CN103305960B - Method for manufacturing polyester staple fibers through recycled polyester bottles - Google Patents
Method for manufacturing polyester staple fibers through recycled polyester bottles Download PDFInfo
- Publication number
- CN103305960B CN103305960B CN201310277718.0A CN201310277718A CN103305960B CN 103305960 B CN103305960 B CN 103305960B CN 201310277718 A CN201310277718 A CN 201310277718A CN 103305960 B CN103305960 B CN 103305960B
- Authority
- CN
- China
- Prior art keywords
- machine
- sheet
- bottle
- whiteness
- polyester
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Artificial Filaments (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a method for manufacturing polyester staple fibers through recycled polyester bottles. The method comprises the following steps of: recycling waste polyester bottles, and performing crushing, cleaning, burdening, melt-extruding, spinning-extruding, drawing, drying, sizing and cutting on the recycled polyester bottles to obtain the polyester staple fibers. The production method disclosed by the invention not only saves natural resources, but also alleviates white pollution and protects the environment, thereby having good economic and social benefits, and the proportions of the raw materials can be adjusted to obtain products with given specifications. The product is a superior product according to the product grade of the textile raw material product standard of China, and is capable of replacing staple fibers produced by conventional production methods.
Description
Technical field
The present invention relates to synthetic fiber field, especially a kind of method by reclaiming polyester bottles manufacture polyester staple fiber.
Background technology
Terylene short fiber is to respin into by polyester the fiber obtaining after tow cuts off.Product is mainly used in textile industry, separately spinning or with the blending such as cotton, viscose, fiber crops, hair, polyvinyl, it is main that gained yarn is used for that clothes weave cotton cloth, and also can be used for house ornamentation fabric, pack cloth, casting resin and heat insulating material formed.High nearly 1 times of the strength ratio cotton of polyster fibre, higher 3 times than wool, so dacron is durable.Can be 70～170 ℃ of uses, be in synthetic fiber heat resistance and heat endurance best.The elasticity of terylene approaches wool, and crease resistance surpasses other fibers, and fabric does not wrinkle, and protects row good.The ABRASION RESISTANCE of terylene is only second to polyamide fibre, occupies second in synthetic fiber.The water suction regain of terylene is low, good insulation preformance, but because water imbibition is low, fricative static is large, and dyeability is poor.
In current petroleum resources shortage, in the situation that environmental pollution is on the rise, utilize recovery polyester bottles to prepare polyester staple fiber and both can solve the discarded problem of environmental pollution causing of polyester bottles, realize resource circulation utilization, protection of the environment; Also can reduce energy resource consumption, make limited resource obtain use again, again create economic worth.In prior art, also have repeatedly and attempt.
Chinese patent CN100447313C discloses a kind of filtering technique that utilizes recycled polyester waste material spinning polyester staple fiber.Comprise the following steps: 1. to clean, the arrangement of recycled polyester waste material, vacuumize; 2. melting screw extruder extruding; 3. primary filter; 4. measuring pump metering supercharging; 5. plain net high-precision filtration; 6. spinnerets wire vent; 7. collection silk is contained bucket; Shortcoming is that twin-tub switch filtering device is the using and the reserved in use, and backup barrel is because keeping for a long time heating, and surface and pipe interior divide residual melt generation degraded aging, when changing, need first with new melt, rinse and discharge totally, cause waste material cost relatively high.
Chinese patent application CN101054732A discloses a kind of production method of reclaimed polyester bottle sheet spinning high-strength low-extension type short fiber, but waste material spinning because of the stability of its formulation material relatively poor, cause certain finished product color and luster stable not, occur deviation among a small circle, product quality heterogeneity.
In Chinese patent application CN101487142, disclose and the invention discloses the production method that a kind of polyester bottle sheet material by reclaiming is directly manufactured felt foundation polyester staple fiber of polyester.Chinese patent application CN 102586933 A disclose a kind of method of utilizing waste and old polyester raw material to prepare polyester staple fiber.Its 0.5-3% by pellet mass adds Ben Ji bisoxazoline and carbonyl two (1,-caprolactam) polyester chain extender, polyester granules is delivered to together with chain extender to response type exhaust screw extruder, melting, melt-stoichiometry is delivered to spinning unit after mixing, prepare polyester staple fiber.Above-mentioned two technical schemes exist common shortcoming be waste material spin because of the stability of formulation material relatively poor, the inherent viscosity fluctuation of bottle sheet, on formulation ratio is controlled, difficulty strengthens, and will have influence on the stability of dry heat shrinkage resistance and color and luster, product quality heterogeneity.
Chinese patent application CN102703999 A discloses a kind of method that waste and old polyester spins high tenacity polyester fiber staple fibre, inventor is on conventional spinning process condition basis, in filament spinning component, add sea sand filter, make fused materials through the secondary filter of sea sand filter, thereby obtain the cleannes melt consistent with former raw material; After ring quenching technique, the center of the setting up operation that oils, the oiling of the tow Zai Jing center oiling device after ring quenching, makes further to obtain after tow absorption finish cooling, has also eliminated static simultaneously.It is relatively poor that its shortcoming is that waste material spins because of the stability of formulation material, increased broken end, hooked the operating frequencies such as silk and operating personnel and operative skill is grasped to qualification require to strengthen, and need increase operating personnel's quantity relatively in operation.
