CN109578709A - A kind of heat resisting and pressure resisting pipeline - Google Patents
A kind of heat resisting and pressure resisting pipeline Download PDFInfo
- Publication number
- CN109578709A CN109578709A CN201811469515.0A CN201811469515A CN109578709A CN 109578709 A CN109578709 A CN 109578709A CN 201811469515 A CN201811469515 A CN 201811469515A CN 109578709 A CN109578709 A CN 109578709A
- Authority
- CN
- China
- Prior art keywords
- resisting
- pressure
- layer
- core pipe
- heat resisting
- 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
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
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/02—Polythioethers; Polythioether-ethers
-
- 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
- F16L58/1054—Coatings characterised by the materials used by rubber or plastics the coating being placed outside the pipe
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of heat resisting and pressure resisting pipeline, the heat resisting and pressure resisting pipeline includes core pipe, buffer layer and outer protective jacket；Between the core pipe and the outer protective jacket, the buffer layer is formed the buffer layer by tightening layer and buffer unit, and the layer of tightening is wrapped on the outer surface of the core pipe, and the buffer unit is filled in described tighten between layer and the outer protective jacket.The invention has the benefit that the outer protective jacket of heat resisting and pressure resisting pipeline of the present invention has good corrosion resistance, and it is provided with buffer layer in the heat resisting and pressure resisting pipeline and can effectively stop extraneous pressure, and the inner tube of the heat resisting and pressure resisting pipeline has light weight, heatproof, pressure resistance, corrosion resistant performance, heat resisting and pressure resisting pipeline i.e. of the present invention has the good performance for resisting ambient pressure, and its inner tube has good corrosion-resistant, heat resistance.
Description
Technical field
The present invention relates to pipeline manufacture technology fields, and in particular to a kind of heat resisting and pressure resisting pipeline.
Background technique
Pipeline is connected into pipe, pipe connection and valve etc. for conveying gas, liquid or with solid particle
Fluid device, pipeline is widely applied and conglomerate because of its own unique feature, multi-field.People have been in the modern life
Be unable to do without with the closely bound up various tubing of living, such as most direct tap water series specification pipeline, be lauched series specification pipeline,
The various specifications pipeline of heat supply heating series specification pipeline, coal gas series of ducts and industrial requirement.And with gas temperature
It is higher and higher, after pressure increase, serious challenge is proposed to the safety of high-temperature and pressure pipeline, at the same time, pipeline exists
Guarantee also to guarantee lesser heat dissipation capacity while safety, to prevent more heat loss.In order to meet above-mentioned two o'clock requirement,
Current utilidor generally uses the alloy material of heat-resistant pressure-resistant, and thick insulating layer is surrounded by pipeline, and resistance to
The alloy material of hot pressure resistance is very expensive, considerably increases the cost of investment of system, therefore a kind of reasonable price, preparation are simply
Heat resisting and pressure resisting pipeline becomes the demand in market.
Summary of the invention
In order to solve the above problems existing in the present technology, the present invention provides a kind of heat resisting and pressure resisting pipelines.
A kind of heat resisting and pressure resisting pipeline, including core pipe, buffer layer and outer protective jacket；The buffer layer is located at the core pipe and institute
It states between outer protective jacket, the buffer layer is formed by tightening layer and buffer unit, and the layer of tightening is wrapped in the outer of the core pipe
On surface, the buffer unit is filled in described tighten between layer and the outer protective jacket.
Further, the buffer unit is several axial settings and to be uniformly distributed section in a circumferential direction rounded
Rubber column；The height of the rubber column is 0.5-2cm, and the diameter of the rubber column is 3-5cm.
Further, one end of the rubber column and the outer surface for tightening layer are bonding, the rubber column it is another
It holds bonding with the inner surface of outer protective jacket.
Further, the layer of tightening is made of mica material；The outer protective jacket is made of polytetrafluoroethylene material.
The core pipe is made of the raw material of following weight parts: 40-60 parts of polyphenylene sulfide, 5-8 parts of carbon fiber, organosilicon epoxy
10-20 parts of resin, -3 parts of silica 1,5-10 parts of glass microballoon, 5-8 parts of coupling agent, 1-3 parts of plasticiser, stabilizer 0.1-
0.5 part.
Further, the coupling agent is silane coupling agent.
Further, the plasticiser be repefral, epoxidized soybean oil or chlorinated paraffin one kind or its
Mixture.
Repefral is colorless and transparent yellowish oily liquids, slightly fragranced, can be with ethyl alcohol, ether etc. one
As immiscible organic solvent, be that a kind of pair of various kinds of resin has very strong solvent plasticizer, can be with multi cellulose resin, rubber
Glue, vinylite mix, and have good film forming, adherence and waterproofness.
Epoxidized soybean oil be with soybean oil after oxidation processes a kind of chemical products obtained, be light yellow viscous under room temperature
Thick oily liquids is a kind of using extensive nontoxic polyvinyl chloride plasticizer and stabilizer, has excellent thermal stability and light
Stability water resistance and oil resistivity are preferable, can assign the good mechanical strength of product, weatherability and electrical property and nontoxic, be states
The chemical industry auxiliary agent that border is approved.
Chlorinated paraffin is the chlorinated derivatives of paraffin hydrocarbon, and with low volatility, fire-retardant, electrical insulating property is good, cheap
The advantages that, it can be used as fire retardant and polyvinyl chloride extender plasticizer, there is wear-resistant, anti-corrosion and waterproof performance.
Further, the stabilizer is calcium zinc stabilizer or calcium stearate.
It is that main component is synthesized using special process that calcium zinc stabilizer, which is by calcium salt, zinc salt, lubricant, antioxidant etc.,.
Can not only replace the toxic stabilizer such as lead cadmium salt class and organic tin, and have fairly good thermal stability, photostability,
The transparency and tinting strength, tinting power.In addition, calcium zinc stabilizer with excellent electrical insulating property, free from admixture, have efficient weatherability.
Calcium stearate is white powder, it has both the property of stearic acid and calcium salt, and thermostabilization can be used as inside plastics
Agent has lubricity.
The preparation method of the core pipe, comprising the following steps:
(1) remaining raw material of silica and glass microballoon will be removed, high temperature is mixed evenly；Obtain mixture；
(2) silica, glass microballoon and mixture are added in double screw extruder, melt and squeezes through double screw extruder
Out, the core pipe is obtained.
Further, in step (1), the temperature of mixing is 200-250 DEG C, and the speed of mixing is 120-
200r/min, mixing time 30-50min.
Further, in step (2), the engine speed of double screw extruder is 500-600r/min, and extrusion temperature is
240-300℃。
Polyphenylene sulfide is a kind of novel high-performance thermoplastic resin, has high mechanical strength, high temperature resistant, chemical-resistant resistance
Property, the advantages that fire retardant, thermal stability is good, excellent electrical properties, are widely used as structural macromolecule material by 285-300 DEG C of fusing point
Material by filling, modified is widely used as special engineering plastics.Its performance outstanding is good heat resistance, thermal deformation temperature
Generally higher than 260 DEG C of degree, it 180-220 DEG C of temperature range can use again, be one of the kind that heat resistance is best in engineering plastics, it is resistance to
Corrosivity is close to tetrafluoroethene, and preferable chemical corrosion resistance material.
Carbon fiber is high intensity, the new fiber materials of high modulus fibre of a kind of phosphorus content 95% or more, carbon fiber
With soft outside but hard inside characteristic, quality is lighter than metallic aluminium, but intensity lacks and is higher than steel, and has corrosion resistance, high-modulus characteristic,
Not only with the intrinsic intrinsic propesties of carbon material, and type can be processed in the softness for having both textile fabric, is generation reinforcing fiber.Carbon fiber
Dimension has become the most important reinforcing material of advanced composite material, since carbon fibre composite has light and strong, light and rigid, resistance to height
Warm, corrosion-resistant, endurance, structure size stability are good, design is good, are widely answered in aerospace and civilian industry
With.
Epoxy modified silicone resin has both the advantages of epoxy resin and organic siliconresin, with excellent heat resistance and prevents
Rotten performance, and oil resistant, it is moisture-proof, insulation, adhesive force it is strong, low-temperature curable.
Silica is solid-state under room temperature, and it is one that the silica used in the plastic is white carbon black in plastic industry
The bigger substance of specific surface area of the kind Jing Guo specially treated, can be used as packing material in the plastic, the bullet of plastics can be improved
The thermal stability of property intensity and wearability and hardness.
Glass microballoon is a kind of new material that one kind developed in recent years is widely used, performance is special.The product
Be process by borosilicate raw material through high-tech, granularity be 10-250 micron, the product with it is light, low it is thermally conductive, intensity is high,
The advantages that good chemical stability.There is excellent rheology processability with the plastics that glass microballoon is filled, shrink uniformly, mention
The shock resistance and wearability of plastic product can be improved in the impact resistance of high plastics.
Silane coupling agent is mainly used for fiberglass reinforced plastics, and the siloxy that silane coupling agent is included is to inorganic matter
There is reactivity and compatibility to organic matter with reactivity, organic functional base, when silane coupling agent is between the organic and inorganic world
Between face, organic body-silane coupling agent-inorganic matrix binder course can be formed.In addition, silane coupling agent can also improve technique
The performances such as performance and the machinery, electricity and the weatherability that improve filled plastics.
Plasticiser is the high molecular material auxiliary agent being industrially widely used, and this substance is added in plastic processing, can
So that its flexibility enhances, it is easily worked, increases the toughness, elasticity and wearability of plastics.
Stabilizer can increase the stability of solution, colloid, solid, mixture, be primarily referred to as keeping high polymer plastics, rubber
Glue, synthetic fibers are stablized, and prevent it from decomposing, the reagent of aging.It is able to suppress or prevents resin from degrading, and extends the use of product
Service life；The destruction of ultraviolet light or shielding ultraviolet rays to plastic products can be absorbed, also there is certain antioxidation, can prevent
Plastic products degradation discoloration.
The invention has the benefit that the outer protective jacket tool of heat resisting and pressure resisting pipeline of the present invention has good corrosion resistance
Can, and be provided in the heat resisting and pressure resisting pipeline buffer layer and can effectively stop extraneous pressure, and the heat resisting and pressure resisting pipe
The inner tube in road has light weight, heatproof, pressure resistance, corrosion resistant performance, i.e., heat resisting and pressure resisting pipeline of the present invention has good
The performance of ambient pressure is resisted, and its inner tube has good corrosion-resistant, heat resistance.
Specific embodiment
Embodiment one
A kind of heat resisting and pressure resisting pipeline, including core pipe, buffer layer and outer protective jacket；The buffer layer is located at the core pipe and institute
It states between outer protective jacket, the buffer layer is formed by tightening layer and buffer unit, and the layer of tightening is wrapped in the outer of the core pipe
On surface, embodiment as one preferred, the layer of tightening is made of mica material, and the buffer unit is filled in described
It tightens between layer and the outer protective jacket；Embodiment as one preferred, the buffer unit are several axial settings
And it is uniformly distributed the rounded rubber column in section in a circumferential direction；One end of the rubber column and the outer surface for tightening layer
Bonding, the other end of the rubber column and the inner surface of outer protective jacket are bonding；The height of the rubber column can be 0.5cm,
The diameter of the rubber column can be 3cm；The outer protective jacket is made of polytetrafluoroethylene material.
The core pipe is made of the raw material of following weight parts: polyphenylene sulfide 40kg, carbon fiber 5kg, organosilicon epoxy resin
10kg, silica 1 kg, glass microballoon 5kg, coupling agent 5kg, plasticiser 1kg, stabilizer 0.1kg.
The preparation method of the core pipe, comprising the following steps:
(1) remaining raw material of silica and glass microballoon will be removed, high temperature is mixed evenly；Obtain mixture；
(2) silica, glass microballoon and mixture are added in double screw extruder, melt and squeezes through double screw extruder
Out, the core pipe is obtained.
The performance comparison research of heat resisting and pressure resisting pipeline described in embodiment one and the heat resisting and pressure resisting pipeline sold on the market: result
It is as shown in table 1:
Table 1
| Impact strength | Heat distortion temperature | Cold deformation temperature | |
| Embodiment one | 158kJ/m2 | 225℃ | -53℃ |
| Comparative example | 56kJ/m2 | 98℃ | -40℃ |
Heat resisting and pressure resisting pipeline of the present invention can be resistant to the temperature of 225 DEG C He -53 DEG C, shock resistance as can be seen from Table 1
Ability reaches 158kJ/m2There is very high mechanical strength, pressure resistance, heat resistance.
Embodiment two
A kind of heat resisting and pressure resisting pipeline, including core pipe, buffer layer and outer protective jacket；The buffer layer is located at the core pipe and institute
It states between outer protective jacket, the buffer layer is formed by tightening layer and buffer unit, and the layer of tightening is wrapped in the outer of the core pipe
On surface, embodiment as one preferred, the layer of tightening is made of mica material, and the buffer unit is filled in described
It tightens between layer and the outer protective jacket；Embodiment as one preferred, the buffer unit are several axial settings
And it is uniformly distributed the rounded rubber column in section in a circumferential direction；One end of the rubber column and the outer surface for tightening layer
Bonding, the other end of the rubber column and the inner surface of outer protective jacket are bonding；The height of the rubber column can be 0.8cm,
The diameter of the rubber column can be 4cm；The outer protective jacket is made of polytetrafluoroethylene material.
The core pipe is made of the raw material of following weight parts: polyphenylene sulfide 42kg, carbon fiber 6kg, organosilicon epoxy resin
12kg, silica 2kg, glass microballoon 6kg, silane coupling agent 6kg, repefral 1kg, calcium zinc stabilizer
0.2kg。
The preparation method of the core pipe, comprising the following steps:
(1) remaining raw material that silica and glass microballoon will be removed, with 130r/min under conditions of temperature is 210 DEG C
Mixing speed high temperature be mixed 35min, be mixed evenly；Obtain mixture；
(2) silica, glass microballoon and mixture are added in double screw extruder, the revolving speed control of double screw extruder
System is in 520r/min, and through double screw extruder melting extrusion, extrusion temperature is 250 DEG C, obtains the core pipe.
The performance comparison research of heat resisting and pressure resisting pipeline described in embodiment two and the heat resisting and pressure resisting pipeline sold on the market: result
It is as shown in table 2:
Table 2
| Impact strength | Heat distortion temperature | Cold deformation temperature | |
| Embodiment two | 156kJ/m2 | 220℃ | -60℃ |
| Comparative example | 56kJ/m2 | 98℃ | -40℃ |
Heat resisting and pressure resisting pipeline of the present invention can be resistant to the temperature of 220 DEG C He -60 DEG C, shock resistance as can be seen from Table 2
Ability reaches 156kJ/m2There is very high mechanical strength, pressure resistance, heat resistance.
Embodiment three
A kind of heat resisting and pressure resisting pipeline, a kind of heat resisting and pressure resisting pipeline, including core pipe, buffer layer and outer protective jacket；The buffering
Between the core pipe and the outer protective jacket, the buffer layer is formed layer by tightening layer and buffer unit, described to tighten layer
It is wrapped on the outer surface of the core pipe, embodiment as one preferred, the layer of tightening is made of mica material, described
Buffer unit is filled in described tighten between layer and the outer protective jacket；Embodiment as one preferred, the buffering dress
It is set to several axial settings and is uniformly distributed the rounded rubber column in section in a circumferential direction；One end of the rubber column with
The outer surface for tightening layer is bonding, and the other end of the rubber column and the inner surface of outer protective jacket are bonding；The rubber
The height of column can be 1cm, and the diameter of the rubber column can be 4cm；The outer protective jacket is made of polytetrafluoroethylene material.
The core pipe is made of the raw material of following weight parts: polyphenylene sulfide 50kg, carbon fiber 6kg, organosilicon epoxy resin
The quality such as 15kg, silica 2kg, glass microballoon 8kg, silane coupling agent 6kg, repefral and epoxidized soybean oil
Mixing plasticiser 2kg, the calcium zinc stabilizer 0.3kg of score.
The preparation method of the core pipe, comprising the following steps:
(1) remaining raw material that silica and glass microballoon will be removed, with 1150r/ under conditions of temperature is 220 DEG C
40min is mixed in the mixing speed high temperature of min, is mixed evenly；Obtain mixture；
(2) silica, glass microballoon and mixture are added in double screw extruder, the revolving speed control of double screw extruder
System is in 550r/min, and through double screw extruder melting extrusion, extrusion temperature is 260 DEG C, obtains the core pipe.
The performance comparison research of heat resisting and pressure resisting pipeline described in embodiment three and the heat resisting and pressure resisting pipeline sold on the market: result
It is as shown in table 3:
Table 3
| Impact strength | Heat distortion temperature | Cold deformation temperature | |
| Embodiment three | 162kJ/m2 | 216℃ | -61℃ |
| Comparative example | 56kJ/m2 | 98℃ | -40℃ |
Heat resisting and pressure resisting pipeline of the present invention can be resistant to the temperature of 216 DEG C He -61 DEG C, shock resistance as can be seen from Table 3
Ability reaches 162kJ/m2There is very high mechanical strength, pressure resistance, heat resistance.
Example IV
A kind of heat resisting and pressure resisting pipeline, including core pipe, buffer layer and outer protective jacket；The buffer layer is located at the core pipe and institute
It states between outer protective jacket, the buffer layer is formed by tightening layer and buffer unit, and the layer of tightening is wrapped in the outer of the core pipe
On surface, embodiment as one preferred, the layer of tightening is made of mica material, and the buffer unit is filled in described
It tightens between layer and the outer protective jacket；Embodiment as one preferred, the buffer unit are several axial settings
And it is uniformly distributed the rounded rubber column in section in a circumferential direction；One end of the rubber column and the outer surface for tightening layer
Bonding, the other end of the rubber column and the inner surface of outer protective jacket are bonding；The height of the rubber column can be 2cm, institute
The diameter for stating rubber column can be 5cm；The outer protective jacket is made of polytetrafluoroethylene material.
The core pipe is made of the raw material of following weight parts: polyphenylene sulfide 60kg, carbon fiber 8kg, organosilicon epoxy resin
20kg, silica 3kg, glass microballoon 10kg, silane coupling agent 8kg, repefral, epoxidized soybean oil and chlorination
Mixing plasticiser 3kg, the calcium stearate 0.5kg of the mass fractions such as paraffin.
The preparation method of the core pipe, comprising the following steps:
(1) remaining raw material that silica and glass microballoon will be removed, with 200r/min under conditions of temperature is 250 DEG C
Mixing speed high temperature be mixed 50min, be mixed evenly；Obtain mixture；
(2) silica, glass microballoon and mixture are added in double screw extruder, the revolving speed control of double screw extruder
System is in 600r/min, and through double screw extruder melting extrusion, extrusion temperature is 300 DEG C, obtains the core pipe.
The performance comparison research of heat resisting and pressure resisting pipeline described in example IV and the heat resisting and pressure resisting pipeline sold on the market: result
It is as shown in table 4:
Table 4
| Impact strength | Heat distortion temperature | Cold deformation temperature | |
| Example IV | 159kJ/m2 | 217℃ | -62℃ |
| Comparative example | 56kJ/m2 | 98℃ | -40℃ |
Heat resisting and pressure resisting pipeline of the present invention can be resistant to the temperature of 217 DEG C He -62 DEG C, shock resistance as can be seen from Table 4
Ability reaches 159kJ/m2There is very high mechanical strength, pressure resistance, heat resistance.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its details, it is all that there is technical solution identical or similar to the present application,
It is within the scope of the present invention.
Claims (9)
1. a kind of heat resisting and pressure resisting pipeline, which is characterized in that including core pipe, buffer layer and outer protective jacket；The buffer layer is located at institute
It states between core pipe and the outer protective jacket, the buffer layer is formed by tightening layer and buffer unit, and the layer of tightening is wrapped in institute
It states on the outer surface of core pipe, the buffer unit is filled in described tighten between layer and the outer protective jacket.
2. heat resisting and pressure resisting pipeline according to claim 1, which is characterized in that the buffer unit be several axial settings and
It is uniformly distributed the rounded rubber column in section in a circumferential direction；The height of the rubber column is 0.5-2cm, the rubber column
Diameter is 3-5cm.
3. heat resisting and pressure resisting pipeline according to claim 2, which is characterized in that one end of the rubber column and the layer of tightening
Outer surface is bonding, and the other end of the rubber column and the inner surface of outer protective jacket are bonding.
4. heat resisting and pressure resisting pipeline according to claim 1, which is characterized in that the layer of tightening is made of mica material；It is described
Outer protective jacket is made of polytetrafluoroethylene material.
5. heat resisting and pressure resisting pipeline according to claim 1, which is characterized in that the core pipe by following weight parts raw material system
At: 40-60 parts of polyphenylene sulfide, 5-8 parts of carbon fiber, 10-20 parts of organosilicon epoxy resin, -3 parts of silica 1, glass microballoon 5-
10 parts, 5-8 parts of coupling agent, 1-3 parts of plasticiser, 0.1-0.5 parts of stabilizer.
6. heat resisting and pressure resisting pipeline according to claim 5, it is characterised in that: the coupling agent is silane coupling agent；The modeling
Agent is or mixtures thereof repefral, epoxidized soybean oil or one kind of chlorinated paraffin；The stabilizer is calcium zinc
Stabilizer or calcium stearate.
7. heat resisting and pressure resisting pipeline according to claim 5, which is characterized in that the preparation method of the core pipe, including following step
It is rapid:
(1) remaining raw material of silica and glass microballoon will be removed, high temperature is mixed evenly；Obtain mixture；
(2) silica, glass microballoon and mixture are added in double screw extruder, through double screw extruder melting extrusion,
Obtain the core pipe.
8. heat resisting and pressure resisting pipeline according to claim 7, which is characterized in that in step (1), the temperature of mixing is 200-
250 DEG C, the speed of mixing is 120-200r/min, mixing time 30-50min.
9. heat resisting and pressure resisting pipeline according to claim 7, which is characterized in that in step (2), the host of double screw extruder turns
Speed is 500-600r/min, and extrusion temperature is 240-300 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811469515.0A CN109578709A (en) | 2018-11-28 | 2018-11-28 | A kind of heat resisting and pressure resisting pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811469515.0A CN109578709A (en) | 2018-11-28 | 2018-11-28 | A kind of heat resisting and pressure resisting pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109578709A true CN109578709A (en) | 2019-04-05 |
Family
ID=65927185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811469515.0A Pending CN109578709A (en) | 2018-11-28 | 2018-11-28 | A kind of heat resisting and pressure resisting pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578709A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996926A (en) * | 2011-09-15 | 2013-03-27 | 无锡市永兴金属软管有限公司 | Thermal insulation hose |
| CN104650586A (en) * | 2015-02-13 | 2015-05-27 | 扬州市维纳复合材料科技有限公司 | Epoxy resin modified polyphenylene sulfide composite material and preparation method thereof |
| CN204668032U (en) * | 2015-06-04 | 2015-09-23 | 安吉鸿泰绝缘材料有限公司 | A kind of high-cooling property silica gel cross waves fiber sleeve |
| CN205751612U (en) * | 2016-04-18 | 2016-11-30 | 湖州凯博电子线缆有限公司 | Durable type cable |
| CN107795763A (en) * | 2016-08-30 | 2018-03-13 | 安徽万安环境科技股份有限公司 | A kind of PPR feedwater pipings with resistance to compression frost resistance |
-
2018
- 2018-11-28 CN CN201811469515.0A patent/CN109578709A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996926A (en) * | 2011-09-15 | 2013-03-27 | 无锡市永兴金属软管有限公司 | Thermal insulation hose |
| CN104650586A (en) * | 2015-02-13 | 2015-05-27 | 扬州市维纳复合材料科技有限公司 | Epoxy resin modified polyphenylene sulfide composite material and preparation method thereof |
| CN204668032U (en) * | 2015-06-04 | 2015-09-23 | 安吉鸿泰绝缘材料有限公司 | A kind of high-cooling property silica gel cross waves fiber sleeve |
| CN205751612U (en) * | 2016-04-18 | 2016-11-30 | 湖州凯博电子线缆有限公司 | Durable type cable |
| CN107795763A (en) * | 2016-08-30 | 2018-03-13 | 安徽万安环境科技股份有限公司 | A kind of PPR feedwater pipings with resistance to compression frost resistance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103073816B (en) | Heat-resisting and cold-resisting environment-friendly PVC (polyvinyl chloride) modified material and preparation method thereof | |
| CN106317713B (en) | A kind of Wear-resistant, high-temperature resistant tear-proof fluorubber and preparation method thereof | |
| CN103059469A (en) | High temperature resistant environment-friendly polyvinyl chloride (PVC) modified material and preparing method thereof | |
| CN103554863A (en) | LED lampshade material polycarbonate resin composition and preparation method thereof | |
| CN105440641A (en) | PC (polycarbonate) insulation release film | |
| CN106243465B (en) | A kind of high-intensitive, fire-retardant, anti-static polyolefin pipeline and preparation method thereof | |
| CN105985552A (en) | Lanthanum-oxide-modified rubber cable material | |
| CN109054220B (en) | Preparation method of environment-friendly weather-resistant high-light-transmission PVC (polyvinyl chloride) pipeline | |
| CN109578709A (en) | A kind of heat resisting and pressure resisting pipeline | |
| CN1181130C (en) | High-performance chlorinated polyvinyl chloride plastic | |
| CN107778737A (en) | PVC C powers cable sleeve and its production method | |
| CN102134356B (en) | A kind of steam naked sulfuration chlorinated polythylene rubber pipe preparation raw material | |
| CN104194170B (en) | The low smell electric wire and cable jacket of a kind of CPE/PVC component-type sizing material and preparation method thereof | |
| CN101157789B (en) | Non-bittern flame-proof elastomer composite material and method for making same | |
| CN105367860A (en) | Insulating material for power cable and preparation method of insulating material | |
| CN106800749A (en) | Fiberglass reinforced PET material | |
| CN101397405A (en) | Method for manufacturing high toughness polyphenyl thioether composite pellets | |
| CN107353598A (en) | Glass epoxy molding plastic and preparation method thereof | |
| CN107629353A (en) | A kind of PVC electric wire bellows and preparation method thereof | |
| CN108148372A (en) | Weatherability makrolon material | |
| CN104369482B (en) | A kind of sheet rubber for biochemical equipment | |
| CN106750838A (en) | The filling-modified polythene material of hollow glass micropearl | |
| CN105504583A (en) | Anti-termite PVC (Polyvinyl Chloride) modified material and preparation method thereof | |
| CN102295810A (en) | Production process for buried PVC-C (Chlorinated Poly Vinyl Chloride) cable sheath tube | |
| CN107177092A (en) | A kind of high-performance flexible nuclear power high elongation rate cable jacket material |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |