CN114413097B - High-temperature expansion joint with vibration-proof heat-insulating structure - Google Patents
High-temperature expansion joint with vibration-proof heat-insulating structure Download PDFInfo
- Publication number
- CN114413097B CN114413097B CN202111498625.1A CN202111498625A CN114413097B CN 114413097 B CN114413097 B CN 114413097B CN 202111498625 A CN202111498625 A CN 202111498625A CN 114413097 B CN114413097 B CN 114413097B
- Authority
- CN
- China
- Prior art keywords
- heat insulation
- cylinder
- annular baffle
- heat
- iii
- 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.)
- Active
Links
- 238000009413 insulation Methods 0.000 claims abstract description 147
- 239000008358 core component Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 description 8
- 238000001816 cooling Methods 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
- F16L59/21—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like adapted for expansion-compensation devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Joints Allowing Movement (AREA)
Abstract
The utility model provides a high temperature expansion joint with antivibration thermal insulation structure, including the bellows, connect the end pipe in the bellows both sides, entry guide shell and export guide shell, the bellows, entry guide shell, export guide shell and end pipe enclose into the insulating layer filling space that is used for filling the insulating layer, be equipped with antivibration thermal insulation mechanism in the insulating layer filling space, antivibration thermal insulation mechanism includes interior insulating cylinder, outer insulating cylinder, thermal insulation annular baffle I, thermal insulation annular baffle II, thermal insulation annular baffle III, thermal insulation annular baffle I, entry guide shell, the end pipe of bellows left side, interior insulating cylinder encloses into the space intussuseption and is filled with insulating layer I, the space intussuseption that the insulating annular baffle III of leftmost side, outer insulating cylinder, the end pipe of bellows right side and export guide shell turn into is filled with insulating layer IV. The expansion joint has the advantages of simple structure, strong applicability and low manufacturing cost, effectively reduces the working temperature of the corrugated pipe of the core component, improves the operation reliability of the expansion joint, and ensures the safety of the device.
Description
Technical Field
The invention relates to the technical field of expansion joints, in particular to a high-temperature expansion joint with a vibration-proof heat-insulating structure.
Background
The bellows expansion joint is used as a compensator for pipeline pressure pipelines, can compensate thermal deformation, mechanical deformation and the like of the pipelines, and plays roles of reducing pipeline stress and prolonging the service life of the pipelines. Especially in the high-temperature medium occasion (up to 650 ℃ to 750 ℃), the thermal expansion of the pipeline is large, the allowable stress of the material is low, the risk of medium leakage is large, and the requirement on the safety performance of the expansion joint is strict. The bellows is a core component for the operation of the expansion joint, and in order to make the expansion joint in a safe operation state, a heat insulation layer is usually arranged inside the expansion joint, as shown in fig. 1, so as to reduce the operation temperature of the bellows.
However, due to factors such as vibration of the pipe system, high-speed flow of the medium, vacuum working condition and the like, the heat insulation material is easy to fall off and is washed away along with the medium, so that the working temperature of the corrugated pipe is over-temperature, the expansion joint is easy to fail, and cooling devices such as purging and the like are additionally added, as shown in fig. 2.
The temporary purging cooling device reduces the local working temperature of the corrugated pipe, is easy to cause uneven temperature distribution of the corrugated pipe, local overtemperature occurs, and larger safety risk is brought, in addition, under high temperature, the pipe system vibrates violently, the temporary cooling device is additionally arranged, the rigidity is low, larger displacement can be generated along with vibration of the pipe system, and great potential safety hazards exist, and meanwhile, the engineering cost is increased.
Disclosure of Invention
In order to solve the technical problems, the invention provides the high-temperature expansion joint with the vibration-proof heat-insulating structure, which has the advantages of simple structure, strong applicability and low manufacturing cost, effectively reduces the working temperature of the corrugated pipe of the core component, improves the operation reliability of the expansion joint, and ensures the safety of the device.
In order to achieve the technical purpose, the adopted technical scheme is as follows: the utility model provides a high temperature expansion joint with vibration-proof heat insulation structure, including the bellows, connect the end pipe in bellows both sides, entry guide shell and export guide shell, the tail end overlap joint of export guide shell is on the entry guide shell, be equipped with the clearance between the overlap joint, the bellows, the entry guide shell, export guide shell and end pipe enclose into the insulating layer packing space that is used for filling the insulating layer, be equipped with vibration-proof heat insulation mechanism in the insulating layer packing space, vibration-proof heat insulation mechanism includes interior insulating tube, outer insulating tube, thermal-insulated annular baffle I, thermal-insulated annular baffle II, thermal-insulated annular baffle III, the one end of interior insulating tube and the one end of outer insulating tube are connected respectively on the end pipe inner wall at bellows both ends, the one end overlap joint of interior insulating tube and the other end of outer insulating tube, be equipped with the clearance between interior insulating tube and the outer insulating tube of this overlap joint, be connected with thermal-insulated annular baffle I on the entry guide shell, the outer lane of thermal-insulated annular baffle I is not connected with interior insulating tube, thermal-insulated annular baffle I, thermal-insulated annular baffle II, the end pipe of bellows left side is equipped with thermal-insulated annular baffle III, thermal-insulated annular baffle III is located between the inner ring II and the at least one of the outer lane, the annular baffle II is connected with an annular baffle III, be located between the annular baffle II and the annular baffle II is located at least between the inner annular baffle II, the annular baffle II is located at the inner annular baffle II, the side of thermal-insulating tube and the thermal-insulating annular baffle III is located between the inner annular baffle II, thermal-insulating annular baffle and the at least.
The plurality of heat-insulating annular baffles II and the plurality of heat-insulating annular baffles III are arranged between the inner heat-insulating cylinder and the outlet guide cylinder in a staggered way.
And a heat insulation layer II is arranged at the gap between the leftmost heat insulation annular baffle III and the inner heat insulation cylinder.
The inner tube of welding on thermal-insulated annular baffle III in leftmost side is equipped with the below of thermal-insulated layer II, and the inner tube extends to in the space that thermal-insulated layer I is located to be equipped with the clearance between the outer lane of thermal-insulated annular baffle I, pack thermal-insulated layer II between inner tube and the interior thermal-insulated section of thick bamboo.
The outside of the inner heat insulation cylinder is wrapped with a heat insulation layer III.
The invention has the beneficial effects that: the heat insulation annular baffle I and the heat insulation annular baffle II are additionally arranged, the integral heat insulation layer is divided into the heat insulation layer I and the heat insulation layer IV, the vibration deformation of the heat insulation layer is reduced, the service life of the heat insulation layer is prolonged, and the heat insulation layer is prevented from falling off under high-speed vibration.
The additional arrangement of the heat-insulating annular baffle III can effectively prevent the temperature of the high-temperature medium from being directly transmitted to the corrugated pipe to cause the corrugation Guan Chaowen, and simultaneously prevent the heat-insulating layer IV from falling off.
The inner and outer heat insulation cylinders are additionally arranged, the heat transfer path is prolonged, the heat resistance is increased, meanwhile, the heat insulation layer III is arranged, the temperature of a high-temperature medium is further reduced, and the ripple Guan Chaowen is thoroughly eliminated.
The guide cylinder, the heat-insulating annular baffle, the assembly and the inner and outer heat-insulating cylinders form a heat-insulating labyrinth structure, so that a heat transfer path is effectively prolonged, and even if the heat-insulating layer is completely invalid, a high-temperature medium is in contact with the corrugated pipe at least through more than four layers of heat-insulating protection, and the phenomenon of overtemperature of the corrugated pipe is not caused.
The flexible heat insulation layer II is arranged on the heat insulation annular baffle assembly, so that the temperature of a high-temperature medium can be effectively prevented, and the heat is transferred to the corrugated pipe in the forms of radiation, heat conduction and the like, so that the corrugated Guan Chaowen is caused.
Drawings
FIG. 1 is a schematic view of a prior art high temperature expansion joint;
FIG. 2 is a prior art high temperature expansion joint with a temporary purge device;
FIG. 3 is a schematic view of a first embodiment of the present invention;
FIG. 4 is a second schematic diagram of the present invention;
in the figure: 1. the device comprises a pipeline, 2, an end pipe, 3, an inlet guide cylinder, 4, a heat insulation layer I, 5, a pull plate assembly, 6, a corrugated pipe, 7, a heat insulation annular baffle I, 8, a heat insulation layer II, 9, a heat insulation annular baffle III, 10, a heat insulation layer III, 11, an inner heat insulation cylinder, 12, an outer heat insulation cylinder, 13, a heat insulation annular baffle II, 14, a heat insulation layer IV, 15, an outlet guide cylinder, 16, an inner cylinder, 17 and a temporary purging device.
Detailed Description
The invention will be described with reference to the drawings and specific embodiments. However, the invention is not limited to these embodiments and may be used with other pipes having similar operating conditions.
As shown in fig. 3, a high temperature expansion joint with vibration-proof and heat-insulating structure comprises a corrugated pipe 6, an end pipe 2, an inlet guide cylinder 3 and an outlet guide cylinder 15 which are connected at two sides of the corrugated pipe 6, wherein the tail end of the outlet guide cylinder 15 is lapped on the inlet guide cylinder 3, a gap is arranged between lapping parts, as shown in fig. 1, the corrugated pipe 6, the inlet guide cylinder 3, the outlet guide cylinder 15 and the end pipe 2 enclose a heat-insulating layer filling space for filling a heat-insulating layer, a vibration-proof and heat-insulating mechanism is arranged in the heat-insulating layer filling space, the vibration-proof and heat-insulating mechanism comprises an inner heat-insulating cylinder 11, an outer heat-insulating cylinder 12, a heat-insulating annular baffle I7, a heat-insulating annular baffle II 13 and a heat-insulating annular baffle III 9, one end of the inner heat-insulating cylinder 11 and one end of the outer heat-insulating cylinder 12 are respectively welded on the inner wall of the end pipe 2 at two ends of the corrugated pipe 6, one end of the inner heat-insulating cylinder 11 and the other end of the outer heat-insulating cylinder 12 are lapped and lapped, normally, the outer heat insulation cylinder 12 is lapped above the inner heat insulation cylinder 11, a gap is arranged between the inner heat insulation cylinder 11 and the outer heat insulation cylinder 12 at the lap joint part, the stretching deformation of the corrugated pipe is not affected, the inlet guide cylinder 3 is connected with a heat insulation annular baffle I7, the outer ring of the heat insulation annular baffle I7 is not connected with the inner heat insulation cylinder 11, the reserved gap is used for heat insulation, a heat insulation layer I4 is filled in a space surrounded by the end pipe 2 at the left side of the heat insulation annular baffle I7, the inlet guide cylinder 3, the corrugated pipe 6 and the inner heat insulation cylinder 11, the heat insulation annular baffle II 13 and the heat insulation annular baffle III 9 are positioned between the inner heat insulation cylinder 11 and the outlet guide cylinder 15, at least one heat insulation annular baffle II 13 is connected on the inner heat insulation cylinder 11, a gap is arranged between the inner ring of the heat insulation annular baffle II 13 and the outlet guide cylinder 15, at least one heat insulation annular baffle III 9 is connected on the outlet guide cylinder 15, a gap is arranged between the outer ring of the heat insulation annular baffle III 9 and the inner heat insulation cylinder 11, one heat insulation annular baffle III 9 is positioned at the leftmost side, and a heat insulation layer IV 14 is filled in a space formed by the heat insulation annular baffle III 9 at the leftmost side, the outer heat insulation cylinder 12, the end pipe 2 at the right side of the corrugated pipe 6 and the outlet guide cylinder 15.
The plurality of heat insulation annular baffles II 13 and the plurality of heat insulation annular baffles III 9 are arranged between the inner heat insulation cylinder 11 and the outlet guide cylinder 15 in a staggered manner, so that the transmission path is changed into a labyrinth channel, the heat transmission path is effectively prolonged, the heat insulation layer IV 14 is divided into a plurality of blocks, and the service life of the heat insulation layer is prolonged.
The heat insulation layer II 8 is arranged at the gap between the leftmost heat insulation annular baffle III 9 and the inner heat insulation cylinder 11, so that the temperature of a high-temperature medium can be effectively prevented, the heat is transferred to the corrugated pipe in the forms of radiation, heat conduction and the like, the corrugation Guan Chaowen is caused, and the heat insulation layer I4 is prevented from falling off.
As shown in fig. 4, an inner cylinder 16 welded on a leftmost heat insulation annular baffle iii 9 is arranged below the heat insulation layer ii 8, the inner cylinder 16 extends leftwards into a space where the heat insulation layer i 4 is located, a gap is arranged between the inner cylinder 16 and the outer ring of the heat insulation annular baffle i 7, the heat insulation layer ii 8 is filled between the inner cylinder 16 and the inner heat insulation cylinder 11, by the design, a heat transfer path is prolonged, heat resistance is increased, the heat insulation layer ii 8 and the heat insulation layer i 4 are prevented from falling off, meanwhile, the temperature of a high-temperature medium is further reduced, and ripples Guan Chaowen are thoroughly eliminated.
The outside of the inner heat insulation cylinder 11 is wrapped with a heat insulation layer III 10, the temperature of a high-temperature medium is further reduced, the ripple Guan Chaowen is thoroughly eliminated, and the heat insulation layer III 10 arranged at the place is not easy to fall off.
As shown in fig. 3, two tapered end pipes 2 of the high-temperature expansion joint of the embodiment are connected with a pipeline 1, and a flexible element corrugated pipe fitting 6 is connected in the middle of the end pipes. The heat insulation annular baffle I and the heat insulation annular baffle II are additionally arranged, the integral heat insulation layer is divided into the heat insulation layer I and the heat insulation layer IV, the vibration deformation of the heat insulation layer is reduced, the service life of the heat insulation layer is prolonged, and the heat insulation layer is prevented from falling off under high-speed vibration. The heat transfer path is a heat insulation layer II 8, a gap between the heat insulation annular baffle III 9 and the inner heat insulation cylinder 11, a heat insulation layer IV 14, a gap between the heat insulation annular baffle II and the outlet guide cylinder 15, and a gap between the outer heat insulation cylinder 12 and the inner heat insulation cylinder 11.
As shown in fig. 4, compared with fig. 3, the inner cylinder 16 is added, the heat transfer path is further increased, the heat transfer path enters from the gap between the inner cylinder 16 and the heat insulation annular baffle plate i 7, the heat transfer path starts from the space where the heat insulation layer i 4 is located, and the heat insulation effect of the heat insulation layer i 4 on the left side is fully utilized.
When the vehicle starts, the medium is heated, the pipeline is thermally expanded, the corrugated pipe is compressed or stretched to displace, the inlet end guide cylinder part 3 and the outlet end guide cylinder part 15 are respectively and rigidly connected with the end pipe, and the inlet end guide cylinder part and the outlet end guide cylinder part move in opposite directions under the action of thermal displacement. The high-temperature medium continuously transfers heat to the corrugated pipe in the forms of heat conduction, convection and radiation, and most of heat is isolated through the cavity vibration-proof heat-insulating structure, so that the corrugated pipe is prevented from being overhigh in temperature.
When the pipe system vibrates violently, each heat-insulating annular baffle plate fills the whole heat-insulating layer in blocks, so that heat insulation falling can be effectively prevented, even if the heat insulation falling off, the guide cylinder, the heat-insulating annular baffle plate, the inner heat-insulating cylinder and the outer heat-insulating cylinder form a heat-insulating labyrinth structure, a heat transfer path is effectively prolonged, a high-temperature medium at least needs three layers or more than four layers of heat-insulating protection, and is contacted with the corrugated pipe, the phenomenon of overtemperature of the corrugated pipe is avoided, and the expansion joint and the device are ensured to run safely and reliably.
The heat-insulating vibration-proof structure can realize healthy and safe operation of the expansion joint, and even if heat insulation fails, no temporary cooling measure is needed, the safety of the device is ensured, and the construction cost is reduced.
Claims (5)
1. The utility model provides a high temperature expansion joint with vibration-proof and heat-insulating structure, includes bellows (6), connects terminal pipe (2) in bellows (6) both sides, entry guide cone (3) and export guide cone (15), and the tail end overlap joint of export guide cone (15) is equipped with the clearance on entry guide cone (3) between the overlap joint part, and bellows (6), entry guide cone (3), export guide cone (15) and terminal pipe (2) enclose into the insulating layer filling space that is used for filling the insulating layer, its characterized in that: the vibration-proof heat insulation mechanism is arranged in the heat insulation layer filling space and comprises an inner heat insulation cylinder (11), an outer heat insulation cylinder (12), a heat insulation annular baffle I (7), a heat insulation annular baffle II (13) and a heat insulation annular baffle III (9), one end of the inner heat insulation cylinder (11) and one end of the outer heat insulation cylinder (12) are respectively connected to the inner wall of an end pipe (2) at two ends of a corrugated pipe (6), one end of the inner heat insulation cylinder (11) and the other end of the outer heat insulation cylinder (12) are overlapped, a gap is arranged between the inner heat insulation cylinder (11) and the outer heat insulation cylinder (12) at the overlapped part, a heat insulation annular baffle I (7) is connected to an inlet guide cylinder (3), the outer ring of the heat insulation annular baffle I (7) is not connected with the inner heat insulation cylinder (11), the heat insulation annular baffle I (7), the inlet guide cylinder (3), the end pipe (2) at the left side of the corrugated pipe (6) and the inner heat insulation cylinder (11) are respectively filled with a heat insulation layer I (4), the heat insulation annular baffle II (13) and the heat insulation annular baffle III (9) are positioned between the inner heat insulation cylinder (11) and an outlet guide cylinder (15), at least one heat insulation annular baffle II is connected to the inner ring (13), the outlet guide cylinder (15) is connected with at least one heat insulation annular baffle III (9), a gap is arranged between the outer ring of the heat insulation annular baffle III (9) and the inner heat insulation cylinder (11), one heat insulation annular baffle III (9) is positioned at the leftmost side, and a heat insulation layer IV (14) is filled in a space formed by the leftmost heat insulation annular baffle III (9), the outer heat insulation cylinder (12), the end pipe (2) at the right side of the corrugated pipe (6) and the outlet guide cylinder (15).
2. The high temperature expansion joint with vibration-proof and heat-insulating structure according to claim 1, wherein: a plurality of heat insulation annular baffles II (13) and a plurality of heat insulation annular baffles III (9) are arranged between the inner heat insulation cylinder (11) and the outlet guide cylinder (15) in a staggered mode.
3. The high temperature expansion joint with vibration-proof and heat-insulating structure according to claim 1, wherein: a heat insulation layer II (8) is arranged at the gap between the leftmost heat insulation annular baffle III (9) and the inner heat insulation cylinder (11).
4. A high temperature expansion joint having a vibration-proof and heat-insulating structure as set forth in claim 3, wherein: an inner cylinder (16) welded on the leftmost heat insulation annular baffle III (9) is arranged below the heat insulation layer II (8), the inner cylinder (16) extends leftwards into a space where the heat insulation layer I (4) is located, a gap is arranged between the inner cylinder and the outer ring of the heat insulation annular baffle I (7), and the heat insulation layer II (8) is filled between the inner cylinder (16) and the inner heat insulation cylinder (11).
5. The high temperature expansion joint with vibration-proof and heat-insulating structure according to claim 1, wherein: the outside of the inner heat insulation cylinder (11) is wrapped with a heat insulation layer III (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111498625.1A CN114413097B (en) | 2021-12-09 | 2021-12-09 | High-temperature expansion joint with vibration-proof heat-insulating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111498625.1A CN114413097B (en) | 2021-12-09 | 2021-12-09 | High-temperature expansion joint with vibration-proof heat-insulating structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114413097A CN114413097A (en) | 2022-04-29 |
| CN114413097B true CN114413097B (en) | 2023-11-17 |
Family
ID=81266010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111498625.1A Active CN114413097B (en) | 2021-12-09 | 2021-12-09 | High-temperature expansion joint with vibration-proof heat-insulating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114413097B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100692965B1 (en) * | 2005-10-12 | 2007-03-12 | 주식회사 티케이디 | Expansion joints |
| CN206398683U (en) * | 2016-11-29 | 2017-08-11 | 武汉都市环保工程技术股份有限公司 | Low-heat value gas superhigh-pressure high-temp electricity generation system |
| CN210687432U (en) * | 2019-07-30 | 2020-06-05 | 洛阳双瑞特种装备有限公司 | High-temperature expansion joint with closed anti-coking structure |
| CN210716507U (en) * | 2019-07-30 | 2020-06-09 | 洛阳双瑞特种装备有限公司 | High-temperature expansion joint with labyrinth type flow guide structure |
| CN210716506U (en) * | 2019-07-30 | 2020-06-09 | 洛阳双瑞特种装备有限公司 | Sectional type flow guide sealing cylinder for high-temperature expansion joint |
-
2021
- 2021-12-09 CN CN202111498625.1A patent/CN114413097B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100692965B1 (en) * | 2005-10-12 | 2007-03-12 | 주식회사 티케이디 | Expansion joints |
| CN206398683U (en) * | 2016-11-29 | 2017-08-11 | 武汉都市环保工程技术股份有限公司 | Low-heat value gas superhigh-pressure high-temp electricity generation system |
| CN210687432U (en) * | 2019-07-30 | 2020-06-05 | 洛阳双瑞特种装备有限公司 | High-temperature expansion joint with closed anti-coking structure |
| CN210716507U (en) * | 2019-07-30 | 2020-06-09 | 洛阳双瑞特种装备有限公司 | High-temperature expansion joint with labyrinth type flow guide structure |
| CN210716506U (en) * | 2019-07-30 | 2020-06-09 | 洛阳双瑞特种装备有限公司 | Sectional type flow guide sealing cylinder for high-temperature expansion joint |
Non-Patent Citations (1)
| Title |
|---|
| 膨胀节安装使用中的注意事项;张彬;;水泥工程(04);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114413097A (en) | 2022-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102072363B (en) | Multi-layer single vacuum compound heat-insulation pipe | |
| CN114413097B (en) | High-temperature expansion joint with vibration-proof heat-insulating structure | |
| CN102954309B (en) | Steam directly buried pipe | |
| CN201934843U (en) | Vacuum compensator for low-temperature conveying pipeline | |
| CN104704278A (en) | Pipe connector for transmitting fluid under pressure | |
| CN108662342A (en) | A kind of vacuum heat insulating low-temperature pipe road vacuum ripple expansion joint | |
| CN201723898U (en) | Composite bidirectional compensator | |
| CN108488529B (en) | efficient vibration-damping corrugated pipe compensator | |
| CN110953430A (en) | Wear-resistant pipeline compensator for electric power | |
| CN202708446U (en) | Externally water-cooled and internally insulated high-pressure high-temperature expansion joint | |
| CN203730993U (en) | Corrugated expansion joint for ash smoothing vertical pipe | |
| CN220337801U (en) | Compensator for blast furnace air supply device | |
| CN103883829A (en) | Single-tube corrugation expansion joint | |
| CN202955402U (en) | Steam direct buried pipe | |
| CN109681725B (en) | Elastic high-temperature-resistant heat insulation structure | |
| CN203730992U (en) | Single-pipe corrugated compensator | |
| KR100535707B1 (en) | Double pipe for high pressure and temperature | |
| CN102720914B (en) | Outer water-cooling and inner thermal-insulating high-pressure and high-temperature expansion joint | |
| CN219341774U (en) | Liquid sulfur spray gun structure | |
| CN221055616U (en) | Novel soot blower sleeve connecting structure | |
| CN217899201U (en) | Novel outer detachable double-layer compensator applied to heat supply pipeline | |
| CN109751472B (en) | High-temperature-resistant high-pressure-resistant flexible heat insulation structure and expansion joint | |
| CN217762606U (en) | Kadan type compensator | |
| CN215312221U (en) | Novel material inlet and outlet structure of alkane dehydrogenation reactor | |
| CN219994058U (en) | Multi-nozzle cooling cylinder of sectional cooling loop |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Applicant after: CSSC Shuangrui (Luoyang) special equipment Co.,Ltd. Applicant after: SINOPEC GUANGZHOU ENGINEERING Co.,Ltd. Address before: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Applicant before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. Applicant before: SINOPEC GUANGZHOU ENGINEERING Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |