CN212361077U - High leakproofness direct-burried insulating tube - Google Patents
High leakproofness direct-burried insulating tube Download PDFInfo
- Publication number
- CN212361077U CN212361077U CN202020667278.5U CN202020667278U CN212361077U CN 212361077 U CN212361077 U CN 212361077U CN 202020667278 U CN202020667278 U CN 202020667278U CN 212361077 U CN212361077 U CN 212361077U
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- CN
- China
- Prior art keywords
- pipe
- heat
- inner pipe
- layer
- connecting flange
- 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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- 230000001681 protective effect Effects 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 9
- 238000004321 preservation Methods 0.000 abstract description 26
- 239000012535 impurity Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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- Thermal Insulation (AREA)
Abstract
The utility model discloses a high-sealing direct-buried heat preservation pipe, which comprises an inner pipe for conveying a medium, a heat preservation layer wrapped on a steel pipe and an outer pipe wrapped with the heat preservation layer; the length of the inner pipe is greater than that of the heat-insulating layer and the outer pipe, and the heat-insulating layer and the outer pipe are not wrapped at the two ends of the inner pipe; both ends of the inner pipe are provided with connecting flanges; one side surface of the connecting flange is welded with the inner pipe, the other side surface of the connecting flange is provided with an annular groove, and the connecting flange is provided with a plurality of screw holes; a flange gasket is arranged in the circular groove; protective covers are further sleeved at two ends of the inner pipe, and the protective covers are sleeved with thermal shrinkage sleeve connectors.
Description
Technical Field
The utility model relates to a high leakproofness direct-burried insulating tube belongs to pipeline technical field.
Background
The heat-insulating pipe is a short name of heat-insulating pipeline, is used for conveying liquid, gas and other media, and is used in heat-insulating engineering of pipelines of petroleum, chemical engineering, aerospace, military, central heating, central air conditioning, municipal administration and the like. In the engineering, a section of the heat preservation pipe is connected together to form a pipeline, so that the medium is conveyed. The tightness problem of the connection between the heat preservation pipes is a key problem of pipeline conveying, and is related to whether the medium can be safely and smoothly conveyed to a required place. However, the existing heat preservation pipes are connected by using heat-shrinkable sleeve connectors, and the joints are easily connected insecurely to generate leakage holes or have poor tightness, so that medium leakage is caused. In addition, after the existing heat preservation pipe is manufactured, two ends of the heat preservation pipe are opened, impurities enter the pipeline in the transportation process and the like, the heat preservation pipe is possibly damaged, the sealing performance of the heat preservation pipe is damaged, and the conveying medium is mixed with the impurities.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high leakproofness direct-burried insulating tube connects through the flange that sets up between the insulating tube, has guaranteed the leakproofness.
An object of the utility model is to provide a high leakproofness direct-burried insulating tube adds through the inner tube both ends at the insulating tube and establishes the protective cover, guarantees not to have the foreign matter to get into the pipeline in the transportation.
The utility model aims to provide a high-sealing direct-buried heat-insulating pipe, which comprises an inner pipe for conveying a medium, a heat-insulating layer wrapped on a steel pipe and an outer pipe wrapped with the heat-insulating layer; the length of the inner pipe is greater than that of the heat-insulating layer and the outer pipe, and the heat-insulating layer and the outer pipe are not wrapped at the two ends of the inner pipe; both ends of the inner pipe are provided with connecting flanges; one side surface of the connecting flange is welded with the inner pipe, the other side surface of the connecting flange is provided with an annular groove, and the connecting flange is provided with a plurality of screw holes; a flange gasket is arranged in the circular groove;
protective covers are further sleeved at two ends of the inner pipe, and the protective covers are sleeved with thermal shrinkage sleeve connectors.
The utility model discloses technical scheme's further improvement lies in: the protective cover comprises a circular bottom plate, an inner ring and an outer ring which are arranged on the same side face of the circular bottom plate; the inner ring, the outer ring and the circular bottom plate are positioned on the same central shaft, and the distance between the inner ring and the outer ring is equal to the thickness of the connecting flange; and the other side surface of the protective cover is provided with a handle.
The utility model discloses technical scheme's further improvement lies in: and a reflecting layer is arranged between the heat-insulating layer and the outer pipe.
The utility model discloses technical scheme's further improvement lies in: the inner pipe is a steel pipe, the heat-insulating layer is polyurethane foam, and the outer pipe is a polyethylene outer protecting pipe.
The utility model discloses technical scheme's further improvement lies in: the outer pipe is coated with an anti-corrosion layer, and the inner pipe is coated with an anti-corrosion layer.
The utility model discloses high leakproofness direct-burried insulating tube's beneficial effect does:
the utility model discloses the both ends of the inner tube of insulating tube set up flange, have guaranteed the firm of being connected between insulating tube and the insulating tube. The flange gasket is arranged on the connecting flanges, so that the sealing performance between the connecting flanges is guaranteed. The sealing performance between the connecting flanges is further ensured through the thermal shrinkage sleeve connectors on the connecting flanges.
The utility model discloses the security of transportation has been guaranteed at the both ends of insulating tube to the protective cover lid that sets up, has avoided impurity to get into the inner tube.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the heat preservation pipe with one end of the protective cover removed;
fig. 3 is a perspective view of the protective cover of the present invention.
Description of the reference numerals
1. The heat-shrinkable sleeve comprises an inner pipe, 2, a heat-insulating layer, 3, an outer pipe, 4, a connecting flange, 5, a protective cover, 5-1, a circular bottom plate, 5-2, an outer ring, 5-3, an inner ring, 6, a heat-shrinkable sleeve connector, 7, a handle, 8 and a flange gasket.
Detailed Description
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
An object of the utility model is to provide a high leakproofness direct-burried insulating tube connects through the flange that sets up between the insulating tube, has guaranteed the leakproofness.
An object of the utility model is to provide a high leakproofness direct-burried insulating tube adds through the inner tube both ends at the insulating tube and establishes the protective cover, guarantees not to have the foreign matter to get into the pipeline in the transportation.
Specific example 1:
an object of the utility model is to provide a high leakproofness direct-burried insulating tube, including inner tube 1, heat preservation 2 and outer tube 3, as shown in fig. 1, fig. 2. The outside parcel of inner tube 1 has heat preservation 2, and the outside parcel of heat preservation 2 has outer tube 3. The length of the heat preservation layer 2 is the same as that of the outer pipe 3, and the length of the inner pipe 1 is larger than that of the heat preservation layer 2 and that of the outer pipe 3. The heat-insulating layer 1 and the outer pipe 3 are positioned in the middle of the inner pipe 1. The two ends of the inner pipe 1 are not wrapped with the insulating layer 2 and the outer pipe 3. The heat-insulating layer 2 is made of polyurethane foam, and the outer pipe 3 is a polyethylene outer protecting pipe.
The inner pipe 1 is a conduit for transporting a medium. In the present invention, the inner tube 1 is a steel tube. Both ends of the inner pipe 1 are provided with connecting flanges 4. The connecting flange 4 is welded to the inner pipe 1. One side surface of the connecting flange 4 is welded with the inner pipe 1, and the other side surface is provided with a circular groove. And a flange gasket 8 is arranged in the annular groove to ensure the tightness of the interface when the two sections of heat preservation pipes are connected. The connection flange 4 is provided with a number of screw holes (not shown in the figure).
The both ends of inner tube 1 still overlap and establish protective cover 5, and protective cover 5 plugs up the opening of inner tube 1. As shown in fig. 3. The heat preservation pipe is guaranteed to be in a closed state from the place where the heat preservation pipe is produced to the whole process of using the heat preservation pipe, and therefore the heat preservation pipe can be well protected.
The protective cover 5 is provided with a thermal shrinkage sleeve interface 6.
Specific example 2:
this embodiment has substantially the same structure as embodiment 1, and the following differences will be described in detail:
in this embodiment, the outer walls of the outer tube 3 and the inner tube 1 are coated with an anti-corrosion layer (not shown) to increase their corrosion resistance.
A reflecting layer (not shown in the figure) is arranged between the heat-insulating layer 2 and the outer pipe 3, and the reflecting layer is made of aluminum foil.
The protective cover 5 comprises a circular bottom plate 5-1, an inner ring 5-3 and an outer ring 5-2 which are arranged on the same side of the circular bottom plate 5-1, as shown in figure 3; the inner ring 5-3, the outer ring 5-2 and the circular bottom plate 5-1 are positioned on the same central axis, and the distance between the inner ring 5-3 and the outer ring 5-2 is equal to the thickness of the connecting flange 4, so that the protective cover 5 can cover the connecting flange 4. The other side of the protecting cover 5 is provided with a grip 7. The protective cover 5 is covered on the heat preservation pipe or taken down from the heat preservation pipe through a handle 7.
The specific implementation process is as follows, the heat preservation pipe is transported to a place needing to be buried underground, when the heat preservation pipe needs to be connected, the heat-shrinkable oversleeve connector 6 on the protective cover 5 is taken down, the heat-shrinkable oversleeve connector 6 is sleeved on the inner pipe 1, the protective cover 5 is taken away, and the heat preservation pipe is connected and fixed in a section by section through the connecting flange 4. And then moving the heat-shrinkable sleeve connector 6 to the joint of the connecting flanges 4 of the two sections of heat-insulating pipes, sleeving the joint by the heat-shrinkable sleeve connector 4, and carrying out heat treatment on the joint to firmly fix the heat-shrinkable sleeve connector 6 on the connecting flanges 4, thereby further ensuring the connection tightness of the heat-insulating pipes.
The utility model discloses the both ends of the inner tube of insulating tube set up flange, have guaranteed the firm of being connected between insulating tube and the insulating tube. The flange gasket is arranged on the connecting flanges, so that the sealing performance between the connecting flanges is guaranteed. The sealing performance between the connecting flanges is further ensured through the thermal shrinkage sleeve connectors on the connecting flanges.
The utility model discloses the security of transportation has been guaranteed at the both ends of insulating tube to the protective cover lid that sets up, has avoided impurity to get into the inner tube.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A high-sealing-performance direct-buried heat-insulation pipe is characterized by comprising an inner pipe for conveying a medium, a heat-insulation layer wrapped on a steel pipe and an outer pipe wrapped with the heat-insulation layer; the length of the inner pipe is greater than that of the heat-insulating layer and the outer pipe, and the heat-insulating layer and the outer pipe are not wrapped at the two ends of the inner pipe; both ends of the inner pipe are provided with connecting flanges; one side surface of the connecting flange is welded with the inner pipe, the other side surface of the connecting flange is provided with an annular groove, and the connecting flange is provided with a plurality of screw holes; a flange gasket is arranged in the circular groove;
protective covers are further sleeved at two ends of the inner pipe, and the protective covers are sleeved with thermal shrinkage sleeve connectors.
2. The high-sealing directly-buried thermal insulation pipe according to claim 1, wherein the protective cover comprises a circular bottom plate, an inner ring and an outer ring arranged on the same side of the circular bottom plate; the inner ring, the outer ring and the circular bottom plate are positioned on the same central shaft, and the distance between the inner ring and the outer ring is equal to the thickness of the connecting flange; and the other side surface of the protective cover is provided with a handle.
3. The high-sealability direct-burried thermal insulation pipe according to claim 1, wherein a reflective layer is arranged between the thermal insulation layer and the outer pipe.
4. The high-sealability direct-burried thermal insulation pipe according to claim 1, wherein the inner pipe is a steel pipe, the thermal insulation layer is polyurethane foam, and the outer pipe is a polyethylene outer protective pipe.
5. The high-sealability buried thermal insulation pipe of any one of claims 1 to 4, wherein the outer pipe is coated with a corrosion-resistant layer and the inner pipe is coated with a corrosion-resistant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020667278.5U CN212361077U (en) | 2020-04-27 | 2020-04-27 | High leakproofness direct-burried insulating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020667278.5U CN212361077U (en) | 2020-04-27 | 2020-04-27 | High leakproofness direct-burried insulating tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212361077U true CN212361077U (en) | 2021-01-15 |
Family
ID=74134301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020667278.5U Active CN212361077U (en) | 2020-04-27 | 2020-04-27 | High leakproofness direct-burried insulating tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212361077U (en) |
-
2020
- 2020-04-27 CN CN202020667278.5U patent/CN212361077U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A High Sealing Directly Buried Insulation Pipe Effective date of registration: 20230811 Granted publication date: 20210115 Pledgee: Qinhuangdao Bank Co.,Ltd. Beidaying Branch Pledgor: Qinhuangdao Heat Preservation Engineering Co.,Ltd. Registration number: Y2023980051847 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210115 Pledgee: Qinhuangdao Bank Co.,Ltd. Beidaying Branch Pledgor: Qinhuangdao Heat Preservation Engineering Co.,Ltd. Registration number: Y2023980051847 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high sealing buried insulation pipe Granted publication date: 20210115 Pledgee: Qinhuangdao Bank Co.,Ltd. Beidaying Branch Pledgor: Qinhuangdao Heat Preservation Engineering Co.,Ltd. Registration number: Y2024980042698 |