CN114775129A - Preparation method of blue deep open sea breeding line - Google Patents
Preparation method of blue deep open sea breeding line Download PDFInfo
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- CN114775129A CN114775129A CN202210381925.XA CN202210381925A CN114775129A CN 114775129 A CN114775129 A CN 114775129A CN 202210381925 A CN202210381925 A CN 202210381925A CN 114775129 A CN114775129 A CN 114775129A
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- sea aquaculture
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
- D01D5/0885—Cooling filaments, threads or the like, leaving the spinnerettes by means of a liquid
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/04—Pigments
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
- D02G3/346—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns with coloured effects, i.e. by differential dyeing process
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/36—Cored or coated yarns or threads
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention provides a preparation method of a blue deep open sea aquaculture line, which comprises the steps of preparing a blending antifouling composite material, preparing a blue monofilament bundle and preparing the blue deep open sea aquaculture line, wherein 2-mercaptopyridine copper oxide salt powder, a light stabilizer LS770, a phthalocyanine blue pigment, a hydrochloride polyhexamethylene guanidine grafted modified polypropylene antibacterial base material, tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, nano copper powder, an ultramarine pigment, white oil and polypropylene granules are mixed and uniformly stirred, extruded and granulated for 2-3 times by a double-screw extruder to obtain the blending antifouling composite material, then drawn wires are drawn, the blue monofilament bundle is obtained after rolling, and then the blue deep open sea aquaculture line with a twisted wire structure type or a core braided wire structure type is obtained by a line making process.
Description
Technical Field
The invention belongs to the technical field of deep open sea breeding, and particularly relates to a preparation method of a blue deep open sea breeding line.
Background
Deep open sea aquaculture originated in the united states for the first time, is one of the important ways for human beings to request resources from the ocean through aquaculture, and is a model for the advanced productivity of aquaculture. The deep sea culture in China is at the beginning stage at present and is a brand new technical field. In modern fishery, deep open sea culture is indispensable. The deep and open sea breeding line is called deep and open sea breeding line for short, and the breeding line is mainly used for weaving breeding nets and the like. The structure of the breeding line comprises two categories of twisted lines and braided lines, and the braided lines comprise cored braided lines, coreless braided lines and the like. When the cored braided wire is processed, the core is added through the central hole of the braiding machine while the cored braided wire surface is processed. The sea conditions of deep and far sea are extremely unstable, and the cultivation equipment can be destroyed by strong wind and huge waves at any time, so that the cultivation line meets the requirements of wind wave flow resistance, can not be broken under severe sea conditions, and is suitable for the requirements of growth, development, production, operation and management of cultivated fishes. In addition, after the culture line is used in the deep sea for a period of time, a large amount of fouling organisms such as barnacles, mussels and algae can be attached to the line, once the fouling organisms are seriously attached, the stress of the line is greatly increased, sharp edges and corners of the fouling organisms attached to the line are abraded or a net rope is cut for a long time, the accidents of 'line net breaking and breaking' or 'rope net breaking and breaking' are further caused, and the culture safety of the deep sea is seriously influenced.
However, in the prior art, the conventional breeding lines are generally processed by common fibers, and the structure type is a twisted line structure. The production of the separation thread with the existing twisting structure type needs a filament separation process on the basis of monofilament tows. The color of the existing culture line is white, so that the problem of net collision of fishes in the culture process is easy to happen, and the healthy growth of the fishes is influenced. In the prior art, common fibers are generally processed and produced by the same raw material (such as polypropylene granules), so that the produced monofilaments and the subsequent formed culture lines thereof have low comprehensive performance such as strength and the like, and have no antifouling function, thus the existing culture lines cannot meet the requirements of net line color, wind wave resistance, antifouling and high performance required by healthy culture of cultured fishes. Therefore, along with the increasing expansion of the scale of the deep sea aquaculture industry in China, the problems of color, safety, line making process, fouling and organism adhesion prevention and the like of the traditional aquaculture line and the existing aquaculture line seriously restrict the development of the deep sea aquaculture industry, and become a technical problem which is urgently needed to be solved by the current industry.
In addition, the technical field is far from other technical fields such as the textile field, the fishing gear field, the fresh water culture field, the near-shore culture field, the deep water net cage field, the common net cage field, the culture fence field, the offshore culture field and the like, the thread and monofilament technology in other technical fields is not suitable for the technical field, the reference is difficult to be provided for solving the technical problem in the field, and the thread and monofilament technology in other fields cannot be used as the contrast technology in the field at all. Due to the reasons of high performance requirement, great technical difficulty and the like, the blue deep open sea culture line which meets the healthy culture requirement of cultured fishes and has an antifouling function becomes a long-pending technical problem in the technical field.
Disclosure of Invention
The invention is carried out to solve the problems, and provides a preparation method of a blue deep open sea aquaculture line, which is used for meeting the behavior habit requirements of deep open sea aquaculture fishes, improving the comprehensive performance of the deep open sea aquaculture line, increasing the antifouling function of the deep open sea aquaculture line, ensuring the safety of the deep open sea aquaculture line and the ecological safety of the aquaculture fishes, meeting the healthy aquaculture requirements of the deep open sea aquaculture fishes, assisting the national blue granary strategy and the double-carbon strategy, and realizing the sustainable healthy development of the deep open sea aquaculture industry. In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the invention provides a preparation method of a blue deep open sea breeding line, which comprises the following steps:
A. preparation of blending antifouling composite material
Mixing 2-mercaptopyridine copper oxide salt powder, a light stabilizer LS770, phthalocyanine blue pigment, a hydrochloride polyhexamethylene guanidine grafted modified polypropylene antibacterial base material, tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, nano copper powder, ultramarine pigment, white oil and polypropylene granules, stirring for 70-90 min by using a stirrer until the materials are uniformly mixed, and extruding and granulating for 2-3 times by using a double-screw extruder to obtain the blended antifouling composite material.
Wherein the particle size of the 2-mercaptopyridine copper oxide powder is less than 800nm, and the addition amount of the 2-mercaptopyridine copper oxide powder is 2.8-4.5 per mill of the weight of the polypropylene granules; the adding amount of the light stabilizer LS770 is 4.1-5.9 per mill of the weight of the polypropylene granules; the additive amount of the phthalocyanine blue pigment is 0.1 per mill of the weight of the polypropylene granules; the grafting rate of the hydrochloride polyhexamethylene guanidine graft modified polypropylene antibacterial base material is 10 percent, and the addition amount is 19.1 to 21.7 percent of the weight of the polypropylene granules; the addition amount of the tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester is 0.7 per thousand to 1.3 per thousand of the weight of the polypropylene granules; the particle size of the nanometer copper powder is less than 500nm, and the adding amount of the nanometer copper powder is 0.5 to 1.7 percent of the weight of the polypropylene granules; the addition amount of the ultramarine pigment is 0.04 per mill of the weight of the polypropylene granules; the addition amount of the white oil is 0.32 to 0.45 percent of the weight of the polypropylene granules; the polypropylene granules are dry wire drawing grade polypropylene granules, and the melt index meets 0.76g/10 min-1.0 g/10 min.
B. Blue monofilament tow preparation
And melting and extruding the blended antifouling composite material by a single-screw extruder with an automatic feeder. Wherein the temperature control ranges of the first zone, the second zone, the third zone and the fourth zone of the electric heating zone of the extruder barrel are 169-173 ℃, 240-248 ℃, 261-267 ℃, 257-265 ℃ and the screw rotation speed ranges from 16-30 m/min respectively, and the filter screen adopts 80-mesh wire gauze and 120-mesh copper wire gauze as one layer; the aperture of a spinneret orifice on the spinneret plate is 0.75mm-1.02 mm; if the deep sea aquaculture industry needs blue deep sea aquaculture wires with twisted wire structures, the number of holes of the spinneret plate is equal to the number of monofilaments for the strands of the deep sea aquaculture wires with one twisted wire structure in number; if the deep-open sea aquaculture industry needs the blue deep-open sea aquaculture line with the core braided line structure type, the number of holes of the spinneret plate can meet the normal preparation requirement of the blue monofilament tows, and the specific number does not have special requirements;
the primary monofilaments melted and extruded from the spinneret orifices are cooled and pre-drawn by low-temperature water in a cooling water tank with the water temperature of 20-35 ℃ and a first drawing roller, then are sequentially subjected to primary hot drawing by a first drawing water bath with the high temperature of 94-99 ℃ and a second drawing roller, are subjected to secondary hot drawing by a second drawing water bath with the high temperature of 94-99 ℃ and a third drawing roller, and are subjected to tertiary hot drawing by a third drawing water bath with the high temperature of 94-99 ℃ and a fourth drawing roller; the total multiple range of the pre-drafting monofilaments is controlled to be 8.0-8.7 times through the three times of hot drafting, and the blue monofilament bundles with the antifouling function are obtained after winding.
C. Preparation of blue deep open sea breeding line
The preparation method is carried out according to the following process (1) or process (2):
process (1):
if the deep-open sea aquaculture industry needs the blue deep-open sea aquaculture line with a twisted structure type, twisting the 1 blue monofilament strand with the twist of 4-51 twists/m to obtain 1 blue monofilament strand in the Z twist direction; processing a plurality of Z-twist blue monofilament strands into a blue deep and deep sea aquaculture line with a twist pitch range of 15-76 mm and an S-twist direction by a twisting machine to obtain a twist-structured blue deep and deep sea aquaculture line;
and (2) process:
if the deep open sea aquaculture industry needs a blue deep open sea aquaculture line with a core braided line structure type, dividing the blue monofilament bundle under the condition that the filament dividing tension is 9.6-18.3% of the breaking strength of the monofilament, and dividing and winding the blue monofilament bundle by a filament dividing machine to obtain a blue monofilament;
using the blue monofilaments as a matrix fiber material for the cored braided wire, combining specification requirements of the cored braided wire of 'rho x n + rho x y', processing the x blue monofilaments into a blue strand for surface braiding of the cored braided wire by the twist of 5-10 twists/meter, doubling the y blue monofilaments into a blue monofilament bundle by a non-twist doubling machine, and using the blue monofilament bundle as a blue core after winding; then, an n-spindle braiding machine is used for manufacturing the blue cored braiding wires with the braiding ratio ranging from 5 to 8 by the n blue strands and the blue cores, so that the blue deep-open sea aquaculture wires with the net wire structure type being cored braiding wires are obtained,
wherein ρ in the specification of the cored braided wire "ρ × x × n + ρ × y" represents the linear density of the monofilament for wire production, x × n represents the number of strands of the cored braided wire, and x represents the number of filaments used for one strand of the cored braided wire; y represents the number of the used wire cores in the cored braided wire; n represents the number of braiding machine ingots.
In the invention, in order to meet the requirement of deep and open sea aquaculture lines with better antifouling effect in certain deep and open sea aquaculture occasions, the raw material scheme can be adjusted, for example, nano zinc powder (a commercial product, the average particle size is not more than 50nm, and the addition amount is 7-9 per mill of the weight of polypropylene granules) is added into the blending antifouling composite material, and other technical schemes (such as stirring, granulating, wire drawing, strand making, line making and the like) are not changed, so that the blue deep and open sea aquaculture line with better antifouling effect is obtained.
In addition, in order to meet the requirements of low-cost culture lines or lower antifouling requirements on certain deep and far sea culture industry occasions, the raw material scheme and the drawing drafting scheme can be adjusted, the nano copper powder in the blending antifouling composite material can be removed, meanwhile, the monofilament is manufactured by adopting two-stage drafting in the drawing process, other technical schemes (such as stirring, granulating, stranding, line manufacturing and the like) are not changed, and the blue deep and far sea culture line with slightly poor antifouling effect and strength performance is obtained.
In the course of knitting the breeding line in the present invention, ρ ranges from 100D to 500D, x × n ranges from 16 strands to 160 strands, x ranges from 1 to 10 strands, and y ranges from 1 to 20 strands in the core knitting line specification "ρ × x × n + ρ × y". And determining corresponding parameter values according to actual production conditions and requirements to obtain blue deep and open sea culture lines with different specifications and core braided line structure types.
In a second aspect of the invention, the blue deep open sea aquaculture line prepared by the preparation method is provided.
In a third aspect of the present invention, there is provided a blue deep open sea aquaculture net woven from the blue deep open sea aquaculture line.
Action and Effect of the invention
The invention creates a blue deep and open sea aquaculture line technical scheme, which is characterized in that a large number of development innovation test argumentations are carried out under the conditions of different coloring processes, different line manufacturing processes, different production costs, different wire drawing raw materials, different wire drawing processes and the like, and the technical scheme is obtained only through countless hard labor creativity, so that the comprehensive performance, the antifouling performance, the net piece strength, the wind wave resistance and the fish net collision resistance of the product are improved, the behavior habit requirements of deep and open sea aquaculture fishes are met, and the technical scheme is specifically as follows:
(1) in the aspect of raw material proportion:
firstly, the ultramarine pigment and the phthalocyanine blue pigment in a specific ratio are added into the wire drawing raw material, so that the color of the produced wire is the favorite color of the cultured fish, namely blue, the behavior requirement and the healthy culture requirement of the cultured fish are met, the fishing adaptability of the deep and open sea culture wire is greatly improved, the problem of net collision frequently caused by the improper color of the culture wire in fish culture is effectively avoided, and the healthy growth of the cultured fish is assisted;
in addition, the specific proportion of the tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester and the light stabilizer LS770 are added into the wire drawing raw materials, so that the thermal stability of the monofilaments is improved, the anti-oxidation protection is provided for the monofilaments for deep sea aquaculture, aquaculture lines and other related products, and the degradation fatigue of the monofilaments, the aquaculture lines, aquaculture nets and other related products is reduced; the related aging test results show that the breaking strength retention rate of the blue monofilament produced by the invention is improved by more than one time compared with that of a non-colored polypropylene monofilament under the same aging test conditions;
thirdly, 2-mercaptopyridine cupric oxide powder with an antifouling function, hydrochloride polyhexamethylene guanidine grafted modified polypropylene antibacterial base material, nano copper powder and other antifouling materials with a specific proportion are added into the wire drawing raw materials, so that the antifouling functions of blue monofilaments, deep sea aquaculture lines and aquaculture nets are effectively improved. Experimental results show that the deep open sea breeding line and the breeding net woven by the breeding line can effectively prevent fouling organisms such as mussels and the like from attaching; the blue breeding net is processed by the breeding line manufactured by the invention, and the marine hanging piece antifouling experiment is carried out, and the result shows that: under the same aquaculture sea area condition, the fouling organism attachment area of the blue aquaculture net can be reduced by about 15 percent compared with the traditional aquaculture net (the specification of the traditional aquaculture net is the same as that of the blue aquaculture net and the traditional aquaculture net is made of polyolefin monofilaments).
(2) Aspect of monofilament production
According to the characteristics of the mixed materials, the process conditions of melt extrusion, cooling, pre-drafting and tertiary hot-drafting are limited, the spinnability, the antifouling function, the thermal stability, the wear resistance, the knot strength and the fishing suitability of a monofilament product are improved while the normal drawing and the smooth drawing of the blue monofilament are ensured, the requirements on deep and far sea culture color are met, and the problem that cultured fishes collide with nets can be effectively prevented.
Compared with the traditional monofilaments in the prior art, the blue monofilaments processed by the method have comprehensive performance advantages, and the safety and comprehensive performance of downstream products (blue deep open sea breeding lines and nets) are improved. The related wear-resisting experiment results show that the wear resistance of the culture line processed by the technical scheme of the invention is superior to that of the common polypropylene fiber line in the technical field on the premise of the same other conditions, and the service life of the culture line under severe sea conditions is greatly prolonged.
The results of related physical and mechanical property experiments show that the knot strength of the blue monofilament processed by the method is as high as 5.4g/D, which is about 32% higher than the standard index of the existing fishing polyethylene monofilament industry; if the total drawing draft multiple is increased to more than 10 under the current low drawing multiple of 8.0-8.7 times, the breaking strength of the blue monofilament can be further improved.
In addition, the blue monofilament processed by the method is used as the matrix fiber to process and manufacture the blue deep sea aquaculture line with a twisted line structure, and experimental results show that compared with the traditional aquaculture line (such as a common polypropylene line) with the same specification, the breaking strength of the blue deep sea aquaculture line is improved by at least 7%.
In addition, the production of the separation line with the traditional twisted line structure type needs a filament dividing process on the basis of monofilament tows, and for the blue deep sea aquaculture line with the twisted line structure type, the number of holes of a spinneret plate for drawing is equal to the number of monofilaments for one net wire strand in terms of number, so that the production processes of the separation line are reduced, the cost is saved, and the working efficiency is improved.
(3) Preparation of breeding line
Firstly, the invention provides two technical schemes of a blue deep sea aquaculture line of a twisted line structure type and a cored braided line structure type. The cored braided wire knot is manufactured by adopting a special cored braided wire process (such as the braiding ratio range is 5-8)
The blue deep open sea breeding line of the structure type breeding line (also called core braided line structure breeding line) greatly improves the compactness, the stiffness and the wear resistance of the blue deep open sea breeding line, and the test result shows that the wear resistance of the blue deep open sea breeding line is at least 5 percent higher than that of the traditional braided line with the same diameter; the traditional twisted structure type breeding line (also called twisted structure breeding line) needs to be processed through a filament dividing procedure on the basis of monofilament tows, the number of holes of the spinneret plate for drawing the filament is equal to the number of monofilaments for one twisted structure breeding line strand in number, the filament dividing procedure in the processing process of the twisted structure breeding line is reduced, and the product cost and the processing time are greatly saved.
In conclusion, the invention combines innovations such as a special coloring process, a thread making process, an antifouling technology and the like, so that two blue deep open sea breeding thread technical schemes of a twisted thread structure type and a cored braided thread structure type are formed, and a blue deep open sea breeding thread technical scheme with low price and a blue deep open sea breeding thread technical scheme with better antifouling effect are provided.
The breaking strength performance has close relation to the strength, safety, service life and the like of the breeding line and the breeding net. On the premise that the breaking strength of the culture lines is the same, if the blue deep open sea culture line processed by the method is used for replacing the traditional culture line with the same specification, the attachment area of fouling organisms of the culture line can be reduced, the raw material consumption of the culture line is reduced, and the diameter and the weight of the culture line are reduced, so that the pollution reduction, the consumption reduction and the carbon reduction of the culture line are realized.
The integral technical scheme of the invention is formed by spending a lot of time on the basis of a lot of hard experimental demonstrations, has obvious advantages of cost performance, consumption reduction, carbon reduction, safety and antifouling function, and has obvious creativity. The technology disclosed by the invention has very important effects on improving the safety and adaptability of the deep open sea culture line, improving the gold content of the deep open sea culture facility technology, improving the wind wave resistance of the deep open sea culture facility, increasing the antifouling function of the deep open sea culture line and the like, and has very important significance on developing deep open sea culture, assisting the national double-carbon strategy and the green culture strategy, promoting the sustainable and healthy development of the deep open sea culture and the like.
Detailed Description
The present invention will be described in detail with reference to examples. The following examples should not be construed as limiting the scope of the invention.
Raw materials and equipment
The method of the invention comprises the following raw materials and equipment: 16-spindle braiding machine, twisting machine, three drafting machines, silk collecting machine, silk dividing machine, double-screw extruder, stirrer, single-screw extruder and twistless doubling machine;
polypropylene granules (commercially available wire-drawing-grade dried polypropylene granules with the melt index of 0.76-1.0 g/10min, if the polypropylene granules are wet, the polypropylene granules are dried by air or sun, if the drying speed is increased, the polypropylene granules can be quickly dried by a drier and other equipment), polyhexamethylene guanidine hydrochloride graft modified polypropylene antifouling material (commercially available product with the grafting rate of 10 percent and the addition amount of 25.3-34.8 percent of the weight of the polypropylene granules), nano copper powder (commercially available product with the particle size of less than 500nm and the addition amount of 0.7-1.5 percent of the weight of the polypropylene granules), 2-mercaptopyridine cupric oxide powder (commercially available product with the particle size of less than 800nm and the addition amount of 2.8-4.5 per thousand of the weight of the polypropylene granules), LS light stabilizer 770 (commercially available product with the addition amount of 4.1-5.9 per thousand of the weight of the polypropylene granules), Phthalocyanine blue pigment (commercial product, the adding amount of which is 0.1 per mill of the weight of the polypropylene granules), pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] (commercial product, the adding amount of which is 0.7 per mill to 1.3 per mill of the weight of the polypropylene granules), ultramarine pigment (commercial product, the adding amount of which is 0.04 per mill of the weight of the polypropylene granules) and white oil (white oil, the adding amount of which is 0.32 percent to 0.45 percent of the weight of the polypropylene granules).
Second, preparation process
The preparation method of the blue deep open sea aquaculture line provided by the invention comprises the following steps:
A. preparation of blended antifouling composite material
And mixing the granules, stirring for 70-90 min by using a stirrer until the materials are uniformly mixed, and extruding and granulating the uniformly mixed mixture for 2-3 times by using a double-screw extruder to obtain the blending antifouling composite material.
B. Preparation of blue monofilament yarn bundle
The blending antifouling composite material is melted and extruded by a single screw extruder with an automatic feeder. Wherein the temperature control ranges of the first zone, the second zone, the third zone and the fourth zone of the electric heating zone of the extruder barrel are 169-173 ℃, 240-248 ℃, 261-267 ℃, 257-265 ℃ respectively, the screw rotation speed ranges from 16m/min to 30m/min, and the filter screen adopts 80-mesh wire gauze and 120-mesh copper wire gauze in each layer; the aperture of a spinneret orifice on the spinneret plate is 0.75mm-1.02 mm; if the deep and offshore aquaculture industry needs the blue deep and offshore aquaculture line with a twisted structure, the number of holes of the spinneret plate is equal to the number of monofilaments for strands of the deep and offshore aquaculture line with a twisted structure in number; if the deep-open sea aquaculture industry needs the blue deep-open sea aquaculture line with the core braided line structure type, the number of holes of the spinneret plate can meet the preparation requirement of the blue monofilament tows, and the specific number is not specially required;
the primary filaments melted and extruded from the spinneret orifice are cooled and pre-drawn by low-temperature water in a cooling water tank with the water temperature of 20-35 ℃ and a first drawing roller, and then are subjected to primary hot drawing by a first drawing water bath with the high temperature of 94-99 ℃ and a second drawing roller, secondary hot drawing by a second drawing water bath with the high temperature of 94-99 ℃ and a third drawing roller, and tertiary hot drawing by a third drawing water bath with the high temperature of 94-99 ℃ and a fourth drawing roller; the total multiple range of the pre-drafting monofilaments is controlled to be 8.0-8.7 times through the three times of hot drafting, and the blue monofilament bundles with the antifouling function are obtained after winding.
C. Preparation of blue deep open sea breeding line
The preparation method is carried out according to the following process (1) or process (2):
process (1):
if the deep-open sea aquaculture industry needs the blue deep-open sea aquaculture line with a twisted structure type, twisting the 1 blue monofilament strand with the twist of 4-51 twists/m to obtain 1 blue monofilament strand in the Z twist direction; processing a plurality of Z-twisted blue monofilament strands into a blue deep-open sea aquaculture line with the twist pitch range of 15-76 mm and the twist direction of S twist by a twisting machine to obtain a blue deep-open sea aquaculture line with a twisted line structure;
and (2) process:
if the deep-open sea aquaculture industry needs the blue deep-open sea aquaculture line with the core braided line structure type, the twisting machine is adjusted to be a 16-spindle braiding machine, a yarn dividing machine and a 16-spindle braiding machine are additionally arranged, and the strand making and twisting procedures in the technical scheme are adjusted to be the procedures of yarn dividing, yarn doubling, strand making and core braided line, and the specific scheme is as follows:
dividing the blue monofilament bundle under the condition that the dividing tension is 9.6-18.3% of the breaking strength of the monofilament, and dividing and winding the blue monofilament bundle by a dividing machine to obtain the blue monofilament with the linear density of 324D; using the blue monofilaments as a base fiber material for the cored braided wire, and combining the specification requirements of the cored braided wire to be '324D multiplied by 4 multiplied by 16+324D multiplied by 18' (wherein, the linear density of the blue monofilaments for manufacturing the wire is 324D, the number of strands of the cored braided wire is 64 strands, and the number of filaments used for the core in the cored braided wire is 18), processing the 4 blue monofilaments into one blue strand for the surface braiding of the cored braided wire at the twist of 5 twist/meter to 10 twist/meter; doubling the 18 blue monofilaments into blue monofilament bundles by a non-twist doubling machine, and winding the blue monofilament bundles to be used as a blue core; and then, manufacturing the sixteen blue strands and one blue core into a blue cored braided wire with a braiding ratio of 7 and a specification of 324D multiplied by 4 multiplied by 16+324D multiplied by 18 by a 16-spindle braiding machine, so that the blue deep and open sea aquaculture wire with the net wire structure type being the cored braided wire is obtained.
If the specification of blue monofilaments (the linear density range is 100D-500D), the number of strands of the cored braided wire (the number of strands ranges from 16 to 160), the number of filaments for strands of the cored braided wire (the number of strands for strands ranges from 1 to 10), and the number of filaments for the core (the number of filaments for the core ranges from 1 to 20) are adjusted, blue deep-open sea aquaculture wires of other specifications and cored braided wire structure types can be obtained.
In order to meet the requirement that some deep and open sea aquaculture occasions need the deep and open sea aquaculture line with better antifouling effect, the raw material scheme can be adjusted:
if nano zinc powder (a commercial product, the average particle size of which is not more than 50nm, and the addition amount of which is 7-9 per mill of the weight of the polypropylene granules) is added into the blending antifouling composite material, other technical schemes (such as stirring, granulating, drawing, strand making, line making and the like) are not changed, and the blue deep open sea aquaculture line with better antifouling effect can be obtained. Relevant test results show that the blue deep and open sea aquaculture line has a better antifouling effect and can meet the antifouling requirements and other comprehensive performance requirements of the deep and open sea aquaculture line in a sea area with more fouling organisms.
In addition, in order to meet the requirements of low-cost culture lines or lower antifouling requirements on certain deep and far sea culture industry occasions, the raw material scheme and the drawing drafting scheme can be adjusted, the nano copper powder in the blending antifouling composite material can be removed, meanwhile, the monofilament is manufactured by adopting two-stage drafting in the drawing process, other technical schemes (such as stirring, granulating, stranding, line manufacturing and the like) are not changed, and the blue deep and far sea culture line with slightly poor antifouling effect and strength performance is obtained. Relevant test results show that the antifouling capacity and strength can be lost by adjusting the scheme, the replacement frequency of the aquaculture net is increased, and the requirements of users with low cost requirements or users with lower antifouling requirements can be met.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A preparation method of a blue deep open sea breeding line is characterized by comprising the following steps:
A. preparation of blending antifouling composite material
Mixing 2-mercaptopyridine copper oxide salt powder, a light stabilizer LS770, phthalocyanine blue pigment, hydrochloride polyhexamethylene guanidine grafted modified polypropylene antibacterial base material, tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, nano copper powder, ultramarine pigment, white oil and polypropylene granules, uniformly stirring, extruding and granulating for 2-3 times by a double-screw extruder to obtain a blending antifouling composite material,
wherein the particle size of the 2-mercaptopyridine copper oxide powder is less than 800nm, and the addition amount of the 2-mercaptopyridine copper oxide powder is 2.8-4.5 per mill of the weight of the polypropylene granules; the adding amount of the light stabilizer LS770 is 4.1-5.9 per mill of the weight of the polypropylene granules; the additive amount of the phthalocyanine blue pigment is 0.1 per mill of the weight of the polypropylene granules; the addition amount of the hydrochloride polyhexamethylene guanidine graft modified polypropylene antibacterial base material is 19.1-21.7% of the weight of the polypropylene granules; the addition amount of the tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester is 0.7 per thousand to 1.3 per thousand of the weight of the polypropylene granules; the particle size of the nano copper powder is less than 500nm, and the adding amount of the nano copper powder is 0.5 to 1.7 percent of the weight of the polypropylene granules; the addition amount of the ultramarine pigment is 0.04 per mill of the weight of the polypropylene granules; the addition amount of the white oil is 0.32-0.45% of the weight of the polypropylene granules;
B. blue monofilament tow preparation
The blending antifouling composite material is melted and extruded by a single screw extruder, the temperature control ranges of a first zone, a second zone, a third zone and a fourth zone of an electric heating zone of a charging barrel of the extruder are 169-173 ℃, 240-248 ℃, 261-267 ℃ and 257-265 ℃ respectively,
the primary filaments melted and extruded from the spinneret orifice are cooled and pre-drawn by low-temperature water in a cooling water tank with the water temperature of 20-35 ℃ and a first drawing roller, and then are subjected to primary hot drawing by a first drawing water bath with the high temperature of 94-99 ℃ and a second drawing roller, secondary hot drawing by a second drawing water bath with the high temperature of 94-99 ℃ and a third drawing roller, and tertiary hot drawing by a third drawing water bath with the high temperature of 94-99 ℃ and a fourth drawing roller; controlling the total multiple range of the pre-drafting monofilaments to be 8.0-8.7 times through three times of hot drafting, and obtaining blue monofilament tows with an antifouling function after winding;
C. preparation of blue deep open sea breeding line
The preparation method is carried out according to the following process (1) or process (2):
process (1):
if the deep-open sea aquaculture industry needs the blue deep-open sea aquaculture line with a twisted structure type, twisting the 1 blue monofilament strand with the twist of 4-51 twists/m to obtain 1 blue monofilament strand in the Z twisting direction; processing a plurality of Z-twist blue monofilament strands into a blue deep and deep sea aquaculture line with a twist pitch range of 15-76 mm and an S-twist direction by a twisting machine to obtain a twist-structured blue deep and deep sea aquaculture line;
and (2) process:
if the deep-open sea aquaculture industry needs the blue deep-open sea aquaculture line with the core braided line structure type, dividing the blue monofilament bundle under the condition that the filament dividing tension is 9.6% -18.3% of the monofilament breaking strength, and dividing and winding the blue monofilament bundle by a filament dividing machine to obtain a blue monofilament;
using the blue monofilaments as a matrix fiber material for the cored braided wire, combining the specification requirement of the cored braided wire of 'rho x n + rho x y', processing the x blue monofilaments into a blue strand for surface braiding of the cored braided wire at the twist of 5-10 twists/m, doubling the y blue monofilaments into a blue monofilament strand by a non-twist doubling machine, and winding the blue monofilament strand to be used as a blue core; then, an n-spindle braiding machine is used for manufacturing the blue cored braiding wires with the braiding ratio ranging from 5 to 8 by the n blue strands and the blue cores, so that the blue deep-open sea aquaculture wires with the net wire structure type being cored braiding wires are obtained,
wherein ρ in the specification of the cored braided wire "ρ × x × n + ρ × y" represents the linear density of the monofilament for wire production, x × n represents the number of strands of the cored braided wire, and x represents the number of filaments used for one strand of the cored braided wire; y represents the number of the used wire cores in the cored braided wire; n represents the number of braiding machine ingots.
2. The method for preparing the blue deep open sea aquaculture line of claim 1, wherein:
in the step A, the blending antifouling composite material also contains nano zinc powder, the average particle size is not more than 50nm, and the addition amount of the nano zinc powder is 7-9 per mill of the weight of the polypropylene granules.
3. The method for preparing the blue deep open sea aquaculture line of claim 1, wherein:
wherein, in the step A, the polypropylene granules are dry wire-drawing grade polypropylene granules, and the melt index meets 0.76g/10 min-1.0 g/10 min; the grafting rate of the hydrochloride polyhexamethylene guanidine graft modified polypropylene antibacterial base material is 10 percent,
after mixing the granules, stirring the granules for 70min to 90min by using a stirrer until the granules are uniformly mixed.
4. The preparation method of the blue deep open sea aquaculture line according to claim 1, characterized in that:
and B, in the step A, uniformly stirring the mixture, and extruding and granulating for 2-3 times by using a double-screw extruder.
5. The method for preparing the blue deep open sea aquaculture line according to claim 1, characterized in that:
and B, in the step B, the single-screw extruder is provided with an automatic feeder, the rotating speed range of the screw is 16-30 m/min, and the filter screen adopts 80-mesh wire gauze and 120-mesh copper wire gauze in each layer.
6. The method for preparing the blue deep open sea aquaculture line according to claim 1, characterized in that:
wherein, in the step B, the aperture range of the spinneret holes on the spinneret plate is 0.75mm-1.02 mm; if the deep sea aquaculture industry needs the blue deep sea aquaculture wires with twisted wire structures, the number of holes of the spinneret plate is equal to the number of monofilaments for strands of one deep sea aquaculture wire in number; if the deep-open sea aquaculture industry needs the blue deep-open sea aquaculture line with the core braided line structure type, the number of holes of the spinneret plate can meet the normal preparation requirement of the blue monofilament tows, and the specific number is not specially required.
7. The preparation method of the blue deep open sea aquaculture line according to claim 1, characterized in that:
in the cored braided wire specification 'rho x n + rho x y', rho ranges from 100D to 500D, x n ranges from 16 strands to 160 strands, x ranges from 1 to 10, and y ranges from 1 to 20.
8. The blue deep open sea aquaculture line prepared by the preparation method of any one of claims 1-7.
9. The deep open sea aquaculture net prepared by the blue deep open sea aquaculture line of claim 8.
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