CN215673991U - Prefabricated overhead anti-corrosion heat-insulation pipe capable of being quickly connected - Google Patents
Prefabricated overhead anti-corrosion heat-insulation pipe capable of being quickly connected Download PDFInfo
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- CN215673991U CN215673991U CN202122008371.2U CN202122008371U CN215673991U CN 215673991 U CN215673991 U CN 215673991U CN 202122008371 U CN202122008371 U CN 202122008371U CN 215673991 U CN215673991 U CN 215673991U
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- quickly connected
- corrosion
- insulation
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Abstract
The utility model discloses a prefabricated overhead anti-corrosion heat-insulation pipe capable of being quickly connected, which relates to the technical field of heat-insulation pipes and comprises a working inner pipe and an outer protective layer, wherein a heat-insulation anticorrosive layer is filled between the working inner pipe and the outer protective layer, a flange is welded at the pipe end of the working inner pipe, the working inner pipe is fixedly connected with another working inner pipe through a bolt, and a heat-shrinkable sleeve is sleeved at the butt joint of the pipe ends of the working inner pipes.
Description
Technical Field
The utility model relates to the technical field of heat preservation pipes, in particular to a prefabricated overhead corrosion-resistant heat preservation pipe capable of being quickly connected.
Background
The prefabricated overhead heat-insulating pipe is generally used for conveying liquid, gas and other media, and is widely applied to the fields of petroleum, chemical engineering, aerospace and the like, the butt joint part of the pipe ends of the traditional heat-insulating pipe is connected through welding, the phenomena of difficult disassembly and inconvenient operation exist during field operation, and the traditional heat-insulating pipe is in long-term use and has short service life due to the fact that a pipeline cannot be insulated and anticorrosive, and the heat-insulating effect is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a prefabricated overhead anti-corrosion heat-insulation pipe capable of being quickly connected, so as to solve the problems in the background art.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an anticorrosive insulating tube is maked somebody a mere figurehead to prefabricated built on stilts of ability high-speed joint, includes work inner tube and outer jacket, it has the heat preservation to fill between work inner tube and the outer jacket, the pipe end welding of work inner tube has the ring flange, the work inner tube passes through bolt and another work inner tube fixed connection, the pipe end butt joint department cover of work inner tube is equipped with the pyrocondensation cover.
Preferably, the working inner pipe is an anti-corrosion steel pipe, namely a steel pipe with a 3PE anti-corrosion coating.
Preferably, an insulating gasket is arranged at the joint of the flange of the working inner pipe and the flange of the other adjacent working inner pipe.
Preferably, the outer protective layer is a galvanized iron sheet outer protective layer, the outer part of the outer protective layer is of a spiral forming structure, and the structure is good in overall bending resistance.
Preferably, the heat insulation layer is made of polyurethane foam.
Preferably, the bolt is sleeved with an insulating sleeve.
Preferably, the inner diameters of sleeve openings at two ends of the heat-shrinkable sleeve are larger than the inner diameter of the joint of the middle position of the heat-shrinkable sleeve and the pipe end of the working inner pipe, the heat-shrinkable sleeve is made by compounding an irradiation cross-linked polyethylene material and a hot melt adhesive, and the heat-shrinkable sleeve plays a role in preventing chemical corrosion on the steel working inner pipe.
The substantial effects of the utility model are as follows: firstly, the utility model realizes the quick connection and convenient disassembly of two adjacent heat preservation pipes through the welded flange plates; secondly, this utility model discloses a thermal shrinkable sleeve through anticorrosive steel pipe and design has realized the anticorrosive and insulating effect of insulating tube well with insulating part, has increased the life of insulating tube, simple structure, convenient to popularize and use.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of a heat shrinkable sleeve according to the present invention.
Labeled as: 1-a working inner pipe, 2-an outer protective layer, 3-a heat insulation layer, 4-a flange plate, 5-a bolt, 6-a heat-shrinkable sleeve and 7-an insulating gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1-3, a prefabricated overhead anticorrosion heat-insulating pipe capable of being quickly connected comprises a working inner pipe 1 and an outer protective layer 2, wherein a heat-insulating layer 3 is filled between the working inner pipe 1 and the outer protective layer 2, a flange plate 4 is welded at the pipe end of the working inner pipe 1, the working inner pipe 1 is fixedly connected with another working inner pipe 1 through a bolt 5, and a heat-shrinkable sleeve 6 is sleeved at the butt joint of the pipe ends of the working inner pipes 1.
Example 2:
on the basis of the embodiment 1, the working inner pipe 1 is an anticorrosion steel pipe, namely a steel pipe with a 3PE anticorrosion coating.
Example 3:
on the basis of the embodiment 1, an insulating gasket 7 is arranged at the butt joint of the working inner pipe 1 and the flange plate 4 of another adjacent working inner pipe 1.
Example 4:
on the basis of the embodiment 1, the outer protective layer 2 is a galvanized iron sheet outer protective layer, and the outer part of the outer protective layer is a spiral forming structure, so that the structure has better integral bending resistance.
Example 5:
on the basis of the embodiment 1, the heat insulation layer 3 is made of polyurethane foam.
Example 6:
on the basis of the embodiment 1, the bolt 5 is sleeved with an insulating sleeve.
Example 7:
on the basis of the embodiment 1, the inner diameter of the sleeve openings at the two ends of the heat shrinkable sleeve 6 is larger than the inner diameter of the butt joint part of the middle position of the heat shrinkable sleeve 6 and the pipe end of the working inner pipe 1, and the heat shrinkable sleeve 6 is made by compounding an irradiation cross-linked polyethylene material and a hot melt adhesive and plays a role in preventing chemical corrosion on the steel working inner pipe 1.
When the prefabricated overhead anti-corrosion heat-insulation pipe capable of being quickly connected is used, the heat-shrinkable sleeve 6 is sleeved at the butt joint position of the pipe ends of the working inner pipes 1, then the flange plates 4 welded at the pipe ends of the working inner pipes 1 are in butt joint with the flange plates 4 welded at the pipe ends of the adjacent other working inner pipes 1 through the insulating gaskets 7, the insulating sleeves are sleeved on the bolts 5 and penetrate through the two flange plates 4 to be screwed and fixed.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (7)
1. The utility model provides an anticorrosive insulating tube is maked somebody a mere figurehead to prefabricated built on stilts of ability high-speed joint, includes work inner tube (1) and outer jacket (2), its characterized in that, it has heat preservation (3) to fill between work inner tube (1) and outer jacket (2), the pipe end welding of work inner tube (1) has ring flange (4), work inner tube (1) is through bolt (5) and another work inner tube (1) fixed connection, the pipe end butt joint department cover of work inner tube (1) is equipped with pyrocondensation cover (6).
2. The prefabricated overhead corrosion-resistant heat-insulation pipe capable of being quickly connected according to claim 1, wherein the working inner pipe (1) is a corrosion-resistant steel pipe.
3. The prefabricated overhead corrosion-resistant heat-insulation pipe capable of being quickly connected according to claim 1, wherein an insulating gasket (7) is arranged at the butt joint of the working inner pipe (1) and the flange (4) of another adjacent working inner pipe (1).
4. The prefabricated overhead corrosion-resistant heat-preservation pipe capable of being quickly connected according to claim 1, wherein the outer protective layer (2) is a galvanized iron sheet outer protective layer and the outer part of the galvanized iron sheet outer protective layer is of a spiral forming structure.
5. The prefabricated overhead corrosion-resistant heat-insulation pipe capable of being quickly connected according to claim 1, wherein the heat-insulation layer (3) is made of polyurethane foam.
6. The prefabricated overhead corrosion-resistant heat-insulation pipe capable of being quickly connected according to claim 1, wherein an insulating sleeve is sleeved on the bolt (5).
7. The prefabricated overhead anti-corrosion heat-insulation pipe capable of being quickly connected according to claim 1, wherein the inner diameter of the sleeve openings at two ends of the heat-shrinkable sleeve (6) is larger than the inner diameter of the joint of the middle position of the heat-shrinkable sleeve (6) and the pipe end of the working inner pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122008371.2U CN215673991U (en) | 2021-08-24 | 2021-08-24 | Prefabricated overhead anti-corrosion heat-insulation pipe capable of being quickly connected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122008371.2U CN215673991U (en) | 2021-08-24 | 2021-08-24 | Prefabricated overhead anti-corrosion heat-insulation pipe capable of being quickly connected |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673991U true CN215673991U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202122008371.2U Active CN215673991U (en) | 2021-08-24 | 2021-08-24 | Prefabricated overhead anti-corrosion heat-insulation pipe capable of being quickly connected |
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| CN (1) | CN215673991U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116576340A (en) * | 2023-07-11 | 2023-08-11 | 河北海润管道制造有限公司 | Corrosion-resistant heat-insulating pipeline |
-
2021
- 2021-08-24 CN CN202122008371.2U patent/CN215673991U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116576340A (en) * | 2023-07-11 | 2023-08-11 | 河北海润管道制造有限公司 | Corrosion-resistant heat-insulating pipeline |
| CN116576340B (en) * | 2023-07-11 | 2023-09-12 | 河北海润管道制造有限公司 | Corrosion-resistant heat-insulating pipeline |
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