CN107313116A - A kind of exhaust apparatus and its application method for wet spinning spinning head - Google Patents
A kind of exhaust apparatus and its application method for wet spinning spinning head Download PDFInfo
- Publication number
- CN107313116A CN107313116A CN201610264163.XA CN201610264163A CN107313116A CN 107313116 A CN107313116 A CN 107313116A CN 201610264163 A CN201610264163 A CN 201610264163A CN 107313116 A CN107313116 A CN 107313116A
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- China
- Prior art keywords
- spinning
- spinning head
- gooseneck
- head
- exhaust apparatus
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Classifications
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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
- D01D4/00—Spinnerette packs; Cleaning thereof
-
- 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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/10—Filtering or de-aerating the spinning solution or melt
- D01D1/103—De-aerating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention provides a kind of exhaust apparatus and its application method for wet spinning spinning head, belong to wet spinning field.The exhaust apparatus for being used for wet spinning spinning head includes：Vibrating grid, compressed air control system and spinneret assembly fixed mount；At least one pneumatic vibrator is installed on the vibrating grid, the compressed air control system is connected with the pneumatic vibrator；When pneumatic vibrator vibrates, vibrating grid is driven to resonate therewith；At least one spinneret assembly fixed mount is installed on the vibrating grid, gooseneck is installed on each spinneret assembly fixed mount；Spinning head is arranged on the lower end of the gooseneck；There is stoste guiding gutter in the installed in front of the vibrating grid, the stoste guiding gutter is located at the lower section of spinning head.
Description
Technical field
The invention belongs to wet spinning field, and in particular to a kind of exhaust apparatus for wet spinning spinning head and its make
Use method.
Background technology
Wet spinning is first swelled before dissolving using high polymer, i.e., solvent is first to infiltration inside high polymer,
Make the constantly increase of the distance between macromolecular, then dissolving forms the principle of uniform solution, by spinning solution
Sprayed by the spinning head being immersed in solvent, form the process of wet spinning as-spun fibre.Spinning solution is in spinning
Before, preparatory process before must being spun through mixing, filtering and deaeration etc., so that the uniform properties of spinning solution are consistent,
Wherein remove the wherein gel piece and impurity of entrained with and to remove the bubble in liquid particularly important.
Spinning head is in lifting head, and spinning solution is flowed on spinneret through the pipeline on component, because being deposited in gooseneck
There is air, stoste is mixed into air when flowing, causes to mix alveolate spinning solution during spinneret in spinneret face
Upper fracture, forms fracture of wire.Because the spinning head quantity that must be installed is more, in production typically directly by spinning head
It is passed through stoste to reach the standard grade production, part bubble can be discharged with spinning solution, is taken out of if depending merely on stoste flowing, when
Between be up to 2-4 hour, the substantial amounts of stoste of consuming.Spinning solution once flows out through spinneret assembly, with air
After contact, surface forms compacted zone, just can not carry out spinning, can only be disposed off as loss.Not only such as
This, in package duct still can entrapped air pockets, these bubbles exist always after compression, cause what is produced
Easily there is fracture of wire phenomenon because of bubbles burst in strand, and spinning head is replaced as frequently as, and will have a strong impact on precursor
Quality.
The content of the invention
It is an object of the invention to solve problem present in above-mentioned prior art there is provided one kind for wet spinning
The exhaust apparatus and its application method of spinning head, remove the bubble of attachment in spinning head gooseneck runner, reduce
Wire broken rate in production, improves precursor quality, saves stoste.
The present invention is achieved by the following technical solutions：
A kind of exhaust apparatus for wet spinning spinning head, including：Vibrating grid, compressed air control system and
Spinneret assembly fixed mount；
At least one pneumatic vibrator, the compressed air control system and institute are installed on the vibrating grid
State pneumatic vibrator connection；When pneumatic vibrator vibrates, vibrating grid is driven to resonate therewith；
At least one spinneret assembly fixed mount is installed on the vibrating grid, it is solid in each spinneret assembly
Determine gooseneck is installed on frame；Spinning head is arranged on the lower end of the gooseneck；
There is stoste guiding gutter in the installed in front of the vibrating grid, the stoste guiding gutter is located under spinning head
Side.
The vibrating grid includes framework, and 0-6 elastic support is provided with below framework.
When the gooseneck installed on said frame is more than one, each gooseneck is uniform on framework.
The stoste guiding gutter is groove-like structure, and its bottom surface is tilted from one end of framework to the other end.
End is provided with fix bar, one end of each spinneret assembly fixed mount and gooseneck on said frame
Connection, the other end is provided with U-shaped card slot, and the U-shaped card slot is caught in the fix bar on framework, solid by jackscrew
It is fixed.
The upper end of the gooseneck is provided with stoste outflow, and the stoste outflow fills with the pressure of spinning solution with front end
Power tank is connected.
A pneumatic vibrator is separately installed with two long sides up and down of the framework, in vertical direction
Two pneumatic vibrators are located on the same line；
The pneumatic vibrator is connected by screw thread with framework.
The compressed air control system includes：Compressed air gas source and source gas line, in compressed air gas
It is connected with source of the gas regulating valve, crossover sub and source of the gas three in source gas line between source and pneumatic vibrator in turn
It is logical；
The source gas line is divided into the gas above two gas source pipes, a gas source pipe connection after source of the gas threeway
Pneumatic vibrator below dynamic vibrator, another gas source pipe connection；
Pressure gauge is connected with source gas line between the source of the gas regulating valve and crossover sub；
The pressure limit of the compressed air of the compressed air gas source is：0.2-0.6MPa, vibrating the frequency is
5500-9000, the different frequencys, the corresponding time of vibration of different air pressures are 5-20 minutes.
The application method of apparatus of the present invention is as follows：
(1) before spinning starts, gooseneck and spinning head are fixed on framework by spinneret assembly fixed mount,
The pressurized tank that stoste outflow above gooseneck and front end are filled with into spinning solution is connected, and spinning head lower end is located at
Above stoste guiding gutter；
(2) after spinning solution is full of gooseneck and spinning head, compressed air control system is opened, it is pneumatic to shake
Dynamic device drives vibrating grid to vibrate by resonating, and vibrating grid drives gooseneck and spinning head resonance, and stoste is from spinneret
Head flows into stoste guiding gutter after spraying, bubble is discharged with vibration from spinning head by vibration；
(3) after vibration air exhaust terminates, the gooseneck drained gas and spinning head are installed on spinning threadling, will be sprayed
Silk head immersion coagulating bath carries out spinning；
(4) after spinning terminates, the increased air bubble of gooseneck and spinning head before spinning next time, returns to step
Suddenly (1).
Compared with prior art, the beneficial effects of the invention are as follows：Gooseneck and spinneret are rapidly removed by resonance
Residual bubbles in spinning solution in head, realize the steps of exhausting to gooseneck and spinning head before increase spinning,
The wire broken rate caused by bubble in production is reduced, production efficiency is improved, precursor quality, and section is improved
Stoste is saved.
Brief description of the drawings
Fig. 1 present invention is used for the structural representation of wet spinning spinning head exhaust apparatus.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
As shown in figure 1, the present invention includes for the exhaust apparatus of wet spinning spinning head：A set of vibrating grid, one
Cover compressed air control system, stoste guiding gutter and spinneret assembly fixed mount.
The vibrating grid contains：Framework and elastic support 10, elastic support quantity are 0-6, and elastic branch is not filled
During seat, framework can also resonate, but can cause the displacement of big noise and vibrating grid, add elastic support master
Play a part of damping.
The compressed air modifier contains：One source of the gas regulating valve, a crossover sub, a pneumatic vibrator,
One source of the gas threeway 4, gas source pipe, two pressure gauges.The stoste guiding gutter 9 is arranged on front side of framework.The frame
On frame can uniformly 1-6 groups spinning head 8 and gooseneck 6 and fixed mount, the fixed mount of the gooseneck 6 is band U
The neck of type groove, U-type groove is caught in the round bar on framework, is then fixed with jackscrew.
The vibrating exhaust device is provided with a compressed air tunnel, and the pipeline is by the conversion of threeway 4 two
End connects two compressed air gas source pipelines respectively, and is connected with one or two pneumatic vibrators 5, gas
Dynamic vibrator 5 is again with vibrating grid using being threadedly coupled, and pneumatic vibrator 5 is mounted in the two long of fixed gooseneck
Bian Shang, position is placed in center and is advisable, and can also be placed in the side for being easy to operation.And compressed air gas source pipeline 1
End is connected with a crossover sub 3, and pressure gauge is provided between crossover sub 3 and source of the gas regulating valve 2.
The compressed air pressure scope of the vibrating exhaust device is：0.2-0.6MPa, vibrating the frequency is
5500-9000, the different frequencys, the corresponding time of vibration of different air pressures are 5-20 minutes.Time of vibration
Determined according to compressed air pressure, for example：When 0.2MPa, vibration frequency are 5500 times, exhaust
Time is 20 minutes；When 0.4MPa, vibration frequency are 6800 times, evacuation time is 15 minutes；0.6MPa、
When vibration frequency is 9000 times, evacuation time is 5 minutes.
The fiber of the wet spinning includes but is not limited to：Polyacrylonitrile fibre and vinal.Stoste is special
Property range of viscosities 1.4-2,25-40 DEG C of spinning temperature, pressure 1.8-4MPa.
The application method of apparatus of the present invention is as follows：
Spinning head before the spinning produced will be needed to be fixed on vibrating grid, compressed air is passed through, makes vibration
Frame vibrates, so that spinning head vibrates, can be quickly by the bubble of stoste in spinning head gooseneck
Exclude completely, during vibration, stoste flows into guiding gutter after spinning head ejection, bubble is as vibration is from spinning head
It is discharged.Specifically include following steps：
(1) gooseneck 6 and spinning head 8 are fixed on framework by fixed mount, the top of gooseneck 6 is set
Vertical stoste outflow 7 is connected with the pressurized tank that spinning solution is filled with front end, and the lower end of spinning head 8 is located at guiding gutter 9
Top.
(2) after spinning solution is full of gooseneck 6 and spinning head 8, open vibrating exhaust device and (open
Source of the gas regulating valve 2).Vibrating exhaust device is provided with a compressed air tunnel, and the pipeline passes through threeway 4
Conversion two ends connect two compressed air gas source pipelines respectively, are connected with two pneumatic vibrators 5, use
The pneumatic vibrator 5 of threaded connection drives the spinneret assembly 6 and 8 on framework by the Vibration on Start-up frame that resonates
Resonance, elastic support 10 plays a part of buffering, slows down the impact that resonance brings ground supports.Drain gas
Gooseneck and spinning head are installed on spinning threadling after vibration air exhaust terminates, and spinning head immersion coagulating bath is entered
Row spinning.After only stopping work, entered in gooseneck and spinning head after air, increased air bubble just next time
Before production, then gooseneck and spinning head be exhausted.
Illustrate the technique effect of the present invention below by contrast experiment：
Comparative example：Inherent viscosity is full of gooseneck and spinning head, spinning head hole count for 1.7 spinning solution
For 24000.Directly spinning head is immersed in coagulating bath, 25 ms/min of speed of production.
Embodiment 1：It is 1.4 by inherent viscosity, the spinning solution that 40 DEG C of temperature is filled to gooseneck and spinning head,
1 group of spinning head is fixed on vibrating grid, spinning head lower end is located above guiding gutter.Spinning head hole count is
24000.Vibration on Start-up exhaust apparatus, adjusts compressed air pressure, is 5500 in 0.2MPa, vibration frequency
When secondary, evacuation time is 15 minutes；When 0.4MPa, vibration frequency are 6800 times, evacuation time is 10 points
Clock；When 0.6MPa, vibration frequency are 9000 times, evacuation time is that after 10 minutes, spinning head is immersed into solidifying
Gu in bath, 25 ms/min of speed of production.
Embodiment 2：It is 2 by inherent viscosity, the spinning solution that 25 DEG C of temperature is filled to gooseneck and spinning head,
Spinning head hole count is 24000.6 groups of spinning heads are fixed on vibrating grid, spinning head lower end is located on guiding gutter
Side.Vibration on Start-up exhaust apparatus, adjusts compressed air pressure, when 0.2MPa, vibration frequency are 5500 times,
Evacuation time is 20 minutes；When 0.4MPa, vibration frequency are 6800 times, evacuation time is 15 minutes；0.6MPa、
When vibration frequency is 9000 times, evacuation time is that after 5 minutes, spinning head is immersed in coagulating bath, production speed
25 ms/min of degree.
Its result is as shown in table 1：
Table 1
As shown in table 1, in comparative example, when not increasing the exhaust apparatus step, average stoste waste
226.8 kilograms/group is reached, precursor wire broken rate is 4.8%.By increasing after exhaust apparatus, in embodiment 1,
207.8 kilograms/group of stoste is saved, stoste ratio is saved and reaches 91.62%, average wire broken rate brings up to 1.8%.
In embodiment 2,211 kilograms/group of stoste is saved, stoste ratio is saved and reaches 93.03%, average wire broken rate is carried
It is high to 2.2%.It can be seen that, add after exhaust apparatus step, the stoste amount being lost in exhaust process greatly reduces,
Reduce production cost.Wire broken rate in production process has also obtained significantly being lifted, and improves the life of precursor
Yield and quality, improves production efficiency.
Above-mentioned technical proposal is one embodiment of the present invention, for those skilled in the art,
On the basis of the invention discloses application process and principle, it is easy to make various types of improvement or deformation,
The method described by above-mentioned embodiment of the invention is not limited solely to, therefore previously described mode is
It is preferred that, and not restrictive meaning.
Claims (9)
1. a kind of exhaust apparatus for wet spinning spinning head, it is characterised in that：It is described for wet spinning spinning head
Exhaust apparatus includes：Vibrating grid, compressed air control system and spinneret assembly fixed mount；
At least one pneumatic vibrator, the compressed air control system and institute are installed on the vibrating grid
State pneumatic vibrator connection；When pneumatic vibrator vibrates, vibrating grid is driven to resonate therewith；
At least one spinneret assembly fixed mount is installed on the vibrating grid, it is solid in each spinneret assembly
Determine gooseneck is installed on frame；Spinning head is arranged on the lower end of the gooseneck；
There is stoste guiding gutter in the installed in front of the vibrating grid, the stoste guiding gutter is located under spinning head
Side.
2. the exhaust apparatus according to claim 1 for wet spinning spinning head, it is characterised in that：It is described to shake
Moving frame includes framework, and 0-6 elastic support is provided with below framework.
3. the exhaust apparatus according to claim 2 for wet spinning spinning head, it is characterised in that：Described
When the gooseneck installed on framework is more than one, each gooseneck is uniform on framework.
4. the exhaust apparatus according to claim 3 for wet spinning spinning head, it is characterised in that：The original
Liquid guiding gutter is groove-like structure, and its bottom surface is tilted from one end of framework to the other end.
5. the exhaust apparatus according to claim 4 for wet spinning spinning head, it is characterised in that：Described
Framework upper end is provided with fix bar, and one end of each spinneret assembly fixed mount is connected with gooseneck, another
End is provided with U-shaped card slot, and the U-shaped card slot is caught in the fix bar on framework, fixed by jackscrew.
6. the exhaust apparatus according to claim 5 for wet spinning spinning head, it is characterised in that：The goose
The upper end of neck tube is provided with stoste outflow, and the pressurized tank that the stoste outflow fills with spinning solution with front end is connected.
7. the exhaust apparatus according to claim 6 for wet spinning spinning head, it is characterised in that：Described
A pneumatic vibrator is separately installed with two long sides up and down of framework, two pneumatic are shaken in vertical direction
Dynamic device is located on the same line；
The pneumatic vibrator is connected by screw thread with framework.
8. the exhaust apparatus according to claim 7 for wet spinning spinning head, it is characterised in that：The pressure
Contracting air control system for air includes compressed air gas source and source gas line, in compressed air gas source and pneumatic vibration
It is connected with source of the gas regulating valve, crossover sub and source of the gas threeway in source gas line between device in turn；
The source gas line is divided into the gas above two gas source pipes, a gas source pipe connection after source of the gas threeway
Pneumatic vibrator below dynamic vibrator, another gas source pipe connection；
Pressure gauge is connected with source gas line between the source of the gas regulating valve and crossover sub；
The pressure limit of the compressed air of the compressed air gas source is：0.2-0.6MPa, vibrating the frequency is
5500-9000, the different frequencys, the corresponding time of vibration of different air pressures are 5-20 minutes.
9. a kind of application method of any described exhaust apparatus for wet spinning spinning head of claim 1 to 8,
It is characterized in that：Methods described includes：
(1) before spinning starts, gooseneck and spinning head are fixed on framework by spinneret assembly fixed mount,
The pressurized tank that stoste outflow above gooseneck and front end are filled with into spinning solution is connected, and spinning head lower end is located at
Above stoste guiding gutter；
(2) after spinning solution is full of gooseneck and spinning head, compressed air control system is opened, it is pneumatic to shake
Dynamic device drives vibrating grid to vibrate by resonating, and vibrating grid drives gooseneck and spinning head resonance, and stoste is from spinneret
Head flows into stoste guiding gutter after spraying, bubble is discharged with vibration from spinning head by vibration；
(3) after vibration air exhaust terminates, the gooseneck drained gas and spinning head are installed on spinning threadling, will be sprayed
Silk head immersion coagulating bath carries out spinning；
(4) after spinning terminates, the increased air bubble of gooseneck and spinning head before spinning next time, returns to step
Suddenly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264163.XA CN107313116B (en) | 2016-04-26 | 2016-04-26 | Exhaust device for wet spinning nozzle and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264163.XA CN107313116B (en) | 2016-04-26 | 2016-04-26 | Exhaust device for wet spinning nozzle and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107313116A true CN107313116A (en) | 2017-11-03 |
| CN107313116B CN107313116B (en) | 2023-04-07 |
Family
ID=60185631
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610264163.XA Active CN107313116B (en) | 2016-04-26 | 2016-04-26 | Exhaust device for wet spinning nozzle and using method thereof |
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| CN204684343U (en) * | 2015-06-04 | 2015-10-07 | 陶琦 | A kind of gas-tight alveolitoid transfusion device |
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| US3494101A (en) * | 1966-12-15 | 1970-02-10 | Nils Anders Lennart Wikdahl | Method and apparatus for deaerating liquid suspensions |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107313116B (en) | 2023-04-07 |
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