CN112999877A - Method and device for manufacturing hollow fiber curtain type membrane assembly - Google Patents
Method and device for manufacturing hollow fiber curtain type membrane assembly Download PDFInfo
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- CN112999877A CN112999877A CN202110186851.XA CN202110186851A CN112999877A CN 112999877 A CN112999877 A CN 112999877A CN 202110186851 A CN202110186851 A CN 202110186851A CN 112999877 A CN112999877 A CN 112999877A
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- 239000012528 membrane Substances 0.000 title claims abstract description 152
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000003292 glue Substances 0.000 claims abstract description 42
- 238000003466 welding Methods 0.000 claims abstract description 18
- 239000002356 single layer Substances 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 52
- 229910052742 iron Inorganic materials 0.000 claims description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000741 silica gel Substances 0.000 claims description 12
- 229910002027 silica gel Inorganic materials 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 229920006335 epoxy glue Polymers 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 238000010030 laminating Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 238000004023 plastic welding Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
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
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a method and a device for manufacturing a hollow fiber curtain type membrane component, wherein the method comprises the steps of fixing one end of a membrane wire on a first wire arranging tool, and arranging the membrane wire; fixing the first wire arranging tool, and fixing the other end of the membrane wire on the second wire arranging tool to arrange the wires; welding the end parts of the membrane wires to obtain a single-layer membrane; laminating a plurality of single-layer membranes, and installing a connecting piece between the end parts of the adjacent single-layer membranes to obtain a laminated membrane; and placing the laminated membrane on a tool rack, injecting glue into a pouring groove of the tool rack, and curing the glue to obtain the hollow fiber curtain type membrane assembly. The manufacturing method of the hollow fiber curtain type membrane component is simple to operate and low in cost.
Description
Technical Field
The invention belongs to the field of water treatment, and particularly relates to a method and a device for manufacturing a hollow fiber curtain type membrane assembly.
Background
The membrane bioreactor is widely applied to domestic sewage treatment and industrial wastewater treatment processes due to the fact that the membrane bioreactor has small occupied area, mild operation conditions and strong separation capacity, meanwhile, higher requirements are provided for attractiveness, shaking amount and filling density of a curtain type membrane assembly, a hollow fiber membrane has the advantages of being high in membrane area, self-supporting structure, easy to process and the like compared with a flat membrane, but in the existing membrane assembly manufactured by the hollow fiber membrane, membrane yarn shaking amount is easy to be inconsistent, hole plugging operation after cutting to a fixed length is difficult, membrane yarn filling rate is low, appearance is irregular, and glue injection time of the whole process is long.
The application document with publication number CN103495344B discloses a method for encapsulating a hollow fiber curtain type membrane module, which comprises the steps of suspending a plurality of hollow fiber membrane filaments with the same length on an end enclosure tooling frame, cutting off redundant membrane filaments, extending the hollow fiber membrane filaments into a water collecting pipe, sequentially adding an encapsulant, hard glue and soft glue, rotating the end enclosure tooling frame and repeating the process after the glue is completely hardened, and encapsulating the other ends of the hollow fiber membrane filaments. And moreover, the glue needs to be injected by turning around, the period is long, and when the filling density is high, the sealing glue strip needs to be blocked.
In view of the above, a method for manufacturing a hollow fiber curtain membrane module with a short manufacturing cycle and simple operation is needed.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide a hollow fiber curtain type membrane module with short manufacturing period and simple operation and a manufacturing device.
The method for manufacturing the hollow fiber curtain membrane module comprises the following steps:
s1, fixing one end of the membrane yarn on a first yarn arranging tool, and arranging the membrane yarn;
s2, fixing the first silk arranging tool in the step S1, and fixing the other end of the membrane silk on the second silk arranging tool to arrange the silk;
s3, welding the ends of the membrane wires to obtain a single-layer membrane;
s4, stacking a plurality of single-layer membranes, and installing connecting pieces between the end parts of the adjacent single-layer membranes to obtain stacked membranes;
and S5, placing the laminated membrane in the step S4 on a tool frame, injecting glue into a pouring groove of the tool frame, and obtaining the hollow fiber curtain membrane assembly after injecting glue and curing.
