CN1608152A - Device for the production of cellulose staple fibers - Google Patents
Device for the production of cellulose staple fibers Download PDFInfo
- Publication number
- CN1608152A CN1608152A CNA028262735A CN02826273A CN1608152A CN 1608152 A CN1608152 A CN 1608152A CN A028262735 A CNA028262735 A CN A028262735A CN 02826273 A CN02826273 A CN 02826273A CN 1608152 A CN1608152 A CN 1608152A
- Authority
- CN
- China
- Prior art keywords
- fiber
- segmentation
- meter per
- siphon pipe
- staple fibre
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/26—Formation of staple fibres
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G1/00—Severing continuous filaments or long fibres, e.g. stapling
- D01G1/02—Severing continuous filaments or long fibres, e.g. stapling to form staple fibres not delivered in strand form
- D01G1/04—Severing continuous filaments or long fibres, e.g. stapling to form staple fibres not delivered in strand form by cutting
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention is concerned with a device for the production of cellulosic staple fibers comprising a cutting device (1) for cutting cellulosic continuous filaments into staple fibers, a liquid-transport device (2) for transporting the staple fibers. The device according to the invention is characterized in that the liquid-transport device (2) is provided with a portion (4) shaped as a syphon (4).
Description
Technical field
The present invention relates to the manufacture method and the manufacturing installation of short fiber of cellulose.
Background technology
In the classical production process of short fiber of cellulose, the cellulosic filaments that newly is spun into is cut off into staple fibre in cutting machine.Staple fibre continues to be fed forward and to handle from the cutting machine outlet.For example, staple fibre is suspended into fiber strip in the fiber suspension device.Subsequently, fiber strip is accepted further treatment process as washing and readjusting operations.
The device of knowing from prior art comprises the shearing device and the liquid transporting apparatus that is used to carry staple fibre that are used for long filament is cut into staple fibre.
According to prior art, liquid transporting apparatus is usually configured to a groove, and the starting point of this groove is arranged on the below as this shearing device.A branch of long filament to be cut off enters in the shearing device and is rotated the fiber that cutter cuts into certain-length there usually.After cut-out, the fiber of cut-out forms fibre bundle or staple fibre.Cut fiber is by liquid such as water is poured in the groove from shearing device and rely on liquid to continue to carry in groove, as is sent to the fiber suspension device.
In these known methods or device, following problem occurs, all failed to open the staple fibre that forms when cutting off forms fiber strip in the fiber suspension device before and loose into single fiber.
The diffusing staple fibre of not opening in fiber strip causes the inhomogeneous of flushing and switching performance in fiber strip is again the processing stage.Usually, staple fibre wash by force inadequately, bleaching relatively poor, crosslinked relatively poor, arrangement is relatively poor etc.
In addition, do not open diffusing staple fibre through be everlasting subsequently fiber treatment and processing during in cause quality problems.
Summary of the invention
The purpose of this invention is to provide a kind of apparatus and method, rely on them can avoid above-mentioned shortcoming, especially can reduce the quantity of not opening diffusing staple fibre and size in fiber strip.
Realize this purpose by such device, promptly this device comprises that one cuts into the shearing device of staple fibre and a liquid transporting apparatus of carrying this staple fibre with cellulosic filaments, and wherein, this liquid transporting apparatus has a part that becomes siphon-shaped.
Have been found that replacing the groove know to go out to expect ground in can be during carrying with siphon pipe realizes that better opening of staple fibre is diffusing from prior art.
The liquid and the fiber that flow out from this shearing device have been full of siphonal volume.For this reason, no longer mobile but free floating ground realization staple fibre is carried.The agglomeration trend that in known current method, takes place and the tumbling motion of staple fibre have been avoided.
In addition, staple fibre can free wxpansion, because they are drenched by liquid fully.
In addition, device according to the present invention preferably includes a fiber suspension device that is used for staple fibre is suspended into fiber strip.This liquid transporting apparatus preferably leads to the fiber suspension device from the shearing device outlet.
This siphon pipe preferably is close to this shearing device.
In other preferred embodiment of the apparatus according to the invention, the mid portion that best basic horizontal is extended is arranged on that this is siphonal to inferior division and between top set.
The length of described mid portion equals this siphonal length to inferior division at least, preferably is its 10 times at least, and the best is its 30 times at least.
In the mid portion that preferably reaches many times of this siphonal length to inferior division, continue in pipe, to form staple fibre flow and staple fibre even quilt are opened better diffusing.
The length of these siphonal two branches can equate basically.
