrane wire.
Claims (5)
1. The utility model provides a hollow fiber membrane element, its characterized in that, manages including membrane silk, water collection portion and support side, support side's intraduct cavity and vertical arrangement in the both sides of membrane curtain, the membrane curtain is exactly the hollow fiber membrane element of front-mentioned, the water collection portion is including establishing the last water collection portion and the lower water collection portion of setting in membrane curtain below in membrane curtain top respectively, upper and lower water collection portion all includes the water catch bowl, seals gluey inside groove and glue film, be equipped with on the water catch bowl inside wall be used for with seal gluey inside groove interference fit's bottom step and with seal gluey inside groove clearance fit's top step, the glue film is located the bottom step and seals the upper portion that gluey inside groove formed sealed face.
2. The hollow fiber membrane element of claim 1, wherein the upper water collection part is provided with water generating ports at the left end and the right end, the left end of the upper water collection part is communicated with the top of the supporting square tube at the left side of the membrane curtain, a partition plate arranged in the upper water collection part is arranged near the left end of the upper water collection part, the right end of the lower water collection part is provided with a partition plate, the two partition plates are arranged diagonally, and the left end of the lower water collection part is communicated with the bottom of the supporting square tube at the left side of the membrane curtain.
3. The hollow fiber membrane element of claim 2, wherein a gap between the top step and the inner sealant groove is filled with a hard glue with a Shore D degree of 70-99.
4. The hollow fiber membrane element of claim 1, wherein the soft gel layer with a Shore D hardness of 10-70 is encapsulated at the top opening of the water collecting part.
5. The hollow fiber membrane element of claim 2, wherein the top and bottom of the square support tube on the left side of the membrane curtain are respectively embedded in the corresponding openings at the left end of the upper water collecting tank and the left end of the lower water collecting tank, and the square support tube is in interference fit with the upper water collecting tank and the lower water collecting tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022172885.7U CN213865502U (en) | 2020-09-28 | 2020-09-28 | Hollow fiber membrane element |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022172885.7U CN213865502U (en) | 2020-09-28 | 2020-09-28 | Hollow fiber membrane element |
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| CN213865502U true CN213865502U (en) | 2021-08-03 |
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| CN202022172885.7U Active CN213865502U (en) | 2020-09-28 | 2020-09-28 | Hollow fiber membrane element |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117160238A (en) * | 2023-11-02 | 2023-12-05 | 山东招金膜天股份有限公司 | Assembled hollow fiber membrane assembly |
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2020
- 2020-09-28 CN CN202022172885.7U patent/CN213865502U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117160238A (en) * | 2023-11-02 | 2023-12-05 | 山东招金膜天股份有限公司 | Assembled hollow fiber membrane assembly |
| CN117160238B (en) * | 2023-11-02 | 2024-01-26 | 山东招金膜天股份有限公司 | Assembled hollow fiber membrane assembly |
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