Chinese patent application CN102864516 A discloses a kind of utilization and has reclaimed the high contraction of polyester bottle slice production Regenerated Polyester Staple Fiber dimension manufacture method, and this invention has the feature of good heat receipts property, realizes the high production that Regenerated Polyester Staple Fiber is tieed up of shrinking of regenerating.But polyester sheet and bottle sheet cause batch mixing non-uniform phenomenon because mass density, specification vary in size when adding feed bin to mix, easily, entering when screw rod carries out extrusion molten to cause certain melt pressure fluctuation, cause product quality reappearance not high.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the invention provides a kind of polyester bottles by reclaiming and manufacture the method for polyester staple fiber, this kind of preparation method's automaticity is high, can improve productive rate, heighten production efficiency, save manpower, save production cost, reappearance is high, product quality homogeneous.
The object of the invention is to be achieved by following technical solution, this technical scheme comprises following steps:
1) polyester bottles of recovery is broken into a bottle sheet after sorting, removal label, preliminary cleaning;
2) step 1) gained bottle sheet is entered to band water spray frosted board friction decontamination through feeding machine equipment, through feeder, enter and boil material pot bucket, with 95 ℃ ~ 100 ℃ water temperature boiling decontaminations, after discharging machine equipment enters the dehydration of high speed crushing machine, enter after the cleaning of clear water potcher again, the dehydration of bottle sheet, classifies stand-by;
3) by step 2) the sorted bottle of gained sheet drops in steam drying device rotary drum in proportion, through 9 ~ 11 hours, with 145 ℃ ~ 150 ℃, drying pre-crystallized and moisture detaches, add respectively whitening powder, titanium dioxide and blue powder stir 0.5-2.5 hour, raw material is delivered to screw extruder melt extruded, after melt accurate filter impurity screening, enter melt shunt conduit to respectively spinning a measuring pump, after metering, melt quantitative is delivered to each spinneret assembly, the melt of extruding by 270 ℃ ~ 285 ℃ meltings and 5 ~ 10mpa pressure is extruded by the spinnerets of different size, become as-spun fibre tow, tow is through directed traction, air conditioner wind speed is cooling, oil agent water cooling, remove static, strengthen after obvolvent, by feeding machine device, fall into fiber barrel packing, before obtaining, spin and produce semi-finished product tow,
4) by spinning production semi-finished product tow before step 3) gained, by guiding machine equipment, draw, through one drawing machine equipment traction, immersion cell oils and soaks to remove tow surface containing shortage of oil fluffing thread; Then Jing Er road drawing machine traction, through heating 60-80 ℃ of demineralized water bathtub device of finish aqueous medium; The hauling machine traction of Jing San road, heats preheating cabinet device to eliminate internal stress through 90-110 ℃ of steam; Through folded silk machine, crimping machine traction, after little steam chest 75-85 ℃ preheating, carry out machine crimp, become regular waveform two dimension silk sheet;
5) step 4) gained two dimension silk sheet is oiled through injection system by conveyer belt apparatus, through yarn swaying machine device, the lax heat setting machine of drying of regular, the even importing of silk sheet is dried, shaped afterwards; Then through chain mat machine constant speed, by steam heater and moisture dehumidifier apparatus, dry, sizing, by traction machine device, enter customized cut-off machine equipment after cooling and cut off, the rear fiber of cut-out falls into wind and send device to enter baling press equipment pressure bag, obtains polyester staple fiber.
Wherein, step 2) classification in is by the inherent viscosity classification of bottle sheet, is divided into and is less than 0.5dl/g, above three classes of 0.5-0.6dl/g and 0.6dl/g; Whiteness is divided into one-level, secondary and other three classes;
In step 3), whitening powder Main Function is for increasing finished silk surface whiteness; Titanium dioxide Main Function is for eliminating tow surface gold-tinted; Blue powder Main Function is for increasing blue coloured light pool, finished silk surface; The consumption of whitening powder, titanium dioxide and blue powder is respectively a bottle 0.1-0.3 for sheet weight ‰, 0.2-0.4 ‰ and 0.003-0.005 ‰, and preferably the consumption of whitening powder, titanium dioxide and blue powder is respectively 0.2 ‰, 0.3 ‰ and 0.004 ‰;
In step 4), can pass through the change draft speed of each hauling machine, preferably than one fast 3.5-5 of drawing machine speed doubly, the fast 1.1-1.4 of three drawing machine Bi Er road, road drawing machine speed doubly for two road drawing machines.
This technical scheme can be carried out raw material proportioning according to the specification of product, obtains specifying the product of specification.A kind of technical scheme that specification is the product of 1.56dtex * 38mm of preparing is provided:
By above-mentioned steps 1)-7), wherein the bottle sheet ratio in step 3) be inherent viscosity IV more than 0.6dl/g, whiteness is one-level a bottle sheet accounts for 85-95%(weight ratio), IV is that 0.5-0.6dl/g, whiteness are secondary sheet proportioning 5-15%(weight ratio); Preferably bottle sheet ratio be IV more than 0.6dl/g, to account for 90%, IV be that secondary sheet accounts for 10% in 0.5-0.6dl/g, whiteness to the whiteness bottle sheet that is one-level; It is that 3400 holes, aperture are 0.26mm dimension board that the specification of spinnerets is preferably hole count.
Provide a kind of technical scheme that specification is the product of 2.22dtex * 51mm and 2.78dtex * 51mm of preparing: by above-mentioned steps 1)-7), wherein the bottle sheet ratio in step 3) be inherent viscosity IV more than 0.6dl/g, the whiteness bottle sheet that is one-level, account for 60-80%, IV is that the bottle sheet that 0.5-0.6dl/g, whiteness are secondary accounts for 20-40%; Preferably bottle sheet ratio be IV more than 0.6dl/g, to account for 70%, IV be that secondary sheet accounts for 30% in 0.5-0.6dl/g, whiteness to the whiteness bottle sheet that is one-level; It is that 2400 holes, aperture are 0.3mm dimension board that the specification of spinnerets is preferably hole count.
Provide a kind of technical scheme that specification is the product of 6.67dtex * 51mm and 6.67dtex * 64mm of preparing: by above-mentioned steps 1)-7), wherein the bottle sheet ratio in step 3) be inherent viscosity IV more than 0.6dl/g, to account for 50%, IV be that the bottle sheet that 0.5-0.6dl/g, whiteness are secondary accounts for 50% to the whiteness bottle sheet that is one-level; It is that 860 holes, aperture are 0.4mm dimension board that the specification of spinnerets is preferably hole count.
Contrast prior art, the present invention has the following advantages:
The present invention utilizes the polyester bottles of recovery to manufacture polyester staple fiber method, not only saves natural resources, and has reduced white pollution, has protected environment, has good economic benefit and social benefit
Compare with traditional handicraft, technical scheme of the present invention has following excellent characteristics:
1) the technical program automaticity is high, easy easy control, and reappearance is high, is suitable for batch production, and production efficiency is high.
2) adjustable raw material proportioning, obtains specifying the product of specification; Product percent of pass is high, and productive rate is high.
3) technical solution of the present invention products obtained therefrom, meets China's textile raw material product standard---the standard of polyester staple fiber GB/T14464-93, and product hierarchy is high-class product, the staple fibre that can replace conventional production method to produce.
4) utilize the polyester bottles reclaiming to manufacture polyester staple fiber, not only save natural resources, and reduced white pollution, protected environment, there is good economic benefit and social benefit.Products obtained therefrom of the present invention can be used for knitting matter industrial use fabric, expand recycled polyester in the range of application in staple fibre field and share to replace to greatest extent raw material, thereby reach this rising industry of recycled polyester.
The specific embodiment
Following content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; can also make some simple deduction or replace; all should be considered as belonging to protection scope of the present invention; the present invention uses but the technology and the indexing section that do not describe, is prior art.
embodiment 1
Utilize the polyester bottles reclaiming to manufacture the polyester staple fiber that specification is 1.56dtex * 38mm, mainly comprise the following steps:
1) bottle of polyester composition purchase being come, through sorting classification, to mainly for the bottle of each color, distinguish and the impurity such as the assorted bottle of the non-polyester constituent class of part, wood chip, sandstone is sorted out processing before entering board, different color and luster class bottles are separately deposited, and operate raw material while making different primary colors kind; Through conveying belt machine, enter and dial marking machine equipment and go label and the preliminary water of crossing to clean, then through conveyer belt apparatus, enter broken board and be broken into upper machine tablet, molding mass sheet specification is treated follow-up cleaning after being the about 14mm of cubic shape * 14mm size tablet.
2) broken good bottle sheet, through feeding machine equipment, enter band water spray frosted board friction decontamination, through feeder, enter and boil material pot bucket, by ℃ boiling decontamination of steam direct heating water temperature to 95, after discharging machine equipment enters the dehydration of high speed crushing machine, entering clear water potcher again cleans, bottle sheet after 3 road rinsings enters spin-dry machine equipment and anhydrates, and then by the inherent viscosity of bottle sheet, is divided into inherent viscosity and is less than 0.5dl/g, above three classes of 0.5-0.6dl/g and 0.6dl/g; By whiteness, be divided into one-level, secondary and other three classes; Finally enter bag distribution packaging machine packing warehouse-in.
3) card room's technological process: by above-mentioned bottle sheet in the ratio of following weight ratio: 90% inherent viscosity IV is more than 0.6dl/g, whiteness is that bottle sheet and the 10%IV of one-level is 0.5-0.6dl/g, whiteness is the bottle sheet of secondary, mix in rear input steam drying device rotary drum, through 145 ℃, dry after the intervention crystallization of 11 hours and moisture detaches, add again chemical assistant: 0.1 ‰ the whitening powder that is respectively bottle sheet weight, 0.2 ‰ titanium dioxide and 0.003 ‰ blue powder, stir discharging after 2 hours and send to storage bin, start to enter screw extruder melt extruded, through pipeline, being delivered to melt accurate filter filters after the impurity of removing non-melt, enter melt shunt conduit to respectively spinning a measuring pump, through metering, by requirements set technique, for the melt quantitative after measuring, deliver to each spinneret assembly, the melt of extruding by 290 ℃ of temperature meltings and 5.5mpa pressure is 3400 holes through hole count, aperture is the spinnerets of 0.26mm specification.Different cultivars requires the spinnerets of specification to extrude, become as-spun fibre tow, tow is again through coiling drawing machine directed traction, by air conditioner wind speed cooling and oil agent water cooling, remove static, strengthen after cohesive force, allow and respectively spin a tow obvolvent and become a rhizoid bundle, by feeding machine device, fall into fiber barrel packing, before having become, spin and produce semi-finished product tow, until after spin reprocessing.
4) technological process between spinning wheel after: step 3) gained is reached to the tow of approximately 3,000,000 dawn quantity through creel device, by guiding machine equipment, draw, the speed drawing with 40m/min by one drawing machine equipment, oils and soaks, removes tow surface containing shortage of oil fluffing thread through immersion cell again; Speed drawing by two road drawing machines with 160m/min, through heating finish aqueous medium temperature 70 C demineralized water bathtub device; Zai Jing tri-road drawing machines, with the speed drawing of 205m/min, are heated after 100 ℃ of preheating cabinet devices are heated and are eliminated internal stress through steam, make that tow is more soft is convenient to drawing-off; Through folded silk machine, crimping machine traction, after 80 ℃ of preheatings of little steam chest, carry out machine crimp, become regular waveform two dimension silk sheet.
