CN105603550A - Direct spinning system for mixed melt of bamboo charcoal and polylactic acid - Google Patents
Direct spinning system for mixed melt of bamboo charcoal and polylactic acid Download PDFInfo
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- CN105603550A CN105603550A CN201610062898.4A CN201610062898A CN105603550A CN 105603550 A CN105603550 A CN 105603550A CN 201610062898 A CN201610062898 A CN 201610062898A CN 105603550 A CN105603550 A CN 105603550A
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- pipeline
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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
- D01D13/00—Complete machines for producing artificial threads
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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
- D01D1/06—Feeding liquid to the spinning head
- D01D1/065—Addition and mixing of substances to the spinning solution or to the melt; Homogenising
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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
- D01D1/10—Filtering or de-aerating the spinning solution or melt
- D01D1/106—Filtering
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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
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a direct spinning system for mixed melt of bamboo charcoal and polylactic acid, comprising a polymerization framework and a spinning box body, wherein a stirring tank, a primary polymerization tank and a final polymerization tank are arranged on the polymerization framework in turn from top to bottom, the bottom of the stirring tank is in connection with the top of the primary polymerization tank through a first material conveying pipe, a first automatic control valve and a first metering pump are arranged on the first material conveying pipe, the bottom of the primary polymerization tank is in connection with the top of the final polymerization tank through a second material conveying pipe, a second automatic control valve and a second metering pump are arranged on the second material conveying pipe, a third material conveying pipe is connected to the bottom of the final polymerization tank, a third metering pump, a filtering and impurity removing device and a dynamic/static integrated pipeline type material mixing device are arranged on the third material conveying pipe in turn in a melt flowing direction, and a spinning metering pump and a spinning component are arranged in the spinning box body. According to the direct spinning system for the mixed melt of the bamboo charcoal and the polylactic acid provided by the invention, nanoscale bamboo fragrance charcoal micro powder is employed to modify the polylactic acid, and therefore fiber which is prepared from the modified polylactic acid has the advantages of reduced initial modulus, rising moisture regain, increased wear resistance and obviously improved air permeability and hand feeling.
Description
Technical field
The invention belongs to acid fiber by polylactic production technical field, be specifically related to a kind of bamboo charcoal PLA blend melt direct fabrics system.
Background technology
PLA (PLA) fiber is taking amyloid agricultural product such as corn, wheat, beets as raw material, after fermentation generates lactic acid, then makes through polycondensation and melt spinning, and acid fiber by polylactic raw material sources are extensive. It can be decomposed into carbon dioxide and water through microbial action in soil or seawater, when burning, can not distribute poison gas, can not pollute, and be a kind of ecological fiber of sustainable development. Its fabric feel, drapability are good, and uvioresistant, has lower combustibility and good processing characteristics, is applicable to various fashionable dresses, easy dress, sports goods and amenities etc., has broad application prospects.
The plurality of advantages such as that PLA (PLA) fiber has is antibacterial, smooth, quick-drying, but it wears no resistance, and gets damp again lower, uses the weaving face fabric of its production obviously to harden compared with other chemical fibre textile fabric feel, has a strong impact on result of use. In addition, because the conveyance conduit of PLA is longer, high polymer molten viscosity near tube wall is large especially, molecular weight of high polymer wider distribution (inhomogeneous) problem that polylactic acid melt causes because melt flow is inhomogeneous in course of conveying, thus have influence on spinning quality.
Summary of the invention
The present invention is in order to solve weak point of the prior art, provide a kind of simple in structure, automaticity is high, high, the bamboo charcoal PLA blend melt direct fabrics system that acid fiber by polylactic wearability is strong, regain is high that possesses removal of impurities filtering function, produce of mixture homogeneity in course of conveying.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: bamboo charcoal PLA blend melt direct fabrics system, comprise aggregation framework and spinning manifold, in aggregation framework, be provided with successively agitator tank from top to bottom, just poly-tank and eventually poly-tank, agitator tank bottom is connected with just poly-tank top by the first conveying pipeline, the first conveying pipeline is provided with the first autocontrol valve and the first measuring pump, just poly-pot bottom is connected with eventually poly-tank top by the second conveying pipeline, the second conveying pipeline is provided with the second autocontrol valve and the second measuring pump, eventually poly-pot bottom is connected with the 3rd conveying pipeline, on the 3rd conveying pipeline, be provided with successively the 3rd measuring pump along melt flows direction, filtering and impurity removing device and sound integrated pipeline formula mixing device, in spinning manifold, be provided with spinning pump and filament spinning component, the discharging opening of the 3rd conveying pipeline extend in spinning manifold and is connected with the charging aperture of spinning pump, the discharging opening of spinning pump is connected with the charging aperture of filament spinning component,
Sound integrated pipeline formula mixing device comprises fixed-piping and batch mixing unit, batch mixing unit comprises static batch mixing pipeline and the dynamic mixture pipeline of coaxial setting, the left end of dynamic mixture pipeline is connected with the right-hand member flange of static batch mixing pipeline, in dynamic mixture pipeline, be provided with dynamic screw dividing plate, dynamic mixture pipe interior is in axial direction separated into the first semicircle helical duct and the second semicircle helical duct by dynamic screw dividing plate, dynamic screw dividing plate and dynamic mixture inner-walls of duct matched in clearance; In static batch mixing pipeline, be provided with static helical baffle, static batch mixing pipe interior is in axial direction separated into the 3rd semicircle helical duct and the 4th semicircle helical duct by static helical baffle, and static helical baffle is fixedly connected with static batch mixing inner-walls of duct;
The plane at the place, both ends of dynamic screw dividing plate and static helical baffle is all perpendicular to the central axis of dynamic mixture pipeline, center, dynamic screw dividing plate right part is provided with dynamic cone tank, center, dynamic screw dividing plate left part is provided with dynamically top, center, static helical baffle right part is provided with static cone tank, center, static helical baffle left part is provided with static top, and dynamic top left end withstands in static cone tank;
Fixed-piping left end is connected with dynamic mixture pipeline right-hand member flange, is provided with support in fixed-piping, and support is provided with stationary center, and stationary center left end withstands in dynamic cone tank.
Filtering and impurity removing device comprises feedboard and is positioned at the reclaiming plate of feedboard front side, one side of feedboard and reclaiming plate is connected through the hinge, the sunk screw that feedboard arranges by front and back with reclaiming plate is fixedly connected with, feedboard front side and reclaiming plate rear side correspondence are provided with filter chamber, feedboard rear side middle part is provided with the charging aperture being communicated with filter chamber, before reclaiming plate, side lower part is provided with the discharging opening being communicated with filter chamber, in reclaiming plate, be provided be positioned at filter chamber screen pack and be positioned at screen pack front side for supporting the supporting network of screen pack, in filter chamber, be provided with the pressure sensor that is positioned at screen pack rear side, feedboard and reclaiming plate offer impurity outlet in the side with respect to hinge, impurity outlet place is provided with the plate for opening and closing impurity outlet, reclaiming plate middle part is provided with the rotary scraper that adheres to impurity for striking off screen pack trailing flank.
The quantity of batch mixing unit is more than or equal to two groups, and between two adjacent groups batch mixing unit, flange connects, and the top left end of static state of one group of batch mixing unit withstands in the dynamic cone tank of one group of adjacent batch mixing unit, and fixed-piping is connected with one group of batch mixing unit of low order end.
The length of static batch mixing pipeline is less than the length of dynamic mixture pipeline.
Adopt technique scheme, sound integrated pipeline formula mixing device is set on the 3rd conveying pipeline, there is following beneficial effect: under the effect of the 3rd measuring pump, PLA bamboo charcoal melt after polymerization is entered by fixed-piping, in the time that the melt of thickness under high pressure passes through dynamic mixture pipeline, dynamic screw dividing plate starts rotation under the promotion of melt, the dynamic screw dividing plate that viscous melt on the inwall of dynamic mixture pipeline is rotated scrapes, rarer melt that obtains in the middle of the viscous melt scraping and dynamic mixture pipeline mixes, and push ahead in the 3rd semicircle helical duct in static batch mixing pipeline and the 4th semicircle helical duct and mix, after mixing, enter into again and in dynamic mixture pipeline, repeat above-mentioned batch mixing process, behind some groups of batch mixing unit, enter in spinning manifold, spinning pump will enter into filament spinning component after the supercharging of PLA bamboo charcoal melt-stoichiometry, PLA bamboo charcoal melt is spun into bamboo charcoal acid fiber by polylactic by filament spinning component.
Because the first semicircle helical duct and the second semicircle helical duct are long and be all hand of spiral setting in the axial direction, like this will pressurized melt by time, drive dynamic screw dividing plate to rotate; The top form with the interference fit of cone tank top of the rotation material of dynamic screw dividing plate, be not only easy to manufacture and assembling, and frictional force is less in rotary course, thereby improves the efficiency of dynamic screw dividing plate scraper. The length of static batch mixing pipeline is less than the length of dynamic mixture pipeline, can make so most of length of the pipeline of whole conveying PLA all king-sized the viscosity of adhering on tube wall PLA can be wiped off, fully improves the uniformity of mixing.
The removal of impurities filtration operation process of melt is as follows: the macromolecule melt that contains impurity and difficult plasticizing is pressed into filter chamber by extruder by charging aperture, melt after the filtration of filter screen by outside discharging opening discharge machine. In this process, drive unit driven rotary formula scraper is wiped the impurity and the difficult bulky grain thing plastifying that are blocked on screen pack rear surface grind off, makes screen pack remain larger filter area, ensures efficient filter effect. Along with the impurity in the filter chamber of screen pack rear side increases, filter chamber internal pressure increases to the monitor value of pressure sensor, extract plate out, under the acting in conjunction of filter chamber internal pressure and the rotation of rotary scraper, large granular impurity is discharged by impurity outlet, and along with the eliminating of impurity, filter chamber internal pressure returns to normal value, by on inserting board, impurity outlet is closed.
By rotary scraper rotation, the impurity adhering on filtering removed and got rid of outside machine, can avoid screen pack to stop up and extend the service life of screen pack. In the time that needs are changed screen pack, back out sunk screw, due to the setting of hinge, rotatablely open feedboard or reclaiming plate can be changed operation.
In sum, the present invention is reasonable in design, simple in structure, some groups of batch mixing unit are directly set in melt Conveying pipeline, have saved mixing system is installed on conveyance conduit, saved cost, reach the object of melt even batch mixing in the time flowing through conveyance conduit, conveying and batch mixing efficiency improve greatly, and melt is carried out to automatic fitration removal of impurities, fully improve product quality. For acid fiber by polylactic partial function and index are improved, in poly-lactic acid material, add 0.5%～15%(preferably 10%) the fragrant micropowder of nanoscale bamboo, it is carried out to modification, its fiber initial modulus of making is reduced, regain rises, wearability improves, and the gas permeability of fiber and feel have significantly to improving.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the present invention in Fig. 1 with one group of batch mixing unit;
Fig. 3 is the perspective view of dynamic screw dividing plate in Fig. 2;
Fig. 4 is the perspective view of static helical baffle in Fig. 2;
Fig. 5 is the structural representation of filtering and impurity removing device in Fig. 1.
Detailed description of the invention
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 5, bamboo charcoal PLA blend melt direct fabrics system of the present invention, comprise aggregation framework 16 and spinning manifold 17, in aggregation framework 16, be provided with successively agitator tank 19 from top to bottom, just poly-tank 20 and eventually poly-tank 21, agitator tank 19 bottoms are connected with just poly-tank 20 tops by the first conveying pipeline 22, the first conveying pipeline 22 is provided with the first autocontrol valve 23 and the first measuring pump 24, just poly-tank 20 bottoms are connected with eventually poly-tank 21 tops by the second conveying pipeline 25, the second conveying pipeline 25 is provided with the second autocontrol valve 26 and the second measuring pump 27, eventually poly-tank 21 bottoms are connected with the 3rd conveying pipeline 28, on the 3rd conveying pipeline 28, be provided with successively the 3rd measuring pump 29 along melt flows direction, filtering and impurity removing device 30 and sound integrated pipeline formula mixing device 31, in spinning manifold 17, be provided with spinning pump 18 and filament spinning component 32, the discharging opening of the 3rd conveying pipeline 28 extend in spinning manifold 17 and is connected with the charging aperture of spinning pump 18, the discharging opening of spinning pump 18 is connected with the charging aperture of filament spinning component 32.
Sound integrated pipeline formula mixing device 31 comprises fixed-piping 1 and batch mixing unit, batch mixing unit comprises static batch mixing pipeline 2 and the dynamic mixture pipeline 3 of coaxial setting, the left end of dynamic mixture pipeline 3 is connected with the right-hand member flange of static batch mixing pipeline 2, in dynamic mixture pipeline 3, be provided with dynamic screw dividing plate 4, dynamic mixture pipeline 3 inside are in axial direction separated into the first semicircle helical duct 5 and the second semicircle helical duct 6 by dynamic screw dividing plate 4, dynamic screw dividing plate 4 and dynamic mixture pipeline 3 inwall matched in clearance; In static batch mixing pipeline 2, be provided with static helical baffle 7, static batch mixing pipeline 2 inside are in axial direction separated into the 3rd semicircle helical duct 8 and the 4th semicircle helical duct 9 by static helical baffle 7, and static helical baffle 7 is fixedly connected with static batch mixing pipeline 2 inwalls.
The plane at the place, both ends of dynamic screw dividing plate 4 and static helical baffle 7 is all perpendicular to the central axis of dynamic mixture pipeline 3, dynamic screw dividing plate 4 centers, right part are provided with dynamic cone tank 10, dynamic screw dividing plate 4 centers, left part are provided with dynamic top 11, static helical baffle 7 centers, right part are provided with static cone tank 12, static helical baffle 7 centers, left part are provided with static top 13, and dynamically top 11 left ends withstand in static cone tank 12.
Fixed-piping 1 left end is connected with dynamic mixture pipeline 3 right-hand member flanges, is provided with support 14 in fixed-piping 1, and support 14 is provided with stationary center 15, and stationary center 15 left ends withstand in dynamic cone tank 10.
The quantity of batch mixing unit is more than or equal to two groups, between two adjacent groups batch mixing unit, flange connects, top 13 left ends of static state of one group of batch mixing unit withstand in the dynamic cone tank 10 of one group of adjacent batch mixing unit, and fixed-piping 1 is connected with one group of batch mixing unit of low order end. The length of static batch mixing pipeline 2 is less than the length of dynamic mixture pipeline 4.
Filtering and impurity removing device 30 comprises feedboard 33 and is positioned at the reclaiming plate 34 of feedboard 33 front sides, one side of feedboard 33 and reclaiming plate 34 is connected by hinge 35, the sunk screw 36 that feedboard 33 arranges by front and back with reclaiming plate 34 is fixedly connected with, feedboard 33 front sides and reclaiming plate 34 rear side correspondences are provided with filter chamber 37, feedboard 33 rear side middle parts are provided with the charging aperture 38 being communicated with filter chamber 37, the front side lower part of reclaiming plate 34 is provided with the discharging opening 39 being communicated with filter chamber 37, in reclaiming plate 34, be provided be positioned at the screen pack 40 of filter chamber 37 and be positioned at screen pack 40 front sides for supporting the supporting network 41 of screen pack 40, in filter chamber 37, be provided with the pressure sensor that is positioned at screen pack 40 rear sides, feedboard 33 and reclaiming plate 34 offer impurity outlet 42 in the side with respect to hinge 35, impurity outlet 42 places are provided with the plate 43 for opening and closing impurity outlet 42, reclaiming plate 34 middle parts are provided with the rotary scraper 44 that adheres to impurity for striking off screen pack 40 trailing flanks. the flow direction that in Fig. 5, arrow is melt.
Sound integrated pipeline formula mixing device 31 is set on the 3rd conveying pipeline 28, there is following beneficial effect: under the effect of the 3rd measuring pump 29, PLA after polymerization is entered by fixed-piping 1, when the melt of thickness is under high pressure by dynamic mixture pipeline 3 time, dynamic screw dividing plate 4 starts rotation under the promotion of melt, the dynamic screw dividing plate 4 that viscous melt on the inwall of dynamic mixture pipeline 3 is rotated scrapes, rarer melt that obtains in the middle of the viscous melt scraping and dynamic mixture pipeline 3 mixes, and push ahead in the 3rd semicircle helical duct 8 in static batch mixing pipeline 2 and the 4th semicircle helical duct 9 and mix, after mixing, enter into again that dynamic mixture pipeline 3 is interior repeats above-mentioned batch mixing process, behind some groups of batch mixing unit, enter in spinning manifold 17, spinning pump 18 will enter into filament spinning component 32 after the supercharging of PLA bamboo charcoal melt-stoichiometry, PLA bamboo charcoal melt is spun into bamboo charcoal acid fiber by polylactic by filament spinning component 32. because logical 6 roads of the first semicircle helical duct 5 and the second semicircle spiral are long and be all hand of spiral setting in the axial direction, like this will pressurized melt by time, driving dynamic screw dividing plate 4 rotates, the top form with the interference fit of cone tank top of the rotation material of dynamic screw dividing plate 4, be not only easy to manufacture and assembling, and frictional force is less in rotary course, thereby improves the efficiency of dynamic screw dividing plate 4 scrapers. the length of static batch mixing pipeline 2 is less than the length of dynamic mixture pipeline 3, can make so most of length of the pipeline of whole conveying PLA all king-sized the viscosity of adhering on tube wall PLA can be wiped off, fully improves the uniformity of mixing.
The removal of impurities filtration operation process of melt is as follows: the macromolecule melt that contains impurity and difficult plasticizing is pressed into filter chamber 37 by extruder by charging aperture 38, and melt passes through outside discharging opening 39 discharge machines after the filtration of filter screen 40. In this process, drive unit driven rotary formula scraper 44 is wiped the impurity and the difficult bulky grain thing plastifying that are blocked on screen pack 40 rear surfaces grind off, makes screen pack 40 remain larger filter area, ensures efficient filter effect. Along with the impurity in the filter chamber 37 of screen pack 40 rear sides increases, filter chamber 37 internal pressures increase to the monitor value of pressure sensor, extract plate 43 out, under the acting in conjunction of rotating at filter chamber 37 internal pressures and rotary scraper 44, large granular impurity is discharged by impurity outlet 42, and along with the eliminating of impurity, filter chamber 37 internal pressures return to normal value, plate 43 is plugged, and impurity outlet 42 is closed.
Rotate the impurity adhering on filtering is removed and got rid of outside machine by rotary scraper 44, can avoid screen pack 40 to stop up and extend the service life of screen pack 40. In the time that needs are changed screen pack 40, back out sunk screw 36, due to the setting of hinge 35, rotatablely open feedboard 33 or reclaiming plate 34 can be changed operation.
Section making process step of the present invention is as follows:
(1), fragrant to lactide and bamboo charcoal micro mist is joined in agitator tank 19 and stirs operation, wherein the weight of the fragrant charcoal micro mist of bamboo be lactide and the fragrant charcoal micro mist of bamboo gross weight 0.5～15%, stir 20～40min, until mix;
(2), open the first autocontrol valve 23 of agitator tank 19 bottoms, by the first measuring pump 24, the mixture of lactide and the fragrant charcoal micro mist of bamboo in dropping into just poly-tank 20, the first conveying pipeline 22 is carried out to preliminary polymerization operation, preliminary polymerization operation is that temperature is 100～150 DEG C, the time of preliminary polymerization operation is 1～2h, pressure is 0.2MPa, after preliminary polymerization operation, the mixture of the fragrant charcoal micro mist of lactide and bamboo is aggregated into the PLA bamboo charcoal melt into thickness;
(3), open the second autocontrol valve 26 of just poly-tank 20 bottoms, by the second measuring pump 27, PLA bamboo charcoal melt in dropping into eventually poly-tank 21, the second conveying pipeline 25 is carried out to final polymerization operation, final polymerization operation is that temperature is 150～280 DEG C, the time of final polymerization operation is 1～6h, and pressure is 0.3MPa;
(4), open the 3rd autocontrol valve of eventually poly-tank 21 bottoms, PLA bamboo charcoal melt in eventually poly-tank 21 is discharged through the 3rd conveying pipeline 28, the 3rd conveying pipeline 28 is provided with the 3rd measuring pump 29, filtering and impurity removing device 30 and sound integrated pipeline formula mixing device 31, the 3rd measuring pump 29 provides metering for PLA bamboo charcoal melt, the power that filters and carry, filtering and impurity removing device 30 first filters impurity, sound integrated pipeline formula mixing device 31 mixes PLA bamboo charcoal melt, totally, the PLA bamboo charcoal melt mixing is extruded and is made bamboo charcoal acid fiber by polylactic by filament spinning component 32.
Above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify or be equal to replacement the present invention, and not departing from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (4)
1. bamboo charcoal PLA blend melt direct fabrics system, it is characterized in that: comprise aggregation framework and spinning manifold, in aggregation framework, be provided with successively agitator tank from top to bottom, just poly-tank and eventually poly-tank, agitator tank bottom is connected with just poly-tank top by the first conveying pipeline, the first conveying pipeline is provided with the first autocontrol valve and the first measuring pump, just poly-pot bottom is connected with eventually poly-tank top by the second conveying pipeline, the second conveying pipeline is provided with the second autocontrol valve and the second measuring pump, eventually poly-pot bottom is connected with the 3rd conveying pipeline, on the 3rd conveying pipeline, be provided with successively the 3rd measuring pump along melt flows direction, filtering and impurity removing device and sound integrated pipeline formula mixing device, in spinning manifold, be provided with spinning pump and filament spinning component, the discharging opening of the 3rd conveying pipeline extend in spinning manifold and is connected with the charging aperture of spinning pump, the discharging opening of spinning pump is connected with the charging aperture of filament spinning component,
Sound integrated pipeline formula mixing device comprises fixed-piping and batch mixing unit, batch mixing unit comprises static batch mixing pipeline and the dynamic mixture pipeline of coaxial setting, the left end of dynamic mixture pipeline is connected with the right-hand member flange of static batch mixing pipeline, in dynamic mixture pipeline, be provided with dynamic screw dividing plate, dynamic mixture pipe interior is in axial direction separated into the first semicircle helical duct and the second semicircle helical duct by dynamic screw dividing plate, dynamic screw dividing plate and dynamic mixture inner-walls of duct matched in clearance; In static batch mixing pipeline, be provided with static helical baffle, static batch mixing pipe interior is in axial direction separated into the 3rd semicircle helical duct and the 4th semicircle helical duct by static helical baffle, and static helical baffle is fixedly connected with static batch mixing inner-walls of duct;
The plane at the place, both ends of dynamic screw dividing plate and static helical baffle is all perpendicular to the central axis of dynamic mixture pipeline, center, dynamic screw dividing plate right part is provided with dynamic cone tank, center, dynamic screw dividing plate left part is provided with dynamically top, center, static helical baffle right part is provided with static cone tank, center, static helical baffle left part is provided with static top, and dynamic top left end withstands in static cone tank;
Fixed-piping left end is connected with dynamic mixture pipeline right-hand member flange, is provided with support in fixed-piping, and support is provided with stationary center, and stationary center left end withstands in dynamic cone tank.
2. bamboo charcoal PLA blend melt direct fabrics system according to claim 1, it is characterized in that: filtering and impurity removing device comprises feedboard and is positioned at the reclaiming plate of feedboard front side, one side of feedboard and reclaiming plate is connected through the hinge, the sunk screw that feedboard arranges by front and back with reclaiming plate is fixedly connected with, feedboard front side and reclaiming plate rear side correspondence are provided with filter chamber, feedboard rear side middle part is provided with the charging aperture being communicated with filter chamber, before reclaiming plate, side lower part is provided with the discharging opening being communicated with filter chamber, in reclaiming plate, be provided be positioned at filter chamber screen pack and be positioned at screen pack front side for supporting the supporting network of screen pack, in filter chamber, be provided with the pressure sensor that is positioned at screen pack rear side, feedboard and reclaiming plate offer impurity outlet in the side with respect to hinge, impurity outlet place is provided with the plate for opening and closing impurity outlet, reclaiming plate middle part is provided with the rotary scraper that adheres to impurity for striking off screen pack trailing flank.
3. bamboo charcoal PLA blend melt direct fabrics system according to claim 1 and 2, it is characterized in that: the quantity of batch mixing unit is more than or equal to two groups, between two adjacent groups batch mixing unit, flange connects, the top left end of static state of one group of batch mixing unit withstands in the dynamic cone tank of one group of adjacent batch mixing unit, and fixed-piping is connected with one group of batch mixing unit of low order end.
4. bamboo charcoal PLA blend melt direct fabrics system according to claim 1 and 2, is characterized in that: the length of static batch mixing pipeline is less than the length of dynamic mixture pipeline.
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| CN201610062898.4A CN105603550B (en) | 2016-01-30 | 2016-01-30 | Bamboo charcoal PLA blend melt direct fabrics system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610062898.4A CN105603550B (en) | 2016-01-30 | 2016-01-30 | Bamboo charcoal PLA blend melt direct fabrics system |
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| CN105603550A true CN105603550A (en) | 2016-05-25 |
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| CN111501117A (en) * | 2020-05-20 | 2020-08-07 | 吉林中粮生化有限公司 | P L A/PHA fibers and apparatus and methods for on-line production of P L A/PHA fibers |
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