CN215408503U - Direct-connected aerogel heat insulation oil casing - Google Patents
Direct-connected aerogel heat insulation oil casing Download PDFInfo
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- CN215408503U CN215408503U CN202121765564.6U CN202121765564U CN215408503U CN 215408503 U CN215408503 U CN 215408503U CN 202121765564 U CN202121765564 U CN 202121765564U CN 215408503 U CN215408503 U CN 215408503U
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Abstract
The utility model relates to a direct-connected aerogel heat-insulating oil sleeve, which comprises an inner pipe and an outer pipe, wherein the outer pipe is sleeved outside the inner pipe, an inner thread is arranged in an inner hole at the right end of the inner pipe, the outer wall at the left end of the inner pipe is in a step shape, a conical connecting surface is arranged at the step position of the outer wall at the left end of the inner pipe, a first welding spot is arranged at the end part at the left end of the outer pipe and the outer wall of the inner pipe, a second welding spot is arranged at the end part at the right end of the outer pipe and the outer wall of the inner pipe, a concave limiting table is arranged on the left side of the first welding spot, the left side of the first welding spot extends to the top of the concave limiting table, an outer thread is arranged on the outer wall of the inner pipe on the left side of the concave limiting table, and an aerogel heat-insulating layer is arranged between the outer wall of the inner pipe and the inner wall of the outer pipe. The utility model ensures the strength of the threaded connection; the welding spot structures at the two ends are positioned on the outer surface of the pipe body, so that the quality of a welding seam in the welding process is convenient to control; when the well is lowered, the external thread end and the internal thread are connected, the welding point cannot be collided, the thread damage is caused, and thread sticking and well falling accidents are effectively prevented.
Description
Technical Field
The utility model relates to a direct-connected aerogel heat insulation oil casing, and belongs to the technical field of oil exploitation equipment.
Background
With the continuous development of the oil exploitation industry and the continuous increase of the oil consumption, the exploitation of thick oil has become a main yield source of oil companies at home and abroad, and a heat insulation oil casing is commonly used in the thick oil exploitation process. Present thermal-insulated oil sleeve pipe includes outer tube and inner tube, be equipped with the aerogel insulating layer between outer tube and the inner tube, outer tube and inner tube welding are in the same place, but in order to connect two sections thermal-insulated oil sleeve pipes, generally can set up the internal thread in inner tube one end, set up the external screw thread in outer tube one end, must cause the whole diameter increase of pipeline like this, and present sleeve pipe splice sets up in the inboard, not only the welding is more troublesome, and damage the screw thread when the installation easily, and be damaged by steam flush easily, cause thermal-insulated oil sleeve pipe to damage.
SUMMERY OF THE UTILITY MODEL
The utility model provides a direct-connected aerogel heat-insulating oil sleeve, which solves the problems that the welding part of the conventional sleeve is arranged at the inner side, the welding is troublesome, the thread is easy to damage during installation, and the heat-insulating oil sleeve is easy to damage due to steam scouring.
The utility model relates to a direct-connected aerogel heat-insulating oil sleeve, which comprises an inner pipe and an outer pipe, wherein the outer wall of the right end of the inner pipe and an inner hole are in a step shape, a conical connecting part is arranged at the step position of the outer wall of the right end of the inner pipe and the inner hole, the outer pipe is sleeved outside the inner pipe, an inner thread is arranged in the inner hole of the right end of the inner pipe, the outer wall of the left end of the inner pipe is in a step shape, a conical connecting surface is arranged at the step position of the outer wall of the left end of the inner pipe, a first welding spot is arranged at the end part of the left end of the outer pipe and the outer wall of the inner pipe, a second welding spot is arranged at the end part of the right end of the outer pipe and the outer wall of the inner pipe, a concave limiting platform is arranged on the left side of the first welding spot, the left side of the first welding spot extends to the top of the concave limiting platform, an external thread is arranged on the outer wall of the inner pipe, an annular space is arranged between the outer wall of the inner pipe, and an aerogel heat-insulating layer fixed on the outer wall of the inner pipe is arranged in the annular space.
Preferably, the inner hole wall of the inner tube at the right end of the internal thread is provided with a frustum cone shaped inlet, and the outer wall of the left end of the inner tube is provided with a chamfer. The external thread is inserted in the internal thread when making things convenient for two thermal-insulated oil casing to connect. The inner pipe and the outer pipe are respectively of an integral structure.
Preferably, the right-hand member outside of inner tube is equipped with the spacing round platform of spacing outer tube right-hand member, can utilize the spacing round platform to carry out quick location when the outer tube embolias the inner tube, convenient rapid Assembly to solder joint two sets up in the region that outer tube right-hand member, spacing round platform top formed, and the solder joint is more pleasing to the eye, and welding speed is faster, and efficiency is higher, and the welding seam is easy to the accuse quality.
Preferably, the aerogel insulating layer is on the inner tube outer wall of aluminium foil aerogel or glass fiber aerogel winding in the annular space, and the outside of aerogel insulating layer is equipped with a plurality of clamping rings. Prevent that aerogel insulating layer from droing. The pressing ring can be easily pulled by using iron. The welding seam structures at the two ends are positioned on the outer surface of the pipe body, so that the quality of the welding seam in the welding process is controlled conveniently. The inner pipe and the outer pipe of the internal thread end are both in a pipe end thickening form, and a certain annular space is reserved between the outer pipe and the inner pipe after the outer pipe is turned, so that aerogel thermal insulation materials can be filled, and vacuumizing treatment is facilitated. The inner pipe and the outer pipe of internal thread end all adopt the pipe end thickening form, closely laminate with the inner pipe after the outer pipe turning, need not pass through the welding supporting pad, and welding strength is high.
The utility model has the following beneficial effects:
the inner pipe and the outer pipe at the inner thread end can be thickened as required by adopting a direct connection type structure, so that the strength of threaded connection is ensured; the outer pipe is tightly attached to the inner pipe after being turned, a support pad does not need to be welded, and the welding strength is high; the welding spot structures at the two ends are positioned on the outer surface of the pipe body, so that the control of the quality of a welding seam in the welding process is facilitated, and the pipe body is not easily damaged by steam scouring; the internal thread end solder joint structure all is located the body surface, and when can preventing the operation of going into the well, can not collide the solder joint department during external screw thread end and female connection, the screw thread damage that leads to, the effectual screw thread gluing that prevents and the emergence of falling the well accident, the solder joint department of external screw thread end is equipped with recessed spacing platform, can control welded position when the welding, and the solder joint is regular more pleasing to the eye to prevent that the welding from excessively can not keep enough thread machining space.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
in the figure: 1. an inner tube; 2. welding a first welding point; 3. an annulus; 4. a tapered connection portion; 5. an outer tube; 6. welding spots II; 7. an internal thread; 8. an inlet; 9. a limiting round table; 10. chamfer, 11, clamping ring, 12, inner tube, 13, aerogel insulating layer, 14, toper connection face, 15, recessed spacing platform.
Detailed Description
The present invention will be further described with reference to the following examples.
Embodiment 1, as shown in fig. 1 to 2, the utility model is a direct-connected aerogel heat insulation oil sleeve, comprising an inner tube 12 and an outer tube 5, wherein the outer wall and the inner hole of the right end of the inner tube 12 are both in a step shape, a tapered connecting portion 4 is arranged at the step of the outer wall and the inner hole of the right end of the inner tube 12, the outer tube 5 is sleeved outside the inner tube 12, an internal thread 7 is arranged in the inner hole of the right end of the inner tube 12, the outer wall of the left end of the inner tube 12 is in a step shape, a tapered connecting surface 14 is arranged at the step of the outer wall of the left end of the inner tube 12, a first welding point 2 is arranged at the left end of the outer tube 5 and the outer wall of the inner tube 12, a second welding point 6 is arranged at the right end of the outer tube 5 and the outer wall of the inner tube 12, a concave limiting table 15 is arranged at the left side of the first welding point 2, the left side of the first welding point extends to the top of the concave limiting table 15, an external thread 1 is arranged on the outer wall of the inner tube 12, and an annular space 3 is arranged between the inner wall of the outer tube 5, an aerogel heat insulation layer 13 fixed on the outer wall of the inner pipe 12 is arranged in the annular space 3.
The inner hole wall of the inner tube 12 at the right end of the internal thread 7 is provided with a frustum cone shaped inlet 8, and the outer wall of the left end of the inner tube 12 is provided with a chamfer 10.
The working principle is as follows: the inner pipe and the outer pipe at the inner thread end can be thickened as required by adopting a direct connection type structure, so that the strength of threaded connection is ensured; the outer pipe is tightly attached to the inner pipe after being turned, a support pad does not need to be welded, and the welding strength is high; the welding spot structures at the two ends are positioned on the outer surface of the pipe body, so that the control of the quality of a welding seam in the welding process is facilitated, and the pipe body is easily damaged by steam scouring; the internal thread end solder joint structure all is located the body surface, and when can preventing the operation of going into the well, can not collide the solder joint department during external screw thread end and female connection, the screw thread damage that leads to, the effectual screw thread gluing that prevents and the emergence of falling the well accident, the solder joint department of external screw thread end is equipped with recessed spacing platform, can control welded position when the welding, and the solder joint is regular more pleasing to the eye to prevent that the welding from excessively can not keep enough thread machining space.
In embodiment 2, based on embodiment 1, the limiting round table 9 for limiting the right end of the outer tube 5 is arranged outside the right end of the inner tube 12, and the second welding point 6 is arranged in the area formed by the right end of the outer tube 5 and the limiting round table 9.
When the outer pipe sleeve is arranged on the inner pipe, the limiting round table can be utilized to rapidly limit the outer pipe, rapid assembly is completed, and assembly efficiency is improved.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are for convenience only to describe the present invention without requiring the present invention to be necessarily constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (4)
1. A direct-connected aerogel thermal insulation oil casing, includes inner tube (12) and outer tube (5), its characterized in that: the outer wall of the right end of the inner pipe (12) and the inner hole are both in a step shape, the step part of the outer wall of the right end of the inner pipe (12) and the inner hole is provided with a conical connecting part (4), the outer pipe (5) is sleeved outside the inner pipe (12), the inner hole of the right end of the inner pipe (12) is provided with an internal thread (7), the outer wall of the left end of the inner pipe (12) is in a step shape, the step part of the outer wall of the left end of the inner pipe (12) is provided with a conical connecting surface (14), the left end part of the outer pipe (5) and the outer wall of the inner pipe (12) are provided with a welding spot II (6), the left side of the welding spot I (2) is provided with a concave limiting platform (15), the left side of the welding spot I (2) extends to the top of the concave limiting platform (15), the outer wall of the inner pipe (12) on the left side of the concave limiting platform (15) is provided with an external thread (1), and an annular space (3) is arranged between the outer wall of the inner pipe (12) and the inner wall of the outer pipe (5), an aerogel heat-insulating layer (13) fixed on the outer wall of the inner pipe (12) is arranged in the annular space (3).
2. The direct connect aerogel thermal barrier oil sleeve of claim 1, wherein: the inner hole wall of the inner tube (12) at the right end of the internal thread (7) is provided with a frustum cone shaped inlet (8), and the outer wall of the left end of the inner tube (12) is provided with a chamfer (10).
3. The direct connect aerogel thermal barrier oil sleeve of claim 2, wherein: the outer side of the right end of the inner pipe (12) is provided with a limiting round table (9) for limiting the right end of the outer pipe (5), and the second welding spot (6) is arranged in an area formed by the right end of the outer pipe (5) and the top of the limiting round table (9).
4. The direct connect aerogel thermal barrier oil sleeve of claim 3, wherein: aerogel insulating layer (13) are on inner tube (12) outer wall in annular space (3) for aluminium foil aerogel or glass fiber aerogel winding, and the outside of aerogel insulating layer (13) is equipped with a plurality of clamping rings (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121765564.6U CN215408503U (en) | 2021-07-30 | 2021-07-30 | Direct-connected aerogel heat insulation oil casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121765564.6U CN215408503U (en) | 2021-07-30 | 2021-07-30 | Direct-connected aerogel heat insulation oil casing |
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| Publication Number | Publication Date |
|---|---|
| CN215408503U true CN215408503U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121765564.6U Active CN215408503U (en) | 2021-07-30 | 2021-07-30 | Direct-connected aerogel heat insulation oil casing |
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| CN (1) | CN215408503U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263201A (en) * | 2022-08-03 | 2022-11-01 | 山东美生热能科技有限公司 | Heat insulation oil sleeve with vacuum self-checking function |
| CN115255732A (en) * | 2022-08-03 | 2022-11-01 | 山东美生热能科技有限公司 | Novel vacuum sealing device for heat insulation oil sleeve |
| CN117780267A (en) * | 2024-02-26 | 2024-03-29 | 胜利油田胜机石油装备有限公司 | Novel aerogel heat insulation oil sleeve |
| CN117780267B (en) * | 2024-02-26 | 2024-04-30 | 胜利油田胜机石油装备有限公司 | Novel aerogel heat insulation oil sleeve |
-
2021
- 2021-07-30 CN CN202121765564.6U patent/CN215408503U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263201A (en) * | 2022-08-03 | 2022-11-01 | 山东美生热能科技有限公司 | Heat insulation oil sleeve with vacuum self-checking function |
| CN115255732A (en) * | 2022-08-03 | 2022-11-01 | 山东美生热能科技有限公司 | Novel vacuum sealing device for heat insulation oil sleeve |
| CN115255732B (en) * | 2022-08-03 | 2023-06-02 | 山东美生热能科技有限公司 | Novel vacuum sealing device for heat-insulating oil sleeve |
| CN117780267A (en) * | 2024-02-26 | 2024-03-29 | 胜利油田胜机石油装备有限公司 | Novel aerogel heat insulation oil sleeve |
| CN117780267B (en) * | 2024-02-26 | 2024-04-30 | 胜利油田胜机石油装备有限公司 | Novel aerogel heat insulation oil sleeve |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force 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: Direct connection aerogel insulated oil casing Effective date of registration: 20230728 Granted publication date: 20220104 Pledgee: Zibo Branch of Bank of Communications Co.,Ltd. Pledgor: SHANDONG MEISHENG THERMAL ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2023980050239 |