CN101200815A - Spinning nozzle - Google Patents
Spinning nozzle Download PDFInfo
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- CN101200815A CN101200815A CNA2006101300314A CN200610130031A CN101200815A CN 101200815 A CN101200815 A CN 101200815A CN A2006101300314 A CNA2006101300314 A CN A2006101300314A CN 200610130031 A CN200610130031 A CN 200610130031A CN 101200815 A CN101200815 A CN 101200815A
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Abstract
The invention relates to a chemical fiber spinning nozzle, in particular to an inserted pipe type porous spinning nozzle which is used for spinning hollow fiber. According to the inserted pipe type hollow fiber spinning nozzle provided by the invention, the nozzle includes an upper component, a middle component and a lower component. A core liquid hole and a liquid material hole are arranged on the upper component; a liquid material hole and a socket hole are arranged in the middle component; the socket hole is embedded in the socket of an inserted pipe; a spinneret hole is arranged on the lower component; a cylinder is arranged in the spinneret hole; a hole is arranged in the middle of the cylinder for the inserted pipe to pass through for the compulsory concentric location. According to the nozzle structure of the invention, the concentration of the nozzle is not needed to be regulated. Thus, the invention can be easily disassembled for cleaning whenever the spinning is finished. The assembly is easy. And the concentration of the nozzle is not needed to be regulated again. With convenient usage, the invention can guarantee the spinning quality and is beneficial to be used in the large scale production.
Description
Technical field
The present invention relates to a kind of chemical fibre spinning nozzle, relate in particular to a kind of insertion tubular type porous spinning nozzle that doughnut is used that spins.
Background technology
Spinning nozzle is the critical component of spinning doughnut in the spinning machine.The spinning doughnut generally adopts and inserts the tubular type spinning nozzle, and its operation principle is to flow out spinning core liquid in inserting pipe, forms hollow fiber cavity, and the annular space ejection spinning solution inserting between pipe outer wall and the spinneret orifice forms hollow fiber walls.Therefore the concentricity of inserting pipe and spinneret orifice directly influences the evenness of wall thickness of spun doughnut, the i.e. quality of doughnut.
The insertion tubular type spinning nozzle that uses is fixed owing to its base structure at present, make the insertion pipe non-adjustable substantially in the position of spinneret orifice, especially for the porous spinning nozzle, the main raising machining accuracy that relies on solves, and the concentricity of all unresolved insertion pipe of prior art and spinneret orifice is adjusted problem.Will adjusting in the porous spinning nozzle each one by one, to insert pipe very difficult with the concentricity of spinneret orifice, in fact in order to guarantee that the doughnut spinning quality has to use the single hole spinning nozzle.In order to improve output, can only use a plurality of spinning nozzles even many spinning machines, cause spinning equipment control complexity, equipment investment and operating cost to increase.Therefore can the accurate porous spinning nozzle of adjusting concentricity be to enhance productivity, reduce cost, the critical component of large-scale production doughnut and key technology.
Sprinkler design was to be fixed on the lower component B of shower nozzle by the copper seat with inserting pipe in the past, when a certain discharge opening decentraction of porous spinning nozzle, the top assembly A and the lower component B fastening bolt of shower nozzle need be opened, assembly A and assembly B are separated, adjust the copper seat, again with assembly A and assembly B bolted, check concentricity, the result is that the discharge opening of desire adjustment is not also adjusted with one heart, the concentricity of other discharge openings is influenced on the contrary, and it is concentric to be difficult to that like this 6 or more a plurality of discharge opening are adjusted to pinpoint accuracy.
Another hollow membrane is disclosed among the CN1059477C with inserting the tubular type spinning nozzle.Shown in the accompanying drawing 1-8 of this patent document, the shower nozzle basic element of character is made up of top assembly A, intermediate module B, three of lower component C.Circumferential 3-24 the spinneret orifice that evenly distribute evenly inlayed 6 syringe needles on assembly B and the corresponding position of assembly A on assembly A.On assembly C, there is annular spinning core liquid to distribute runner with assembly B needle holder correspondence position.Assembly A and assembly B, assembly B go up and assembly C uses bolted respectively.Earlier with assembly A and assembly B bolted, then with the method for knocking syringe needle root 4, adjust the concentricity of each discharge opening at an easy rate one by one, and when adjusting the concentricity of some discharge openings, the concentricity of other discharge openings is unaffected fully, and it is concentric to be easy to that like this 6 or more a plurality of discharge opening are adjusted to pinpoint accuracy.And then with assembly B and assembly C bolted, thereby obtain the good porous spinning nozzle of concentricity, can effectively guarantee the hollow-fibre membrane product quality, make porous nozzle be fit to suitability for industrialized production, significantly improve output, reduce cost simultaneously.But find in actual applications, at room temperature after the adjustment with one heart, under the heating service condition,, cause losing with one heart, thereby can not ordinary production owing to the release of flow of metal stress.
Therefore, prior art still needs to improve.
Summary of the invention
The objective of the invention is to improve the spinning nozzle structure, improve and a kind ofly need not adjust concentric shower nozzle.
The invention provides a kind of insertion tubular type doughnut spinning nozzle, it is characterized in that, comprising: top assembly A, intermediate module B, lower component C, wherein, top assembly A is provided with core liquid hole 33, liquid material hole 34; Be provided with liquid material hole 34 and base hole 35 among the intermediate module B, embed the base that inserts pipe in the above-mentioned base hole 35; Spinneret orifice 36 is set on the lower component C, is provided with cylinder 42 in the spinneret orifice 36, perforation in the middle of the cylinder 42 is passed for inserting pipe 32, forces concentric locating.
According to nozzle structure of the present invention, need not adjust the concentric of shower nozzle again.After so each spinning finishes, can take cleaning easily apart, be easy to assembling, need not readjust the concentric of shower nozzle again.Not only easy to use, and can guarantee spinning quality, help in large-scale production, using.
Description of drawings
Fig. 1 is a single hole spinning nozzle overall structure of the present invention vertical section schematic diagram;
Fig. 2 is the vertical section schematic diagram of shower nozzle intermediate module of the present invention;
Fig. 3 is the vertical section schematic diagram of shower nozzle lower component of the present invention;
Fig. 4 is a cylindrical schematic cross section in the shower nozzle heart lower component of the present invention;
Fig. 5 is a braiding muscle enhancement mode film tow section structure schematic diagram;
Fig. 6 a is three tow single reinforcement shower nozzle discharging opening end face schematic diagrames;
Fig. 6 b is three tow, six muscle shower nozzle discharging opening end face schematic diagrames;
Fig. 7 is a cluster type hollow-fibre membrane spinning machine schematic diagram.
The specific embodiment
Describe the concrete structure of spinning nozzle of the present invention below in detail according to Fig. 1-4.
As shown in Figure 1, shower nozzle of the present invention is combined by top assembly A, intermediate module B, lower component C three chip modules on the whole.As shown in Figure 1, assembly A in top is provided with core liquid hole 33, liquid material hole 34; Be provided with liquid material hole 34 and base hole 35 among the intermediate module B, embed the base 31 that inserts pipe in the above-mentioned base hole 35, be provided with core liquid bath 37 at the top of intermediate module B; Spinneret orifice 36 is set on the lower component C, is provided with cylinder 42 in the spinneret orifice 36, perforation in the middle of the cylinder 42 is passed for inserting pipe 32, is provided with liquid hopper 38 at lower component C top.
More particularly, inserting pipe can be the syringe needle of injection.As shown in Figure 2, in the base hole 35 on the needle stand 31 embedding assembly B sheets of injection needle, fix, realize sealing by elastic sealing strips such as silicon rubber 22 by mechanical friction power.Above-mentioned silica gel sheet carries out half means of press seals, and the silica gel sheet is provided with various runners hole, and there is porous core liquid bath position.
As shown in Figure 3, on nozzle component C, embed cylinder 42 in the spinneret orifice, in cylinder 42, laterally embed horizontal cylinder 41, on horizontal cylinder 41 by methods such as laser, electric spark make a call to one with injection needle with through hole 43 directly.
By Precision Machining, the through hole of controlling on the horizontal cylinder 41 43 is concentric with the endoporus on the cylinder 42, and laterally the aperture of the through hole 43 on the cylinder 41 and injection needle are with the footpath.Simultaneously the internal diameter length L 3 of cylinder 42 is shorter, as less than 3mm, because the forced guiding effect of through hole 43 can guarantee that then spinning nozzle exit injection needle is concentric with the endoporus on the cylinder 42, thereby guarantee that spun doughnut wall thickness is even.
L1 shown in Figure 3 is that syringe needle inserts the bigger part in the aperture of through hole more than 43 on the horizontal cylinder, its length is approximately 2mm, L2 is that syringe needle inserts the bigger part in the aperture of through hole below 43 on the horizontal cylinder, its length is approximately 1-2mm, L3 part internal diameter is identical with the syringe needle external diameter, and its length is 1.5-2.5mm.And, L1＞L3＞L2.
According to nozzle structure of the present invention design, can process the 1-36 hole even the spinning nozzle of porous more.
According to above-mentioned nozzle structure of the present invention, need not adjust again and can guarantee the concentric of shower nozzle.
Be the powerful and anti-brute force that fractures of the stretch-proof that further improves hollow-fibre membrane, when spinning, can be with a muscle line 51 with 2-8 hole preparation liquid, enter coagulating bath through spinning nozzle, make the high strength hollow fiber membrane bundle that there is reinforcement film bundle inside, thereby make stable performance, suitable, the high water flux in aperture and high-intensity hollow-fibre membrane.
Shown in Fig. 5 a to 5e, when spinning, can enter coagulating bath through spinning nozzle with a muscle line with 2-8 hole preparation liquid, make the high strength hollow fiber membrane bundle that there is reinforcement film bundle inside, thereby make stable performance, suitable, the high water flux in aperture and high-intensity hollow-fibre membrane.Process the centre distance between the outlet of spinning membrane system liquid on the shower nozzle by entry distance and the selection of adjusting spinning membrane system liquid coagulating bath liquid level outside shower nozzle is exported to, the boundling that can adjust hollow fiber membrane bundle merges circularity.By selecting the tensile strength and the pliability of muscle line, can obtain high tensile and stretch the powerful and anti-powerful hollow fiber membrane bundle that fractures.The muscle wire material can be organic polymer fibers such as cotton rope, woven nylon, polyimides, aromatic polyamides, polypropylene, polyethylene etc., or inorfil or its braided fabrics such as carbon fiber, glass fibre.Improve the adhesive strength of muscle line and membrane material, can improve the stripper-resistance of muscle line and membrane material.
Adopt nozzle structure of the present invention, increase, can spin the cluster type hollow-fibre membrane as behind Fig. 6 through hole 61.
This patent has been done further improvement on the basis of existing technology, improves in the spinning nozzle structure, the spinning of 2-8 root hollow-fibre membrane boundling can be improved the powerful and anti-brute force that fractures of stretch-proof of hollow-fibre membrane greatly.As Fig. 6 is the spinning nozzle structural representation of 3 hollow-fibre membrane boundlings spinning.
Fig. 7 is a cluster type hollow-fibre membrane spinning machine schematic diagram.The muscle bobbin keeps certain tensile force, after the muscle line passes spinning nozzle, enters with the hollow-fibre membrane of plying and to solidify water-bath 27, through godet roller 22, is pulled and is wound on the wire wrapping wheel 23, and the muscle type that strengthened strengthens the doughnut perforated membrane.
Adopt a plurality of spinning stills can realize continuity production, as Fig. 7, it is characterized in that designing one group of material liquid tank 1,2, its feed inlet and outlet has triple valve 10,11 to connect respectively, and during one jar of work, another jar deaeration replaces repeatedly, but continuous spinning; One core assembly flow container 3,4, by being connected with switch valve 17,18 upper and lower communicating pipe 5, one jar of work is prepared against after another jar fluid infusion and is resupplied the work jar; Coagulating bath water tank 21 is equipped with liquid supplementation pipe 7 and overflow pipe 6, when spinning solution 26 enters solidifying liq 27 in the coagulating bath water tank 21 through spinning nozzles 9, form local spin solvent, the additive area with high mercury, by near overflow pipe 6 it is discharged coagulating bath water tank, can effectively prevent since in the coagulating bath water tank 27 excessive concentration of spin solvent and spinning additive to the adverse effect of doughnut film properties stability, simultaneously, liquid supplementation pipe 7 is in the wire vent position of coagulating bath water tank, can make spun doughnut in coagulating bath water tank, finish spin solvent as far as possible, the exchange of additive, extraction makes the hollow-fibre membrane constant product quality that spins out.This technology can be used porous spinning nozzle continuous spinning in enormous quantities, production efficiency height, low, the good product quality of cost.
Other multifibres bundle, many muscle structure spinning nozzle structure can be analogized.
Claims (9)
1. one kind is inserted tubular type doughnut spinning nozzle, it is characterized in that, comprising: top assembly (A), intermediate module (B), lower component (C), and wherein, top assembly (A) is provided with core liquid hole (33), liquid material hole (34); Be provided with liquid material hole (34) and base hole (35) in the intermediate module (B), embed the base that inserts pipe in the above-mentioned base hole (35); Spinneret orifice (36) is set on the lower component (C), is provided with cylinder (42) in the spinneret orifice (36), perforation in the middle of the cylinder (42) is passed for inserting pipe (32), forces concentric locating.
2. insertion tubular type doughnut spinning nozzle according to claim 1 is characterized in that: cylinder (42) removably embeds in the spinneret orifice (36) of lower component (C).
3. insertion tubular type doughnut spinning nozzle according to claim 1 is characterized in that: laterally embed horizontal cylinder (41) in the cylinder (42), on horizontal cylinder (41), be provided with one with insert pipe with through hole (43) directly.
4. insertion tubular type doughnut spinning nozzle according to claim 3, it is characterized in that: syringe needle inserts the above bigger part in aperture of through hole (43) on the horizontal cylinder, its length (L1) is approximately 2mm, syringe needle inserts the following bigger part in aperture of through hole (43) on the horizontal cylinder, its length (L2) is approximately 1-2mm, it is identical with the syringe needle external diameter that syringe needle inserts the less part internal diameter in the following aperture of through hole (43) on the horizontal cylinder, and its length (L3) is 1.5-2.5mm.
5. according to any described insertion tubular type doughnut spinning nozzle of claim 1-3, it is characterized in that:
Above-mentioned insertion pipe and base are clinical syringe needles.
6. according to any described insertion tubular type doughnut spinning nozzle of claim 1-3, it is characterized in that:
On lower component (C), a plurality of spinneret orifices are set.
7. insertion tubular type doughnut spinning nozzle according to claim 1 is characterized in that: muscle line (51) through spinning nozzle, is made the high strength hollow fiber membrane bundle that there is reinforcement film bundle inside with a plurality of holes preparation liquid.
8. insertion tubular type doughnut spinning nozzle according to claim 1 is characterized in that:
In shower nozzle, increase through hole (51), carry out the boundling spinning.
9. insertion tubular type doughnut spinning nozzle according to claim 8 is characterized in that: can carry out the spinning of many boundlings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101300314A CN101200815A (en) | 2006-12-11 | 2006-12-11 | Spinning nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101300314A CN101200815A (en) | 2006-12-11 | 2006-12-11 | Spinning nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101200815A true CN101200815A (en) | 2008-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101300314A Pending CN101200815A (en) | 2006-12-11 | 2006-12-11 | Spinning nozzle |
Country Status (1)
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| CN (1) | CN101200815A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102021668A (en) * | 2011-01-13 | 2011-04-20 | 南通大学 | Embedded-needle spinneret for hollow fiber spinning |
| CN101935891B (en) * | 2009-06-29 | 2012-04-04 | 吕晓龙 | Hollow fiber spinning nozzle of insertion tube type |
| CN103710766A (en) * | 2013-12-12 | 2014-04-09 | 北京化工大学 | Hollow fiber spray nozzle allowing adjusting hollow core tube |
| CN109957847A (en) * | 2017-12-25 | 2019-07-02 | 宁波斯宾拿建嵘精密机械有限公司 | A kind of hollow tunica fibrosa spinneret that novel multifibres merges |
-
2006
- 2006-12-11 CN CNA2006101300314A patent/CN101200815A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935891B (en) * | 2009-06-29 | 2012-04-04 | 吕晓龙 | Hollow fiber spinning nozzle of insertion tube type |
| CN102021668A (en) * | 2011-01-13 | 2011-04-20 | 南通大学 | Embedded-needle spinneret for hollow fiber spinning |
| CN102021668B (en) * | 2011-01-13 | 2012-04-18 | 南通大学 | Embedded-needle spinneret for hollow fiber spinning |
| CN103710766A (en) * | 2013-12-12 | 2014-04-09 | 北京化工大学 | Hollow fiber spray nozzle allowing adjusting hollow core tube |
| CN109957847A (en) * | 2017-12-25 | 2019-07-02 | 宁波斯宾拿建嵘精密机械有限公司 | A kind of hollow tunica fibrosa spinneret that novel multifibres merges |
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Open date: 20080618 |