CN102219924B - Device for separating cotton-polyester blended fabrics and repolymerizing polyester - Google Patents

Device for separating cotton-polyester blended fabrics and repolymerizing polyester Download PDF

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Publication number
CN102219924B
CN102219924B CN2011101464175A CN201110146417A CN102219924B CN 102219924 B CN102219924 B CN 102219924B CN 2011101464175 A CN2011101464175 A CN 2011101464175A CN 201110146417 A CN201110146417 A CN 201110146417A CN 102219924 B CN102219924 B CN 102219924B
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China
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terepthaloyl moietie
connects
alcoholysis reaction
reactor
delivery conduit
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CN2011101464175A
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CN102219924A (en
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唐世君
汪少朋
石巍
李智
赖军
梁高勇
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Quartermaster Research Institute of General Logistics Department of CPLA
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Quartermaster Research Institute of General Logistics Department of CPLA
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

Abstract

The invention relates to a device for separating cotton-polyester blended fabrics and repolymerizing polyester, which is characterized by comprising a feeding mechanism, an alcoholysis reaction mechanism, a continuous separation mechanism, a pre-polycondensation mechanism and a final-polycondensation mechanism, wherein the alcoholysis reaction mechanism comprises an alcoholysis reactor connected with a discharge hole of the feeding mechanism; a No.1 separation device of the continuous separation mechanism is connected with a discharge hole of the alcoholysis reactor; the bottom of the No.1 separation device is respectively connected with an oligomer receiving groove and a glycol washing groove; a discharge hole of the glycol washing groove is connected with a No.2 separation device; the bottom of the No.2 separation device is respectively connected with a glycol receiving groove and a cotton fiber receiving groove; the pre-polycondensation mechanism comprises an oligomer output pipeline connected with the oligomer receiving groove; the output end of the oligomer output pipeline is connected with a pre-polycondensation reactor; the final-polycondensation mechanism comprises a prepolymer output pipeline connected with the pre-polycondensation reactor; the output end of the prepolymer output pipeline is connected with a final-polycondensation reactor; a discharge hole of the final-polycondensation reactor is connected with a final-polycondensation product output pipeline; and a band extruder is arranged at the tail end of the final-polycondensation product output pipeline.

Description

A kind of polyester cotton separates and terylene repolymerization device
Technical field
The present invention relates to a kind of polyester cotton and separate and terylene repolymerization device, particularly the terylene composition in the waste and old polyester cotton is separated with the cotton fibre composition about a kind of, and with the device of isolated terylene composition repolymerization.
Background technology
China is a weaving big country, and the raw-material demand of annual textiles reaches more than 3,500 ten thousand tons, because shortage of resources need a large amount of textiless of import and starting material thereof every year, but the utilization ratio of China's reclaimed materials is but extremely low.It is estimated that more than 2,000 ten thousand tons of the quantity of annual waste textile, the overwhelming majority are failed effective recycling, cause the waste textile enormous amount nearly, not only contaminate environment, occupy a large amount of storage spaces, and cause the great wasting of resources.In today of the resource of advocating thriftiness, low-carbon emission, the separation of waste textile and utilize and received great concern separates waste textile and the sharp pollution that can reduce waste again, alleviates environmental stress, realizes making full use of of resource.But because the restriction of technology, fund and equipment etc., present most of waste textiles all mainly adopt the physics absorption method, carry out preliminary mechanical workout, burn or bury etc., have greatly limited the recovery value and regeneration economic benefit of waste textile.Aspect the chemical method recovery, because textiles is not all to exist with the pure form of spinning of single component, most of BLENDED FABRIC etc. can not direct separation or are directly recycled, and have influenced recycling efficient.
Along with the continuous expansion of textile production scale and use range, the kind of waste textile and quantity are also in continuous increase.Waste textile is divided according to fibre fractionation, can be divided into single-component fabric and BLENDED FABRIC.At present, the recoverying and utilizing method of single-component textiles: 1, the utilization again of textile textiles, promptly through physical methods such as opener technologies; The textile textiles shredding of will giving up becomes staple fibre; The utilization of spinning again, but because fiber is shorter, can only be used for low value-added product; 2, pure terylene textiles is recycled, and two kinds of approach are arranged: 1) physical method, and through granule, respin and process polyester staple fiber, but brute force is lower, can not be used for conventional textiles; 2) chemical process through various chemical processes such as hydrolysis method, alcoholysis method, supercutical fluid methods, is degraded into monomer or half ester with polyester, is used as chemical raw material or coating, tackiness agent etc.
Because the output of polyester cotton is the highest, discarded amount at most, therefore, polyester cotton shared ratio in waste textile is maximum.But because the polyester cotton recovery difficult is very big, domestic for a long time never enterprise carries out this type of work, and at present unique application can only be used as weighting material etc., and therefore, the recycling problem of polyester cotton never is settled properly.So a kind of generation that can directly waste and old polyester cotton be separated continuously, efficiently, in batches reconstruction device will be to solve the first-selection that waste and old polyester cotton is recycled.
Summary of the invention
To the problems referred to above; The purpose of this invention is to provide a kind of polyester cotton separates and terylene repolymerization device; It can be continuously, efficient, the terylene composition in the waste and old polyester cotton is separated with the cotton fibre composition in batches; And can isolated terylene composition repolymerization have been solved the recycling problem of waste and old polyester cotton.
For realizing above-mentioned purpose, the present invention takes following technical scheme: a kind of polyester cotton separates and terylene repolymerization device, it is characterized in that: it comprises feeding mechanism, alcoholysis reaction mechanism, separation mechanism, precondensation mechanism and final minification gather mechanism continuously; Said alcoholysis reaction mechanism comprises the alcoholysis reaction device of the discharge port that connects said feeding mechanism, and said alcoholysis reaction device is provided with ethanol filling line and condensing surface, and said alcoholysis reaction device bottom is provided with discharge port; Said continuous separation mechanism comprises a tripping device and No. two tripping devices; A said tripping device connects the discharge port of said alcoholysis reaction device, and the liquid exit of a said tripping device connects the oligopolymer Receiving bin, and the solid material outlet of a said tripping device connects the terepthaloyl moietie rinse bath; Said No. two tripping devices connect the discharge port of said terepthaloyl moietie rinse bath, and the liquid exit of said No. two tripping devices connects the terepthaloyl moietie Receiving bin, and the solid material outlet of said No. two tripping devices connects the cotton fibre Receiving bin; Said precondensation mechanism comprises the oligopolymer delivery conduit that connects said oligopolymer Receiving bin discharge port; Be disposed with conveyance gear pump, strainer, threeway and terepthaloyl moietie vaporizer on the said oligopolymer delivery conduit; Said threeway also connects terepthaloyl moietie filling line and syringe; The outlet of said terepthaloyl moietie vaporizer is provided with Prepolycondensating reactor, and said Prepolycondensating reactor is through the pipe connection vacuum pump, and said vacuum pump is through pipe connection terepthaloyl moietie hot well; Said final minification gathers mechanism and comprises the prepolymer delivery conduit that connects said Prepolycondensating reactor; The output terminal of said prepolymer delivery conduit connects final polycondensation reactor; The final minification that the discharge port of said final polycondensation reactor connects gathers and is disposed with discharging toothed gear pump, viscosity tester and strainer on the product delivery conduit, and the output terminal that said final minification gathers the product delivery conduit is provided with the Cast Strip device; Said final polycondensation reactor is through the pipe connection vacuum pump, and said vacuum pump is through pipe connection terepthaloyl moietie hot well.
Said feeding mechanism comprises a chamber tube, is provided with transmission screw in the tube of said chamber, and the power intake of said transmission screw connects the output shaft of phonomoter, and an end of said chamber tube is provided with feeding mouth, and the other end is provided with discharge port.
Said alcoholysis reaction utensil in the said alcoholysis reaction mechanism has temperature automatically controlled heating function, is provided with agitator arm in the said alcoholysis reaction device.
A said tripping device and No. two tripping devices in the said continuous separation mechanism include a separator tank; Said separator tank bottom one end is provided with liquid exit; The other end is provided with solid material outlet; Be provided with a transmission transition band through transmission shaft drive operation in the said separator tank, said transmission transition band is provided with squeezer roll, and said transmission transition band and the corresponding end of said solid material outlet are provided with the broach roller.
