CN102924703A - Double-shaftless high-viscosity polyester continuous production device - Google Patents
Double-shaftless high-viscosity polyester continuous production device Download PDFInfo
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- CN102924703A CN102924703A CN2012103240968A CN201210324096A CN102924703A CN 102924703 A CN102924703 A CN 102924703A CN 2012103240968 A CN2012103240968 A CN 2012103240968A CN 201210324096 A CN201210324096 A CN 201210324096A CN 102924703 A CN102924703 A CN 102924703A
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Abstract
The invention provides a double-shaftless high-viscosity polyester continuous production device which comprises a horizontal tackifying reaction kettle, wherein a driving shaft at the front end of the kettle penetrates through the center of a front end cover and is fixed with a front end connector in the kettle; a back section driving shaft is fixed on a back end connector in the kettle, penetrates through the center of a back end cover and is connected with a bearing carrier; two rotators are arranged in the kettle; each rotator is composed of a plurality of film pull inner parts, each of which is composed of a movable scraper seat, a movable scraper and a film pull rod; all the movable scraper seats are connected into an integral body with a plurality of connecting rods which are parallel to the central line of the reaction kettle, and are fixed to the front and back end connectors in the kettle; each set of movable scrapers on the left and right rotators are staggered in both horizontal direction and perpendicular direction; the leftmost end of the movable scraper on the left side of the left rotator on one circumference is adjacent to the middle part of the left inner barrel wall; and the rightmost end of the movable scraper on the right side of the right rotator is adjacent to the lower part of the right inner barrel wall. The device has the advantages of simple structure, flexible operation, energy saving, consumption reduction and low operating cost, and can efficiently implement one-step production of high-viscosity polyester.
Description
Technical field
The invention belongs to high molecular polymer production equipment technical field, be specifically related to a kind of two shaftless high-viscosity polyester continuous production device.
Background technology
Polyester viscosity is the most basic structural parameter of high molecular polymer, and it has direct impact to performance and the purposes of macromolecular material.High-viscosity polyester (PET) is the raw material of producing drink bottle, high-tenacity industrial yarns, cord thread and engineering plastics.At present, along with the continuous expansion of High Viscosity PET polyester Application Areas and the development of post-treatment technology, the market demand of high-viscosity polyester increases severely.
During high-viscosity polyester was produced, solid phase polycondensation was because the advantages such as its mild condition, good product quality become the at present polyester tackify industrial process of widespread use both at home and abroad.Yet, the production technique time of solid phase polycondensation long (＞30 hours), consume rare gas element large, expend time in also all higher with energy, simultaneously, because the natural characteristics of solid phase polycondensation process can make slice surface and middle limiting viscosity have difference, and increase along with the increase of viscosity.Although many researchs are also arranged at present, such as CN101921388A etc. solid phase polycondensation process is carried out improvement to a certain degree and makes product performance better, long flow path, energy consumption are high, the high bottleneck that exists in this technological development that remains of running cost.
Melt phase polycondensation also claims liquid-phase tackifying, is a kind of high-viscosity polyester novel process for preparing that development in recent years is got up.It refers to increase a reactor at the polycondensation vessel rear of general polycondensation production equipment, realizes the melt tackify by improving the modes such as melt devolatilization area and Surface Renewal rate.In view of the advantages such as efficient, energy-conservation and constant product quality of liquid-phase tackifying technology, have at present broad research at home and abroad, but only have several major companies to succeed in developing and realized industrial applications.
In recent years, domestic also have a lot of companies that the liquid-phase tackifying reactor has been carried out certain research.For example in CN3112545, propose to adopt the self-cleaning stirring system that satellite gear and spirochete composition are housed, make polyester fondant by opening for feed under the overhead stream of sun gear and satellite gear cylinder, in rotary course, melt moment is ground into film like and is flowed down, and finishes the material devolatilization and realizes high-viscosity polyester production.In addition, CN10176888A, CN101914820A, CN200964390Y also points out in the patents such as CN101125928, under certain condition, polyester can rely on gravity to realize tackify by the vertical falling-film device.Yet, for the high-viscosity polyester melt, rely on gravity nature film forming to carry out liquid-phase tackifying, its output will inevitably be subject to certain limitation, and simultaneously, there are very big difference in high-viscosity melt lower end film forming situation and discharging efficient in the time of also can be with charging.
Summary of the invention:
The object of the present invention is to provide a kind of simple in structure, the process energy consumption is little, tackify efficient is high two shaftless high-viscosity polyester continuous production device, to overcome the deficiencies in the prior art.
To achieve these goals, the present invention has adopted following technical scheme:
A kind of two shaftless high-viscosity polyester continuous production device, this device comprises that one is provided with the horizontal tackify reactor of inner barrel and jacket cylinder; Be divided into material inlet, the material outlet at the forward and backward two ends of reactor inner barrel, and the melt Conveying system that is connected with material import and export; Be divided into heating agent import, the heating agent outlet of the upper/lower terminal of reacting kettle jacketing cylindrical shell both sides, and import and export the heat medium system that is connected with heating agent; Be located at the valve tube interface on kettle top, and the vacuum system that is connected with the valve tube interface; The center that the reactor front end has a drive shaft to pass the reactor front end end cover is fixedly connected with the linker that is positioned at the reactor interior forward end, the linker that is positioned at the inner rear end of reactor is fixedly connected with the back segment drive shaft, and the back segment drive shaft passes the center of reactor rear end cap and is connected with bearing support on being installed in the reactor rear end cap; Be provided with left and right two rotatoies in the reactor, each rotator is made of by certain corner mode eccentric pattern many groups membrane internals, and every group of membrane internals comprise an annular, and the moving panel seat, rear end scraped is fixed on and movingly scrapes the moving scraper plate of a plurality of T fonts on the panel seat, connect adjacent two moving a plurality of membrane bars of prelaminar part of scraping; Each is moving scrapes panel seat and uses the many piece union levers parallel with the reactor medullary ray to connect into an integral body, and is fixed on the linker at forward and backward two ends in the still; Every group of moving scraper plate on left and right two rotatoies all is staggered in the horizontal direction with on the vertical direction; On same periphery, the moving scraper plate high order end on the left-handed left side of turning is pressed close to left inside barrel middle part, and the moving scraper plate low order end on the right of dextrorotation is turned is pressed close to right inside barrel bottom.
Tackify reactor among the present invention is horizontal two shaftless automatically cleaning reactor, and the membrane internals that inside reactor has particular design rely on the driven by motor internals rotation of main transmission end, thereby make the polyester fondant film forming.Establish two rotatoies in the tackify reactor, each rotator is made of according to certain pattern many groups membrane internals, and the moving scraper plate on two rotatoies is mutually to stagger, and is staggered, separately dismounting, whole internals can be by opening the front and rear cover integral disassembly, assembly.The membrane internals of this reactor inside cooperatively interact and with moderate speed's rotary work.The membrane internals of this pattern can be the film forming area that provides very high in the production of polyester and sufficient small molecules devolatilization area, are conducive to effectively deviating from of polyester fondant small molecular in the production process; Simultaneously, because it does not arrange axle ((inside reactor is actually two tubular shafts)), the polyester that has greatly reduced to occur when the popular response device is produced high-viscosity polyester twines the generation of axle phenomenon.In addition, there is very large gas-phase space the kettle top, and this small molecules that is conducive to produce in the high-viscosity polyester production process is in time deviate from; Moving scraper plate can scrape the melt on still wall and the union lever, thereby make the tackify reactor have self-cleaning function, avoid to a greater extent the dead angle occurring in the melt flow process, simultaneously, these scraper plates are intermeshing with certain rotating speed in the rotary course, and consequent dynamic outline line can guarantee that equally also polyester fondant does not produce the phenomenon at dead angle in equipment.
The membrane internals of two a rotating bodies of tackify reactor have at least more than one group among the present invention, many groups of moving scraper plates in these many group membrane internals are by certain corner mode eccentric pattern, can make like this membrane internals in the process of rotating, possess the melt prograding, thereby further guarantee not occur in the high-viscosity melt flow process back-mixing, improve the product homogeneity, simultaneously, the prograding of membrane internals can also guarantee the smooth discharging of polyester; In addition, can freely control the residence time of high-viscosity polyester in viscosity-increasing reactor by the angle of adjusting the membrane internals.
The production equipment of the continuous production high-viscosity polyester described in the present invention not only can be used for the PET(polyethylene terephthalate), and can be used for the PBS(poly butylene succinate), the PBT(polybutylene terephthalate), the PTT(Poly(Trimethylene Terephthalate)) etc. the production of dissimilar high-viscosity polyester.
Beneficial effect of the present invention:
Production equipment provided by the present invention is simple in structure, flexible operation, energy-saving and cost-reducing, running cost is cheap, can realize efficiently the One-step production high-viscosity polyester.This device has significantly reduced production energy consumption and the cost of producing high-viscosity polyester, has improved the production efficiency of high-viscosity polyester.This device is applicable to the processing of high sticking material in the polyester production process, is particularly suitable for producing the more process of high-viscosity material by high-viscosity material.
After the present invention adopts said structure, have flow process short, energy consumption is low, and production efficiency is high, and treatment capacity is large, and operation of equipment is flexible, quality product homogeneous, flexibility degree advantages of higher; Therefore, employing of the present invention will change the defectives such as the interior high-viscosity polyester production capacity of present industry is low, quality product heterogeneity, running cost height, to significantly improve industrial competition, realize industrial chain optimization, also will produce great promotion and pushing effect to the development of chemical fibre production industry.
Description of drawings
Fig. 1 is two shaftless high-viscosity polyester continuous production device structural representation of the present invention;
Fig. 2 is tackify reactor internals schematic diagram of the present invention (being the right side view of Fig. 1);
Fig. 3 is the moving scraper plate distribution schematic diagrams of the left axles of tackify reactor internals of the present invention (right axle);
Wherein: 1, heating agent import 2, material inlet 3, linker 4, front end end cover 5, drive shaft 6, the moving scraper plate 7 of left axle, the moving scraper plate 8 of right axle, moving panel seat 9, union lever 10, valve tube interface 11, inner barrel 12, jacket cylinder 13, heating agent outlet 14, rear end cap 15, material outlet 16, base 17, membrane bar 18, the bearing support scraped
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Embodiment 1
A kind of two shaftless high-viscosity polyester continuous production device, this device is comprised of horizontal two shaftless automatically cleaning tackify reactive systems, vacuum volatilization system, heat medium system and melt Conveying system, as shown in Figure 1 and Figure 2, this device comprises that one is installed on the base 16, is provided with the horizontal tackify reactor of inner barrel 11 and jacket cylinder 12; Be divided into material inlet 2, the material outlet 15 at the forward and backward two ends of reactor inner barrel, and be positioned at inner barrel, the melt Conveying system that is connected with material import and export; Be divided into heating agent import 1, the heating agent outlet 13 of the upper/lower terminal of reacting kettle jacketing cylindrical shell both sides, and be positioned at jacket cylinder, import and export the heat medium system that is connected with heating agent; Be located at the valve tube interface 10 on kettle top, and the vacuum system that is connected with the valve tube interface; The center that the reactor front end has a drive shaft 5 to pass reactor front end end cover 4 is fixedly connected with the linker 3 that is positioned at the reactor interior forward end, the linker that is positioned at the inner rear end of reactor is fixedly connected with the back segment drive shaft, and the back segment drive shaft passes the center of reactor rear end cap 14 and is connected with bearing support 18 on being installed in the reactor rear end cap; Be provided with left and right two rotatoies in the reactor, each rotator is made of many groups membrane internals, and every group of membrane internals comprise an annular, and the moving panel seat 8, rear end scraped is fixed on and movingly scrapes the moving scraper plate 6 or 7 of four T fonts on the panel seat, connect adjacent two moving four membrane bars 17 of prelaminar part of scraping; Each is moving scrapes the panel seat 8 usefulness four piece union levers 9 parallel with the reactor medullary ray and connects into an integral body, and is fixed on the linker 3 at forward and backward two ends in the still; The moving scraper plate 7 of every group of right axle on the moving scraper plate 6 of every group of left axle on left-handed the turning and dextrorotation are turned in the horizontal direction with all be mutually to stagger on the vertical direction, staggered; On same periphery, the moving scraper plate high order end on the left-handed left side of turning is pressed close to left inside barrel middle part, and the moving scraper plate low order end on the right of dextrorotation is turned is pressed close to right inside barrel bottom; Many groups of moving scraper plates in many groups membrane internals of two rotatoies are by certain corner mode eccentric pattern, as shown in Figure 3, it partly is along the spiral arrangement in cylindrical surface of pressing close to inner tube wall by certain corner mode that the front ends of organizing the moving scraper plate 6 of left axle and the moving scraper plate 7 of the right axle of many groups are pressed close to inner tube wall more.
The present invention comes work like this: the molten state material of common viscosity is delivered to the entrance 2 of tackify reactor at regular time and quantity in the polyester device via control valve, by by two rotatoies of driven by motor, material constantly advances with the rotation that is the membrane internals that certain corner mode installs, moving scraper plate 6,7 on two rotatoies is constantly forced membrane, just can react and taken away by vacuum interface 10 devolatilization is constantly occuring on continuous renewal film surface, small molecules.In this process, heating agent is by continuously entering the heating agent entrance 1 on the tackify reactor and being tackify reactor circulating-heating via the heating agent pipeline, afterwards from heating agent pipe outlet 13 out, thus guaranteed the demand of heat in the whole high-viscosity polyester production process; Meanwhile; vacuum system is constantly operation also; guarantee the vacuum tightness in the reaction process; thereby small molecules is more easily deviate from; after certain residence time; material exports 15 dischargings via the tackify reactor, and the equipment such as spinning manifold or dicing machine that are delivered to via the melt Conveying system carry out respectively different downstream production processes.Whole reaction process can be passed through the various ways adjustings such as temperature, vacuum tightness, rotating speed, liquid level, moving scraper plate corner, makes it to adapt to different material tackify requirements.
Implementation result:
Be the polyester fondant of 0.68dl/g with material characteristic viscosity, send into the shaftless high-viscosity polyester continuous production device of above-mentioned list, 285 ℃ of temperature, vacuum tightness is 100Pa, rotating speed be 5 turn/react 30min under the condition of min, obtain the melt that limiting viscosity is 0.95dl/g.
Embodiment 2
A kind of two shaftless high-viscosity polyester continuous production devices of the present embodiment, its primary structure is substantially the same manner as Example 1, different is, and this installs each and movingly scrapes uniform three moving scraper plates on the panel seat, connecting adjacent two moving membrane bars of scraping prelaminar part is three, and each is moving scrapes panel seat and use the three piece union levers parallel with the reactor medullary ray to connect into an integral body.
Implementation result:
Be the polyester fondant of 0.75dl/g with material characteristic viscosity, send into the shaftless high-viscosity polyester continuous production device of above-mentioned list, 288 ℃ of temperature, vacuum tightness is 50Pa, rotating speed be 5 turn/react 25min under the condition of min, obtain the melt that limiting viscosity is 1.05dl/g.
Claims (5)
1. two shaftless high-viscosity polyester continuous production device, this device comprises that one is provided with the horizontal tackify reactor of inner barrel and jacket cylinder; Be divided into material inlet, the material outlet at the forward and backward two ends of reactor inner barrel, and the melt Conveying system that is connected with material import and export; Be divided into heating agent import, the heating agent outlet of the upper/lower terminal of reacting kettle jacketing cylindrical shell both sides, and import and export the heat medium system that is connected with heating agent; Be located at the valve tube interface on kettle top, and the vacuum system that is connected with the valve tube interface; It is characterized in that, the center that the still front end has a drive shaft to pass the reactor front end end cover is fixedly connected with the linker of still Inner Front End, the linker that is positioned at the still rear end is fixedly connected with the back segment drive shaft, and the back segment drive shaft passes the center of reactor rear end cap and is connected with bearing support on being installed in rear end cap; Be provided with left and right two rotatoies in the reactor, each rotator is made of by certain corner mode eccentric pattern many groups membrane internals, and every group of membrane internals comprise an annular, and the moving panel seat, rear end scraped is fixed on and movingly scrapes the moving scraper plate of a plurality of T fonts on the panel seat, connect adjacent two moving a plurality of membrane bars of prelaminar part of scraping; Each is moving scrapes panel seat and uses the many piece union levers parallel with the reactor medullary ray to connect into an integral body, and is fixed on the linker at forward and backward two ends in the still; Every group of moving scraper plate on left and right two rotatoies all is staggered in the horizontal direction with on the vertical direction; On same periphery, the moving scraper plate high order end on the left-handed left side of turning is pressed close to left inside barrel middle part, and the moving scraper plate low order end on the right of dextrorotation is turned is pressed close to right inside barrel bottom.
2. two shaftless high-viscosity polyester continuous production device according to claim 1 is characterized in that, each moves and scrapes uniform three or four moving scraper plates on the panel seat.
3. two shaftless high-viscosity polyester continuous production device according to claim 1 and 2 is characterized in that, each is moving scrapes panel seat and use parallel with the reactor medullary ray three or four union levers to connect into an integral body.
4. two shaftless high-viscosity polyester continuous production device according to claim 1 and 2 is characterized in that, many groups that organize in the membrane internals are moved scraper plates by certain corner mode eccentric pattern more.
5. two shaftless high-viscosity polyester continuous production device according to claim 3 is characterized in that, many groups that organize in the membrane internals are moved scraper plates by certain corner mode eccentric pattern more.
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| CN201210324096.8A CN102924703B (en) | 2012-09-04 | 2012-09-04 | Double-shaftless high-viscosity polyester continuous production device |
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| CN201210324096.8A CN102924703B (en) | 2012-09-04 | 2012-09-04 | Double-shaftless high-viscosity polyester continuous production device |
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| CN102924703B CN102924703B (en) | 2014-05-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552085A (en) * | 2018-05-30 | 2019-12-10 | 陈大伟 | polyester waste cloth and waste silk recycling system and recycling method thereof |
| CN110964181A (en) * | 2019-11-27 | 2020-04-07 | 仪征威英化纤有限公司 | Tackifying device for regenerated polyester melt and production method of regenerated fiber |
| CN111185131A (en) * | 2020-02-25 | 2020-05-22 | 扬州瑞邦化工技术有限公司 | Continuous production device for special-shaped high-viscosity polymer melt |
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| JPS579380B2 (en) * | 1974-11-05 | 1982-02-20 | ||
| JPH0819713B2 (en) * | 1990-05-31 | 1996-02-28 | 松下電工株式会社 | Occupancy detection device for hot water washers for western-style toilets |
| CN101985096A (en) * | 2010-05-13 | 2011-03-16 | 中国石油天然气集团公司 | Self-cleaning polymerization reactor |
| CN202786078U (en) * | 2012-09-04 | 2013-03-13 | 上海聚友化工有限公司 | Double shaftless continuous production device for high-viscosity polyester |
-
2012
- 2012-09-04 CN CN201210324096.8A patent/CN102924703B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579380B2 (en) * | 1974-11-05 | 1982-02-20 | ||
| JPH0819713B2 (en) * | 1990-05-31 | 1996-02-28 | 松下電工株式会社 | Occupancy detection device for hot water washers for western-style toilets |
| CN101985096A (en) * | 2010-05-13 | 2011-03-16 | 中国石油天然气集团公司 | Self-cleaning polymerization reactor |
| CN202786078U (en) * | 2012-09-04 | 2013-03-13 | 上海聚友化工有限公司 | Double shaftless continuous production device for high-viscosity polyester |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552085A (en) * | 2018-05-30 | 2019-12-10 | 陈大伟 | polyester waste cloth and waste silk recycling system and recycling method thereof |
| CN110964181A (en) * | 2019-11-27 | 2020-04-07 | 仪征威英化纤有限公司 | Tackifying device for regenerated polyester melt and production method of regenerated fiber |
| CN111185131A (en) * | 2020-02-25 | 2020-05-22 | 扬州瑞邦化工技术有限公司 | Continuous production device for special-shaped high-viscosity polymer melt |
| CN111185131B (en) * | 2020-02-25 | 2024-01-26 | 扬州瑞邦科技发展有限公司 | Special-shaped high-viscosity polymer melt continuous production device |
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