CN104562224A - Continuous spinning process for exhaust extruder and equipment - Google Patents
Continuous spinning process for exhaust extruder and equipment Download PDFInfo
- Publication number
- CN104562224A CN104562224A CN201410835187.7A CN201410835187A CN104562224A CN 104562224 A CN104562224 A CN 104562224A CN 201410835187 A CN201410835187 A CN 201410835187A CN 104562224 A CN104562224 A CN 104562224A
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- China
- Prior art keywords
- extruder
- melt
- drying tower
- vented
- exhaust
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- 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
- D01D1/04—Melting filament-forming substances
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses a continuous spinning process for an exhaust extruder and equipment. The continuous spinning process comprises the following steps: charging materials into a drying tower, starting a dehumidifier, conveying the dehumidified materials from the drying tower to the exhaust extruder under the operation of a spiral conveyor, feeding the materials to a first stage A of an exhaust screw of the exhaust extruder, removing gas to reduce the content of water in a melt, feeding the materials to a second stage B of the exhaust screw for further compression and mixed homogenization, and then extruding the materials from a discharging opening of the extruder; pressurizing, cooling and filtering the extruded melt, feeding the melt to a metering pump in a box body, supplying the melt to an assembly in the box body, forming a small melt flow through a spinneret plate, and performing circular blowing, bundling oiling, passage and winding through a winding machine to obtain a finished product. The equipment comprises a drying machine and the spiral conveyor connected to the drying machine, wherein the exhaust extruder is connected to the back of the spiral conveyor; a pressurizing pump is connected to the back of the extruder; a melt cooler is connected to the back of the pressurizing pump; a spinning box body is connected to the back of the melt cooler; a passage is arranged on the lower side of the spinning box body; an air blowing device is arranged at the edge side of the spinning box body.
Description
Technical field
The present invention relates to plastic sheet plasticizing and spinning field, especially a kind of degassing extruder continuous spinning process and equipment thereof.
Background technology
Plastify in spinning process at PET bottle sheet (plastic sheet), material needs drying fully just can enter next step processing, comprise after plastic sheet is extruded by extruder and become melt, melt filters through booster pump supercharging, cooler cooling, fondant filter, after spinning manifold spinning, then blow through ring, boundling oils, path, winder winding around finished product.But existing extrusion equipment can produce gas in raw material extrusion, the source of gas mainly comprises three aspects: one is the air that material is brought into; Two is the moisture that material adsorbs, and is evaporated to steam at processing temperatures; Three is the evaporations of the residual monomer of internal batch, low molecular weight volatile thing and moisture.If there is gas bubbles left, in spinning process, end breakage rate can rise, and also produces harmful effect to the physical property of finished product
Summary of the invention
Of the present invention is for the problems referred to above, provides a kind of degassing extruder continuous spinning process and equipment thereof.
The technical scheme that the present invention solves the employing of its technical problem is:
Degassing extruder continuous spinning process of the present invention, at least comprises the steps:
(1) material enters from the feeding mouth of drying tower, fully mixes under mixer stirs;
(2) material after mixing concentrates in drying tower, starts dehumidifier, reduces the humidity of material;
(3) material, under the work of conveying worm, is delivered to the feed hopper vented extruder by the material after dehumidifying from drying tower;
(4) material enters the first stage A of vented screw, and Solid Conveying and Melting, melting compression and mixing homogenizing are to plastifying state;
(5) due to the unexpected intensification of screw channel on vented screw, and the swabbing action of vavuum pump, pressure drop, in plastic melt, air under pressure foams in the melt with the volatile matter gasified, under the stirring shear action of vented screw, bubbles burst, the gas of spilling is discharged from exhaust outlet, reduces the moisture in melt;
(7) through the melt of exhaust, continue the second stage B entering vented screw, compression and mixing homogenizing, then extrude from the discharging opening of extruder further;
(8) the above-mentioned melt extruded enters melt cooler cooling after booster pump supercharging, enter fondant filter again to filter, the impurity retained in removing melt, the melt filtered through fondant filter enters measuring pump in casing, be supplied to the assembly in casing, form melt stream through spinnerets, then blow through ring, boundling oils, path, winder winding around finished product.
Equipment of the present invention comprises drying machine and is connected to the conveying worm on drying machine, vented extruder is connect after described conveying worm, booster pump is connect after extruder, melt cooler is connect after booster pump, spinning manifold is connect after melt cooler, be provided with path on the downside of spinning manifold, spinning manifold avris is provided with blowing device; Described drying machine comprises dehumidifier and drying tower, and dehumidifier is connected on drying tower; Described vented extruder comprises extruder and extraction sector, and extruder is connected with extraction sector, and top, extruder one end is provided with feed hopper, and the extruder other end is provided with discharging opening; The feed end of described conveying worm is connected with drying tower, and the discharge end of conveying worm is facing to feed hopper.
Described extraction sector comprises blast pipe, air exhaust filtering device and vavuum pump, described blast pipe one end connecting extruder,
The other end is connected with vavuum pump by air exhaust filtering device; Described extruder top is provided with exhaust outlet, and described extruder is connected with blast pipe by exhaust outlet; Described extruder comprises vented screw, vented screw and reduction box, and vented screw is located in extruder, and described vented screw is connected with reduction box, and reduction box is connected with motor.
It is described that dehumidifier upper end is provided with discharge pipe, lower end is provided with backwind tube; Be provided with mixer in described drying tower, drying tower bottom is provided with hopper, and drying tower top is provided with feeding mouth; Described dehumidifier is communicated with drying tower top by discharge pipe, and dehumidifier is communicated with by the hopper of backwind tube with drying tower bottom; Described conveying worm tilts to be installed between drying machine and vented extruder, and the feed end of conveying worm is connected with the hopper of drying tower bottom.
The invention has the beneficial effects as follows: the present invention, in the dry run of material, employs vented extruder, air exhaust filtering device and vavuum pump, and combinationally using of these equipment can improve drying efficiency, shorten drying time.The steam that vented screw in vented extruder evaporates under can making the moisture content in material, solvent, monomer, incoagulable gas and processing temperature is volatilized and is removed, thus eliminates bubble, ensure that the quality spinning silk.
Accompanying drawing explanation
Fig. 1 is the structural representation of present device.
Fig. 2 is the structural representation of extruder of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, degassing extruder continuous spinning process of the present invention, at least comprises the steps:
(1) material enters from the feeding mouth 2-2 of drying tower, fully mixes under mixer 2-3 stirs;
(2) material after mixing concentrates in drying tower 2, starts dehumidifier 1, reduces the humidity of material;
(3) material, under the work of conveying worm 3, is delivered to the feed hopper 4 vented extruder by the material after dehumidifying from drying tower 2.
(4) material enters the first stage A of vented screw, and Solid Conveying and Melting, melting compression and mixing homogenizing are to plastifying state;
(5) due to the unexpected intensification of screw channel on vented screw 14, and the swabbing action of vavuum pump 8, pressure drop, in plastic melt, air under pressure foams in the melt with the volatile matter gasified, under the stirring shear action of vented screw 14, bubbles burst, the gas of spilling is discharged from exhaust outlet 5-1, reduces the moisture in melt;
(7) through the melt of exhaust, continue the second stage B entering vented screw 14, compression and mixing homogenizing, then extrude from the discharging opening 5-2 of extruder further.
(8) after above-mentioned melt booster pump 9 supercharging of extruding, cool through melt cooler 10, enter fondant filter 11 to filter, the impurity retained in removing melt, the melt filtered through fondant filter 11 enters the measuring pump of casing 12, be supplied to the assembly in casing 12, form melt stream through spinnerets, then blow through ring, boundling oils, path, winder winding around finished product.
