CN213627471U - Aerogel heat insulation coupling for heat insulation oil casing - Google Patents
Aerogel heat insulation coupling for heat insulation oil casing Download PDFInfo
- Publication number
- CN213627471U CN213627471U CN202022895416.8U CN202022895416U CN213627471U CN 213627471 U CN213627471 U CN 213627471U CN 202022895416 U CN202022895416 U CN 202022895416U CN 213627471 U CN213627471 U CN 213627471U
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- CN
- China
- Prior art keywords
- coupling
- inner tube
- thermal
- insulated
- oil casing
- 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.)
- Ceased
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 64
- 238000010168 coupling process Methods 0.000 title claims abstract description 64
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 64
- 239000004964 aerogel Substances 0.000 title claims abstract description 11
- 238000009413 insulation Methods 0.000 title claims description 17
- 238000007789 sealing Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims 3
- 239000000463 material Substances 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 239000012774 insulation material Substances 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 5
- 238000010793 Steam injection (oil industry) Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 101150097977 arch-1 gene Proteins 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model belongs to viscous crude gas injection, thermal-insulated oil casing auxiliary connection device field of thermal-insulated is adopted to heat, concretely relates to thermal-insulated coupling of aerogel for oil casing that insulates against heat, including coupling inner tube and coupling outer tube, coupling inner tube outside interlude processing has the thermal-insulated material silo of indent, is equipped with the thermal-insulated material layer in the thermal-insulated material silo, and coupling inner tube and coupling outer tube both ends welded connection are in the same place, and the inboard of its characterized in that coupling inner tube is equipped with the seal groove of indent, and the coupling inner tube outside that the seal groove was located is equipped with the convex enhancement arch that makes progress, strengthens and is equipped with the space between the. The utility model has the advantages of reasonable structure, tensile strength, anti-extrusion and good heat-insulating property.
Description
Technical Field
The utility model belongs to the thermal-insulated oil jacket pipe auxiliary connection device field is adopted to viscous crude gas injection, heat, concretely relates to thermal-insulated coupling of aerogel for oil jacket pipe insulates against heat.
Background
In the present thick oil steam injection, exploitation field, thermal-insulated oil casing body has basically reached better heat-proof quality, and the heat loss is less, but thermal-insulated oil casing's coupling department is because structural defect, and heat-proof quality is not good, for example:
1) the patent technology of heat-insulating tubing coupling, which is disclosed by the Chinese patent office in 2013, 1, 2 and is named as CN202645456U, discloses that two ends of a metal bushing (coupling inner pipe) are connected with the inner wall of a tubing coupling (coupling outer pipe) through nuts. The threaded connection of the collar of the above construction creates a concentrated area of heat transfer.
2) The patent technology of a novel heat insulation oil pipe coupling is disclosed by the Chinese patent office in 2019, 7 and 5, and is published with the publication number of CN209067122U, and the patent technology discloses that a vacuumizing plug is arranged on an outer pipe. The outer tube is provided with the vacuumizing port, so that the process is complex, the working procedures are increased, and a heat conduction concentrated area is formed at the vacuumizing port.
3) The patent technology of "a thermal insulation tubing coupling" which is published by the Chinese patent office 2015 at 11/25/2015 and is named as CN204804706U discloses that a reinforcing rib is arranged between an inner tube of the coupling and an outer tube of the coupling. The reinforcing ribs of the coupling of the above structure form concentrated areas of heat conduction.
The existence of the heat insulation blind area causes a large amount of heat loss and energy loss, and simultaneously, the temperature of the area is overhigh, so that higher requirements are placed on the corresponding processing technology, and more importantly, the steam injection and thermal recovery efficiency is greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a thermal-insulated coupling of aerogel for oil casing separates heat, it need not evacuation processing, and the outer tube does not set up the evacuation mouth, and coupling inner tube and coupling outer tube both ends adopt the welded mode to connect, are equipped with on the inner tube not protruding with the enhancement of outer tube contact, and the heat-proof quality is good, improves steam injection, heat and opens and adopt efficiency.
The utility model discloses a realize through following technical scheme:
namely, an aerogel thermal insulation coupling for a thermal insulation oil casing, comprises a coupling inner pipe and a coupling outer pipe, wherein an inwards concave thermal insulation material groove is processed in the middle section of the outer side of the coupling inner pipe, a thermal insulation material layer is arranged in the thermal insulation material groove, the two ends of the coupling inner pipe and the two ends of the coupling outer pipe are welded together, the inner side of the coupling inner pipe is provided with a concave sealing groove, the outer side of the coupling inner pipe where the sealing groove is located is provided with an upwards convex reinforcing protrusion, and a gap is formed between the reinforcing protrusion and the inner wall of.
Furthermore, the utility model discloses a seal groove is preferred but not limited to be two, and its bilateral symmetry distributes in the inboard of coupling inner tube.
Further, the reinforcing protrusion of the present invention is preferably, but not limited to, a trapezoid having a cross section with a small top and a large bottom.
The utility model discloses a place the sealing washer in the inboard seal groove of coupling inner tube, the leakproofness is better when connecting thermal-insulated oil sleeve pipe, because the seal groove is the indent structure, in order to guarantee the tensile strength of coupling inner tube seal groove department, the coupling inner tube sets up convex enhancement arch that makes progress in seal groove department, and it has the space to strengthen the inner wall of protruding distance coupling outer tube, and the space is filled by thermal insulation material layer.
Further, the utility model discloses an it is protruding to be located the thermal-insulated material silo to strengthen, highly is not higher than the degree of depth in thermal-insulated material silo.
The thermal insulation material layer of the present invention is preferably, but not limited to, an aerogel thermal insulation material layer.
The utility model discloses compare with prior art's coupling:
1) the two ends of the coupling inner pipe and the coupling outer pipe are not connected through threads but are welded together, and the heat insulation performance of the joint of the two ends of the coupling inner pipe and the coupling outer pipe is good;
2) the coupling outer pipe is not provided with a vacuumizing port, so that the process is optimized, the working procedures are reduced, and the concentrated loss of heat energy is reduced;
3) the strengthening bulge of the coupling inner pipe is not contacted with the coupling outer pipe, so that the tensile strength of the sealing groove of the coupling inner pipe is ensured, and the heat-insulating property of the strengthening bulge is also ensured.
The utility model has the advantages of reasonable structure, tensile strength, anti-extrusion and good heat-insulating property. The utility model can satisfy the mechanical property of the heat insulation oil casing coupling, improve the overall heat insulation property of the heat insulation oil casing pipe column, reduce the local temperature of the outer wall of the heat insulation oil casing pipe column, improve the efficiency of steam injection and exploitation of thickened oil, greatly reduce the heat loss and also reduce the energy loss; the utility model discloses do not need evacuation processing, reduced production processes, improved production efficiency, the while is the cost is also reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
as shown in the figure: 1. a reinforcing protrusion; 2. a sealing groove; 3. a heat insulation material groove; 4. an outer coupling tube; 5. a coupling inner tube; 6. and (6) girth welding.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1: coupling inner tube 5 is thick-walled pipe, its excircle interlude processing has thermal insulation material groove 3, both ends form the step, be equipped with aerogel thermal insulation material layer in the thermal insulation material groove 3, the external diameter of step department cooperatees with coupling outer tube 4's internal diameter, coupling outer tube 4 and 5 suits of coupling inner tube are in the same place, both ends welding forms ring weld 6, coupling inner tube 5's inboard is equipped with two seal grooves 2 of bilateral symmetry, place the sealing washer in seal groove 2, the outside of coupling inner tube 5 of seal groove 2 department is equipped with strengthens arch 1, it is located thermal insulation material groove 3 to strengthen arch 1, it is trapezoidal to strengthen protruding 1's cross-section, its width is greater than the width of seal groove 2, highly be less than thermal insulation material groove.
The utility model discloses the coupling the same with prior art when using, no longer describe in detail here.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (3)
1. The utility model provides a thermal-insulated coupling of aerogel for oil casing that insulates against heat, includes coupling inner tube and coupling outer tube, and the processing of coupling inner tube outside interlude has the heat insulating material silo of indent, is equipped with the heat insulating material layer in the heat insulating material silo, and coupling inner tube and coupling outer tube both ends welded connection are in the same place, and the inboard of its characterized in that coupling inner tube is equipped with the seal groove of indent, and the coupling inner tube outside that the seal groove was located is equipped with the bellied enhancement arch that makes progress, strengthens to be equipped with the space between the inner wall of.
2. The aerogel thermal insulation collar for the thermal insulation oil casing pipe as claimed in claim 1, wherein the number of the sealing grooves is two, and the two sealing grooves are symmetrically distributed on the inner side of the inner pipe of the collar.
3. The aerogel insulation collar for an insulating oil casing according to claim 1, wherein the cross section of the reinforcing protrusions is a trapezoid with a small upper part and a large lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022895416.8U CN213627471U (en) | 2020-12-03 | 2020-12-03 | Aerogel heat insulation coupling for heat insulation oil casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022895416.8U CN213627471U (en) | 2020-12-03 | 2020-12-03 | Aerogel heat insulation coupling for heat insulation oil casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213627471U true CN213627471U (en) | 2021-07-06 |
Family
ID=76638552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022895416.8U Ceased CN213627471U (en) | 2020-12-03 | 2020-12-03 | Aerogel heat insulation coupling for heat insulation oil casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213627471U (en) |
-
2020
- 2020-12-03 CN CN202022895416.8U patent/CN213627471U/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20230315 Decision number of declaring invalidation: 560582 Granted publication date: 20210706 |