CN102154718A - Direct spinning process for regenerated polypropylenes - Google Patents
Direct spinning process for regenerated polypropylenes Download PDFInfo
- Publication number
- CN102154718A CN102154718A CN 201110095807 CN201110095807A CN102154718A CN 102154718 A CN102154718 A CN 102154718A CN 201110095807 CN201110095807 CN 201110095807 CN 201110095807 A CN201110095807 A CN 201110095807A CN 102154718 A CN102154718 A CN 102154718A
- Authority
- CN
- China
- Prior art keywords
- plastics
- waste
- polypropylene fibre
- spinning process
- direct spinning
- 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.)
- Granted
Links
Abstract
The invention provides a direct spinning process for regenerated polypropylenes. The process comprises the following steps of: a, pretreatment: selecting waste and old PP plastics, shredding the PP plastics, floating waste and old PP plastics, cleaning the waste and old PP plastics, and dewatering the cleaned waste and old PP plastics; b, production of polypropylenes: measuring the dewatered waste and old PP plastics in a ratio, performing compaction plasticizing and fusion, performing vacuum pumping by a vacuum pump, filtering the PP plastics by a filter, spinning the filtered PP plastics and cooling the obtained threads; and c, post-treatment: adding oil to and drawing the cooled threads. The process has the advantages of simplifying working procedures, reasonably using waste and old PP plastics, lowering production cost and avoiding the environmental pollution caused by waste and old PP plastics.
Description
Technical field
The present invention relates to the recovery technology of waste or used plastics, more specifically saying so and adopting the waste PP plastics is the regeneration polypropylene fibre direct spinning process of raw material.
Background technology
Plastics are polymer of a kind of artificial Polymer Synthesizing, are comparatively novel industrial materials.PP plastics (polypropylene) are the another fine resin kinds of development after nylon, it be a kind of high density, unprotected side chain, high crystallization must linear polymer, have excellent comprehensive performances.Plastics have also produced a large amount of pollutions when bringing convenience with interests to people's life with production.There are data to show, the general-purpose plastics of about 70%-80% will be converted into waste plastics in the plastics total amount in 10 years, wherein 50% will in 2 years, be converted into waste plastics, these waste plastics cup people arbitrarily abandon and inappropriate processing, bring greatly harm to environment, people are called it " white pollution ", and therefore the recovery to plastics seems very important.
The production of polypropylene fibre at present roughly is divided into two kinds, and a kind of is to make raw material through polymerization by propylene, and to its material modification, melt spinning, spinning melt filters, blowing is cooled off, reel, make fiber, but the polypropylene fibre silk intensity of producing is on the low side; Second kind is that the employing acrylic resin is a raw material, and spinning moulding carries out two-stage traction and twisting at spindle formula traction twisting mill then, makes high-strength polypropylene filament.At present part manufacturer produces polypropylene fibre by reclaiming the waste PP plastics, and production technology comprises that waste PP processing of plastic process flow is as follows: seal off-----dedusting--select materials--tear up--flotation--friction cleans--dehydration--the compacting plasticizing--the screw rod fusion--filter--die head extrudes--cooling--pelletizing--classification--packing; Produce the production process of polypropylene fibre: regenerated granule--batching--stir--dry--feed intake--the screw rod fusion--filter--spinning--cooling--oil--drawing-off--reel--classification--packing.Therefore at present when utilizing waste PP plastics-production polypropylene staple fibre spun yarn, need to become can be used for producing by the waste PP plastic processing earlier the regenerated granule of polypropylene staple fibre spun yarn, be processed into polypropylene staple fibre spun yarn by regenerated granule again, production process is comparatively various.
Summary of the invention
A kind of regeneration polypropylene fibre direct spinning process provided by the invention, its purpose are to overcome the existing high shortcoming of production cost of producing polypropylene staple fibre spun yarn, simultaneously also in order to overcome the existing various shortcoming of technique process that waste PP plastics-production polypropylene fibre spins that reclaims.
The technical solution used in the present invention is as follows:
A kind of regeneration polypropylene fibre direct spinning process may further comprise the steps:
A, pre-treatment: choose the waste PP plastics, tear up and carry out flotation, cleaning, the waste PP plastics that clean up are dewatered;
The production of b, polypropylene fibre: waste PP plastics after the metering dehydration in proportion, compacting plasticizing, fusion, and vacuumize by vavuum pump are filtered by filter then, and the waste PP plastics after will filtering carry out spinning and cool off;
C, post processing: cooled silk is oiled and drawing-off.