Further, the specific process of filament arrangement in step S1 is as follows: the first wire arranging tool is moved in a reciprocating mode, so that a plurality of membrane wires are arranged into a layer tightly and uniformly;
the specific process of wire arrangement in step S2 is as follows: and reciprocating the first wire arranging tool and/or the second wire arranging tool to enable a plurality of membrane wires to be tightly and uniformly arranged into a layer.
Further, the process of welding the ends of the membrane wires in step S3 is specifically as follows: the ends of the membrane filaments are welded using ultrasonic plastic, while the inner liners of adjacent membrane filaments are welded.
Further, the connecting piece in the step S4 is a self-adhesive silica gel strip, the thickness of the self-adhesive silica gel strip is 0.8-1mm, and the length of the self-adhesive silica gel strip is equal to the length of the pouring groove of the tool rack.
Further, step S5 specifically includes: placing the laminated membrane in the step S4 on a tool frame, enabling two ends of the laminated membrane to naturally droop and fall into a pouring groove; and then injecting glue into the casting groove, and obtaining the hollow fiber curtain type membrane assembly with the cured glue blocks at two ends after the glue is injected and cured.
Further, the glue injection material in step S5 is epoxy resin glue and/or polyurethane glue.
Further, step S5 includes cutting the casting groove to cut off the welding positions at the two ends of the membrane wire and expose the central tube of the membrane wire, then adhering water collecting pipes at the two ends of the casting groove, and performing air tightness detection through the water collecting pipes.
The invention also provides a manufacturing device of the hollow fiber curtain type membrane component, which comprises a wire arranging tool and a tool rack;
the filament arrangement tool comprises a first filament arrangement tool and a second filament arrangement tool, and is used for clamping membrane filaments and arranging the filaments;
the tool frame is used for placing the laminated membrane and injecting glue.
Further, the first wire arranging tool and the second wire arranging tool both comprise a first iron pipe and a second iron pipe; the first iron pipe and the second iron pipe are parallel to each other, and two ends of the first iron pipe and the second iron pipe are connected through bolts; and a silica gel strip is arranged at the gap between the first iron pipe and the second iron pipe.
Further, the tool frame comprises a support, an adjustable roll shaft and a pouring groove; the adjustable roller shaft is arranged on the bracket and is suitable for moving relative to the bracket so as to adjust the height of the laminated film; the pouring troughs are a pair and are symmetrically arranged on two sides of the bracket.
Compared with the prior art, the technical scheme of the invention has the following advantages:
the manufacturing method of the hollow fiber curtain type membrane component uses the manufacturing device to carry out dense filament arrangement, has simple operation, low cost and no membrane filament intersection, and improves the filling density of the curtain type membrane manufacture compared with the membrane component manufactured by arranging each membrane filament at equal intervals, thereby meeting the requirement of the membrane area. A layer of self-adhesive silica gel strips is added to each row of membranes for lamination, so that the consistent distance between the membranes is ensured, and the blockage and accumulation of sludge at two ends of a curtain type membrane component during operation are reduced, thereby slowing down membrane pollution. The membrane silk is the homogeneity and weaves reinforcing hollow fiber membrane, use ultrasonic wave plastic welding machine to weld the membrane silk end of arranging, the inside lining of inside can directly be welded to ultrasonic welding, reach the effect of fixed membrane silk and sealed stifled hole simultaneously, compare and annotate the operation that hot melt adhesive fixed membrane silk was made single diaphragm and sealed gluey stifled hole of overlapping again, and easy operation, stifled hole can not have the omission, welding process is stable, welding speed is fast, high welding strength, good sealing performance, therefore, the carrier wave prepaid electric energy meter is low in cost, it is clean pollution-free and can not harm the membrane silk. The mode of injecting glue at two ends simultaneously is adopted, and compared with the traditional mode of suspending injecting glue, the operation of injecting glue after turning over is not needed, and the manufacturing period is shortened.
Drawings
FIG. 1 is a schematic diagram of steps S1-S2 of a method provided by an embodiment of the invention;
FIG. 2 is a schematic diagram of step S4 of the method provided by the embodiment of the invention;
fig. 3 is a schematic diagram of step S5 of the method according to the embodiment of the present invention.
1, a first wire arranging tool; 2. a second wire arranging tool; 3. a first iron pipe; 4. a second iron pipe; 5. membrane silk; 6. self-adhesive silica gel strips; 7. a tool rack; 8. a support; 9. the roll shaft can be adjusted; 10. and (4) pouring a trough.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The method for manufacturing a hollow fiber curtain membrane module of the present embodiment, as shown in fig. 1 to 2, includes the steps of:
s1, fixing one end of the membrane wire 5 on the first wire arranging tool 1, and arranging the membrane wire 5;
s2, fixing the first silk arranging tool 1 in the step S1, and fixing the other end of the membrane silk 5 on the second silk arranging tool 2 for silk arrangement;
s3, welding the end parts of the membrane wires 5 to obtain a single-layer membrane;
s4, stacking a plurality of single-layer membranes, and installing connecting pieces between the end parts of the adjacent single-layer membranes to obtain stacked membranes; in step S4, before the plurality of single-layer membranes are stacked, the first wire arranging tool 1 and the second wire arranging tool 2 at the two ends of the single-layer membranes are sequentially detached to obtain the single-layer membranes.
S5, as shown in fig. 3, the laminated membrane in step S4 is placed on a tool rack 7, and glue is injected into the casting groove 10 of the tool rack 7, and after glue injection and solidification, a hollow fiber curtain membrane module is obtained.
Further, the specific process of filament arrangement in step S1 is as follows: the first wire arranging tool 1 is moved in a reciprocating manner, so that a plurality of membrane wires 5 are tightly and uniformly arranged into a layer;
the specific process of wire arrangement in step S2 is as follows: and (3) reciprocating the first wire arranging tool 1 and/or the second wire arranging tool 2 to enable a plurality of membrane wires 5 to be tightly and uniformly arranged into a layer. Through the filament arrangement process in the steps S1 and S2, the membrane filaments 5 are prevented from being entangled and causing pollution in the filament arrangement process.
Further, the process of welding the end of the membrane wire 5 in step S3 is specifically as follows: the ends of the membrane wires 5 are welded using an ultrasonic plastic welding machine, while the inner liners of adjacent membrane wires 5 are welded. And welding the end parts of the membrane wires 5 by an ultrasonic Soviet Union welding machine to enable the membrane wires 5 after finishing to form a compact single-layer membrane.
Further, the connecting piece in step S4 is a self-adhesive silica gel strip 6, the thickness of the self-adhesive silica gel strip 6 is 1mm, and the length of the self-adhesive silica gel strip is equal to the width of the pouring groove 10.
Further, step S5 specifically includes: placing the laminated membrane in the step S4 on a tool frame 7, enabling two ends of the laminated membrane to naturally droop and fall into a pouring groove 10; and then injecting glue into the casting groove 10, and after glue injection and solidification, obtaining the hollow fiber curtain type membrane assembly with the solidified glue blocks at two ends.
Further preferably, the glue injection material in step S5 is epoxy resin glue and polyurethane glue, and the epoxy resin glue and the polyurethane glue are sequentially and segmentally poured into the pouring slot 10.
The step S5 further includes the step S5 further including cutting the casting groove 10 to cut off the welded portions at the two ends of the membrane wires and expose the central tube of the membrane wires, then adhering water collecting pipes to the two ends of the casting groove 10, and performing air tightness detection through the water collecting pipes.
