CN220665523U - Porous hollow fiber membrane spinneret - Google Patents
Porous hollow fiber membrane spinneret Download PDFInfo
- Publication number
- CN220665523U CN220665523U CN202322167054.4U CN202322167054U CN220665523U CN 220665523 U CN220665523 U CN 220665523U CN 202322167054 U CN202322167054 U CN 202322167054U CN 220665523 U CN220665523 U CN 220665523U
- Authority
- CN
- China
- Prior art keywords
- spray head
- spinneret
- cavity
- base
- hollow fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000012528 membrane Substances 0.000 title claims abstract description 25
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 19
- 239000007921 spray Substances 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000009987 spinning Methods 0.000 claims abstract description 11
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005371 permeation separation Methods 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
The utility model relates to the technical field of membrane separation, in particular to a porous hollow fiber membrane spinneret, which comprises a spinneret upper base and a spinneret lower base, wherein the upper side of the spinneret lower base is provided with the spinneret upper base. The utility model adopts the upper and lower split structure design, is convenient to assemble and disassemble the upper base and the lower base of the spray nozzle, is convenient to clean the inside of the spinneret, can independently disassemble the forming spray nozzle, is convenient to take down the forming spray nozzle for cleaning and replacement, has uniform stress when the core liquid is sprayed out, has good uniformity of forming film wires, and improves the spinning quality.
Description
Technical Field
The utility model relates to the technical field of membrane separation, in particular to a porous hollow fiber membrane spinneret.
Background
Hollow fiber membranes are membranes that are fibrous in shape and have a self-supporting function. The hollow fiber membrane is a fiber yarn which is processed into a hollow inner cavity by taking polysulfone as a raw material and then divided by a high-permeability polymer, and has the characteristic of selective permeation. The fast permeation and slow permeation separation is achieved due to the fast permeation of water vapor, hydrogen, ammonia and carbon dioxide and the slow permeation of methane, nitrogen, argon, oxygen and carbon monoxide. The outer diameter of the hollow fiber yarn is generally 500-600 pum, the inner diameter is 200-300 pum, a fiber bundle made of 3-6 m is put into a high pressure resistant metal shell, one end of the fiber bundle is sealed, and the other end of the fiber bundle is bonded together by epoxy resin with a special formula.
At present, porous hollow fiber membranes are widely used in the fields of separation, filtration, membrane reaction and the like, and in the process of manufacturing porous hollow fiber membranes, raw materials in a molten state need to be ejected through a spinneret to form membrane filaments. However, in the use process of the existing spinneret, the stress of raw materials in the spinneret is not uniform enough, so that uniformity of sprayed film filaments is not uniform enough, film forming quality is affected, and the spinneret is inconvenient to detach and clean in the spinneret.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a porous hollow fiber membrane spinneret so as to solve the problems that in the prior spinneret in the prior art, the internal raw materials are not stressed uniformly enough, so that the uniformity of sprayed membrane filaments is not uniform enough, the film forming quality is affected, the disassembly is inconvenient, and the inside of the spinneret is inconvenient to clean.
In order to achieve the above object, the present utility model is realized by the following technical scheme: the porous hollow fiber membrane spinneret comprises a spinneret upper base and a nozzle lower base, wherein the upper side of the nozzle lower base is provided with the nozzle upper base;
the upper side of the upper base of the spray head is fixedly provided with a core liquid injection joint for injecting liquid, the lower side of the upper base of the spray head is provided with a first boss, the lower side of the first boss is provided with a second boss, and a first cavity is formed in the upper base of the spray head;
the second cavity is formed in the lower base of the spray head, a plurality of groups of embedded sink grooves are uniformly formed in the bottom surface of the lower base of the spray head, forming spray heads are detachably assembled in the embedded sink grooves, a core liquid flow passage is formed in the bottom of the second cavity, and the core liquid flow passage is used for communicating the second cavity with the embedded sink grooves.
Further, hidden grooves are formed in the left side and the right side of the annular surface of the upper base of the spray head, rotatable adjusting handles are arranged in the hidden grooves, and the adjusting handles are rotationally connected with the upper base of the spray head through rotating connecting pieces.
Further, the second cavity is of a step-shaped structure, and a sealing gasket is arranged at the step-shaped structure inside the second cavity.
Further, the inner wall of the second cavity is provided with an internal thread, the annular surface of a first boss on the base on the spray head is provided with an external thread, and the first boss is connected with the second cavity through screw thread screwing.
Further, the shaping shower nozzle includes connector, shower nozzle body, hexagonal countersink and spouts the silk shaping hole, the shower nozzle body upside has set firmly the connector, the connector anchor ring is offered the screw thread and is closed fixed connection soon through screw thread and inlaying the countersink, the hexagonal countersink has been seted up to the terminal surface inside under the shower nozzle body, the connector has run through with the shower nozzle body is inside to be offered and spouts the silk shaping hole.
Further, a flaring groove is formed in the bottom of the hexagonal countersink, and the diameter of the flaring groove is larger than that of the spinning forming hole and smaller than the inner diameter of the hexagonal countersink.
By adopting the technical scheme, the utility model has the beneficial effects that:
the utility model adopts the upper and lower split structure design, is convenient to assemble and disassemble the upper base and the lower base of the spray nozzle, is convenient to clean the inside of the spinneret, can independently disassemble the forming spray nozzle, is convenient to take down the forming spray nozzle for cleaning and replacement, has uniform stress when the core liquid is sprayed out, has good uniformity of forming film wires, and improves the spinning quality.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of an exploded construction of the present utility model;
FIG. 3 is a schematic view of the upper base of the shower head according to the present utility model;
FIG. 4 is a schematic view of another angular configuration of the upper base of the shower head according to the present utility model;
FIG. 5 is a schematic view of the lower base of the shower head according to the present utility model;
FIG. 6 is a cross-sectional view of the lower base of the shower head of the present utility model;
FIG. 7 is a schematic view of a structure of a forming head according to the present utility model;
fig. 8 is a cross-sectional view of a molded spray head according to the present utility model.
In the figure: the spray head comprises a 1-spray head upper base, a 11-core liquid injection joint, a 12-hidden groove, a 13-adjusting handle, a 14-first boss, a 15-second boss, a 16-first cavity, a 2-spray head lower base, a 21-second cavity, a 211-sealing gasket, a 22-core liquid runner, a 23-embedded sink groove, a 24-forming spray head, a 241-connector, a 242-spray head body, a 243-hexagonal sink groove, a 244-spray wire forming hole and a 245-flaring groove.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Referring to fig. 1-8, the present utility model provides a technical solution: a porous hollow fiber membrane spinneret comprises a spinneret upper base 1 and a spinneret lower base 2, wherein the upper side of the spinneret lower base 2 is provided with the spinneret upper base 1;
the upper side of the upper base 1 of the spray head is fixedly provided with a core liquid injection joint 11 for injecting liquid, the lower side of the upper base 1 of the spray head is provided with a first boss 14, the lower side of the first boss 14 is provided with a second boss 15, and a first cavity 16 is formed in the upper base 1 of the spray head;
the second cavity 21 has been seted up to the inside base 2 under the shower nozzle, the inside multiunit inlays of inlaying of base 2 bottom surface has evenly been seted up of shower nozzle lower base 2, every group inlays and inlays the inside equal detachably of heavy groove 23 and be equipped with shaping shower nozzle 24, core liquid runner 22 has been seted up to the second cavity 21 bottom, core liquid runner 22 communicates second cavity 21 with inlaying heavy groove 23, this design has solved current spinneret in the use, inside raw materials atress is not even enough, lead to spouting the membrane silk degree of consistency inconsistent, influence film forming quality, and inconvenient dismantlement, inconvenient problem to the spinneret clear up inside.
Hidden groove 12 has all been seted up to the inside base 1 anchor ring left and right sides on the shower nozzle, and hidden groove 12 is inside to be provided with rotationally adjusting handle 13, and adjusting handle 13 is connected through rotating the connecting piece and the base 1 is rotated on the shower nozzle, and this design can rotate it when base 1 is installed on the shower nozzle through the handle that sets up, and convenient application of force has improved the installation convenience to base 1 on the shower nozzle.
The second cavity 21 is of a step-shaped structure, a sealing gasket 211 is arranged at the step-shaped structure inside the second cavity 21, and the sealing of the joint of the upper base 1 of the spray head and the lower base 2 of the spray head can be ensured through the arranged sealing gasket 211, so that the sealing performance of the joint is improved.
The internal thread has been seted up to second cavity 21 inner wall, and the external screw thread has been seted up to first boss 14 anchor ring on the base 1 on the shower nozzle, and first boss 14 closes with the second cavity 21 through the screw thread and is connected, and this design makes base 1 and shower nozzle lower base 2 form threaded connection on the shower nozzle, and this kind of connected mode can realize fastening and loosen through rotatory two parts, conveniently installs base 1 and shower nozzle lower base 2 on the shower nozzle.
The forming spray head 24 comprises a connector 241, a spray head body 242, a hexagonal countersink 243 and a spinning forming hole 244, wherein the connector 241 is fixedly arranged on the upper side of the spray head body 242, the annular surface of the connector 241 is provided with threads and is fixedly connected with the embedded countersink 23 in a screwing way through the threads so as to ensure the connection tightness, the hexagonal countersink 243 is arranged in the lower end surface of the spray head body 242, the forming spray head 24 can be assembled and disassembled by matching an external tool through the arranged hexagonal countersink 243, the spinning forming hole 244 is formed by penetrating the connector 241 and the spray head body 242, and the spinning forming hole 244 is used for spraying materials to form spinning.
The flaring groove 245 is formed in the bottom of the hexagonal countersink 243, the diameter of the flaring groove 245 is larger than that of the spinneret forming hole 244 and smaller than the inner diameter of the hexagonal countersink 243, and the outlet area of the spinneret forming hole 244 can be increased through the arranged flaring groove 245, so that the flow rate and the injection effect of the injected materials can be controlled better.
As an embodiment of the present utility model: when in actual use, the core liquid injection joint 11 is connected with external hollow fiber membrane forming equipment, the core liquid is injected and conveyed into the first cavity 16 and the second cavity 21 through the core liquid injection joint, then the core liquid flows into the forming spray head 24 through the core liquid channel 22 and is sprayed out through the spinning forming holes 244 to form the film yarn.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a porous hollow fiber membrane spinneret, includes base (2) under shower nozzle on shower nozzle base (1), its characterized in that: the upper side of the lower base (2) of the spray head is provided with an upper base (1) of the spray head;
the upper side of the upper base (1) of the spray head is fixedly provided with a core liquid injection joint (11) for injecting liquid, the lower side of the upper base (1) of the spray head is provided with a first boss (14), the lower side of the first boss (14) is provided with a second boss (15), and a first cavity (16) is formed in the upper base (1) of the spray head;
the novel shower nozzle is characterized in that a second cavity (21) is formed in the shower nozzle lower base (2), a plurality of groups of embedded sink grooves (23) are uniformly formed in the bottom surface of the shower nozzle lower base (2), forming shower nozzles (24) are detachably assembled in each group of embedded sink grooves (23), a core liquid runner (22) is formed in the bottom of the second cavity (21), and the core liquid runner (22) is used for communicating the second cavity (21) with the embedded sink grooves (23).
2. The porous hollow fiber membrane spinneret of claim 1, wherein: hidden grooves (12) are formed in the left side and the right side of the annular surface of the upper base (1) of the spray head, rotatable adjusting handles (13) are arranged in the hidden grooves (12), and the adjusting handles (13) are rotationally connected with the upper base (1) of the spray head through rotating connecting pieces.
3. The porous hollow fiber membrane spinneret of claim 1, wherein: the second cavity (21) is of a step-shaped structure, and a sealing gasket (211) is arranged at the step-shaped structure inside the second cavity (21).
4. The porous hollow fiber membrane spinneret of claim 1, wherein: the inner wall of the second cavity (21) is provided with an internal thread, the annular surface of a first boss (14) on the upper base (1) of the spray head is provided with an external thread, and the first boss (14) is connected with the second cavity (21) through screw threads in a screwing mode.
5. The porous hollow fiber membrane spinneret of claim 1, wherein: the forming spray head (24) comprises a connector (241), a spray head body (242), a hexagonal countersink (243) and a spinning forming hole (244), wherein the connector (241) is fixedly arranged on the upper side of the spray head body (242), the annular surface of the connector (241) is provided with threads and is fixedly connected with the embedded countersink (23) in a screwing mode through the threads, the hexagonal countersink (243) is formed in the lower end face of the spray head body (242), and the spinning forming hole (244) is formed in the connector (241) and the spray head body (242) in a penetrating mode.
6. The porous hollow fiber membrane spinneret of claim 5, wherein: the bottom of the hexagonal countersink (243) is provided with a flaring groove (245), and the diameter of the flaring groove (245) is larger than that of the spinning forming hole (244) and smaller than the inner diameter of the hexagonal countersink (243).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322167054.4U CN220665523U (en) | 2023-08-14 | 2023-08-14 | Porous hollow fiber membrane spinneret |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322167054.4U CN220665523U (en) | 2023-08-14 | 2023-08-14 | Porous hollow fiber membrane spinneret |
Publications (1)
Publication Number | Publication Date |
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CN220665523U true CN220665523U (en) | 2024-03-26 |
Family
ID=90353989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322167054.4U Active CN220665523U (en) | 2023-08-14 | 2023-08-14 | Porous hollow fiber membrane spinneret |
Country Status (1)
Country | Link |
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CN (1) | CN220665523U (en) |
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2023
- 2023-08-14 CN CN202322167054.4U patent/CN220665523U/en active Active
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