WO2015027958A2 - 一种高黏度纯壳聚糖纺丝液的脱泡装置 - Google Patents
一种高黏度纯壳聚糖纺丝液的脱泡装置 Download PDFInfo
- Publication number
- WO2015027958A2 WO2015027958A2 PCT/CN2014/085697 CN2014085697W WO2015027958A2 WO 2015027958 A2 WO2015027958 A2 WO 2015027958A2 CN 2014085697 W CN2014085697 W CN 2014085697W WO 2015027958 A2 WO2015027958 A2 WO 2015027958A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reaction vessel
- spinning solution
- inner cylinder
- cylinder body
- umbrella
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0042—Degasification of liquids modifying the liquid flow
- B01D19/0052—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/91—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
- B29B7/14—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with screw or helix
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
- B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/86—Component parts, details or accessories; Auxiliary operations for working at sub- or superatmospheric pressure
-
- 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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
- D01D1/065—Addition and mixing of substances to the spinning solution or to the melt; Homogenising
-
- 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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/10—Filtering or de-aerating the spinning solution or melt
- D01D1/103—De-aerating
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
Definitions
- the present invention relates to a defoaming device for a high-viscosity spinning solution, and more particularly to a high-viscosity pure chitosan spinning solution defoaming device.
- Pure chitosan fibers refer to fibers made from extracts from shrimp and crab shells, which have many special advantages over conventional terrestrial natural fibers and synthetic fibers. The first is that it does not rely on oil, nor does it compete with food for land, and opens up a third source of chemical fiber. Second, waste utilization is in line with the sustainable development trend of green and environmental protection. Further, the pure chitosan fiber has broad-spectrum bacteriostasis, mildew resistance, excellent biocompatibility and non-immunogenicity, and also has the functions of adsorption chelation, hemostasis, and scar reduction. Based on its function, it can be widely used in aerospace, medical and health, military civil textiles, filtration protection and other fields. It has great market potential and plays a positive role in promoting human health.
- the viscosity of the spinning solution required for spinning high-quality pure chitosan fiber is more than 450,000 mpa * s, and the viscosity of the spinning solution is nearly ten times that of the usual viscose spinning solution, using a conventional process. Defoaming, production efficiency is extremely low, and industrial production cannot be achieved.
- the flaky chitosan itself has a large amount of gaps in the tissue after decalcification and deproteinization, and these gaps have air filling; in addition, the flaky chitosan raw material is a stack of 2 or more sheets. It also has a large amount of gas between the gaps. These gases are bound to the inside of the chitosan solution during the dissolution of chitosan, and cannot escape; at the same time, the chitosan spinning solution is dissolved, filtered, and transported. A large amount of air bubbles are also generated during the process until it is delivered to the defoaming kettle.
- the spinning solution In the case of wet spinning, the spinning solution must be ejected from the spinneret into the coagulation bath without bubbles, and if the spinning solution is bubbled to the coagulation bath, the escape of the bubbles may cause the yarn to break. Therefore, defoaming treatment must be performed before spinning. Since the viscosity of the pure chitosan spinning solution is more than 450,000 mpa ⁇ s, it is nearly ten times the viscosity of the viscose fiber spinning solution. According to the conventional conventional defoaming method, the production efficiency is extremely low, and industrial production is difficult to achieve.
- the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a defoaming device with high defoaming efficiency and good defoaming effect, and the defoaming device can remove the air bubbles at a time, and is applicable.
- the spinning solution has a wide range of viscosities.
- a high-viscosity pure chitosan spinning solution defoaming device comprising a reaction vessel 1, a stirring device 2, an upper portion of the reaction vessel 1 is provided with a feed port 3, and a bottom outlet is provided with a discharge port 4
- the upper part of the reaction vessel 1 is further provided with a vacuum port 5; the central portion of the reaction vessel 1 is fixedly provided with an inner cylinder body 9, and the upper end portion of the inner cylinder body 9 is closed, and the lower end cylinder body is closed.
- the mouth is open; an umbrella-shaped diffuser 10 is fixed on the outer circumference of the upper half of the inner cylinder 9, and the outer edge of the umbrella-shaped diffuser 10 has a gap with the inner wall of the reaction vessel 1; 9 The wall of the upper portion of the upper portion of the umbrella-shaped diffuser 10 is covered with a liquid discharge hole 11; the stirring device 2 comprises a stirring shaft 12 with a propeller 14 and a stirring power device 13, the stirring shaft 12 The upper end is mounted on the agitating power unit 13; the agitating shaft 12 passes through the mechanical sealing device 16, extends into the reaction vessel 1, and the lower end is fixed to the seat bearing 6; the agitating shaft 12 coincides with the axis of the inner cylinder 9 There is a gap between the inner wall of the inner cylinder 9 and the propeller 14.
- annular feed conduit 7 is fixedly disposed above the reaction vessel 1, and the annular feed conduit 7 is connected to the feed port 3, and the annular feed conduit 7 is partially filled below the horizontal center plane. Discharge the small hole 8.
- the agitating shaft 12 is in line with the discharge port 4.
- a sampling hole 18 is provided in a lower portion of the reaction vessel 1.
- the annular feed pipe 7 is supported by the umbrella-shaped diffuser 10 fixed on the inner wall of the reaction vessel 1
- the rod 20 is fixed, and the inner cylinder 9 of the reactor 1 is fixed to the center position of the reaction vessel 1 by the upper and lower support rods 22.
- the reactor 1 is provided with a stopper 19, and the upper portion of the reactor 1 is provided with a vacuum inlet 15, a vacuum gauge 17, a viewing window 21, a manhole 23, a compressed air vent 24, and a sight glass.
- the reactor 1 is composed of an upper head, a lower head and a cylinder, and the upper and lower heads are all elliptical.
- the annular feed pipe is connected with the feed port and the bottom is provided with a plurality of discharge small holes, high viscosity pure chitosan with pressure
- the diameter of the discharge orifice is only 0. 5mm-5mm
- the pressure in the defoaming kettle is less than 3000pa
- the spinning solution is Freely falling under gravity to the umbrella-shaped diffuser plate
- the first defoaming of the pure chitosan spinning solution evenly drip on the umbrella-shaped diffuser, due to the effect of gravity and the angle of inclination of the umbrella-shaped diffuser, the spinning solution from the umbrella
- the inner edge of the diffuser flows toward the outer edge of the umbrella-shaped diffuser, and the formed spinning film increases the defoaming area.
- the pressure in the defoaming kettle is less than 3000pa, some bubbles are free to escape; the spinning solution When flowing to the outer edge of the umbrella-shaped diffuser, the spinning solution is free to flow down to the bottom of the reactor under the action of gravity.
- the outer edge of the umbrella-shaped diffuser plate shears the spinning solution, and the spinning solution interface layer A change occurs, the bubble quickly escapes, and the second defoaming process of the wiped film is completed.
- the defoaming kettle of the present invention has an inner cylinder and a stirring shaft with a propeller, and the inner cylinder wall and the upper end sealing cover of the umbrella-shaped diffuser plate are covered with liquid
- the special structure of the small hole, the pure chitosan spinning solution which realizes the second defoaming process is stirred by the propeller, and is lifted from the bottom of the kettle body to the upper part of the inner cylinder body.
- a high-viscosity pure chitosan spinning solution defoaming device comprising a reaction vessel 1 and a stirring device 2, wherein the reaction vessel 1 is composed of an upper head, a lower head and a cylinder, wherein the upper portion
- the lower heads are all elliptical, and the thickness and material of the upper, lower and cylindrical stainless steel materials can be determined according to the pressure of the pressure and the pressure difference between the pressures.
- the upper portion of the reaction vessel 1 is provided with a feed port 3, and the position of the feed port 3 is disposed at the upper portion of the reaction vessel 1.
- the feed port 3 is preferably disposed on the side of the upper half of the reactor 1 and in the same plane as the annular feed conduit 7 in the reactor 1.
- the bottom of the reaction vessel 1 is provided with a discharge port 4, and the discharge port 4 is preferably at the center of the bottom of the reaction vessel 1 to facilitate the discharge of the defoamed spinning solution; the bottom portion may also be provided with a sampling port 18 For easy understanding of the defoaming of the spinning solution.
- the upper portion of the reaction vessel 1 is provided with a vacuum port 5, preferably on the upper header of the reaction vessel 1, to facilitate the escape of gas in the reaction vessel 1.
- the upper portion of the reaction vessel 1 may further be provided with a vacuum inlet port 15, so that after the completion of the defoaming, the inside of the reactor 1 is changed to a normal pressure to facilitate opening of the reaction vessel 1, and it is also convenient to output the spinning solution.
- a stopper 19 may be further disposed in the reaction vessel 1 to facilitate the understanding of the capacity of the spinning solution in the reactor 1.
- the upper portion of the reaction vessel 1 is provided with an observation window 21, a safety valve 28, an electric contact pressure gauge 29, a vacuum gauge 17, a manhole 23, a compressed air vent 24, a mirror lamp 26, and a sight glass 27.
- the annular feed pipe 7 is fixed by a support rod 20 fixed 150 mm above the umbrella-shaped diffuser plate 10 on the inner wall of the reaction vessel 1, and the annular feed pipe 7 is in communication with the feed port 3 and 5 ⁇ -5 ⁇ 8 ⁇
- the tube wall of the lower part of the horizontal center surface is evenly covered with a diameter of 0. 5mm-5mm discharge hole 8.
- the inner cylinder 9 is fixed at the center of the reaction vessel 1, and the fixing means that the inner cylinder 9 is fixed in the reaction vessel 1 through the upper and lower support rods 22.
- the upper end of the inner cylinder body 9 is closed only in relation to the opening of the lower end cylinder.
- the upper end of the inner cylinder 9 is filled with a circular plate filled with the small holes 11
- the purpose of the closure is to prevent the spinning solution lifted from the propeller 14 from directly flowing out from the upper end cylinder mouth, and to allow the spinning solution to be squeezed out from the liquid outlet orifice 11 on the upper end cylinder plate.
- the umbrella-shaped diffuser 10 is fixed on the outer circumference of the upper half of the inner cylinder 9, and it should be ensured that the lower edge of the umbrella-shaped diffuser 10 is above the effective volume level, and the top of the umbrella-shaped diffuser 10 is the most It is fixed at 300 mm from the upper end of the inner cylinder body 9, so that the inner cylinder 9 is divided into upper and lower portions by the umbrella-shaped diffuser 10; the annular diffuser 10 and the inner cylinder 9
- the angle of the axis a 65 ° ⁇ 80 °; the annular diffuser 10
- the stirring power device 13 includes a motor, a reducer, and a power bracket 25.
- the power bracket 25 is mounted on the top outer wall of the reaction vessel 1, and the speed reducer and the motor are mounted on the power bracket 25; the upper end of the stirring shaft 12 is mounted.
- the agitating power device 13 specifically, the agitating shaft 12 and the output shaft of the reducer are interlocked; the agitating shaft 12 passes downwardly from the upper end through the seat bearing provided in the power bracket 25, and passes through the sealing kettle for sealing
- a mechanical seal device 16 for assembling a gap with the agitating shaft 12 enters the dissolving tank 1, and the lower end is fixed to the bottom block bearing 6, and after the upper and lower ends are fixed, the agitating shaft 12 operates more stably.
- the seated bearing 6 is fixed at the axial center position of the inner wall of the reaction vessel 1;
- the propeller 14 has a gap of 3 mm to 5 mm between the inner cylinder wall of the inner cylinder 9.
- the invention greatly reduces the degradation of the spinning solution, realizes the high efficiency and high quality defoaming of the pure chitosan spinning solution, and ensures the industrial production of the high quality pure chitosan fiber.
- the high-viscosity spinning liquid defoaming device with high defoaming efficiency, good defoaming effect and avoiding broken yarn in spinning, the device can remove the air bubbles in a single time, and the viscosity range of the liquid is applicable. wide.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Artificial Filaments (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Accessories For Mixers (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/916,120 US20160193548A1 (en) | 2013-09-02 | 2014-09-01 | Defoaming apparatus for high-viscosity pure-chitosan spinning solution |
EP14841017.8A EP3042705B1 (en) | 2013-09-02 | 2014-09-01 | Defoaming apparatus for high-viscosity pure-chitosan spinning solution |
JP2016539408A JP6152480B2 (ja) | 2013-09-02 | 2014-09-01 | 高粘度純キトサンの紡糸液の気泡抜き装置 |
KR1020167008785A KR101770658B1 (ko) | 2013-09-02 | 2014-09-01 | 고점도 순키토산 방사액의 거품 제거 장치 |
CA2936307A CA2936307C (en) | 2013-09-02 | 2014-09-01 | Defoaming apparatus for high-viscosity pure-chitosan spinning solution |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310391878 | 2013-09-02 | ||
CN201310391878.8 | 2013-09-02 |
Publications (2)
Publication Number | Publication Date |
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WO2015027958A2 true WO2015027958A2 (zh) | 2015-03-05 |
WO2015027958A3 WO2015027958A3 (zh) | 2015-04-23 |
Family
ID=52585462
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2013/085719 WO2015027553A1 (zh) | 2013-09-02 | 2013-10-22 | 一种高黏度纯壳聚糖纺丝液的工业化脱泡装置 |
PCT/CN2014/085697 WO2015027958A2 (zh) | 2013-09-02 | 2014-09-01 | 一种高黏度纯壳聚糖纺丝液的脱泡装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2013/085719 WO2015027553A1 (zh) | 2013-09-02 | 2013-10-22 | 一种高黏度纯壳聚糖纺丝液的工业化脱泡装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20160193548A1 (zh) |
EP (1) | EP3042705B1 (zh) |
JP (1) | JP6152480B2 (zh) |
KR (1) | KR101770658B1 (zh) |
CA (1) | CA2936307C (zh) |
WO (2) | WO2015027553A1 (zh) |
Cited By (1)
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CN105413249A (zh) * | 2015-12-09 | 2016-03-23 | 江阴乐圩光电股份有限公司 | 双筒真空脱泡机 |
CN106847426B (zh) * | 2016-12-30 | 2018-08-28 | 山东迪赛机电有限公司 | 一种可控均衡流膜降阻负压除泡装置 |
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- 2014-09-01 JP JP2016539408A patent/JP6152480B2/ja active Active
- 2014-09-01 KR KR1020167008785A patent/KR101770658B1/ko active IP Right Grant
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WO2022036746A1 (zh) * | 2020-08-21 | 2022-02-24 | 苏州乾冠新纺织科技有限公司 | 一种驱蚊面料用驱蚊纺丝溶液调配装置 |
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EP3042705A2 (en) | 2016-07-13 |
WO2015027958A3 (zh) | 2015-04-23 |
KR101770658B1 (ko) | 2017-08-23 |
EP3042705A4 (en) | 2016-08-17 |
EP3042705B1 (en) | 2018-05-23 |
WO2015027553A1 (zh) | 2015-03-05 |
JP2016536482A (ja) | 2016-11-24 |
KR20160050076A (ko) | 2016-05-10 |
CA2936307C (en) | 2018-07-10 |
US20160193548A1 (en) | 2016-07-07 |
CA2936307A1 (en) | 2015-03-05 |
JP6152480B2 (ja) | 2017-06-21 |
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