The embodiment also provides a manufacturing device of the hollow fiber curtain type membrane component, which is used for implementing the method and comprises a wire arranging tool and a tool frame 7. The filament arrangement tool comprises a first filament arrangement tool 1 and a second filament arrangement tool 2, and is used for clamping membrane filaments 5 and arranging filaments; the tool rack 7 is used for placing the arranged membrane filaments 5 and injecting glue.
The first wire arranging tool 1 and the second wire arranging tool 2 both comprise a first iron pipe 3 and a second iron pipe 4; the first iron pipe 3 and the second iron pipe 4 are parallel to each other, and two ends of the first iron pipe and two ends of the second iron pipe are connected through bolts; and a silica gel strip is arranged at the gap between the first iron pipe 3 and the second iron pipe 4.
The tool frame 7 comprises a bracket 8, an adjustable roll shaft 9 and a pouring groove 10; the adjustable roller shaft 9 is arranged on the bracket 8 and is suitable for moving relative to the bracket 8 so as to adjust the height of the laminated film; the pouring troughs 10 are a pair and are symmetrically arranged at two sides of the bracket 8.
The manufacturing method of the hollow fiber curtain type membrane component uses the manufacturing device to carry out dense filament arrangement, has simple operation and low cost, has no membrane filament 5 intersection, and improves the filling density of the curtain type membrane manufacture compared with the membrane component manufactured by arranging each membrane filament 5 at equal distance, thereby meeting the requirement of the membrane area. A layer of self-adhesive silica gel strips is added to each row of membranes for lamination, so that the consistent distance between the membranes is ensured, and the blockage and accumulation of sludge at two ends of a curtain type membrane component during operation are reduced, thereby slowing down membrane pollution. Membrane silk 5 weaves reinforcing hollow fiber membrane for the homogeneity, use ultrasonic wave plastic welding machine to weld the 5 ends of the membrane silk of arranging, ultrasonic bonding can the direct welding inside lining, reach the effect of fixed membrane silk 5 and sealed stifled hole simultaneously, it is range upon range of again to compare and annotate fixed membrane silk 5 of hot melt adhesive and make single diaphragm, and use the connecting piece to carry out stifled hole, and easy operation, stifled hole does not have the omission, welding process is stable, welding speed is fast, high welding strength, the leakproofness is good, therefore, the carrier wave prepaid electric energy meter is low in cost, it is clean pollution-free and can not harm membrane silk 5. The mode of injecting glue at two ends simultaneously is adopted, and compared with the traditional mode of suspending injecting glue, the operation of injecting glue after turning over is not needed, and the manufacturing period is shortened.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A method for manufacturing a hollow fiber curtain membrane module, characterized by comprising the steps of:
s1, fixing one end of the membrane yarn on a first yarn arranging tool, and arranging the membrane yarn;
s2, fixing the first silk arranging tool in the step S1, and fixing the other end of the membrane silk on the second silk arranging tool to arrange the silk;
s3, welding the ends of the membrane wires to obtain a single-layer membrane;
s4, stacking a plurality of single-layer membranes, and installing connecting pieces between the end parts of the adjacent single-layer membranes to obtain stacked membranes;
and S5, placing the laminated membrane in the step S4 on a tool frame, injecting glue into a pouring groove of the tool frame, and obtaining the hollow fiber curtain membrane assembly after injecting glue and curing.
2. The method for manufacturing a hollow fiber curtain membrane module according to claim 1, wherein the specific process of filament arrangement in step S1 is: the first wire arranging tool is moved in a reciprocating mode, so that a plurality of membrane wires are arranged into a layer tightly and uniformly;
the specific process of wire arrangement in step S2 is as follows: and reciprocating the first wire arranging tool and/or the second wire arranging tool to enable a plurality of membrane wires to be tightly and uniformly arranged into a layer.
3. The method of manufacturing a hollow fiber curtain membrane module according to claim 2, wherein the welding of the ends of the membrane filaments in step S3 is specifically performed by: the ends of the membrane filaments are welded using ultrasonic plastic, while the inner liners of adjacent membrane filaments are welded.
4. The method for manufacturing a hollow fiber curtain membrane module according to claim 3, wherein the connecting member in step S4 is a self-adhesive silicone strip having a thickness of 0.8-1mm and a length equal to the length of the pouring slot of the tool holder.
5. The method for producing a hollow fiber curtain membrane module according to claim 4, wherein step S5 specifically includes: placing the laminated membrane in the step S4 on a tool frame, enabling two ends of the laminated membrane to naturally droop and fall into a pouring groove; and then injecting glue into the casting groove, and obtaining the hollow fiber curtain type membrane assembly with the cured glue blocks at two ends after the glue is injected and cured.
6. The method for manufacturing a hollow fiber curtain membrane module as claimed in claim 5, wherein the glue injection material in the step S5 is epoxy glue and/or polyurethane glue.
7. The method of manufacturing a hollow fiber curtain membrane module according to claim 6, wherein the step S5 further comprises cutting the casting groove to cut off the welded portions at both ends of the membrane wire and expose the central tube of the membrane wire, and then bonding the header pipes to both ends of the casting groove and performing the airtightness test through the header pipes.
8. A manufacturing device of a hollow fiber curtain type membrane component is characterized by comprising a filament arrangement tool and a tool rack;
the filament arrangement tool comprises a first filament arrangement tool and a second filament arrangement tool, and is used for clamping membrane filaments and arranging the filaments;
the tool frame is used for placing the laminated membrane and injecting glue.
9. The manufacturing device of the hollow fiber curtain membrane module as claimed in claim 8, wherein the first wire arranging tool and the second wire arranging tool each comprise a first iron pipe and a second iron pipe; the first iron pipe and the second iron pipe are parallel to each other, and two ends of the first iron pipe and the second iron pipe are connected through bolts; and a silica gel strip is arranged at the gap between the first iron pipe and the second iron pipe.
10. The manufacturing apparatus of a hollow fiber curtain membrane module as claimed in claim 9, wherein the tool rack comprises a bracket, an adjustable roll shaft, and a casting trough; the adjustable roller shaft is arranged on the bracket and is suitable for moving relative to the bracket so as to adjust the height of the laminated film; the pouring troughs are a pair and are symmetrically arranged on two sides of the bracket.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110186851.XA CN112999877A (en) | 2021-02-10 | 2021-02-10 | Method and device for manufacturing hollow fiber curtain type membrane assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110186851.XA CN112999877A (en) | 2021-02-10 | 2021-02-10 | Method and device for manufacturing hollow fiber curtain type membrane assembly |
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| CN112999877A true CN112999877A (en) | 2021-06-22 |
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| 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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2021
- 2021-02-10 CN CN202110186851.XA patent/CN112999877A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100300947A1 (en) * | 2007-12-14 | 2010-12-02 | Youfeng Sun | Membrane Module and Membrane Bioreactor, Water Treatment Equipment Using the Same |
| CN203577645U (en) * | 2013-11-15 | 2014-05-07 | 北京碧水源膜科技有限公司 | Novel detachable bundle type certain type membrane component manufacturing device |
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Address after: 301800 No.10, Fuli Road, Baodi plastic products industrial zone, Baodi District, Tianjin Applicant after: Oseco membrane technology (Tianjin) Co.,Ltd. Address before: 301800 No.10, Fuli Road, Baodi plastic products industrial zone, Baodi District, Tianjin Applicant before: TIANJIN BISHUIYUAN MEMBRANE MATERIAL Co.,Ltd. |
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Application publication date: 20210622 |