CN103320882A - Fiber extraction device and fiber multi-stage extraction device - Google Patents
Fiber extraction device and fiber multi-stage extraction device Download PDFInfo
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- CN103320882A CN103320882A CN2012100773886A CN201210077388A CN103320882A CN 103320882 A CN103320882 A CN 103320882A CN 2012100773886 A CN2012100773886 A CN 2012100773886A CN 201210077388 A CN201210077388 A CN 201210077388A CN 103320882 A CN103320882 A CN 103320882A
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Abstract
The invention discloses a fiber extraction device and a fiber multi-stage extraction device, which comprises a motor and an extraction room (1), a small godet is arranged at a fiber inlet opening and a fiber outlet opening of the extraction room respectively, an extraction agent injection opening is formed in the side wall of the fiber outlet side of the extraction room, and an overflow opening is formed in the side wall of the fiber inlet side. The device provided by the invention is characterized in that one or more pairs of godets are arranged inside the extraction room, and the distance between each pair of godets is reduced from the mounting end (11) of the extraction room to the periphery of the rotation surface at the tail end (12) of the extraction room. According to the device, same extraction effect can be achieved while the number of the utilized godets is reduced, the volume of the extraction room is reduced, and the cost is lowered; the device is easy to control.
Description
Technical field
The invention belongs to chemical fibre manufacturing technology field, particularly relating to needs to use extracting process to remove the solvent-laden fibre abstraction device of institute and fiber multitple extraction device in the fiber in process of production.
Background technology
In the chemical fibre manufacturing, there is the part fiber to produce by the solwution method spinning, such as viscose, polyacrylonitrile fibre, high-tenacity polyethylene fibre, alginate fibre etc.Produce in the process at these fibers, have the part fiber to remove contained solvent in the as-spun fibre by extracting process, such as above-mentioned high-tenacity polyethylene fibre and medical alginate fibre.
In general, extraction need to consider effect of extracting and extraction cost, be specially extract time of staying (being extraction time) in extractant as far as possible long, and the ratio of extract and extractant (being the extraction bath ratio) is high as far as possible.Too large according to the volume of traditional extraction equipment that designs based on above-mentioned purpose, cost is high.Such as being fabricated to example with medical alginate fibre: in alginate fibre is produced, general spinning speed if consider effect of extracting and cost, supposes to be divided into three grades of extractions more than 10m/min, every grade of time of staying only is 1min, and then required extraction tank total length will reach more than the 30m; And the long fibre weight of a branch of 10m is only about 20g, and its cross-sectional area is less than 0.5cm
2, so the extraction tank sectional area is designed to 5cm
2Just more than sufficient.Obviously, not only thin but also long according to the equipment of such parameter designing, very inapplicable actual production.
Chinese patent CN201098564A, open August 13 2008 date, a kind of high-strength high-modulus polyethylene fibre multi-stage continuous extraction machine is disclosed, in this extracter in each extraction cell, fiber enters the extraction cell bottom by godet roller downwards by the extraction cell upper end, upwards derive from the extraction cell opening by godet roller again, and then enter next extraction cell.Fiber orientation increases the walking distance of fiber in each extraction cell to this device in each extraction cell by changing, but because each godet roller all is axially parallel setting, therefore the mass of fibers tow can only form a silk road on godet roller, the walking distance is still limited, so in order to reach the effect of extracting of expection, can only increase the extraction cell number, but so just increased cost, and to allow the silk between each godet roller produce tension force, the rotating speed of a roller is a little faster than last roller after must making, but need the speed difference between per two rollers to fix, if godet roller quantity is many, be difficult to the control that the realization speed difference equates, also relatively increased the cost of device, and will reach the expection effect of extracting, will increase extraction cell quantity according to the above analysis, namely increase godet roller quantity, also can increase Solvent quantity, these also all can cause cost to raise.
In addition, Chinese patent CN201190199A, open February 4 2009 date, extraction equipment and a multitple extraction device for the production of polyethylene fiber are disclosed, in this device, design the spaced godet roller of two row in an extraction tank, fiber is successively alternately by these godet rollers, makes the fiber "the" shape that walks up and down in every one-level extraction tank.This patent and above-mentioned patent have Similar Problems, namely can only form a silk road between per two godet rollers, can only increase by increasing godet roller quantity the walking distance of silk, cause godet roller quantity many, and the extraction cell volume is large, and is wayward, and cost is very high.
