CN105889648A - Directly-buried steam heat preservation pipe - Google Patents
Directly-buried steam heat preservation pipe Download PDFInfo
- Publication number
- CN105889648A CN105889648A CN201610404925.1A CN201610404925A CN105889648A CN 105889648 A CN105889648 A CN 105889648A CN 201610404925 A CN201610404925 A CN 201610404925A CN 105889648 A CN105889648 A CN 105889648A
- Authority
- CN
- China
- Prior art keywords
- layer
- heat
- reflective layer
- buried steam
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a directly-buried steam heat preservation pipe. The directly-buried steam heat preservation pipe comprises a working steel pipe, an inner reflecting layer, a heat insulation material, a middle reflecting layer, a heat preservation material, an outer reflecting layer and a jacket steel pipe which are arranged in sequence layer by layer from inside to outside. The reflecting surface of the inner reflecting layer faces outwards, the reflecting surface of the middle reflecting layer faces inwards, and the reflecting surface of the outer reflecting layer faces inwards. The steel prefabricated directly-buried steam heat preservation pipe with double air layers and an outer sliding steel jacket has the advantages that the structure is simple, and machining is convenient; the radiation reflecting effect of the reflecting layers is effectively exerted, the heat loss of a pipeline can be effectively reduced, and the heat preservation effect of the pipeline can be effectively improved.
Description
Technical field
The invention belongs to insulating tube field, especially relate to a kind of direct buried steam pipeline.
Background technology
The heat radiation of direct-buried steam pipeline outwards transmits with means of electromagnetic waves, and radiated electromagnetic wave runs into reflecting surface
Time partial heat energy absorbed by reflecting layer, major part energy is reflected back toward thermal source, especially anti-in high-temperature region radiation
The effect penetrated becomes apparent from.The most domestic steel sleeve steel prefabricated direct-buried steam insulation pipe is all single air layer,
Being arranged between the outside of insulation construction and outer steel pipe inwall, thickness is not more than 15mm, in insulation construction
Reflecting layer be all provided in insulation material, be close to insulation material arrange.This structure can not be good
Play the reflection in reflecting layer, because reflecting layer is all provided in low-temperature space, reduce the effect of reflection,
And between reflecting layer and working steel tube, it being provided with insulation material, major part has been in transmittance process for heat radiation
Insulation absorbed, more weakens the reflecting effect in reflecting layer.
In view of the feature of current traditional structure, need to develop the prefabricated direct-buried steam insulation of a kind of new construction
Pipe, makes the reflection in reflecting layer give full play to.
Summary of the invention
In view of this, it is contemplated that propose a kind of direct buried steam pipeline, the problems referred to above can be solved.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of direct buried steam pipeline, including the working steel tube the most successively arranged, internal reflection
Layer, heat-barrier material, central reflector layer, insulation material, outer reflective layer and outer steel pipe, described internal reflection
The reflective surface facing outward of layer, inwardly, the reflecting surface of outer reflective layer is inwardly, described for the reflecting surface of central reflector layer
Stainless steel cloth is installed in the outside of heat-barrier material, urgent to heat-barrier material, and stainless steel cloth is positioned at middle anti-
Penetrating the inner side of layer, air layer in being formed between heat-barrier material and stainless steel cloth, described outer reflective layer is with outer
Outer space gas-bearing formation is left between the inwall of set steel pipe.
Further, the outside of described outer reflective layer uses strap by urgent to outer reflective layer and insulation material.
Further, it is provided with anticorrosive coat outside described outer steel pipe.
Further, every a segment distance, one heat-barrier material is just installed outside described internally reflective layer.
Further, described heat-barrier material is endless belt.
Further, after described working steel tube carries out impeller blasting, brushing zinc-rich coating two road, the most instead
Penetrate layer and be wrapped in the outside of zinc rich primer.
Further, if described insulation material is provided with dried layer, every layer of insulation material is equipped with outer reflective layer, and
All use strap to carry out urgent, leave little between outermost outer reflective layer and the inwall of outer steel pipe
Outer space gas-bearing formation in 15mm.
Further, outside described internally reflective layer, every 700～900mm, one heat-barrier material is installed, heat insulation
The size of material is 40～60mm width, and 5～15mm is thick.
Further, described insulation material is centrifugally glass-wool insulation material, and strap is rustless steel strap.
Further, every 800mm, one heat-barrier material, heat-barrier material are installed outside described internally reflective layer
Size be 50mm width, 10mm is thick.
Relative to prior art, direct buried steam pipeline of the present invention has the advantage that have knot
The features such as structure is simple, easy to process, have effectively played the Reflection effect of Radiation in reflecting layer, can effectively drop
Low pipeline heat loss, improves the heat insulation effect of pipeline.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, the present invention's
Schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.?
In accompanying drawing:
Fig. 1 is the structural representation of the present invention；
Description of reference numerals:
1-working steel tube；2-internally reflective layer；3-stainless steel cloth；4-heat-barrier material；5-central reflector layer；
6-insulation material；7-strap；8-outer steel pipe；9-anticorrosive coat；10-outer reflective layer.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the spy in embodiment
Levy and can be mutually combined.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ",
On " ", D score, "front", "rear", "left", "right", " vertically ", " level ",
" push up ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be for based on shown in accompanying drawing
Orientation or position relationship, be for only for ease of the description present invention and simplifying and describe rather than instruction or dark
Show that device or the element of indication must have specific orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.Additionally, term " first ", " second " etc. are only used for describing
Purpose, and it is not intended that instruction or hint relative importance or implicit indicate indicated technical characteristic
Quantity.Thus, the feature defining " first ", " second " etc. can be expressed or impliedly wrap
Include one or more this feature.In describing the invention, except as otherwise noted, " multiple "
It is meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term
" install ", " being connected ", " connection " should be interpreted broadly, and connect, also for example, it may be fixing
Can be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.
For the ordinary skill in the art, can understand that above-mentioned term is in the present invention by concrete condition
In concrete meaning.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As it is shown in figure 1, a kind of direct buried steam pipeline, including the work the most successively arranged
Steel pipe 1, internally reflective layer 2, heat-barrier material 4, central reflector layer 5 insulation material 6, outer reflective layer 10
With outer steel pipe 8, the reflective surface facing outward of described internally reflective layer 2, the reflecting surface of central reflector layer 5 inwardly,
Inwardly, stainless steel cloth 3 is installed in the outside of described heat-barrier material 4 to the reflecting surface of outer reflective layer 10, to every
Hot material 4 is urgent, and stainless steel cloth 3 is positioned at the inner side of central reflector layer 5, heat-barrier material 4 and stainless
Air layer in being formed between steel wire 3, stays between described outer reflective layer 10 and the inwall of outer steel pipe 8
There is outer space gas-bearing formation.
The outside of described outer reflective layer 10 uses strap 7 by urgent to outer reflective layer 10 and insulation material 6.
It is provided with anticorrosive coat 9 outside described outer steel pipe 8.
Every a segment distance, one heat-barrier material 4 is just installed outside described internally reflective layer 2.
Described heat-barrier material 4 is endless belt.
After described working steel tube 1 carries out impeller blasting, brushing zinc-rich coating two road, internally reflective layer 2
It is wrapped in the outside of zinc rich primer.
Described insulation material 6 is provided with two-layer, and every layer of insulation material 6 is equipped with outer reflective layer 10, and all adopts
Carry out urgent with strap 7, leave between outermost outer reflective layer 10 and the inwall of outer steel pipe 8
It is not more than the outer space gas-bearing formation of 15mm.
Every 700～900mm, one heat-barrier material 4, heat-barrier material 4 are installed outside described internally reflective layer 2
Size be 40～60mm width, 5～15mm is thick.
Described insulation material 6 is centrifugally glass-wool insulation material, and strap 7 is rustless steel strap.Every
Hot material 4 is low thermal conductivity heat-barrier material.
Every 800mm, one heat-barrier material 4 is installed outside described internally reflective layer 2, heat-barrier material 4
A size of 50mm width, 10mm is thick.
The outside internally reflective layer 2 of reflecting surface can effectively reduce the radiant emissivity of working steel tube 1, reduces
The heat loss through radiation that working steel tube 1 is outside；Interior air layer is set, and multilamellar is set in the outside of interior air layer
Reflecting layer, makes to create between thermal source and reflecting surface radiation channel, it is possible to effectively play the reflection in reflecting layer
Effect, makes heat radiation electromagnetic wave can effectively be reflected back toward working steel tube 1；Layering arranges insulation material 6
With outer reflective layer 10, strengthen the insulation effect of pipeline further, make the integral heat insulation performance of pipeline meet and set
Meter and the requirement of standard.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. made, should be included in
Within protection scope of the present invention.
Claims (10)
1. direct buried steam pipeline, it is characterised in that: include the work the most successively arranged
Steel pipe (1), internally reflective layer (2), heat-barrier material (4), central reflector layer (5), insulation material
(6), outer reflective layer (10) and outer steel pipe (8), the reflecting surface court of described internally reflective layer (2)
Outward, inwardly, the reflecting surface of outer reflective layer (10) is inwardly, described for the reflecting surface of central reflector layer (5)
Stainless steel cloth (3) is installed in the outside of heat-barrier material (4), urgent to heat-barrier material (4), stainless
Steel wire (3) is positioned at the inner side of central reflector layer (5), heat-barrier material (4) and stainless steel cloth (3)
Between formed in air layer, leave between the inwall of described outer reflective layer (10) and outer steel pipe (8)
Outer space gas-bearing formation.
Direct buried steam pipeline the most according to claim 1, it is characterised in that: described external reflectance
The outside of layer (10) uses strap (7) by urgent to outer reflective layer (10) and insulation material (6).
Direct buried steam pipeline the most according to claim 1, it is characterised in that: described overcoat steel
Pipe (8) outside is provided with anticorrosive coat (9).
4. according to the direct buried steam pipeline described in any one of claims 1 to 3, it is characterised in that: institute
State internally reflective layer (2) outside, every a segment distance, one heat-barrier material (4) is just installed.
5. according to the direct buried steam pipeline described in any one of claims 1 to 3, it is characterised in that: institute
Stating heat-barrier material (4) is endless belt.
6. according to the direct buried steam pipeline described in any one of claims 1 to 3, it is characterised in that: institute
State after working steel tube (1) carries out impeller blasting, brushing zinc-rich coating two road, internally reflective layer (2)
It is wrapped in the outside of zinc rich primer.
Direct buried steam pipeline the most according to claim 2, it is characterised in that: described thermal insulating material
Material (6) is if being provided with dried layer, and every layer of insulation material (6) is equipped with outer reflective layer (10), and all uses
Strap (7) carries out urgent, the inwall of outermost outer reflective layer (10) and outer steel pipe (8) it
Between leave the outer space gas-bearing formation of no more than 15mm.
Direct buried steam pipeline the most according to claim 5, it is characterised in that: described internal reflection
One heat-barrier material (4), the chi of heat-barrier material (4) are installed every 700～900mm in layer (2) outside
Very little is 40～60mm width, and 5～15mm is thick.
Direct buried steam pipeline the most according to claim 2, it is characterised in that: described thermal insulating material
Material (6) is centrifugally glass-wool insulation material, and strap (7) is rustless steel strap.
Direct buried steam pipeline the most according to claim 8, it is characterised in that: described internal reflection
One heat-barrier material (4) is installed every 800mm in layer (2) outside, and the size of heat-barrier material (4) is
50mm width, 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 true CN105889648A (en) | 2016-08-24 |
| CN105889648B 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) |
Cited By (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)
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|---|---|---|---|---|
| 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 |
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| CN2839863Y (en) * | 2005-05-24 | 2006-11-22 | 赵云峰 | Low-vacuum thermal cover type direct-buried steam pipe insulation |
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-
2016
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Patent Citations (9)
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|---|---|---|---|---|
| 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 |
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| Title |
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Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105889648B (en) | 2018-08-28 |
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