CN220060874U - Heat-insulating seamless steel pipe - Google Patents
Heat-insulating seamless steel pipe Download PDFInfo
- Publication number
- CN220060874U CN220060874U CN202321359712.3U CN202321359712U CN220060874U CN 220060874 U CN220060874 U CN 220060874U CN 202321359712 U CN202321359712 U CN 202321359712U CN 220060874 U CN220060874 U CN 220060874U
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- CN
- China
- Prior art keywords
- heat
- insulating
- steel pipe
- layer
- seamless steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 49
- 239000010959 steel Substances 0.000 title claims abstract description 49
- 239000010410 layer Substances 0.000 claims abstract description 49
- 238000004321 preservation Methods 0.000 claims abstract description 20
- 239000004698 Polyethylene Substances 0.000 claims abstract description 16
- -1 polyethylene Polymers 0.000 claims abstract description 16
- 229920000573 polyethylene Polymers 0.000 claims abstract description 16
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- 229910052918 calcium silicate Inorganic materials 0.000 claims abstract description 14
- 239000000378 calcium silicate Substances 0.000 claims abstract description 14
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002346 layers by function Substances 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 239000010438 granite Substances 0.000 claims abstract description 7
- 238000005507 spraying Methods 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
Abstract
The utility model discloses a heat-insulating seamless steel pipe which comprises an inner pipe and an outer pipe, wherein the inner pipe is positioned in the outer pipe, a functional layer is fixedly connected to the outer side of the circumference of the inner pipe and is fixed with the outer pipe, the functional layer comprises a microporous calcium silicate layer, a heat-insulating adhesive layer is sprayed on the outer side of the microporous calcium silicate layer, a polyethylene heat-insulating layer is sprayed on the outer side of the heat-insulating adhesive layer, a heat-insulating layer is sprayed on the outer wall of the circumference of the polyethylene heat-insulating layer, and granite is sprayed on the outer side of the heat-insulating layer. The steel pipe has excellent heat preservation performance through the multifunctional layer, improves the heat preservation performance of the steel pipe, is convenient for workers to position and install the steel pipe through the matching use of the positioning column and the jack, improves the guiding function of the device, can not easily corrode the steel pipe through the anti-corrosion coating, and prolongs the service life of the steel pipe.
Description
Technical Field
The utility model relates to the technical field of seamless steel pipes, in particular to a heat-insulating seamless steel pipe.
Background
Seamless steel pipes have a hollow cross section and are commonly used as pipes for transporting a plurality of fluids, some of which require heat preservation during transportation.
Through searching, chinese patent with publication number of CN102896813A discloses a composite coating seamless steel pipe, which comprises a hollow seamless steel pipe body, wherein an inner galvanized layer is arranged on the inner wall of the hollow seamless steel pipe body, the surface of the hollow seamless steel pipe body has enough hardness, and the hollow seamless steel pipe can be directly used as various rollers, is simple and practical, but has the following defects that the heat preservation effect of the steel pipe is poor, and the heat loss is large due to longer pipeline transportation, so the heat preservation effect is not good.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a heat-insulating seamless steel tube.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a thermal-insulated heat preservation seamless steel pipe, includes inner tube and outer tube, and the inner tube is located the inside of outer tube, the circumference outside fixedly connected with functional layer of inner tube, and the functional layer is fixed mutually with the outer tube, the functional layer includes micropore calcium silicate layer, and the outside spraying on micropore calcium silicate layer has thermal-insulated glue film, and the outside spraying on thermal-insulated glue film has the polyethylene heat preservation, and the circumference outer wall spraying on polyethylene heat preservation has the insulating layer, and the outside spraying on insulating layer has the granite layer, and the granite layer simultaneous spraying is at micropore calcium silicate layer, thermal-insulated glue film, polyethylene heat preservation and the both ends of insulating layer.
As a still further scheme of the utility model, the inner part of the inner tube is fixedly connected with a supporting frame.
As a still further aspect of the present utility model, an insulating sheath is sleeved on the outer circumference of the outer tube.
As a still further proposal of the utility model, the sides of the supporting frame are fixedly connected with fixing ribs.
As a still further proposal of the utility model, the two ends of the outer tube are welded with flanges.
As a still further scheme of the utility model, a plurality of mounting holes are formed in the flange plate, and the mounting holes are uniformly distributed.
As still further scheme of the utility model, the inside of the flange plate is provided with a jack, and one side of the flange plate is fixedly connected with a positioning column.
As a still further aspect of the present utility model, the circumferential inner wall of the inner tube is sprayed with an anti-corrosive coating.
The beneficial effects of the utility model are as follows:
1. through the setting of multi-functional layer, polyethylene heat preservation and thermal-insulated glue film can insulate against heat the object in the inner tube, and micropore calcium silicate layer is a novel heat preservation material, and it has advantages such as coefficient of heat conductivity is low, heat resistance is good, and the thermal-insulated heat preservation coating of thermal-insulated, has effects such as thermal-insulated heat preservation, waterproof, fire prevention, anticorrosive to make the steel pipe have good heat preservation performance, improved the heat preservation of steel pipe.
2. Through the cooperation of reference column and jack use, insert the reference column of one steel pipe in the jack of another steel pipe to make things convenient for the staff to fix a position the installation to the steel pipe, improved the guiding function of device.
3. Through the arrangement of the anti-corrosion coating, the anti-corrosion coating is made of low-pressure polyethylene, can resist corrosion of various acid and alkali and various salt solutions, so that the steel pipe is not easy to corrode, and the service life of the steel pipe is prolonged.
Drawings
Fig. 1 is a schematic perspective view of a heat-insulating seamless steel pipe according to the present utility model;
fig. 2 is a schematic diagram of the structure of an outer tube of a heat-insulating seamless steel tube according to the present utility model;
fig. 3 is a schematic diagram of a functional layer structure of a heat insulation seamless steel pipe according to the present utility model.
In the figure: 1. a support frame; 2. positioning columns; 3. a flange plate; 4. a jack; 5. an insulating sheath; 6. a mounting hole; 7. an outer tube; 8. a functional layer; 9. an inner tube; 10. an anti-corrosion coating; 11. fixing ribs; 12. a thermal insulation layer; 13. a polyethylene heat-insulating layer; 14. a heat insulation adhesive layer; 15. a microporous calcium silicate layer; 16. and a granite layer.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of the present utility model.
Referring to fig. 1-3, a heat-insulating seamless steel pipe comprises an inner pipe 9 and an outer pipe 7, wherein the inner pipe 9 is positioned inside the outer pipe 7, a functional layer 8 is adhered to the outer side of the circumference of the inner pipe 9, the functional layer 8 is fixed with the outer pipe 7, the functional layer 8 comprises a microporous calcium silicate layer 15, the microporous calcium silicate layer 15 is a novel heat-insulating material, and has the advantages of light volume weight, low heat conductivity, bending resistance, high compressive strength, good heat resistance, no toxicity, incombustibility, sawing, easy processing, no corrosion to steel pipes and equipment and the like, the outer side of the microporous calcium silicate layer 15 is sprayed with a heat-insulating adhesive layer 14, the heat-insulating adhesive layer 14 can insulate objects in the inner pipe 9, the outer side of the heat-insulating adhesive layer 14 is sprayed with a polyethylene heat-insulating layer 13, the cells of the polyethylene heat-insulating layer 13 are of a closed-cell structure, the heat-insulating, moisture-insulating, dew-proof, anti-aging and anti-aging properties are good, the outer wall of the circumference of the polyethylene heat-insulating layer 13 is sprayed with a heat-insulating layer 12, the heat-insulating layer 12 is a reflective heat-insulating paint, and the heat-insulating, and has the advantages of high efficiency, thin layer, heat insulation, decoration, fire resistance, corrosion resistance and corrosion resistance, so that the heat-insulating layer has excellent performance, and heat-insulating layer 16 and heat-insulating layer, heat-insulating layer 12.
In the utility model, the support frame 1 is fixed inside the inner pipe 9 through bolts, the support frame 1 enables the strength of the steel pipe to be higher, the insulation sheath 5 is sleeved on the outer side of the circumference of the outer pipe 7, the insulation sheath 5 can enable the steel pipe to have insulation performance, fixing ribs 11 are fixed on multiple sides of the support frame 1 through bolts, the flange 3 is welded at two ends of the outer pipe 7, a plurality of mounting holes 6 are formed in the flange 3, the mounting holes 6 are uniformly distributed, the steel pipe is conveniently fixed through the mounting holes 6 on the flange 3, the jack 4 is formed in the flange 3, the positioning column 2 is fixed on one side of the flange 3 through bolts, the positioning column 2 of one steel pipe is inserted into the jack 4 of the other steel pipe, so that the positioning and installation of the steel pipe are conveniently carried out by workers, the circumference inner wall of the inner pipe 9 is sprayed with an anti-corrosion coating 10, the anti-corrosion coating 10 is made of low-pressure polyethylene, and the anti-corrosion conditions of various acid and alkali and various salt solutions can be resisted, and the steel pipe is not easy to be corroded.
Working principle: when a heat-insulating seamless steel pipe is needed, the cells of the polyethylene heat-insulating layer 13 are of a closed cell structure, the heat-insulating layer 14 has good heat insulation, moisture preservation, condensation resistance, aging resistance and other characteristics, the heat-insulating layer 14 insulates objects in the inner pipe 9, the microporous calcium silicate layer 15 is a novel heat-insulating material, and has the advantages of light volume weight, low heat conductivity, fracture resistance, high compressive strength, good heat resistance, no toxicity, incombustibility, sawing, easiness in processing, corrosion resistance, steel pipe and equipment and the like, the granite layer 16 has the advantages of corrosion resistance and wear resistance, and the heat-insulating layer 12 is a reflective heat-insulating coating, has the effects of high efficiency, thin layer, heat insulation, decoration, water resistance, fire resistance, corrosion resistance and insulation, and thus the steel pipe has excellent heat-insulating property.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, it may be a mechanical connection; either directly or indirectly via an intermediary. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Claims (8)
1. The utility model provides a thermal-insulated heat preservation seamless steel pipe, includes inner tube (9) and outer tube (7), and inner tube (9) are located the inside of outer tube (7), a serial communication port, the circumference outside fixedly connected with functional layer (8) of inner tube (9), and functional layer (8) are fixed mutually with outer tube (7), functional layer (8) are including micropore calcium silicate layer (15), and the outside spraying on micropore calcium silicate layer (15) has thermal-insulated glue film (14), and the outside spraying on thermal-insulated glue film (14) has polyethylene heat preservation (13), and the circumference outer wall spraying on polyethylene heat preservation (13) has insulating layer (12), and the outside spraying on insulating layer (12) has granite layer (16), and granite layer (16) simultaneously the spraying at the both ends of micropore calcium silicate layer (15), thermal-insulated glue film (14), polyethylene heat preservation (13) and insulating layer (12).
2. A heat-insulating seamless steel pipe according to claim 1, characterized in that the inner part of the inner pipe (9) is fixedly connected with a supporting frame (1).
3. A heat-insulating seamless steel pipe according to claim 1, characterized in that the outer side of the circumference of the outer pipe (7) is sleeved with an insulating sheath (5).
4. A heat-insulating seamless steel pipe according to claim 2, characterized in that the sides of the supporting frame (1) are fixedly connected with fixing ribs (11).
5. A heat-insulating seamless steel pipe according to claim 1, characterized in that the flanges (3) are welded at both ends of the outer pipe (7).
6. The heat-insulating seamless steel pipe according to claim 5, wherein a plurality of mounting holes (6) are formed in the flange plate (3), and the mounting holes (6) are uniformly distributed.
7. The heat-insulating seamless steel tube according to claim 5, wherein the inside of the flange plate (3) is provided with a jack (4), and one side of the flange plate (3) is fixedly connected with a positioning column (2).
8. A heat-insulating seamless steel pipe according to claim 1, characterized in that the circumferential inner wall of the inner pipe (9) is sprayed with an anti-corrosion coating (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321359712.3U CN220060874U (en) | 2023-05-31 | 2023-05-31 | Heat-insulating seamless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321359712.3U CN220060874U (en) | 2023-05-31 | 2023-05-31 | Heat-insulating seamless steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220060874U true CN220060874U (en) | 2023-11-21 |
Family
ID=88754260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321359712.3U Active CN220060874U (en) | 2023-05-31 | 2023-05-31 | Heat-insulating seamless steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220060874U (en) |
-
2023
- 2023-05-31 CN CN202321359712.3U patent/CN220060874U/en active Active
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| GR01 | Patent grant | ||
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