CN105970358B - Carbon fibre precursor high steam drafting machine - Google Patents
Carbon fibre precursor high steam drafting machine Download PDFInfo
- Publication number
- CN105970358B CN105970358B CN201610135311.8A CN201610135311A CN105970358B CN 105970358 B CN105970358 B CN 105970358B CN 201610135311 A CN201610135311 A CN 201610135311A CN 105970358 B CN105970358 B CN 105970358B
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- Prior art keywords
- labyrinth seal
- babinet
- tank body
- labyrinth
- seal structure
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture 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
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
Abstract
The present invention provides a kind of carbon fibre precursor high steam drafting machine, including drawing-off tank body, labyrinth seal babinet, drawing-off tank body be equipped with for tow by slit, bottom is equipped with low-pressure steam admission line in drawing-off tank body, the top of low-pressure steam admission line is equipped with perforated distributor, the inlet end and an outlet end of drawing-off tank body is respectively equipped with labyrinth seal babinet, upper labyrinth seal structure and lower labyrinth seal structure are equipped in labyrinth box body, it is equipped with gap between upper and lower labyrinth seal structure, tow is formed and runs channel.This kind of carbon fibre precursor high steam drafting machine, draft ratio is high, and fracture of wire is few, and tow percent of pass is high, and pressurize is good, can effectively improve the precursor degree of orientation and crystallinity, is the key equipment that precursor used for high-performance carbon fibre is made.
Description
Technical field
The present invention relates to a kind of carbon fibre precursor high steam drafting machines.
Background technology
Carbon fiber is inorganic polymer fiber of the phosphorus content 90% or more, except the high temperature resistant, resistance to general carbon materials
Outside friction, conductive, heat conduction and the characteristics such as corrosion-resistant, also there is soft machinability, light, specific strength and specific modulus are high, are new
Generation reinforcing material is widely used in sports apparatus, weaving, chemical machinery, medicine, military affairs and numerous hard-core technology fields.
Polyacrylonitrile-based carbon fibre yield accounts for about 80% or more of various carbon fibre materials, but PAN strand qualities are still carbon
A bottleneck in fiber development course.
It is as-spun fibre to polymerize stoste by coagulation forming, and after washing drawing-off, compacting by drying and oiling, tow enters
To steam drafting machine, high magnification drawing-off is carried out again, the tow degree of orientation and crystallinity is greatly improved, enhances the physical mechanical of tow
Performance.
In equipment, high steam drafting process is the critical process for producing carbon fiber Wesy precursor, domestic steam drafting equipment
Fluctuation of service, poor sealing make vapor stream and temperature in drawing-off tank body generate fluctuation, are also easy to produce lousiness and fracture of wire, produce
Line yield reduces, and increased production cost, influences high drafting process, to reduce the degree of orientation, the crystallinity of precursor, precursor is made to manage
Changing performance accordingly reduces, and dispersion degree is made to increase, the final mechanical property for influencing carbon fiber.
In technique, the method that foreign countries use high temperature and high pressure steam at present, and domestic most carbon fibers producer is in lower temperature
Steam under drawing-off, so the hydrone of high temperature can not be made sufficiently uniformly to enter in silk, solvent molecule cannot be abundant
Release, fiber inside aperture becomes larger after high power steam drafting, and number becomes more, and the total volume of fiber inside aperture increases considerably,
The degree of orientation also significantly declines simultaneously, and high power steam drafting process fails to effectively improve the physicochemical property of fiber.Low temperature condition
Under（≤130℃）Superheated steam stretch 2.5~3 times, though fiber micropore quantity reduce, microcell length is still longer, diameter compared with
Greatly, this precursor high-performance carbon fibre quality substantially obtained is unstable.
Invention content
The purpose of the present invention is overcoming the shortcomings of existing drawing-off tank body equipment, a kind of cheap, compact-sized, behaviour is provided
Facilitate, securely and reliably, draft ratio is high in operation steam pressure height, operational process, and fracture of wire is few, and percent of pass is high, and pressurize is good,
The steam drafting equipment of the precursor degree of orientation, crystallinity and precursor row yielding can be effectively improved.
Technical solution of the invention is：
A kind of carbon fibre precursor high steam drafting machine, including drawing-off tank body, labyrinth seal babinet, drawing-off tank body, which is equipped with, to be used
In tow by slit, bottom is equipped with low-pressure steam admission line in drawing-off tank body, is set above low-pressure steam admission line
There are perforated distributor, the inlet end and an outlet end of drawing-off tank body to be respectively equipped with labyrinth seal babinet, be equipped in labyrinth box body
Upper labyrinth seal structure and lower labyrinth seal structure are equipped with gap and form silk between upper labyrinth seal structure and lower labyrinth seal structure
The channels Shu Yunhang.
Further, low-pressure steam admission line is equipped with several ventholes, and venthole is set to the lower section of tow, and venthole
Towards the bottom of drawing-off tank body.
Further, upper labyrinth seal structure and lower labyrinth seal structure respectively include several labyrinth seals being arranged
Panel, adjacent labyrinth seal panel are equipped with airspace, and labyrinth seal panel includes the flank of tooth and groove being arranged alternately successively.
Further, the flank of tooth of the flank of tooth of upper labyrinth seal structure and lower labyrinth seal structure is opposite one by one, and upper labyrinth is close
The groove of the groove of seal structure and lower labyrinth seal structure is opposite one by one.
Further, the inlet and outlet of labyrinth seal babinet are equipped with sub-wire device, and the inlet and outlet of labyrinth seal babinet are additionally provided with use
In the suspended hood that exudation excessive gas is sucked out, suspended hood is communicated with aspiration channel；The frame of labyrinth seal babinet is equipped with side slot, side slot
It is interior to be equipped with sealing rubber strip.
Further, drawing-off tank body, labyrinth box wrap up heat-preservation cotton respectively in vitro, and the side of labyrinth seal babinet is equipped with
Protective baffle plate, labyrinth seal babinet are set on box frame, and box frame is set on the card slot sliding rail of pedestal.
Further, labyrinth seal babinet uses openable labyrinth seal babinet, and labyrinth seal babinet is by controller control
System is opened, and labyrinth seal babinet includes upper box and lower box, and upper labyrinth seal structure is equipped in upper box, is equipped in lower box
The side of lower labyrinth seal structure, upper box and lower box is flexibly connected by connecting shaft.
Further, labyrinth seal babinet by sealed screw, sealing nut fix labyrinth seal panel, sealing nut with
It is equipped with high temperature resistant gasket between labyrinth seal babinet, is equipped between labyrinth seal panel and labyrinth seal babinet for adjusting tow operation
The metal gasket of channel height.
Further, at the faying face of upper labyrinth seal structure and lower labyrinth seal structure be equipped with inductor, inductor with
The switching control pilot of low-pressure steam admission line is chain, and when drawing-off tank body does not completely close, low-pressure steam admission line is opened
It closes control valve to be closed, makes that steam cannot be passed through.
Further, labyrinth seal babinet be equipped with hydraulic open-close seal assembly, hydraulic open-close seal assembly include hydraulic cylinder,
Several seal case locking members, fastener, fastener include several anchorage bars, adjusting bolt and have contact with, and the pedestal of hydraulic cylinder is lived
The piston rod of dynamic connection lower box, hydraulic cylinder is flexibly connected anchorage bar, and adjusting bolt connects labyrinth seal panel and anchorage bar, tightly
Have contact with Gu the end of bar is respectively equipped with, seal case locking member is equipped with for being correspondingly connected with the through-hole having contact with.
The beneficial effects of the invention are as follows：
One, for compared with the prior art, the present invention uses modularization processing installation, processing due to labyrinth seal panel
Cost is substantially reduced, and machining accuracy improves, and installation and adjustment are convenient.And in the process of running, the adjustment in drawing-off tank body gap
Simpler convenience.
Two, steam drafting machine of the invention, labyrinth seal structure use mechanical interlocking, and the pipeline valve and lock of logical steam
Tight device is chain, safe.
Three, this kind of carbon fibre precursor high steam drafting machine, steam inlet design and porous web mounting means, make drawing-off
Tank body interior air-flow field is uniform, reduces the impact to running tow.
Four, steam drafting machine labyrinth seal panel of the invention, reasonable design, airflow field is stablized in operational process, pressurize
Property is good, and each point temperature fluctuation is small, and fracture of wire is few.
Description of the drawings
Fig. 1 is the structural schematic diagram of carbon fibre precursor high steam drafting machine of the embodiment of the present invention；
Fig. 2 is the side view of drawing-off tank body in embodiment.
Fig. 3 is the A of Fig. 1 to side view.
Fig. 4 be upper box in embodiment, lower box open structural schematic diagram.
Fig. 5 is the vertical view of labyrinth seal panel in embodiment.
Fig. 6 is embodiment low pressure steam access schematic diagram.
Wherein：1- drawing-off tank bodies, 2- labyrinth seal babinets, 3- import and export sub-wire device, 4- slits, 5- low-pressure steam air inlet pipe
Road, 6- suspended hoods, 7- aspiration channels, 8- bearings, 9- manholes, 10- flanges, 11- box frames, 12- pedestals, 13- sliding rails, 14- senses
Answer device, 15- pressure gauges, 16- thermometers；
21- upper boxes, 22- lower boxes, 23- connecting shafts, 24- labyrinth seal panels, 25- tow run channel, 26- hydraulic pressure
Cylinder, 27- seal case locking members, 28- anchorage bars, 29- adjusting bolts, 210- have contact with, 211- sealing rubber strips, the anti-guard blocks of 217-
Plate.
Specific implementation mode
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Embodiment
A kind of carbon fibre precursor high steam drafting machine, such as Fig. 1, including drawing-off tank body 1, labyrinth seal babinet 2, drawing-off tank
Body 1 be set to bearing 8 on, drawing-off tank body 1 be equipped with for tow by slit 4, such as Fig. 2.Bottom is equipped with low pressure in drawing-off tank body 1
The top of steam inlet pipeline 5, low-pressure steam admission line 5 is equipped with perforated distributor, the inlet end and an outlet end of drawing-off tank body 1
It is respectively equipped with labyrinth seal babinet 2, drawing-off tank body 1 is located among two labyrinth seal babinets 2, is connected by flange 10.Labyrinth is close
Upper labyrinth seal structure and lower labyrinth seal structure are equipped in joint sealing body 2, between upper labyrinth seal structure and lower labyrinth seal structure
Tow, which is formed, equipped with gap runs channel 25.
This kind of carbon fibre precursor high steam drafting machine, compact-sized, deft design is economic and practical, easy to operate, repair
Fast, securely and reliably, draft ratio is high in operational process, and fracture of wire is few, and tow percent of pass is high, and pressurize is good, can effectively improve original
The silk degree of orientation and crystallinity are the key equipments that precursor used for high-performance carbon fibre is made.
Perforated distributor keeps airflow field flowing uniform, avoids directly impacting tow.Low-pressure steam admission line 5 is equipped with several
Venthole, venthole are set to the lower section of tow, and venthole is towards the bottom of drawing-off tank body 1, steam inlet design and porous
Distribution plate mounting means keeps 1 interior air-flow field of drawing-off tank body uniform, reduces the impact to running tow.The steam of the present invention is led
Stretch machine labyrinth seal panel 24, reasonable design, airflow field is stablized in operational process, and each point temperature fluctuation is small, and fracture of wire is few.
Upper labyrinth seal structure and lower labyrinth seal structure respectively include several labyrinth seal panels 24 being arranged, phase
Adjacent labyrinth seal panel 24 is equipped with airspace, and labyrinth seal panel 24 includes the flank of tooth and groove being arranged alternately successively.On
The flank of tooth of the flank of tooth of labyrinth seal structure and lower labyrinth seal structure is opposite one by one, the groove of upper labyrinth seal structure and lower labyrinth
The groove of sealing structure is opposite one by one.
The metal gasket that 25 height of channel is run for adjusting tow is equipped between labyrinth seal panel 24 and labyrinth seal babinet 2
Piece 215.In order to adapt to the precursor of production different size kind, different K numbers precursor, thickness is different, 1 clearance requirement of counter extensioin tank body
Difference is equipped with metal gasket 215 preferably between labyrinth seal panel 24 and labyrinth seal babinet 2, and it is close that gasket plays adjusting labyrinth
Seal the effect in gap.
Such as Fig. 3, labyrinth seal babinet 2 is equipped with inlet and outlet sub-wire device 3, and inlet and outlet sub-wire device 3 can adjust, be used for up and down
Separate each spinning position tow.The inlet and outlet of labyrinth seal babinet 2 are additionally provided with the suspended hood 6 for exudation excessive gas to be sucked out, and inhale
Fan housing 6 is communicated with aspiration channel 7, oozes out excessive gas to sop up from labyrinth seal.As the frame of Fig. 5, labyrinth seal babinet 2 are equipped with
Side slot, side slot is interior to be equipped with sealing rubber strip 211, when upper and lower labyrinth seal structure is closed, energy after sealing rubber strip 211 is compressed
Sealing gas does not make gas be leaked out from babinet both sides.
Heat-preservation cotton is wrapped up respectively outside drawing-off tank body 1, labyrinth seal babinet 2, plays the role of keeping the temperature and preventing scald.Labyrinth is close
The side of joint sealing body 2 is equipped with protective baffle plate 217, such as Fig. 2, is directly sprayed after preventing steam from leaking and hurts fore side personnel.
Such as Fig. 1, labyrinth seal babinet 2 is set on box frame 11, and box frame 11 is set to the card slot sliding rail 13 of pedestal 12
On.Expanded by heating after drawing-off tank body 1 is passed through steam squeezes labyrinth seal babinet 2 to both ends, and labyrinth seal babinet 2 can be with
Box frame 11 slides in the card slot sliding rail 13 of pedestal 12, ensures equipment not crimp due to stress, ensures the essence of equipment
Close property and operation stability.
The various component of machine of the steam drafting machine of the present invention are all mounted on 12 workbench of pedestal so that equipment is whole
Stability enhances, while can also adjust the level of 12 workbench of pedestal, to adjust the water of 1 labyrinth seal working face of drawing-off tank body
It is flat, accuracy when operation to improve equipment.Pedestal 12 is in a pre-installation, below terrace reinforced concrete structure to prevent ground
Face sinks, horizontal to 12 adjustment of pedestal after installation.
Such as Fig. 3 and Fig. 4, labyrinth seal babinet 2 is using openable labyrinth seal babinet 2, and labyrinth seal babinet 2 is by controlling
Device control is opened, and labyrinth seal babinet 2 includes upper box 21 and lower box 22, and upper labyrinth seal structure is equipped in upper box 21,
It is equipped with lower labyrinth seal structure in lower box 22, the side of upper box 21 and lower box 22 is flexibly connected by connecting shaft 23.
Such as Fig. 2, at the faying face of upper labyrinth seal structure and lower labyrinth seal structure be equipped with inductor 14, inductor 14 with
The switching control pilot of low-pressure steam admission line 5 is chain, when drawing-off tank body 1 does not completely close, low-pressure steam admission line 5
Switching control pilot is closed, and such as Fig. 6, makes that steam cannot be passed through.
Fig. 6 is steam passage schematic diagram whole in embodiment, after steam enters drawing-off tank body 1, respectively by both sides
Labyrinth seal babinet 2 is sucked out after aspiration channel 7 by suspended hood 6, is exported using wind turbine.
Labyrinth seal babinet 2 is equipped with hydraulic open-close seal assembly, and hydraulic open-close seal assembly includes hydraulic cylinder 26, Ruo Ganmi
Joint sealing body locking member 27, fastener, fastener include several anchorage bars 28, adjusting bolt 29 and have contact with 210, the bottom of hydraulic cylinder 26
The piston rod of seat flexible connection lower box 22, hydraulic cylinder 26 is flexibly connected anchorage bar 28, and adjusting bolt 29 connects labyrinth seal face
Plate 24 and anchorage bar 28, the end of anchorage bar 28, which is respectively equipped with, has contact with 210, and seal case locking member 27 is equipped with for being correspondingly connected with
Have contact with 210 through-hole.
Labyrinth seal babinet 2 realizes sealing fastening, specially：It is bounced back by the piston rod of hydraulic cylinder 26, drives fastener
It opens, to realize the opening operation of upper box 21；By the stretching of the piston rod of hydraulic cylinder 26, fastener is driven to be closed, it is real
The closed procedure of existing upper box 21.
Have contact with 210 enables to lock when labyrinth seal structure is closed up and down with the cooperation of seal case locking member 27.Anchorage bar
28 are arranged in order setting, straight-bar can be used to pass through anchorage bar 28, make each 27 uniform force of seal case locking member.Adjusting bolt
29, by adjusting labyrinth seal panel 24 at a distance from anchorage bar 28, can adjust the elastic of seal case check lock lever, make labyrinth
The uniform force everywhere of sealing panel 24.
In drawing-off tank body 1, low-pressure steam admission line 5 is connected with 1 central bottom of drawing-off tank body, low-pressure steam air inlet pipe
After road 5 enters tank interior, there are multiple ventholes, venthole to be located at tow operation lower section on low-pressure steam admission line 5, and
Open Side Down for venthole, there is a perforated distributor above low-pressure steam admission line 5, keeps airflow field flowing uniform, avoids
Directly impact tow.Perforated distributor is horizontal positioned, is located at 25 5~20cm of lower section of tow operation channel, perforated distributor length
It is isometric with drawing-off tank body 1,1 5~30cm of diameter of perforated distributor width ＜ drawing-offs tank body.
1 labyrinth seal of drawing-off tank body, specially：It is 2000-2500mm that drawing-off tank body 1, which imports and exports each sealing area overall length,；
Each labyrinth seal region is imported and exported to be composed of 10-15 labyrinth seal panel 24；Labyrinth seal panel 24 is embedded in labyrinth
In seal case 2.
This kind of carbon fibre precursor high steam drafting machine, drawing-off tank body 1 seal for 4 formula of slit.Drawing-off tank body 1 cannot be upper and lower
It opens.The operation surface side of drawing-off tank body 1 is provided with 1 manhole 9, and 9 radius of manhole is in 30~50cm.Manhole 9 is mainly used for artificial clear
Manage the lousiness in drawing-off tank body 1 and on porous web.
24 installation method of labyrinth seal panel is：Metal gasket is housed between labyrinth seal panel 24 and labyrinth seal babinet 2,
Gasket plays the role of adjusting labyrinth seal clearance；Labyrinth seal panel 24 is pushed into from 2 card slot of labyrinth seal babinet successively, end
It is fastened with metal seals and sealed screw；There is high temperature resistant gasket to prevent gas leakage between sealed screw；Upper labyrinth seal structure is under
24 flank of tooth of labyrinth seal panel of labyrinth seal structure is just opposite two-by-two, and groove is just opposite with groove.
Labyrinth seal panel 24 is preferably stainless steel；24 flank of tooth of labyrinth seal panel and the polishing of groove domestic demand, it is bright and clean
Degree requires as mirror finish, Ra ＜ 0.02mm；The sealed screw 212 of fixed labyrinth seal panel 24 is preferably hard carbon steel
Matter, temperature distortion is small, selects the easy temperature distortion of stainless steel to cause stripped thread stuck, so as to cause non-dismountable；Labyrinth seal face
24 Gear shape process flatness requirement of plate≤0.05mm, 24 back side of labyrinth seal panel process flatness requirement≤0.05mm.
Before use, upper labyrinth seal structure carries out clearance check with lower labyrinth seal structure ensures uniformity.
The design of 1 air pressure security seal of drawing-off tank body is as follows：Pressure gauge 15 and thermometer 16, temperature are housed on drawing-off tank body 1
It is shown with the incoming PLC control rooms of pressure signal.The hydraulic open-close seal assembly company of pressure sensitive display controller, seal case
Lock, as pressure ＞ 0bar in drawing-off tank body 1, labyrinth seal babinet 2 cannot be opened, as pressure=0bar in drawing-off tank body 1,
Indicator light switchs to green by red on operation console, and labyrinth seal babinet 2 can be opened.
It will be appreciated that above-described embodiment is only the preferred embodiment of the present invention, not limit the scope of the invention according to this,
Protection scope of the present invention is only by claims limited, thus：It is all structures under this invention, shape, equivalent made by principle
Variation, is covered by within protection scope of the present invention.
Embodiments of the present invention are described in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode, technical field those of ordinary skill within the scope of knowledge, present inventive concept can also not departed from
Under the premise of make a variety of changes.
Claims (5)
1. a kind of carbon fibre precursor high steam drafting machine, it is characterised in that：Including drawing-off tank body, labyrinth seal babinet, drawing-off
Tank body be equipped with for tow by slit, bottom is equipped with low-pressure steam admission line, low-pressure steam air inlet pipe in drawing-off tank body
The top in road is equipped with perforated distributor, and the inlet end and an outlet end of drawing-off tank body is respectively equipped with labyrinth seal babinet, labyrinth seal
Upper labyrinth seal structure and lower labyrinth seal structure are equipped in babinet, being equipped with gap between upper and lower labyrinth seal structure forms tow
Channel is run, low-pressure steam admission line is equipped with several ventholes, and venthole is set to the lower section of tow, and venthole is towards drawing-off
The bottom of tank body, upper labyrinth seal structure and lower labyrinth seal structure respectively include several labyrinth seal panels being arranged,
Upper and lower labyrinth seal panel is symmetrical arranged the flank of tooth and groove, and the inlet and outlet of labyrinth seal babinet are equipped with sub-wire device, labyrinth box
The inlet and outlet of body are additionally provided with the suspended hood for exudation excessive gas to be sucked out, and suspended hood is connected to air intake duct；Labyrinth seal babinet
Frame is equipped with side slot, and sealing rubber strip is equipped in the slot of side, and labyrinth seal babinet uses openable labyrinth seal babinet, labyrinth close
Joint sealing body is controlled by controller and is opened, and labyrinth seal babinet includes upper box and lower box, and upper labyrinth seal is equipped in upper box
Structure, is equipped with lower labyrinth seal structure in lower box, and the side of upper box and lower box is flexibly connected by connecting shaft；Labyrinth is close
Joint sealing body is equipped with hydraulic open-close seal assembly, and hydraulic open-close seal assembly includes hydraulic cylinder, several seal case locking members, fastening
Part, fastener include several anchorage bars, adjusting bolt and have contact with, and the pedestal of hydraulic cylinder is flexibly connected lower box, the work of hydraulic cylinder
Stopper rod is flexibly connected anchorage bar, and adjusting bolt connects labyrinth seal panel and anchorage bar, and the end of anchorage bar, which is respectively equipped with, has contact with,
Seal case locking member is equipped with for being correspondingly connected with the through-hole having contact with.
2. carbon fibre precursor high steam drafting machine as described in claim 1, it is characterised in that：The tooth of upper labyrinth seal structure
The flank of tooth of face and lower labyrinth seal structure is opposite one by one, the groove one of the groove of upper labyrinth seal structure and lower labyrinth seal structure
One is opposite, ensures steam pressurize ability.
3. carbon fibre precursor high steam drafting machine as described in claim 1, it is characterised in that：Drawing-off tank body, labyrinth seal
Heat-preservation cotton is wrapped up outside babinet respectively, the side of labyrinth seal babinet is equipped with protective baffle plate, and labyrinth seal babinet is set to bedframe
On, babinet and bedframe can move on the slide rail.
4. carbon fibre precursor high steam drafting machine as described in claim 1, it is characterised in that：Labyrinth seal babinet passes through close
Screw, sealing nut fixation labyrinth seal panel are sealed, high temperature resistant gasket is equipped between sealing nut and labyrinth seal babinet, labyrinth is close
The metal gasket that channel height is run for adjusting tow is equipped between cover board and labyrinth seal babinet.
5. carbon fibre precursor high steam drafting machine as described in claim 1, it is characterised in that：Upper and lower labyrinth seal structure
Inductor is equipped at faying face, the switching control pilot of inductor and low-pressure steam admission line is chain, incomplete in drawing-off tank body
When closing, the switching control pilot of low-pressure steam admission line is closed, and makes that steam cannot be passed through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135311.8A CN105970358B (en) | 2016-03-10 | 2016-03-10 | Carbon fibre precursor high steam drafting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135311.8A CN105970358B (en) | 2016-03-10 | 2016-03-10 | Carbon fibre precursor high steam drafting machine |
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| CN105970358A CN105970358A (en) | 2016-09-28 |
| CN105970358B true CN105970358B (en) | 2018-07-31 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108588869A (en) * | 2018-03-16 | 2018-09-28 | 常熟市翔鹰特纤有限公司 | A kind of steam bath hot gas spring system and hot gas spring method |
| CN110592762B (en) * | 2019-09-17 | 2021-01-15 | 中国科学院山西煤炭化学研究所 | Fiber tow treatment device and method |
| CN111876834B (en) * | 2020-07-21 | 2021-10-26 | 慈溪市江南化纤有限公司 | Composite fiber processing method |
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| US4671950A (en) * | 1984-11-14 | 1987-06-09 | Toho Beslon Co., Ltd. | High-strength carbonaceous fiber |
| CN101235568A (en) * | 2007-01-31 | 2008-08-06 | 中国科学院化学研究所 | Polyacrylonitrile fiber steam drafting device and sealing method for the device |
| CN102061531A (en) * | 2010-12-03 | 2011-05-18 | 西安航科等离子体科技有限公司 | Fiber pressure-retaining drawing device under pressurized steam |
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| CN205635891U (en) * | 2016-03-10 | 2016-10-12 | 江苏恒神股份有限公司 | Novel carbon fibre precursor high pressure steam draft machine |
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|---|---|---|---|---|
| JP2590620B2 (en) * | 1990-05-21 | 1997-03-12 | 東レ株式会社 | Carbon fiber production method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4671950A (en) * | 1984-11-14 | 1987-06-09 | Toho Beslon Co., Ltd. | High-strength carbonaceous fiber |
| CN101235568A (en) * | 2007-01-31 | 2008-08-06 | 中国科学院化学研究所 | Polyacrylonitrile fiber steam drafting device and sealing method for the device |
| CN102061531A (en) * | 2010-12-03 | 2011-05-18 | 西安航科等离子体科技有限公司 | Fiber pressure-retaining drawing device under pressurized steam |
| CN103354850A (en) * | 2011-02-10 | 2013-10-16 | 三菱丽阳株式会社 | Device for treating carbon-fiber-precursor acrylic yarn with pressurized steam, and process for producing acrylic yarn |
| CN103764891A (en) * | 2011-08-22 | 2014-04-30 | 三菱丽阳株式会社 | Steam drawing device |
| CN205635891U (en) * | 2016-03-10 | 2016-10-12 | 江苏恒神股份有限公司 | Novel carbon fibre precursor high pressure steam draft machine |
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| CN105970358A (en) | 2016-09-28 |
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