CN104562284A - Manufacturing method of fibers of breeding nets of sea fish - Google Patents
Manufacturing method of fibers of breeding nets of sea fish Download PDFInfo
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- CN104562284A CN104562284A CN201410856722.7A CN201410856722A CN104562284A CN 104562284 A CN104562284 A CN 104562284A CN 201410856722 A CN201410856722 A CN 201410856722A CN 104562284 A CN104562284 A CN 104562284A
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- Prior art keywords
- resin
- machine
- hdpe
- silk
- metallocene lldpe
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- 239000000835 fiber Substances 0.000 title claims abstract description 49
- 241000251468 Actinopterygii Species 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 238000009395 breeding Methods 0.000 title abstract 3
- 230000001488 breeding effect Effects 0.000 title abstract 3
- 239000011347 resin Substances 0.000 claims abstract description 44
- 229920005989 resin Polymers 0.000 claims abstract description 44
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 31
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 31
- 229920000092 linear low density polyethylene Polymers 0.000 claims abstract description 21
- 239000004707 linear low-density polyethylene Substances 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 8
- 239000000498 cooling water Substances 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000005491 wire drawing Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 239000001293 FEMA 3089 Substances 0.000 claims description 9
- 235000010469 Glycine max Nutrition 0.000 claims description 4
- 244000068988 Glycine max Species 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 206010067868 Skin mass Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920001526 metallocene linear low density polyethylene Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Artificial Filaments (AREA)
Abstract
The invention provides a manufacturing method of fibers of breeding nets of sea fish. The manufacturing method adopts HDPE (high-density polyethylene) resin, an auxiliary agent, metallocene LLDPE (linear low density polyethylene) resin, a stirring machine, a single-screw extrusion machine, a twice-drawing electrical heating drawing machine, a silk collecting machine and a silk dividing machine. The manufacturing method is characterized in that the HDPE resin is sieved; the adding amount of the auxiliary agent is 0.6% of the weight of the HDPE resin; the adding amount of the metallocene LLDPE resin is 10.3% of the weight of the HDPE resin; the materials are stirred by the stirring machine for 19-31 minutes, so that the materials are uniformly stirred, and a mixture of the HDPE resin and the metallocene LLDPE resin is obtained; melt extrusion is performed on the mixture of the HDPE resin and the metallocene LLDPE resin by the single-screw extrusion machine, and primary silk obtained from melt extrusion is cooled and pre-drawn by a cooling water box and a first drawing roller; twice hot drawing is performed on the pre-drawn silk, the drawn silk is degreased by a high-pressure airflow, the degreased silk is rapidly cooled, and fiber bundles are collected and rolled by the silk collecting machine; the fiber bundles are divided into the fibers of the breeding nets of the sea fish by the silk dividing machine.
Description
Technical field
The present invention relates to the manufacture method cultivating etting fiber in marine fish culture technical field.
Background technology
Cultivation etting is seawater fish purse seine or the indispensable important materials of cage culture, and its performance quality is directly connected to the success or failure of marine fish culture.Fiber is one of marine fish culture technical field cultivation etting making main material, it is directly connected to cultivation etting performance, cultivation etting raw materials consumption and marine fish culture installation security, but prior art field cultivates etting making fiber with single high-density polyethylene resin for raw material adopts the processing of hot water drawing process, because drawing process control is improper, cause its knot strength relatively low, thus cultivation etting performance can be had influence on further, cultivation etting raw materials consumption and marine fish culture installation security, so, the common polythene filament properties suitability that prior art field adopts hot water drawing process to be processed into single high-density polyethylene resin for raw material is poor, be difficult to satisfied modern marine fish culture need of production.Along with the maximization of marine fish culture and offshoreization develop, be badly in need of the marine fish culture etting making fiber that a large amount of knot strength is high, suitability is good, traditional fibre technology that only changes just can prepare the applicable marine fish culture etting making fiber of above-mentioned requirements, the solution of marine fish culture etting making fiber problem is long-term pendent technical barrier, has remarkable effect to the raw materials consumption of reduction cultivation etting, the security of increase cultivation etting.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of cultivation etting fiber preparation method of marine fish culture technical field, improve knot strength and the stability of cultivation etting making fiber, increase cultivation etting performance, reduce the raw materials consumption of cultivation etting, improve marine fish culture installation security, promote fishery energy-saving and emission-reduction.
Technical scheme of the present invention adopts the dry HDPE resin of wire drawing level, white oil or turpentine oil auxiliary agent, metallocene LLDPE resin, mixer, single screw extrusion machine, twice drawing-off electrical heating drawing machine, receipts silk machine, devillicate machine, it is characterized in that the dry HDPE resin of wire drawing level sieves process, melt index should meet 0.7g/10min ~ 1.4g/10min, white oil or turpentine oil additive dosage are 0.6% of the dry HDPE weight resin of wire drawing level, metallocene LLDPE resin melting index is 1g/10min, addition is 10.3% of HDPE weight resin, with mixer, dry for wire drawing level HDPE resin, white oil or turpentine oil auxiliary agent, metallocene LLDPE mixed with resin are stirred 19min ~ 31min and all stir to material, after compound stirs, just obtain HDPE/ metallocene LLDPE resin blend, HDPE/ metallocene LLDPE resin blend is through the Ith district in single screw extrusion machine barrel electrical heating district, IIth district, IIIth district, the temperature-control range in IVth district is respectively 162 ~ 167 DEG C, 265 ~ 270 DEG C, 307 ~ 315 DEG C, 343 ~ 350 DEG C melt extrude, the spun filament melt extruded from spinneret orifice is cooled and preliminary draft through cooling water tank 25 DEG C ~ 33 DEG C water at low temperature and the first drawing roller, spun filament cooling distance controlling is at 0.88m ~ 1.03m, vertical range in spinnerets and cooling water tank between the water surface controls at 3cm ~ 8cm, preliminary draft silk is through 97 DEG C ~ 99 DEG C high temperature first drawing-off water baths and the second drawing roller, 108.5 DEG C ~ 113 DEG C high temperature second drawing-off deep fat baths and the 3rd drawing roller carry out twice hot gas spring, using soya-bean oil or ethylene glycol as drawing-off heat medium, preliminary draft silk carries out above-mentioned twice hot gas spring by twice drawing-off electrical heating drawing machine, drawing-off general times controls at 9.6 times ~ 10.0 times, cool fast after adopting the oil removing of 0.57MPa ~ 0.62MPa high pressure draught, to use the receipts silk machine rolling fibre bundle of torque motor, fibre bundle divides thread tension to control in 26% ~ 34% of fibrous fracture brute force, is marine fish culture etting making fiber through devillicate machine sub-wire.
This method comprises drafting multiple, wire-drawing temperature and metallocene linear-low density polyethylene addition to different drawing process condition and has carried out lot of experiments exploration, and just defines technical solution of the present invention on the basis that a large amount of scientific experimentation is proved.Result of the test shows, the marine fish culture etting making fiber of the present invention's processing is applicable to marine fish culture technical field, it not only more traditional cultivation etting making polyethylene monofilament there is knot strength, stability, abrasion resistance and spinnability advantage, and increase cultivation etting performance, the raw materials consumption of reduction cultivation etting, raising marine fish culture installation security, technique effect highly significant.The present invention owing to adding white oil or turpentine oil auxiliary agent, the metallocene LLDPE resin of special ratios in HDPE resin concentrates, special wire-drawing technology is adopted to produce the marine fish culture etting making fiber of applicable marine fish culture technical field after being stirred by mixer again, guarantee fiber can continuously industrialization produce while, improve knot strength and the stability of fiber simultaneously, improve fiber softening, abrasion resistance and spinnability, the combination property of the marine fish culture etting making fiber that the present invention processes is apparently higher than existing cultivation etting making fiber, the present invention adopts special sub-wire technique, as a point thread tension controls in 26% ~ 34% of fibrous fracture brute force, thus ensure that point thread tension can in fibre bundle cross one another fiber be separately on bobbin by rolling, preventing again bobbin from accepting, winding tension is excessive causes impression fiber, thus improves the physical property of existing cultivation etting making fiber product, the present invention adopts special drawing process, as the present invention's second time hot gas spring replaces conventional hot water's drawing process drawing-off heating aqueous medium using soya-bean oil or ethylene glycol etc. as special drawing-off heat medium, for the special drafting multiple that the feature of cultivation etting making fiber adopts, guarantee that the heat treatment temperature of fiber when the second bath drawing-off is higher than 108.5 DEG C, to guarantee in fiber manufacturing process that wire drawing is normal and drawing-off is smooth, be beneficial to the raising of fibrous nodule intensity and degree of crystallinity, make the flexibility of the cultivation etting making fiber processed and abrasion resistance good, knot strength reach 5.05g/D and elongation at break be positioned at 17 ~ 21% interval, its knot strength more existing common polythene monofilament standard index (4.08g/D) can improve 23.6%, its elongation at break meets marine fish culture needs completely.Result of the test shows, the present invention develop the stability of fiber and ABRASION RESISTANCE better, the marine fish culture etting making fiber that higher fusing point, melting heat and temperature tolerance better make the present invention produce has good stability and ABRASION RESISTANCE, and technical solution of the present invention effectively can improve fiber and etting impact resistance thereof under severe cultivation sea situation; Under the condition that cultivation etting is powerful identical with size of mesh, develop fiber with the present invention and make the reduction of order pin rugosity, the water resistance reduction that marine fish culture etting both can make net cage or purse seine cultivation etting, net cage or purse seine can be made again to cultivate etting weight saving, raw materials consumption minimizing, stability raising, which greatly enhances physical property and the suitability thereof of net cage or purse seine cultivation etting, cultivation etting wind and wave resistance stream Be very effective.Consider the feature of cultivation etting cost and marine fish culture engineering material, the metallocene LLDPE resin that the present invention adopts price relatively cheap and compound are without the blended granulation of double screw extruder, to reduce cultivation etting making fiber cost, be beneficial to the commercial application of invention product on cultivation etting.
Detailed description of the invention
The present invention adopts the dry HDPE resin of wire drawing level, white oil or turpentine oil auxiliary agent, metallocene LLDPE resin, mixer, single screw extrusion machine, twice drawing-off electrical heating drawing machine, receipts silk machine, devillicate machine, the dry HDPE resin of wire drawing level is (commercially available, raise sub-petrochemical iy produced) process of sieving, melt index should meet 0.7g/10min ~ 1.4g/10min, if HDPE resin makes moist, then could use after drying under should drying or be placed in the sun, white oil or turpentine oil additive dosage are 0.6% of the dry HDPE weight resin of wire drawing level, metallocene LLDPE resin (commercially available, Daqing petrochemical company is produced), melt index is 1g/10min, and density is 0.918g/cm
3, addition is 10.3% of the dry HDPE weight resin of wire drawing level, stirs 27min to expecting all mixing and stirring with mixer, and compound just obtains HDPE/ metallocene LLDPE resin blend through mixing all, through single screw extrusion machine, (screw slenderness ratio is 25:1 to HDPE/ metallocene LLDPE resin blend, filter thickness 10mm, screen pack adopts one deck 78 order wire netting, one deck 118 object copper alloy screen net) in specified temp (the Ith district in extruder barrel electrical heating district, IIth district, IIIth district, the temperature in IVth district is respectively 165 DEG C, 268 DEG C, 312 DEG C, 347 DEG C) under melt extrude, (spun filament cooling distance controlling is at 0.88m ~ 1.03m through cooling water tank water at low temperature for the spun filament melt extruded from spinneret orifice, vertical range in spinnerets and cooling water tank between the water surface controls at 3cm ~ 8cm, water temperature controls at 25 DEG C ~ 33 DEG C, cooling water tank is of a size of 0.62m × 0.52m × 0.62m) and the first drawing roller cooled and preliminary draft, preliminary draft silk is through 98 DEG C of high temperature first drawing-off water baths and the second drawing roller, 111 DEG C of high temperature second drawing-off deep fat baths (using soya-bean oil or ethylene glycol etc. as special drawing-off heat medium) and the 3rd drawing roller carry out twice hot gas spring, preliminary draft silk is undertaken cooling fast after above-mentioned twice hot gas spring general times controls to adopt the oil removing of high pressure (Stress control is at about 0.57MPa ~ 0.62MPa) air-flow after 9.6 times ~ 10.0 times by twice drawing-off electrical heating drawing machine, to use the receipts silk machine rolling cultivation etting making fibre bundle of torque motor, cultivation etting making fibre bundle under specific point of thread tension (point thread tension controls in 26% ~ 34% of this fibrous fracture brute force) through devillicate machine sub-wire be cultivation etting making fiber (cultivate etting making fibrous nodule intensity reach 5.05g/D and elongation at break be positioned at 17% ~ 21% interval).The inventive method constant product quality, can continuously industrialization produce, obvious technical effects of the present invention.Technical solution of the present invention focuses on the knot strength of fiber product and spinnability, and the line density of production is that the high-performance modified fiber of 387D is particularly suitable for being processed into cultivation etting; Powerful identical with size of mesh and under there is the condition of superiority of effectiveness at cultivation etting, the powerful raising of cultivation etting, weight saving, water resistance reduction, raw materials consumption minimizing, security and suitability can be made to improve, which greatly enhances physical property and the suitability of fiber and downstream cultivation etting thereof, the obvious technical effects of marine fish culture etting making fiber in marine fish culture technical field.
Claims (1)
1. the preparation method of marine fish culture etting fiber, adopt the dry HDPE resin of wire drawing level, white oil or turpentine oil auxiliary agent, metallocene LLDPE resin, mixer, single screw extrusion machine, twice drawing-off electrical heating drawing machine, receipts silk machine, devillicate machine, it is characterized in that the dry HDPE resin of wire drawing level sieves process, melt index should meet 0.7g/10min ~ 1.4g/10min, white oil or turpentine oil additive dosage are 0.6% of the dry HDPE weight resin of wire drawing level, metallocene LLDPE resin melting index is 1g/10min, addition is 10.3% of HDPE weight resin, with mixer, dry for wire drawing level HDPE resin, white oil or turpentine oil auxiliary agent, metallocene LLDPE mixed with resin are stirred 19min ~ 31min and all stir to material, after compound stirs, just obtain HDPE/ metallocene LLDPE resin blend, HDPE/ metallocene LLDPE resin blend is through the Ith district in single screw extrusion machine barrel electrical heating district, IIth district, IIIth district, the temperature-control range in IVth district is respectively 162 DEG C ~ 167 DEG C, 265 DEG C ~ 270 DEG C, 307 DEG C ~ 315 DEG C, 343 DEG C ~ 350 DEG C melt extrude, the spun filament melt extruded from spinneret orifice is cooled and preliminary draft through cooling water tank 25 DEG C ~ 33 DEG C water at low temperature and the first drawing roller, spun filament cooling distance controlling is at 0.88m ~ 1.03m, vertical range in spinnerets and cooling water tank between the water surface controls at 3cm ~ 8cm, preliminary draft silk is through 97 DEG C ~ 99 DEG C high temperature first drawing-off water baths and the second drawing roller, 108.5 DEG C ~ 113 DEG C high temperature second drawing-off deep fat baths and the 3rd drawing roller carry out twice hot gas spring, using soya-bean oil or ethylene glycol as drawing-off heat medium, preliminary draft silk carries out above-mentioned twice hot gas spring by twice drawing-off electrical heating drawing machine, drawing-off general times controls at 9.6 times ~ 10.0 times, cool fast after adopting the oil removing of 0.57MPa ~ 0.62MPa high pressure draught, to use the receipts silk machine rolling fibre bundle of torque motor, fibre bundle divides thread tension to control in 26% ~ 34% of fibrous fracture brute force, is marine fish culture etting making fiber through devillicate machine sub-wire.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410856722.7A CN104562284B (en) | 2014-12-29 | 2014-12-29 | The preparation method of fiber for marine fish culture etting |
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| CN201410856722.7A CN104562284B (en) | 2014-12-29 | 2014-12-29 | The preparation method of fiber for marine fish culture etting |
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| CN104562284A true CN104562284A (en) | 2015-04-29 |
| CN104562284B CN104562284B (en) | 2016-05-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862793A (en) * | 2015-05-18 | 2015-08-26 | 中国水产科学研究院东海水产研究所 | Method for producing fibers used for twisted threads |
| CN104862821A (en) * | 2015-05-18 | 2015-08-26 | 中国水产科学研究院东海水产研究所 | Olive green fibers capable of reducing water resistance of meshes and used for weaving net |
| CN104911718A (en) * | 2015-05-18 | 2015-09-16 | 中国水产科学研究院东海水产研究所 | Producing method for fibers used for weaving of mesh bag bottom mesh lining |
| CN107034539A (en) * | 2017-05-27 | 2017-08-11 | 巢湖市天宇渔具有限公司 | A kind of resistance to ag(e)ing fishing HSPE processing method |
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| CN104911718A (en) * | 2015-05-18 | 2015-09-16 | 中国水产科学研究院东海水产研究所 | Producing method for fibers used for weaving of mesh bag bottom mesh lining |
| CN107034539A (en) * | 2017-05-27 | 2017-08-11 | 巢湖市天宇渔具有限公司 | A kind of resistance to ag(e)ing fishing HSPE processing method |
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| Publication number | Publication date |
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| CN104562284B (en) | 2016-05-11 |
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