5) a step 4) gained two dimension silk sheet is oiled through injection system by conveyer belt apparatus, make finished surface soft and smooth and have more elasticity; Through yarn swaying machine device carry silk sheet is regular, import the lax heat setting machine of drying equably and dry, shape.After above-mentioned various dielectric heatings are softening, the fiber number of spinning as-spun fibre before former is led carefully to 5 times, reach the requirement of trimmed size fiber number.Enter lax silk sheet of drying heat setting machine, through chain mat machine conveyer constant speed, pass through steam heater and moisture dehumidifier apparatus, reach oven dry, sizing, by traction machine device, enter customized cut-off machine equipment after cooling and cut off, obtain the specification length that kind requires; The rear fiber of cut-out falls into wind and send device to enter baling press equipment pressure bag, obtains final finished product polyester staple fiber.Through check, the regain of finished product polyester staple fiber is 0.59%, and oil content is 0.17%, line density is 1.56dtex, fibre length is 38.07mm, and other index also all meets China's textile raw material product standard---the standard of polyester staple fiber GB/T14464-93, and product hierarchy is high-class product.
embodiment 2
Utilize the polyester bottles reclaiming to manufacture the polyester staple fiber that specification is 2.22dtex * 51mm, mainly comprise the following steps:
1) bottle of polyester composition purchase being come, through sorting classification, to mainly for the bottle of each color, distinguish and the impurity such as the assorted bottle of the non-polyester constituent class of part, wood chip, sandstone is sorted out processing before entering board, different color and luster class bottles are separately deposited, and operate raw material while making different primary colors kind; Through conveying belt machine, enter and dial marking machine equipment and go label and the preliminary water of crossing to clean, then through conveyer belt apparatus, enter broken board and be broken into upper machine tablet, molding mass sheet specification is treated follow-up cleaning after being the about 14mm of cubic shape * 14mm size tablet.
2) broken good bottle sheet, through feeding machine equipment, enter band water spray frosted board friction decontamination, through feeder, enter and boil material pot bucket, by ℃ boiling decontamination of steam direct heating water temperature to 97, after discharging machine equipment enters the dehydration of high speed crushing machine, entering clear water potcher again cleans, bottle sheet after 3 road rinsings enters spin-dry machine equipment and anhydrates, and then by the inherent viscosity of bottle sheet, is divided into inherent viscosity and is less than 0.5dl/g, above three classes of 0.5-0.6dl/g and 0.6dl/g; By whiteness, be divided into one-level, secondary and other three classes; Finally enter bag distribution packaging machine packing warehouse-in.
3) card room's technological process: by above-mentioned bottle sheet in the ratio of following weight ratio: 70% inherent viscosity IV is more than 0.6dl/g, whiteness is that bottle sheet and the 30%IV of one-level is 0.5-0.6dl/g, whiteness is the bottle sheet of secondary, mix in rear input steam drying device rotary drum, through 147 ℃, dry after the intervention crystallization of 12 hours and moisture detaches, add again chemical assistant: 0.2 ‰ the whitening powder that is respectively bottle sheet weight, 0.3 ‰ titanium dioxide and 0.004 ‰ blue powder, stir discharging after 1.5 hours and send to storage bin, start to enter screw extruder melt extruded, through pipeline, being delivered to melt accurate filter filters after the impurity of removing non-melt, enter melt shunt conduit to respectively spinning a measuring pump, through metering, by requirements set technique, for the melt quantitative after measuring, deliver to each spinneret assembly, the melt of extruding by 280 ℃ of temperature meltings and 6mpa pressure is 2400 holes through hole count, aperture is the spinnerets of 0.3mm specification.Different cultivars requires the spinnerets of specification to extrude, become as-spun fibre tow, tow is again through coiling drawing machine directed traction, by air conditioner wind speed cooling and oil agent water cooling, remove static, strengthen after cohesive force, allow and respectively spin a tow obvolvent and become a rhizoid bundle, by feeding machine device, fall into fiber barrel packing, before having become, spin and produce semi-finished product tow, until after spin reprocessing.
4) technological process between spinning wheel after: step 3) gained is reached to the tow of approximately 3,000,000 dawn quantity through creel device, by guiding machine equipment, draw, the speed drawing with 38m/min by one drawing machine equipment, oils and soaks, removes tow surface containing shortage of oil fluffing thread through immersion cell again; Speed drawing by two road drawing machines with 175m/min, through heating finish aqueous medium temperature 70 C demineralized water bathtub device; Zai Jing tri-road drawing machines, with the speed drawing of 210m/min, are heated after 100 ℃ of preheating cabinet devices are heated and are eliminated internal stress through steam, make that tow is more soft is convenient to drawing-off; Through folded silk machine, crimping machine traction, after 80 ℃ of preheatings of little steam chest, carry out machine crimp, become regular waveform two dimension silk sheet.
5) a step 4) gained two dimension silk sheet is oiled through injection system by conveyer belt apparatus, make finished surface soft and smooth and have more elasticity; Through yarn swaying machine device carry silk sheet is regular, import the lax heat setting machine of drying equably and dry, shape.After above-mentioned various dielectric heatings are softening, the fiber number of spinning as-spun fibre before former is led carefully to 5.5 times, reach the requirement of trimmed size fiber number.Enter lax silk sheet of drying heat setting machine, through chain mat machine conveyer constant speed, pass through steam heater and moisture dehumidifier apparatus, reach oven dry, sizing, by traction machine device, enter customized cut-off machine equipment after cooling and cut off, obtain the specification length that kind requires; The rear fiber of cut-out falls into wind and send device to enter baling press equipment pressure bag, obtains final finished product polyester staple fiber.Through check, the regain of finished product polyester staple fiber is 0.41%, and oil content is 0.19%, line density is 2.22dtex, fibre length is 51.03mm, and other index also all meets China's textile raw material product standard---the standard of polyester staple fiber GB/T14464-93, and product hierarchy is high-class product.
embodiment 3
Utilize the polyester bottles reclaiming to manufacture the polyester staple fiber that specification is 2.78dtex * 51mm, mainly comprise the following steps:
1) bottle of polyester composition purchase being come, through sorting classification, to mainly for the bottle of each color, distinguish and the impurity such as the assorted bottle of the non-polyester constituent class of part, wood chip, sandstone is sorted out processing before entering board, different color and luster class bottles are separately deposited, and operate raw material while making different primary colors kind; Through conveying belt machine, enter and dial marking machine equipment and go label and the preliminary water of crossing to clean, then through conveyer belt apparatus, enter broken board and be broken into upper machine tablet, molding mass sheet specification is treated follow-up cleaning after being the about 14mm of cubic shape * 14mm size tablet.
