CN203270102U - Rectifying device used for dry-jet wet spinning - Google Patents
Rectifying device used for dry-jet wet spinning Download PDFInfo
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- CN203270102U CN203270102U CN 201320216943 CN201320216943U CN203270102U CN 203270102 U CN203270102 U CN 203270102U CN 201320216943 CN201320216943 CN 201320216943 CN 201320216943 U CN201320216943 U CN 201320216943U CN 203270102 U CN203270102 U CN 203270102U
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- cowling panel
- spinning
- dry
- jet wet
- fairing
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Abstract
The utility model relates to the field of spinning equipment, in particular to a rectifying device used for dry-jet wet spinning. The rectifying device used for dry-jet wet spinning comprises a first rectifying plate and a second rectifying plate, wherein the first rectifying plate is horizontally arranged and part of the first rectifying plate is immersed in a coagulating bath, the second rectifying plate is placed under the liquid level of the coagulating bath, the upper end of the second rectifying plate is fixed on the first rectifying plate, the rectifying device is arranged in an area away from a spinneret plate, a plurality of first through holes used for adsorbing liquid level ripples of the coagulating bath are formed in the first rectifying plate, and the axis of each first through hole is oblique towards the spinneret plate. According to the rectifying device used for dry-jet wet spinning, influence of fluctuation of the liquid level away from the spinneret plate on the height of the liquid level right below the spinneret plate can be effectively reduced, and then the occurrence of dipping or filament breakage of the spinneret plate can be reduced and stability of spinning is improved.
Description
Technical field
The utility model relates to the spinning equipment field, relates in particular to the fairing that a kind of dry-jet wet-spinning is used.
Background technology
Dry-jet wet-spinning is a kind of spinning process, in recent years due to the carbon fibre precursor that is used to make high-strength and high-modulus, therefore is subject to gradually extensive concern.Dry-jet wet-spinning is to use measuring pump that spinning solution is sprayed from spinnerets, after one section gas blanket (normally air layer), enter and solidify fibroblast in coagulating bath, the thickness of above-mentioned gas layer (being that the spray silk identity distance of spinnerets is from the distance of coagulating bath liquid level) is generally 2～50mm.Spinning solution enters coagulating bath and solidifies through after gas blanket.Usually, the stability of the temperature of coagulating bath liquid level and coagulating bath, concentration has directly affected the performance of solidifying strand and the quality of final products.For example, in the situation that high speed spinning, the gait of march of the tow that passes through from coagulating bath increases, and is accompanied by advancing of tow and the also increase thereupon of flow velocity of the solidification liquid (namely following stream) that flows.Due to this increase of following the stream flow velocity, the liquid level of solidification liquid can produce fluctuation, even whirlpool.Disorder or fracture of wire that the liquid level change of this solidification liquid can cause the monofilament in tow to be arranged.In the significant situation of the liquid level of solidification liquid change, the spray silk face of spinnerets local or all easily contact with solidification liquid causes spinnerets to flood, and then can not carry out spinning.Therefore, except spinning technique was most important, the stability of coagulating bath liquid level was also the key factor that determines the strand performance.
At present, coagulating bath mainly contains static bath and flows down and bathes two kinds.As its name suggests, static bath be exactly solidification liquid be static, mobile even the liquid stream in bathing has, speed is also very little.Usually, in static bath, strand vertically enters and leaves from the coagulating bath opposite side after coagulating bath changes direction by guiding in bathing, and solidification liquid overflows through downflow weir.With respect to static bath, flowing down bath is to allow solidification liquid flow, and makes its direct of travel with the strand that just enters coagulating bath identical.Solidification liquid has the flow direction identical with the strand of advancing, and the resistance between can reducing is both alleviated the friction between strand, increases spinning speed.Owing to flowing down the bath severe operational environment, strand easily stops up in the stream pipe, and therefore, being applied at present industrialized is static bath.Coagulating bath of the present invention is static bath, and coagulating bath hereinafter also is all static bath.
Control the stable effective means of coagulating bath liquid level and mainly comprise four kinds of methods.Method one arranges downflow weir on coagulating tank, for example patent JP707813A proposes respectively to advance silk and wire vent one side arranges downflow weir in coagulating bath, and the ratio of the lifting rate that advances a side downflow weir and the lifting rate of wire vent one side downflow weir is 5:5～8:2.Method two arranges fairing in coagulating bath, comprise flow regulating barrels, as patent JP1183511A, JP11350244A, JP8113817A, JP2019508A, JP2006118087A etc.; Cowling panel is as patent JP200729159A, JP7207522A etc.Method three is improved the spinneret component structure, as patent JP2007162159A.Method four is to adopt other various methods to realize.For example, patent JP11350245A proposes to place floater shot on the coagulating bath liquid level, and patent JP2004052129A discloses a kind of shape body that rises and controlled the stable of liquid level.
No matter adopt above-mentioned which kind of method, all can not solve completely effectively the problem of coagulating bath liquid fluctuating.
The utility model content
The technical problem that (one) will solve
The purpose of this utility model is to provide a kind of dry-jet wet-spinning fairing that can effectively solve coagulating bath liquid fluctuating problem.
(2) technical scheme
For reaching above-mentioned purpose, the utility model provides a kind of dry-jet wet-spinning fairing, and described fairing comprises the first cowling panel and the second cowling panel; Described the first cowling panel is horizontally disposed with and is partially submerged in the coagulating bath liquid level; Described the second cowling panel is placed under the coagulating bath liquid level, and its upper end is fixed on described the first cowling panel; Described fairing is arranged at the zone away from spinnerets.
Preferably, described the first cowling panel is provided with several the first through holes that is used for absorbing coagulation bath ground roll line, and the axis of described the first through hole is towards the lopsidedness of spinnerets.
Preferably, the angle [alpha] of the axis of described the first through hole and vertical direction is 0 °＜α＜15 °.
Preferably, the thickness of described the first cowling panel is 20mm～50mm.
Preferably, described the first cowling panel is that semi-circular is dull and stereotyped, and the opening of described semi-circular flat board is towards a side of spinnerets; The outer arc radius of described semi-circular flat board is 150mm～300mm, and the difference of its outer arc radius and inner arc radius is 50mm～200mm; The diameter of described the first through hole is 5mm～15mm.
Preferably, described the second cowling panel is the bent coverboard of half tubular.
Preferably, the bus of described the second cowling panel is towards the lopsidedness of spinnerets, and with the angle beta of vertical direction be 0 °＜β＜15 °.
Preferably, described the second cowling panel is provided with the second through hole of several axis horizontal.
Preferably, described the second cowling panel lower end is 100mm～500mm to the distance of described the first cowling panel downside.
Preferably, the material of described fairing is stainless steel.
(3) beneficial effect
The dry-jet wet-spinning fairing that the utility model adopts technique scheme to provide, when the coagulating bath liquid level occured than minor swing, ripple can be stopped by a side of the first cowling panel; When the coagulating bath liquid level occurs than great fluctuation process, when the ripple height is exposed to height more than the coagulating bath liquid level greater than the first cowling panel, when namely stretching the first cowling panel upper surface, because the first cowling panel is provided with the first larger through hole, can effectively receive the solidification liquid of stretching, thereby play the effect of coagulating bath liquid level under stable spray silk face.The second cowling panel is placed under the coagulating bath liquid level and is provided with the second through hole, both can stop the sinuous flow of coagulating bath and reduces the fluctuation of coagulating bath liquid level, can guarantee again near the stable and diffusion of solidification liquid temperature and concentration tow.Adopt the utility model can effectively reduce apart from the fluctuation of spinnerets liquid level far away impact on liquid level under spinnerets, and then can reduce the generation of the situations such as spinnerets dipping or fracture of wire, improve the stability of spinning process.
Description of drawings
Fig. 1 is the front view that the utility model dry-jet wet-spinning is used fairing;
Fig. 2 is that the utility model dry-jet wet-spinning uses the A-A of fairing to view;
Fig. 3 is that the utility model dry-jet wet-spinning is installed on the structure chart of coagulating bath with fairing.
In figure, 1: the first cowling panel; 2: the second cowling panels; 3: the first through holes; 4: the second through holes; 5: spinnerets; 6: the coagulating bath liquid level; 7: tow.
The specific embodiment
Below in conjunction with drawings and Examples, dry-jet wet-spinning of the present utility model is described in further detail with fairing.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
As depicted in figs. 1 and 2, dry-jet wet-spinning of the present utility model comprises the first cowling panel 1 and the second cowling panel 2 with fairing, fairing is arranged at the zone away from spinnerets 5, can effectively reduce apart from the fluctuation of spinnerets 5 liquid levels far away impact on liquid level under spinnerets 5, and then can reduce the generation of the situations such as spinnerets 5 dipping or fracture of wire, improve the stability of spinning process.Wherein, the material of fairing is stainless steel.
The first cowling panel 1 is horizontally disposed with and is partially submerged in coagulating bath liquid level 6, evenly be provided with the first through hole 3 that several are used for absorbing coagulation bath ground roll line on it, the axis of the first through hole 3 is towards the lopsidedness of spinnerets 5, and the axis of the first through hole 3 and the angle [alpha] of vertical direction are 0 °＜α＜15 °, the diameter of the first through hole 3 is 5mm～15mm, so setting can make on coagulating bath liquid level 6 that the ripple to the surrounding diffusion successfully enters the first through hole 3 under the spinnerets 5, thereby absorbed by the first through hole 3, thereby improved effective hydrops volume of the first through hole 3.The thickness of the first cowling panel 1 can be decided by the height of the issuable maximum ripple of coagulating bath liquid level in spinning process, and preferred the first cowling panel 1 thickness is 20mm～50mm.When the coagulating bath liquid level occured than minor swing, ripple can be stopped by an end of the first cowling panel 1; When coagulating bath liquid level 6 occurs than great fluctuation process, when the ripple height is exposed to the height of coagulating bath liquid level more than 6 greater than the first cowling panel 1, when namely stretching the upper surface of the first cowling panel 1, because the first cowling panel 1 is provided with the first larger through hole 3, can effectively receive the coagulation bath of stretching, thereby play the effect of the coagulating bath liquid level 6 under stable spray silk face 5.
The first cowling panel 1 is dull and stereotyped, its profile can be rectangle, circle or other geometric figures etc., consider the shape of ripple diffusion, as shown in Figure 1, in the present embodiment, the first cowling panel 1 is designed to the semi-circular flat board, and the opening of semi-circular flat board is towards a side of spinnerets 5, thereby more effectively stops the diffusion of coagulation bath ground roll line.Wherein, annular refers on same plane by unequal two figures that concentric circles forms of radius, the circle that radius is larger is cylindrical, the circle that radius is less is inner circle, semi-circular refers to that by by two closed figures that concentric arc forms between two exradius and two exradius, the opening of semi-circular flat board refers to that semi-circular is near a side in the center of circle.The semiorbicular central angle of the utility model can be 90 °～180 °, and in the present embodiment, to be preferably central angle be that the semi-circular of 180 ° is dull and stereotyped to the first cowling panel 1.The outer arc radius of semi-circular flat board is 150mm～300mm, and the difference of its outer arc radius and inner arc radius is 50mm～200mm.If the difference of outer arc radius and inner arc radius is less than 50mm, in this semi-circular flat board, effective hydrops volume of upper the first through hole 3 can be restricted so.If the difference of outer arc radius and inner arc radius greater than 200mm, can make fairing oversize, and affects spinning.
The second cowling panel 2 is placed in the coagulating bath liquid level 6 times, and its upper end is fixed on the first cowling panel 1.The second cowling panel 2 can for dull and stereotyped or bent coverboard etc., play the effect that stops the coagulating bath sinuous flow.Consider equally the shape of ripple diffusion, in the present embodiment, the second cowling panel 2 is preferably designed for the bent coverboard of half tubular, and the bus of the second cowling panel 2 tilts towards the direction of spinnerets, and the angle beta of the bus of the second cowling panel and vertical direction is 0 °＜β＜15 °.Wherein, the half bent coverboard of tubular refers to the bent coverboard of tubular is sectioned into two parts through the plane at its axis place, and bus refers on bent coverboard that axis with bent coverboard is at conplane straight line.In the present embodiment, the axis of the bent coverboard of half tubular is vertically to arrange, and the upper end of the bent coverboard of half tubular is fixedly connected on the external arc of the first cowling panel 1.The second cowling panel 2 lower ends are 100mm～500mm to the distance of the first cowling panel 1 downside.The second cowling panel 2 is provided with the second through hole 4 of several axis horizontal, makes the second cowling panel 2 both can stop the sinuous flow of coagulating bath and reduces the fluctuation of coagulating bath liquid level, can guarantee again near the stable and diffusion of solidification liquid temperature and concentration tow 7.
When carrying out dry-jet wet-spinning, in advance this fairing is fixed in coagulating bath (be placed under spinnerets 5 liquid level and may produce between larger corrugated regions), and make the first cowling panel 1 of this fairing parallel with coagulating bath liquid level 6, and a part that makes the first cowling panel 1 is exposed to the coagulating bath liquid level more than 6, a part is immersed in the coagulating bath liquid level below 6, and the altitude range of exposed portions serve is 10mm～25mm.When the fluctuation of coagulating bath liquid level 6 is larger, can make the height of exposed portions serve larger.Fairing can effectively solve from the spinning solution of spinnerets 5 ejections and enter the coagulating bath liquid fluctuating that produces when coagulating bath forms tow 7.In actual production, also a plurality of fairings of the present utility model can be installed according to the method described above in coagulating bath in advance, and can solve better the problem of coagulating bath liquid fluctuating.
Above embodiment only is used for explanation the utility model, and be not limitation of the utility model, the those of ordinary skill in relevant technologies field, in the situation that do not break away from spirit and scope of the present utility model, can also make a variety of changes and modification, so all technical schemes that are equal to also belong to category of the present utility model.
Claims (10)
1. dry-jet wet-spinning fairing, it is characterized in that: described fairing comprises the first cowling panel (1) and the second cowling panel (2); Described the first cowling panel (1) is horizontally disposed with and is partially submerged in coagulating bath liquid level (6); Described the second cowling panel (2) is placed under coagulating bath liquid level (6), and its upper end is fixed on described the first cowling panel (1); Described fairing is arranged at the zone away from spinnerets (5).
2. dry-jet wet-spinning fairing according to claim 1, it is characterized in that: described the first cowling panel (1) is provided with several the first through holes (3) that is used for absorbing coagulation bath ground roll line, and the axis of described the first through hole (3) is towards the lopsidedness of spinnerets (5).
3. dry-jet wet-spinning fairing according to claim 2 is characterized in that: the axis of described the first through hole (3) and the angle [alpha] of vertical direction are 0 °＜α＜15 °.
4. dry-jet wet-spinning fairing according to claim 3, it is characterized in that: the thickness of described the first cowling panel (1) is 20mm～50mm.
5. dry-jet wet-spinning fairing according to claim 4 is characterized in that: described the first cowling panel (1) is dull and stereotyped for semi-circular, and the opening of described semi-circular flat board is towards a side of spinnerets (5); The outer arc radius of described semi-circular flat board is 150mm～300mm, and the difference of its outer arc radius and inner arc radius is 50mm～200mm; The diameter of described the first through hole (3) is 5mm～15mm.
6. according to claim 1-5 described dry-jet wet-spinning fairings of any one is characterized in that: described the second cowling panel (2) is the bent coverboard of half tubular.
7. dry-jet wet-spinning fairing according to claim 6 is characterized in that: the bus of described the second cowling panel (2) is towards the lopsidedness of spinnerets (5), and with the angle beta of vertical direction be 0 °＜β＜15 °.
8. dry-jet wet-spinning fairing according to claim 6, it is characterized in that: described the second cowling panel (2) is provided with second through hole (4) of several axis horizontal.
9. dry-jet wet-spinning fairing according to claim 6 is characterized in that: described the second cowling panel (2) lower end is 100mm～500mm to the distance of described the first cowling panel (1) downside.
10. dry-jet wet-spinning fairing according to claim 5, it is characterized in that: the material of described fairing is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320216943 CN203270102U (en) | 2013-04-25 | 2013-04-25 | Rectifying device used for dry-jet wet spinning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320216943 CN203270102U (en) | 2013-04-25 | 2013-04-25 | Rectifying device used for dry-jet wet spinning |
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| CN203270102U true CN203270102U (en) | 2013-11-06 |
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| CN 201320216943 Expired - Lifetime CN203270102U (en) | 2013-04-25 | 2013-04-25 | Rectifying device used for dry-jet wet spinning |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032382A (en) * | 2014-06-16 | 2014-09-10 | 张家港市港鹰实业有限公司 | Coagulating bath tank |
| CN105350091A (en) * | 2015-11-25 | 2016-02-24 | 山东大学 | Dry-jet wet-spinning jetting device and making method thereof |
| CN108740927A (en) * | 2018-07-17 | 2018-11-06 | 合肥仨科机电设备工程有限公司 | A kind of flavoring system |
| CN109468688A (en) * | 2018-11-22 | 2019-03-15 | 绍兴美标纺织品检验有限公司 | The spinning process of cellulose fibre |
| CN112708951A (en) * | 2019-10-25 | 2021-04-27 | 中国石油化工股份有限公司 | Method for reducing coefficient of variation of linear density of nascent fiber |
| CN113622034A (en) * | 2020-04-22 | 2021-11-09 | 奥若泰克股份有限公司 | Production of filaments using controlled air flow |
| CN114232110A (en) * | 2021-12-22 | 2022-03-25 | 荣成碳纤维科技有限公司 | Coagulating bath with bath liquid surface fluctuation control device |
-
2013
- 2013-04-25 CN CN 201320216943 patent/CN203270102U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032382A (en) * | 2014-06-16 | 2014-09-10 | 张家港市港鹰实业有限公司 | Coagulating bath tank |
| CN105350091A (en) * | 2015-11-25 | 2016-02-24 | 山东大学 | Dry-jet wet-spinning jetting device and making method thereof |
| CN105350091B (en) * | 2015-11-25 | 2017-11-07 | 山东大学 | A kind of dry-jet wet-spinning spinning appts and preparation method thereof |
| CN108740927A (en) * | 2018-07-17 | 2018-11-06 | 合肥仨科机电设备工程有限公司 | A kind of flavoring system |
| CN109468688A (en) * | 2018-11-22 | 2019-03-15 | 绍兴美标纺织品检验有限公司 | The spinning process of cellulose fibre |
| CN112708951A (en) * | 2019-10-25 | 2021-04-27 | 中国石油化工股份有限公司 | Method for reducing coefficient of variation of linear density of nascent fiber |
| CN112708951B (en) * | 2019-10-25 | 2022-06-14 | 中国石油化工股份有限公司 | Method for reducing coefficient of variation of linear density of nascent fiber |
| CN113622034A (en) * | 2020-04-22 | 2021-11-09 | 奥若泰克股份有限公司 | Production of filaments using controlled air flow |
| CN113622034B (en) * | 2020-04-22 | 2023-10-24 | 奥若泰克股份有限公司 | Production of filaments using controlled air flow |
| CN114232110A (en) * | 2021-12-22 | 2022-03-25 | 荣成碳纤维科技有限公司 | Coagulating bath with bath liquid surface fluctuation control device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200618 Address after: 101312 No.5, Anxiang street, Airport Industrial Zone, Shunyi District, Beijing Patentee after: BEIJING BLUESTAR CLEANING Co.,Ltd. Address before: 101318, serenity Road, B District, Shunyi District Airport Industrial Zone, Beijing, 5 Patentee before: BLUE STAR (BEIJING) SPECIAL FIBER TECHNOLOGY R & D CENTER Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |