CN211897186U - Coagulating bath and hollow fiber membrane production system - Google Patents
Coagulating bath and hollow fiber membrane production system Download PDFInfo
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- CN211897186U CN211897186U CN202020378616.3U CN202020378616U CN211897186U CN 211897186 U CN211897186 U CN 211897186U CN 202020378616 U CN202020378616 U CN 202020378616U CN 211897186 U CN211897186 U CN 211897186U
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Abstract
The utility model provides a coagulating bath and hollow fiber membrane production system relates to fibre membrane production technical field, the utility model provides a coagulating bath includes: the multi-section coagulation bath tube is connected in sequence and communicated with each other, and the godet wheel is arranged on the coagulation bath tube. The utility model provides a coagulating bath groove has solved coagulating bath groove manufacturing and the high technical problem of running cost among the correlation technique.
Description
Technical Field
The utility model belongs to the technical field of the fibre membrane production technique and specifically relates to a coagulating bath and hollow fiber membrane production system are related to.
Background
In the preparation process of the hollow fiber membrane, the dissolved spinning feed liquid enters a coagulating bath groove through a spinning plate to finish the solidification film-forming process, and then the solidified hollow fiber membrane is taken out of the coagulating bath groove, wound to collect filaments and then subjected to the subsequent treatment process.
On the one hand; most of the coagulation bath tanks used in the prior art are cuboids, and the inhomogeneity of temperature fields and concentration fields exists, so that the prepared hollow fiber membrane is inhomogeneous and stable.
In another aspect; in the process of processing the solidification bath, metal processing technologies such as welding and the like are needed, and in the current situation that the requirement on environmental protection is stricter, professional equipment is needed in the processing and welding process, the transportation, installation and debugging costs are higher, and the miniaturization and standardization of the equipment are not facilitated, so that the comprehensive cost of manufacturing and using the solidification bath can be increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the first aspect provides a coagulating bath groove to alleviate coagulating bath groove high in manufacturing cost's technical problem in the correlation technique.
The utility model provides a coagulating bath groove includes: the multi-section coagulation bath pipe is sequentially connected and communicated with each other, and the godet wheel is arranged on the coagulation bath pipe.
Furthermore, the multiple sections of the solidification bath pipes comprise linear solidification bath pipes and bent solidification bath pipes, and the two ends of each bent solidification bath pipe are connected with the linear solidification bath pipes.
Further, the coagulation bath tank also comprises a wire pressing wheel, and the wire pressing wheel is arranged at the bending part of the bending type coagulation bath pipe.
Further, the coagulation bath may further include a guide line provided along an extending direction of the coagulation bath tube and extending from an inside of the coagulation bath tube.
Further, the coagulation bath also comprises a wire wheel which is rotatably connected with the coagulation bath tube and is used for supporting the guide wire.
Further, the coagulating bath groove also comprises a guide line positioning device, and the guide line positioning device is arranged between the two parallel guide lines.
Further, the coagulation bath tank also comprises a heat exchange device and a delivery pump, and the heat exchange device and the delivery pump are both arranged outside the coagulation bath pipe;
the conveying pump is communicated with the coagulation bath pipe through a conveying pipeline, one end of the conveying pipeline is communicated with the wire inlet end of the coagulation bath pipe, the other end of the conveying pipeline is communicated with the wire outlet end of the coagulation bath pipe, and the heat exchange device is arranged on the conveying pipeline.
Furthermore, a heat insulation layer is arranged outside the coagulation bath tube.
Furthermore, the cross section of the coagulation bath tube is round or square.
The utility model discloses the second aspect provides a hollow fiber membrane production system to alleviate the technical problem that coagulating bath manufacturing cost is high among the correlation technique.
The utility model provides a hollow fiber membrane production system includes foretell coagulating bath groove.
The utility model provides a coagulating bath and hollow fiber membrane production system, coagulating bath includes: the multi-section coagulation bath tube is connected in sequence and communicated with each other, and the godet wheel is arranged on the coagulation bath tube. The multiple sections of coagulation bath pipes are sequentially connected to form a tubular coagulation bath, and the godet wheel is arranged on the coagulation bath pipe and plays a role in guiding the hollow fiber membrane. The hollow fiber membrane enters from one end of the coagulating bath groove and extends out from the other end of the coagulating bath groove, and the coagulating bath in the coagulating bath groove is only contacted with the outside at the inlet end and the outlet end of the hollow fiber membrane, so that the heat dissipation area is reduced, and the function of saving energy is achieved; in addition, the multiple sections of coagulation bath pipes are convenient to transport and can be installed on site, and the manufacturing cost of the coagulation bath tank is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention or the related art, the drawings required to be used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a coagulation bath provided by an embodiment of the present invention;
fig. 2 is a schematic partial structure diagram of a coagulation bath provided by an embodiment of the present invention;
fig. 3 is a schematic view of a coagulating bath medium pressure wire wheel and a wire-carrying wheel provided by the embodiment of the invention.
Icon: 001-hollow fiber membrane; 110-straight line type coagulation bath tube; 120-bending type coagulation bath tube; bending sections at 121-90 degrees; bending sections of 122-45 degrees; 130-flange interface; 140-a support frame; 200-godet wheel; 300-a wire pressing wheel; 400-a guide wire; 500-a band wire wheel; 600-a guidewire positioning device; 700-heat exchange means; 800-a delivery pump; 810-conveying pipeline; 820-a control valve; 900-spinneret.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, or connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the coagulation bath provided by the embodiment of the present invention includes: the multi-section coagulation bath tube is connected with the godet wheel 200 in sequence, the godet wheel 200 is arranged on the coagulation bath tube.
In some embodiments, adjacent coagulation bath tubes may be fixedly connected by welding or bonding. In this embodiment, the adjacent coagulation bath tubes are detachably connected by means of screw connection or bolt connection.
Specifically, adjacent coagulation bath pipes are connected through a connecting pipe, and two ends of the connecting pipe are respectively in threaded fit with the corresponding coagulation bath pipes, so that the connection of the two coagulation bath pipes is realized. Or, the end parts of the coagulation bath pipes are fixedly connected with the flange interfaces 130, and the flange interfaces 130 on the adjacent coagulation bath pipes are connected through bolts, thereby realizing the connection of the adjacent coagulation bath pipes.
The adjacent coagulation bath pipes are connected through the flange interfaces 130 or the connecting pipes, and special manufacturing processes such as welding and the like are not needed when the coagulation bath pipes are installed on site, so that the manufacturing cost is saved, and the coagulation bath pipes can play a role in environmental protection.
Further, the multi-section coagulation bath tube comprises a linear coagulation bath tube 110 and a bent coagulation bath tube 120, and both ends of the bent coagulation bath tube 120 are connected with the linear coagulation bath tube 110.
As shown in FIG. 1, in the present embodiment, the multiple-sectional coagulation bath tube includes a bent coagulation bath tube 120 and two straight coagulation bath tubes 110. The bent coagulation bath tube 120 is located below the two linear coagulation bath tubes 110, and the bent coagulation bath tube 120 includes a 90-degree bent section 121 and a 45-degree bent section 122 connected to each other. One of the linear coagulation bath tubes 110 is arranged along the vertical direction, the lower end is connected with the 90-degree bending section 121 through a flange connector 130, and the upper end is an inlet end of the hollow fiber membrane 001; the other straight coagulation bath tube 110 is obliquely arranged, the lower end of the straight coagulation bath tube is connected with the 45-degree bent section 122 through the flange connector 130, and the upper end of the straight coagulation bath tube is the outlet end of the hollow fiber membrane 001. The upper ends of the two straight coagulation bath tubes 110 are arranged in parallel.
The straight coagulation bath tube 110 is connected with the bent coagulation bath tube 120, so that the whole coagulation bath is bent, and the periphery of all coagulation bath tubes is subjected to heat preservation and insulation treatment to reduce energy consumption.
The coagulation bath further includes a support frame 140, and the support frame 140 is supported by an end portion of the linear coagulation bath tube 110 disposed obliquely, thereby improving stability of the linear coagulation bath tube 110.
Further, the coagulation bath further includes a wire pressing wheel 300, and the wire pressing wheel 300 is disposed at the bending position of the bending type coagulation bath tube 120.
The number of the wire pressing wheels 300 is two, and the two wire pressing wheels 300 are rotatably connected to the inside of the bending coagulation bath tube 120. As shown in fig. 2, one of the wire pressing wheels 300 is disposed at the bending position of the 90-degree bending section 121, the other wire pressing wheel 300 is disposed at the bending position of the 45-degree bending section 122, and the axes of the two wire pressing wheels 300 are located on the same horizontal plane. The outer peripheral surface of the wire pressing wheel 300 is provided with a limiting groove.
The hollow fiber membrane 001 passing through the bent coagulation bath tube 120 is positioned below the wire pressing wheel 300 and is in contact with the two wire pressing wheels 300, and the limiting groove limits the hollow fiber membrane 001 along the axial direction of the wire pressing wheels 300, so that the hollow fiber membrane 001 is prevented from moving along the axial direction of the wire pressing wheels 300; the two wire pressing wheels 300 support the hollow fiber membrane 001 at the bending position, and the hollow fiber membrane 001 is prevented from contacting the bending position to influence the movement of the hollow fiber membrane 001.
Further, the coagulation bath further includes a guide line 400, and the guide line 400 is provided along the extending direction of the coagulation bath tube and projects from the inside of the coagulation bath tube.
As shown in fig. 1, a guide wire 400 is inserted through the multiple sections of the coagulation bath tube and extends from the inlet end of the hollow fiber membrane 001 and the outlet end of the hollow fiber membrane 001. The nascent hollow fiber membrane 001 may be fixed on the guide wire 400, and the hollow fiber membrane 001 is passed in from the inlet end and out from the outlet end by pulling the guide wire 400 from the outlet end.
In some embodiments, the guide wire 400 is linear and has a length greater than twice the sum of the lengths of the multiple sections of the coagulation bath tube. Two free ends of the guide wire 400 protrude from the inlet end of the hollow fiber membrane 001 and the outlet end of the hollow fiber membrane 001, respectively. When the nascent hollow fiber membrane 001 is pulled through the coagulation bath, the length of the guide wire 400 extending from the inlet end is longer than the length of the multiple sections of the coagulation bath tube, the free end of the hollow fiber membrane 001 is fixed on the guide wire 400, the guide wire 400 is pulled from the outlet end, the hollow fiber membrane 001 is pulled from the outlet end, then the hollow fiber membrane 001 is taken off from the guide wire 400, the guide wire 400 is pulled from the inlet end, and the length of the guide wire 400 extending from the inlet end is longer than the length of the multiple sections of the coagulation bath tube, so that preparation is made for pulling the hollow fiber membrane 001 next time.
As another embodiment, the guide wire 400 is in the shape of a loop, i.e., two free ends of the guide wire 400 extending from the inlet end and the outlet end are fixedly connected. The guide wire 400 is made to be annular, the guide wire 400 can be pulled in the same direction, and the guide wire 400 does not need to be reset after the hollow fiber membrane 001 is pulled out from the coagulation bath tube, so that the operation process is saved.
Further, the coagulation bath further includes a ribbon wheel 500, and the ribbon wheel 500 is rotatably connected to the coagulation bath tube for supporting the guide wire 400.
The band wire wheel 500 is rotatably connected inside the bending type coagulation bath tube 120, one band wire wheel 500 is coaxially arranged at each of two ends of the wire pressing wheel 300 arranged on the 90-degree bending section 121, and one band wire wheel 500 is coaxially arranged at each of two ends of the wire pressing wheel 300 arranged on the 45-degree bending section 122. The diameter of the band wire wheel 500 is larger than that of the wire pressing wheel 300, and the outer circumferential surface of the band wire wheel 500 is provided with a positioning groove which extends along the circumferential direction of the band wire wheel 500.
The guide wire 400 passing through the bent coagulation bath tube 120 is positioned below the band wire wheel 500 and contacts with the band wire wheel 500, and the positioning groove limits the guide wire 400 along the axial direction of the band wire wheel 500 to prevent the guide wire 400 from moving along the axial direction of the band wire wheel 500; the two tape guide pulleys 500 support the guide wire 400 at the bending position, and prevent the guide wire 400 from contacting the bending position to influence the movement of the guide wire 400.
When the guide wire 400 has a ring shape, as shown in fig. 1, the ribbon wheel 500 is also provided at both the inlet end of the hollow fiber membrane 001 and the outlet end of the middle fiber membrane. The guide wire 400 is supported by the pulley 500 located outside the coagulation bath in cooperation with the pulley 500 located inside the coagulation bath.
Further, the coagulation bath further includes a guide wire positioning means 600, and the guide wire positioning means 600 is provided between the two guide wires 400 arranged in parallel.
As shown in fig. 3, two guide wires 400 are respectively engaged with the corresponding band pulley 500, and both ends of the guide wire positioning device 600 are respectively connected with the two guide wires 400. The guide line positioning device 600 is provided with an arc-shaped groove, the position of the arc-shaped groove corresponds to the position of the limiting groove on the wire pressing wheel 300, the guide line 400 drives the nascent hollow fiber membrane 001 and the guide line positioning device 600 to move, and the arc-shaped groove guides the nascent hollow fiber membrane 001 to the limiting groove of the wire pressing wheel 300.
Further, the coagulation bath tank also comprises a heat exchange device 700 and a delivery pump 800, wherein the heat exchange device 700 and the delivery pump 800 are both arranged outside the coagulation bath pipe; the conveying pump 800 is communicated with the coagulation bath tube through a conveying pipeline 810, one end of the conveying pipeline 810 is communicated with the wire inlet end of the coagulation bath tube, the other end of the conveying pipeline 810 is communicated with the wire outlet end of the coagulation bath tube, the heat exchange device 700 is arranged on the conveying pipeline 810, and the heat exchange device 700 can be a heating device or a cooling device.
As shown in FIG. 1, the transfer line 810 is located between two linear coagulation bath tubes 110 and is arranged in the horizontal direction. A control valve 820 is provided on the delivery line 810 for controlling the flow rate of the coagulation bath in the delivery line 810.
In the process of curing the hollow fiber membrane 001, the conveying pump 800 enables the coagulation bath to circularly flow in the conveying pipeline 810 and the coagulation bath, and the flowing direction of the coagulation bath in the coagulation bath is opposite to the moving direction of the hollow fiber membrane 001, so that the expansion efficiency of the hollow fiber membrane 001 during curing is enhanced, the hollow fiber membrane 001 is cured in a shorter physical space, the curing time is shortened, the water consumption of the coagulation bath is saved, and the energy consumption during heat preservation is saved. In addition, the heat exchange device 700 and the delivery pump 800 arranged outside the coagulation bath tube can quickly and effectively balance the temperature field and the concentration field of the coagulation bath in the coagulation bath tube, and the film forming uniformity is ensured, and meanwhile, the solidification efficiency of the feed liquid is improved.
Furthermore, an insulating layer is arranged outside the coagulation bath tube.
The heat-insulating layer is wrapped outside the coagulation bath tube, so that the heat dissipation capacity of the coagulation bath is reduced, and the energy is further saved.
Furthermore, the cross section of the coagulation bath tube is round or square.
The coagulation bath tube may be a standard CPVC (chlorinated polyvinyl chloride resin, abbreviated as "chlorinated polyvinyl chloride") tube or a FRP tube, and may be assembled into a coagulation bath by connecting them at the site via a flange joint 130. The coagulation bath tube is made of the pipe material, the corrosion resistance is superior to that of stainless steel, special manufacturing processes such as welding and the like and an integral transportation process are not needed, and the coagulation bath tube is beneficial to saving the manufacturing cost and meeting the requirement of environmental protection.
The embodiment of the utility model provides a second aspect provides a hollow fiber membrane production system, including foretell coagulation bath.
The embodiment of the utility model provides a hollow fiber membrane production system still includes spinneret 900, and the top in the coagulating bath groove is located to spinneret 900's discharge gate sets up with hollow fiber membrane 001's access end relatively. The spinning feed liquid passes through a spinneret 900 to form a hollow fiber membrane 001, then enters a solidification bath groove to finish the solidification film forming process, and the solidified hollow fiber membrane 001 exits the solidification bath groove, is wound to collect the filaments and then enters the subsequent treatment process.
The embodiment of the utility model provides a coagulating bath groove and hollow fiber membrane 001 production system, coagulating bath groove includes: the multi-section coagulation bath tube is connected with the godet wheel 200 in sequence, the godet wheel 200 is arranged on the coagulation bath tube. The multiple sections of coagulation bath pipes are sequentially connected to form a tubular coagulation bath, and the godet 200 is arranged on the coagulation bath pipe and plays a role in guiding the hollow fiber membrane 001. The hollow fiber membrane 001 enters from one end of the coagulating bath groove and extends out from the other end of the coagulating bath groove, and the coagulating bath in the coagulating bath groove is only contacted with the outside at the inlet end and the outlet end of the hollow fiber membrane 001, so that the heat dissipation area is reduced, and the function of saving energy is achieved; in addition, the multiple sections of coagulation bath pipes are convenient to transport and can be installed on site, and the manufacturing cost of the coagulation bath tank is reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A coagulation bath, characterized by comprising: the multi-section coagulating bath pipe comprises a plurality of sections of coagulating bath pipes and a godet wheel (200), wherein the coagulating bath pipes are sequentially connected and mutually communicated, and the godet wheel (200) is arranged on the coagulating bath pipes.
2. The coagulation bath according to claim 1, wherein the multiple sections of coagulation bath pipes comprise a straight coagulation bath pipe (110) and a bent coagulation bath pipe (120), and the straight coagulation bath pipe (110) is connected to both ends of the bent coagulation bath pipe (120).
3. The coagulation bath according to claim 2, further comprising a wire pressing wheel (300), wherein the wire pressing wheel (300) is arranged at the bending part of the bending type coagulation bath tube (120).
4. The coagulation bath according to claim 2, further comprising a guide line (400), the guide line (400) being provided along an extending direction of the coagulation bath tube and protruding from an inside of the coagulation bath tube.
5. The coagulation bath according to claim 4, further comprising a pulley (500), the pulley (500) being rotatably connected to the coagulation bath tube for supporting the guide wire (400).
6. Coagulation bath according to claim 5, characterized in that it further comprises a guide wire positioning device (600), said guide wire positioning device (600) being provided between two parallel arranged guide wires (400).
7. The coagulation bath according to any one of claims 1 to 6, further comprising a heat exchange device (700) and a transfer pump (800), wherein the heat exchange device (700) and the transfer pump (800) are both provided outside the coagulation bath tube;
the conveying pump (800) is communicated with the coagulation bath pipe through a conveying pipeline (810), one end of the conveying pipeline (810) is communicated with the wire inlet end of the coagulation bath pipe, the other end of the conveying pipeline (810) is communicated with the wire outlet end of the coagulation bath pipe, and the heat exchange device (700) is arranged on the conveying pipeline (810).
8. The coagulation bath according to claim 1, wherein an insulating layer is provided on the outside of the coagulation bath tube.
9. The coagulation bath according to claim 1, wherein the coagulation bath tube has a circular or square cross section.
10. A hollow fiber membrane production system characterized by comprising the coagulation bath according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020378616.3U CN211897186U (en) | 2020-03-23 | 2020-03-23 | Coagulating bath and hollow fiber membrane production system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020378616.3U CN211897186U (en) | 2020-03-23 | 2020-03-23 | Coagulating bath and hollow fiber membrane production system |
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| CN211897186U true CN211897186U (en) | 2020-11-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112708953A (en) * | 2020-12-22 | 2021-04-27 | 中国纺织科学研究院有限公司 | Spinning coagulating bath device |
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2020
- 2020-03-23 CN CN202020378616.3U patent/CN211897186U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112708953A (en) * | 2020-12-22 | 2021-04-27 | 中国纺织科学研究院有限公司 | Spinning coagulating bath device |
| CN112708953B (en) * | 2020-12-22 | 2022-06-24 | 中国纺织科学研究院有限公司 | Spinning coagulating bath device |
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