2) broken good bottle sheet, through feeding machine equipment, enter band water spray frosted board friction decontamination, through feeder, enter and boil material pot bucket, by ℃ boiling decontamination of steam direct heating water temperature to 97, after discharging machine equipment enters the dehydration of high speed crushing machine, entering clear water potcher again cleans, bottle sheet after 3 road rinsings enters spin-dry machine equipment and anhydrates, and then by the inherent viscosity of bottle sheet, is divided into inherent viscosity and is less than 0.5dl/g, above three classes of 0.5-0.6dl/g and 0.6dl/g; By whiteness, be divided into one-level, secondary and other three classes; Finally enter bag distribution packaging machine packing warehouse-in.
3) card room's technological process: by above-mentioned bottle sheet in the ratio of following weight ratio: 80% inherent viscosity IV is more than 0.6dl/g, whiteness is that bottle sheet and the 20%IV of one-level is 0.5-0.6dl/g, whiteness is the bottle sheet of secondary, mix in rear input steam drying device rotary drum, through 149 ℃, dry after the intervention crystallization of 12 hours and moisture detaches, add again chemical assistant: 0.2 ‰ the whitening powder that is respectively bottle sheet weight, 0.3 ‰ titanium dioxide and 0.004 ‰ blue powder, stir discharging after 1.5 hours and send to storage bin, start to enter screw extruder melt extruded, through pipeline, being delivered to melt accurate filter filters after the impurity of removing non-melt, enter melt shunt conduit to respectively spinning a measuring pump, through metering, by requirements set technique, for the melt quantitative after measuring, deliver to each spinneret assembly, the melt of extruding by 280 ℃ of temperature meltings and 6.1mpa pressure is 2400 holes through hole count, aperture is the spinnerets of 0.3mm specification.Different cultivars requires the spinnerets of specification to extrude, become as-spun fibre tow, tow is again through coiling drawing machine directed traction, by air conditioner wind speed cooling and oil agent water cooling, remove static, strengthen after cohesive force, allow and respectively spin a tow obvolvent and become a rhizoid bundle, by feeding machine device, fall into fiber barrel packing, before having become, spin and produce semi-finished product tow, until after spin reprocessing.
4) technological process between spinning wheel after: step 3) gained is reached to the tow of approximately 3,000,000 dawn quantity through creel device, by guiding machine equipment, draw, the speed drawing with 38m/min by one drawing machine equipment, oils and soaks, removes tow surface containing shortage of oil fluffing thread through immersion cell again; Speed drawing by two road drawing machines with 175m/min, through heating finish aqueous medium temperature 70 C demineralized water bathtub device; Zai Jing tri-road drawing machines, with the speed drawing of 210m/min, are heated after 100 ℃ of preheating cabinet devices are heated and are eliminated internal stress through steam, make that tow is more soft is convenient to drawing-off; Through folded silk machine, crimping machine traction, after 80 ℃ of preheatings of little steam chest, carry out machine crimp, become regular waveform two dimension silk sheet.
5) a step 4) gained two dimension silk sheet is oiled through injection system by conveyer belt apparatus, make finished surface soft and smooth and have more elasticity; Through yarn swaying machine device carry silk sheet is regular, import the lax heat setting machine of drying equably and dry, shape.After above-mentioned various dielectric heatings are softening, the fiber number of spinning as-spun fibre before former is led carefully to 5.5 times, reach the requirement of trimmed size fiber number.Enter lax silk sheet of drying heat setting machine, through chain mat machine conveyer constant speed, pass through steam heater and moisture dehumidifier apparatus, reach oven dry, sizing, by traction machine device, enter customized cut-off machine equipment after cooling and cut off, obtain the specification length that kind requires; The rear fiber of cut-out falls into wind and send device to enter baling press equipment pressure bag, obtains final finished product polyester staple fiber.Through check, the regain of finished product polyester staple fiber is 0.51%, and oil content is 0.10%, line density is 2.78dtex, fibre length is 37.99mm, and other index also all meets China's textile raw material product standard---the standard of polyester staple fiber GB/T14464-93, and product hierarchy is high-class product.
embodiment 4
Utilize the polyester bottles reclaiming to manufacture the polyester staple fiber that specification is 6.67dtex * 51mm, mainly comprise the following steps:
1) bottle of polyester composition purchase being come, through sorting classification, to mainly for the bottle of each color, distinguish and the impurity such as the assorted bottle of the non-polyester constituent class of part, wood chip, sandstone is sorted out processing before entering board, different color and luster class bottles are separately deposited, and operate raw material while making different primary colors kind; Through conveying belt machine, enter and dial marking machine equipment and go label and the preliminary water of crossing to clean, then through conveyer belt apparatus, enter broken board and be broken into upper machine tablet, molding mass sheet specification is treated follow-up cleaning after being the about 14mm of cubic shape * 14mm size tablet.
2) broken good bottle sheet, through feeding machine equipment, enter band water spray frosted board friction decontamination, through feeder, enter and boil material pot bucket, by ℃ boiling decontamination of steam direct heating water temperature to 100, after discharging machine equipment enters the dehydration of high speed crushing machine, entering clear water potcher again cleans, bottle sheet after 3 road rinsings enters spin-dry machine equipment and anhydrates, and then by the inherent viscosity of bottle sheet, is divided into inherent viscosity and is less than 0.5dl/g, above three classes of 0.5-0.6dl/g and 0.6dl/g; By whiteness, be divided into one-level, secondary and other three classes; Finally enter bag distribution packaging machine packing warehouse-in.
3) card room's technological process: by above-mentioned bottle sheet in the ratio of following weight ratio: 50% inherent viscosity IV is more than 0.6dl/g, whiteness is that bottle sheet and the 50%IV of one-level is 0.5-0.6dl/g, whiteness is the bottle sheet of secondary, mix in rear input steam drying device rotary drum, through 150 ℃, dry after the intervention crystallization of 12 hours and moisture detaches, add again chemical assistant: 0.3 ‰ the whitening powder that is respectively bottle sheet weight, 0.4 ‰ titanium dioxide and 0.005 ‰ blue powder, stir discharging after 1 hour and send to storage bin, start to enter screw extruder melt extruded, through pipeline, being delivered to melt accurate filter filters after the impurity of removing non-melt, enter melt shunt conduit to respectively spinning a measuring pump, through metering, by requirements set technique, for the melt quantitative after measuring, deliver to each spinneret assembly, the melt of extruding by 275 ℃ of temperature meltings and 6.5mpa pressure is 860 holes through hole count, aperture is the spinnerets of 0.4mm specification.Different cultivars requires the spinnerets of specification to extrude, become as-spun fibre tow, tow is again through coiling drawing machine directed traction, by air conditioner wind speed cooling and oil agent water cooling, remove static, strengthen after cohesive force, allow and respectively spin a tow obvolvent and become a rhizoid bundle, by feeding machine device, fall into fiber barrel packing, before having become, spin and produce semi-finished product tow, until after spin reprocessing.
4) technological process between spinning wheel after: step 3) gained is reached to the tow of approximately 3,000,000 dawn quantity through creel device, by guiding machine equipment, draw, the speed drawing with 42m/min by one drawing machine equipment, oils and soaks, removes tow surface containing shortage of oil fluffing thread through immersion cell again; Speed drawing by two road drawing machines with 165m/min, through heating finish aqueous medium temperature 70 C demineralized water bathtub device; Zai Jing tri-road drawing machines, with the speed drawing of 190m/min, are heated after 100 ℃ of preheating cabinet devices are heated and are eliminated internal stress through steam, make that tow is more soft is convenient to drawing-off; Through folded silk machine, crimping machine traction, after 80 ℃ of preheatings of little steam chest, carry out machine crimp, become regular waveform two dimension silk sheet.
5) a step 4) gained two dimension silk sheet is oiled through injection system by conveyer belt apparatus, make finished surface soft and smooth and have more elasticity; Through yarn swaying machine device carry silk sheet is regular, import the lax heat setting machine of drying equably and dry, shape.After above-mentioned various dielectric heatings are softening, the fiber number of spinning as-spun fibre before former is led carefully to 4.5 times, reach the requirement of trimmed size fiber number.Enter lax silk sheet of drying heat setting machine, through chain mat machine conveyer constant speed, pass through steam heater and moisture dehumidifier apparatus, reach oven dry, sizing, by traction machine device, enter customized cut-off machine equipment after cooling and cut off, obtain the specification length that kind requires; The rear fiber of cut-out falls into wind and send device to enter baling press equipment pressure bag, obtains final finished product polyester staple fiber.Through check, the regain of finished product polyester staple fiber is 0.41%, and oil content is 0.12%, line density is 6.67dtex, fibre length is 51.03mm, and other index also all meets China's textile raw material product standard---the standard of polyester staple fiber GB/T14464-93, and product hierarchy is high-class product.
Claims (9)
1. by the method that reclaims polyester bottles manufacture polyester staple fiber, it is characterized in that, comprise the following steps:
1) polyester bottles of recovery is broken into a bottle sheet after sorting, removal label, preliminary cleaning;
2) step 1) gained bottle sheet is entered to band water spray frosted board friction decontamination through feeding machine equipment, through feeder, enter and boil material pot bucket, with 95 ℃ of-100 ℃ of water temperature boiling decontaminations, through discharging machine equipment, enter the dehydration of high speed crushing machine again, enter clear water potcher and clean, then dehydration, classifies stand-by;
3) by step 2) the sorted bottle of gained sheet drops in steam drying device rotary drum in proportion, through 9 ~ 11 hours, with 145 ℃ ~ 150 ℃, drying pre-crystallized and moisture detaches, add respectively whitening powder, titanium dioxide and blue powder stir 0.5-2.5 hour, raw material is delivered to screw extruder melt extruded, after melt accurate filter impurity screening, enter melt shunt conduit to respectively spinning a measuring pump, after metering, melt quantitative is delivered to each spinneret assembly, the melt of extruding by 270 ℃ of-285 ℃ of meltings and 5 ~ 10mpa pressure is extruded by the spinnerets of different size, become as-spun fibre tow, again through directed traction, air conditioner wind speed is cooling, oil agent water cooling, remove static, strengthen after obvolvent, by feeding machine device, fall into fiber barrel packing, before obtaining, spin and produce semi-finished product tow,
4) by spinning production semi-finished product tow before step 3) gained, by guiding machine equipment, draw, through one drawing machine equipment traction, immersion cell oils and soaks to remove tow surface containing shortage of oil fluffing thread; Then Jing Er road drawing machine traction, through heating 60-80 ℃ of demineralized water bathtub device of finish aqueous medium; Jing San road hauling machine traction afterwards, heats preheating cabinet device to eliminate internal stress through 90-110 ℃ of steam; Finally by folded silk machine, crimping machine traction, after little steam chest 75-85 ℃ preheating, carry out machine crimp, become regular waveform two dimension silk sheet;
5) step 4) gained two dimension silk sheet is oiled through injection system by conveyer belt apparatus, through yarn swaying machine device, the lax heat setting machine of drying of regular, the even importing of silk sheet is dried, shaped afterwards; Then through chain mat machine constant speed, dry, sizing, enter customized cut-off machine equipment after cooling cut off by traction machine device by steam heater and moisture dehumidifier apparatus, after cutting off, fiber falls into wind and send device to enter baling press equipment to press bag, obtain polyester staple fiber,
Wherein, in step 3), the consumption of whitening powder, titanium dioxide and blue powder is respectively a bottle 0.1-0.3 for sheet weight ‰, 0.2-0.4 ‰ and 0.003-0.005 ‰.
2. the method by reclaiming polyester bottles and manufacture polyester staple fiber as claimed in claim 1, is characterized in that step 2) in classification be by the inherent viscosity classification of bottle sheet, be divided into and be less than 0.5dl/g, above three classes of 0.5-0.6dl/g and 0.6dl/g; By whiteness, be divided into one-level, secondary and other three class.
3. the method by reclaiming polyester bottles manufacture polyester staple fiber as claimed in claim 1, is characterized in that, in step 3), the consumption of whitening powder, titanium dioxide and blue powder is respectively 0.2 ‰, 0.3 ‰ and 0.004 ‰ of bottle sheet weight.
4. the method by reclaiming polyester bottles manufacture polyester staple fiber as claimed in claim 1, is characterized in that, than one fast 3.5-5 of drawing machine speed doubly, the fast 1.1-1.4 of three drawing machine Bi Er road, road drawing machine speed doubly for step 4) Zhong Er road drawing machine.
As described in any one in claim 1-4 by the method that reclaims polyester bottles and manufacture polyester staple fiber, it is characterized in that, bottle sheet ratio in step 3) is: inherent viscosity IV more than 0.6dl/g, whiteness is one-level a bottle sheet accounts for 85-95%, inherent viscosity IV is that secondary sheet accounts for 5-15% in 0.5-0.6dl/g, whiteness.
6. the method by reclaiming polyester bottles and manufacture polyester staple fiber as claimed in claim 5, it is characterized in that, bottle sheet ratio in step 3) is: inherent viscosity IV more than 0.6dl/g, whiteness is one-level a bottle sheet accounts for 90%, inherent viscosity IV is that secondary sheet accounts for 10% in 0.5-0.6dl/g, whiteness; The specification of spinnerets is that hole count is that 3400 holes, aperture are 0.26mm dimension board.
As described in any one in claim 1-4 by the method that reclaims polyester bottles and manufacture polyester staple fiber, it is characterized in that, bottle sheet ratio in step 3) is: inherent viscosity IV more than 0.6dl/g, whiteness is one-level a bottle sheet accounts for 60-80%, the bottle sheet that inherent viscosity IV is secondary in 0.5-0.6dl/g, whiteness accounts for 20-40%.
8. the method by reclaiming polyester bottles and manufacture polyester staple fiber as claimed in claim 7, it is characterized in that, bottle sheet ratio in step 3) is: inherent viscosity IV more than 0.6dl/g, whiteness is one-level a bottle sheet accounts for 70%, the bottle sheet that inherent viscosity IV is secondary in 0.5-0.6dl/g, whiteness accounts for 30%; The specification of spinnerets is that hole count is that 2400 holes, aperture are 0.3mm dimension board.
As described in any one in claim 1-4 by the method that reclaims polyester bottles and manufacture polyester staple fiber, it is characterized in that, bottle sheet ratio in step 3) is: inherent viscosity IV more than 0.6dl/g, whiteness is one-level a bottle sheet accounts for 50%, the bottle sheet that inherent viscosity IV is secondary in 0.5-0.6dl/g, whiteness accounts for 50%; The specification of spinnerets is that hole count is that 860 holes, aperture are 0.4mm dimension board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310277718.0A CN103305960B (en) | 2013-07-04 | 2013-07-04 | Method for manufacturing polyester staple fibers through recycled polyester bottles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310277718.0A CN103305960B (en) | 2013-07-04 | 2013-07-04 | Method for manufacturing polyester staple fibers through recycled polyester bottles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103305960A CN103305960A (en) | 2013-09-18 |
| CN103305960B true CN103305960B (en) | 2014-05-07 |
Family
ID=49131662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310277718.0A Expired - Fee Related CN103305960B (en) | 2013-07-04 | 2013-07-04 | Method for manufacturing polyester staple fibers through recycled polyester bottles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103305960B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103710783B (en) * | 2013-12-06 | 2016-02-24 | 辽宁胜达化纤有限公司 | The method of polyester staple fiber produced by waste polyester bottle |
| CN104894657B (en) * | 2015-05-27 | 2018-01-30 | 扬州天富龙科技纤维有限公司 | A kind of method using PET bottle sheet stock large-scale production polyester staple fiber |
| CN105239191B (en) * | 2015-10-08 | 2017-08-11 | 陕西科技大学 | A kind of method of utilization Pillar recovery bottle fibrillating fibre processed |
| CN106835310A (en) * | 2017-03-24 | 2017-06-13 | 湖北泰峰实业有限公司 | A kind of Regenerated Polyester Staple Fiber dimension and preparation method thereof |
| CN107151822A (en) * | 2017-05-27 | 2017-09-12 | 四川双龙实业有限公司 | A kind of regenerated resources produce the new technology of terylene |
| CN107385618A (en) * | 2017-08-24 | 2017-11-24 | 广东宝汇环保科技有限公司 | A kind of production method of PET bottle piece drawing-off |
| CN110014581A (en) * | 2017-11-13 | 2019-07-16 | 无锡市兴盛新材料科技有限公司 | A kind of novel reclamation set of PBT waste material |
| CN108977909A (en) * | 2018-06-07 | 2018-12-11 | 苏州博秀科技有限公司 | A kind of lace scrap loop recycling technique |
