CN210106883U - Direct-buried heat-preservation natural compensation bent pipe - Google Patents
Direct-buried heat-preservation natural compensation bent pipe Download PDFInfo
- Publication number
- CN210106883U CN210106883U CN201920610278.9U CN201920610278U CN210106883U CN 210106883 U CN210106883 U CN 210106883U CN 201920610278 U CN201920610278 U CN 201920610278U CN 210106883 U CN210106883 U CN 210106883U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- heat preservation
- direct
- thermal
- inner tube
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Thermal Insulation (AREA)
Abstract
The utility model discloses a direct-burried heat preservation natural compensation return bend, including inner tube and outer protection steel pipe, the inner tube is located the inside centre of outer protection steel pipe, the position that the surface of inner tube is located the inside of outer protection steel pipe is equipped with the heat preservation, be equipped with the air bed between the inner wall of heat preservation and outer protection steel pipe, the heat preservation comprises aerogel thermal-insulated coating, organosilicon high temperature resistant thermal-insulated coating and waterborne epoxy thermal-insulated coating, the one end fixedly connected with tube head of inner tube, aerogel thermal-insulated coating, organosilicon high temperature resistant thermal-insulated coating and waterborne epoxy thermal-insulated coating outwards protect the steel pipe direction distribution by the inner tube between inner tube and outer protection steel pipe, the thickness of heat preservation is eight millimeters. The utility model discloses can improve the heat preservation effect of direct-burried heat preservation natural compensation return bend to can reduce the heat transfer between inner tube and the outer steel pipe of protecting, have the practicality.
Description
Technical Field
The utility model relates to a direct-burried compensation return bend technical field especially relates to a direct-burried heat preservation natural compensation return bend.
Background
The direct-buried heat-preservation natural compensation elbow is a pipeline used for direct-buried laying construction, is directly buried in soil and is generally used for pipeline heat supply, and along with the development of heat supply projects in China, the construction of direct-buried heat-preservation high-temperature pipeline projects is also developed. However, the existing direct-buried heat-preservation natural compensation elbow has certain defects when in use, the heat-preservation layer of the direct-buried heat-preservation natural compensation elbow is thick, the heat-preservation layer adopts a multilayer structure, the heat-preservation effect is not good, and obvious heat transfer exists between the inner pipe and the outer protection steel pipe, so that heat loss is caused, and certain influence is brought to the use process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a direct-buried heat-preservation natural compensation elbow.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a direct-burried heat preservation natural compensation return bend, includes inner tube and outer protection steel pipe, the inner tube is located the inside centre of outer protection steel pipe, the position that the surface of inner tube is located the inside of outer protection steel pipe is equipped with the heat preservation, be equipped with the air bed between the inner wall of heat preservation and outer protection steel pipe, the heat preservation comprises aerogel thermal-insulated coating, the high temperature resistant thermal-insulated coating of organosilicon and waterborne epoxy thermal-insulated coating, the one end fixedly connected with tube head of inner tube.
Preferably, the aerogel thermal insulation coating, the organic silicon high-temperature-resistant thermal insulation coating and the water-based epoxy resin thermal insulation coating are distributed between the inner pipe and the outer protective steel pipe from the inner pipe to the outer protective steel pipe.
Preferably, the aerogel thermal barrier coating has a thickness of one millimeter.
Preferably, the thickness of the organic silicon high-temperature resistant heat insulation coating is three millimeters.
Preferably, the thickness of the water-based epoxy resin thermal insulation coating is three millimeters.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, aerogel thermal-insulated coating, organosilicon high temperature resistant thermal-insulated coating and waterborne epoxy thermal-insulated coating can carry out multi-level efficient heat preservation to the inner tube, the holistic heat preservation effect of insulating tube obtains great improvement, and adopt aerogel thermal-insulated coating, organosilicon high temperature resistant thermal-insulated coating and waterborne epoxy thermal-insulated coatings etc. thermal-insulated coating, can reduce the heat transfer between inner tube and the outer steel pipe of protecting, and simultaneously, the thickness of heat preservation is eight millimeters, compare in traditional insulating tube, the thickness greatly reduced of heat preservation, can reduce the size of outer steel pipe of protecting, thereby reduce the cost.
To sum up, the utility model discloses can improve the heat preservation effect of direct-burried heat preservation natural compensation return bend to can reduce the heat transfer between inner tube and the outer protective steel pipe, have the practicality.
Drawings
Fig. 1 is a top view of a direct-buried thermal insulation natural compensation elbow pipe provided by the present invention;
fig. 2 is a front view of a direct-buried thermal insulation natural compensation elbow pipe provided by the present invention;
fig. 3 is the utility model provides a structural schematic diagram of the heat preservation of direct-burried heat preservation natural compensation return bend.
In the figure: 1 inner tube, 2 outer protective steel pipes, 3 heat preservation, 4 air layers, 5 aerogel thermal barrier coating, 6 high temperature resistant thermal barrier coating of organosilicon, 7 waterborne epoxy resin thermal barrier coating, 8 tube heads.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a direct-buried heat-preservation natural compensation elbow comprises an inner pipe 1 and an outer protection steel pipe 2, wherein the inner pipe 1 is located in the middle of the inside of the outer protection steel pipe 2, a heat-preservation layer 3 is arranged on the outer surface of the inner pipe 1 and located inside the outer protection steel pipe 2, an air layer 4 is arranged between the heat-preservation layer 3 and the inner wall of the outer protection steel pipe 2, the heat-preservation layer 3 is composed of an aerogel heat-insulation coating 5, an organic silicon high-temperature-resistant heat-insulation coating 6 and a water-based epoxy resin heat-insulation coating 7, and one.
The aerogel thermal insulation coating 5, the organic silicon high-temperature-resistant thermal insulation coating 6 and the water-based epoxy resin thermal insulation coating 7 are distributed between the inner pipe 1 and the outer protective steel pipe 2 from the inner pipe 1 to the outer protective steel pipe 2, the thickness of the aerogel thermal insulation coating 5 is one millimeter, the thickness of the organic silicon high-temperature-resistant thermal insulation coating 6 is three millimeters, and the thickness of the water-based epoxy resin thermal insulation coating 7 is three millimeters.
The working principle is as follows: the inner pipe 1 and the outer protecting steel pipe 2 are spliced in a welding mode, one end of the inner pipe 1 is connected with a pipe head 8, the bent pipe can be visually connected with different sizes, then the bent pipe is directly buried in soil at a construction position, hot water and steam are conveyed through the inner pipe 1 in the working process of the bent pipe, a heat preservation layer 3 is arranged on the outer surface of the inner pipe 1, the heat preservation layer 3 is composed of an aerogel heat insulation coating 5, an organic silicon high-temperature-resistant heat insulation coating 6 and a water-based epoxy resin heat insulation coating 7, the surface strength of the water-based epoxy resin heat insulation coating 7 is high, acrylic resin emulsion is added, the waterproof effect is particularly obvious, the coating does not absorb moisture, the water resistance and the temperature resistance of the coating are stable, the heat preservation effect of the bent pipe can be effectively improved, the heat transfer between the inner pipe 1 and the outer protecting steel pipe 2 is reduced, an air layer 4 between the heat, the thickness of the heat-insulating layer 3 is eight millimeters, and the size of the outer protecting steel tube 2 can be reduced, so that the cost is reduced; the utility model discloses can improve the heat preservation effect of direct-burried heat preservation natural compensation return bend to can reduce the heat transfer between inner tube 1 and the outer steel pipe 2 of protecting, have the practicality.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a direct-burried heat preservation natural compensation return bend, includes inner tube (1) and outer protection steel pipe (2), its characterized in that, inner tube (1) is located the inside centre of outer protection steel pipe (2), the position that the surface of inner tube (1) is located the inside of outer protection steel pipe (2) is equipped with heat preservation (3), be equipped with air bed (4) between the inner wall of heat preservation (3) and outer protection steel pipe (2), heat preservation (3) are formed by aerogel thermal-insulated coating (5), organosilicon high temperature resistant thermal-insulated coating (6) and waterborne epoxy thermal-insulated coating (7), the one end fixedly connected with tube head (8) of inner tube (1).
2. The direct-buried heat-preservation natural compensation elbow pipe as claimed in claim 1, wherein the aerogel thermal insulation coating (5), the silicone high-temperature-resistant thermal insulation coating (6) and the water-based epoxy resin thermal insulation coating (7) are distributed between the inner pipe (1) and the outer protecting steel pipe (2) from the inner pipe (1) to the outer protecting steel pipe (2).
3. The direct-buried thermal natural compensation elbow according to claim 1, characterized in that the thickness of the aerogel thermal insulation coating (5) is one millimeter.
4. The direct-buried heat-preservation natural compensation elbow pipe according to claim 1, characterized in that the thickness of the organic silicon high-temperature-resistant heat-insulation coating (6) is three millimeters.
5. The direct-buried thermal natural compensation elbow according to claim 1, characterized in that the thickness of the water-based epoxy resin thermal insulation coating (7) is three millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920610278.9U CN210106883U (en) | 2019-04-30 | 2019-04-30 | Direct-buried heat-preservation natural compensation bent pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920610278.9U CN210106883U (en) | 2019-04-30 | 2019-04-30 | Direct-buried heat-preservation natural compensation bent pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210106883U true CN210106883U (en) | 2020-02-21 |
Family
ID=69539033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920610278.9U Expired - Fee Related CN210106883U (en) | 2019-04-30 | 2019-04-30 | Direct-buried heat-preservation natural compensation bent pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210106883U (en) |
-
2019
- 2019-04-30 CN CN201920610278.9U patent/CN210106883U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204962058U (en) | Steel bushing steel insulating tube | |
| CN210106883U (en) | Direct-buried heat-preservation natural compensation bent pipe | |
| CN203230966U (en) | Conveying pipeline with multilayer composite heat insulation structure | |
| CN206257413U (en) | Pre- thermal insulating | |
| CN203463807U (en) | Rubber-plastic thermal insulation pipe | |
| CN205877597U (en) | Tip sealing connecting piece and direct -burried type heat - supply pipeline of insulating tube | |
| CN204962049U (en) | Prefabricated directly -buried thermal insulation pipe | |
| CN207316256U (en) | A kind of novel heating pipeline | |
| CN206072663U (en) | A kind of steam long-distance sand transport low-loss direct-burried insulation construction | |
| CN202647071U (en) | Extension-type heat-insulating device | |
| CN206468926U (en) | A kind of novel environment friendly composite thermal-insulating pipe | |
| CN206300523U (en) | A kind of explosion-proof sleeve pipe of heat exchanger | |
| CN203868599U (en) | Protection system for plastic tap water pipelines of outer wall | |
| CN204358277U (en) | A kind of anti-corrosion heat insulation pipe | |
| CN204703396U (en) | A kind of solar structure of modularization mobile house | |
| CN201416702Y (en) | Polyethylene pipeline | |
| CN210950293U (en) | Heat supply pipeline | |
| CN206784946U (en) | A kind of cold district Concrete Pumping Construction attemperator | |
| CN207796342U (en) | It is easily installed the feed pipe of docking | |
| CN205371956U (en) | Dryer steam hot oil line | |
| CN218670972U (en) | Novel steam tracing prefabricated insulating tube | |
| CN100449195C (en) | Heat insulating and energy-saving technique for thermal pipes | |
| CN205245576U (en) | Energy -conserving boiler fin | |
| CN202493835U (en) | Novel distribution and connection device | |
| CN204491725U (en) | The non-current water service pipe of a kind of severe cold area roofing antifreeze protection insulation ditch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200221 Termination date: 20210430 |