Stipulate that in a further advantageous embodiment this liquid transporting apparatus has another part, it preferably also is configured to tubulose and leads to the fiber suspension device from siphon pipe.
Described another part preferably includes a segmentation of extending downwards, and in addition, this segmentation of extending is downwards preferably extended substantially vertically downward.The vertical height of the segmentation that should extend downwards advantageously is substantially equal to the vertical height of one of them siphonal branch.
By a segmentation of extending is set,, can utilize the potential energy of staple fibre better downwards in the exit of siphon tubular portion.When moving downward, staple fibre is accelerated.For this reason, the fact is verified, and one is used to make the hole of managing ventilation to be arranged on siphonal eminence is favourable.
The segmentation that should extend downwards preferably carries out the transition to another segmentation of leading to this fiber suspension device, and the best substantial horizontal of this another segmentation is extended.
Extend downwards when being fragmented into the transition part of another segmentation when the staple fibre that is accelerated bumps against at this, staple fibre is further opened diffusing.
For this reason, be preferably at this segmentation and transition point place between another segmentation of extending downwards a sweep is set down, utilize this sweep, even can further add the strong collision effect.
According to another aspect, rely on such method to realize purpose of the present invention, the cellulosic filaments that promptly newly is spun into is cut off into staple fibre in cutting machine, this staple fibre is sent to a fiber suspension device and is suspended into fiber strip in this fiber suspension device from the cutting machine outlet, this fiber strip is accepted further to handle, wherein, in device according to the present invention, realize export to this fiber suspension device delivery of fiber from this cutting machine.
Here, the time of staying of fiber in liquid transporting apparatus preferably equals 2 seconds-40 seconds, better equals 10 seconds-30 seconds.The flow velocity of fiber in becoming siphonal part preferably equals 0.15 meter per second-2 meter per second, better equals 0.3 meter per second-1.5 meter per second.
In the preferred embodiment that the device that the segmentation of downward extension is arranged by according to of the inventive method is realized, the fiber in this segmentation of extending downwards preferably is accelerated to the speed of 1 meter per second-5 meter per second, the more preferably speed of 2 meter per seconds-3 meter per second.
Apparatus and method according to the present invention are particularly useful for the manufacturing of the short fiber of cellulose that the solvent spinning makes.These fibers are also referred to as " Lyocell fiber " and are made by cellulose solution (amine oxidizing process) in uncle's amine oxide.
Description of drawings
Below, describe the preferred embodiments of the present invention in detail by figure and example, wherein:
Fig. 1 schematically illustrates the basic structure of the device of the above-mentioned type;
Fig. 2 schematically illustrates a preferred embodiment according to device of the present invention;
Fig. 3 represents the details about downward extension segmentation of a preferred embodiment.
The specific embodiment
Fig. 1 illustrates one and cuts off device 1, a liquid transporting apparatus 2 and a fiber suspension device 3.The fiber that is cut off into staple fibre in shearing device 1 is poured liquid transporting apparatus 2 and is sent to fiber suspension device 3 by liquid.According to prior art, liquid transporting apparatus 2 is configured to a groove that does not have complete filled with fluid.Form fiber strip in fiber suspension device 3, in follow-up phase, fiber strip is cleaned and handles (not shown).
A preferred embodiment of the apparatus according to the invention, as shown in Figure 2, liquid transporting apparatus 2 has one and becomes siphonal part 4, and this part has been configured two branches 5,6.Be provided with the mid portion 7 that basic horizontal is extended between these two branches that length equates substantially, the length of this mid portion equals many times of length of the branch 5 of extending downwards.
Be provided with an another part 8 that leads to fiber suspension device 3 in the exit of siphon pipe 4.This part 8 has a segmentation 9, and this segmentation is extended substantially vertically downward and is transited into another segmentation 10 of basic horizontal extension and also advantageously becomes tubulose.The vertical height of segmentation 9 is substantially equal to the vertical height of two branches 5,6 of siphon pipe 4.But segmentation 10 perhaps also can be open, promptly for example by the grooving shape.
In preferred embodiment shown in Figure 3,, down be provided with a sweep 11 downwards at segmentation 9 of extending and the transition point place between another segmentation 10.
In addition, in the embodiment shown in Fig. 2,3, between the outlet of siphon pipe 4 and segmentation 9, be provided with the segmentation 12 that a basic horizontal is extended.Transition point place between segmentation 12 and segmentation 9 can be provided with the pore (not shown) on the end face of this pipe.
Function according to Fig. 2,3 device is as follows:
Cut staple fibre relies on liquid to be blown in cutting off device 1 in the part 4 of liquid transporting apparatus 2 and from that to continue conveying, 4 one-tenth tubuloses of described part in shearing device 1.Because 4 one-tenth siphon tubuloses of this part are so this pipe was full of liquid fully before this siphon pipe outlet.Therefore, described fiber is floated to be carried and is surrounded by liquid fully, and so, staple fibre can freely be drenched and open diffusing better.
After leaving siphon pipe 4, fiber falls in the segmentation 9 of downward extension and therefore is accelerated.When on the transition point that bumps against between segmentation 9 and the segmentation 10, it is diffusing that further opening of staple fibre taken place.Rely on sweep 11 shown in Figure 3, even can strengthen this effect.After this, the fiber in the segmentation 10 is sent to fiber suspension device 3 and forms fiber strip according to known mode own there.In segmentation 10, pipe is filled 50% liquid according to appointment.
Example
At the testing equipment of the continuous running that is used for making the short fiber of cellulose that the solvent spinning makes, fiber is cut off and is transferred in the device according to Fig. 3.
Therefore, branch's 5,6 length of this siphon tubular portion 4 equal 0.5 meter, and the length of mid portion 7 equals 10 meters.The flow velocity of fiber in siphon tubular portion 4 approximates 0.45 meter per second.In this segmentation 9 of extending downwards, fiber is accelerated to the speed of about 2.5 meter per seconds.The whole time of staying of fiber in liquid transporting apparatus 2 approximates 20 seconds.
In order to evaluate the effect of this device, the fiber strip that forms in the fiber suspension device is sampled.Measure every 50cm
2The fiber strip cross section in do not open diffusing staple fibre quantity.In addition, according to the size level staple fibre is divided into groups.As follows, the quantity of finding according to size level separately of not opening the staple fibre that looses multiply by a conversion coefficient:
Size level conversion coefficient
＞20mm ×20
20-10mm ×10
10-5mm ×5
5-3mm ×3
(not comprising the staple fibre of size in the calculating) less than 3mm
Thus obtained value is added up.Calculated relationship reaches the staple length index thus, and this length index provides the information about the quality that contains out the staple fibre that looses of formed fiber strip.
The staple length index of the fiber strip that is made of the fiber of carrying by apparatus of the present invention is 39.In contrast to this, by with the same manner manufacturing but the staple length index of the fiber strip that constitutes according to the fiber that prior art is carried equals 67.
Claims (19)
1, a kind of manufacturing installation of short fiber of cellulose, it comprises that a shearing device (1), that cellulosic filaments is cut into staple fibre carries the liquid transporting apparatus (2) of this staple fibre, it is characterized in that this liquid transporting apparatus (2) has a part that becomes siphon pipe (4) form.
2, device as claimed in claim 1, it also comprises a fiber suspension device (3) that is used for this staple fibre is suspended into fiber strip.
3, device as claimed in claim 1 or 2 is characterized in that, this liquid transporting apparatus (2) leads to this fiber suspension device (3) from the outlet of this shearing device (1).
4, device as claimed in claim 3 is characterized in that, this siphon pipe (4) is close to this shearing device (1).
5, as the described device of one of previous claim, it is characterized in that, this siphon pipe (4) to inferior division with between top set (5,6), be provided with the mid portion (7) that a best basic horizontal is extended.
As the described device of one of previous claim, it is characterized in that 6, the length of this mid portion (7) equals the length to inferior division (5) of this siphon pipe (4) at least, preferably is its 10 times and especially preferably its 30 times at least.
As the described device of one of previous claim, it is characterized in that 7, the length of two branches of this of this siphon pipe (4) (5,6) equates basically.
As the described device of one of previous claim, it is characterized in that 8, this liquid transporting apparatus (2) has one and preferably constitutes tubulose and another part (8) lead to this fiber suspension device (3) from this siphon pipe (4).
9, device as claimed in claim 8 is characterized in that, this another part (8) comprises a segmentation (9) under leading to.
10, device as claimed in claim 9 is characterized in that, this segmentation (9) perpendicular is extended downwards.
As claim 9 or 10 described devices, it is characterized in that 11, the vertical height of the segmentation (9) that this extends is substantially equal to the vertical height of the branch (5,6) of this siphon pipe (4) downwards.
As the described device of one of claim 9-11, it is characterized in that 12, this segmentation (9) of extending is transited into another segmentation (10) of leading to this fiber suspension device (3) downwards.
13, device as claimed in claim 12 is characterized in that, this another segmentation (10) substantial horizontal is extended.
14, as claim 12 or 13 described devices, it is characterized in that, in this segmentation (9) and the transition point between another segmentation (10) of extending, down be provided with a sweep (11) downwards.
15, a kind of manufacture method of short fiber of cellulose, wherein, the cellulosic filaments that newly is spun into is cut off into staple fibre in a cutting machine (1), these staple fibres are sent to a fiber suspension device (3) and are suspended into fiber strip in this fiber suspension devices (3) from the outlet of this cutting machine (1), described fiber strip is accepted further to handle, it is characterized in that, in liquid transporting apparatus (2), carry out of the conveying that be exported to this fiber suspension device (3) of described fiber from this cutting machine (1) according to one of claim 1-3 described filled with fluid.
16, method as claimed in claim 15 is characterized in that, the time of staying of described fiber in this liquid transporting apparatus (2) equals 2 seconds-40 seconds, preferably equals 10 seconds-30 seconds.
As claim 15 or 16 described methods, it is characterized in that 17, the flow velocity of described fiber in the part (4) that becomes the siphon pipe form equals 0.15 meter per second-2 meter per second, preferably equals 0.3 meter per second-1.5 meter per second.
As the described method of one of claim 15-17, it is characterized in that 18, the fiber in this segmentation (9) of extending is accelerated to the speed of 1 meter per second-5 meter per second, the preferably speed of 2 meter per seconds-3 meter per second downwards.
19, as the described method of one of claim 15-18, it is used to make the short fiber of cellulose that the solvent spinning forms.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA2042/2001 | 2001-12-27 | ||
| AT0204201A AT411466B (en) | 2001-12-27 | 2001-12-27 | DEVICE FOR PRODUCING CELLULOSIC STAPLE FIBERS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1608152A true CN1608152A (en) | 2005-04-20 |
| CN100385049C CN100385049C (en) | 2008-04-30 |
Family
ID=3689709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028262735A Expired - Fee Related CN100385049C (en) | 2001-12-27 | 2002-12-19 | Device for the production of cellulose staple fibers |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20050012238A1 (en) |
| KR (1) | KR20040071268A (en) |
| CN (1) | CN100385049C (en) |
| AT (1) | AT411466B (en) |
| AU (1) | AU2002361376A1 (en) |
| DE (1) | DE10296175D2 (en) |
| TW (1) | TWI302954B (en) |
| WO (1) | WO2003056079A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109576827A (en) * | 2018-12-26 | 2019-04-05 | 新疆富丽达纤维有限公司 | A kind of spinning practices industry with rushing hair water circulation system |
Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB375356A (en) * | 1931-03-24 | 1932-06-24 | British Celanese | Improvements in or relating to the production of textile materials |
| US2171579A (en) * | 1935-10-28 | 1939-09-05 | Matthew H Loughridge | Liquid control system |
| GB520642A (en) * | 1938-10-26 | 1940-04-30 | William Ivan Taylor | Improvements in or relating to the collection, treatment, and disposal of staple fibre produced by cutting continuous filaments |
| US2418282A (en) * | 1942-10-07 | 1947-04-01 | Carborundum Co | Abrasive manufacture |
| US2795184A (en) * | 1953-06-16 | 1957-06-11 | Robert P Graham | Internal drum dejuicing press |
| US2837810A (en) * | 1955-06-17 | 1958-06-10 | Flexonics Corp | Method of producing fittings |
| US3097085A (en) * | 1959-07-02 | 1963-07-09 | Wallsten Hans | Method and means for the manufacture of fibres of thermoplastic material |
| US3241675A (en) * | 1962-06-04 | 1966-03-22 | Ajem Lab Inc | Rotary filter and method |
| US3401216A (en) * | 1964-01-09 | 1968-09-10 | Bristol Myers Co | Methods for preparing pharmaceutical compositions |
| US3661154A (en) * | 1969-05-26 | 1972-05-09 | David Torr | Water-absorbing material |
| US3743694A (en) * | 1971-07-13 | 1973-07-03 | Du Pont | Method for rendering microcellular staple fibers self-inflatable in air involving the continuous transporting of the fibers through a reaction pipeline |
| US4230471A (en) * | 1973-03-30 | 1980-10-28 | Saint-Gobain Industries | Suppression of pollution in mineral fiber manufacture |
| US4052492A (en) * | 1975-06-16 | 1977-10-04 | Kaiser Gypsum Company, Inc. | Method for producing preformed expansion joint fillers |
| US4057443A (en) * | 1976-08-20 | 1977-11-08 | National Gypsum Company | Foamed gypsum wallboard |
| US4362682A (en) * | 1980-08-21 | 1982-12-07 | Badische Corporation | Chip-free staple fiber process |
| US4600462A (en) * | 1981-09-29 | 1986-07-15 | James River/Dixie-Northern, Inc. | Incorporation of a hydrophile in fibrous webs to enhance absorbency |
| JPS6170018A (en) * | 1984-09-11 | 1986-04-10 | Sumitomo Metal Ind Ltd | Method of cutting carbon yarn and device |
| US4649605A (en) * | 1985-04-25 | 1987-03-17 | Eastman Kodak Company | Method for determining cohesion in staple fibers |
| US4831908A (en) * | 1987-01-23 | 1989-05-23 | Lummus Industries, Inc. | Package wind cutter |
| US4771665A (en) * | 1987-08-28 | 1988-09-20 | Lummus Industries, Inc. | Blade quality monitor |
| JPH0283200A (en) * | 1988-09-20 | 1990-03-23 | Mitsui Petrochem Ind Ltd | Manufacture of short fiber |
| US4997681A (en) * | 1989-02-08 | 1991-03-05 | Fiberglas Canada Inc. | Mineral fiber nodules and method of making same |
| US5230959A (en) * | 1989-03-20 | 1993-07-27 | Weyerhaeuser Company | Coated fiber product with adhered super absorbent particles |
| DE3941418A1 (en) * | 1989-12-15 | 1991-06-20 | Werner & Pfleiderer | METHOD FOR STARTING UP AN UNDERWATER PELLETIZING DEVICE AND DEVICE FOR UNDERWATER PELLETIZING |
| FR2668081B1 (en) * | 1990-10-19 | 1994-11-18 | Lvmh Rech | METHOD AND APPARATUS FOR MANUFACTURING SOLID PARTICLES FROM A SOLIDIFIABLE MATERIAL IN THE PRESENCE OF A SOLIDIFYING AGENT IN GOOD YIELDS. |
| CN1155302A (en) * | 1994-08-10 | 1997-07-23 | 陶氏化学公司 | Process of making polybenzazole staple fibers |
| JP3364733B2 (en) * | 1995-07-10 | 2003-01-08 | 株式会社竹原機械研究所 | Fiber cutting equipment |
| US5637326A (en) * | 1995-12-04 | 1997-06-10 | Fuisz Technologies Ltd. | Apparatus for making chopped amorphous fibers with an air transport system |
| US5894773A (en) * | 1996-08-30 | 1999-04-20 | Owens Corning Fiberglas Technology, Inc. | System for forming and cutting a mineral fiber tow |
| US6422608B1 (en) * | 1998-09-21 | 2002-07-23 | Dong Lim Industrial Co., Ltd. | Anti-abrasion pipe fittings for high-speed particle-laden flow |
| US6365090B1 (en) * | 1999-07-16 | 2002-04-02 | Owens Corning Fiberglas Technology, Inc. | System for preparing polymer encapsulated glass fiber pellets |
-
2001
- 2001-12-27 AT AT0204201A patent/AT411466B/en not_active IP Right Cessation
-
2002
- 2002-12-19 DE DE10296175T patent/DE10296175D2/en not_active Expired - Fee Related
- 2002-12-19 TW TW091136701A patent/TWI302954B/en not_active IP Right Cessation
- 2002-12-19 CN CNB028262735A patent/CN100385049C/en not_active Expired - Fee Related
- 2002-12-19 WO PCT/AT2002/000363 patent/WO2003056079A1/en not_active Application Discontinuation
- 2002-12-19 KR KR10-2004-7010192A patent/KR20040071268A/en active IP Right Grant
- 2002-12-19 AU AU2002361376A patent/AU2002361376A1/en not_active Abandoned
-
2004
- 2004-06-24 US US10/877,187 patent/US20050012238A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| TW200302885A (en) | 2003-08-16 |
| WO2003056079A1 (en) | 2003-07-10 |
| DE10296175D2 (en) | 2004-11-25 |
| AT411466B (en) | 2004-01-26 |
| KR20040071268A (en) | 2004-08-11 |
| ATA20422001A (en) | 2003-06-15 |
| AU2002361376A1 (en) | 2003-07-15 |
| US20050012238A1 (en) | 2005-01-20 |
| TWI302954B (en) | 2008-11-11 |
| CN100385049C (en) | 2008-04-30 |
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Granted publication date: 20080430 Termination date: 20201219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |