CN106321992A - Novel composite heat preservation pipeline and manufacturing method thereof - Google Patents
Novel composite heat preservation pipeline and manufacturing method thereof Download PDFInfo
- Publication number
- CN106321992A CN106321992A CN201610021411.8A CN201610021411A CN106321992A CN 106321992 A CN106321992 A CN 106321992A CN 201610021411 A CN201610021411 A CN 201610021411A CN 106321992 A CN106321992 A CN 106321992A
- Authority
- CN
- China
- Prior art keywords
- pipe
- heat preservation
- composite
- layer
- tube road
- 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
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
-
- 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
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a novel composite heat preservation pipeline and a manufacturing method thereof and belongs to the technical field of petroleum and petrochemical or city heat supply construction pipelines. The novel composite heat preservation pipeline comprises a conveying pipe, an anti-corrosion layer, a composite heat preservation layer and an outer protective pipe from inside to outside. Reserved welding sections are arranged at the two ends of the conveying pipe correspondingly. The conveying pipe is a steel pipe. The composite heat preservation layer is of a composite structure composed of an inorganic foam material and three-dimensional space fabric. The outer protective pipe is a high-density polyethylene outer protective pipe or a glass fiber reinforced plastics outer protective pipe. The reserved welding sections are arranged on the two sides of the steel pipe correspondingly. The novel composite heat preservation pipeline and the manufacturing method thereof have the beneficial effects that the three-dimensional space fabric reinforced inorganic foam material serves as the heat preservation layer, the impact resistance and the anti-deformation capability of the heat preservation pipeline are greatly improved, and the service life of the heat preservation pipeline is prolonged; the main material of the heat preservation layer is the inorganic foam material, so that the corrosion resistance and the heat resistance are high, and the durability is good; and meanwhile, the inorganic foam material has an excellent fireproof performance, and the requirements for the fireproof performance of pipeline materials in China are met.
Description
Technical field
This patent relates to a kind of composite insulated tube road, belongs to petroleum and petrochemical industry or urban heating construction pipe technology field.
Background technology
Along with along with Oil/Gas Pipe and the fast development of urban heating pipe-line construction, the requirement to utilidor is more and more higher.Tradition
Utilidor be mainly polyurethane foam plastics utilidor, i.e. using polyurethane foam as heat-insulation layer.But this kind of insulating tube
Road also exists several obvious shortcoming.Polyurethane foam intensity is low, and bending resistance and impact resistance are poor, in life-time service mistake
Cheng Zhong, polyurethane foam is easily deformed again self, have impact on the service life of utilidor.And, polyurethane foam is one
Plant organic foam, corrosion-resistant the highest with endurance quality.Meanwhile, along with the civilian and industrial raising that fire resistance is required, poly-
The poor inferior position of urethane foamed materials fire resistance increasingly displays, and substituting therewith is superior inorganic foamed of fire resistance
Material.
Summary of the invention
In order to overcome the deficiencies in the prior art, this patent provides a kind of composite insulated tube road, strengthens with three-dimensional spacer fabric
Inorganic foamed composite construction, as heat-insulation layer, substantially increases resistance to impact and the non-deformability of utilidor, improves guarantor
The service life of temperature pipeline.Froth inorganic stock has the strongest corrosion resistance, it is possible to ensure that pipeline is the longest
Use for a long time；Heat-resisting ability is strong, it is possible to meet the demand of high temperature defeated heat utilidor.Meanwhile, froth inorganic stock has again
There is superior fire resistance, using it as heat-insulation layer, substantially increase the fire resistance of utilidor, can be by utilidor
It is applied to the occasion that fire protection requirement is high.
Technical scheme
One composite insulated tube road of the present invention and manufacture method thereof are achieved through the following technical solutions:
1 one kinds of composite insulated tube roads include carrying pipe, anticorrosive coat, composite heat-insulating layer, outer pillar from inside to outside.Conveying
The outside parcel anticorrosive coat of pipe, anticorrosive coat outside parcel composite heat-insulating layer, composite heat-insulating layer outside parcel overcoat.
Conveying pipe two ends have reserved welding section respectively.
Conveying pipe described in 2 is steel pipe, and anticorrosive coat is 3 layers of polyethylene anticorrosive coats, composite heat-insulating layer be three-dimensional spacer fabric with
The composite construction of froth inorganic stock, outer pillar is high-density polyethylene external protective pipe or glass fiber reinforced plastic external guard pipe.
Utilidor heat-insulation layer described in 3 be by three-dimensional spacer fabric with foaming inorganic coagulation material composite strengthening and obtain；Wherein
With three-dimensional spacer fabric as reinforcement, in three-dimensional spacer fabric, enrich foaming inorganic coagulation material.
Three-dimensional spacer fabric described in 4 is by upper and lower surface layer fiber and a hollow structure that paraphysis layer forms.
The surface layer fiber of three-dimensional spacer fabric described in 5 can be inorfil, such as glass fibre, and basalt fibre, carbon fiber etc.,
Can also be organic fiber, such as polyethylene, PET, nylon, aramid fiber, polyester resin fiber etc., or above two or several fibre
Dimension mixes braiding and forms；Between paraphysis layer be the one in polyester monofilament, polypropylene filament, nylon monofilament, polyethylene monofilament.
The surface layer of three-dimensional spacer fabric described in 6 is mesh-structured, and mesh form is equilateral triangle, rhombus, rectangle, just
One in hexagon, every square centimeter of mesh number is between 0.4～7.5.
Foaming inorganic coagulation material described in 7 is portland cement, alumina cement, sulphate aluminium cement, magnesia inorganic gel
In material, calcium sulfate inorganic coagulation material or alkalis excited inorganic gel material, or above-mentioned Binder Materials, two or more answers
Close.
Composite insulated tube road described in 8, steel pipe length 6-15m, pipe external diameter 50-1800mm, wall thickness 3-40mm, in advance
Staying each long 120-210mm in welding section two ends, 3 layers of polyethylene anticorrosive coat thickness are 1.8-6.0mm, and space fabric strengthens inorganic foamed
Heat-insulation layer 30-300mm.
The advantage that the present invention contrasts conventional art: using the three-dimensional spacer fabric inorganic foamed composite construction of enhancing as heat-insulation layer, greatly
Improve greatly resistance to impact and the non-deformability of utilidor, improve the service life of utilidor.Froth inorganic stock
There is the strongest corrosion resistance, it is possible to ensure that pipeline uses the most for a long time；Heat-resisting ability is strong, it is possible to meet
The demand of high temperature defeated heat utilidor.Meanwhile, froth inorganic stock has again superior fire resistance, using it as insulation
Layer, substantially increases the fire resistance of utilidor, utilidor can be applied to the occasion that fire protection requirement is high.
Accompanying drawing explanation
In order to make present disclosure be more likely to be clearly understood, this patent being made further accompanying drawing explanation below, Fig. 1 is this
The structural representation in a kind of composite insulated tube road described in patent.
Including conveying pipe 1, anticorrosive coat 2, heat-insulation layer 3, outer jacket 4 and reserved welding section 5；Heat-insulation layer 3 is by three
Dimension space fabric 31 and inorganic foamed cement material 32 form.
Detailed description of the invention
Some specific embodiments of the present invention are given below, but described specific embodiment is not intended to the claims in the present invention.
Embodiment 1
As it is shown in figure 1, a kind of composite insulated tube road, including conveying pipe 1, anticorrosive coat 2, heat-insulation layer 3, outer jacket 4
And reserved welding section 5；
Wherein, conveying pipe 1 is steel pipe, and anticorrosive coat 2 is 3 layers of polyethylene anticorrosive coats, and heat-insulation layer 3 is three-dimensional spacer fabric 31
With the compound insulation structure of foaming inorganic coagulation material 32 composition, Binder Materials used is portland cement, supplementary cementitious material
For flyash；Outer jacket 4 is high density polyethylene (HDPE), and the reserved welding section 5 at steel pipe two ends.
The a length of 12m of steel pipe 1, pipe external diameter is 350mm, wall thickness 8mm, and the length at the two ends of reserved welding section 5 is all 180mm,
The thickness of anticorrosive coat 2 is 3.6mm, and it is 80mm that three-dimensional spacer fabric strengthens the thickness of portland cement expanded material.
A kind of composite insulated tube road manufacture process is as follows:
The first step: make polyethylene outer protective pipe.
Second step: by the outer surface derusting by sandblasting of steel pipe 1, at the outer surface anticorrosive coat 2 of steel pipe 1.
3rd step: be wound around in anticorrosive coat 2 outside and fix three-dimensional spacer fabric 31, then by high-density polyethylene external protective pipe
4 are enclosed within three-dimensional spacer fabric 31, and reserve reserved welding section 5；
4th step: pour into a mould nothing in the annular space of steel pipe 1 and high-density polyethylene external protective pipe 4 and three-dimensional spacer fabric formation
Machine foamed cement material, makes inorganic foamed cement material enrich three-dimensional spacer fabric, forms heat-insulation layer 3.Expanded material solidification is supported
After having protected, through checking the qualified finished product thermal insulation pipe that becomes, tarpaulin can also be installed in two terminations of insulating tube as required.
Embodiment 2
As it is shown in figure 1, a kind of composite insulated tube road, including conveying pipe 1, anticorrosive coat 2, heat-insulation layer 3, outer jacket 4
And reserved welding section 5；
Wherein, conveying pipe 1 is steel pipe, and steel pipe is wrapped with anticorrosive coat 2, and heat-insulation layer 3 is three-dimensional spacer fabric 31 and foaming
The compound insulation structure of inorganic coagulation material 32 composition, Binder Materials used be sulphate aluminium cement, auxiliary material be flyash,
Outer jacket 4 is fiberglass, and the reserved welding section 5 at steel pipe two ends.
The a length of 10m of steel pipe 1, pipe external diameter is 280mm, wall thickness 6.5mm, and the length at the two ends of reserved welding section 5 is all
150mm, the thickness of anticorrosive coat 2 is 3mm, and it is 60mm that three-dimensional spacer fabric strengthens the thickness of inorganic foamed material.
A kind of composite insulated tube road manufacture process is as follows:
The first step: make glass fiber reinforced plastic external guard pipe.
Second step: by the outer surface derusting by sandblasting of steel pipe 1, at the outer surface anticorrosive coat 2 of steel pipe 1.
3rd step: be wound around in anticorrosive coat 2 outside and fix three-dimensional spacer fabric 31, then glass fiber reinforced plastic external guard pipe 4 being enclosed within
In three-dimensional spacer fabric 31, and reserve reserved welding section 5；
4th step: pour into a mould inorganic foamed in the annular space of steel pipe 1 and glass fiber reinforced plastic external guard pipe 4 and three-dimensional spacer fabric formation
Binder Materials, makes inorganic foamed cement material enrich three-dimensional spacer fabric, forms heat-insulation layer 3.Expanded material curing conservation completes
After, through checking the qualified finished product thermal insulation pipe that becomes, tarpaulin can also be installed in two terminations of insulating tube as required.
Claims (8)
1. a composite insulated tube road and manufacture method thereof, it is characterised in that utilidor includes conveying pipe from inside to outside, prevents
Rotten layer, composite heat-insulating layer, outer pillar.The outside parcel anticorrosive coat of conveying pipe, anticorrosive coat outside parcel composite heat-insulating layer,
Composite heat-insulating layer outside parcel overcoat.Conveying pipe two ends have reserved welding section respectively.
2. according to a kind of composite insulated tube road described in right 1 and manufacture method thereof, it is characterised in that conveying pipe is steel pipe,
Anticorrosive coat is 3 layers of polyethylene anticorrosive coats, and composite heat-insulating layer is the composite construction of three-dimensional spacer fabric and froth inorganic stock, protects outward
Pipe is high-density polyethylene external protective pipe or glass fiber reinforced plastic external guard pipe.
3. according to a kind of composite insulated tube road described in right 2 and manufacture method thereof, it is characterised in that this composite heat-insulating layer is
By three-dimensional spacer fabric with foaming inorganic coagulation material composite strengthening and obtain；Wherein with three-dimensional spacer fabric as reinforcement, three
Foaming inorganic coagulation material is enriched in dimension space fabric.
4. according to a kind of composite insulated tube road described in right 3 and manufacture method thereof, it is characterised in that described three dimensional separation
Fabric is by upper and lower surface layer fiber and a hollow structure that paraphysis layer forms.
5. according to a kind of composite insulated tube road described in right 4 and manufacture method thereof, it is characterised in that described three dimensional separation
The surface layer fiber of fabric can be inorfil, such as glass fibre, basalt fibre, carbon fiber etc., it is also possible to be organic fiber, as
Polyethylene, PET, nylon, aramid fiber, polyester resin fiber etc., or above two or the braiding of several fiber hybrid form；Interval
Silk layer is the one in polyester monofilament, polypropylene filament, nylon monofilament, polyethylene monofilament.
6. according to a kind of composite insulated tube road described in claim 4 and manufacture method thereof, it is characterised in that described three-dimensional
The surface layer of space fabric is mesh-structured, and mesh form is the one in equilateral triangle, rhombus, rectangle, regular hexagon,
Every square centimeter of mesh number is between 0.4～7.5.
7. according to a kind of composite insulated tube road described in right 3 and manufacture method thereof, it is characterised in that described inorganic gel
Material be portland cement, alumina cement, sulphate aluminium cement, magnesia inorganic coagulation material, calcium sulfate inorganic coagulation material or
In alkalis excited inorganic gel material, or above-mentioned Binder Materials, two or more is compound.
A kind of composite insulated tube road the most according to claim 1 and manufacture method thereof, it is characterised in that steel pipe length
6-15m, pipe external diameter 50-1800mm, wall thickness 4-40mm, the reserved each long 120-210mm in welding section two ends, 3 layers of polyethylene anticorrosive coats
Thickness is 1.8-6.0mm, and it is 30-300mm that space fabric strengthens inorganic foamed insulation layer thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021411.8A CN106321992A (en) | 2016-01-13 | 2016-01-13 | Novel composite heat preservation pipeline and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021411.8A CN106321992A (en) | 2016-01-13 | 2016-01-13 | Novel composite heat preservation pipeline and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106321992A true CN106321992A (en) | 2017-01-11 |
Family
ID=57725153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610021411.8A Pending CN106321992A (en) | 2016-01-13 | 2016-01-13 | Novel composite heat preservation pipeline and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106321992A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106760345A (en) * | 2017-02-17 | 2017-05-31 | 苏州益普敦新材料科技有限公司 | A kind of construction material compound air core |
| CN106969213A (en) * | 2017-05-09 | 2017-07-21 | 天津工业大学 | A kind of high rigidity composite material conduit and its manufacture method |
| CN110030439A (en) * | 2019-05-27 | 2019-07-19 | 中裕软管科技股份有限公司 | A kind of novel heat insulation and preservation hose and its production method |
| CN111828770A (en) * | 2020-07-06 | 2020-10-27 | 刘静生 | Inner wall pre-repair pipeline for petroleum transportation |
| EP3767150A1 (en) * | 2019-07-18 | 2021-01-20 | ROCKWOOL International A/S | A system comprising a pipe and an insulating and protecting element and insulating and protecting element |
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| GB2461060A (en) * | 2008-06-18 | 2009-12-23 | Sewoon T & S Co Ltd | Fibreglass pipe-shaped insulator and its method of manufacture |
| CN101699120A (en) * | 2009-11-06 | 2010-04-28 | 周宝茂 | Microporous plastic-covered PPR copper liner reinforced composite pipe and preparation method thereof |
| CN101709810A (en) * | 2009-10-31 | 2010-05-19 | 大庆油田有限责任公司 | Low-temperature prefabricating process of anticorrosive heat insulating compound pipeline |
| CN103629446A (en) * | 2013-11-15 | 2014-03-12 | 中国石油天然气集团公司 | Low-lying corrosion-resisting alloying corrosion-resisting heat-preservation pipeline and processing technology thereof |
| CN103629450A (en) * | 2013-11-13 | 2014-03-12 | 广西金滩管业科技有限公司 | Heat-preservation plastic pipeline |
| US20140220277A1 (en) * | 2013-02-06 | 2014-08-07 | Work Warm Dba Aeris | Breathable insulation for corrosion reduction |
| CN104563315A (en) * | 2015-01-08 | 2015-04-29 | 南京倍立达新材料系统工程股份有限公司 | Three-dimensional knitted hollow fabric reinforced foaming cement heat preserving plate and preparation method thereof |
-
2016
- 2016-01-13 CN CN201610021411.8A patent/CN106321992A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2461060A (en) * | 2008-06-18 | 2009-12-23 | Sewoon T & S Co Ltd | Fibreglass pipe-shaped insulator and its method of manufacture |
| CN101709810A (en) * | 2009-10-31 | 2010-05-19 | 大庆油田有限责任公司 | Low-temperature prefabricating process of anticorrosive heat insulating compound pipeline |
| CN101699120A (en) * | 2009-11-06 | 2010-04-28 | 周宝茂 | Microporous plastic-covered PPR copper liner reinforced composite pipe and preparation method thereof |
| US20140220277A1 (en) * | 2013-02-06 | 2014-08-07 | Work Warm Dba Aeris | Breathable insulation for corrosion reduction |
| CN103629450A (en) * | 2013-11-13 | 2014-03-12 | 广西金滩管业科技有限公司 | Heat-preservation plastic pipeline |
| CN103629446A (en) * | 2013-11-15 | 2014-03-12 | 中国石油天然气集团公司 | Low-lying corrosion-resisting alloying corrosion-resisting heat-preservation pipeline and processing technology thereof |
| CN104563315A (en) * | 2015-01-08 | 2015-04-29 | 南京倍立达新材料系统工程股份有限公司 | Three-dimensional knitted hollow fabric reinforced foaming cement heat preserving plate and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106760345A (en) * | 2017-02-17 | 2017-05-31 | 苏州益普敦新材料科技有限公司 | A kind of construction material compound air core |
| CN106969213A (en) * | 2017-05-09 | 2017-07-21 | 天津工业大学 | A kind of high rigidity composite material conduit and its manufacture method |
| CN110030439A (en) * | 2019-05-27 | 2019-07-19 | 中裕软管科技股份有限公司 | A kind of novel heat insulation and preservation hose and its production method |
| EP3767150A1 (en) * | 2019-07-18 | 2021-01-20 | ROCKWOOL International A/S | A system comprising a pipe and an insulating and protecting element and insulating and protecting element |
| CN111828770A (en) * | 2020-07-06 | 2020-10-27 | 刘静生 | Inner wall pre-repair pipeline for petroleum transportation |
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| PB01 | Publication | ||
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Application publication date: 20170111 |