Equipment of the present invention comprises drying machine and is connected to the conveying worm 3 on drying machine, vented extruder is connect after described conveying worm 3, booster pump 9 is connect after extruder, melt cooler 10 is connect after booster pump 9, spinning manifold 12 is connect after melt cooler 10, be provided with path 13 on the downside of spinning manifold 12, spinning manifold 12 avris is provided with blowing device.Blowing device comprises ring blow head 14, pressure stabilizing chamber 16 and air-conditioning 16.
Described drying machine comprises dehumidifier 1 and drying tower 2, and dehumidifier 1 is connected on drying tower 2.Described vented extruder comprises extruder 5 and extraction sector, and extruder 5 is connected with extraction sector.Top, extruder 5 one end is provided with feed hopper 4, and the extruder other end is provided with discharging opening 5-2.The feed end 3-1 of described conveying worm 3 is connected with drying tower 2, and the discharge end 3-2 of conveying worm 3 is facing to feed hopper 4.
Described extraction sector comprises blast pipe 6, air exhaust filtering device 7 and vavuum pump 8, described blast pipe 6 one end connecting extruder 5, and the other end is connected 8 by air exhaust filtering device 7 with vavuum pump.Described extruder 5 top is provided with exhaust outlet 5-1, and described extruder 5 is connected with blast pipe 6 by exhaust outlet 5-1.Described extruder 5 comprises vented screw 14, vented screw 14 and reduction box 15, and vented screw 14 to be located in extruder 5 and to be connected with reduction box 15, and reduction box 15 is connected with motor 16.
Described dehumidifier upper end is provided with discharge pipe 1-1, lower end is provided with backwind tube 2-1.Be provided with mixer 2-3 in described drying tower 2, drying tower 2 bottom is provided with hopper 2-4, and drying tower 2 top is provided with feeding mouth 2-2.Described dehumidifier 1 is communicated with drying tower 2 top by discharge pipe 1-1, and dehumidifier 1 is communicated with the hopper 2-4 of drying tower 2 bottom by backwind tube 2-1.Described conveying worm 3 tilts to be installed between drying machine and vented extruder.Described conveying worm 3 tilts to be installed between drying machine and vented extruder, and the feed end 3-1 of conveying worm is connected with the hopper 2-4 of drying tower 2 bottom.
Claims (4)
1. a degassing extruder continuous spinning process, is characterized in that described processing step at least comprises:
(1) material enters from the feeding mouth of drying tower, fully mixes under mixer stirs;
(2) material after mixing concentrates in drying tower, starts dehumidifier, reduces the humidity of material;
(3) material, under the work of conveying worm, is delivered to the feed hopper vented extruder by the material after dehumidifying from drying tower;
(4) material enters the first stage A of vented screw, and Solid Conveying and Melting, melting compression and mixing homogenizing are to plastifying state;
(5) due to the unexpected intensification of screw channel on vented screw, and the swabbing action of vavuum pump, pressure drop, in plastic melt, air under pressure foams in the melt with the volatile matter gasified, under the stirring shear action of vented screw, bubbles burst, the gas of spilling is discharged from exhaust outlet, reduces the moisture in melt;
(7) through the melt of exhaust, continue the second stage B entering vented screw, compression and mixing homogenizing, then extrude from the discharging opening of extruder further;
(8) the above-mentioned melt extruded is through booster pump supercharging, after melt cooler cooling, enter fondant filter to filter, the impurity retained in removing melt, the melt filtered through fondant filter enters measuring pump in casing, be supplied to the assembly in casing, form melt stream through spinnerets, then blow through ring, boundling oils, path, winder winding around finished product.
2. the equipment of a kind of degassing extruder continuous spinning process according to claim 1, is characterized in that described equipment comprises drying
Machine and the conveying worm be connected on drying machine, connect vented extruder after described conveying worm, connect booster pump after extruder, melt cooler is connect after booster pump, connect spinning manifold after melt cooler, be provided with path on the downside of spinning manifold, spinning manifold avris is provided with blowing device; Described drying machine comprises dehumidifier and drying tower, and dehumidifier is connected on drying tower; Described vented extruder comprises extruder and extraction sector, and extruder is connected with extraction sector, and top, extruder one end is provided with feed hopper, and the extruder other end is provided with discharging opening; The feed end of described conveying worm is connected with drying tower, and the discharge end of conveying worm is facing to feed hopper.
3. the equipment of a kind of degassing extruder continuous spinning process according to claim 2, is characterized in that described extraction sector bag
Draw together blast pipe, air exhaust filtering device and vavuum pump, described blast pipe one end connecting extruder, the other end is connected with vavuum pump by air exhaust filtering device; Described extruder top is provided with exhaust outlet, and described extruder is connected with blast pipe by exhaust outlet; Described extruder comprises vented screw, vented screw and reduction box, and vented screw is located in extruder, and described vented screw is connected with reduction box, and reduction box is connected with motor.
4. the equipment of a kind of degassing extruder continuous spinning process according to claim 2, is characterized in that described dehumidifier upper end is provided with discharge pipe, lower end is provided with backwind tube; Be provided with mixer in described drying tower, drying tower bottom is provided with hopper, and drying tower top is provided with feeding mouth; Described dehumidifier is communicated with drying tower top by discharge pipe, and dehumidifier is communicated with by the hopper of backwind tube with drying tower bottom; Described conveying worm tilts to be installed between drying machine and vented extruder, and the feed end of conveying worm is connected with the hopper of drying tower bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410835187.7A CN104562224A (en) | 2014-12-30 | 2014-12-30 | Continuous spinning process for exhaust extruder and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410835187.7A CN104562224A (en) | 2014-12-30 | 2014-12-30 | Continuous spinning process for exhaust extruder and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104562224A true CN104562224A (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410835187.7A Pending CN104562224A (en) | 2014-12-30 | 2014-12-30 | Continuous spinning process for exhaust extruder and equipment |
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| Country | Link |
|---|---|
| CN (1) | CN104562224A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908523A (en) * | 2016-05-24 | 2016-08-31 | 禾欣可乐丽超纤皮(嘉兴)有限公司 | Process and device for recycling polyethylene recovered from microfiber synthetic leather production |
| CN113430660A (en) * | 2021-07-18 | 2021-09-24 | 刘金英 | Chemical spinning processing device |
| CN114808280A (en) * | 2022-05-30 | 2022-07-29 | 安徽中特新材料有限公司 | Production equipment and production method of non-woven adhesive interlining |
| TWI827634B (en) * | 2018-07-17 | 2024-01-01 | 奧地利商蘭仁股份有限公司 | A method and device for the separation of solvent from process air in the production of spundbond fabrics |
-
2014
- 2014-12-30 CN CN201410835187.7A patent/CN104562224A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908523A (en) * | 2016-05-24 | 2016-08-31 | 禾欣可乐丽超纤皮(嘉兴)有限公司 | Process and device for recycling polyethylene recovered from microfiber synthetic leather production |
| CN105908523B (en) * | 2016-05-24 | 2018-06-15 | 禾欣可乐丽超纤皮(嘉兴)有限公司 | The process and device that the polyethylene recycled in a kind of microfiber synthetic leather production recycles |
| TWI827634B (en) * | 2018-07-17 | 2024-01-01 | 奧地利商蘭仁股份有限公司 | A method and device for the separation of solvent from process air in the production of spundbond fabrics |
| CN113430660A (en) * | 2021-07-18 | 2021-09-24 | 刘金英 | Chemical spinning processing device |
| CN114808280A (en) * | 2022-05-30 | 2022-07-29 | 安徽中特新材料有限公司 | Production equipment and production method of non-woven adhesive interlining |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |
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| WD01 | Invention patent application deemed withdrawn after publication |