CN108644524A - A kind of expansion joint compensation device of high temperature high voltage resistant air - Google Patents
A kind of expansion joint compensation device of high temperature high voltage resistant air Download PDFInfo
- Publication number
- CN108644524A CN108644524A CN201810506585.2A CN201810506585A CN108644524A CN 108644524 A CN108644524 A CN 108644524A CN 201810506585 A CN201810506585 A CN 201810506585A CN 108644524 A CN108644524 A CN 108644524A
- Authority
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- China
- Prior art keywords
- expansion joint
- compensation device
- joint compensation
- straight section
- assembly
- 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.)
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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
- F16L51/03—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube comprising two or more bellows
-
- 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
- F16L51/025—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations
-
- 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
- F16L51/027—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with external reinforcement
-
- 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
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/70—Cooling of pipes or pipe systems
-
- 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
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
- F16L9/06—Corrugated pipes
Abstract
The present embodiments relate to a kind of expansion joint compensation devices of high temperature high voltage resistant air, including：Expansion joint compensation device entrance straight section assembly (6), reinforces bellows (8), stainless enforced steel loop (9), bolt and nut pull rod (10), multigroup soft graphite elastic sealing element (11) and cold air inlet suction port (14) at expansion joint compensation device outlet reducer assembly (7)；The expansion joint compensation device entrance straight section assembly (6) is connect with expansion joint compensation device outlet reducer assembly (7) by the bolt and nut pull rod (10), and is welded to connect with the reinforcement bellows (8)；The expansion joint compensation device entrance straight section assembly (6) is also formed by the reinforcement bellows (8) with expansion joint compensation device outlet reducer assembly (7) and is flexibly connected.Thus, it is possible to realize that the expansion joint of high temperature high voltage resistant air has axial stretching compensation and radial rotary compensation.
Description
Technical field
The present embodiments relate to the technical field of high temperature and pressure pure air wind-tunnel more particularly to a kind of high temperature high voltage resistants
The expansion joint compensation device of air.
Background technology
A type of the pure air wind-tunnel as hypersonic wind tunnel, be hypersonic technology research essentially
Face testing equipment, its main feature is that the pure experiment air of high temperature is generated using accumulation of heat mode of heating and other auxiliary mode of heatings,
Relative to burning heating equipment, the pollution of the components such as H2O, CO2 can be significantly reduced or eliminated.Its act on realize with really
The smaller experiment flow parameter of flight environment of vehicle difference, can make test data accurately reflect true state of flight
Energy.
Existing hypersonic wind tunnel domestic at present is mostly combustion heating formula wind-tunnel, and that does not build up still can run
Pure air wind-tunnel.One of the key technology for building hypersonic pure air wind-tunnel be at pure air wind tunnel experiment initial stage,
Need by high about 12 meters, weigh about the Ceramic Tiles in 10 tons of storage heater and be heated to 1800K from room temperature, after the completion of heating, due to material
Expect thermal deformation, accumulator outlet flange center can be caused to increase, the high-temperature pipe and jet pipe of pure air wind-tunnel hindfoot portion are
How rigid connection, therefore, make expansion joint compensate thermal deformation of the accumulation of heat between high-temperature pipe under warm pressure-air, improves
The technical issues of security reliability of wind-tunnel facilities operation becomes urgent need to resolve.
Invention content
An embodiment of the present invention provides a kind of expansion joint compensation devices of high temperature high voltage resistant air, and high temperature resistant height may be implemented
Press the expansion joint of air that there is axial stretching compensation and radial rotary compensation.
In a first aspect, the embodiment of the present invention provides a kind of expansion joint compensation device of high temperature high voltage resistant air, including：
Expansion joint compensation device entrance straight section assembly 6, reinforces bellows at expansion joint compensation device outlet reducer assembly 7
8, stainless enforced steel loop 9, bolt and nut pull rod 10, multigroup soft graphite elastic sealing element 11 and cold air inlet suction port 14；
The expansion joint compensation device entrance straight section assembly 6 and expansion joint compensation device outlet reducer assembly 7 are logical
It crosses the bolt and nut pull rod 10 to connect, and is welded to connect with the reinforcement bellows 8；The expansion joint compensation device entrance is straight
Section assembly 6 is also formed by the reinforcement bellows 8 with expansion joint compensation device outlet reducer assembly 7 and is flexibly connected.
In a possible embodiment, the expansion joint compensation device entrance straight section assembly 6 is provided with independent water
Cold trap road；
The expansion joint compensation device entrance straight section assembly 6 is welded by flange 15, inner cylinder 17, outer barrel 16；
The outer barrel 16 and inner cylinder in the expansion joint compensation device entrance straight section assembly 6 can be realized by the water cooling conduit
17 heat convection.
In a possible embodiment, the expansion joint compensation device further includes：
It is set to the expansion joint compensation device entrance straight section assembly 6 and expansion joint compensation device outlet reducer is total
At multigroup soft graphite elastic sealing element 11 between 7, the expansion joint compensation device entrance straight section assembly 6 and the expansion joint
Compensation device forms cavity 12 between exporting reducer assembly 7.
In a possible embodiment, the cold air inlet suction port 14 is set to the left side wall surface of the cavity 12.
In a possible embodiment, the reinforcement bellows 8 is arranged using waveform.
In a possible embodiment, it is provided with stainless enforced steel loop 9 at the trough for reinforcing bellows 8.
In a possible embodiment, the reinforcement bellows 8 can be realized under high temperature and pressure air it is axial and/or
Radial motion carries out flexible and/or rotation compensation.
In a possible embodiment, the soft graphite elastic sealing element 11 has and is compressed axially and radial elastic
Deformability reduces high temperature and pressure when the soft graphite elastic sealing element 11 is compressed axially with elastomeric radial
Air enters cavity 12.
In a possible embodiment, the bolt and nut pull rod 10 can avoid the reinforcement bellows 8 with it is described
It is destroyed caused by the weld seam overload of expansion joint compensation device entrance straight section assembly 6.
In a possible embodiment, the bolt and nut pull rod 10 can avoid the reinforcement bellows 8 with it is described
Expansion joint compensation device is destroyed caused by exporting the weld seam overload of reducer assembly 7.
The expansion joint compensation device of high temperature high voltage resistant air provided in an embodiment of the present invention has high temperature high voltage resistant, axial direction
Flexible compensation function and radial compensation function.
Description of the drawings
Fig. 1 is the expansion joint compensation device of high temperature high voltage resistant air provided in an embodiment of the present invention in pure air wind-tunnel
Application scenario diagram；
Fig. 2 provides a kind of structural schematic diagram of the expansion joint compensation device of high temperature high voltage resistant air for the embodiment of the present invention；
Fig. 3 provides a kind of straight section assembly structure of the expansion joint compensation device of high temperature high voltage resistant air for the embodiment of the present invention
Schematic diagram；
Fig. 4 provides the straight section assembly knot of the expansion joint compensation device of another high temperature high voltage resistant air for the embodiment of the present invention
Structure schematic diagram.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
For ease of the understanding to the embodiment of the present invention, it is further explained with specific embodiment below in conjunction with attached drawing
Bright, embodiment does not constitute the restriction to the embodiment of the present invention.
Fig. 1 is the expansion joint compensation device of high temperature high voltage resistant air provided in an embodiment of the present invention in pure air wind-tunnel
Application scenario diagram, as shown in Figure 1, specifically including：
Carry out pure air wind tunnel test when, by storage heater 1 generate temperature 1800K, pressure 6MPa high temperature and pressure
Pure air, high temperature and pressure pure air is through accumulator outlet flange 2, two expansion joint compensation devices 3, high temperature and pressure air hoses
Then road conveying device 4 safely carries out pure air wind tunnel test under the opening and closing of adjustable jet device 5, meets test bar
Part and requirement.Accumulator outlet flange 2 passes through refractory seals pad and spiral shell with 6 flange of expansion joint compensation device entrance straight section assembly
The combination connection of bolt nut；Expansion joint compensation device exports 7 flange of reducer assembly and 4 flange of high temperature and pressure air pipeline device is logical
Refractory seals pad is crossed to connect with unit bolt nut.When experiment, with the slow raising of 1 temperature of storage heater, overall structure
Thermal deformation can occur, when temperature is heated to the experimental temperature of 1800K or so, outlet(discharge) flange center is also accordingly increased to maximum
Value, the heat structure deformation that the corrugated portion of expansion joint compensation device 3 connected to it deforms to compensate storage heater 1 at this time,
It is unlikely to destroy the sealing structure of wind-tunnel entirety.In order to enhance adaptability of the overall structure to thermal deformation, in high temperature and pressure sky
An expansion joint compensation device 3 is increased after feed channel device 4 again.
Fig. 2 provides a kind of structural schematic diagram of the expansion joint compensation device of high temperature high voltage resistant air for the embodiment of the present invention,
As shown in Fig. 2, specifically including：
Expansion joint compensation device entrance straight section assembly 6, reinforces bellows at expansion joint compensation device outlet reducer assembly 7
8, stainless enforced steel loop 9, bolt and nut pull rod 10, multigroup soft graphite elastic sealing element 11 and cold air inlet suction port 14；
The expansion joint compensation device entrance straight section assembly 6 and expansion joint compensation device outlet reducer assembly 7 are logical
It crosses the bolt and nut pull rod 10 to connect, and is welded to connect with the reinforcement bellows 8；The expansion joint compensation device entrance is straight
Section assembly 6 is also formed by the reinforcement bellows 8 with expansion joint compensation device outlet reducer assembly 7 and is flexibly connected.
Specifically, expansion joint compensation device entrance straight section assembly 6, expansion joint compensation device export reducer assembly 7 and add
8 assemble welding of strong bellows forms cavity 12；Expansion joint compensation device entrance straight section assembly 6 is welded with 8 one end of bellows is reinforced
It links together；Expansion joint compensation device outlet reducer assembly 7 is welded together with 8 other end of bellows is reinforced；It is swollen
It is designed with and storage heater 1 between the entrance straight section assembly 6 and expansion joint compensation device outlet reducer assembly 7 of swollen section compensation device
The adaptable movement clearance of heat structure deformation.
Specifically, with reference to Fig. 3 and Fig. 4,6 device overall structure of expansion joint compensation device entrance straight section assembly by flange 15,
Inner cylinder 17,16 welding processing of outer barrel form, and inner tank theca face is radially designed with the water cooling conduit of a height of 5mm × 5mm of a plurality of width；
When experiment starts, it is passed through cooling water from water inlet 18, through 15 top half of flange and expansion joint compensation device entrance straight section assembly 6
After the cooling channels of top half, turn back to end face to 6 lower half portion water cooling conduit of expansion joint compensation device entrance straight section assembly,
Again through 15 lower half portion of flange, finally flowed out by water outlet 19, cooling water by with expansion joint compensation device entrance straight section assembly 6
Quickly heat exchange, heat is taken away, can the air themperature in cavity be reduced to 500 degree or so, to ensure expansion joint compensation dress
The strength and stiffness set.
Optionally, the expansion joint compensation device entrance straight section assembly 6 is provided with independent water cooling conduit；The expansion joint
Compensation device entrance straight section assembly 6 is welded by flange 15, inner cylinder 17, outer barrel 16；Institute can be realized by the water cooling conduit
State the heat convection of the outer barrel 16 and inner cylinder 17 in expansion joint compensation device entrance straight section assembly 6.
Specifically, expansion joint compensation device entrance straight section assembly 6 is distinguished with expansion joint compensation device outlet reducer assembly 7
It is designed with water cooling conduit, it is possible to increase heat convection not only reduces expansion joint compensation device inner wall temperature, further reduces and ooze
Drain to the gas temperature in cavity 12；It is designed with cold air inlet suction port 14 in 12 left side wall surface of cavity, it can be cold by supplying high pressure
Air further decreases the high temperature air leaked into cavity 12.
Optionally, the expansion joint compensation device further includes：It is set to the expansion joint compensation device entrance straight section assembly 6
Multigroup soft graphite elastic sealing element 11 between expansion joint compensation device outlet reducer assembly 7, the expansion joint
Cavity 12 is formed between compensation device entrance straight section assembly 6 and expansion joint compensation device outlet reducer assembly 7.
Specifically, 6 outer wall of expansion joint compensation device entrance straight section assembly and expansion joint compensation device outlet reducer assembly 7
Inner wall is designed with multigroup soft graphite elastic sealing element 11 between being formed by movement clearance, when expansion joint compensation device 3 occurs
When compensating action, multigroup soft graphite elastic sealing element 11 flexible deformation can occur both axially and radially and play sealing function,
It prevents high temperature and pressure air 13 from largely entering cavity 12, further decreases the temperature of sky intracavity gas.
Optionally, the cold air inlet suction port 14 is set to the left side wall surface of the cavity 12.
Optionally, the reinforcement bellows 8 is arranged using waveform.
Optionally, it is provided with stainless enforced steel loop 9 at the trough for reinforcing bellows 8.
Specifically, each wave trough position for reinforcing bellows 8 is designed with stainless enforced steel loop 9, further increases power reinforcement
The intensity of bellows 8；Reinforce 8 material of bellows and uses nickel base superalloy Inconel625, gas when because of experiment in cavity 12
Temperature is not above 500 degrees Celsius, fully meets need requirement when experiment.
Optionally, the reinforcement bellows 8 can be realized under high temperature and pressure air axially and/or radially moves, and is stretched
Contracting and/or rotation compensation.
Optionally, the soft graphite elastic sealing element 11 have be compressed axially with elastomeric radial ability, when described
When soft graphite elastic sealing element 11 is compressed axially with elastomeric radial, reduces high temperature and pressure air and enter cavity 12.
Optionally, the bolt and nut pull rod 10 can avoid the reinforcement bellows 8 and enter with the expansion joint compensation device
It is destroyed caused by the weld seam overload of mouth straight section assembly 6.
Optionally, the bolt and nut pull rod 10 can avoid the reinforcement bellows 8 and go out with the expansion joint compensation device
It is destroyed caused by the weld seam overload of mouth reducer assembly 7.
Specifically, between expansion joint compensation device entrance straight section assembly 6 and expansion joint compensation device outlet reducer assembly 7
6 bolt and nut pull rods 10 are radially designed with, prevent two side welds for reinforcing bellows 8 because overload is destroyed
The expansion joint compensation device of high temperature high voltage resistant air provided in an embodiment of the present invention has high temperature high voltage resistant, axial direction
Flexible compensation function and radial compensation function.
Professional should further appreciate that, described in conjunction with the examples disclosed in the embodiments of the present disclosure
Unit and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, hard in order to clearly demonstrate
The interchangeability of part and software generally describes each exemplary composition and step according to function in the above description.
These functions are implemented in hardware or software actually, depend on the specific application and design constraint of technical solution.
Professional technician can use different methods to achieve the described function each specific application, but this realization
It should not be considered as beyond the scope of the present invention.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of expansion joint compensation device of high temperature high voltage resistant air, which is characterized in that including：
Expansion joint compensation device entrance straight section assembly (6), reinforces bellows at expansion joint compensation device outlet reducer assembly (7)
(8), stainless enforced steel loop (9), bolt and nut pull rod (10), multigroup soft graphite elastic sealing element (11) and cold air inlet suction port
(14)；
The expansion joint compensation device entrance straight section assembly (6) is logical with expansion joint compensation device outlet reducer assembly (7)
Bolt and nut pull rod (10) connection is crossed, and is welded to connect with the reinforcement bellows (8)；The expansion joint compensation device enters
Mouth straight section assembly (6) also passes through the reinforcement bellows (8) with expansion joint compensation device outlet reducer assembly (7) and is formed
Flexible connection.
2. expansion joint compensation device according to claim 1, which is characterized in that the expansion joint compensation device entrance straight section
Assembly (6) is provided with independent water cooling conduit；
The expansion joint compensation device entrance straight section assembly (6) is welded by flange (15), inner cylinder (17), outer barrel (16)；
The outer barrel (16) and inner cylinder in the expansion joint compensation device entrance straight section assembly (6) can be realized by the water cooling conduit
(17) heat convection.
3. expansion joint compensation device according to claim 1, which is characterized in that the expansion joint compensation device further includes：
It is set to the expansion joint compensation device entrance straight section assembly (6) and expansion joint compensation device outlet reducer assembly
(7) multigroup soft graphite elastic sealing element (11) between, the expansion joint compensation device entrance straight section assembly (6) and described swollen
Cavity (12) is formed between swollen section compensation device outlet reducer assembly (7).
4. expansion joint compensation device according to claim 3, which is characterized in that the cold air inlet suction port (14) is set to
The left side wall surface of the cavity (12).
5. expansion joint compensation device according to claim 1, which is characterized in that the reinforcement bellows (8) uses waveform
Setting.
6. expansion joint compensation device according to claim 5, which is characterized in that in the trough of the reinforcement bellows (8)
Place is provided with stainless enforced steel loop (9).
7. expansion joint compensation device according to claim 5, which is characterized in that the reinforcement bellows (8) can be in high temperature
It realizes under pressure-air and axially and/or radially moves, carry out flexible and/or rotation compensation.
8. expansion joint compensation device according to claim 3, which is characterized in that the soft graphite elastic sealing element (11)
Be compressed axially with elastomeric radial ability, when the soft graphite elastic sealing element (11) is compressed axially and radial
When flexible deformation, reduces high temperature and pressure air and enter cavity (12).
9. expansion joint compensation device according to claim 1, which is characterized in that the bolt and nut pull rod (10) can avoid
It is described to reinforce destroying caused by bellows (8) and the weld seam overload of the expansion joint compensation device entrance straight section assembly (6), and
It is described to reinforce destroying caused by bellows (8) and the weld seam overload of expansion joint compensation device outlet reducer assembly (7).
10. expansion joint compensation device according to claim 1, which is characterized in that the bolt and nut pull rod (10) can keep away
Exempt to destroy caused by the reinforcement bellows (8) and the weld seam overload of expansion joint compensation device outlet reducer assembly (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810506585.2A CN108644524A (en) | 2018-05-24 | 2018-05-24 | A kind of expansion joint compensation device of high temperature high voltage resistant air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810506585.2A CN108644524A (en) | 2018-05-24 | 2018-05-24 | A kind of expansion joint compensation device of high temperature high voltage resistant air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108644524A true CN108644524A (en) | 2018-10-12 |
Family
ID=63757736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810506585.2A Pending CN108644524A (en) | 2018-05-24 | 2018-05-24 | A kind of expansion joint compensation device of high temperature high voltage resistant air |
Country Status (1)
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| CN (1) | CN108644524A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838639A (en) * | 2019-04-01 | 2019-06-04 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of water cooling expansion joint suitable for high-temperature pipe connection |
| CN110762305A (en) * | 2019-11-15 | 2020-02-07 | 中国空气动力研究与发展中心超高速空气动力研究所 | Water-cooling test flange for hypersonic-velocity low-density wind tunnel stabilization section |
| CN112033632A (en) * | 2020-08-19 | 2020-12-04 | 中国科学院力学研究所 | Overload-proof compensator capable of bearing atmosphere dynamic load |
| CN112350206A (en) * | 2020-10-27 | 2021-02-09 | 山东电力工业锅炉压力容器检验中心有限公司 | Uninterrupted plugging device and plugging method for air leakage of expansion joint |
| CN114838904A (en) * | 2022-07-04 | 2022-08-02 | 中国航空工业集团公司沈阳空气动力研究所 | Flexible sealing automatic locking mechanism for high-temperature wind tunnel spray pipe |
| CN115007066A (en) * | 2022-08-05 | 2022-09-06 | 山西阳煤化工机械（集团）有限公司 | Cold hydrogenation reactor |
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| CN2929420Y (en) * | 2006-04-24 | 2007-08-01 | 江苏百新波纹管有限公司 | Rotary no-thrust pipeline telescopic device |
| CN103307401A (en) * | 2013-07-04 | 2013-09-18 | 德阳市瑞祥机械厂 | Double-water-cooling expansion joint |
| CN205896534U (en) * | 2016-07-11 | 2017-01-18 | 重庆三联管道设备有限公司 | Flange high temperature expansion festival |
| CN207049500U (en) * | 2017-03-31 | 2018-02-27 | 青岛东华能源设备制造有限公司 | A kind of alarm emergency compensator |
| CN207333992U (en) * | 2017-10-31 | 2018-05-08 | 高科橡塑工业有限公司 | A kind of high-pressure rubber pipe assembly |
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| US4602791A (en) * | 1984-02-15 | 1986-07-29 | Bran & Lubbe Gmbh | High pressure seal assembly |
| CN2929420Y (en) * | 2006-04-24 | 2007-08-01 | 江苏百新波纹管有限公司 | Rotary no-thrust pipeline telescopic device |
| CN103307401A (en) * | 2013-07-04 | 2013-09-18 | 德阳市瑞祥机械厂 | Double-water-cooling expansion joint |
| CN205896534U (en) * | 2016-07-11 | 2017-01-18 | 重庆三联管道设备有限公司 | Flange high temperature expansion festival |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838639A (en) * | 2019-04-01 | 2019-06-04 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of water cooling expansion joint suitable for high-temperature pipe connection |
| CN110762305A (en) * | 2019-11-15 | 2020-02-07 | 中国空气动力研究与发展中心超高速空气动力研究所 | Water-cooling test flange for hypersonic-velocity low-density wind tunnel stabilization section |
| CN112033632A (en) * | 2020-08-19 | 2020-12-04 | 中国科学院力学研究所 | Overload-proof compensator capable of bearing atmosphere dynamic load |
| CN112350206A (en) * | 2020-10-27 | 2021-02-09 | 山东电力工业锅炉压力容器检验中心有限公司 | Uninterrupted plugging device and plugging method for air leakage of expansion joint |
| CN114838904A (en) * | 2022-07-04 | 2022-08-02 | 中国航空工业集团公司沈阳空气动力研究所 | Flexible sealing automatic locking mechanism for high-temperature wind tunnel spray pipe |
| CN114838904B (en) * | 2022-07-04 | 2022-09-02 | 中国航空工业集团公司沈阳空气动力研究所 | Flexible sealing automatic locking mechanism for high-temperature wind tunnel spray pipe |
| CN115007066A (en) * | 2022-08-05 | 2022-09-06 | 山西阳煤化工机械（集团）有限公司 | Cold hydrogenation reactor |
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Application publication date: 20181012 |
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