Choose the opening and the dedusting that also comprise the waste PP plastics before the waste PP plastics among the described step a.
Clean among the described step a and adopt friction to clean.
Described step a and step b will also comprise with the dehydration after the waste PP plastics put into storage bin.
Fusion among the described step b is to adopt screw rod to carry out fusion.
Connect a shunt among the described step b behind the filter, shunt connects each output channel, waste PP plastics after shunt will filter are assigned to each output channel, the waste PP plastics of wherein a part of output channel output carry out spinning, and the waste PP plastics of another part output channel output can be used for granulation.
Also comprise among the described step c with after the drawing-off the silk reel, classification and the packing.
By the above-mentioned description of this invention as can be known, compare, the invention has the advantages that with existing technology:
1, this regeneration polypropylene fibre direct spinning process has fully been optimized the production process of producing polypropylene staple fibre spun yarn; reduced in the waste PP plastics-production operation " die head extrudes-, cooling-, pelletizing-, classification-, packing " etc. operation; therefore reduced the use of equipment such as cutting machine, comminutor; also reduce electric consumption, reached the purpose of energy savings.
2, owing to the plasticizing of compacting in the production of polypropylene fibre further drains the moisture in the raw material, can make compound drying and charging more even, PP plastics after the fusion simultaneously vacuumize by vavuum pump, water, monomer and volatile matter can be got rid of, increase spinnability, the stringiness of raw material, also guaranteed the quality of raw material simultaneously.
3, because polypropylene fibre only needs in process of production through a fusion, and need to carry out twice fusion in the production technology of original polypropylene fibre and compare, reduced destruction, increased spinnability, the stringiness of raw material, make the better quality of the polypropylene fibre produced raw material.
4, this regeneration polypropylene fibre direct spinning process has been saved production cost with waste PP plastics recovery and utilization, has also avoided waste PP plastic pollution environment, environmental protection more simultaneously.
5, owing to connect a shunt among the step b behind the filter, shunt connects each output channel, waste PP plastics after shunt will filter are assigned to each output channel, the waste PP plastics of wherein a part of output channel output carry out spinning, the waste PP plastics of the output channel output of another part can be used for granulation, therefore can also granulation when producing polypropylene fibre, improved the service efficiency of device therefor, practical more.
The specific embodiment
A kind of regeneration polypropylene fibre direct spinning process may further comprise the steps:
A, pre-treatment: with the waste PP plastics seal off, dedusting, the waste PP plastics of choosing wherein tear up it, and carry out flotation, friction is cleaned, then with the waste PP plastics dehydration that cleans up and put into storage bin;
The production of b, polypropylene fibre: the waste PP plastics after the metering dehydration carry out the compacting plasticizing in proportion, moisture in the raw material is further drained, make the compound drying, charging is more even, screw rod fusion simultaneously, and vacuumize by vavuum pump, water, monomer and volatile matter are got rid of, filter by filter then, remove impurity, the waste PP plastics after will filtering at last carry out spinning and cooling;
C, post processing: with cooled silk oil, drawing-off, coiling, classification and packing.
The production technology operation that above-mentioned employing waste PP plastics are the raw material production polypropylene staple fibre spun yarn is simple, the waste PP plastics have rationally been utilized simultaneously, reduce production costs, also avoided waste PP plastic pollution environment, this production technology has reduced the destruction to raw material, spinnability, the stringiness of raw material have been increased, the better quality of the feasible polypropylene fibre of producing.
In addition to the implementation, can also behind the filter among the step b, connect a shunt, shunt connects each output channel, waste PP plastics after shunt will filter are assigned to each output channel, the waste PP plastics of wherein a part of output channel output carry out spinning, and the waste PP plastics of another part output channel output can be used for granulation, therefore all right granulation when producing polypropylene fibre, improved the service efficiency of device therefor, practical more.
Above-mentioned only is the specific embodiment of the present invention, but design concept of the present invention is not limited thereto, and allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (7)
1. regeneration polypropylene fibre direct spinning process is characterized in that: may further comprise the steps:
A, pre-treatment: choose the waste PP plastics, tear up and carry out flotation, cleaning, the waste PP plastics that clean up are dewatered;
The production of b, polypropylene fibre: waste PP plastics after the metering dehydration in proportion, compacting plasticizing, fusion, and vacuumize by vavuum pump are filtered by filter then, and the waste PP plastics after will filtering carry out spinning and cool off;
C, post processing: cooled silk is oiled and drawing-off.
2. a kind of regeneration polypropylene fibre direct spinning process according to claim 1 is characterized in that: choose the opening and the dedusting that also comprise the waste PP plastics before the waste PP plastics among the described step a.
3. a kind of regeneration polypropylene fibre direct spinning process according to claim 1 is characterized in that: clean among the described step a and adopt friction to clean.
4. a kind of regeneration polypropylene fibre direct spinning process according to claim 1 is characterized in that: described step a and step b will also comprise with the dehydration after the waste PP plastics put into storage bin.
5. a kind of regeneration polypropylene fibre direct spinning process according to claim 1 is characterized in that: the fusion among the described step b is to adopt screw rod to carry out fusion.
6. a kind of regeneration polypropylene fibre direct spinning process according to claim 1, it is characterized in that: connect a shunt among the described step b behind the filter, shunt connects each output channel, waste PP plastics after shunt will filter are assigned to each output channel, the waste PP plastics of wherein a part of output channel output carry out spinning, and the waste PP plastics of another part output channel output can be used for granulation.
7. a kind of regeneration polypropylene fibre direct spinning process according to claim 1 is characterized in that: also comprise among the step c with after the drawing-off the silk reel, classification and the packing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110095807A CN102154718B (en) | 2011-04-18 | 2011-04-18 | Direct spinning process for regenerated polypropylenes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110095807A CN102154718B (en) | 2011-04-18 | 2011-04-18 | Direct spinning process for regenerated polypropylenes |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102154718A true CN102154718A (en) | 2011-08-17 |
CN102154718B CN102154718B (en) | 2012-09-05 |
Family
ID=44436377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110095807A Active CN102154718B (en) | 2011-04-18 | 2011-04-18 | Direct spinning process for regenerated polypropylenes |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102154718B (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103668492A (en) * | 2013-11-30 | 2014-03-26 | 江苏奥森新材料有限公司 | Production method of polypropylene nonwoven fabric |
CN106007502A (en) * | 2016-05-20 | 2016-10-12 | 太原理工大学 | Method for enhancing mechanical properties of paste filling material by using plastic waste |
CN107858764A (en) * | 2017-10-09 | 2018-03-30 | 福建三宏再生资源科技有限公司 | The regeneration polypropylene yarn line and its process for producing of a kind of acid-proof alkaline |
CN107881588A (en) * | 2017-10-09 | 2018-04-06 | 福建三宏再生资源科技有限公司 | A kind of regeneration polypropylene yarn line and its process for producing with anti-degradability |
CN107881587A (en) * | 2017-10-09 | 2018-04-06 | 福建三宏再生资源科技有限公司 | A kind of quality soft regeneration polypropylene yarn line and its process for producing |
CN107881589A (en) * | 2017-10-09 | 2018-04-06 | 福建三宏再生资源科技有限公司 | A kind of regeneration polypropylene yarn line and its process for producing with high spinning performance |
CN108103614A (en) * | 2017-10-09 | 2018-06-01 | 福建三宏再生资源科技有限公司 | A kind of manufacturing process that regeneration polypropylene fiber is produced using mixed plastic |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3884855A (en) * | 1971-03-24 | 1975-05-20 | Davy Ashmore Ag | Process for the production of regenerate from polypropylene waste |
CN1287188A (en) * | 2000-09-22 | 2001-03-14 | 北京德通化纤工业有限公司 | Spinning process of functional fiber by regenerating and modifying waste polyester plastic |
JP2003129329A (en) * | 2001-10-19 | 2003-05-08 | Mitsubishi Rayon Co Ltd | Recycled polypropylene fiber and method of producing the same |
CN101130901A (en) * | 2007-08-21 | 2008-02-27 | 刘宇星 | Method for producing two/three-dimensional spatial fibre using reprocessed plastic |
CN101289766A (en) * | 2008-06-05 | 2008-10-22 | 江苏江南高纤股份有限公司 | Polyester staple fiber of recovered chip spinning |
-
2011
- 2011-04-18 CN CN201110095807A patent/CN102154718B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3884855A (en) * | 1971-03-24 | 1975-05-20 | Davy Ashmore Ag | Process for the production of regenerate from polypropylene waste |
CN1287188A (en) * | 2000-09-22 | 2001-03-14 | 北京德通化纤工业有限公司 | Spinning process of functional fiber by regenerating and modifying waste polyester plastic |
JP2003129329A (en) * | 2001-10-19 | 2003-05-08 | Mitsubishi Rayon Co Ltd | Recycled polypropylene fiber and method of producing the same |
CN101130901A (en) * | 2007-08-21 | 2008-02-27 | 刘宇星 | Method for producing two/three-dimensional spatial fibre using reprocessed plastic |
CN101289766A (en) * | 2008-06-05 | 2008-10-22 | 江苏江南高纤股份有限公司 | Polyester staple fiber of recovered chip spinning |
Non-Patent Citations (3)
Title |
---|
《化工环保》 20041231 吴自强,等 废聚丙烯塑料的回收利用技术 第202-204页 1-7 第24卷, 第3期 2 * |
《广东化工》 20091231 李瑞芳 PET瓶回收再生技术进展 第302-305页 1-7 第36卷, 第7期 2 * |
《石油化工》 20031231 王永耀 聚乙烯、聚丙烯废塑料回收利用进展 第718-723页 1-7 第32卷, 第8期 2 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103668492A (en) * | 2013-11-30 | 2014-03-26 | 江苏奥森新材料有限公司 | Production method of polypropylene nonwoven fabric |
CN106007502A (en) * | 2016-05-20 | 2016-10-12 | 太原理工大学 | Method for enhancing mechanical properties of paste filling material by using plastic waste |
CN107858764A (en) * | 2017-10-09 | 2018-03-30 | 福建三宏再生资源科技有限公司 | The regeneration polypropylene yarn line and its process for producing of a kind of acid-proof alkaline |
CN107881588A (en) * | 2017-10-09 | 2018-04-06 | 福建三宏再生资源科技有限公司 | A kind of regeneration polypropylene yarn line and its process for producing with anti-degradability |
CN107881587A (en) * | 2017-10-09 | 2018-04-06 | 福建三宏再生资源科技有限公司 | A kind of quality soft regeneration polypropylene yarn line and its process for producing |
CN107881589A (en) * | 2017-10-09 | 2018-04-06 | 福建三宏再生资源科技有限公司 | A kind of regeneration polypropylene yarn line and its process for producing with high spinning performance |
CN108103614A (en) * | 2017-10-09 | 2018-06-01 | 福建三宏再生资源科技有限公司 | A kind of manufacturing process that regeneration polypropylene fiber is produced using mixed plastic |
Also Published As
Publication number | Publication date |
---|---|
CN102154718B (en) | 2012-09-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102154718B (en) | Direct spinning process for regenerated polypropylenes | |
CN100480442C (en) | Production method for spinning polyester preoriented yarn by reusing polyester bottle chip | |
CN100593594C (en) | Method for producing aramid fiber pulp by aramid fiber waste material | |
CN201701805U (en) | Filter element | |
CN103007632B (en) | Efficient low-resistance non-woven filter material and preparation method | |
CN102230230A (en) | Method for producing wire drawing woven bag by adopting discarded plastic one-step method | |
CN109576825A (en) | A kind of type materials recycling technique free of cleaning | |
CN206956218U (en) | The spinning system of the waste and old non-woven cloth reworked material fiber of high additive | |
CN101126178A (en) | Method for producing reclaimed polyester bottle sheet spinning black terylene pre-tropism filament | |
CN109849221B (en) | Method for preparing polyester irregular particles by using polyester waste | |
CN204914519U (en) | Backpulsing is washed net and is traded wire stitcher | |
CN105420861A (en) | Crushed cotton slag recycling system and recovery process | |
CN102615799A (en) | Non-stop filter screen replaced dual extruder | |
CN204902480U (en) | Twin -screw desiccator | |
CN203075759U (en) | High-efficiency and low-resistance non-woven filter material | |
CN109811416A (en) | A kind of regeneration is producing technology of non-woven fabrics | |
CN108103614A (en) | A kind of manufacturing process that regeneration polypropylene fiber is produced using mixed plastic | |
CN101280470A (en) | Method for consciously producing polyacryl-nitrile dissolving pulp-like fibre | |
CN209602678U (en) | A kind of polyester waste material regenerative system | |
CN202293272U (en) | Plastic extruder | |
CN203790649U (en) | Filtering and sweeping device for down feather dehydration | |
CN204820028U (en) | Polyethylene waste plastic innocent treatment system | |
CN106514934A (en) | Recycling method for waste and damaged filter bags used for dust removers | |
CN108315826A (en) | A kind of filter regeneration system of waste and old non-woven cloth | |
CN214773208U (en) | Grain water filtration system is cut to fire-retardant polyamide fibre 6 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Su Qingyue Inventor after: Zhang Zhenwen Inventor before: Su Qingyue Inventor before: Zhang Zhenwen Inventor before: Tang Huafeng |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SU QINGYUE ZHANG ZHENWEN TANG HUAFENG TO: SU QINGYUE ZHANG ZHENWEN |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |