CN205329219U - Mixed melt direct spinning system of bamboo charcoal polylactic acid - Google Patents
Mixed melt direct spinning system of bamboo charcoal polylactic acid Download PDFInfo
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- CN205329219U CN205329219U CN201620091718.0U CN201620091718U CN205329219U CN 205329219 U CN205329219 U CN 205329219U CN 201620091718 U CN201620091718 U CN 201620091718U CN 205329219 U CN205329219 U CN 205329219U
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Abstract
Mixed melt direct spinning system of bamboo charcoal polylactic acid, including polymerization frame and spinning box, top -down is equipped with the agitator tank in proper order on the polymerization frame, just gather the jar and gather the jar eventually, agitator tank bottom through first conveying pipeline with just gather tank deck portion and be connected, be equipped with an automatic control valve and first measuring pump on the first conveying pipeline, it is connected through second conveying pipeline and end gathering tank deck portion just to gather tank bottoms portion, be equipped with the 2nd automatic control valve and second measuring pump on the second conveying pipeline, it is connected with the third conveying pipeline to gather tank bottoms portion eventually, be equipped with the third measuring pump in proper order along the melt flow direction on the third conveying pipeline, filter the integrative pipeline formula compounding device of edulcoration device and sound, be equipped with spinning measuring pump and spinning subassembly in the spinning box. The utility model discloses a nanometer bamboo perfume carbon miropowder is modified to the polylactic acid, makes its fibre initial modulus who makes reduce, and the regain rises, and the wearability improves, and fibrous gas permeability is improved with obvious the arriving of feeling.
Description
Technical field
This utility model belongs to acid fiber by polylactic production technical field, is specifically related to a kind of bamboo charcoal polylactic acid blend melt direct fabrics system。
Background technology
Polylactic acid (PLA) fiber is with amyloid agricultural product such as Semen Maydis, Semen Tritici aestivi, Radix Betaes for raw material, after fermented generation lactic acid, makes then through polycondensation and melt spinning, and acid fiber by polylactic raw material sources are extensive。It can be analyzed to carbon dioxide and water in soil or sea water through microbial action, during burning, will not distribute poison, not result in pollution, is the ecological fiber of a kind of sustainable development。Its fabric feel, drapability are good, uvioresistant, have relatively low combustibility and excellent processing characteristics, it is adaptable to various fashionable dresses, easy dress, sports goods and hygienic article etc., have broad application prospects。
Polylactic acid (PLA) fiber has the plurality of advantages such as antibacterial, smooth, quick-drying, but it wears no resistance, and gets damp again relatively low, uses weaving face fabric relatively other chemical fibre textile fabric feel of its production substantially to harden, has a strong impact on result of use。Additionally, owing to the conveyance conduit of polylactic acid is longer, big especially near the high polymer molten viscosity of tube wall, molecular weight of high polymer wider distribution (uneven) problem that polylactic acid melt causes because melt flow is uneven in course of conveying, thus having influence on spinning quality。
Utility model content
This utility model is in order to solve weak point of the prior art, it is provided that a kind of simple in construction, automaticity are high, mixing homogeneity is high in course of conveying, the bamboo charcoal polylactic acid blend melt direct fabrics system that acid fiber by polylactic wearability is strong, regain is high that possesses remove impurity filtering function, produce。
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that bamboo charcoal polylactic acid blend melt direct fabrics system, including aggregation framework and spinning manifold, aggregation framework is sequentially provided with agitator tank from top to bottom, just poly-tank and eventually poly-tank, it is connected with just poly-tank top by the first conveying pipeline bottom agitator tank, first conveying pipeline is provided with the first autocontrol valve and the first dosing pump, just poly-pot bottom is connected with poly-tank top eventually by the second conveying pipeline, second conveying pipeline is provided with the second autocontrol valve and the second dosing pump, poly-pot bottom is connected to the 3rd conveying pipeline eventually, 3rd conveying pipeline is sequentially provided with the 3rd dosing pump along melt flows direction, filtering and impurity removing device and sound integrated pipeline formula mixing device, spinning pump and filament spinning component it is provided with in spinning manifold, 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 includes fixed-piping and batch mixing unit, batch mixing unit includes static batch mixing pipeline and the dynamic mixture pipeline of coaxial setting, the right-hand member Flange joint of the left end of dynamic mixture pipeline and static batch mixing pipeline, dynamic screw dividing plate it is provided with in dynamic mixture pipeline, dynamic mixture pipe interior is in axial direction separated into the first semicircle helical duct and the second semicircle helical duct, dynamic screw dividing plate and dynamic mixture inner-walls of duct matched in clearance by dynamic screw dividing plate；Being provided with static ribbon dividing plate in static batch mixing pipeline, static state batch mixing pipeline axially inside direction is separated into the 3rd semicircle helical duct and the 4th semicircle helical duct by static ribbon dividing plate, and static ribbon dividing plate is fixing with static batch mixing inner-walls of duct to be connected；
The plane at the place, both ends of dynamic screw dividing plate and static ribbon dividing plate is each 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 ribbon dividing plate right part is provided with static cone tank, center, static ribbon dividing plate left part is provided with static top, and dynamic top left end withstands in static cone tank；
Fixed-piping left end and dynamic mixture pipeline right-hand member Flange joint, be provided with support in fixed-piping, support is provided with stationary center, and stationary center left end withstands in dynamic cone tank。
Filtering and impurity removing device includes feedboard and is positioned at the reclaiming plate on front side of feedboard, the side of feedboard and reclaiming plate is connected through the hinge, the fixing connection of sunk screw that feedboard and reclaiming plate are arranged by front and back, on front side of feedboard and be correspondingly provided with filter chamber on rear side of reclaiming plate, on rear side of feedboard, middle part is provided with the charging aperture connected with filter chamber, reclaiming plate lower front is provided with the discharging opening connected with filter chamber, it is provided with the drainage screen in filter chamber in reclaiming plate and is positioned at the supporting network for supporting drainage screen on front side of drainage screen, the pressure transducer on rear side of drainage screen it is provided with in filter chamber, feedboard and reclaiming plate are offering impurity outlet relative to the side of hinge, impurity outlet place is provided with the plate for opening and closing impurity outlet, the rotary drag for striking off drainage screen trailing flank attachment impurity it is provided with in the middle part of reclaiming plate。
The quantity of batch mixing unit is be more than or equal to two groups, and Flange joint between two adjacent groups batch mixing unit, the top left end of static state of one group of batch mixing unit withstands in the dynamic cone tank of adjacent one group 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, 3rd conveying pipeline arranges sound integrated pipeline formula mixing device, have the advantages that under the effect of the 3rd dosing pump, polylactic acid bamboo charcoal melt after polymerization is entered by fixed-piping, when the melt of thickness under high pressure passes through dynamic mixture pipeline time, dynamic screw dividing plate starts to rotate 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 scraped and dynamic mixture pipeline mixes, and push ahead the 3rd semicircle helical duct in static batch mixing pipeline and mix in the 4th semicircle helical duct, enter back into after mixing and in dynamic mixture pipeline, repeat above-mentioned batch mixing process, after some groups of batch mixing unit, enter in spinning manifold, spinning pump enters into filament spinning component after polylactic acid bamboo charcoal melt-stoichiometry supercharging, polylactic acid bamboo charcoal melt is spun into bamboo charcoal acid fiber by polylactic by filament spinning component。
Due to the first semicircle helical duct and the second semicircle helical duct is longer and all in the axial direction for the hand of spiral arrange, thus can when pressurized melt is passed through, drive dynamic screw dividing plate rotate；The top form with the press-fit of cone tank top of rotary material of dynamic screw dividing plate, is not only easy to manufacture and assembling, and frictional force is less in rotary course, thus improving the efficiency of dynamic screw dividing plate scraper。The length of static batch mixing pipeline, less than the length of dynamic mixture pipeline, so can make most of length of the pipeline of whole conveying polylactic acid all can be wiped off by king-sized for the viscosity adhered on tube wall polylactic acid, fully improves the uniformity of mixing。
The remove impurity filtration operation process of melt is as follows: the macromolecule melt containing impurity and difficult plasticizing is pressed into filter chamber by extruder by charging aperture, and melt passes through outside discharging opening discharge machine after the filtration of drainage screen。In the process, driving device is rotated formula scraper and the bulky grain thing of the impurity being blocked on drainage screen rear surface and difficult plasticizing is wiped off and ground, and makes drainage screen remain bigger filter area, it is ensured that efficient filter effect。Along with the impurity in the filter chamber on rear side of drainage screen increases, filter cavity pressure and increase to the monitor value of pressure transducer, extract plate out, under the combined effect filtering cavity pressure and rotary drag rotation, large granular impurity is discharged by impurity outlet, along with the eliminating of impurity, filters cavity pressure and recovers to normal value, by on inserting board, impurity outlet is closed。
Rotated by rotary drag and remove filtering the impurity adhered to and get rid of outside machine, drainage screen can be avoided to block and extend the service life of drainage screen。When drainage screen changed by needs, back out sunk screw, due to the setting of hinge, rotatable open feedboard or reclaiming plate can be replaced operation。
In sum, this utility model is reasonable in design, simple in construction, directly some groups of batch mixing unit are set in smelt spout road, eliminate installation mixing system on conveyance conduit, saved cost, reach melt purpose of uniform batch mixing when flowing through conveyance conduit, conveying and batch mixing efficiency are greatly improved, and melt is carried out automatic fitration remove impurity, fully improve product quality。For making acid fiber by polylactic partial function and index improve, poly-lactic acid material adds 0.5%～15%(preferably 10%) nanoscale bamboo perfume (or spice) micropowder, it is modified, its fiber initial modulus made is made to reduce, regain rises, wearability improves, and the breathability of fiber and feel have significantly to improving。
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the present utility model 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 ribbon dividing plate in Fig. 2；
Fig. 5 is the structural representation of filtering and impurity removing device in Fig. 1。
Detailed description of the invention
Such as Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 5, bamboo charcoal polylactic acid blend melt direct fabrics system of the present utility model, including aggregation framework 16 and spinning manifold 17, aggregation framework 16 is sequentially provided with agitator tank 19 from top to bottom, just poly-tank 20 and eventually poly-tank 21, it is connected with just poly-tank 20 top by the first conveying pipeline 22 bottom agitator tank 19, first conveying pipeline 22 is provided with the first autocontrol valve 23 and the first dosing pump 24, just it is connected with poly-tank 21 top eventually by the second conveying pipeline 25 bottom poly-tank 20, second conveying pipeline 25 is provided with the second autocontrol valve 26 and the second dosing pump 27, it is connected to the 3rd conveying pipeline 28 eventually bottom poly-tank 21, 3rd conveying pipeline 28 is sequentially provided with the 3rd dosing pump 29 along melt flows direction, filtering and impurity removing device 30 and sound integrated pipeline formula mixing device 31, spinning pump 18 and filament spinning component 32 it is provided with in spinning manifold 17, 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 includes fixed-piping 1 and batch mixing unit, batch mixing unit includes static batch mixing pipeline 2 and the dynamic mixture pipeline 3 of coaxial setting, the right-hand member Flange joint of the left end of dynamic mixture pipeline 3 and static batch mixing pipeline 2, dynamic screw dividing plate 4 it is provided with in dynamic mixture pipeline 3, dynamic mixture pipeline 3 axially inside direction is separated into the first semicircle helical duct 5 and the second semicircle helical duct 6, dynamic screw dividing plate 4 and dynamic mixture pipeline 3 inwall matched in clearance by dynamic screw dividing plate 4；Being provided with static ribbon dividing plate 7 in static batch mixing pipeline 2, static state batch mixing pipeline 2 axially inside direction is separated into the 3rd semicircle helical duct 8 and the 4th semicircle helical duct 9 by static ribbon dividing plate 7, and static ribbon dividing plate 7 is fixing with static batch mixing pipeline 2 inwall to be connected。
The plane at the place, both ends of dynamic screw dividing plate 4 and static ribbon dividing plate 7 is each perpendicular to the central axis of dynamic mixture pipeline 3, center, dynamic screw dividing plate 4 right part is provided with dynamic cone tank 10, center, dynamic screw dividing plate 4 left part is provided with dynamically top 11, center, static ribbon dividing plate 7 right part is provided with static cone tank 12, center, static ribbon dividing plate 7 left part is provided with static top 13, and dynamically top 11 left ends withstand in static cone tank 12。
Fixed-piping 1 left end and dynamic mixture pipeline 3 right-hand member Flange joint, be provided with support 14 in fixed-piping 1, support 14 is provided with stationary center 15, and stationary center 15 left end withstands in dynamic cone tank 10。
The quantity of batch mixing unit is be more than or equal to two groups, and Flange joint between two adjacent groups batch mixing unit, top 13 left ends of static state of one group of batch mixing unit withstand in the dynamic cone tank 10 of adjacent one group 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 includes feedboard 33 and is positioned at the reclaiming plate 34 on front side of feedboard 33, the side of feedboard 33 and reclaiming plate 34 is connected by hinge 35, the fixing connection of sunk screw 36 that feedboard 33 and reclaiming plate 34 are arranged by front and back, on front side of feedboard 33 and be correspondingly provided with filter chamber 37 on rear side of reclaiming plate 34, on rear side of feedboard 33, middle part is provided with the charging aperture 38 connected with filter chamber 37, reclaiming plate 34 lower front is provided with the discharging opening 39 connected with filter chamber 37, it is provided with the drainage screen 40 in filter chamber 37 in reclaiming plate 34 and is positioned at the supporting network 41 for supporting drainage screen 40 on front side of drainage screen 40, the pressure transducer on rear side of drainage screen 40 it is provided with in filter chamber 37, feedboard 33 and reclaiming plate 34 are offering impurity outlet 42 relative to the side of hinge 35, impurity outlet 42 place is provided with the plate 43 for opening and closing impurity outlet 42, the rotary drag 44 for striking off drainage screen 40 trailing flank attachment impurity it is provided with in the middle part of reclaiming plate 34。In Fig. 5, arrow is the flow direction of melt。
3rd conveying pipeline 28 arranges sound integrated pipeline formula mixing device 31, have the advantages that under the effect of the 3rd dosing pump 29, polylactic acid after polymerization is entered by fixed-piping 1, when the melt of thickness under high pressure passes through dynamic mixture pipeline 3 time, dynamic screw dividing plate 4 starts to rotate 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 scraped and dynamic mixture pipeline 3 mixes, and push ahead the 3rd semicircle helical duct 8 in static batch mixing pipeline 2 and mix in the 4th semicircle helical duct 9, enter back into after mixing and in dynamic mixture pipeline 3, repeat above-mentioned batch mixing process, after some groups of batch mixing unit, enter in spinning manifold 17, spinning pump 18 enters into filament spinning component 32 after polylactic acid bamboo charcoal melt-stoichiometry supercharging, polylactic acid bamboo charcoal melt is spun into bamboo charcoal acid fiber by polylactic by filament spinning component 32。Owing to logical 6 roads of the first semicircle helical duct 5 and the second semicircle spiral are longer and arrange for the hand of spiral all in the axial direction, thus can when pressurized melt be passed through, driving dynamic screw dividing plate 4 rotates；The top form with the press-fit of cone tank top of rotary material of dynamic screw dividing plate 4, is not only easy to manufacture and assembling, and frictional force is less in rotary course, thus improving the efficiency of dynamic screw dividing plate 4 scraper。The length of static batch mixing pipeline 2, less than the length of dynamic mixture pipeline 3, so can make most of length of the pipeline of whole conveying polylactic acid all can be wiped off by king-sized for the viscosity adhered on tube wall polylactic acid, fully improves the uniformity of mixing。
The remove impurity filtration operation process of melt is as follows: the macromolecule melt containing impurity and difficult plasticizing is pressed into filter chamber 37 by extruder by charging aperture 38, and melt is discharged outside machine by discharging opening 39 after the filtration of drainage screen 40。In the process, driving device is rotated formula scraper 44 and the bulky grain thing of the impurity being blocked on drainage screen 40 rear surface and difficult plasticizing is wiped off and ground, and makes drainage screen 40 remain bigger filter area, it is ensured that efficient filter effect。Along with the impurity in the filter chamber 37 on rear side of drainage screen 40 increases, in filter chamber 37, pressure increases to the monitor value of pressure transducer, extract plate 43 out, under the combined effect that pressure and rotary drag 44 rotate in filter chamber 37, large granular impurity is discharged by impurity outlet 42, and along with the eliminating of impurity, in filter chamber 37, pressure recovers to normal value, being plugged by plate 43, impurity outlet 42 is closed。
Rotated by rotary drag 44 and remove filtering the impurity adhered to and get rid of outside machine, drainage screen 40 can be avoided to block and extend the service life of drainage screen 40。When drainage screen 40 changed by needs, back out sunk screw 36, due to the setting of hinge 35, rotatable open feedboard 33 or reclaiming plate 34 can be replaced operation。
Section making process step of the present utility model is as follows:
(1), lactide and bamboo perfume (or spice) charcoal micropowder being joined in agitator tank 19 and be stirred operation, wherein the weight of bamboo perfume (or spice) charcoal micropowder is the 0.5～15% of the gross weight of lactide and bamboo perfume (or spice) charcoal micropowder, stirs 20～40min, until mix homogeneously；
(2) the first autocontrol valve 23 bottom agitator tank 19, is opened, by the first dosing pump 24, the mixture of lactide and bamboo perfume (or spice) charcoal micropowder is carried out preliminary polymerization operation in tank 20 poly-at the beginning of the first conveying pipeline 22 drops into, preliminary polymerization operation is 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 lactide and bamboo perfume (or spice) charcoal micropowder is aggregated into the polylactic acid bamboo charcoal melt into thickness；
(3) the second autocontrol valve 26 just gathered bottom tank 20, is opened, by the second dosing pump 27 polylactic acid bamboo charcoal melt dropped into through the second conveying pipeline 25 and be eventually finally polymerized operation in poly-tank 21, final polymerization operation is temperature is 150～280 DEG C, the final time being polymerized operation is 1～6h, and pressure is 0.3MPa；
(4), open the 3rd autocontrol valve gathered eventually bottom tank 21, polylactic acid bamboo charcoal melt in poly-tank 21 is discharged through the 3rd conveying pipeline 28 eventually, 3rd conveying pipeline 28 is provided with the 3rd dosing pump 29, filtering and impurity removing device 30 and sound integrated pipeline formula mixing device 31, 3rd dosing pump 29 provides metering for polylactic acid bamboo charcoal melt, the power filtered and carry, impurity is first filtered by filtering and impurity removing device 30, polylactic acid bamboo charcoal melt is mixed by sound integrated pipeline formula mixing device 31, totally, the polylactic acid bamboo charcoal melt of mix homogeneously is made bamboo charcoal acid fiber by polylactic by filament spinning component 32 extrusion。
Above example is only in order to illustrative not limiting the technical solution of the utility model, although this utility model being described in detail with reference to above-described embodiment, it will be understood by those within the art that: still this utility model can be modified or equivalent replacement, without deviating from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model。
Claims (4)
1. bamboo charcoal polylactic acid blend melt direct fabrics system, it is characterized in that: include aggregation framework and spinning manifold, aggregation framework is sequentially provided with agitator tank from top to bottom, just poly-tank and eventually poly-tank, it is connected with just poly-tank top by the first conveying pipeline bottom agitator tank, first conveying pipeline is provided with the first autocontrol valve and the first dosing pump, just poly-pot bottom is connected with poly-tank top eventually by the second conveying pipeline, second conveying pipeline is provided with the second autocontrol valve and the second dosing pump, poly-pot bottom is connected to the 3rd conveying pipeline eventually, 3rd conveying pipeline is sequentially provided with the 3rd dosing pump along melt flows direction, filtering and impurity removing device and sound integrated pipeline formula mixing device, spinning pump and filament spinning component it is provided with in spinning manifold, 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 includes fixed-piping and batch mixing unit, batch mixing unit includes static batch mixing pipeline and the dynamic mixture pipeline of coaxial setting, the right-hand member Flange joint of the left end of dynamic mixture pipeline and static batch mixing pipeline, dynamic screw dividing plate it is provided with in dynamic mixture pipeline, dynamic mixture pipe interior is in axial direction separated into the first semicircle helical duct and the second semicircle helical duct, dynamic screw dividing plate and dynamic mixture inner-walls of duct matched in clearance by dynamic screw dividing plate；Being provided with static ribbon dividing plate in static batch mixing pipeline, static state batch mixing pipeline axially inside direction is separated into the 3rd semicircle helical duct and the 4th semicircle helical duct by static ribbon dividing plate, and static ribbon dividing plate is fixing with static batch mixing inner-walls of duct to be connected；
The plane at the place, both ends of dynamic screw dividing plate and static ribbon dividing plate is each 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 ribbon dividing plate right part is provided with static cone tank, center, static ribbon dividing plate left part is provided with static top, and dynamic top left end withstands in static cone tank；
Fixed-piping left end and dynamic mixture pipeline right-hand member Flange joint, be provided with support in fixed-piping, support is provided with stationary center, and stationary center left end withstands in dynamic cone tank。
2. bamboo charcoal polylactic acid blend melt direct fabrics system according to claim 1, it is characterized in that: filtering and impurity removing device includes feedboard and is positioned at the reclaiming plate on front side of feedboard, the side of feedboard and reclaiming plate is connected through the hinge, the fixing connection of sunk screw that feedboard and reclaiming plate are arranged by front and back, on front side of feedboard and be correspondingly provided with filter chamber on rear side of reclaiming plate, on rear side of feedboard, middle part is provided with the charging aperture connected with filter chamber, reclaiming plate lower front is provided with the discharging opening connected with filter chamber, it is provided with the drainage screen in filter chamber in reclaiming plate and is positioned at the supporting network for supporting drainage screen on front side of drainage screen, the pressure transducer on rear side of drainage screen it is provided with in filter chamber, feedboard and reclaiming plate are offering impurity outlet relative to the side of hinge, impurity outlet place is provided with the plate for opening and closing impurity outlet, the rotary drag for striking off drainage screen trailing flank attachment impurity it is provided with in the middle part of reclaiming plate。
3. bamboo charcoal polylactic acid blend melt direct fabrics system according to claim 1 and 2, it is characterized in that: the quantity of batch mixing unit is be more than or equal to two groups, Flange joint between two adjacent groups batch mixing unit, the top left end of static state of one group of batch mixing unit withstands in the dynamic cone tank of adjacent one group batch mixing unit, and fixed-piping is connected with one group of batch mixing unit of low order end。
4. bamboo charcoal polylactic acid blend melt direct fabrics system according to claim 1 and 2, it is characterised in that: the length of static batch mixing pipeline is less than the length of dynamic mixture pipeline。
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| CN201620091718.0U CN205329219U (en) | 2016-01-30 | 2016-01-30 | Mixed melt direct spinning system of bamboo charcoal polylactic acid |
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| CN201620091718.0U CN205329219U (en) | 2016-01-30 | 2016-01-30 | Mixed melt direct spinning system of bamboo charcoal polylactic acid |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603550A (en) * | 2016-01-30 | 2016-05-25 | 河南省龙都生物科技有限公司 | Direct spinning system for mixed melt of bamboo charcoal and polylactic acid |
| 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 |
-
2016
- 2016-01-30 CN CN201620091718.0U patent/CN205329219U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603550A (en) * | 2016-01-30 | 2016-05-25 | 河南省龙都生物科技有限公司 | Direct spinning system for mixed melt of bamboo charcoal and polylactic acid |
| CN105603550B (en) * | 2016-01-30 | 2017-11-10 | 河南省龙都生物科技有限公司 | Bamboo charcoal PLA blend melt direct fabrics system |
| 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 |
| CN111501117B (en) * | 2020-05-20 | 2021-04-27 | 吉林中粮生化有限公司 | PLA/PHA fiber and device and method for online preparation of PLA/PHA fiber |
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