In view of this, special proposition the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, thereby a kind of extraction equipment simple in structure satisfying the quantity reduction extraction cost that reduces the extraction equipment volume under the prerequisite of effect of extracting, reduces godet roller is provided.
For solving the problems of the technologies described above, the present invention adopts the basic conception of technical scheme to be:
A kind of fibre abstraction device, comprise motor, extraction cell, filament inlet and filament mouth place are provided with respectively little godet roller in the extraction cell, wire vent side sidewall at extraction cell is established the extractant inlet, enter a thread side sidewall slightly a lower position establish again an overfall, it is characterized in that: be provided with at least one pair of seal wire pair roller in the extraction cell, the seal wire pair roller is reduced gradually by the installation end of the extraction cell spacing to the terminal surfaces of revolution outer rim of extraction cell.
A kind of scheme is: described a pair of seal wire pair roller is second roller and the first roller, and second roller and the first roller are isometrical roller, and the angle between the axis of second roller and the first roller is acute angle.
Preferably, described angle is between 1 °～45 °, and is more excellent between 3 °～25 °, optimum between 5 °～15 °.
Preferably, the diameter of second roller is less than the diameter of the first roller, and the first roller is drive roll, and second roller is driven roll.
Preferably, the diameter of second roller is 1/30～1/1.5 times of the first roller diameter, and more excellent is 1/20～1/2 times, and optimum is 1/10～1/3 times.
Another kind of scheme is: described a pair of seal wire pair roller is second roller and the first roller, and second roller is isometrical roller, and the first roller is the truncated cone roller, and the axis of second roller and the first roller is parallel to each other; Perhaps, the first roller is isometrical roller, and second roller is the truncated cone roller, and the axis of second roller and the first roller is parallel to each other.
Preferably, extraction cell filament mouth place is provided with the second little godet roller, and when the second little godet roller had fiber to pass through, fiber was 0.7～0.9 times of second roller length to the distance between the adjacent end of the installation end of second roller and extraction cell.
The invention also discloses a kind of fiber multitple extraction device, comprise any one described fibre abstraction device in a plurality of claim 1-5 and 7, the corresponding setting of filament inlet of the filament mouth of every last extraction cell and a rear extraction cell, make last extraction cell filament mouth simultaneously as a rear extraction cell filament inlet, the overfall of every rear extraction cell and the corresponding setting of extractant inlet of last extraction cell.
Preferably, comprise 1～10 fibre abstraction device; Further preferably include 2～7 fibre abstraction devices; Further preferably include 3～5 fibre abstraction devices.
The invention also discloses a kind of fiber multitple extraction device, comprise a plurality of fibre abstraction devices claimed in claim 6, the corresponding setting of filament inlet of the filament mouth of every last extraction cell and a rear extraction cell, every after the overfall of an extraction cell and the corresponding setting of extractant inlet of last extraction cell.
Preferably, comprise 1～10 fibre abstraction device; Further preferably include 2～7 fibre abstraction devices; Further preferably include 3～5 fibre abstraction devices.
After adopting technique scheme, the present invention compared with prior art has following beneficial effect: the present invention utilizes between two godet rollers by installation end and reduces gradually to make the silk that enters extraction cell automatically to separate a plurality of roads by tension force to the spacing of terminal surfaces of revolution outer rim, thereby increased the walking distance in extraction cell, and when reducing the godet roller consumption, still can reach same effect of extracting, reduced the extraction cell volume, reduced cost, and easily control.
Description of drawings
Below in conjunction with accompanying drawing extraction equipment of the present invention is described in further detail.
Fig. 1 is the top view of the first extraction cell of the present invention;
Fig. 2 is the top view of the another kind of extraction cell of the present invention;
Fig. 3 is the top view of 3 grades of extraction equipments of fiber multitple extraction device of the present invention;
Fig. 4 is the front view of Fig. 3;
Fig. 5 is the top view of 4 grades of extraction equipments of fiber multitple extraction device of the present invention;
Fig. 6 is the front view of Fig. 5.
1. extraction cells wherein, 2. the first little godet roller, 3. the second little godet roller, 4. second roller, 5. the first roller, 6. fiber, the installation end of 11. extraction cells, the end of 12. extraction cells.
The specific embodiment
As depicted in figs. 1 and 2, a kind of fibre abstraction device comprises motor, a square extraction cell 1, or also can be other shapes, extraction cell 1 upward opening, and the bottom is provided with tap hole.In the inner position of extraction cell 1 opening left surface filament inlet is set, the outer position of opening right flank arranges filament mouth.At least one pair of seal wire pair roller and 2 little godet rollers are set in the extraction cell 1, wire vent side sidewall at extraction cell 1 is established the extractant inlet, enter a thread side sidewall slightly a lower position establish again an overfall, rise at the beginning, pure extractant enters extraction equipment by the extractant inlet of extraction cell 1, flow out from overfall, make extractant and fiber direct of travel be reverse flow.
Above-mentioned little godet roller, one is positioned at extraction cell 1 filament inlet position, is the first little godet roller 2, and its effect is the fiber that will be entered by extraction cell 1 outside by the filament inlet seal wire pair roller that leads downwards; Another is positioned at the filament mouth position, is the second little godet roller 3, and its effect is that fiber is derived by the seal wire pair roller.Be provided with at least one pair of seal wire pair roller in the extraction cell, the seal wire pair roller is reduced gradually by the installation end 11 of the extraction cell spacing to end 12 surfaces of revolution outer rims of extraction cell.
The below illustrates respectively the present invention according to the difformity of seal wire pair roller.
Such as Fig. 1, above-mentioned seal wire the pair roller cylindric or columned isometrical roller of respectively doing for oneself, be provided with a pair of seal wire pair roller in the extraction cell, described a pair of seal wire pair roller is the first roller 5 and second roller 4, there is angle between the axis of two rollers, this angle is acute angle, and the silk that enters like this can be divided into a plurality of roads automatically, and the utilization rate of godet roller is improved, when same effect of extracting can be realized, reduce the godet roller consumption, reduce the volume of extraction equipment, thereby reduced cost, simplify the structure, improved the extraction bath ratio, and because roller quantity is few, and just can automatically produce tension force by the angle of inclination between the two, easily control.
During use, in extraction cell 1, fill with required extractant; Then fiber is imported extraction equipment by extraction cell 1 filament inlet, extraction equipment is derived from the young godet roller of wire vent by section after the seal wire pair roller twines a few sub-wires within it, enters other links, or enters the next extraction cell of multitple extraction device.Originally, pure extractant enters extraction equipment according to calculated flow rate by the extractant inlet, flows out from extraction cell 1 overfall.
Two roller angles are preferably between 1 °～45 °, more excellent between 3 °～25 °, optimum between 5 °～15 °, angle is different, and the silk road number of formation is just different, and the silk road that forms in this angular range is maximum, angle is too large, silk can all focus on the root of seal wire pair roller, and angle is too little, and silk is inseparable.
The diameter of second roller 4 is less than the diameter of the first roller 5, and the first roller 5 is drive roll, and second roller 4 is driven roll.For the drive that makes the drive roll that connects motor large, the friction of driven roll and tow is little, the diameter of second roller 4 is less than the diameter of the first roller 5 that connects motor, the diameter that can make as required second roller 4 is 1/30～1/1.5 times of diameter of the first roller 5, more excellent is 1/20～1/2 times, and optimum is 1/10～1/3 times.
Described second roller 4 and the first roller 5 isometric the bests can take full advantage of roller long like this, if a roller is long, a roller is short, has then wasted the partial-length of long roller.
As required, the seal wire pair roller is that the roller length of second roller 4 and the first roller 5 can be between 100mm～500mm, and diameter can specifically be decided on fibre number between 100mm～300mm, and fibre number is larger, and roller diameter and length are larger.
Preferred second roller 4 and the first roller 5 are isometric, extraction cell filament mouth place is provided with the second little godet roller 3, when the second little godet roller 3 has fiber 6 to pass through, fiber 6 is A to the distance between the adjacent end of the installation end 11 of second roller 5 and extraction cell, see Fig. 1, the length of this distance A is 0.7～0.9 times of second roller 5 length.Can take full advantage of roller so long, the roller of avoiding waste is long.
As required, make long 0.7～1.5 meter of extraction cell 1, wide 0.3～0.8 meter, dark 0.3～0.8 meter all can, other sizes are easily applicable.
In order further to guarantee effect of extracting, can consider to install additional on the first roller 5 tops with it consistent pressure roller of a length, before fiber enters next extraction cell 1 or goes out extraction equipment, remove wherein contained solvent (or solvent and extractant mixed liquor) of a part by extruding.
The seal wire pair roller is second roller 4 and the 5 best level settings of the first roller, prevents that silk from can glide.
As different from Example 1, can allow as shown in Figure 2 the first roller 5 be isometrical roller, second roller 4 is the truncated cone roller, and the spacing between such two roller roll surfaces also can be reduced to end gradually by installation end.Do not need to arrange angle in the present embodiment between two rollers, namely the axis of the first roller 5 and second roller 4 is parallel to each other again, and mounting process is simpler.
Perhaps, second roller 4 is isometrical roller, and the first roller 5 is the truncated cone roller, and the axis of the first roller 5 and second roller 4 is parallel to each other.
The present invention utilizes between two godet rollers by the installation end 11 of extraction cell to reduce gradually to make filament automatically to be divided into the principle in a plurality of roads to the spacing of end 12 surfaces of revolution outer rims of extraction cell; therefore except above-described embodiment, other distressed structures that meet this theory also belong to protection scope of the present invention.
In addition, the present invention also provides a kind of fiber multitple extraction device, comprise a plurality of above-mentioned fibre abstraction devices, the corresponding setting of filament inlet of the filament mouth of every last extraction cell 1 and a rear extraction cell 1, make the filament mouth of last extraction cell 1 simultaneously as a rear extraction cell 1 filament inlet, the overfall of every rear extraction cell 1 and the corresponding setting of extractant inlet of last extraction cell 1 can circulate extractant step by step.
During use, pure extractant enters extraction equipment by the extractant inlet of last extraction cell 1, flow out to previous extraction cell 1 from the overfall of a rear extraction cell 1, make extractant be reverse flow with the fiber direct of travel between each extraction cell 1, final mixed liquor flows out extraction equipment from this overfall.
The various embodiments of above-mentioned extraction cell can be made such multitple extraction device, and following each extraction cell 1 is just the same to further specify the present invention.Such as Fig. 3-Fig. 6, said just the same comprising of this moment, extraction cell 1 size, shape are consistent, the seal wire pair roller in each extraction cell 1 is isometric, setting position is consistent, the filament inlet of each extraction cell 1, filament mouth setting position are consistent respectively, but the extractant inlet of last extraction cell 1 should with the overfall of a rear extraction cell 1 with high, form the stepped trend that overfall height from back to front reduces gradually.
This embodiment can make the setting of staggering of a plurality of extraction cells 1 front and back, so that previous extraction cell 1 filament mouth is rear extraction cell 1 filament inlet simultaneously, the filament mouth of the last extraction cell 1 of guarantee of only staggering is corresponding with the filament inlet of a rear extraction cell 1, the corresponding setting of extractant inlet of the overfall of a rear extraction cell 1 and last extraction cell 1.
In order to prove advantage of the present invention, especially exemplified by the example explanation.
The present embodiment mainly is applicable to medical alginate fibre extraction dehydration.
Alginate fibre is after utilizing water that sodium alginate is made spinning solution, makes thread and solidify out into fiber in calcium chloride water through device for spinning, and its main component is calcium alginate and sodium alginate.Because it has good biocompatibility and antibiotic property, and easily being absorbed by health, is a kind of ideal medical material therefore.
The alginate fibre spinning speed is 10m/min, and fiber number is 18000d, requires moisture in the fiber≤5% after the extraction.
Before design, show through experiment, acetone extracts fully that the moisture shortest time is 1min in the alginate fibre, and therefore according to its production characteristics and requirement, the present embodiment is provided with seal cover shown in rear accompanying drawing 1,2, and the specific design parameter is as follows:
The long 300mm of the used seal wire pair roller of extraction equipment, wherein big roller 5 is drive roll, diameter 300mm; Pony roll 4 is driven roll, diameter 50mm; Big roller 5 is 450mm with the centre distance of the installation site of pony roll 4, and its circumferential edges is 87.5mm apart from 1 liang of lateral extent of extraction cell, and wherein big roller 5 centre-heights are 250mm, and pony roll 4 centre-heights also are 250mm.For further strengthening dehydrating effect, on each big roller 5 top long 300mm pressure roller is housed all.
By above parameter, can calculate this extraction equipment parameters as follows:
1, total length only is: 800 * 3=2400mm (namely 2.4 meters);
2, overall width only is: 500 * 3+240 * 2=1980mm (namely 1.98 meters);
3, the gross area only is: 2.4 * 1.98 ≈ 4.75m
2
4, dischargeable capacity only is: 0.8 * 0.5 * (0.40+0.41+0.42)=0.492m
3(this result of calculation is not deducted the shared volumes such as seal wire pair roller);
5, fiber in seal wire pair roller winding 1 circle length is: 2 * (450
2-125
2)
0.5+ 150 * 2[π-arccos
-1(125/450)]+25 * 2arccos
-1(125/450) ≈ 1484mm;
In use, can twine at least 10 circles, then fiber is advanced in each extraction cell 1, and total distance is minimum to be: 10 * 1484=14.84m;
Then fiber the shortest extraction time in each extraction cell 1 is: 14.84/10=1.48min＞1min.
Before fiber enters extraction equipment, can utilize pressure roller to control its moisture about 55%, inject pure acetone with the 70g/min flow from the extraction equipment inlet, after balance after a while, getting the 3rd extraction cell 1 acetone, to analyze its moisture be 2.61%, contained acetone and aqueous mixtures content were 55% after the fibre bundle extraction equipment was derived, and then moisture is in the rear fiber of acetone volatilization:
0.0261×55％/(1-0.55+0.0261×55％)×100％＝3.09％＜5％
As seen, this extraction equipment satisfies alginate fibre extraction dehydration requirement.
And obtain 1 ton of fiber, artificial extraction to consume amounts of acetone be 4.65 tons, and after adopting this extraction equipment, obtain 1 ton of acetone that fiber consumes and be:
70/ (10 * 18000/9000)=3.5 ton
As seen, behind use the present invention, alginate fibre per ton can be saved 1.15 tons in acetone.
This example is mainly used in that solvent extraction removes in the high-tenacity polyethylene fibre gel fiber.
At present, the high-tenacity polyethylene fibre preparation all is to adopt the gel spinning principle, is divided into wet method and dry-spinning process route.Wherein, wet spinning need to use extractant with solvent extraction in the gel fiber out.
Because high-tenacity polyethylene fibre gel fiber spinning speed generally is no more than 6m/min, fiber number changes larger before and after extraction, and the extraction precontract is 180000d, is about 36000d after the extraction, solvent≤1.0% in the fiber after the requirement extraction.
Owing to after extraction, requiring in the fiber solvent extremely low, therefore present many extraction equipments of normal operation aborning, use 1～3 extraction equipment such as requiring in patent 200710133408.6, extraction tank (or extraction cell 1) quantity is up to 24.
Before design, through studies show that, extractant extracts fully that the solvent shortest time is 55s in the gel fiber, and according to its production characteristics and requirement, the present embodiment is provided with seal cover shown in rear accompanying drawing 3,4, and the specific design parameter is as follows:
The long 300mm of the used seal wire pair roller of extraction equipment, wherein big roller 5 is drive roll, diameter 300mm; Pony roll 4 is driven roll, diameter 50mm; Big roller 5 is 250mm with pony roll 4 centre distances, and its circumferential edges is 87.5mm apart from 1 liang of lateral extent of extraction cell, and wherein big roller 5 centre-heights are 250mm, and pony roll 4 centre-heights also are 250mm.Consider the gel fiber characteristic, do not design pressure roller.
By above parameter, can calculate this extraction equipment parameters as follows:
1, total length only is: 600 * 4=2400mm (namely 2.4 meters);
2, overall width only is: 500 * 5+240 * 3=3220mm (namely 3.22 meters);
3, the gross area only is: 2.4 * 3.22=7.73m
2
4, dischargeable capacity only is: 0.8 * 0.5 * (0.38+0.39+0.40+0.41)=0.632m
3(this result of calculation is not deducted the shared volumes such as seal wire pair roller);
5, fiber in seal wire pair roller winding 1 circle length is: 2 * (250
2-125
2)
0.5+ 150 * 2[π-arccos
-1(125/250)]+25 * 2arccos
-1(125/250) ≈ 1113mm;
In use, can twine at least 6 circles, then fiber is advanced in each extraction cell 1, and total distance is minimum to be: 6 * 1113=6.678m;
Then fiber the shortest extraction time in each extraction cell 1 is: 6.678/6=1.11min=66s＞55s.
Before gel fiber enters extraction equipment, its solvent is about 80%, inject pure extractant with the 432g/min flow from the extraction equipment inlet, after balance after a while, getting the 4th extraction cell 1 extractant, to analyze its solvent be 0.19%, contained extractant and solvent mixture content were 80% after the fibre bundle extraction equipment was derived, and then solvent is in the rear fiber of extractant volatilization:
0.0019×0.8/(1-0.8+0.0019×0.8)×100％＝0.75％＜1％
As seen, this extraction equipment satisfies the requirement of gel fiber extractant.
Simultaneously, according to pertinent literature, obtains 1 ton of extractant that fiber consumes and be 40 tons, and after adopting this extraction equipment, 1 ton of extractant that fiber consumes is:
432/ (6 * 36000/9000)=18 ton
As seen, behind use the present invention, fiber per ton can be saved 32 tons of extractants.
Embodiment 6
The present invention also can be used as the fiber washing machines such as polyacrylonitrile fibre, viscose and uses.
In the made fiber of wet spinning process, such as polyacrylonitrile fibre, viscose etc., behind the coagulating bath curing molding, need to use massive laundering except the contained solvent of fiber and coagulating agent.This example only describes take polyacrylonitrile fibre as representative.
The present embodiment adopts embodiment 1 used extraction equipment, and the polyacrylonitrile fibre that is come by coagulating bath enters extraction equipment from filament inlet, and water enters extraction equipment by the solvent inlet, and it is reverse that fiber orientation and current direction still keep.Adjust pressure roller pressure and water injection rate, control the 3rd extraction cell 1 interior coagulating agent content in 1%, namely reach the washing requirement.
Above-mentioned only is with a kind of specific embodiment explanation the present invention, in fact as long as the filament inlet in the filament mouth in every last extraction cell 1 and the rear extraction cell 1 is positioned at the same level position, the seal wire pony roll 4 at the filament mouth place in each extraction cell 1 is arranged on the end with its godet roller that approaches
The above only is preferred embodiment of the present invention, should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also make some improvement, and these improvement also should be considered as protection scope of the present invention.
Claims (9)
1. fibre abstraction device, comprise motor, extraction cell (1), filament inlet and filament mouth place are provided with respectively little godet roller in the extraction cell, wire vent side sidewall at extraction cell is established the extractant inlet, establish an overfall entering a side sidewall, it is characterized in that: be provided with at least one pair of seal wire pair roller in the extraction cell, the seal wire pair roller is reduced gradually by the installation end (11) of the extraction cell spacing to end (12) surfaces of revolution outer rim of extraction cell.
2. fibre abstraction device according to claim 1, it is characterized in that: described a pair of seal wire pair roller is second roller (4) and the first roller (5), second roller (4) and the first roller (5) are isometrical roller, and the angle between the axis of second roller (4) and the first roller (5) is acute angle.
3. fibre abstraction device according to claim 2, it is characterized in that: described angle is between 1 °～45 °, and is more excellent between 3 °～25 °, optimum between 5 °～15 °.
4. fibre abstraction device according to claim 2, it is characterized in that: the diameter of second roller (4) is less than the diameter of the first roller (5), and the first roller (5) is drive roll, and second roller (4) is driven roll.
5. fibre abstraction device according to claim 4, it is characterized in that: the diameter of second roller (4) is 1/30～1/1.5 times of the first roller (5) diameter, and more excellent is 1/20～1/2 times, and optimum is 1/10～1/3 times.
6. fibre abstraction device according to claim 1, it is characterized in that: described a pair of seal wire pair roller is the first roller (5) and second roller (4), the first roller (5) is isometrical roller, second roller (4) is the truncated cone roller, and the axis of the first roller (5) and second roller (4) is parallel to each other;
Perhaps, second roller (4) is isometrical roller, and the first roller (5) is the truncated cone roller, and the axis of second roller (5) and the first roller (4) is parallel to each other.
7. any one described fibre abstraction device according to claim 1～6, it is characterized in that: extraction cell filament mouth place is provided with the second little godet roller (3), when the second little godet roller (3) had fiber (6) to pass through, fiber (6) was 0.7～0.9 times of second roller (5) length to the distance between the adjacent end of the installation end (11) of second roller (5) and extraction cell.
8. fiber multitple extraction device, it is characterized in that, comprise any one described fibre abstraction device in a plurality of claims 1～5 and 7, the corresponding setting of filament inlet of the filament mouth of every last extraction cell and a rear extraction cell, every after the overfall of an extraction cell and the corresponding setting of extractant inlet of last extraction cell.
9. fiber multitple extraction device, it is characterized in that, comprise a plurality of fibre abstraction devices claimed in claim 6, the corresponding setting of filament inlet of the filament mouth of every last extraction cell and a rear extraction cell, every after the overfall of an extraction cell and the corresponding setting of extractant inlet of last extraction cell.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020197707A1 (en) * | 2019-03-01 | 2020-10-01 | Rensselaer Polytechnic Institute | System and method for in-situ impregnation of continuous fiber tows with thermoplastic resin |
| CN113730956A (en) * | 2021-10-12 | 2021-12-03 | 山东莱威新材料有限公司 | Extraction device and extraction method for producing ultra-high molecular weight polyethylene fibers |
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| US4076499A (en) * | 1975-06-03 | 1978-02-28 | Evsei Moiseevich Mogilevsky | Method for washing continuously moving yarn |
| DE19753806A1 (en) * | 1996-12-12 | 1998-06-18 | Barmag Barmer Maschf | Skewed multiple turn rollers for yarn washing in viscose filament yarn spinning |
| CN1662687A (en) * | 2002-06-19 | 2005-08-31 | 苏拉有限及两合公司 | Apparatus for guiding, treating, or conveying at least one yarn |
| CN2597493Y (en) * | 2002-11-28 | 2004-01-07 | 邵阳纺织机械有限责任公司 | Spinning machine for continuously producing long viscose |
| JP2010529325A (en) * | 2007-06-11 | 2010-08-26 | コーロン インダストリーズ，インコーポレイテッド | Riocell fiber for tire cord and tire cord including the same |
| CN201098564Y (en) * | 2007-09-29 | 2008-08-13 | 盐城市宏达纺织器材有限公司 | High-strength high-modulus polyethylene fibre multi-stage continuous extraction machine |
| CN201190199Y (en) * | 2008-05-04 | 2009-02-04 | 宁波荣溢化纤科技有限公司 | Extractor for producing polyethylene fiber and multi-stage extractor |
| CN202620773U (en) * | 2012-03-22 | 2012-12-26 | 中国纺织科学研究院 | Fiber extraction device and multistage fiber extraction device |
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| WO2020197707A1 (en) * | 2019-03-01 | 2020-10-01 | Rensselaer Polytechnic Institute | System and method for in-situ impregnation of continuous fiber tows with thermoplastic resin |
| CN113730956A (en) * | 2021-10-12 | 2021-12-03 | 山东莱威新材料有限公司 | Extraction device and extraction method for producing ultra-high molecular weight polyethylene fibers |
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