CN105889648B - Direct buried steam pipeline - Google Patents
Direct buried steam pipeline Download PDFInfo
- Publication number
- CN105889648B CN105889648B CN201610404925.1A CN201610404925A CN105889648B CN 105889648 B CN105889648 B CN 105889648B CN 201610404925 A CN201610404925 A CN 201610404925A CN 105889648 B CN105889648 B CN 105889648B
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- CN
- China
- Prior art keywords
- heat
- reflective layer
- layer
- outside
- barrier material
- 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.)
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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
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- 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
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- 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
- F16L59/04—Arrangements using dry fillers, e.g. using slag wool which is added to the object to be insulated by pouring, spreading, spraying or the like
Abstract
The invention discloses a kind of direct buried steam pipelines, including working steel tube, internally reflective layer, heat-barrier material, central reflector layer, thermal insulation material, outer reflective layer and the outer steel pipe being successively arranged successively from inside to outside, the reflective surface facing outward of the internally reflective layer, inwardly, the reflecting surface of outer reflective layer is inwardly for the reflecting surface of central reflector layer.The prefabricated direct-buried steam insulation pipe of steel sleeve steel is slided outside double air layers of the present invention to have the advantage that：With the features such as simple in structure, easy to process, the Reflection effect of Radiation in reflecting layer is effectively played, pipeline heat loss can be effectively reduced, has improved the heat insulation effect of pipeline.
Description
Technical field
The invention belongs to insulating tube fields, more particularly, to a kind of direct buried steam pipeline.
Background technology
The heat radiation of direct-buried steam pipeline is transmitted outward with means of electromagnetic waves, part heat when radiated electromagnetic wave encounters reflecting surface
It can be absorbed by reflecting layer, most of energy is reflected back toward heat source, especially more obvious in the effect of high-temperature region radiation reflective.At present
The domestic prefabricated direct-buried steam insulation pipe of steel sleeve steel is all single air layer, is arranged in the outside of insulation construction and outer steel pipe inner wall
Between, thickness is not more than 15mm, and the reflecting layer in insulation construction is all provided in thermal insulation material, is close to thermal insulation material setting.
This structure cannot play the reflex in reflecting layer well, because reflecting layer is all provided in low-temperature space, reduce reflection
Effect, and thermal insulation material is equipped between reflecting layer and working steel tube, heat radiation is most of in transmittance process to be protected
Adiabator absorbs, and more weakens the reflecting effect in reflecting layer.
The characteristics of in view of current traditional structure, needs to develop a kind of prefabricated direct-buried steam insulation pipe of new construction, makes reflection
The reflex of layer gives full play to.
Invention content
In view of this, the present invention is directed to propose a kind of direct buried steam pipeline, can solve the above problems.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of direct buried steam pipeline, including the working steel tube, internally reflective layer, the heat-insulated material that are successively arranged successively from inside to outside
Material, central reflector layer, thermal insulation material, outer reflective layer and outer steel pipe, the reflective surface facing outward of the internally reflective layer, central reflector layer
Reflecting surface inwardly, inwardly, stainless steel cloth is installed in the outside of the heat-barrier material to the reflecting surface of outer reflective layer, to heat-barrier material
Urgent, stainless steel cloth is located at the inside of central reflector layer, and interior air layer is formed between heat-barrier material and stainless steel cloth, described
There are outer air layers between outer reflective layer and the inner wall of outer steel pipe.
Further, the outside of the outer reflective layer is urgent by outer reflective layer and thermal insulation material using strap.
Further, it is equipped with erosion resistant coating on the outside of the outer steel pipe.
Further, one of heat-barrier material is just installed every a distance on the outside of the internally reflective layer.
Further, the heat-barrier material is endless belt.
Further, after the working steel tube carries out impeller blasting, brushing zinc-rich coating two, internally reflective layer is wrapped in
The outside of zinc rich primer.
Further, if the thermal insulation material is equipped with dried layer, every layer of thermal insulation material is equipped with outer reflective layer, and is all made of packing
Band progress is urgent, and there are the outer air layers no more than 15mm between outermost outer reflective layer and the inner wall of outer steel pipe.
Further, one of heat-barrier material, the size of heat-barrier material are installed every 700~900mm on the outside of the internally reflective layer
For 40~60mm wide, 5~15mm thickness.
Further, the thermal insulation material is centrifugally glass-wool thermal insulation material, and strap is stainless steel strap.
Further, one of heat-barrier material is installed every 800mm on the outside of the internally reflective layer, the size of heat-barrier material is 50mm
Width, 10mm are thick.
Compared with the existing technology, direct buried steam pipeline of the present invention has the advantage that：With simple in structure, add
The features such as work facilitates effectively has played the Reflection effect of Radiation in reflecting layer, can effectively reduce pipeline heat loss, improve pipeline
Heat insulation effect.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structural diagram of the present invention；
Reference sign：
1- working steel tubes；2- internally reflective layer；3- stainless steel cloths；4- heat-barrier materials；5- central reflector layers；6- thermal insulating materials
Material；7- straps；8- outer steel pipes；9- erosion resistant coatings；10- outer reflective layers.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To express or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of direct buried steam pipeline, including the working steel tube 1, interior anti-that is successively arranged successively from inside to outside
Penetrate layer 2, heat-barrier material 4,5 thermal insulation material 6 of central reflector layer, outer reflective layer 10 and outer steel pipe 8, the internally reflective layer 2 it is anti-
It penetrates and faces outwardly, the reflecting surface of central reflector layer 5 inwardly, inwardly, pacify the reflecting surface of outer reflective layer 10 by the outside of the heat-barrier material 4
Stainless steel cloth 3 is filled, urgent to heat-barrier material 4, stainless steel cloth 3 is located at the inside of central reflector layer 5, heat-barrier material 4 and not
Air layer in being formed between rust steel wire 3, there are outer air layers between the outer reflective layer 10 and the inner wall of outer steel pipe 8.
The outside of the outer reflective layer 10 is urgent by outer reflective layer 10 and thermal insulation material 6 using strap 7.
8 outside of the outer steel pipe is equipped with erosion resistant coating 9.
One of heat-barrier material 4 is just installed every a distance in 2 outside of the internally reflective layer.
The heat-barrier material 4 is endless belt.
After the working steel tube 1 carries out impeller blasting, brushing zinc-rich coating two, internally reflective layer 2 is wrapped in zinc-rich
The outside of priming paint.
The thermal insulation material 6 be equipped with two layers, every layer of thermal insulation material 6 is equipped with outer reflective layer 10, and be all made of strap 7 into
Row is urgent, and there are the outer air layers no more than 15mm between outermost outer reflective layer 10 and the inner wall of outer steel pipe 8.
One of heat-barrier material 4 is installed in 2 outside of the internally reflective layer every 700~900mm, and the size of heat-barrier material 4 is 40
~60mm wide, 5~15mm are thick.
The thermal insulation material 6 is centrifugally glass-wool thermal insulation material, and strap 7 is stainless steel strap.Heat-barrier material 4 is low
Thermal coefficient heat-barrier material.
One of heat-barrier material 4 is installed in 2 outside of the internally reflective layer every 800mm, and the size of heat-barrier material 4 is 50mm wide,
10mm is thick.
The radiant emissivity of working steel tube 1 can effectively be reduced by reflecting the internally reflective layer 2 faced out, reduce working steel tube 1
Outside heat loss through radiation；Air layer in setting, and multilayer reflective layers are set in the outside of interior air layer, make heat source and reflecting surface it
Between produce radiation channel, can effectively play the reflex in reflecting layer, heat radiation electromagnetic wave is allow effectively to be reflected back toward
Working steel tube 1；Layering setting thermal insulation material 6 and outer reflective layer 10, further strengthen the insulation effect of pipeline, make the entirety of pipeline
Heat-insulating property meets design and the requirement of standard.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (7)
1. direct buried steam pipeline, it is characterised in that：Including be successively arranged successively from inside to outside working steel tube (1), internal reflection
Layer (2), heat-barrier material (4), central reflector layer (5), thermal insulation material (6), outer reflective layer (10) and outer steel pipe (8), the guarantor
For adiabator (6) if being equipped with dried layer, every layer of thermal insulation material (6) is equipped with outer reflective layer (10), and is all made of strap (7) and is beaten
Tightly, there are the outer air layers no more than 15mm between outermost outer reflective layer (10) and the inner wall of outer steel pipe (8), described outer
It covers and is equipped with erosion resistant coating (9), the reflective surface facing outward of the internally reflective layer (2), the reflecting surface of central reflector layer (5) on the outside of steel pipe (8)
Inwardly, the reflecting surface of outer reflective layer (10) inwardly, heat-insulated material together is just installed on the outside of the internally reflective layer (2) every a distance
Expect (4), the outside installation stainless steel cloth (3) of the heat-barrier material (4), stainless steel cloth (3) urgent to heat-barrier material (4)
Inside positioned at central reflector layer (5) forms interior air layer between heat-barrier material (4) and stainless steel cloth (3).
2. direct buried steam pipeline according to claim 1, it is characterised in that：The outside of the outer reflective layer (10) uses
Strap (7) is urgent by outer reflective layer (10) and thermal insulation material (6).
3. according to claim 1~2 any one of them direct buried steam pipeline, it is characterised in that：The heat-barrier material (4) is
Endless belt.
4. according to claim 1~2 any one of them direct buried steam pipeline, it is characterised in that：The working steel tube (1) into
After row impeller blasting, brushing zinc-rich coating two, internally reflective layer (2) is wrapped in the outside of zinc-rich coating.
5. direct buried steam pipeline according to claim 4, it is characterised in that：Every 700 on the outside of the internally reflective layer (2)
~900mm installs one of heat-barrier material (4), and the size of heat-barrier material (4) is 40~60mm wide, and 5~15mm is thick.
6. direct buried steam pipeline according to claim 2, it is characterised in that：The thermal insulation material (6) is rotary glass
Cotton thermal insulation material, strap (7) are stainless steel strap.
7. direct buried steam pipeline according to claim 6, it is characterised in that：On the outside of the internally reflective layer (2) every
800mm installs one of heat-barrier material (4), and the size of heat-barrier material (4) is 50mm wide, and 10mm is thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610404925.1A CN105889648B (en) | 2016-06-07 | 2016-06-07 | Direct buried steam pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610404925.1A CN105889648B (en) | 2016-06-07 | 2016-06-07 | Direct buried steam pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105889648A CN105889648A (en) | 2016-08-24 |
| CN105889648B true CN105889648B (en) | 2018-08-28 |
Family
ID=56729181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610404925.1A Active CN105889648B (en) | 2016-06-07 | 2016-06-07 | Direct buried steam pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105889648B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468906A (en) * | 2018-05-23 | 2018-08-31 | 珠海新源热力有限公司 | A kind of steel sleeve steel heat preservation direct-buried pipe |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4424734A (en) * | 1980-02-12 | 1984-01-10 | Heinmetall Gmbh | Protecting cover for a gun barrel |
| US4942903A (en) * | 1987-01-29 | 1990-07-24 | Eb Norsk Kabel A.S | Fire and corrosion protected hose |
| CN2340999Y (en) * | 1998-07-11 | 1999-09-29 | 中国石油天然气总公司工程技术研究院 | Thermal insulating pipe with low heat radiation |
| US5985385A (en) * | 1997-05-23 | 1999-11-16 | No Fire Technologies, Inc. | Fire and heat protection wrap for conduits, cable trays, other electrical transmission lines and gas and oil pipelines |
| CN2682268Y (en) * | 2004-04-02 | 2005-03-02 | 中国石油天然气集团公司 | Multilayer heat-insulated pipe for delivering high temperature stream |
| CN2692467Y (en) * | 2004-03-26 | 2005-04-13 | 康凤雷 | Internal rolling type multilayer heat insulating high temperature steam buried prefabricated heat insulating pipe |
| CN2839863Y (en) * | 2005-05-24 | 2006-11-22 | 赵云峰 | Low-vacuum thermal cover type direct-buried steam pipe insulation |
| CN203857145U (en) * | 2014-04-18 | 2014-10-01 | 辽宁久大管业有限公司 | Direct burial prefabricated heat preservation high-temperature hot water pipe |
| CN205664011U (en) * | 2016-06-07 | 2016-10-26 | 天津市管道工程集团有限公司 | Two air beds prefabricated direct -burried steam insulating tube of steel bushing steel that slides outward |
-
2016
- 2016-06-07 CN CN201610404925.1A patent/CN105889648B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4424734A (en) * | 1980-02-12 | 1984-01-10 | Heinmetall Gmbh | Protecting cover for a gun barrel |
| US4942903A (en) * | 1987-01-29 | 1990-07-24 | Eb Norsk Kabel A.S | Fire and corrosion protected hose |
| US5985385A (en) * | 1997-05-23 | 1999-11-16 | No Fire Technologies, Inc. | Fire and heat protection wrap for conduits, cable trays, other electrical transmission lines and gas and oil pipelines |
| CN2340999Y (en) * | 1998-07-11 | 1999-09-29 | 中国石油天然气总公司工程技术研究院 | Thermal insulating pipe with low heat radiation |
| CN2692467Y (en) * | 2004-03-26 | 2005-04-13 | 康凤雷 | Internal rolling type multilayer heat insulating high temperature steam buried prefabricated heat insulating pipe |
| CN2682268Y (en) * | 2004-04-02 | 2005-03-02 | 中国石油天然气集团公司 | Multilayer heat-insulated pipe for delivering high temperature stream |
| CN2839863Y (en) * | 2005-05-24 | 2006-11-22 | 赵云峰 | Low-vacuum thermal cover type direct-buried steam pipe insulation |
| CN203857145U (en) * | 2014-04-18 | 2014-10-01 | 辽宁久大管业有限公司 | Direct burial prefabricated heat preservation high-temperature hot water pipe |
| CN205664011U (en) * | 2016-06-07 | 2016-10-26 | 天津市管道工程集团有限公司 | Two air beds prefabricated direct -burried steam insulating tube of steel bushing steel that slides outward |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105889648A (en) | 2016-08-24 |
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