CN115163923A - Prefabricated direct-buried heat supply insulating pipe for reducing heat loss of heat insulation pipe bracket - Google Patents
Prefabricated direct-buried heat supply insulating pipe for reducing heat loss of heat insulation pipe bracket Download PDFInfo
- Publication number
- CN115163923A CN115163923A CN202210734059.8A CN202210734059A CN115163923A CN 115163923 A CN115163923 A CN 115163923A CN 202210734059 A CN202210734059 A CN 202210734059A CN 115163923 A CN115163923 A CN 115163923A
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- CN
- China
- Prior art keywords
- heat
- pipe
- insulating
- inner ring
- insulation pipe
- 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
- 238000009413 insulation Methods 0.000 title claims abstract description 22
- 238000004321 preservation Methods 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
-
- 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
- F16L59/12—Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies
- F16L59/135—Hangers or supports specially adapted for insulated pipes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a prefabricated direct-buried heat supply insulating pipe for reducing heat loss of an insulating pipe bracket, which relates to the technical field of insulating pipes and aims to solve the problem that the heat of the insulating pipe per se is greatly dissipated from a part contacted with the pipe bracket to reduce the insulating effect of the insulating pipe, and the prefabricated direct-buried heat supply insulating pipe comprises the following components: a heat-insulating pipe; the bearing portion, the bearing portion sets up on the insulating tube, the bearing portion includes: an outer ring carried by a predetermined pipe carrier; the inner ring, the inner ring cover is in the outside of insulating tube, the inner ring with the outer loop is coaxial and the two is connected through the splice bar, run through threaded connection and have a plurality of rotating pins on the inner ring, the connector compresses tightly the insulating tube through set up extra device between insulating tube and pipe bracket, avoids insulating tube direct contact pipe bracket, and then blocks the heat transfer way between insulating tube and pipe bracket to a certain extent, has improved the thermal insulation performance of insulating tube.
Description
Technical Field
The invention relates to the technical field of heat preservation pipes, in particular to a prefabricated direct-buried heat supply heat preservation pipe capable of reducing heat loss of a heat insulation pipe support.
Background
The prefabricated direct-buried heat supply heat preservation pipe and the method of using high-temperature water for central heat supply are increasingly accepted by the same people in the heat supply industry, and in order to meet the requirement of conveying high-temperature heat-carrying media by users, a high-temperature resistant heat preservation pipe is developed. The product is suitable for the direct-buried heat-insulating pipeline with the conveying medium lower than 140 ℃, the direct-buried prefabricated heat-insulating pipe is formed by tightly combining a steel pipe for conveying the medium, a polyurethane rigid foam heat-insulating layer and a high-polyethylene outer sleeve, the product is mainly used for urban centralized heat supply pipe networks, petroleum conveying pipelines, water conveying pipelines in alpine regions and industrial pipeline engineering in production areas, and has the advantages of high-efficiency heat insulation, water resistance, corrosion resistance, simple and convenient construction and plant root stabbing resistance, the construction does not need to be laid in a trench, the product can be directly buried in a frozen soil layer of 0.6 to 1.2 meters, the heat loss can be reduced by 40 percent compared with the traditional process, the service life is prolonged by more than 3 to 5 times compared with other heat-insulating and corrosion-resistant materials, and the service life can reach 30 to 50 years.
The heat preservation pipe is connected with the installation base body through the pipe bracket, and the pipe bracket is directly contacted with the heat preservation pipe, so that a large amount of heat of the heat preservation pipe is dissipated from a part contacted with the pipe bracket, and the heat preservation effect of the heat preservation pipe is reduced;
the present invention is directed to a solution to the above-mentioned problems.
Disclosure of Invention
In order to solve the above problems, i.e. the problems of the background art, the present invention provides a prefabricated direct-buried heat-supplying thermal-insulating pipe for reducing heat loss of a thermal-insulating pipe support, comprising:
a heat preservation pipe;
the bearing portion, the bearing portion sets up on the insulating tube, the bearing portion includes:
an outer ring carried by a predetermined pipe carrier;
the inner ring, the inner ring cover is in the outside of insulating tube, the inner ring with the outer loop is coaxial and the two is connected through the splice bar, run through threaded connection on the inner ring and have a plurality of rotating pins, the axis of rotating pin with the radius coincidence of inner ring, the tip rotation of rotating pin is connected with the linkage segment, the free end of linkage segment articulates there is the connector, the connector compresses tightly the insulating tube.
The invention is further provided with: the connector is a V-shaped head, and both ends of the connector are provided with contact parts.
The invention is further provided with: the rotating pins are distributed on the inner ring in a central symmetry manner.
The invention is further provided with: the connecting ribs are porous aluminum alloy rod pieces.
The invention is further configured as follows: the number of the rotating pins is more than or equal to 3.
The invention is further provided with: the contact part is hinged with the end part of the connector.
The invention is further provided with: the surface of the contact part facing the heat preservation pipe is an inwards concave arc surface.
The beneficial technical effects of the invention are as follows:
an additional device is arranged between the heat-insulating pipe and the pipe bracket to prevent the heat-insulating pipe from directly contacting the pipe bracket, so that the heat transfer path between the heat-insulating pipe and the pipe bracket is blocked to a certain extent, and the heat-insulating performance of the heat-insulating pipe is improved;
the device for clamping the heat preservation pipe can be matched with the heat preservation pipe within a certain outer diameter size range in a mode of adjusting the rotating pin, so that the device has higher adaptability to the heat preservation pipe;
adopt the swing chuck, including wobbling connector and contact site realization insulating tube's centre gripping work, be equipped with the matching of higher degree to the insulating tube on arc surface, avoid appearing the not hard up problem that drops of centre gripping.
Drawings
FIG. 1 shows a schematic of an axial side construction of the present invention;
FIG. 2 is a schematic view of the invention at a point A in FIG. 1, shown enlarged in detail;
fig. 3 shows a schematic plan view of the present invention.
Reference numerals: 1-heat preservation pipe, 2-outer ring, 3-inner ring, 4-connecting rib, 5-rotating pin, 6-connecting section, 7-connector and 8-contact part.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
Example (b):
referring to fig. 1-3, the present invention provides a prefabricated direct-buried heat-supplying thermal insulation pipe for reducing heat loss of a thermal insulation pipe support, comprising:
a heat preservation pipe 1;
the insulating pipe 1 is used for transporting high-temperature medium liquid, and in this embodiment, the insulating pipe is a means of the prior art, and details are not described here.
The bearing part is arranged on the heat preservation pipe 1;
the supporting part is used for supporting the heat preservation pipe and reducing the heat loss of the part of the heat preservation pipe in contact with the supporting part;
in this embodiment, the support portion includes:
an outer ring 2, the outer ring 2 is supported by a preset pipe bracket;
the outer ring 2 is a whole ring and is sleeved outside the heat preservation pipe 1, and the outer ring 2 is supported by a preset pipe bracket;
in the prior art, the pipe bracket is mostly of a combined and detachable structure and is formed by two semi-rings, and the size of the outer ring 2 needs to be matched with the size of an inner ring of the pipe bracket;
the heat insulation pipe comprises an inner ring 3, wherein the inner ring 3 is sleeved outside the heat insulation pipe 1, the inner ring 3 and the outer ring 2 are coaxial and are connected through a connecting rib 4, a plurality of rotating pins 5 are connected to the inner ring 3 in a penetrating mode through threads, the axes of the rotating pins 5 are overlapped with the radius of the inner ring 3, the end portions of the rotating pins 5 are rotatably connected with a connecting section 6, the free end of the connecting section 6 is hinged with a connector 7, and the connector 7 compresses the heat insulation pipe;
in this embodiment, the inner ring 3 is also sleeved outside the heat preservation pipe 1, the inner ring 3 is used as a mounting base body of the rotating pin 5, and the rotating pin 5 is centrally symmetrically distributed on the inner ring 3 by rotating the rotating pin 5, so that one ends of the rotating pin 5 facing the center of the inner ring 3 are close to each other, and the heat preservation pipe 1 can be clamped;
in the embodiment, the axes of the inner ring 3, the outer ring 2 and the heat preservation pipe 1 are overlapped after the arrangement, so that the stability of the heat preservation pipe 1 is improved;
rotating pin 5 divide into the upper portion rotating head, like outer hexagon head, lower part screw thread section, screw thread section and 3 threaded connection of inner ring to and lower extreme rotation portion, rotation portion rotates and connects the connection section, specifically as follows:
the connecting section is provided with a through hole coaxial with the connecting section, and the connecting section penetrates through the through hole through a pin to be connected with the rotating part.
The connector 7 is a V-shaped head, contact parts 8 are arranged at two ends of the connector 7, and the contact parts 8 are strip-shaped pressing plates;
the connector 7 is in a V shape, the middle part of the connector is hinged on the connecting section, and the two ends of the connector are provided with contact parts 8, in the embodiment, the contact parts 8 and the two ends of the connector 7 are also in a hinged connection mode;
the connector 7 can swing, and the contact part 8 can also swing, so that the heat preservation pipes in a certain size range can be reliably clamped under the action of a plurality of groups of connectors, and the universality of the device is improved.
In this embodiment, the connecting ribs 4 are porous aluminum alloy rods;
the porous aluminum alloy has higher strength and lower heat conductivity coefficient, and the self heat of the heat-insulating pipe 1 can be further reduced to be dissipated at the pipe bracket by adopting the material;
because the size of the contact part 8 which is in contact with the heat preservation pipe 1 is small, the contact area of the heat preservation pipe 1 is small, and the heat transfer from the heat preservation pipe to the inner ring 3 can be reduced to a certain extent.
The number of the rotating pins 5 is more than or equal to 3, and 4 rotating pins are adopted in the embodiment, so that the stability of the device is ensured.
The surface of the contact part 8 facing the heat preservation pipe 1 is an inwards concave arc surface, and hard rubber is further arranged on the arc surface, so that the pipe body is prevented from being damaged when the heat preservation pipe 1 is clamped.
While the invention has been described with reference to a preferred embodiment, various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention, and particularly, features shown in the various embodiments may be combined in any suitable manner without departing from the scope of the invention. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are for convenience of description only, and do not indicate or imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is apparent to those skilled in the art that the scope of the present invention is not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (7)
1. The utility model provides a reduce prefabricated direct-burried heat supply insulating tube of thermal-insulated conduit saddle heat loss which characterized in that: the method comprises the following steps:
a heat preservation pipe;
the bearing portion, the bearing portion sets up on the insulating tube, the bearing portion includes:
an outer ring carried by a predetermined pipe carrier;
the inner ring, the inner ring cover is in the outside of insulating tube, the inner ring with the outer loop is coaxial and the two is connected through the splice bar, run through threaded connection on the inner ring and have a plurality of rotating pins, the axis of rotating pin with the radius coincidence of inner ring, the tip rotation of rotating pin is connected with the linkage segment, the free end of linkage segment articulates there is the connector, the connector compresses tightly the insulating tube.
2. The prefabricated direct-buried heat supply thermal insulation pipe for reducing heat loss of the heat insulation pipe bracket as recited in claim 1, is characterized in that: the connector is a V-shaped head, and both ends of the connector are provided with contact parts.
3. The prefabricated direct-buried heat supply thermal insulation pipe for reducing heat loss of the heat insulation pipe bracket as recited in claim 1, is characterized in that: the rotating pins are distributed on the inner ring in a central symmetry manner.
4. The prefabricated direct-buried heat supply thermal insulation pipe for reducing heat loss of the heat insulation pipe bracket as recited in claim 1, is characterized in that: the connecting rib is a porous aluminum alloy rod piece.
5. The prefabricated direct-buried heat supply thermal insulation pipe for reducing heat loss of the heat insulation pipe bracket according to claim 3, characterized in that: the number of the rotating pins is more than or equal to 3.
6. The prefabricated direct-buried heat supply thermal insulation pipe for reducing heat loss of the heat insulation pipe bracket as claimed in claim 2, is characterized in that: the contact part is hinged with the end part of the connector.
7. The prefabricated direct-buried heat supply thermal insulation pipe for reducing heat loss of the heat insulation pipe bracket as claimed in claim 6, characterized in that: the surface of the contact part facing the heat preservation pipe is an inwards concave arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210734059.8A CN115163923A (en) | 2022-06-27 | 2022-06-27 | Prefabricated direct-buried heat supply insulating pipe for reducing heat loss of heat insulation pipe bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210734059.8A CN115163923A (en) | 2022-06-27 | 2022-06-27 | Prefabricated direct-buried heat supply insulating pipe for reducing heat loss of heat insulation pipe bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115163923A true CN115163923A (en) | 2022-10-11 |
Family
ID=83487621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210734059.8A Pending CN115163923A (en) | 2022-06-27 | 2022-06-27 | Prefabricated direct-buried heat supply insulating pipe for reducing heat loss of heat insulation pipe bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115163923A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2565316A1 (en) * | 1984-06-05 | 1985-12-06 | Stein Industrie | DEVICE FOR ATTACHING A PIPING OF LOW THICKNESS |
| AU2006203636A1 (en) * | 2006-02-02 | 2007-08-16 | Fred Worthley & Son Pty Ltd | A weld-free pipe clamp |
| KR101975142B1 (en) * | 2018-01-19 | 2019-05-03 | 박인탁 | Support unit for connecting pre-insulated pipe, device for connecting pre-insulated pipe having the same and connection method for pre-insulated pipe using it |
| CN209430864U (en) * | 2019-01-12 | 2019-09-24 | 西南石油大学 | A kind of natural gas line support device |
| CN210372555U (en) * | 2019-05-29 | 2020-04-21 | 河南中科能管道有限公司 | Long-distance low-energy-consumption heat-insulation guide pipe support for overhead steam heat-insulation pipeline |
| CN214946888U (en) * | 2021-01-07 | 2021-11-30 | 河南弘信石油工程技术服务有限公司 | Oil pipe fixing device for oil drilling |
| CN215673932U (en) * | 2021-04-22 | 2022-01-28 | 山东海珀管业科技发展有限公司 | Insulating pipe connecting device |
| CN215721271U (en) * | 2021-08-04 | 2022-02-01 | 刘万广 | Pipe clamp for fixing heating ventilation air conditioner |
-
2022
- 2022-06-27 CN CN202210734059.8A patent/CN115163923A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2565316A1 (en) * | 1984-06-05 | 1985-12-06 | Stein Industrie | DEVICE FOR ATTACHING A PIPING OF LOW THICKNESS |
| AU2006203636A1 (en) * | 2006-02-02 | 2007-08-16 | Fred Worthley & Son Pty Ltd | A weld-free pipe clamp |
| KR101975142B1 (en) * | 2018-01-19 | 2019-05-03 | 박인탁 | Support unit for connecting pre-insulated pipe, device for connecting pre-insulated pipe having the same and connection method for pre-insulated pipe using it |
| CN209430864U (en) * | 2019-01-12 | 2019-09-24 | 西南石油大学 | A kind of natural gas line support device |
| CN210372555U (en) * | 2019-05-29 | 2020-04-21 | 河南中科能管道有限公司 | Long-distance low-energy-consumption heat-insulation guide pipe support for overhead steam heat-insulation pipeline |
| CN214946888U (en) * | 2021-01-07 | 2021-11-30 | 河南弘信石油工程技术服务有限公司 | Oil pipe fixing device for oil drilling |
| CN215673932U (en) * | 2021-04-22 | 2022-01-28 | 山东海珀管业科技发展有限公司 | Insulating pipe connecting device |
| CN215721271U (en) * | 2021-08-04 | 2022-02-01 | 刘万广 | Pipe clamp for fixing heating ventilation air conditioner |
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