CN114962846A - Be used for direct-burried hot water pipeline air release pipe compensation structure - Google Patents
Be used for direct-burried hot water pipeline air release pipe compensation structure Download PDFInfo
- Publication number
- CN114962846A CN114962846A CN202210385592.8A CN202210385592A CN114962846A CN 114962846 A CN114962846 A CN 114962846A CN 202210385592 A CN202210385592 A CN 202210385592A CN 114962846 A CN114962846 A CN 114962846A
- Authority
- CN
- China
- Prior art keywords
- pipe
- hot water
- water pipeline
- protection
- compensation structure
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000003466 welding Methods 0.000 claims abstract description 10
- 239000002689 soil Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 7
- 239000012774 insulation material Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
-
- 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
- F16L51/00—Expansion-compensation arrangements for pipe-lines
-
- 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
- F16L55/10—Means for stopping flow in pipes or hoses
- F16L55/115—Caps
-
- 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
- F16L58/1054—Coatings characterised by the materials used by rubber or plastics the coating being placed outside the pipe
-
- 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—Compositions for or methods of fixing a thermally insulating material
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a compensation structure for a directly-buried hot water pipeline gas discharge pipe, which comprises a hot water pipeline, a gas discharge pipe arranged on the hot water pipeline, and a first protection pipe which is buried in soil and sleeved outside the gas discharge pipe, wherein the inner diameter of the first protection pipe is larger than the outer diameter of the gas discharge pipe. Aiming at the technical problem that the joint of the air release pipe and the buried hot water finished product insulating pipe is stressed to cause the crack and the leakage of the welding line, the invention provides the air release pipe compensation structure for the direct-buried hot water pipeline, which can absorb the horizontal displacement of the air release pipe and protect the welding line at the joint between the air release pipe and the main pipe.
Description
Technical Field
The invention relates to the technical field of heat supply pipe networks, in particular to a compensation structure for a directly-buried hot water pipeline exhaust pipe.
Background
The buried thick-wall gas release pipe is inserted into and welded with the opening of the inner core steel pipe of the hot water pipeline, and the welding of a bearing platform at the joint is reinforced; the thick-wall air release pipe heat insulation layer is made of polyurethane tiles, the outer protection layer is made of glass fiber cloth and wound in multiple layers, referring to fig. 1, in practice, the air release pipe often moves along with the hot water pipeline and forms displacement with soil, and stress welding seams at joints are cracked and leaked.
Disclosure of Invention
1. Technical problems to be solved by the invention
Aiming at the technical problem that the joint of the air release pipe and the buried hot water finished product insulating pipe is stressed to cause the crack and the leakage of the welding line, the invention provides the air release pipe compensation structure for the direct-buried hot water pipeline, which can absorb the horizontal displacement of the air release pipe and protect the welding line at the joint between the air release pipe and the main pipe.
2. Technical scheme
In order to solve the problems, the technical scheme provided by the invention is as follows:
the utility model provides a be used for direct-burried hot water pipeline gas release pipe compensation structure, includes the hot water pipeline, and locates gas release pipe on the hot water pipeline still including burying in soil and the cover is located the first protective tube outside the gas release pipe, the internal diameter of first protective tube is greater than the external diameter of gas release pipe.
Optionally, the first protective pipe is one of a double-walled corrugated pipe, a PE pipe, and a PVC pipe.
Optionally, the exhaust pipe further comprises a second protection pipe sleeved outside the exhaust pipe, the second protection pipe is fixedly connected to the hot water pipeline, the inner diameter of the first protection pipe is larger than the outer diameter of the second protection pipe, and the second protection pipe is filled with a heat insulation material.
Optionally, an anticorrosive layer is arranged on the outer wall of the second protection pipe.
Optionally, the second protection pipe is a steel sleeve and is fixedly connected to the hot water pipeline in a welding and sealing manner.
Optionally, the opening of the second protection tube is provided with a first sealing end cap.
Optionally, a heat insulation layer is arranged on the outer side of the hot water pipeline, and a second sealing end cap is arranged at the connecting position of the second protection pipe and the heat insulation layer.
Optionally, the first and second sealing end caps are both PE shrink end caps.
Optionally, the corrosion protection layer is a PE corrosion protection layer.
Optionally, the thermal insulation material is a polyurethane foam material.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
this be arranged in direct-burried hot water pipeline bleeder compensation structure the space that forms in the first protective tube allows the bleeder along with the formation displacement of being responsible for the thermal expansion, has absorbed the horizontal displacement of bleeder, has protected the welding seam of junction between bleeder and the person in charge, and the whole quality of engineering has been improved greatly to convenient, practical, the easy construction of above measure.
Drawings
Fig. 1 is a schematic structural view of a conventional directly-buried hot water pipe vent pipe according to the background art of the present invention;
fig. 2 is a schematic structural diagram of a compensation structure for a directly-buried hot water pipeline exhaust pipe according to an embodiment of the present invention;
fig. 3 is a partial schematic view of a compensation structure for a directly-buried hot water pipeline exhaust pipe according to an embodiment of the present invention;
1. a hot water pipe; 2. discharging the air pipe; 3. a first protective tube; 4. a second protection pipe; 5. a thermal insulation material; 6. an anticorrosive layer; 7. a first sealing end cap; 8. a heat-insulating layer; 9. a second sealing end cap.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "secured to," "disposed on," "secured to," or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, when one element is considered to be "fixedly connected" to another element, the two elements may be fixed by way of detachable connection, or may be fixed by way of non-detachable connection, such as sleeving, clamping, integrally-formed fixing, welding, etc., which can be implemented in the prior art, and is not cumbersome. When an element is perpendicular or nearly perpendicular to another element, it is desirable that the two elements are perpendicular, but some vertical error may exist due to manufacturing and assembly effects. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
References to "first" and "second" in this disclosure do not denote any particular order or quantity, but rather are used to distinguish one element from another.
With reference to fig. 2-3, the compensation structure for the directly-buried hot water pipe vent pipe of the embodiment includes a hot water pipe 1, and a vent pipe 2 disposed on the hot water pipe 1, wherein the hot water pipe 1 is buried in soil, a heat insulating layer 8 is disposed on an outer side of the hot water pipe 1, the heat insulating layer 8 is made of polyurethane, the vent pipe 2 is fixedly welded to the hot water pipe 1 and is communicated with an inside of the hot water pipe 1, the compensation structure further includes a first protection pipe 3 buried in soil and sleeved outside the vent pipe 2, the first protection pipe 3 is one of a double-wall corrugated pipe, a PE pipe and a PVC pipe, and an inner diameter of the first protection pipe 3 is larger than an outer diameter of the vent pipe 2; the space formed in the first protection pipe 3 allows the air release pipe 2 to move along with the thermal expansion of the heat preservation layer 8, so that the phenomenon that the joint of the air release pipe 2 and the hot water pipeline 1 is cracked and leaked due to stress is avoided, and the engineering quality is further guaranteed.
As an alternative of the present invention, the present invention further includes a second protection tube 4 sleeved outside the gas release tube 2, the second protection tube 4 is a steel sleeve, the lower end of the second protection tube 4 is welded, sealed and fixedly connected to the hot water pipeline 1, the inner diameter of the first protection tube 3 is larger than the outer diameter of the second protection tube 4, the first protection tube 3 can be located at the same position in the first protection tube 3 along with the gas release tube 2, the second protection tube 4 is filled with a thermal insulation material 5, the thermal insulation material 5 is a polyurethane foam material, and on the basis of ensuring the thermal insulation effect, a weld joint at the connection position of the gas release tube 2 and the hot water pipeline 1 is protected.
As an alternative of the present invention, in order to protect the second protection pipe 4 from corrosion and prolong the service life of the second protection pipe 4, an anticorrosive layer 6 is provided on the outer wall of the second protection pipe 4, and the anticorrosive layer 6 is a PE anticorrosive layer.
As an alternative of the present invention, a first sealing end cap 7 is disposed at an upper end opening of the second protection tube 4, and since a lower end of the second protection tube is fixedly welded and sealed with the hot water pipeline 1, the first sealing end cap 7 is not required to be disposed, and meanwhile, a second sealing end cap 9 is disposed at a connection position of the second protection tube 4 and the heat insulation layer 8, and both the first sealing end cap 7 and the second sealing end cap 9 are PE shrink end caps, and through the arrangement of the first sealing end cap 7 and the second sealing end cap 9, soil moisture can be effectively prevented from entering the air release tube 2 and the heat insulation layer 8.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. The utility model provides a be used for direct-burried hot water pipeline gas release pipe compensation structure which characterized in that: including hot water pipeline, and locate the last gas release pipe of hot water pipeline still including burying in soil and overlapping and locating the first protective tube outside the gas release pipe, the internal diameter of first protective tube is greater than the external diameter of gas release pipe.
2. The compensation structure of claim 1, wherein the expansion pipe comprises: the first protection pipe is one of a double-wall corrugated pipe, a PE pipe and a PVC pipe.
3. The compensation structure of claim 1, wherein the expansion pipe comprises: the hot water pipeline heat insulation device is characterized by further comprising a second protection pipe sleeved outside the air release pipe, the second protection pipe is fixedly connected to the hot water pipeline, the inner diameter of the first protection pipe is larger than the outer diameter of the second protection pipe, and heat insulation materials are filled in the second protection pipe.
4. The compensation structure for the directly buried hot water pipeline exhaust pipe according to claim 3, characterized in that: and an anticorrosive layer is arranged on the outer wall of the second protection pipe.
5. A compensating structure for a directly buried hot water pipe vent pipe according to claim 3, wherein: the second protection pipe is a steel sleeve and is fixedly connected to the hot water pipeline in a welding and sealing mode.
6. The compensation structure for the directly buried hot water pipeline exhaust pipe according to claim 3, characterized in that: and a first sealing end cap is arranged at the opening of the second protection tube.
7. The compensation structure of claim 6, wherein the expansion pipe comprises: the outside of hot water pipeline is equipped with the heat preservation, the hookup location of second protection tube and heat preservation is equipped with second sealed end cap.
8. The compensation structure of claim 7, wherein the expansion pipe comprises: the first sealing end cap and the second sealing end cap are both PE shrink end caps.
9. The compensation structure for the directly buried hot water pipeline exhaust pipe according to claim 4, characterized in that: the anticorrosive coating is a PE anticorrosive coating.
10. A compensating structure for a directly buried hot water pipe vent pipe according to claim 3, wherein: the heat insulation material is a polyurethane foam material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210385592.8A CN114962846A (en) | 2022-04-13 | 2022-04-13 | Be used for direct-burried hot water pipeline air release pipe compensation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210385592.8A CN114962846A (en) | 2022-04-13 | 2022-04-13 | Be used for direct-burried hot water pipeline air release pipe compensation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114962846A true CN114962846A (en) | 2022-08-30 |
Family
ID=82976898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210385592.8A Pending CN114962846A (en) | 2022-04-13 | 2022-04-13 | Be used for direct-burried hot water pipeline air release pipe compensation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114962846A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116085847A (en) * | 2023-01-06 | 2023-05-09 | 浙江城建煤气热电设计院股份有限公司 | A stabilising arrangement for installation of heat supply pipe network large-span |
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|---|---|---|---|---|
| CN2222282Y (en) * | 1994-01-24 | 1996-03-13 | 苏文玉 | Reinforced direct built-in corrugated expansion joint with expansion-compensation |
| CN2239561Y (en) * | 1996-03-29 | 1996-11-06 | 邢义广 | Full sealed anti-corrosion directly buried pipeline expansion device |
| JPH102480A (en) * | 1996-06-13 | 1998-01-06 | Cosmo Koki Co Ltd | Emergency water intake device for water pipe and installation method therefor |
| CN101093042A (en) * | 2007-06-18 | 2007-12-26 | 彩阳新材料制品（深圳）有限公司 | Expansion joint in use for pipeline in high temperature |
| CN102537577A (en) * | 2011-12-22 | 2012-07-04 | 大连益多管道有限公司 | Insulation structure of directly-buried high-temperature hot water sleeve compensator |
| CN102537594A (en) * | 2011-12-22 | 2012-07-04 | 大连益多管道有限公司 | Heat insulating structure of directly-buried middle-temperature and low-temperature hot water sleeve compensator |
| CN202598029U (en) * | 2012-05-22 | 2012-12-12 | 天津中浩供热工程有限公司 | Thermal insulation structure for prefabricated directly buried steam thermal insulation pipe |
| CN202660137U (en) * | 2012-05-30 | 2013-01-09 | 北京豪特耐管道设备有限公司 | Prefabricated direct burying high-temperature steam pipe compensation end cap |
| CN108397606A (en) * | 2017-02-04 | 2018-08-14 | 中国科学院上海应用物理研究所 | A kind of compensating connector of fused salt pipeline |
| CN112682605A (en) * | 2020-12-30 | 2021-04-20 | 中国电建集团河南省电力勘测设计院有限公司 | Direct-buried corrugated pipe compensator with adjustable connecting pipe installation gradient |
| CN215763903U (en) * | 2021-07-28 | 2022-02-08 | 华能伊敏煤电有限责任公司 | Corrugated compensation type long-distance heat supply pipeline exhaust pipe and connecting structure |
| CN217503043U (en) * | 2022-04-13 | 2022-09-27 | 浙江城建煤气热电设计院股份有限公司 | Be used for direct-burried hot water pipeline gas release pipe compensation structure |
-
2022
- 2022-04-13 CN CN202210385592.8A patent/CN114962846A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222282Y (en) * | 1994-01-24 | 1996-03-13 | 苏文玉 | Reinforced direct built-in corrugated expansion joint with expansion-compensation |
| CN2239561Y (en) * | 1996-03-29 | 1996-11-06 | 邢义广 | Full sealed anti-corrosion directly buried pipeline expansion device |
| JPH102480A (en) * | 1996-06-13 | 1998-01-06 | Cosmo Koki Co Ltd | Emergency water intake device for water pipe and installation method therefor |
| CN101093042A (en) * | 2007-06-18 | 2007-12-26 | 彩阳新材料制品（深圳）有限公司 | Expansion joint in use for pipeline in high temperature |
| CN102537577A (en) * | 2011-12-22 | 2012-07-04 | 大连益多管道有限公司 | Insulation structure of directly-buried high-temperature hot water sleeve compensator |
| CN102537594A (en) * | 2011-12-22 | 2012-07-04 | 大连益多管道有限公司 | Heat insulating structure of directly-buried middle-temperature and low-temperature hot water sleeve compensator |
| CN202598029U (en) * | 2012-05-22 | 2012-12-12 | 天津中浩供热工程有限公司 | Thermal insulation structure for prefabricated directly buried steam thermal insulation pipe |
| CN202660137U (en) * | 2012-05-30 | 2013-01-09 | 北京豪特耐管道设备有限公司 | Prefabricated direct burying high-temperature steam pipe compensation end cap |
| CN108397606A (en) * | 2017-02-04 | 2018-08-14 | 中国科学院上海应用物理研究所 | A kind of compensating connector of fused salt pipeline |
| CN112682605A (en) * | 2020-12-30 | 2021-04-20 | 中国电建集团河南省电力勘测设计院有限公司 | Direct-buried corrugated pipe compensator with adjustable connecting pipe installation gradient |
| CN215763903U (en) * | 2021-07-28 | 2022-02-08 | 华能伊敏煤电有限责任公司 | Corrugated compensation type long-distance heat supply pipeline exhaust pipe and connecting structure |
| CN217503043U (en) * | 2022-04-13 | 2022-09-27 | 浙江城建煤气热电设计院股份有限公司 | Be used for direct-burried hot water pipeline gas release pipe compensation structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116085847A (en) * | 2023-01-06 | 2023-05-09 | 浙江城建煤气热电设计院股份有限公司 | A stabilising arrangement for installation of heat supply pipe network large-span |
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Application publication date: 20220830 |
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