CN112283462A - Glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe and processing technology - Google Patents
Glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe and processing technology Download PDFInfo
- Publication number
- CN112283462A CN112283462A CN202011234514.5A CN202011234514A CN112283462A CN 112283462 A CN112283462 A CN 112283462A CN 202011234514 A CN202011234514 A CN 202011234514A CN 112283462 A CN112283462 A CN 112283462A
- Authority
- CN
- China
- Prior art keywords
- density polyethylene
- fiber reinforced
- glass fiber
- pipe
- reinforced plastic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 104
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 104
- 239000011152 fibreglass Substances 0.000 title claims abstract description 56
- 238000005516 engineering process Methods 0.000 title claims abstract description 28
- 239000003733 fiber-reinforced composite Substances 0.000 title claims description 33
- 239000003365 glass fiber Substances 0.000 claims abstract description 43
- 238000001125 extrusion Methods 0.000 claims abstract description 31
- 239000002131 composite material Substances 0.000 claims abstract description 26
- -1 polyethylene Polymers 0.000 claims abstract description 19
- 239000004698 Polyethylene Substances 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims abstract description 18
- 229920000573 polyethylene Polymers 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000012790 adhesive layer Substances 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- 239000011159 matrix material Substances 0.000 claims abstract description 3
- 239000012752 auxiliary agent Substances 0.000 claims description 31
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 12
- 239000003063 flame retardant Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 238000004513 sizing Methods 0.000 claims description 12
- 230000007797 corrosion Effects 0.000 claims description 10
- 238000005260 corrosion Methods 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 10
- 230000003712 anti-aging effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- 238000009941 weaving Methods 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 5
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 229920000690 Tyvek Polymers 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 229920006262 high density polyethylene film Polymers 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 abstract description 2
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000002253 acid Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000002585 base Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/123—Rigid pipes of plastics with or without reinforcement with four layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/10—Coatings characterised by the materials used by rubber or plastics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/04—Installations of electric cables or lines in or on the ground or water in surface ducts; Ducts or covers therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Composite Materials (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
A glass fiber reinforced composite high-density polyethylene pipe and a processing technology thereof relate to the technical field of glass fiber reinforced polyethylene pipes. The high-density polyethylene composite material comprises a high-density polyethylene body, a high-density polyethylene outer layer film and glass fiber reinforced plastic fibers, wherein the high-density polyethylene body is of a circular structure in appearance, a central through hole is formed in the high-density polyethylene body, the high-density polyethylene outer layer film is arranged on the periphery of the high-density polyethylene body, an adhesive layer is arranged on the periphery of the high-density polyethylene outer layer film, and the glass fiber reinforced plastic fibers are arranged on the periphery of the adhesive layer. The invention has the beneficial effects that: the pipeline is formed by using resin as a matrix, using continuous glass fiber and fabrics thereof as an additive and using a computer to control an extrusion process or a pultrusion process, so that the pipeline has strong overall practicability and great market popularization value.
Description
Technical Field
The invention relates to the technical field of glass fiber reinforced plastic polyethylene pipes, in particular to a glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe and a processing technology thereof.
Background
High Density Polyethylene (HDPE) is generally a linear polymer material with good heat and cold resistance, good chemical stability (insoluble in organic solvents, acid, alkali and various salts at room temperature), high rigidity and toughness, and good mechanical strength. The pipe made of HDPE has the advantages of flexibility, strong tensile resistance, corrosion resistance and easy replacement, and under a common use environment, factors such as soil, electric power, acid and alkali can not damage the pipe, so that the pipe can be widely applied to the fields of gas delivery, water supply, pollution discharge, agricultural irrigation and the like.
The existing commercial HDPE pipes have the following disadvantages: HDPE has poor aging resistance and environmental stress cracking resistance which are inferior to those of low density polyethylene, and the performance of HDPE is reduced by thermal oxidation; the HDPE attribute is not strong in rigidity relative to the glass fiber reinforced plastics and is relatively soft; the flame is not high in ignition point and inflammable, can continue to burn after leaving the fire, is yellow at the upper end and blue at the lower end, and can melt and have liquid dripping during burning.
Disclosure of Invention
The invention aims to provide a glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe and a processing technology aiming at the defects and shortcomings of the prior art, and aims to solve the problems in the background technology, the invention takes resin as a matrix, takes continuous glass fiber and fabric thereof as additional materials, and adopts a pipeline formed by a computer-controlled extrusion technology or pultrusion technology, and the technical innovation of production technical equipment shows that the production of the glass fiber reinforced composite high-density polyethylene pipe integrates the pultrusion technology of the glass fiber and the extrusion technology of the glass fiber reinforced composite high-density polyethylene pipe, so that two different technologies can realize a one-step forming technology on the basis of the operation of the same equipment, the production efficiency is greatly improved, and meanwhile, electric energy and human resources are saved; the product is characterized in that the product is innovated in the product, and the toughness of the glass fiber reinforced composite high-density polyethylene pipe and the rigidity of the glass fiber reinforced composite high-density polyethylene pipe are fused, so that the product reaches the double standards of the rigidity and the toughness, namely, the product has super-strong ring rigidity and the super-strong toughness of the glass fiber reinforced composite high-density polyethylene pipe, and the problems that the glass fiber reinforced composite high-density polyethylene pipe has toughness and insufficient rigidity are solved; under the protection of the glass fiber reinforced plastic fiber and glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe, the service life of the product is greatly prolonged; meanwhile, the specific application range of the product before the application range of the product is expanded, the product is used for pollution discharge and drainage only by pollution discharge and drainage, the power pipe is used in the power range, and the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe is suitable for various ranges such as a pollution discharge and drainage power pressure pipeline, so that the requirement of one pipe for multiple purposes is met, the whole practicability is strong, and the market popularization value is high.
In order to achieve the purpose, the invention adopts the following technical scheme: the high-density polyethylene composite material comprises a high-density polyethylene body, a high-density polyethylene outer layer film and glass fiber reinforced plastic fibers, wherein the high-density polyethylene body is of a circular structure in appearance, a central through hole is formed in the high-density polyethylene body, the high-density polyethylene outer layer film is arranged on the periphery of the high-density polyethylene body, an adhesive layer is arranged on the periphery of the high-density polyethylene outer layer film, and the glass fiber reinforced plastic fibers are arranged on the periphery of the adhesive layer.
The high-density polyethylene body is made of resin serving as a base body, the glass fiber reinforced plastic fibers are of a net-shaped structure and are formed by alternately weaving glass fiber yarns, the high-density polyethylene body is formed by a pultrusion process, the glass fiber reinforced plastic fibers are formed by an extrusion process, and the pultrusion process of the high-density polyethylene body and the extrusion process of the glass fiber reinforced plastic fibers realize a one-step forming technology on the basis of the operation of the same set of equipment.
The glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe adopts a sealing socket connection mode, can also adopt connection modes such as flanges or bonding at special positions, is matched with a professional pipe pillow combination, and can form a plurality of layers and columns of multi-conduit calandria.
The processing technology of the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe comprises the following components in percentage by weight: 50-100 parts of polyethylene, 5-40 parts of glass fiber yarns, 20-25 parts of a first auxiliary agent, 10-15 parts of a second auxiliary agent, 5-10 parts of a third auxiliary agent and 1-5 parts of a fourth auxiliary agent, wherein the processing technology of the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe comprises the following steps: the method comprises the following steps of firstly, weighing polyethylene, an anti-aging agent, a heat resisting agent, a flame retardant, a fourth auxiliary agent, and carrying out classification marking on the polyethylene, the anti-aging agent, the heat resisting agent, the flame retardant and the flame retardant respectively according to the weight ratio; stirring and mixing the polyethylene, the anti-aging agent, the anti-heat agent, the corrosion resistant agent and the flame retardant through a high-speed stirrer to obtain a mixture A; step three, the mixture A is fully stirred and mixed at a low speed through a low-speed mixer, and a mixture B is obtained after full mixing; putting the mixture B into a designated bin grinding tool, and carrying out polymerization reaction under the conditions of temperature and pressure; step five, performing extrusion molding on the material generated after the polymerization reaction; sixthly, cooling and sizing the extruded pipe; step seven, the glass fiber yarns are pultruded, crossed and woven by a screw machine to be adhered to the pipe material with the cooling sizing; step eight, identifying the cooling sizing pipe after the glass fiber yarns are extruded and woven in a cross mode so as to prevent identification errors; step nine, performing size cutting on the cooling sizing pipe subjected to extruding, cross weaving and the like of the glass fiber yarns; step ten, carrying out size and appearance inspection on the cut pipe; step eleven, packaging the pipe according to the packaging specification requirement; and step twelve, uniformly warehousing the packaged pipes.
The rotating speed of the high-speed stirrer in the second step is 300-400r/min, and the rotating time of the high-speed stirrer is 5-10 min.
The rotating speed of the low-speed mixer in the third step is 100-200r/min, and the rotating time of the low-speed mixer is 20-40 min.
The temperature in the four-bin grinding tool in the step four is 120-180 ℃, and the pressure is 0.8-1.0 MPa.
The backflow time of the extrusion molding in the fifth step is 8-20min, the extrusion speed is 80-120r/min, and the extrusion molding temperature is 120-150 ℃.
After the technical scheme is adopted, the invention has the beneficial effects that: the technical innovation of the production technical equipment is that the production of the glass fiber reinforced composite high-density polyethylene pipe is integrated with the pultrusion process of the glass fiber reinforced composite high-density polyethylene pipe, two different processes realize a one-step forming technology on the basis of the operation of the same set of equipment, the production efficiency is greatly improved, and meanwhile, electric energy and manpower resources are saved; the product is characterized in that the product is innovated in the product, and the toughness of the glass fiber reinforced composite high-density polyethylene pipe and the rigidity of the glass fiber reinforced composite high-density polyethylene pipe are fused, so that the product reaches the double standards of the rigidity and the toughness, namely, the product has super-strong ring rigidity and the super-strong toughness of the glass fiber reinforced composite high-density polyethylene pipe, and the problems that the glass fiber reinforced composite high-density polyethylene pipe has toughness and insufficient rigidity are solved; under the protection of the glass fiber reinforced plastic fiber and glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe, the service life of the product is greatly prolonged; meanwhile, the specific application range of the product before the application range of the product is expanded, the product is used for pollution discharge and drainage only by pollution discharge and drainage, the power pipe is used in the power range, and the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe is suitable for various ranges such as a pollution discharge and drainage power pressure pipeline, so that the requirement of one pipe for multiple purposes is met, and the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe has the following advantages: the strength is high, the concrete is directly buried under the traffic lane, a concrete protective layer is not required to be added, and the engineering construction progress can be accelerated; the toughness is good, and the damage caused by external heavy pressure and foundation settlement can be resisted; the electric insulation, flame retardation and heat resistance are good, the cable can be used at a high temperature of 130 ℃ for a long time without deformation, is corrosion resistant, has long service life, can resist the corrosion of various corrosive media such as acid, alkali, salt, organic solvent and the like, and has the service life of 80-100 years; the inner wall is smooth, the cable is not scratched, the rubber sealing socket joint is convenient to install and connect, and the rubber sealing socket joint is suitable for expansion with heat and contraction with cold; the concrete has the advantages that the concrete is small in specific gravity and light in weight, can be lifted once, can be installed by two persons, can greatly shorten the construction period, reduce the installation cost, and simultaneously avoid the problems that the urban traffic order is influenced by long exposure time of road excavation and the like; the cable is free of electric corrosion and non-magnetic, unlike magnetic materials such as steel pipes and the like, and the cable is heated and damaged after electric eddy current is generated; the application range is wide, the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe is suitable for being used as a protective pipe when a cable is buried and laid, and is also used in high-requirement occasions such as cable bridge crossing, river crossing and the like, and a multi-layer and multi-row multi-conduit pipe arrangement mode can be formed by adopting the matched special pipe pillow combination; the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe mainly adopts a sealing socket connection mode, and special positions can also adopt connection modes such as flanges or bonding, so that the whole practicability is strong, and the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe has a large market popularization value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Description of reference numerals: the high-density polyethylene composite material comprises a high-density polyethylene body 1, a central through hole 11, a high-density polyethylene outer layer film 2, an adhesive layer 21 and glass fiber reinforced plastic fibers 3.
Detailed Description
Referring to fig. 1, the technical solution adopted by the present embodiment is: the high-density polyethylene composite film comprises a high-density polyethylene body 1, a high-density polyethylene outer layer film 2 and glass fiber reinforced plastic fibers 3, wherein the high-density polyethylene body 1 is of a circular structure, a central through hole 11 is formed in the high-density polyethylene body 1, the high-density polyethylene outer layer film 2 is arranged on the periphery of the high-density polyethylene body 1, an adhesive layer 21 is arranged on the periphery of the high-density polyethylene outer layer film 2, and the glass fiber reinforced plastic fibers 3 are arranged on the periphery of the adhesive layer 21.
Further, the high-density polyethylene body 1 is made of resin serving as a base body, the glass fiber reinforced plastic fibers 3 are of a net structure and are formed by cross weaving of fiber glass yarns, the high-density polyethylene body 1 is formed by a pultrusion process, the glass fiber reinforced plastic fibers 3 are formed by an extrusion process, and the pultrusion process of the high-density polyethylene body 1 and the extrusion process of the glass fiber reinforced plastic fibers 3 realize a one-step forming technology on the basis of the operation of the same set of equipment.
Furthermore, the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe adopts a sealing socket connection mode, can also adopt connection modes such as flanges or bonding at special positions, is combined with a professional pipe pillow, and can form a plurality of layers and columns of multi-conduit calandria.
Example 1
The processing technology of the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe comprises the following components in percentage by weight: 50-100 parts of polyethylene, 5-40 parts of glass fiber yarns, 20-25 parts of a first auxiliary agent, 10-15 parts of a second auxiliary agent, 5-10 parts of a third auxiliary agent and 1-5 parts of a fourth auxiliary agent, wherein the processing technology of the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe comprises the following steps: the method comprises the following steps of firstly, weighing polyethylene, an anti-aging agent, a heat resisting agent, a flame retardant, a fourth auxiliary agent, and carrying out classification marking on the polyethylene, the anti-aging agent, the heat resisting agent, the flame retardant and the flame retardant respectively according to the weight ratio; stirring and mixing the polyethylene, the anti-aging agent, the anti-heat agent, the corrosion resistant agent and the flame retardant through a high-speed stirrer to obtain a mixture A; step three, the mixture A is fully stirred and mixed at a low speed through a low-speed mixer, and a mixture B is obtained after full mixing; putting the mixture B into a designated bin grinding tool, and carrying out polymerization reaction under the conditions of temperature and pressure; step five, performing extrusion molding on the material generated after the polymerization reaction; sixthly, cooling and sizing the extruded pipe; step seven, the glass fiber yarns are pultruded, crossed and woven by a screw machine to be adhered to the pipe material with the cooling sizing; step eight, identifying the cooling sizing pipe after the glass fiber yarns are extruded and woven in a cross mode so as to prevent identification errors; step nine, performing size cutting on the cooling sizing pipe subjected to extruding, cross weaving and the like of the glass fiber yarns; step ten, carrying out size and appearance inspection on the cut pipe; step eleven, packaging the pipe according to the packaging specification requirement; and step twelve, uniformly warehousing the packaged pipes.
Further, the rotating speed of the high-speed stirrer in the second step is 300-.
Further, the rotating speed of the low-speed mixer in the third step is 100-.
Further, the temperature in the four-bin grinding tool in the step is 120-180 ℃, and the pressure is 0.8-1.0 MPa.
Furthermore, the backflow time of the extrusion molding in the fifth step is 8-20min, the extrusion speed is 80-120r/min, and the extrusion molding temperature is 120-150 ℃.
Example 2
The processing technology of the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe comprises the following components in percentage by weight: 60 parts of polyethylene, 10 parts of glass fiber yarns, 21 parts of first auxiliary agent, 11 parts of second auxiliary agent, 6 parts of third auxiliary agent and 2 parts of fourth auxiliary agent, and the rest processing steps are the same as those of the embodiment 1, the rotating speed of a high-speed stirrer in the step two is 320r/min, the rotating time of the high-speed stirrer is 6min, the rotating speed of a low-speed mixer in the step three is 120r/min, the rotating time of the low-speed mixer is 20min, the temperature in a grinding tool in a bin in the step four is 130 ℃, the pressure in the bin four is 0.8MPa, the reflux time of extrusion molding in the step five is 10min, the extrusion speed is 80r/min, and the extrusion molding temperature is 120 ℃.
The processing technology of the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe comprises the following components in percentage by weight: 70 parts of polyethylene, 20 parts of glass fiber yarns, 22 parts of first auxiliary agents, 12 parts of second auxiliary agents, 7 parts of third auxiliary agents and 3 parts of fourth auxiliary agents, and the other processing steps are the same as those of the embodiment 1, the rotating speed of a high-speed stirrer in the second step is 340r/min, the rotating time of the high-speed stirrer is 7min, the rotating speed of a low-speed mixer in the third step is 140r/min, the rotating time of the low-speed mixer is 25min, the temperature in a grinding tool in a bin in the fourth step is 140 ℃, the pressure is 0.8MPa, the reflux time of extrusion molding in the fifth step is 14min, the extrusion speed is 90r/min, and the extrusion molding temperature is 130 ℃.
Example 4
The processing technology of the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe comprises the following components in percentage by weight: 80 parts of polyethylene, 30 parts of glass fiber yarns, 23 parts of first auxiliary agents, 13 parts of second auxiliary agents, 8 parts of third auxiliary agents and 4 parts of fourth auxiliary agents, and the rest processing steps are the same as those of the embodiment 1, the rotating speed of a high-speed stirrer in the second step is 380r/min, the rotating time of the high-speed stirrer is 8min, the rotating speed of a low-speed mixer in the third step is 160r/min, the rotating time of the low-speed mixer is 30min, the temperature in a grinding tool in a bin in the fourth step is 160 ℃, the pressure is 0.9MPa, the reflux time of extrusion molding in the fifth step is 18min, the extrusion speed is 110r/min, and the extrusion molding temperature is 140 ℃.
Example 4
The processing technology of the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe comprises the following components in percentage by weight: 100 parts of polyethylene, 40 parts of glass fiber yarns, 25 parts of first auxiliary agent, 15 parts of second auxiliary agent, 10 parts of third auxiliary agent and 5 parts of fourth auxiliary agent, and the rest processing steps are the same as those of the embodiment 1, the rotating speed of a high-speed stirrer in the second step is 400r/min, the rotating time of the high-speed stirrer is 10min, the rotating speed of a low-speed mixer in the third step is 200r/min, the rotating time of the low-speed mixer is 40min, the temperature in a grinding tool in a bin in the fourth step is 180 ℃, the pressure is 1.0MPa, the reflux time of extrusion molding in the fifth step is 20min, the extrusion speed is 120r/min, and the extrusion molding temperature is 150 ℃.
After the technical scheme is adopted, the invention has the beneficial effects that: the technical innovation of the production technical equipment is that the production of the glass fiber reinforced composite high-density polyethylene pipe is integrated with the pultrusion process of the glass fiber reinforced composite high-density polyethylene pipe, two different processes realize a one-step forming technology on the basis of the operation of the same set of equipment, the production efficiency is greatly improved, and meanwhile, electric energy and manpower resources are saved; the product is characterized in that the product is innovated in the product, and the toughness of the glass fiber reinforced composite high-density polyethylene pipe and the rigidity of the glass fiber reinforced composite high-density polyethylene pipe are fused, so that the product reaches the double standards of the rigidity and the toughness, namely, the product has super-strong ring rigidity and the super-strong toughness of the glass fiber reinforced composite high-density polyethylene pipe, and the problems that the glass fiber reinforced composite high-density polyethylene pipe has toughness and insufficient rigidity are solved; under the protection of the glass fiber reinforced plastic fiber and glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe, the service life of the product is greatly prolonged; meanwhile, the specific application range of the product before the application range of the product is expanded, the product is used for pollution discharge and drainage only by pollution discharge and drainage, the power pipe is used in the power range, and the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe is suitable for various ranges such as a pollution discharge and drainage power pressure pipeline, so that the requirement of one pipe for multiple purposes is met, and the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe has the following advantages: the strength is high, the concrete is directly buried under the traffic lane, a concrete protective layer is not required to be added, and the engineering construction progress can be accelerated; the toughness is good, and the damage caused by external heavy pressure and foundation settlement can be resisted; the electric insulation, flame retardation and heat resistance are good, the cable can be used at a high temperature of 130 ℃ for a long time without deformation, is corrosion resistant, has long service life, can resist the corrosion of various corrosive media such as acid, alkali, salt, organic solvent and the like, and has the service life of 80-100 years; the inner wall is smooth, the cable is not scratched, the rubber sealing socket joint is convenient to install and connect, and the rubber sealing socket joint is suitable for expansion with heat and contraction with cold; the concrete has the advantages that the concrete is small in specific gravity and light in weight, can be lifted once, can be installed by two persons, can greatly shorten the construction period, reduce the installation cost, and simultaneously avoid the problems that the urban traffic order is influenced by long exposure time of road excavation and the like; the cable is free of electric corrosion and non-magnetic, unlike magnetic materials such as steel pipes and the like, and the cable is heated and damaged after electric eddy current is generated; the application range is wide, the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe is suitable for being used as a protective pipe when a cable is buried and laid, and is also used in high-requirement occasions such as cable bridge crossing, river crossing and the like, and a multi-layer and multi-row multi-conduit pipe arrangement mode can be formed by adopting the matched special pipe pillow combination; the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe mainly adopts a sealing socket connection mode, and special positions can also adopt connection modes such as flanges or bonding, so that the whole practicability is strong, and the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe has a large market popularization value.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The utility model provides a compound high density polyethylene pipe of glass steel fiber reinforcement which characterized in that: the high-density polyethylene film comprises a high-density polyethylene body (1), a high-density polyethylene outer-layer film (2) and glass fiber reinforced plastic fibers (3), wherein the appearance of the high-density polyethylene body (1) is of a circular structure, a central through hole (11) is formed in the high-density polyethylene body (1), the high-density polyethylene outer-layer film (2) is arranged on the periphery of the high-density polyethylene body (1), an adhesive layer (21) is arranged on the periphery of the high-density polyethylene outer-layer film (2), and the glass fiber reinforced plastic fibers (3) are arranged on the periphery of the adhesive layer (21).
2. The glass fiber reinforced composite high density polyethylene pipe of claim 1, wherein: the high-density polyethylene fiber reinforced plastic composite material is characterized in that the high-density polyethylene body (1) is made of resin serving as a matrix, the glass fiber reinforced plastic fibers (3) are of a net-shaped structure and are formed by alternately weaving glass fiber yarns, and the high-density polyethylene body (1) and the glass fiber reinforced plastic fibers (3) are integrally formed.
3. The glass fiber reinforced composite high density polyethylene pipe of claim 1, wherein: the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe adopts a sealing socket connection mode, can also adopt connection modes such as flanges or bonding at special positions, is matched with a professional pipe pillow combination, and can form a plurality of layers and columns of multi-conduit calandria.
4. A processing technology of a glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe is characterized by comprising the following steps: the processing technology of the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe comprises the following components in percentage by weight: 50-100 parts of polyethylene, 5-40 parts of glass fiber yarns, 20-25 parts of a first auxiliary agent, 10-15 parts of a second auxiliary agent, 5-10 parts of a third auxiliary agent and 1-5 parts of a fourth auxiliary agent, wherein the processing technology of the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe comprises the following steps: the method comprises the following steps of firstly, weighing polyethylene, an anti-aging agent, a heat resisting agent, a flame retardant, a fourth auxiliary agent, and carrying out classification marking on the polyethylene, the anti-aging agent, the heat resisting agent, the flame retardant and the flame retardant respectively according to the weight ratio; stirring and mixing the polyethylene, the anti-aging agent, the anti-heat agent, the corrosion resistant agent and the flame retardant through a high-speed stirrer to obtain a mixture A; step three, the mixture A is fully stirred and mixed at a low speed through a low-speed mixer, and a mixture B is obtained after full mixing; putting the mixture B into a designated bin grinding tool, and carrying out polymerization reaction under the conditions of temperature and pressure; step five, performing extrusion molding on the material generated after the polymerization reaction; sixthly, cooling and sizing the extruded pipe; step seven, the glass fiber yarns are pultruded, crossed and woven by a screw machine to be adhered to the pipe material with the cooling sizing; step eight, identifying the cooling sizing pipe after the glass fiber yarns are extruded and woven in a cross mode so as to prevent identification errors; step nine, performing size cutting on the cooling sizing pipe subjected to extruding, cross weaving and the like of the glass fiber yarns; step ten, carrying out size and appearance inspection on the cut pipe; step eleven, packaging the pipe according to the packaging specification requirement; and step twelve, uniformly warehousing the packaged pipes.
5. The processing technology of the glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe according to claim 4, characterized in that: the rotating speed of the high-speed stirrer in the second step is 300-400r/min, the rotating time of the high-speed stirrer is 5-10min, the rotating speed of the low-speed mixer in the third step is 100-200r/min, the rotating time of the low-speed mixer is 20-40min, the temperature in the grinding tool in the fourth step is 120-180 ℃, the pressure is 0.8-1.0MPa, the reflux time of the extrusion molding in the fifth step is 8-20min, the extrusion speed is 80-120r/min, and the extrusion molding temperature is 120-150 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011234514.5A CN112283462A (en) | 2020-11-07 | 2020-11-07 | Glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe and processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011234514.5A CN112283462A (en) | 2020-11-07 | 2020-11-07 | Glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe and processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112283462A true CN112283462A (en) | 2021-01-29 |
Family
ID=74351327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011234514.5A Pending CN112283462A (en) | 2020-11-07 | 2020-11-07 | Glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe and processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112283462A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118176Y (en) * | 2007-11-14 | 2008-09-17 | 杭州新世复合管道有限公司 | Organic glass fibre reinforced plastic cable protector |
| US20090022920A1 (en) * | 2005-06-30 | 2009-01-22 | Vladimir Stepanovich Vinarsky | Composite Article For Conveying And/Or Storage Of Liquid and Gaseous Media And A Process For Producing The Same |
| CN101353465A (en) * | 2008-08-18 | 2009-01-28 | 江苏常盛管业有限公司 | Formula of modified polychloroethylene pipes |
| CN101968142A (en) * | 2010-10-20 | 2011-02-09 | 江苏常盛管业有限公司 | Low-cost composite polyethylene pipe |
| CN202034743U (en) * | 2011-04-22 | 2011-11-09 | 广东联塑科技实业有限公司 | Enhanced cable conduit |
| CN102478130A (en) * | 2010-11-27 | 2012-05-30 | 泰州申视塑料有限公司 | High-pressure-bearing ultrahigh-molecular-weight polyethylene reinforced composite pipe structure |
| CN202708352U (en) * | 2012-08-01 | 2013-01-30 | 四川泓锦工贸有限责任公司 | PE160-rank fiber-reinforced polyethylene tube stock |
| CN104927264A (en) * | 2015-06-18 | 2015-09-23 | 湖北金马塑业有限公司 | Chlorinated polyvinyl chloride double-wall corrugated pipe |
| CN105328954A (en) * | 2015-10-16 | 2016-02-17 | 山东理工大学 | Ultrahigh molecular weight polyethylene/continuous fiber reinforced thermoplastic plastic composite board, and preparation method thereof |
| CN205446941U (en) * | 2016-03-31 | 2016-08-10 | 中国二十冶集团有限公司 | Anti converting pipe of light calandria rests head on combination |
| CN106220975A (en) * | 2016-07-21 | 2016-12-14 | 合肥市智源包装科技有限公司 | A kind of activeness and quietness type Plant fiber's polyethylene composite film material and preparation method thereof |
| CN106704728A (en) * | 2017-01-17 | 2017-05-24 | 宁夏钻通管道铺设服务有限公司 | Steel strip corrugated pipe |
| CN106750735A (en) * | 2016-11-23 | 2017-05-31 | 江苏金波新材料科技有限公司 | A kind of composite supramolecular weight polyethylene alloy tubing and its manufacture method |
| CN107747652A (en) * | 2017-09-27 | 2018-03-02 | 江苏晶王新材料科技有限公司 | A kind of anti-oxidant running water pipe and preparation method thereof |
| CN109401018A (en) * | 2018-11-05 | 2019-03-01 | 上海赢知信息科技有限公司 | A kind of high density polyethylene bellows and preparation method thereof |
| CN111171589A (en) * | 2019-12-24 | 2020-05-19 | 海南昆仑新材料科技股份有限公司 | Coconut branch and leaf fiber-based wood-plastic composite material and preparation method thereof |
| CN213598742U (en) * | 2020-11-07 | 2021-07-02 | 李永成 | Glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe |
-
2020
- 2020-11-07 CN CN202011234514.5A patent/CN112283462A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090022920A1 (en) * | 2005-06-30 | 2009-01-22 | Vladimir Stepanovich Vinarsky | Composite Article For Conveying And/Or Storage Of Liquid and Gaseous Media And A Process For Producing The Same |
| CN201118176Y (en) * | 2007-11-14 | 2008-09-17 | 杭州新世复合管道有限公司 | Organic glass fibre reinforced plastic cable protector |
| CN101353465A (en) * | 2008-08-18 | 2009-01-28 | 江苏常盛管业有限公司 | Formula of modified polychloroethylene pipes |
| CN101968142A (en) * | 2010-10-20 | 2011-02-09 | 江苏常盛管业有限公司 | Low-cost composite polyethylene pipe |
| CN102478130A (en) * | 2010-11-27 | 2012-05-30 | 泰州申视塑料有限公司 | High-pressure-bearing ultrahigh-molecular-weight polyethylene reinforced composite pipe structure |
| CN202034743U (en) * | 2011-04-22 | 2011-11-09 | 广东联塑科技实业有限公司 | Enhanced cable conduit |
| CN202708352U (en) * | 2012-08-01 | 2013-01-30 | 四川泓锦工贸有限责任公司 | PE160-rank fiber-reinforced polyethylene tube stock |
| CN104927264A (en) * | 2015-06-18 | 2015-09-23 | 湖北金马塑业有限公司 | Chlorinated polyvinyl chloride double-wall corrugated pipe |
| CN105328954A (en) * | 2015-10-16 | 2016-02-17 | 山东理工大学 | Ultrahigh molecular weight polyethylene/continuous fiber reinforced thermoplastic plastic composite board, and preparation method thereof |
| CN205446941U (en) * | 2016-03-31 | 2016-08-10 | 中国二十冶集团有限公司 | Anti converting pipe of light calandria rests head on combination |
| CN106220975A (en) * | 2016-07-21 | 2016-12-14 | 合肥市智源包装科技有限公司 | A kind of activeness and quietness type Plant fiber's polyethylene composite film material and preparation method thereof |
| CN106750735A (en) * | 2016-11-23 | 2017-05-31 | 江苏金波新材料科技有限公司 | A kind of composite supramolecular weight polyethylene alloy tubing and its manufacture method |
| CN106704728A (en) * | 2017-01-17 | 2017-05-24 | 宁夏钻通管道铺设服务有限公司 | Steel strip corrugated pipe |
| CN107747652A (en) * | 2017-09-27 | 2018-03-02 | 江苏晶王新材料科技有限公司 | A kind of anti-oxidant running water pipe and preparation method thereof |
| CN109401018A (en) * | 2018-11-05 | 2019-03-01 | 上海赢知信息科技有限公司 | A kind of high density polyethylene bellows and preparation method thereof |
| CN111171589A (en) * | 2019-12-24 | 2020-05-19 | 海南昆仑新材料科技股份有限公司 | Coconut branch and leaf fiber-based wood-plastic composite material and preparation method thereof |
| CN213598742U (en) * | 2020-11-07 | 2021-07-02 | 李永成 | Glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213598742U (en) | Glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe | |
| CN102816367B (en) | Preparation method of HDPE injection molding inspection well | |
| CN101851363B (en) | Regeneration method of waste polyethylene | |
| CN103396673B (en) | A kind of rubber powder epoxy resin asphalt material and preparation method thereof and using method | |
| CN101125941B (en) | Polyethylene pipe for non-excavation traction method construction | |
| CN104448748A (en) | High-strength corrosion-resistant plastic pipe | |
| CN206268618U (en) | Pipeline support frame used in comprehensive pipe gallery and external member thereof | |
| CN102382392A (en) | PVC plastic pipe and its preparation method | |
| CN207700222U (en) | A kind of municipal underground pipeline lane | |
| CN112283462A (en) | Glass fiber reinforced plastic fiber reinforced composite high-density polyethylene pipe and processing technology | |
| CN204083536U (en) | A kind of large-diameter steel-plastic composite pipe | |
| CN203716186U (en) | Inspection well | |
| CN2799670Y (en) | Prefabricated glass fiber reinforced plastic inspection well | |
| CN201681683U (en) | Glass fiber reinforced plastic optical cable protection sleeve | |
| CN211344279U (en) | Continuous glass fiber tape polyethylene composite pipe | |
| CN101451637A (en) | Steel plastic composite structure wall tube | |
| CN201354895Y (en) | Plastics double-wall wounded corrugated pipe | |
| CN112696535A (en) | Prefabricated heat-preservation continuous glass fiber prepreg tape reinforced pipe | |
| CN105837894A (en) | Low-temperature-resistant corrosion-resistant polyethylene pipe | |
| CN104877212A (en) | HDPE flame retardant material for mining and preparation method thereof | |
| CN201487411U (en) | Carbon fiber composite pipe fitting for repairing underground pipeline | |
| CN201326837Y (en) | Pipe with steel-plastic composite structural wall | |
| CN205824387U (en) | A kind of cross-linked polyolefin high-temperature resistant composite thermal insulating tube | |
| CN210800364U (en) | High-density polyethylene (HDPE) pipe fitting for water supply | |
| CN206682510U (en) | A kind of anti-corrosion energy-saving hot water pipeline of district heat supply network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |