CN108823657B - Multi-station spinneret plate - Google Patents
Multi-station spinneret plate Download PDFInfo
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- CN108823657B CN108823657B CN201810965038.0A CN201810965038A CN108823657B CN 108823657 B CN108823657 B CN 108823657B CN 201810965038 A CN201810965038 A CN 201810965038A CN 108823657 B CN108823657 B CN 108823657B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
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- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a multi-station spinneret plate, which comprises a feed plate, a first material distribution plate and a second material distribution plate, wherein a core liquid feed port and a feed liquid feed port are formed in the feed plate, a core liquid distribution channel and a feed liquid transition channel are formed in the first material distribution plate, a feed liquid distribution channel is formed in the second material distribution plate, the feed liquid distribution channel is connected with the feed liquid feed port through the feed liquid transition channel, the core liquid distribution channel is connected with the core liquid feed port, the feed liquid distribution channel is provided with a plurality of feed liquid discharge ports, the feed liquid discharge ports are uniformly distributed, the core liquid distribution channel is provided with a plurality of core liquid discharge ports, a needle tube is arranged at each core liquid discharge port, the needle tube is integrally connected with the first material distribution plate, the wall thickness of the needle tube is uniform, and the needle tube penetrates through the feed liquid discharge port and is coaxial with the feed liquid discharge port. The invention provides a multi-station spinneret plate which improves the production efficiency of hollow membranes and reduces the manufacturing cost under the condition of ensuring the consistency and the accuracy of the wall thickness of the hollow membranes.
Description
Technical Field
The invention relates to the field of hollow membrane forming, in particular to a multi-station spinneret plate.
Background
The process of making the wall thickness of the hollow membrane uniform in the hollow membrane forming process is always a difficult problem of preventing the expansion of the application range of the hollow membrane, especially in the application of functional materials such as fiber membranes, hemodialysis membranes, reverse osmosis membranes, microfiltration membranes, nanofiltration membranes, ultrafiltration membranes and the like, the difference of the wall thickness of the materials determines the difference of the effects, so that the requirement of the wall thickness is very high.
If the wall thicknesses of different sections in one hollow membrane are different, the hollow membrane can have a filtering effect in one section, but cannot have an effect in the other section, or if the wall thicknesses of different sides of the same section of the hollow membrane are not good, an excessively thick side is often caused, the medium to be passed is prevented from achieving the filtering effect, and the medium to be filtered on the excessively thin side also passes through the hollow membrane and cannot achieve the corresponding filtering effect.
Therefore, in order to ensure the consistency and the accuracy of the wall thickness of the hollow membranes in the production process of some hollow membranes, only a single spinneret is adopted for producing and manufacturing the hollow membranes, so that the manufacturing efficiency is low, and the manufacturing cost of the hollow membranes is high.
In the production process, each split process on one channel is defined as a different stage, namely, a first split channel is called a first-stage split branch, a split process is performed again after the first-stage split branch is passed, and a split channel is called a second-stage split branch, and so on.
Disclosure of Invention
The invention aims to solve the technical problems, overcome the defects of the prior art, and provide the multi-station spinneret plate which can improve the production efficiency of the hollow membrane and reduce the manufacturing cost under the condition of ensuring the consistency and the accuracy of the wall thickness of the hollow membrane.
According to the technical scheme, the multi-station spinneret plate comprises a feeding plate, a first material distribution plate and a second material distribution plate, wherein the feeding plate is arranged at the upper end of the first material distribution plate, the second material distribution plate is arranged at the lower end of the first material distribution plate, a core liquid feeding port and a liquid feeding port are arranged on the feeding plate, a core liquid distribution channel and a liquid transition channel are arranged on one side, close to the feeding plate, of the first material distribution plate, a liquid distribution channel is arranged on one side, close to the first material distribution plate, of the second material distribution plate, the liquid distribution channel is connected with the liquid feeding port through the liquid transition channel, the core liquid distribution channel is connected with the core liquid feeding port, the liquid distribution channel is provided with a plurality of liquid discharging ports, the liquid discharging ports are uniformly distributed, a needle tube is arranged at each core liquid discharging port, the needle tube is integrally connected with the first material distribution plate, the needle tube has uniform wall thickness, and the needle tube passes through the liquid discharging port and is coaxial with a liquid needle tube.
The beneficial effects of the invention are as follows: through the design of a plurality of feed liquid discharge gates, can make once only make many hollow membranes, improved the production efficiency of hollow membrane, reduced manufacturing cost, simultaneously through the needle tubing with first divide the material right the integral type be connected, can guarantee the intensity of needle tubing, be difficult for the deformation, be difficult for the decentration, stability is strong, has guaranteed the uniformity and the accuracy that many hollow membranes formed, the effectual quality that has guaranteed the hollow membrane.
According to the invention, the isolation groove is arranged between the feed liquid transition channel and the core liquid distribution channel, the isolation groove surrounds the feed liquid transition channel, and the isolation sealing ring is arranged in the isolation groove, so that the feed liquid and the core liquid can be prevented from contacting in the flowing process by the improvement, the shaping of the feed liquid due to the fact that the feed liquid is contacted with the core liquid in advance is effectively avoided, the feed liquid is blocked in the first distribution plate or the second distribution plate, the production and the manufacture of the hollow membrane are affected, the hollow membrane cannot be normally produced, the problem of forming the hollow membrane can be caused, the quality cannot be ensured, the cross section area of the first distribution plate and the second distribution plate can be reduced, the manufacturing material is reduced, the manufacturing cost is saved, the occupied space is reduced, the spinneret is easier to install, the pressure requirement for the feed liquid and the core liquid to flow is reduced, the energy consumption is reduced, or the number of stations is increased.
As an improvement of the invention, a first sealing groove is arranged on one side of the first material distributing plate, which is close to the feeding plate, the first sealing groove surrounds the core liquid distributing channel, a first sealing ring is arranged in the first sealing groove, through the improvement, the leakage of core liquid from a connecting gap between the first material distributing plate and the feeding plate can be avoided, if the core liquid leaks from the gap between the first material distributing plate and the feeding plate, the waste of the core liquid can be caused, the uneven pressure supply of the core liquid can be caused, the non-uniform core liquid speed discharged by the discharging hole of the core liquid at last part can be caused, the inconsistent specification of the hollow film can be caused, even the hollow film of waste can be caused, and the design of the first sealing groove and the first sealing ring can effectively avoid the problem, so that the yield of the hollow film is greatly improved.
As an improvement of the invention, a second sealing groove is arranged on one side of the second material distribution plate, which is close to the first material distribution plate, the second sealing groove surrounds the material liquid distribution channel, a second sealing ring is arranged in the second sealing groove, through the improvement, the leakage of material liquid from a connecting gap between the second material distribution plate and the first material distribution plate can be avoided, if the material liquid leaks from the gap between the second material distribution plate and the first material distribution plate, the waste of the material liquid can be caused, the uneven supply pressure of the material liquid can be caused, the material liquid rate discharged from the material liquid discharge hole of the last part is not uniform, the specification of the hollow film is inconsistent, even the hollow film of waste products can be caused, and the design of the second sealing groove and the second sealing ring can effectively avoid the problem, so that the yield of the hollow film is greatly improved.
As an improvement of the invention, the feed liquid transition channel comprises a first buffer cavity and a connecting channel, one end of the connecting channel is connected with the first buffer cavity, the other end of the connecting channel is connected with the feed liquid distribution channel, the first buffer cavity is also connected with the feed liquid feeding port, through the improvement, the flow velocity of feed liquid is stabilized through the first buffer cavity, the flow phenomenon of fault of feed liquid in the subsequent flow process is avoided, the condition of fracture in the production process of hollow membranes can be avoided, the hollow membranes produced at one time are ensured to have integration, and the collection and the preservation are easier.
According to the invention, the feed liquid distribution channel comprises a second buffer cavity, the second buffer cavity is arranged at the joint of the feed liquid transition channel and the feed liquid distribution channel, through the improvement, feed liquid can be concentrated into the second buffer cavity first and then flows into the feed liquid distribution channel from the second buffer cavity, the quantity of the feed liquid distributed in the feed liquid distribution channel is ensured to be the same, so that the uniformity of specifications during hollow membrane forming is ensured, and the quantity of the feed liquid discharged from each feed liquid discharge port at the same time is uniform through the forced distribution mode, so that the thickness of hollow membranes produced in the same batch is uniform, and the quality is ensured.
As an improvement of the invention, the feed liquid distribution channel further comprises a plurality of feed liquid distribution branches, the feed liquid distribution branches are symmetrically distributed between the feed liquid transition channel and the feed liquid discharge port, each feed liquid distribution branch is provided with a feed liquid inlet and two feed liquid outlets, the two feed liquid outlets are symmetrically distributed about the axis of the feed liquid inlet, the feed liquid inlet is connected with the feed liquid transition channel or with the feed liquid outlet of the other feed liquid distribution branch, the two feed liquid outlets are connected with the feed liquid discharge port or with the feed liquid inlet of the other feed liquid distribution branch, the structure of the two feed liquid outlets on one feed liquid distribution branch is the same, through the improvement, the symmetry and uniform distribution of the feed liquid discharge port are ensured, the pressure of each feed liquid discharge port is the same, the wall thickness specification of the hollow membrane is the same in the production process of the hollow membrane, the invention also does not need to be disassembled when the feed liquid distribution channel is cleaned or replaced, the invention also needs to be completely cleaned, the pressure of the invention is not completely increased, and the invention has the great advantages of completely cleaning the feed liquid can be completely cleaned, and the three-dimensional structures are not needed to be completely cleaned.
As an improvement of the invention, a third buffer cavity and two separation channels are arranged between a feed liquid outlet connected with a feed liquid outlet and the feed liquid outlet, the two separation channels are symmetrically distributed about the axis of the feed liquid outlet, one end of each separation channel is connected with the feed liquid outlet, the other end of each separation channel is connected with the third buffer cavity, the third buffer cavity is connected with the feed liquid outlet, and the symmetry axis of the third buffer cavity is collinear with the axis of the feed liquid outlet.
As an improvement of the invention, the core liquid material distribution channel further comprises a plurality of core liquid material distribution branches, the core liquid material distribution branches are arranged between the core liquid material inlet and the core liquid material outlet, each core liquid material distribution branch is provided with a core liquid inlet and two core liquid outlets, the two core liquid outlets are symmetrically distributed about the axis of the core liquid inlet, the core liquid inlet is connected with the core liquid material inlet or with the core liquid outlet of the other core liquid material distribution branch, the two core liquid outlets are connected with the core liquid material outlet or with the core liquid inlet of the other core liquid material distribution branch, and the two material liquid outlets on one core liquid material distribution branch are connected with the same structure.
As an improvement of the invention, the core liquid material distributing channel comprises a fourth buffer cavity, the fourth buffer cavity is arranged at the joint of the core material feeding port and the core liquid material distributing channel, the core liquid can be concentrated into the fourth buffer cavity first and then flows into the core liquid material distributing channel from the fourth buffer cavity, the quantity of the core liquid material distributed in the core liquid material distributing channel is ensured to be the same, the uniformity of the specification during the hollow membrane forming is ensured, the quantity of the core liquid discharged from each material liquid discharging port at the same time is uniform by the forced distribution mode, the inner diameter of the hollow membranes produced in the same batch is uniform, and the quality is ensured
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded schematic view of the overall structure of the present invention.
Fig. 2 is a schematic top view of the first distributing plate of the present invention.
FIG. 3 is a schematic diagram of the core liquid branching channel structure of the present invention.
FIG. 4 is a schematic view of another view of the first divider plate of the present invention.
Fig. 5 is a schematic top view of a second distributing plate according to the present invention.
FIG. 6 is a schematic diagram of a feed liquid branching path structure according to the present invention.
FIG. 7 is a schematic diagram of the assembly structure of the core liquid discharge port and the liquid discharge port of the invention.
Wherein, the reference numerals are as follows: 1. the feed plate, 1.1, core liquid feed inlet, 1.2, feed liquid feed inlet, 2, first division plate, 2.1, core liquid feed channel, 2.1.1, core liquid discharge outlet, 2.1.2, needle tubing, 2.1.3, core liquid feed branch channel, 2.1.3.1, core liquid inlet, 2.1.3.2, core liquid outlet, 2.2, feed liquid transition channel, 2.2.1, first buffer chamber, 2.2.2, connecting channel, 2.3, isolation groove, 2.4, first seal groove, 2.5, fourth buffer chamber, 3, second division plate, 3.1, feed liquid feed channel, 3.1.1, feed liquid discharge outlet, 3.1.2, second buffer chamber, 3.1.3, feed liquid branch channel, 3.1.3.1, feed liquid inlet, 3.1.3.2, feed liquid outlet, 3.2, second buffer chamber, 3.3.3, third buffer chamber, 3.4, first seal groove, 2.5, fourth buffer chamber, 3, second seal groove, 3.1.3, 3, 3.3, 3, 4 seal groove, seal ring.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
As shown in fig. 1, the working principle of the invention is as follows: including charge plate 1, first feed plate 2 and second feed plate 3, the upper end of first feed plate 2 is located to charge plate 1, and the lower extreme of first feed plate 2 is located to second feed plate 3, be equipped with core liquid feed inlet 1.1 and feed liquid feed inlet 1.2 on the charge plate 1, one side that is close to charge plate 1 on the first feed plate 2 is equipped with core liquid feed distribution passageway 2.1 and feed liquid transition passageway 2.2, one side that is close to first feed plate 2 on the second feed plate 3 is equipped with feed liquid feed distribution passageway 3.1, feed liquid feed distribution passageway 3.1 is connected with feed liquid feed inlet 1.2 through feed liquid transition passageway 2.2, core liquid feed distribution passageway 2.1 is connected with core liquid feed inlet 1.1, feed liquid feed outlet 3.1 is equipped with 16 feed liquid discharge inlets 3.1.1, 16 feed liquid discharge outlets 3.1.1 evenly distributed, core liquid feed distribution passageway 2.1 is equipped with 16 core liquid feed outlet 2.1.1 and feed liquid 1.1, every feed liquid 1.1 and feed liquid 1.1 needle tubing 1.1, 1.2.1 and 1 needle tubing 1.2, 1.1 and 2.1.
As shown in fig. 2-4, an isolation groove 2.3 is arranged between the feed liquid transition channel 2.2 and the core liquid distribution channel 2.1, the isolation groove 2.3 surrounds the feed liquid transition channel 2.2, an isolation sealing ring 4 is arranged in the isolation groove 2.3, a first sealing groove 2.4 is arranged at one side of the first distribution plate 2 close to the feed plate 1, the first sealing groove 2.4 surrounds the core liquid distribution channel 2.1, a first sealing ring 5 is arranged in the first sealing groove 2.4, the feed liquid transition channel 2.2 comprises a first buffer cavity 2.2.1 and a connecting channel 2.2.2, one end of the connecting channel 2.2.2 is connected with the first buffer cavity 2.2.1, the other end of the connecting channel 2.2.2 is connected with the feed liquid distribution channel 3.1, the first buffer cavity 2.1 is also connected with the feed liquid feed inlet 1.2, the core liquid distribution channel 2.1 also comprises 14 core liquid distribution channels 2.1, the core liquid distribution channel 2.3.1 and the feed liquid 1.1 are arranged between the core liquid distribution channel 1.1, each core liquid branch 2.1.3 is provided with a core liquid inlet 2.1.3.1 and two core liquid outlets 2.1.3.2, the two core liquid outlets 2.1.3.2 are symmetrically distributed about the axis of the core liquid inlet 2.1.3.1, the core liquid inlet 2.1.3.1 is connected with a core liquid feed inlet 1.1 or with the core liquid outlet 2.1.3.2 of the other core liquid branch 2.1.3, the two core liquid outlets 2.1.3.2 are connected with a core liquid discharge outlet 2.1.1 or with the core liquid inlet 2.1.3.1 of the other core liquid branch 2.1.3, the two core liquid outlets 3.1.3.2 on one core liquid branch 2.1.3 are connected with the same structure, the core liquid branch 2.1 comprises a fourth buffer cavity 2.5, the fourth buffer cavity 2.5 is arranged at the position of the core liquid inlet 2.1.1.1 to the core liquid branch 2.1, the buffer cavity is connected with the core liquid inlet 2.1.3.2.1 to the core liquid branch 2.1, then sequentially passing through the second-stage core liquid branch channel 2.1.3 and the third-stage core liquid branch channel 2.1.3 to reach the core liquid discharge port 2.1.1.
As shown in fig. 5-6, a second sealing groove 3.2 is arranged on one side of the second material distribution plate 3, which is close to the first material distribution plate 2, the second sealing groove 3.2 surrounds a material liquid distribution channel 3.1, a second sealing ring 6 is arranged in the second sealing groove 3.2, the material liquid distribution channel 3.1 comprises a second buffer cavity 3.1.2, the second buffer cavity 3.1.2 is arranged at the joint of the material liquid transition channel 2.2 and the material liquid distribution channel 3.1, the material liquid distribution channel 3.1 also comprises 14 material liquid distribution branches 3.1.3, 14 material liquid distribution branches 3.1.3 are symmetrically distributed, the material liquid distribution branches 3.1.3 are arranged between the material liquid transition channel 2.2 and the material liquid discharge port 3.1.1, each material liquid distribution branch 3.1.3 is provided with one material liquid inlet 3.1.1 and two material liquid outlets 3.2, the two material liquid outlets 3.1.2 are symmetrically distributed about the axis of the material liquid distribution channel 3.1.1.3.2 or the material liquid distribution channel 3.1.1.1.3 is connected with the material liquid inlet 3.1.1.1, the two material liquid outlets 3.1.3.2 are connected with the material liquid discharging hole 3.1.1 or connected with the material liquid inlet 3.1.3.1 of the other material liquid branch channel 3.1.3, and the two material liquid outlets 3.1.3.2 on one material liquid branch channel 3.1.3 are connected with the same structure, a third buffer cavity 3.3 and two separation channels 3.4 are arranged between the material liquid outlet 3.1.3.2 connected with the material liquid discharging hole 3.1.1 and the material liquid discharging hole 3.1.1, the two separation channels 3.4 are symmetrically distributed about the axis of the material liquid outlet 3.1.3.2, one end of each separation channel 3.4 is connected with the material liquid outlet 3.1.3.2, the other end of each separation channel 3.4 is connected with the third buffer cavity 3.3, the third buffer cavity 3.3 is connected with the material liquid discharging hole 3.1.1, the symmetrical shaft of the third buffer cavity 3.3 is connected with the material liquid outlet 3.1.1.1, and the material liquid inlet 3.2 is sequentially connected with the material liquid inlet 1.2.2, and the material liquid inlet 2.2 is sequentially arranged along the axis of the material liquid outlet 3.1.1.2 The connecting channel 2.2.2 enters the second buffer cavity 3.1.2, then the first diversion is carried out, the diverted feed liquid enters the two first-stage feed liquid diversion branch channels 3.1.3, and then sequentially passes through the second-stage feed liquid diversion branch channel 3.1.3, the third-stage feed liquid diversion branch channel 3.1.3 and the separation channel 3.4 to reach the feed liquid discharge port 3.1.1.
As shown in fig. 7, after the installation is completed, the needle tube 2.1.2 passes through the feed liquid discharge port 3.1.1, and through the effect of the third buffer cavity 3.3, the uniformity of the feed liquid in the discharge process can be ensured, and compared with the traditional spinneret, the needle tube 2.1.2 is more accurately positioned, has higher strength and shorter length.
In the assembly process, in order to ensure the coaxiality of the needle tube 2.1.2 and the feed liquid discharge port 3.1.1, the guide holes 7 are formed in the feeding plate 1, the first material distributing plate 2 and the second material distributing plate 3, and the coaxiality of the needle tube 2.1.2 and the feed liquid discharge port 3.1.1 can be ensured through the guiding effect of the guide rods and the guide holes 7, so that the wall thickness during the hollow membrane forming is more uniform, and the quality of the hollow membrane is ensured.
Meanwhile, in order to reduce the assembly volume, the feeding plate 1 adopts a step hole, the first material distributing plate 2 adopts a through hole, and the second material distributing plate 3 adopts a combined hole installation mode of threaded holes to fixedly connect the three plates.
The inner hole diameter d of the common needle tube 2.1.2 is more than or equal to 0.08mm and less than or equal to 2.02mm, the wall thickness h is more than or equal to 0.08mm and less than or equal to 0.32mm, the machining precision requirement is very high, and meanwhile, machining errors exist between stations due to multi-station machining, so that the requirement on the machining precision is higher, the machining is carried out in a one-time clamping machining mode in the machining process, the error of repeated clamping is avoided, and the precision of the invention is ensured.
Of course, the above-mentioned condition is only the implementation mode of the common hollow membrane specification, and the inner hole diameter and the wall thickness of the needle tube 2.1.2 and the inner diameter of the feed liquid discharge hole 3.1.1 can be adjusted according to the inner diameter requirement and the wall thickness requirement of the hollow membrane.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (10)
1. A multi-station spinneret plate, characterized in that: the feeding plate (1), a first material distributing plate (2) and a second material distributing plate (3) are included, the feeding plate (1) is arranged at the upper end of the first material distributing plate (2), the second material distributing plate (3) is arranged at the lower end of the first material distributing plate (2), a core liquid feeding port (1.1) and a material liquid feeding port (1.2) are arranged on the feeding plate (1), a core liquid distributing channel (2.1) and a material liquid transition channel (2.2) are arranged on one side, close to the feeding plate (1), of the first material distributing plate (2), a material distributing channel (3.1) is arranged on one side, close to the first material distributing plate (2), of the second material distributing plate (3.1) is connected with the material liquid feeding port (1.2) through the material liquid transition channel (2.2), the core liquid distributing channel (2.1) is connected with the core liquid feeding port (1.1), a plurality of material liquid distributing channels (3.1.1) are arranged on one side, close to the first material distributing plate (2.1.2), a plurality of material distributing needle tubes (2.1.1) are arranged on one side, and each material distributing tube (2.1.1) is provided with a material distributing tube (2.1), the needle tube (2.1.2) passes through the feed liquid discharge port (3.1.1) and is coaxial with the feed liquid discharge port (3.1.1).
2. A multi-station spinneret as claimed in claim 1, wherein: an isolation groove (2.3) is arranged between the feed liquid transition channel (2.2) and the core liquid distribution channel (2.1), the isolation groove (2.3) surrounds the feed liquid transition channel (2.2), and an isolation sealing ring (4) is arranged in the isolation groove (2.3).
3. A multi-station spinneret as claimed in claim 1, wherein: one side of the first material distribution plate (2) close to the feeding plate (1) is provided with a first sealing groove (2.4), the first sealing groove (2.4) surrounds the core liquid material distribution channel (2.1), and a first sealing ring (5) is arranged in the first sealing groove (2.4).
4. A multi-station spinneret as claimed in claim 1, wherein: one side of the second material distributing plate (3) close to the first material distributing plate (2) is provided with a second sealing groove (3.2), the second sealing groove (3.2) surrounds the material liquid distributing channel (3.1), and a second sealing ring (6) is arranged in the second sealing groove (3.2).
5. A multi-station spinneret as claimed in claim 1, wherein: the feed liquid transition passageway (2.2) is including first buffer chamber (2.2.1) and connecting channel (2.2.2), connecting channel (2.2.2) one end links to each other with first buffer chamber (2.2.1), the other end and the feed liquid feed divider channel (3.1) of connecting channel (2.2.2) are connected, first buffer chamber (2.2.1) still links to each other with feed liquid feed inlet (1.2).
6. A multi-station spinneret as claimed in claim 1, wherein: the feed liquid divides material passageway (3.1) to include second buffer chamber (3.1.2), second buffer chamber (3.1.2) are located the junction of feed liquid transition passageway (2.2) and feed liquid divides material passageway (3.1).
7. A multi-station spinneret as claimed in claim 1, wherein: the feed liquid divides material passageway (3.1) still includes a plurality of feed liquid divides material branch road (3.1.3), a plurality of feed liquid divides material branch road (3.1.3) symmetric distribution, feed liquid divides material branch road (3.1.3) to locate between feed liquid transition channel (2.2) and feed liquid discharge gate (3.1.1), every feed liquid divides material branch road (3.1.3) to be equipped with one feed liquid import (3.1.3.1) and two feed liquid export (3.1.3.2), two feed liquid export (3.1.3.2) are about the axis symmetric distribution of feed liquid import (3.1.3.1), feed liquid import (3.1.3.1) is connected or is connected with feed liquid export (3.1.3.2) of another feed liquid branch road (3.1.3) with feed liquid export (3.1.2), two feed liquid export (3.1.3.2) are connected with feed liquid import (3.1.3.3.2) of another feed liquid branch road (3.1.3.2).
8. A multi-station spinneret as claimed in claim 7, wherein: a third buffer cavity (3.3) and two separation channels (3.4) are arranged between a feed liquid outlet (3.1.3.2) connected with a feed liquid outlet (3.1.1) and the feed liquid outlet (3.1.1), the two separation channels (3.4) are symmetrically distributed about the axis of the feed liquid outlet (3.1.3.2), one end of each separation channel (3.4) is connected with the feed liquid outlet (3.1.3.2), the other end of each separation channel (3.4) is connected with the corresponding third buffer cavity (3.3), the corresponding third buffer cavity (3.3) is connected with the corresponding feed liquid outlet (3.1.1), and the symmetry axis of the corresponding third buffer cavity (3.3) is in the same line with the axis of the corresponding feed liquid outlet (3.1.1).
9. A multi-station spinneret as claimed in claim 1, wherein: the core liquid branch material passageway (2.1) still includes a plurality of core liquid branch material passageway (2.1.3), core liquid branch material passageway (2.1.3) are located between core liquid feed inlet (1.1) and core liquid discharge gate (2.1.1), every core liquid branch material passageway (2.1.3) are equipped with a core liquid import (2.1.3.1) and two core liquid export (2.1.3.2), two core liquid export (2.1.3.2) are about the axis symmetric distribution of core liquid import (2.1.3.1), core liquid import (2.1.3.1) are connected or are connected with core liquid export (2.1.3.2) of another core liquid branch material passageway (2.1.3) core liquid export (2.1.1.2) with core liquid discharge gate (2.1.1) or two core liquid export (2.1.3.2) are connected with core liquid import (2.1.3.1.3.1) the same core liquid of another core liquid branch material passageway (2.1.3.2).
10. A multi-station spinneret as claimed in claim 1, wherein: the core liquid material distributing channel (2.1) comprises a fourth buffer cavity (2.5), and the fourth buffer cavity (2.5) is arranged at the joint of the core material feeding port and the core liquid material distributing channel (2.1).
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| CN110711546B (en) * | 2019-11-15 | 2024-09-13 | 南通好唯智能制造科技有限公司 | Flow splitting system for microchannel reactor, flow splitter and manufacturing method thereof |
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| EP3228734B1 (en) * | 2014-12-04 | 2020-09-09 | Zhengzhou Zhongyuan Spandex Engineering Technology Co., Ltd | Spandex fiber dry spinning component and spinning part |
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| CN108823657A (en) | 2018-11-16 |
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