CN103587121B - A kind of processing method of supra-macromolecule polyethylene composite pipe - Google Patents
A kind of processing method of supra-macromolecule polyethylene composite pipe Download PDFInfo
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Abstract
A kind of processing method of supra-macromolecule polyethylene composite pipe, comprise the following steps: (1) is by raw material polyvinyl resin with super-high molecular weight, graphite, Tissuemat E, antioxidant mix homogeneously, the raw material of mix homogeneously joins screw extruder barrel, under the rotary squeezing effect of screw rod, by the mouth die of definite shape on screw extruder, obtain the tubing consistent with Oral incision, tubing passes through shaping equipment and chiller, cooling adopts water-oil cooled mode so that it is cools down hardening and shapes；Product plastic is after die extrusion, while cooling, is continuously and uniformly drawn by product, utilizes the product that cooled, sizing are obtained by cutter sweep to cut, and the product after cutting, through inspection, checks qualified product and ultra high molecular polyethylene pipe；(2) undertaken cutting and post processing by superhigh molecular weight polyethylene pipe, be lining in steel pipe in reprocessed superhigh molecular weight polyethylene pipe, obtain supra-macromolecule polyethylene composite pipe.Present invention process is simple, manufactures easily, and the pipeline wearability for preparing, self lubricity, strength ratio are higher, and stable chemical nature, ageing resistace is strong.
Description
Technical field
The present invention relates to the manufacture method of a kind of tubing, the processing method being specifically related to a kind of supra-macromolecule polyethylene composite pipe.
Background technology
Existing steel strength height, good toughness, shock-resistant, good welding performance, be the conventional pipelines such as conveying granular material, grinding, Korrosionsmedium, but steel pipe hardness is low, wear no resistance, corrosion-resistant, service life is short, cost is high.Accordingly, it would be desirable to a kind of new composite steel tube.
Summary of the invention
The processing method that it is an object of the invention to provide a kind of supra-macromolecule polyethylene composite pipe, present invention process is simple, manufactures easily, and the pipeline wearability for preparing, self lubricity, strength ratio are higher, and stable chemical nature, ageing resistace is strong.
It is an object of the invention to be achieved through the following technical solutions, the processing method of a kind of supra-macromolecule polyethylene composite pipe, comprise the following steps:
(1) by raw material polyvinyl resin with super-high molecular weight, graphite, Tissuemat E, antioxidant mix homogeneously, ultra high molecular polyethylene resin, graphite, Tissuemat E, the mass ratio of antioxidant is 85-95:1-2:2.7-13.9:0.1-0.3, the raw material of mix homogeneously joins screw extruder barrel, rotate at barrel temperature and screw rod, under compacting and immixture, the transform raw material of solid-state is the improving uniformity of melt with mobility, improving uniformity of melt moves to barrel front end with the rotation of screw rod, under the rotary squeezing effect of screw rod, by the mouth die of definite shape on screw extruder, obtain the tubing consistent with Oral incision, tubing passes through shaping equipment and chiller, cooling adopts water-oil cooled mode, it is made to cool down hardening and shape；Product plastic is after die extrusion, while cooling, is continuously and uniformly drawn by product, utilizes the product that cooled, sizing are obtained by cutter sweep to cut, and the product after cutting, through inspection, checks qualified product and ultra high molecular polyethylene pipe；
(2) undertaken cutting and post processing by superhigh molecular weight polyethylene pipe, be lining in steel pipe in reprocessed superhigh molecular weight polyethylene pipe, obtain supra-macromolecule polyethylene composite pipe.
Preferably, the mass ratio of described ultra high molecular polyethylene resin, graphite, Tissuemat E and antioxidant is 90:2.3:6.5:0.2.
Preferably, the velocity of rotation of described screw extruder screw rod is 60-80r/min.
Preferably, described antioxidant is antioxidant 1010 or the mixture of antioxidant 1076 or antioxidant 1010 and antioxidant 1076.
Compared with prior art, the method have the advantages that first, ultra-high molecular weight polyethylene has superpower wearability, self lubricity, and strength ratio is higher, stable chemical nature, ageing resistace are strong.To be lining in superhigh molecular weight polyethylene pipe in steel pipe, the centrage of superhigh molecular weight polyethylene pipe and steel pipe is on the same line, superhigh molecular weight polyethylene pipe adopts matched in clearance with steel pipe, gap is 1-1.5mm, transport pipeline is made to have steel pipe and the advantage of superelevation subcomponent polyethylene pipe concurrently, extend the use scope of pipeline, it is adaptable to solid particle, powder, slurry and transfer of gas.The pipe material inner wall prepared is smooth, tube fluid resistance is little, non-scaling, not cooperating microorganisms, fluid is not by secondary pollution, comparing with domestic like product, the hot strength of tubing can improve 120%, and tension fracture elongation rate can improve 40%, notch impact strength can improve 110%, effectively raise the service life of tubing, reduce the use cost of client, saved resource；Second, it is improved to the reactive extrusion molding in extrusion molding new technology by traditional Single screw extrusion molding, material constantly accepts between the external heat of barrel and screw rod and plastics, shearing friction heat between barrel and plastics, melted gradually is that viscous state is then under the effect of extrusion system, plastic melt is by having effigurate extrusion die, thus obtaining the effigurate tubing of tool, compared with original Single screw extrusion forming technique, reactive extrusion molding avoids Repeat-heating, monomer can be adjusted in process of production in time, the physical property of raw material, ensure product quality, reduce production cost；3rd, the improvement to existing extrusion equipment, adjust the rotating speed of screw rod, being adjusted to 60-80r/min by 10 general～35r/min, add the moment of torsion of gear wheel, cooling section is adopted the mode being water-cooled and goods is carried out cooling and shaping, thus ensureing the quality of goods, improve production efficiency.
Detailed description of the invention
Embodiment 1
The processing method of a kind of supra-macromolecule polyethylene composite pipe, comprises the following steps:
(1) by raw material polyvinyl resin with super-high molecular weight, graphite, Tissuemat E, antioxidant mix homogeneously, ultra high molecular polyethylene resin, graphite, Tissuemat E, the mass ratio of antioxidant is 85-95:1-2:2.7-13.9:0.1-0.3, the raw material of mix homogeneously joins screw extruder barrel, rotate at barrel temperature and screw rod, under compacting and immixture, the transform raw material of solid-state is the improving uniformity of melt with mobility, improving uniformity of melt moves to barrel front end with the rotation of screw rod, under the rotary squeezing effect of screw rod, by the mouth die of definite shape on screw extruder, obtain the tubing consistent with Oral incision, tubing passes through shaping equipment and chiller, cooling adopts water-oil cooled mode, it is made to cool down hardening and shape；Product plastic is after die extrusion, while cooling, is continuously and uniformly drawn by product, utilizes the product that cooled, sizing are obtained by cutter sweep to cut, and the product after cutting, through inspection, checks qualified product and ultra high molecular polyethylene pipe；
(2) undertaken cutting and post processing by superhigh molecular weight polyethylene pipe, be lining in steel pipe in reprocessed superhigh molecular weight polyethylene pipe, obtain supra-macromolecule polyethylene composite pipe.
Preferably, the mass ratio of described ultra high molecular polyethylene resin, graphite, Tissuemat E and antioxidant is 90:2.3:6.5:0.2.
Preferably, the velocity of rotation of described screw extruder screw rod is 60-80r/min.
Preferably, described antioxidant is antioxidant 1010 or the mixture of antioxidant 1076 or antioxidant 1010 and antioxidant 1076.
Embodiment 2
The processing method of a kind of supra-macromolecule polyethylene composite pipe, comprises the following steps:
(1) by raw material polyvinyl resin with super-high molecular weight, graphite, Tissuemat E, antioxidant 1010 mix homogeneously, ultra high molecular polyethylene resin, graphite, Tissuemat E, the mass ratio of antioxidant is 85:1:13.9:0.1, the raw material of mix homogeneously joins screw extruder barrel, rotate at barrel temperature and screw rod, under compacting and immixture, the transform raw material of solid-state is the improving uniformity of melt with mobility, improving uniformity of melt moves to barrel front end with the rotation of screw rod, under the rotary squeezing effect of screw rod, by the mouth die of definite shape on screw extruder, obtain the tubing consistent with Oral incision, tubing passes through shaping equipment and chiller, cooling adopts water-oil cooled mode, it is made to cool down hardening and shape；Product plastic is after die extrusion, while cooling, is continuously and uniformly drawn by product, utilizes the product that cooled, sizing are obtained by cutter sweep to cut, and the product after cutting, through inspection, checks qualified product and ultra high molecular polyethylene pipe；
(2) undertaken cutting and post processing by superhigh molecular weight polyethylene pipe, be lining in steel pipe in reprocessed superhigh molecular weight polyethylene pipe, obtain supra-macromolecule polyethylene composite pipe.
The preferred 60r/min of velocity of rotation of screw extruder screw rod.
Embodiment 3
The processing method of a kind of supra-macromolecule polyethylene composite pipe, comprises the following steps:
(1) by raw material polyvinyl resin with super-high molecular weight, graphite, Tissuemat E, antioxidant 1076 mix homogeneously, ultra high molecular polyethylene resin, graphite, Tissuemat E, the mass ratio of antioxidant is 90:2.3:6.5:0.2, the raw material of mix homogeneously joins screw extruder barrel, rotate at barrel temperature and screw rod, under compacting and immixture, the transform raw material of solid-state is the improving uniformity of melt with mobility, improving uniformity of melt moves to barrel front end with the rotation of screw rod, under the rotary squeezing effect of screw rod, by the mouth die of definite shape on screw extruder, obtain the tubing consistent with Oral incision, tubing passes through shaping equipment and chiller, cooling adopts water-oil cooled mode, it is made to cool down hardening and shape；Product plastic is after die extrusion, while cooling, is continuously and uniformly drawn by product, utilizes the product that cooled, sizing are obtained by cutter sweep to cut, and the product after cutting, through inspection, checks qualified product and ultra high molecular polyethylene pipe；
(2) undertaken cutting and post processing by superhigh molecular weight polyethylene pipe, be lining in steel pipe in reprocessed superhigh molecular weight polyethylene pipe, obtain supra-macromolecule polyethylene composite pipe.
The preferred 70r/min of velocity of rotation of screw extruder screw rod.
Embodiment 4
The processing method of a kind of supra-macromolecule polyethylene composite pipe, comprises the following steps:
(1) by raw material polyvinyl resin with super-high molecular weight, graphite, Tissuemat E, antioxidant mix homogeneously, ultra high molecular polyethylene resin, graphite, Tissuemat E, the mass ratio of antioxidant is 95:2:2.7:0.3, the raw material of mix homogeneously joins screw extruder barrel, rotate at barrel temperature and screw rod, under compacting and immixture, the transform raw material of solid-state is the improving uniformity of melt with mobility, improving uniformity of melt moves to barrel front end with the rotation of screw rod, under the rotary squeezing effect of screw rod, by the mouth die of definite shape on screw extruder, obtain the tubing consistent with Oral incision, tubing passes through shaping equipment and chiller, cooling adopts water-oil cooled mode, it is made to cool down hardening and shape；Product plastic is after die extrusion, while cooling, is continuously and uniformly drawn by product, utilizes the product that cooled, sizing are obtained by cutter sweep to cut, and the product after cutting, through inspection, checks qualified product and ultra high molecular polyethylene pipe；
(2) undertaken cutting and post processing by superhigh molecular weight polyethylene pipe, be lining in steel pipe in reprocessed superhigh molecular weight polyethylene pipe, obtain supra-macromolecule polyethylene composite pipe.
The velocity of rotation of screw extruder screw rod is preferably 60-80r/min.
Antioxidant is antioxidant 1010 and the mixture of antioxidant 1076.
Ultra-high molecular weight polyethylene has superpower wearability, self lubricity, and strength ratio is higher, stable chemical nature, ageing resistace are strong.To be lining in superhigh molecular weight polyethylene pipe in steel pipe, the centrage of superhigh molecular weight polyethylene pipe and steel pipe is on the same line, superhigh molecular weight polyethylene pipe adopts matched in clearance with steel pipe, gap is 1-1.5mm, transport pipeline is made to have steel pipe and the advantage of superelevation subcomponent polyethylene pipe concurrently, extend the use scope of pipeline, it is adaptable to solid particle, powder, slurry and transfer of gas.The pipe material inner wall prepared is smooth, tube fluid resistance is little, non-scaling, not cooperating microorganisms, fluid is not by secondary pollution, comparing with domestic like product, the hot strength of tubing can improve 120%, and tension fracture elongation rate can improve 40%, notch impact strength can improve 110%, effectively raise the service life of tubing, reduce the use cost of client, saved resource.
The present invention is improved to the reactive extrusion molding in extrusion molding new technology by traditional Single screw extrusion molding, material constantly accepts between the external heat of barrel and screw rod and plastics, shearing friction heat between barrel and plastics, melted gradually is that viscous state is then under the effect of extrusion system, plastic melt is by having effigurate extrusion die, thus obtaining the effigurate tubing of tool, compared with original Single screw extrusion forming technique, reactive extrusion molding avoids Repeat-heating, monomer can be adjusted in process of production in time, the physical property of raw material, ensure product quality, reduce production cost.
The present invention improvement to existing extrusion equipment, adjusts the rotating speed of screw rod, 10 general～35r/min is adjusted to 60-80r/min, add the moment of torsion of gear wheel, cooling section is adopted the mode being water-cooled and goods is carried out cooling and shaping, thus ensureing the quality of goods, improves production efficiency.
Claims (1)
1. a processing method for supra-macromolecule polyethylene composite pipe, is characterized in that, comprises the following steps:
(1) by raw material polyvinyl resin with super-high molecular weight, graphite, Tissuemat E, antioxidant mix homogeneously, ultra high molecular polyethylene resin, graphite, Tissuemat E, antioxidant mass ratio be 90:2.3:6.5:0.2, described antioxidant is antioxidant 1076 or the mixture of antioxidant 1010 and antioxidant 1076；The raw material of mix homogeneously joins screw extruder barrel, under barrel temperature and screw rod rotation, compacting and immixture, the transform raw material of solid-state is the improving uniformity of melt with mobility, improving uniformity of melt moves to barrel front end with the rotation of screw rod, under the rotary squeezing effect of screw rod, by the mouth die of definite shape on screw extruder, obtain the tubing consistent with Oral incision, tubing passes through shaping equipment and chiller, cooling adopts water-oil cooled mode, making it cool down hardening and shape, the velocity of rotation of described screw extruder screw rod is 60-80r/min；Product plastic is after die extrusion, while cooling, is continuously and uniformly drawn by product, utilizes the product that cooled, sizing are obtained by cutter sweep to cut, and the product after cutting, through inspection, checks qualified product and ultra high molecular polyethylene pipe；
(2) undertaken cutting and post processing by superhigh molecular weight polyethylene pipe, be lining in steel pipe in reprocessed superhigh molecular weight polyethylene pipe, obtain supra-macromolecule polyethylene composite pipe.
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| CN201310298794.XA CN103587121B (en) | 2013-07-17 | 2013-07-17 | A kind of processing method of supra-macromolecule polyethylene composite pipe |
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| CN201310298794.XA CN103587121B (en) | 2013-07-17 | 2013-07-17 | A kind of processing method of supra-macromolecule polyethylene composite pipe |
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| CN103587121B true CN103587121B (en) | 2016-07-06 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104212035A (en) * | 2014-09-05 | 2014-12-17 | 扬州巨业耐磨复合材料有限责任公司 | Processing method of high-strength self-lubricating ultra-high molecular weight polyethylene wear-resistant composite pipe |
| CN104861270B (en) * | 2015-05-28 | 2017-06-16 | 山东科力新材料有限公司 | A kind of heatproof oil pumping tubing and its production method |
| CN106496722A (en) * | 2016-09-26 | 2017-03-15 | 中国科学院兰州化学物理研究所 | Compound pipeline complex pipeline and its preparation technology |
| CN106867079A (en) * | 2017-03-11 | 2017-06-20 | 苏州中隆机电配件有限公司 | A kind of improved composition of ultra-high molecular weight polyethylene and its preparation method and application |
| CN110283446A (en) * | 2019-05-25 | 2019-09-27 | 招商局重工（江苏）有限公司 | The inner lining material and preparation method thereof of nonmetal flexible multiple tube |
| CN111873363A (en) * | 2020-08-01 | 2020-11-03 | 河南中喷天润实业有限公司 | New process for composite polymer plastic pipe |
| CN114539650B (en) * | 2022-01-10 | 2023-03-21 | 上海化工研究院有限公司 | Preparation method of ultra-high molecular weight polyethylene nano composite material product, mold and product |
| CN117944244B (en) * | 2024-03-22 | 2024-05-24 | 贵阳甬鑫塑管制造有限公司 | Plastic pipe cooling and shaping equipment |
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| CN1963278A (en) * | 2006-11-20 | 2007-05-16 | 山东东方管业有限公司 | Superhigh molecular polyethylene compound pipe and method for manufacturing same |
| CN102964659B (en) * | 2012-11-05 | 2014-12-17 | 山西晋龙通达管业有限公司 | Multifunctional polyethylene and stainless steel composite pipe |
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