| CN108977905B (en) * | 2018-08-31 | 2020-12-11 | 高安工业（江阴）有限公司 | Fibril preparation process and PET fiber prepared by same |
| MX2019003392A (en) | 2019-03-25 | 2020-09-28 | Ramos Jorge Emmanuel Castro | Ecological footwear elaborated from recycled plastic fibers and recycled or disposal organic material, product and process. |
| CN110216810B (en) * | 2019-05-14 | 2021-04-23 | 浙江海利环保科技股份有限公司 | Antioxidant system and method of use |
| CN110952155B (en) * | 2019-11-20 | 2021-03-19 | 浙江佳人新材料有限公司 | Production process of cyclic regeneration antistatic fiber |
| CN110938877A (en) * | 2019-11-25 | 2020-03-31 | 浙江海利环保科技股份有限公司 | Method for spinning regenerated polyester filament yarn by using polyester waste |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4954955B2 (en) * | 2008-08-29 | 2012-06-20 | 株式会社クラレ | High-shrinkage polyester fiber and production method and use thereof |
| CN101487142B (en) * | 2009-03-03 | 2010-09-22 | 南京工业职业技术学院 | Method for producing felt polyester staple fiber by recycling polyester bottle slice |
| CN102703999A (en) * | 2012-06-10 | 2012-10-03 | 广东秋盛资源股份有限公司 | Method for spinning high-strength polyester staple fibers by using waste polyester |
| CN102864516B (en) * | 2012-10-19 | 2014-06-04 | 宁波大发化纤有限公司 | Manufacture method for producing high-shrinkage regenerated terylene short fiber with recovered polyester bottle chips |
-
2013
- 2013-07-04 CN CN201310277718.0A patent/CN103305960B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103305960A (en) | 2013-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103305960B (en) | Method for manufacturing polyester staple fibers through recycled polyester bottles | |
| CN102102241B (en) | Method for producing flame-retardant polyester staple fibers by utilizing recovered polyester bottle chips | |
| CN101487142B (en) | Method for producing felt polyester staple fiber by recycling polyester bottle slice | |
| CN108396392A (en) | A method of based on the colored profiled long filament of waste and old polyester textile production high-performance recycled polyester | |
| CN102505182B (en) | Method for preparing functional ultraviolet-resistant polyester staple fiber from waste renewable polyester bottle chips | |
| CN108251901B (en) | Method for preparing fibers by doping waste non-woven fabric reclaimed materials | |
| CN100480442C (en) | Production method for spinning polyester preoriented yarn by reusing polyester bottle chip | |
| CN105177743B (en) | It is a kind of to produce fine-denier and the method for the flat recycled polyester long filament of micro Denier using regenerative piece of polyester bottle | |
| CN103088453B (en) | Manufacturing technique of melt direct spinning polyester activate industrial yarns | |
| CN102168320A (en) | Production technology for producing porous fine denier colored terylene pre-oriented filament by utilizing recycled polyester bottle flakes | |
| CN103484971A (en) | Method for preparing anion far-infrared short fibers employing waste renewable polyester bottle flakes | |
| CN105525375A (en) | Method for preparing polyester staple fibers from waste polyester fibers | |
| CN102586933A (en) | Method for preparing polyester staple fibers by using waste polyester raw material | |
| CN101638813A (en) | Producing method for spinning heterogeneous colored terylene preoriented continuous yarn by recycled polyester bottle sheet materials | |
| CN105350097B (en) | A kind of method that the super thick flat recycled polyester long filament of denier is produced using regenerative piece of polyester bottle | |
| CN103710783A (en) | Method for producing polyester staple fibers by using waste polyester bottles | |
| CN103014892B (en) | Preparation method of cellulose acetate fiber | |
| CN104178841B (en) | Method for manufacturing safety nets by waste polyester bottles | |
| CN101928992A (en) | Method for preparing recycled polyester fully drawn yarn | |
| CN104911748A (en) | Method for industrial production of polyester filament yarn by using polyester waste yarn | |
| CN102864511A (en) | Method for producing hollow colored terylene pre-oriented filament yarn through recyclable polyester bottle pieces | |
| CN111334887A (en) | Polyester waste cloth regenerated fiber spinning process with efficient flow and improved quality | |
| CN104264287B (en) | Method for preparing rope net ribbon-like filaments by drawing waste and old polyethylene terephthalate (PET) bottle sheets | |
| CN105887232A (en) | Method for preparing special black polyester short fiber for wire harness material | |
| CN102912461A (en) | Method for producing antibacterial fire-resistant polyester filaments by utilizing recycled polyester bottle chips |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 364400 Fujian Industrial Park, Zhangping Industrial Park, industrial zone, Fujian,, Sanda fiber Limited by Share Ltd Patentee after: Fujian Sanda energy saving new material Limited by Share Ltd Address before: 364400 Fujian Industrial Park, Zhangping Industrial Park, industrial zone, Fujian,, Sanda fiber Limited by Share Ltd Patentee before: Fujian Sanda Fiber Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20210704 |