CN104120498B - A kind of drawing-off/be dried silk device - Google Patents
A kind of drawing-off/be dried silk device Download PDFInfo
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- CN104120498B CN104120498B CN201410136432.5A CN201410136432A CN104120498B CN 104120498 B CN104120498 B CN 104120498B CN 201410136432 A CN201410136432 A CN 201410136432A CN 104120498 B CN104120498 B CN 104120498B
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- hot plate
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Abstract
nullThe present invention relates to a kind of drawing-off/dry silk device，Including at least one pair of match for being dried the hot plate of tow and being arranged on the multiple independent draw roll for drawing-off tow driven at the interval of the hot plate matched，Described draw roll is cylindrical structural，Divide two rows，Two row's draw roll are parallel staggered，The pair of hot plate is divided into the most each one，Rectangular teeth it is provided with on each，The interlaced engagement of rectangular teeth on hot plate up and down，Multi-roll drafting machine is combined as a whole by the present invention with drafting heat box，Reduce equipment manufacturing cost and floor space，Use liquid heat medium，Overcome the defect that heat content in hot air circulation is low，Reduce the wind interference to tow，Homogeneous temperature、Stable，Improve vapor concentration，Improve drawing-off/drying efficiency and effect，Effectively reduce and reclaim load and energy consumption，As required，The present invention can be used for the drawing-off of silk，Can also be used for being dried of silk，The drawing-off of silk can also be realized during being dried，And multiple stage can be applied in combination by the present invention.
Description
Technical field
The present invention relates to chemical fiber machinery field, especially relate to a kind of drawing-off/dry silk device, integrated multi-roll drafting machine
Function with drafting heat box.
Background technology
In the production process of chemical fibre, the drawing-off of silk and to be dried be very important link, such as melted spin terylene,
Polypropylene, has corresponding draft process and equipment；And the acrylon that solution spins, viscose rayon, not only need drawing-off, but also
Relate to be dried.Relative to conventional fibre, the drawing-off of high-performance fiber and the requirement of dry counter extensioin and drying equipment more
Harshness, such as high-performance polyethylene fibres, need in dry link that time of staying length, equipment are airtight, air quantity is little, in order to
Be dried completely, do not leak containing solvent gas, organic efficiency high；Drafting machine rotating speed is needed steadily, accurately in drafting process,
Drafting heat box homogeneous temperature, stable.For realizing above-mentioned technique needs, professionals in the field carries out substantial amounts of research, becomes
Merit develops the characteristic equipment of various tool, and is applied in practice produces.
The such as drying equipment used in production process of viscose fiber, is to have for a pair certain angle to arrange each other
, be relatively large in diameter, longer cylindrical hot-rolling, when hot-rolling is rotated by this, silk can be walked number the most twist
Circle is dried.This equipment is primarily adapted for use in being dried of aqueous silk, and being dried produced water vapour will not have environment
Evil impact；If containing organic liquid in silk, then needing equipment is proposed tight requirements, this kind of equipment cannot meet needs.
In patent CN20098533Y, disclose a kind of perpendicular row drying baker, utilize the spacing lengthening godet, increase silk
The stroke of bundle, utilizes the hot blast of Wind Volume to be dried silk.Although this kind equipment efficiently solves hot tank internal temperature not
Uniform problem, but use the hot air of Wind Volume, it will and the concentration causing solvent vapour is on the low side, after being unfavorable for
The separation in road and recovery, and after this equipment increases godet quantity further, equipment size will increase, and will cause wind
Uniform distribution be affected.
In patent CN101135535A, disclose a kind of hot air drier, by extending the spacing of godet, increase
Tow stroke, but this invention employs 2 upper and lower 2 row's godets of motor drag, there is asking of godet velocity deviation
Topic, and this hot tank is still and uses the hot blast of Wind Volume to be dried silk, is unfavorable for the recovery of solvent, exists with aforementioned
Invent identical problem.
It is above the substantially introduction about current fiber drying equipment, brief description draft apparatus the most again.
Most commonly used in PET production is, with some, hot-rolling realizes drawing-off, speed can reach thousands of rice/
Minute, this kind of equipment is applicable to rate of deformation comparatively fast, and the macromolecular material that drafting tension is relatively low, such as polyester POY are long
The drawing-off of the conventional chemical fibre such as silk, polypropylene, chinlon, and the drawing-off of chopped fiber and high strength yarn needs use multi-roll drafting machine and lead
Stretch hot tank with the use of.
In patent CN101144199A and patent CN201077870Y, such as respectively disclose a kind of high-module high-strength polyethylene fine
Dimension double air channel drafting heat box, is used hot-air as heating agent, uses blower fan directly to be heated by silk by strong convection.This kind of set
Standby must account for being uniformly distributed of wind when design, guarantee temperature uniform, also need in view of air heat simultaneously
The defect that enthalpy is the lowest, the most this kind of device structure is complicated and it is necessary to and drafting machine is with the use of, such as seven roller drafting machines.
A kind of seven are all disclosed in patent CN200710133409.0, CN200720042564.7, CN200420049661.5
(5) roller drafting machine, ensures that from the design of various structures it rotates steady with accurately, and its use principle is by multiple
Parallel drafting roller increases the frictional force to tow, it is ensured that tow does not produce slip when drawing-off.
Above-mentioned draft apparatus in use, is all at least one drafting machine of each configuration before and after drafting heat box, utilizes drafting machine
Speed difference, it is achieved the drawing-off to tow.The use principle of this kind of hot tank and drafting machine does not all change, be only design and
Being improved on level of processing, if needing multiple tracks drawing-off in technique, then tow can not during one drawing-off under entering
That avoids is cooled, then enters back into hot tank and is heated, not only causes heat loss, and counter extensioin is unfavorable.
Especially it is noted that disclose the baking oven of a kind of drawing fibres at elevated temp in patent CN100379914C, its
The difference maximum with aforesaid dry hot tank is being independent driving with the godet in baking oven, thus may be implemented in tow
Can be with drawing-off time dry.But this hot tank still uses Wind Volume Hot-blast Heating, stably leads in temperature homogeneity and to tow
Stretch and all can produce impact.
Given this present invention is proposed.
Summary of the invention
The purpose of the present invention is for overcoming the deficiencies in the prior art, it is provided that a kind of drawing-off/be dried silk device, generalization dexterously
The multi-roll drafting machine in fine field is combined as a whole with drafting heat box, reduces equipment manufacturing cost and floor space, uses liquid heat
Matchmaker, overcomes the low defect of heat content that hot air circulation draw box exists, not only homogeneous temperature, stable, and reduces wind
Interference to tow, can be greatly improved vapor concentration, improve drawing-off/drying efficiency and effect, have when dry tow
Effect reduces recovery load and energy consumption, can be according to technique needs, and the present invention can be used for the drawing-off of silk, also can be used for the dry of silk
Dry, the drawing-off of silk can be realized during being dried, and multiple stage can be applied in combination by the present invention.
In order to realize this purpose, the present invention adopts the following technical scheme that
A kind of drawing-off/be dried silk device, this device includes at least one pair of hot plate for being dried tow matched, and sets
Put the multiple independent draw roll for drawing-off tow driven at the interval of the hot plate matched.
Described draw roll is cylindrical structural, and point two rows, two row's draw roll are parallel staggered, same row's draw roll
In the centre-to-centre spacing of adjacent two draw roll more than or equal to 2 times of roller footpaths, preferably 2 times roller footpaths；The pair of hot plate is divided into up and down
Each one, each on be provided with rectangular teeth, the interlaced engagement of rectangular teeth on upper and lower hot plate, tooth centre-to-centre spacing and drawing-off
Roller centre-to-centre spacing is identical.
Described hot plate is the square tooth-shape structure of hollow, and on it, one end is provided with the Heating medium entered for heating agent, the other end
It is provided with the heating agent outlet discharged for heating agent, the rectangular teeth engagement of two hot plates, leaves between two rectangular teeths after engagement for silk
The passage that bundle passes through.
Described hot plate is internal is the cavity identical with external surface shape, and in cavity, each tooth root position of center line is equipped with and leads
Stream plate, deflector is rectangle, parallel with the flank of tooth, and its width is identical with hot plate thickness, preferably the length specific heat of deflector
Between little 20mm～500mm of plate height, further preferably length little 50mm～200mm of specific heat plate height of deflector.
The centrage of adjacent two teeth groove of described same hot plate overlaps with the tooth centrage of another block hot plate, upper and lower two hot plate phases
The spacing of adjacent two flank of tooth is between 5mm～100mm, preferably between 10mm～50mm.
It is provided with draw roll at the teeth groove of described hot plate and the interval at rectangular teeth top, and each draw roll central point is same
On one hot plate two backlash centrage, its upper surface and wherein a hot plate tooth root distance are between 5mm～100mm, excellent
Being selected between 10mm～50mm, its lower surface and an other hot plate tooth end face distance are between 5mm～500mm, excellent
It is selected between 50mm～300mm.
The tow import entered for tow and the tow outlet discharged for tow it is provided with, away from tow inside device on this device
Within in region between import 500mm and tow outlet 500mm position, each point temperature difference can be controlled in 2.0 DEG C, often
The temperature fluctuation of individual point can be controlled in ± 1.0 DEG C, and the temperature fluctuation of the most each point can be controlled in ± 0.1 DEG C.
This device tow import described and tow exit position are provided around air inlet, are provided with air entry in the middle part of this device.
Described heating agent is liquid heat medium, and described heating agent time of staying in hot plate cavity is less than or equal to 5min, the least
In equal to 2min, more preferably less than equal to 45s.
It is provided with heat insulation layer outside this device.
After using technical solutions according to the invention, bring following beneficial effect: dexterously by the multiple roll drawing-off in chemical fibre field
Machine is combined as a whole with drafting heat box, reduces equipment manufacturing cost and floor space, uses liquid heat medium, overcomes hot blast and follow
The low defect of heat content that ring draw box exists, not only homogeneous temperature, stable, and reduce the wind interference to tow,
Vapor concentration can be greatly improved when being dried tow, improve drawing-off/drying efficiency and effect, effectively reduce recovery load
And energy consumption, can be according to technique needs, the present invention can be used for the drawing-off of silk, also can be used for being dried of silk, can be dry
During realize the drawing-off of silk, and multiple stage can be applied in combination by the present invention.
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1: drawing-off of the present invention/be dried silk apparatus structure schematic diagram
Wherein: 1, draw roll, 2, upper hot plate, 3, lower hot plate, 4, upper hot plate Heating medium, 5, upper hot plate heating agent
Outlet, 6, lower hot plate import, 7, lower platen outlet, 8, deflector, 9, air inlet, 10, air entry, 11, silk
Bundle, 12, tow import, 13, tow outlet, 14, passage.
Detailed description of the invention
As it is shown in figure 1, a kind of drawing-off of the present invention/it being dried silk device, this device includes at least one pair of use matched
In upper hot plate 2 and the lower hot plate 3 of dry tow, and it is arranged on what the multiple independences at the interval of the hot plate matched drove
Draw roll 1 for drawing-off tow.
Described draw roll 1 is cylindrical structural, and point two rows, two row's draw roll are parallel staggered, same row's drawing-off
In roller 1, the centre-to-centre spacing of adjacent two draw roll 1 is more than or equal to 2 times of roller footpaths, preferably 2 times roller footpaths；The pair of hot plate divides
For the most each one, each on be provided with rectangular teeth, the interlaced engagement of rectangular teeth on each hot plate, tooth centre-to-centre spacing
Identical with draw roll 1 centre-to-centre spacing.
Described upper hot plate 2 and lower hot plate 3 are the square tooth-shape structure of hollow, and on it, one end is provided with for heating agent entrance
Heating medium, the other end is provided with the heating agent outlet discharged for heating agent, the rectangular teeth engagement of two hot plates, two squares after engagement
The passage 14 passed through for tow 11 is left between shape tooth.
Described hot plate is internal is the cavity identical with external surface shape, and in cavity, each tooth root position of center line is equipped with and leads
Stream plate 8, it is ensured that heating agent does not produce dead band when hot plate internal flow, and deflector 8 is rectangle, parallel with the flank of tooth, its
Width is identical with hot plate thickness, between preferably length little 20mm～500mm of specific heat plate height of deflector, further preferably leads
Length little 50mm～200mm of specific heat plate height of stream plate 8.
The centrage of adjacent two teeth groove of described same hot plate overlaps with the tooth centrage of another block hot plate, upper and lower two hot plate phases
The spacing of adjacent two flank of tooth is between 5mm～100mm, preferably between 10mm～50mm.
Draw roll 1, and each draw roll 1 central point it is provided with at the teeth groove of described hot plate and the interval at rectangular teeth top
On the centrage of same hot plate two backlash, its upper surface and wherein a hot plate tooth root distance between 5mm～100mm,
Preferably between 10mm～50mm, its lower surface and an other hot plate tooth end face distance are between 5mm～500mm,
Preferably between 50mm～300mm.The width of hot plate is equal or slightly larger than the length of draw roll, the most not serious offense
500mm, the most not greater than 200mm.
The tow import 12 entered for tow 11 and the tow outlet 13 discharged for tow 11, dress it is provided with on this device
Put each point temperature difference in the region between the 500mm position of the internal 500mm away from tow import 12 and tow outlet 13
Within caning be controlled in 2.0 DEG C, the temperature fluctuation of each point can be controlled in ± 1.0 DEG C, and the temperature fluctuation of the most each point is controlled
System is at ± 0.1 DEG C.
This device tow import 12 described and tow export 13 positions and are provided around air inlet 9, are provided with suction in the middle part of this device
QI KOU 10.During work, hot blast enters this device from air inlet, is drawn out of from air entry, both can reduce device further
Internal difference in temperature, can strengthen again the ability of anti-external environment condition interference, it is also possible to by waving of producing in tow drawing-off/dry run
Volatile material is taken away, it is to avoid it is at device accumulated inside.
Described heating agent is liquid heat medium, for reducing internal difference in temperature must be requested that heating agent is in hot plate internal quickly flowing, institute
State heating agent in hot plate cavity the time of staying less than or equal to 5min, preferably smaller than equal to 2min, more preferably less than equal to 45s.
It is provided with heat insulation layer outside this device.Increase safety, reduce thermal loss, reduce energy consumption.
During use, tow 11 sequentially pass through ranked first draw roll, passage 14, under ranked first draw roll, a passage
14, ranked second on draw roll, passage 14, under ranked second a draw roll, by that analogy, finally from upper row last
Draw roll goes out, and passage 14 is the heat affected zone of tow, has liquid heat medium in the cavity of upper and lower hot plate, will by heat radiation
Heat is radiated in passage 14, thus adds the tow 11 in the passage of heat 14.
Multiple stage said apparatus can be applied in combination by the present invention.Tow outlet and next tow device of a upper table apparatus
Tow import is connected, thus extends drawing-off stroke and dry trip.
Embodiment one
As it is shown in figure 1, this example designs 21 independent draw roll 1 driven altogether, for the parallel arrangement that is staggered of two rows,
Wherein upper row 11, lower row 10, the long 280mm of roller, roller footpath 200mm, adjacent 2 the draw roll centers of same row
Away from for 400mm, lower row's draw roll and upper row's draw roll are staggered 200mm, and two rows draw roll centre-height is apart
1500mm, filament inlet is located at and ranked first at a draw roll, and tow exports at last draw roll of the row of being located at.
Hot plate is divided into upper and lower two pieces, is square profile of tooth, under upper hot plate teeth directional, on lower hot plate teeth directional, interlaced ratcheting.
Wherein, upper hot plate has 10 rectangular teeths, and lower hot plate has 11 rectangular teeths.Hot plate height 1450mm, thick 330mm,
Height of teeth root 200mm, the long 1250mm of tooth, facewidth 150mm, tooth centre-to-centre spacing is 400mm.Upper hot plate 2 tooth root is away from upper
Row draw roll 1 upper surface 50mm, arranges draw roll 1 upper surface 300mm under increment identity distance, lower hot plate 3 tooth root is away from lower row
Draw roll 1 lower surface 50mm, increment identity distance is arranged draw roll 1 lower surface 300mm.
Hot plate is internal is square profile of tooth cavity, identical with hot plate external surface shape, at cavity inside each tooth root position of center line
It is provided with the deflector 8 of rectangle.Deflector 8 width is 330m, identical with hot plate lumen width, a length of 1350mm,
The little 100mm of specific heat plate height.
Upper hot plate 2 is provided with hot plate Heating medium 4 near tow import 12, exports at tow and is provided with hot plate at 13
Heating agent outlet 5.Being provided with air inlet 9 near this device tow import 12, tow outlet 13, upper Middle face is provided with air-breathing
Mouth 10, outside is provided with 60mm thick insulation layer.
After tested, respectively toward the heating agent that to be passed through flow in upper and lower hot plate be 60m3/h, temperature is 120 ± 0.2 DEG C, detection is each
Individual some temperature fluctuation is ± 0.2 DEG C, and in effective range, maximum temperature difference is 1.8 DEG C.
In use, tow sequentially pass through ranked first draw roll, under ranked first a draw roll, on ranked second a drawing-off
Roller, under ranked second draw roll, by that analogy, finally go out from last draw roll of upper row, 20 road drawing-offs can be realized,
Total kilometres are up to 36280mm.
The foregoing is only the preferred embodiment of the present invention, it is noted that for the ordinary skill in the art,
Without departing from the principles of the present invention, it is also possible to make various deformation and improvement, this also should be considered as the protection of the present invention
Scope.
Claims (10)
1. a drawing-off/be dried silk device, it is characterised in that: this device include that at least one pair of matches for being dried
The hot plate of tow, and it is arranged on the multiple independent drawing-off for drawing-off tow driven at the interval of the hot plate matched
Roller；A pair hot plate is divided into the most each one, and each hot plate is provided with rectangular teeth, and the rectangular teeth of upper and lower hot plate is mutually handed over
Wrong engagement, described draw roll is cylindrical structural, and point two rows, two row's draw roll are parallel staggered, and same row leads
Stretch the centre-to-centre spacing of adjacent two draw roll in roller and be more than or equal to 2 times of roller footpaths.
A kind of drawing-off the most according to claim 1/be dried silk device, it is characterised in that: in same row's draw roll
The centre-to-centre spacing of adjacent two draw roll is 2 times of roller footpaths；Tooth centre-to-centre spacing is identical with draw roll centre-to-centre spacing.
A kind of drawing-off the most according to claim 2/be dried silk device, it is characterised in that: during described hot plate is
Empty square tooth-shape structure, on it, one end is provided with the Heating medium entered for heating agent, and the other end is provided with for heating agent discharge
Heating agent exports, the rectangular teeth engagement of two hot plates, leaves the passage passed through for tow between two rectangular teeths after engagement.
A kind of drawing-off the most according to claim 3/be dried silk device, it is characterised in that: inside described hot plate
For the cavity identical with external surface shape, in cavity, each tooth root position of center line is equipped with deflector, and deflector is rectangular
Shape, parallel with the flank of tooth, its width is identical with hot plate thickness.
A kind of drawing-off the most according to claim 4/be dried silk device, it is characterised in that: same hot plate adjacent two
The centrage of teeth groove overlaps with the tooth centrage of another block hot plate, the spacing of adjacent two flank of tooth of upper and lower two hot plates at 5mm～
Between 100mm.
A kind of drawing-off the most according to claim 5/be dried silk device, it is characterised in that: the tooth of described hot plate
It is provided with draw roll at the interval at groove and rectangular teeth top, and each draw roll central point is at center, same hot plate two backlash
On line, draw roll upper surface and wherein a hot plate tooth root distance are between 0mm～100mm, and draw roll lower surface is with another
An outer hot plate tooth end face distance is between 5mm～500mm.
A kind of drawing-off the most according to claim 1/be dried silk device, it is characterised in that: it is provided with on this device
The tow import entered for tow and the tow discharged for tow export, and go out away from tow import 0.5m and tow inside device
In region between mouthful 500mm position, each point temperature difference controls within 2.0 DEG C, the temperature fluctuation of each point control ±
1.0℃。
A kind of drawing-off the most according to claim 7/be dried silk device, it is characterised in that: this device tow described
Import and tow exit position are provided around air inlet, are provided with air entry in the middle part of this device.
A kind of drawing-off the most according to claim 3/be dried silk device, it is characterised in that: heating agent is liquid heat medium,
Described heating agent time of staying in hot plate cavity is less than or equal to 5min.
A kind of drawing-off the most according to claim 1/be dried silk device, it is characterised in that: it is provided with outside this device
Heat insulation layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410136432.5A CN104120498B (en) | 2013-04-24 | 2014-04-04 | A kind of drawing-off/be dried silk device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101463148 | 2013-04-24 | ||
| CN201310146314 | 2013-04-24 | ||
| CN201310146314.8 | 2013-04-24 | ||
| CN201410136432.5A CN104120498B (en) | 2013-04-24 | 2014-04-04 | A kind of drawing-off/be dried silk device |
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| CN104120498A CN104120498A (en) | 2014-10-29 |
| CN104120498B true CN104120498B (en) | 2017-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012520A (en) * | 2017-03-16 | 2017-08-04 | 于法周 | A kind of sub-wire drying plant of textile chemical fiber |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400156B (en) * | 2016-08-31 | 2019-04-23 | 义乌华鼎锦纶股份有限公司 | A kind of preparation method of high-strength flatness nylon-6 fiber |
| CN112921422B (en) * | 2021-01-20 | 2022-08-30 | 中国纺织科学研究院有限公司 | Hot box for drawing yarns |
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| CN203820955U (en) * | 2013-04-24 | 2014-09-10 | 中国纺织科学研究院 | Filament drawing and drying device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3300771B2 (en) * | 1993-01-19 | 2002-07-08 | 帝人製機株式会社 | Synthetic fiber yarn heating device |
| JP2004339637A (en) * | 2003-05-15 | 2004-12-02 | Teijin Techno Products Ltd | Apparatus and method for heat treatment of synthetic fiber |
| CN1590604A (en) * | 2003-09-03 | 2005-03-09 | 中国石油化工股份有限公司 | Drawing heat box device |
| CN201077870Y (en) * | 2007-08-29 | 2008-06-25 | 山东爱地高分子材料有限公司 | Ultra-high molecular mass northylen drafting heat box |
| CN201099711Y (en) * | 2007-09-29 | 2008-08-13 | 盐城市宏达纺织器材有限公司 | High modulus high-strength polyethylene fiber double air duct drafting hot box |
| CN201372328Y (en) * | 2009-01-09 | 2009-12-30 | 上海博迪纺织新材料有限公司 | Environmentally-friendly energy-saving multi-stage combined high-performance ultra hot-drafting device |
| CN201962442U (en) * | 2011-03-18 | 2011-09-07 | 江苏奥神新材料有限责任公司 | Cyclizing device for polyimide fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203820955U (en) * | 2013-04-24 | 2014-09-10 | 中国纺织科学研究院 | Filament drawing and drying device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012520A (en) * | 2017-03-16 | 2017-08-04 | 于法周 | A kind of sub-wire drying plant of textile chemical fiber |
| CN107012520B (en) * | 2017-03-16 | 2019-03-15 | 安徽省唯一纺织有限公司 | A kind of sub-wire drying equipment of textile chemical fiber |
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