Said terepthaloyl moietie Receiving bin bottom in the said continuous separation mechanism is connected with a terepthaloyl moietie delivery conduit; Said terepthaloyl moietie delivery conduit is provided with the glycol circulation pump; Said glycol circulation pump output terminal is connected with three terepthaloyl moietie filling lines; Article one, said terepthaloyl moietie filling line connects the said alcoholysis reaction device in the said alcoholysis reaction mechanism; The said terepthaloyl moietie filling line of second connects the said terepthaloyl moietie rinse bath in the said continuous separation mechanism, and the 3rd said terepthaloyl moietie filling line connects the oligopolymer delivery conduit in the said precondensation mechanism; And be provided with a flow director on three the said terepthaloyl moietie filling line.
Said Prepolycondensating reactor in the said precondensation mechanism is the Prepolycondensating reactor with temperature automatically controlled heating function; The said final polycondensation reactor that said final minification gathers in the mechanism is the final polycondensation reactor with temperature automatically controlled heating function.
The present invention is owing to take above technical scheme, and it has the following advantages: 1, the present invention is provided with feeding mechanism, alcoholysis reaction mechanism, separation mechanism, precondensation mechanism and final minification gather mechanism continuously; The terylene composition of waste and old polyester cotton in alcoholysis reaction mechanism by alcoholysis after, enter into continuous separation mechanism; Separation mechanism separates the alcoholysis product of liquid state with solid-state cotton fibre continuously; Liquid alcoholysis product successively gets into prepolymerization reaction mechanism, final minification and gathers behind the reaction mechanism again that repolymerization is a dacron polyester; Realized in the waste and old polyester cotton terylene composition and cotton fibre composition efficiently, separate continuously and reproduce, and separate cotton fibre and dacron polyester after reproducing and all meet and utilize requirement again.2, comprise the tube chamber that is built-in with screw rod in the feeding mechanism of the present invention, therefore, in the importing alcoholysis reaction device that can waste textiles is regular.3, the liquid outlet of the bottom of the terepthaloyl moietie Receiving bin in the continuous separation mechanism of the present invention connects the terepthaloyl moietie delivery conduit, and the terepthaloyl moietie delivery conduit is provided with the glycol circulation pump, and the glycol circulation pump output terminal is connected with some terepthaloyl moietie filling lines; Terepthaloyl moietie through terepthaloyl moietie delivery conduit, glycol circulation pump and the output of terepthaloyl moietie filling line can directly be injected in the alcoholysis reaction device in the terepthaloyl moietie rinse bath, in the alcoholysis reaction mechanism; And in the Prepolycondensating reactor in the precondensation mechanism, recycle, therefore; After completion is reproduced in separation; Do not have the leakage and the loss of terepthaloyl moietie, more do not produce any waste, can not cause any pollution.4, Prepolycondensating reactor of the present invention and final polycondensation reactor are all through being connected vacuum pump; Vacuum pump is through pipe connection terepthaloyl moietie hot well; Therefore, the terepthaloyl moietie that produces and need in Prepolycondensating reactor and the final polycondensation reactor reaction process all can and provide through the preservation of terepthaloyl moietie hot well.The present invention separates cotton fibre and dacron polyester after reproducing and meets and utilize requirement again; Realized waste and old polyester cotton efficient, continuously, separation in batches and reproducing; And reproduce in separation and not produce any pollution in the process; Therefore, can be widely used in the recycling process of waste and old polyester cotton.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention
Fig. 2 is feeding mechanism of the present invention and alcoholysis reaction structural scheme of mechanism
Fig. 3 is the continuous separation mechanism synoptic diagram of the present invention
Fig. 4 is a precondensation structural scheme of mechanism of the present invention
Fig. 5 is that final minification of the present invention gathers structural scheme of mechanism
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is carried out detailed description.
As shown in Figure 1, apparatus of the present invention comprise feeding mechanism 10, alcoholysis reaction mechanism 20, separation mechanism 30, precondensation mechanism 40 and final minification gather mechanism 50 continuously.
Like Fig. 1, shown in Figure 2; Feeding mechanism 10 comprises a chamber tube 101, is provided with transmission screw 102 in the chamber tube 101, and the power intake of transmission screw 102 connects the output shaft of phonomoter 103; Tube 101 1 ends in chamber are provided with feeding mouth 104, and the other end is provided with discharge port 105.
Like Fig. 1, shown in Figure 2, alcoholysis reaction mechanism 20 comprises the alcoholysis reaction device 201 with automatic heating function, and the top of alcoholysis reaction device 201 is provided with opening for feed 202, the discharge port 105 of the opening for feed 202 connection chamber tubes 101 of alcoholysis reaction device 201.Alcoholysis reaction device 201 is provided with condensing surface 203, is used for the terepthaloyl moietie of condensation evaporation, and is back in the alcoholysis reaction device 201.Connect terepthaloyl moietie filling line 204 on the alcoholysis reaction device 201, terepthaloyl moietie filling line 204 is provided with flow director 205, and terepthaloyl moietie filling line 204 is used for to alcoholysis reaction device 201 terepthaloyl moietie of annotating, and carries out regulating through flow director 205.Be provided with agitator arm 206 in the alcoholysis reaction device 201, alcoholysis reaction device 201 bottoms are provided with discharge port 207, and discharge port 207 connects discharging pipeline 208, and discharging pipeline 208 is provided with flow director 209.
Like Fig. 1, shown in Figure 3; Separation mechanism 30 comprises separate, that structure is identical a tripping device 301 and No. two tripping devices 302 continuously; A tripping device 301 and No. two tripping devices 302 include a separator tank 303, are provided with a transmission transition band 304 in the separator tank 303, and transmission transition band 304 drives operation through two transmission shafts 305; Transmission transition band 304 is provided with squeezer roll 306; One bottom portion of separator tank 303 is provided with a liquid exit 307, and the other end bottom is provided with a solid material outlet 308, and transmission transition band 304 is provided with broach roller 309 with solid material outlet 308 corresponding ends.Send into continuous separation mechanism 30 through the solidliquid mixture after 20 alcoholysis of alcoholysis reaction mechanism, after hydraulic fluid rod 306 hydraulic fluids in the separator tank 303, solid substances is discharged from solid material outlet 308 through broach roller 309 backs; Liquid material is discharged through the liquid exit 307 of separator tank 303 bottoms.A tripping device 301 is arranged on discharge port 207 belows of alcoholysis reaction device 201; Connect discharging pipeline 208; The liquid exit 307 of separator tank 303 bottoms in tripping device 301 connects the inlet of oligopolymer Receiving bins 310; The solid material outlet 308 of these separator tank 303 bottoms connects the inlet of terepthaloyl moietie rinse bath 311, is connected with terepthaloyl moietie filling line 312 on the terepthaloyl moietie rinse bath 311.No. two tripping devices 302 connect the discharge port 313 of terepthaloyl moietie rinse bath 311 bottoms; The liquid exit 307 of separator tank 303 bottoms in No. two tripping devices 302 connects terepthaloyl moietie Receiving bins 314, and the solid material outlet 308 of these separator tank 303 bottoms connects cotton fibre Receiving bins 315.
In the foregoing description, the liquid outlet of terepthaloyl moietie Receiving bin 314 bottoms connects terepthaloyl moietie delivery conduit 316, and terepthaloyl moietie delivery conduit 316 is provided with glycol circulation pump 317.Glycol circulation pump 317 output terminals are connected with some terepthaloyl moietie filling lines, are provided with flow director on each bar terepthaloyl moietie filling line.Terepthaloyl moietie through terepthaloyl moietie delivery conduit 316, glycol circulation pump 317 and the output of each bar terepthaloyl moietie filling line can directly be injected in the terepthaloyl moietie rinse bath 311 and in the alcoholysis reaction device 201 in the alcoholysis reaction mechanism 20, recycle.
Like Fig. 1, shown in Figure 4; Precondensation mechanism 40 comprises oligopolymer delivery conduit 401; Be connected in series with conveyance gear pump 402 (as shown in Figure 3), strainer 403 and threeway 404 on the oligopolymer delivery conduit 401 successively; Threeway 404 also connects the output terminal of syringe 405 and the output terminal of terepthaloyl moietie filling line 406, and terepthaloyl moietie filling line 406 is provided with flow director 407; The input terminus of oligopolymer delivery conduit 401 connects the output terminal of the oligopolymer Receiving bin 310 in the continuous separation mechanism 30; The output terminal of oligopolymer delivery conduit 401 connects terepthaloyl moietie vaporizer 408; The outlet of terepthaloyl moietie vaporizer 408 is provided with Prepolycondensating reactor 409; Prepolycondensating reactor 409 is through pipe connection vacuum pump 410, and vacuum pump 410 is connected with vacuum lines through pipe connection terepthaloyl moietie hot well 411 on the vacuum pump 410.
The oligopolymer that oligopolymer delivery conduit 401 is carried is provided through conveyance gear pump 402 by oligopolymer Receiving bin 310; Terepthaloyl moietie filling line 406 is imported terepthaloyl moietie and polycondensation catalyst with syringe 405 through threeway 404 in oligopolymer delivery conduit 401, oligopolymer, terepthaloyl moietie and polycondensation catalyst inject Prepolycondensating reactor 409 through terepthaloyl moietie vaporizer 408 jointly.Wherein, the terepthaloyl moietie in the terepthaloyl moietie filling line 406 can be provided by the terepthaloyl moietie Receiving bin 314 in the continuous separation mechanism 30.
Like Fig. 1, shown in Figure 5; Final minification gathers mechanism 50 and comprises prepolymer delivery conduit 501; The input terminus of prepolymer delivery conduit 501 connects the Prepolycondensating reactor 409 in the precondensation mechanism 40; The output terminal of prepolymer delivery conduit 501 connects final polycondensation reactor 502 (as shown in Figure 4), and polymers delivery conduit 501 is provided with flow director 503, and the discharge port of final polycondensation reactor 502 bottoms connects final minification and gathers product delivery conduit 504; Final minification gathers and is disposed with discharging toothed gear pump 505, viscosity tester 506 and strainer 507 on the product delivery conduit 504, and the discharge end that final minification gathers product delivery conduit 504 is provided with Cast Strip device 508.Final polycondensation reactor 502 is through pipe connection vacuum pump 509, and vacuum pump 509 is connected with vacuum lines through pipe connection terepthaloyl moietie hot well 510 on the vacuum pump 509.
The technical process of apparatus of the present invention is: the terylene composition of (waste and old) polyester cotton in alcoholysis reaction mechanism 20 by alcoholysis after, enter into continuous separation mechanism 30; Separation mechanism 30 separates the alcoholysis product of liquid state with solid-state cotton fibre continuously; Liquid alcoholysis product successively gets into prepolymerization reaction mechanism 40, final minification gathers to reproduce again behind the reaction mechanism 50 and is dacron polyester, has realized the separation of waste and old polyester cotton and reproduces.
The concrete operation method of apparatus of the present invention is:
Feeding mechanism 10 and alcoholysis reaction mechanism 20: actuating motor 103; Drive transmission screw 102 rotations; After waste textiles is sent into from the feeding mouth 104 of chamber tube 101; Be pushed forward into by rotating transmission screw 102, and be transported in the alcoholysis reaction device 201, inject the terepthaloyl moietie of alcoholysis reaction device 201 through flow director 205 controls that are provided with on the terepthaloyl moietie filling line 204 through the discharge port 105 of chamber tube 101; At alcoholysis reaction device 201 self constantly under heating and the agitator arm 206 continuous condition of stirring; Terylene composition generation depolymerization reaction in the polyester-cotton fabric, become ethylene glycol terephthalate (BHET) liquid after, along with cotton fibre together enters into continuous separation mechanism 30.Separate in the collecting process above-mentioned, condensing surface 203 also constantly is back to the terepthaloyl moietie condensation of evaporation in the alcoholysis reaction device 201, is in atmospheric pressure state to guarantee the pressure in the alcoholysis reaction device 201.
Transmission transition band 304 in 30: numbers tripping devices 301 of separation mechanism moves under the drive of transmission shaft 305 continuously; After reactant in the alcoholysis reaction device 201 falls; The liquid composition flows in the oligopolymer Receiving bin 310 through transmission transition band 304; Solid part is along with transmission transition band 304 moves forward through after squeezer roll 306 hydraulic fluids, further realize solid-liquid separation after, solid part is fallen in the terepthaloyl moietie rinse bath 311 through broach roller 309 combs.In No. two tripping devices 302 of cotton fibre entering after 311 washings of terepthaloyl moietie rinse bath, after further separating, solid part gets into cotton fibre Receiving bin 315, has realized the separation of cotton fibre.And the terepthaloyl moietie (liquid portion) after the washing gets into terepthaloyl moietie Receiving bin 314, through the effect of glycol circulation pump 317, supplies other mechanism's recycles such as terepthaloyl moietie rinse bath 311, alcoholysis reaction device 201, has avoided the pollution waste that causes because of the terepthaloyl moietie discharging.
Precondensation mechanism 40: the oligopolymer in the oligopolymer Receiving bin 310 gets into terepthaloyl moietie vaporizer 408 through the conveyance gear pump 402 on the oligopolymer delivery conduit 401, strainer 403; Simultaneously; Regulate a small amount of terepthaloyl moietie of adding through flow director 407; Inject an amount of polycondensation catalyst through syringe 405, after oligopolymer, terepthaloyl moietie, these three kinds of materials of polycondensation catalyst mix, through the heating and the evaporation of terepthaloyl moietie vaporizer 408; Be input in the Prepolycondensating reactor 409 with certain vacuum degree, begin reaction.The terepthaloyl moietie that produces in the reaction is extracted out through vacuum pump 410, and is kept in the terepthaloyl moietie hot well 411.
Final minification gathers mechanism 50: the prepolymer in the Prepolycondensating reactor 409 gets into final polycondensation reactor 502 through the flow director on the prepolymer delivery conduit 501 503 and reacts.Self heating through final polycondensation reactor 502 begins reaction with the vacuum action of vacuum pump 509, and the terepthaloyl moietie that produces in the reaction is kept in the terepthaloyl moietie hot well 510 through vacuum pump 509 extractions.Gather product viscosity when suitable when viscosity tester 506 detects final minification, after through discharging toothed gear pump 505 final minification being gathered product and filters through strainer 507, device 508 Cast Strips in the Cast Strip form the regenerated terylene section, have realized that the separation of terylene composition utilizes again.
Above-mentioned each embodiment only is used to explain the present invention, and wherein the structure of each parts, mode of connection etc. all can change to some extent, and every equivalents of on the basis of technical scheme of the present invention, carrying out and improvement all should not got rid of outside protection scope of the present invention.

Claims (10)

1. a polyester cotton separates and terylene repolymerization device, it is characterized in that: it comprises feeding mechanism, alcoholysis reaction mechanism, separation mechanism, precondensation mechanism and final minification gather mechanism continuously;
Said alcoholysis reaction mechanism comprises the alcoholysis reaction device of the discharge port that connects said feeding mechanism, and said alcoholysis reaction device is provided with ethanol filling line and condensing surface, and said alcoholysis reaction device bottom is provided with discharge port;
Said continuous separation mechanism comprises a tripping device and No. two tripping devices; A said tripping device connects the discharge port of said alcoholysis reaction device, and the liquid exit of a said tripping device connects the oligopolymer Receiving bin, and the solid material outlet of a said tripping device connects the terepthaloyl moietie rinse bath; Said No. two tripping devices connect the discharge port of said terepthaloyl moietie rinse bath, and the liquid exit of said No. two tripping devices connects the terepthaloyl moietie Receiving bin, and the solid material outlet of said No. two tripping devices connects the cotton fibre Receiving bin;
Said precondensation mechanism comprises the oligopolymer delivery conduit that connects said oligopolymer Receiving bin discharge port; Be disposed with conveyance gear pump, strainer, threeway and terepthaloyl moietie vaporizer on the said oligopolymer delivery conduit; Said threeway also connects terepthaloyl moietie filling line and syringe; The outlet of said terepthaloyl moietie vaporizer is provided with Prepolycondensating reactor, and said Prepolycondensating reactor is through the pipe connection vacuum pump, and said vacuum pump is through pipe connection terepthaloyl moietie hot well;
Said final minification gathers mechanism and comprises the prepolymer delivery conduit that connects said Prepolycondensating reactor; The output terminal of said prepolymer delivery conduit connects final polycondensation reactor; The final minification that the discharge port of said final polycondensation reactor connects gathers and is disposed with discharging toothed gear pump, viscosity tester and strainer on the product delivery conduit, and the output terminal that said final minification gathers the product delivery conduit is provided with the Cast Strip device; Said final polycondensation reactor is through the pipe connection vacuum pump, and said vacuum pump is through pipe connection terepthaloyl moietie hot well.
2. a kind of polyester cotton as claimed in claim 1 separates and terylene repolymerization device; It is characterized in that: said feeding mechanism comprises a chamber tube; Be provided with transmission screw in the tube of said chamber; The power intake of said transmission screw connects the output shaft of phonomoter, and an end of said chamber tube is provided with feeding mouth, and the other end is provided with discharge port.
3. a kind of polyester cotton as claimed in claim 1 separates and terylene repolymerization device, it is characterized in that: the said alcoholysis reaction utensil in the said alcoholysis reaction mechanism has temperature automatically controlled heating function, is provided with agitator arm in the said alcoholysis reaction device.
4. a kind of polyester cotton as claimed in claim 2 separates and terylene repolymerization device, it is characterized in that: the said alcoholysis reaction utensil in the said alcoholysis reaction mechanism has temperature automatically controlled heating function, is provided with agitator arm in the said alcoholysis reaction device.
5. separate and terylene repolymerization device like claim 1 or 2 or 3 or 4 described a kind of polyester cottons; It is characterized in that: a said tripping device and No. two tripping devices in the said continuous separation mechanism include a separator tank; Said separator tank bottom one end is provided with liquid exit; The other end is provided with solid material outlet; Be provided with a transmission transition band through transmission shaft drive operation in the said separator tank, said transmission transition band is provided with squeezer roll, and said transmission transition band and the corresponding end of said solid material outlet are provided with the broach roller.
6. separate and terylene repolymerization device like claim 1 or 2 or 3 or 4 described a kind of polyester cottons; It is characterized in that: the said terepthaloyl moietie Receiving bin bottom in the said continuous separation mechanism is connected with a terepthaloyl moietie delivery conduit; Said terepthaloyl moietie delivery conduit is provided with the glycol circulation pump; Said glycol circulation pump output terminal is connected with three terepthaloyl moietie filling lines; Article one, said terepthaloyl moietie filling line connects the said alcoholysis reaction device in the said alcoholysis reaction mechanism; The said terepthaloyl moietie filling line of second connects the said terepthaloyl moietie rinse bath in the said continuous separation mechanism, and the 3rd said terepthaloyl moietie filling line connects the oligopolymer delivery conduit in the said precondensation mechanism; And be provided with a flow director on three the said terepthaloyl moietie filling line.
7. a kind of polyester cotton as claimed in claim 5 separates and terylene repolymerization device; It is characterized in that: the said terepthaloyl moietie Receiving bin bottom in the said continuous separation mechanism is connected with a terepthaloyl moietie delivery conduit; Said terepthaloyl moietie delivery conduit is provided with the glycol circulation pump; Said glycol circulation pump output terminal is connected with three terepthaloyl moietie filling lines; Article one, said terepthaloyl moietie filling line connects the said alcoholysis reaction device in the said alcoholysis reaction mechanism; The said terepthaloyl moietie filling line of second connects the said terepthaloyl moietie rinse bath in the said continuous separation mechanism, and the 3rd said terepthaloyl moietie filling line connects the oligopolymer delivery conduit in the said precondensation mechanism; And be provided with a flow director on three the said terepthaloyl moietie filling line.
8. separate and terylene repolymerization devices like claim 1 or 2 or 3 or 4 or 7 described a kind of polyester cottons, it is characterized in that: the said Prepolycondensating reactor in the said precondensation mechanism is the Prepolycondensating reactor with temperature automatically controlled heating function; The said final polycondensation reactor that said final minification gathers in the mechanism is the final polycondensation reactor with temperature automatically controlled heating function.
9. a kind of polyester cotton as claimed in claim 5 separates and terylene repolymerization device, it is characterized in that: the said Prepolycondensating reactor in the said precondensation mechanism is the Prepolycondensating reactor with temperature automatically controlled heating function; The said final polycondensation reactor that said final minification gathers in the mechanism is the final polycondensation reactor with temperature automatically controlled heating function.
10. a kind of polyester cotton as claimed in claim 6 separates and terylene repolymerization device, it is characterized in that: the said Prepolycondensating reactor in the said precondensation mechanism is the Prepolycondensating reactor with temperature automatically controlled heating function; The said final polycondensation reactor that said final minification gathers in the mechanism is the final polycondensation reactor with temperature automatically controlled heating function.
CN2011101464175A 2011-06-01 2011-06-01 Device for separating cotton-polyester blended fabrics and repolymerizing polyester Expired - Fee Related CN102219924B (en)

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CN104327255A (en) * 2014-11-06 2015-02-04 上海聚友化工有限公司 Device and process for continuously separating and recycling waste polyester cotton textiles
CN111330948B (en) * 2020-03-14 2022-05-31 安徽省冠盛纺织科技有限公司 Blending waste recovery device
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