CN112555517B - Pipeline radial vibration reduction and isolation wall penetrating structure and sealing performance monitoring method thereof - Google Patents
Pipeline radial vibration reduction and isolation wall penetrating structure and sealing performance monitoring method thereof Download PDFInfo
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- CN112555517B CN112555517B CN202011379085.0A CN202011379085A CN112555517B CN 112555517 B CN112555517 B CN 112555517B CN 202011379085 A CN202011379085 A CN 202011379085A CN 112555517 B CN112555517 B CN 112555517B
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- wall
- flexible ring
- pipeline
- vibration isolation
- penetrating
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- 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
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
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- 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
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
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- 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
- F16L55/033—Noise absorbers
- F16L55/035—Noise absorbers in the form of specially adapted hangers or supports
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
Abstract
The invention relates to the technical field of pipeline vibration reduction and isolation, and discloses a pipeline radial vibration reduction and isolation wall penetrating structure and a sealing performance monitoring method thereof. Compared with the original welding type wall penetrating structure, the pipeline radial vibration reduction and isolation wall penetrating structure and the sealing performance monitoring method thereof can greatly reduce pipeline vibration radiation noise, ensure that adjacent systems and equipment are prevented from being interfered by vibration, reduce noise pollution and improve cabin comfort. The through-wall structure is particularly suitable for high-temperature pipelines, such as steam pipelines.
Description
Technical Field
The invention relates to the technical field of pipeline vibration reduction and isolation, in particular to a pipeline radial vibration reduction and isolation wall penetrating structure and a sealing performance monitoring method thereof.
Background
The steam pipeline is an essential part in a ship system and plays a role in working medium conveying and energy transfer. Due to the dispersed and complicated arrangement of ship system equipment, a steam pipeline inevitably needs to penetrate through some wall surfaces with sealing requirements, such as a box body, a bulkhead and the like. Traditionally, the pipe is welded directly to the wall and the pipe is rigidly connected to the wall.
Because fluid flow and rotary machine excitation such as air compressor machine, pump, steam conduit can produce the vibration to wear the wall structure through this kind of tradition welded type and directly transmit to the wall, and then transmit other equipment and system, seriously influence some performances and the life-span that have strict control requirement part to the vibration such as bearing, heat exchange tube, steam conduit vibration still can produce the radiation noise simultaneously, reduces cabin comfort level, pollutes marine ecological environment.
The traditional welding type pipeline wall penetrating structure has the problems that due to the vibration of the pipeline, the connected parts are greatly influenced, and radiation noise is generated.
Disclosure of Invention
The invention provides a pipeline radial vibration reduction and isolation wall penetrating structure and a sealing performance monitoring method thereof, which are used for solving or partially solving the problems that the traditional welding type pipeline wall penetrating structure greatly influences connected parts due to pipeline vibration and generates radiation noise.
The invention provides a pipeline radial vibration reduction and isolation wall penetrating structure which comprises an outer pipe arranged on the periphery of a wall penetrating pipeline, wherein the outer side surface of the outer pipe is connected with a wall surface, a vibration isolation assembly is hermetically connected between the outer side surface of the wall penetrating pipeline and the inner side surface of the outer pipe, and the vibration isolation assembly is annularly arranged on the periphery of the wall penetrating pipeline.
Based on the pipe radial vibration reduction and isolation wall penetrating structure provided by the invention, the wall penetrating pipe comprises a transition pipe, and two ends of the transition pipe are correspondingly and fixedly connected with the pipes on two sides of the wall surface.
According to the pipe radial vibration reduction and isolation wall penetrating structure provided by the invention, a distance is reserved between the vibration isolation assembly and the wall penetrating pipe.
Based on the pipe radial vibration reduction and isolation wall penetrating structure provided by the invention, the vibration isolation assembly comprises a first flexible ring and a second flexible ring, the sections of the first flexible ring and the second flexible ring are respectively of a bent structure, the openings of the first flexible ring and the second flexible ring are oppositely arranged, one side of the opening of the first flexible ring and the corresponding side of the opening of the second flexible ring are hermetically connected to the outer pipe through an outer ring, and the other side of the opening of the first flexible ring and the corresponding side of the opening of the second flexible ring are hermetically connected to the wall penetrating pipe through an inner ring.
Based on the pipeline radial vibration reduction and isolation wall penetrating structure provided by the invention, the outer side of the outer ring is connected to the outer pipe, and two sides of the inner side of the outer ring are correspondingly connected with the first flexible ring and the second flexible ring; the two sides of the outer side of the inner ring are correspondingly connected with the first flexible ring and the second flexible ring, and the inner side of the inner ring is connected with the wall penetrating pipeline.
Based on the pipeline radial vibration reduction and isolation wall penetrating structure provided by the invention, the sections of the first flexible ring and the second flexible ring are respectively U-shaped.
Based on the pipe radial vibration reduction and isolation wall penetrating structure provided by the invention, damping materials are filled in a first closed cavity formed by enclosing the first flexible ring and the second flexible ring.
Based on the pipeline radial vibration reduction and isolation wall penetrating structure provided by the invention, a plurality of vibration isolation assemblies are arranged at intervals along the axial direction of the wall penetrating pipeline.
Based on the pipeline radial vibration reduction and isolation wall penetrating structure provided by the invention, a second closed cavity is formed between every two adjacent vibration isolation assemblies, and a pressure sensor is arranged in at least one second closed cavity.
The invention also provides a method for monitoring the sealing performance of the pipeline radial vibration reduction and isolation wall penetrating structure, which is based on the pipeline radial vibration reduction and isolation wall penetrating structure and comprises the following steps: the first pressure of the first side space and the second pressure of the second side space of the initial setting wall surface are different from the third pressure of a second closed cavity formed between two adjacent vibration isolation assemblies; monitoring the third pressure in real time; if the third pressure changes to the first pressure, the vibration isolation assembly positioned on the first side of the second closed cavity leaks; if the third pressure changes to the second pressure, the vibration isolation assembly located on the second side of the second enclosed cavity leaks.
Compared with the original welding type wall penetrating structure, the pipeline radial vibration reduction and isolation wall penetrating structure and the sealing performance monitoring method thereof can greatly reduce pipeline vibration radiation noise, ensure that adjacent systems and equipment are prevented from being interfered by vibration, reduce noise pollution and improve cabin comfort. The through-wall structure is particularly suitable for high-temperature pipelines, such as steam pipelines.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a piping path vibration reducing partition wall structure provided by the present invention;
FIG. 2 is a cross-sectional schematic view of the vibration isolation assembly provided by the present invention;
FIG. 3 is a schematic cross-sectional view of a second flexible ring provided by the present invention.
Reference numerals:
1. a transition duct; 2a, a first vibration isolation assembly; 2b, a second vibration isolation assembly; 21. a first flexible ring; 22. a damping material; 23. an outer ring; 24. a second flexible ring; 25. an inner ring; 26. an outer connecting surface; 27. an interconnect junction; 3. an outer tube; 4. a wall surface; 5. a right side pipeline; 6. a left side pipeline; 7. a pressure sensor; 8. a second enclosed cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The piping radial vibration reduction isolation penetrating wall structure and the method for monitoring the sealability thereof according to the present invention will be described with reference to fig. 1 to 3.
Referring to fig. 1, the present embodiment provides a pipe radial vibration reduction and isolation wall penetrating structure, which includes an outer pipe 3 disposed on the periphery of the wall penetrating pipe, an outer side surface of the outer pipe 3 is connected to a wall surface 4, a vibration isolation assembly is hermetically connected between the outer side surface of the wall penetrating pipe and an inner side surface of the outer pipe 3, and the vibration isolation assembly is annularly disposed on the periphery of the wall penetrating pipe.
The through-wall pipeline is a pipeline which needs to penetrate through the wall surface 4; the wall 4 is a wall 4 with sealing requirements for a box body, a bulkhead and the like through which the pipeline needs to pass. At the point where the through-wall conduit passes through, an opening may be provided in the wall surface 4 for the through-wall conduit to pass through. The through-wall line is not directly connected to the wall 4 in the opening; but is connected to the wall surface 4 via a vibration isolating assembly and an outer tube 3. The outer tube 3 may facilitate the attachment of the vibration isolation assembly. The vibration isolation assembly is arranged between the wall penetrating pipeline and the wall surface 4 and can play a role in vibration isolation and buffering. Specifically, the vibration isolation assembly is located on the periphery of the through-wall pipeline, so that the through-wall pipeline and the wall surface 4 have vibration isolation and buffering effects in the radial direction. And the vibration isolation assembly is hermetically connected between the wall penetrating pipeline and the outer pipe 3, and can also ensure the sealing isolation of the spaces at two sides of the wall surface 4.
The radial vibration reduction and isolation wall penetrating structure for the pipeline provided by the embodiment has the advantages that compared with an original welding type wall penetrating structure, the vibration radiation noise of the pipeline can be greatly reduced, adjacent systems and equipment are prevented from being interfered by vibration, the noise pollution is reduced, and the cabin comfort level is improved. The through-wall structure is particularly suitable for high-temperature pipelines, such as steam pipelines.
On the basis of the above embodiment, further, the through-wall pipeline includes a transition pipe 1, and both ends of the transition pipe 1 are used for being fixedly connected with the pipelines on both sides of the wall surface 4 correspondingly.
On the basis of the above embodiment, further, a distance is provided between the vibration isolation assembly and the through-wall pipeline. Namely, a gap is formed between the vibration isolation assembly and the outer side surface of the through-wall pipeline. Such that the vibration isolation assembly is not in direct contact with the through-wall conduit. Therefore, when the through-wall pipeline is a high-temperature pipeline, the vibration isolation assembly can be prevented from being failed due to overhigh temperature, and the radial vibration isolation through-wall structure of the pipeline can be suitable for the high-temperature pipeline, such as a steam pipeline, so that the problem of through-wall vibration isolation of the high-temperature pipeline is solved.
On the basis of the above embodiment, further, referring to fig. 2, the vibration isolation assembly includes a first flexible ring 21 and a second flexible ring 24, the cross sections of which are respectively of a bending structure, the openings of the first flexible ring 21 and the second flexible ring 24 are oppositely arranged, one side of the opening of the first flexible ring 21 and one side corresponding to the opening of the second flexible ring 24 are hermetically connected to the outer tube 3 through an outer ring 23, and the other side of the opening of the first flexible ring 21 and one side corresponding to the opening of the second flexible ring 24 are hermetically connected to the wall penetrating pipeline through an inner ring 25.
On the basis of the above embodiment, further, the outer side of the outer ring 23 is connected to the outer tube 3, and both sides of the inner side of the outer ring 23 are correspondingly connected with the first flexible ring 21 and the second flexible ring 24; the two sides of the outer side of the inner ring 25 are correspondingly connected with the first flexible ring 21 and the second flexible ring 24, and the inner side of the inner ring 25 is connected with the wall penetrating pipeline.
On the basis of the above embodiment, further, the cross sections of the first flexible ring 21 and the second flexible ring 24 are respectively U-shaped.
Specifically, referring to fig. 2, in the present embodiment, the cross section of the first flexible ring 21 and the second flexible ring 24 is formed into a U-shaped structure, so that both the first flexible ring 21 and the second flexible ring 24 have a large flexibility in the radial direction. The first flexible ring 21 and the second flexible ring 24 have openings facing each other, and the inner side and the outer side of the openings can be respectively provided with a connecting surface for connecting with the inner ring 25 and the outer ring 23. Taking the second flexible ring 24 as an example, referring to fig. 3, the outer side of the opening of the second flexible ring 24 is connected with an outer connecting surface 26 outwards, and the inner side of the opening of the second flexible ring 24 is connected with an inner connecting surface 27 inwards. The outer connection surfaces 26 of the first flexible ring 21 and the second flexible ring 24 may be welded to both sides of the outer ring 23, and the inner connection surfaces 27 thereof may be welded to both sides of the inner ring 25.
Further, the first flexible ring 21 and the second flexible ring 24 may also have other shapes, such as a C shape or other irregular shapes, for the purpose of being able to form a first closed cavity as a housing enclosure connection, and are not limited in particular.
On the basis of the above embodiment, further, the first closed cavity formed by the first flexible ring 21 and the second flexible ring 24 is filled with the damping material 22. The damping material 22 is filled in a first closed cavity surrounded by the first flexible ring 21, the second flexible ring 24, the outer ring 23 and the inner ring 25. The damping material 22 may be made of rubber, sand, metal damping, and other materials with good damping characteristics, and is not limited specifically.
Further, the first flexible ring 21 and the second flexible ring 24 may be a metal material; the whole structure is a shell structure, has certain deformability, can be conveniently and firmly connected by welding and the like, can ensure certain rigidity to improve the structural stability, and can resist certain high temperature, so that the wall penetrating structure is more suitable for the wall penetrating of a high-temperature pipeline. The inner and outer rings 25, 23 may be of a stiff material for connecting the vibration isolation assembly to the through-wall conduit and the vibration isolation assembly to the outer tube 3, serving to support the connection and isolate the vibration isolation assembly from the through-wall conduit.
In addition to the above embodiments, a plurality of vibration isolation assemblies are further provided at intervals in the axial direction of the through-wall conduit. Each vibration isolation assembly may form a sealed barrier between the sides of the wall 4. The plurality of vibration isolation assemblies can realize better vibration isolation and buffering, and can realize multiple sealing between two sides of the wall surface 4. The specific number of the vibration isolation assemblies is not limited.
On the basis of the above embodiment, further, a second closed cavity 8 is formed between two adjacent vibration isolation assemblies, and a pressure sensor 7 is arranged in at least one second closed cavity 8. Specifically, the outer tube 3 is provided with a threaded hole in which the pressure sensor 7 is mounted.
On the basis of the foregoing embodiments, further, the present embodiment provides a method for monitoring the sealing performance of a pipeline radial vibration reduction and isolation penetrating wall structure, where the pipeline radial vibration reduction and isolation penetrating wall structure according to any of the foregoing embodiments includes: the first pressure of the first side space and the second pressure of the second side space of the initial setting wall surface 4 are different from the third pressure of the second closed cavity 8 formed between two adjacent vibration isolation components; monitoring the third pressure in real time; if the third pressure changes to the first pressure, the vibration isolation assembly located on the first side of the second enclosed cavity 8 leaks; if the third pressure changes to the second pressure, the vibration isolation assembly located on the second side of the second enclosed cavity 8 leaks.
Specifically, when a plurality of second closed cavities 8 are formed by a plurality of vibration isolation assemblies, pressure monitoring can be performed in one of the second closed cavities 8, so as to monitor the sealing performance of the vibration isolation assemblies on two sides of the second closed cavity 8 in time. Pressure monitoring can also be respectively carried out in the plurality of second closed cavities 8, and the specific respective tightness of the plurality of vibration isolation assemblies can be monitored, and the method is not limited specifically.
In addition to the above embodiments, referring to fig. 1, the present embodiment proposes a radial vibration damping wall structure of a steam pipeline, which performs vibration damping on the steam pipeline while ensuring the sealing performance of the wall surface 4. The specific technical scheme is as follows: a steam line radial vibration reduction isolation through-wall structure comprising: transition pipe 1, first vibration isolation component 2a, second vibration isolation component 2b, outer tube 3, pressure sensor 7. The outer pipe 3 is welded on the wall surface 4, and two ends of the transition pipe 1 are respectively welded with the left pipeline 6 of the wall surface 4 and the right pipeline 5 of the wall surface 4.
The first and second vibration isolation assemblies 2a and 2b respectively include: a first flexible ring 21, a second flexible ring 24, an outer ring 23, an inner ring 25 and a damping material 22. The first vibration isolation assembly 2a and the second vibration isolation assembly 2b are located in the annular space between the transition duct 1 and the outer duct 3, the outer ring 23 of which is welded to the inner wall of the outer duct 3 and the inner ring 25 of which is welded to the outer wall of the transition duct 1. The first vibration isolation assembly 2a and the second vibration isolation assembly 2b form two seals to separate the left side space and the right side space of the wall surface 4, so that the sealing structure of the wall surface 4 is ensured to be complete.
The transition pipe 1, the first vibration isolation assembly 2a, the second vibration isolation assembly 2b and the outer pipe 3 enclose a closed space. Assume that the pressure on the left side of wall 4 is P1 and the pressure on the right side of wall 4 is P2. The pressure of the enclosed space is pumped to P3.
Based on the technical scheme, when the first vibration isolation assembly 2a is damaged, the closed space is communicated with the left side of the wall surface 4, the pressure sensor 7 detects that P3 is equal to P1, and an alarm is given to prompt that the first vibration isolation assembly 2a is damaged; when the second vibration damping unit 2b is broken, the closed space communicates with the right side of the wall surface 4, and the pressure sensor 7 detects that P3 is equal to P2, and gives an alarm to indicate that the second vibration damping unit 2b is broken.
Through the technical scheme of the embodiment, the following technical purposes and beneficial effects can be achieved: compared with the original welding type wall penetrating structure, the pipeline radial vibration reduction and isolation structure of the embodiment can greatly reduce the vibration radiation noise of the steam pipeline, ensure that adjacent systems and equipment are prevented from being interfered by vibration, reduce noise pollution and improve the comfort level of the cabin; two sealing barriers are formed by arranging the first vibration isolation assembly 2a and the second vibration isolation assembly 2b, so that the sealing reliability of the wall surface 4 is improved; the leakage monitoring method for the flexible cabin penetrating device of the pipeline is provided, leakage faults can be found in time, accidents are prevented from further worsening, and system safety is improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The pipeline radial vibration reduction and isolation wall penetrating structure is characterized by comprising an outer pipe arranged on the periphery of a wall penetrating pipeline, wherein the outer side surface of the outer pipe is connected with a wall surface, a vibration isolation assembly is hermetically connected between the outer side surface of the wall penetrating pipeline and the inner side surface of the outer pipe, and the vibration isolation assembly is annularly arranged on the periphery of the wall penetrating pipeline;
the vibration isolation assembly is spaced from the through-wall pipeline;
the vibration isolation assembly comprises a first flexible ring and a second flexible ring, the cross sections of the first flexible ring and the second flexible ring are respectively of a bending structure, openings of the first flexible ring and the second flexible ring are oppositely arranged, one side of the opening of the first flexible ring and one side corresponding to the opening of the second flexible ring are connected with the outer pipe through outer ring sealing, and the other side of the opening of the first flexible ring and one side corresponding to the opening of the second flexible ring are connected with the wall penetrating pipeline through inner ring sealing.
2. The pipe radial vibration reduction and isolation penetrating wall structure according to claim 1, wherein the penetrating wall pipe comprises a transition pipe, and two ends of the transition pipe are used for being fixedly connected with the pipes on two sides of the wall surface correspondingly.
3. The pipe radial vibration reduction and isolation penetrating wall structure according to claim 1, wherein the outer side of the outer ring is connected to the outer pipe, and two sides of the inner side of the outer ring are correspondingly connected with the first flexible ring and the second flexible ring; the two sides of the outer side of the inner ring are correspondingly connected with the first flexible ring and the second flexible ring, and the inner side of the inner ring is connected with the wall penetrating pipeline.
4. The piping radial vibration isolation penetrating wall structure of claim 1, wherein said first flexible ring and said second flexible ring are each U-shaped in cross-section.
5. The piping radial vibration isolation penetrating wall structure according to claim 1, wherein a first closed cavity formed by the first flexible ring and the second flexible ring is filled with a damping material.
6. The conduit radial vibration isolation through-wall structure of claim 1 or 2, wherein a plurality of said vibration isolation assemblies are provided at intervals along an axial direction of said through-wall conduit.
7. The piping radial vibration isolation penetrating wall structure of claim 6, wherein a second closed cavity is formed between two adjacent vibration isolation assemblies, and a pressure sensor is provided in at least one of said second closed cavities.
8. A method for monitoring the sealing performance of a pipeline radial vibration reduction and isolation wall penetrating structure, which is based on the pipeline radial vibration reduction and isolation wall penetrating structure of any one of claims 1 to 7, and comprises the following steps:
the first pressure of the first side space and the second pressure of the second side space of the initial setting wall surface are different from the third pressure of a second closed cavity formed between two adjacent vibration isolation assemblies;
monitoring the third pressure in real time;
if the third pressure changes to the first pressure, the vibration isolation assembly positioned on the first side of the second closed cavity leaks;
if the third pressure changes to the second pressure, the vibration isolation assembly located on the second side of the second enclosed cavity leaks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011379085.0A CN112555517B (en) | 2020-11-30 | 2020-11-30 | Pipeline radial vibration reduction and isolation wall penetrating structure and sealing performance monitoring method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011379085.0A CN112555517B (en) | 2020-11-30 | 2020-11-30 | Pipeline radial vibration reduction and isolation wall penetrating structure and sealing performance monitoring method thereof |
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| CN112555517A CN112555517A (en) | 2021-03-26 |
| CN112555517B true CN112555517B (en) | 2022-08-02 |
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| CN202011379085.0A Active CN112555517B (en) | 2020-11-30 | 2020-11-30 | Pipeline radial vibration reduction and isolation wall penetrating structure and sealing performance monitoring method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101858464A (en) * | 2009-04-11 | 2010-10-13 | 牟义慧 | Sealed elastic compensation sleeve |
| AU2014370264B2 (en) * | 2013-12-27 | 2019-03-28 | Conocophillips Company | Conduit seal assembly |
| GB201601820D0 (en) * | 2016-02-02 | 2016-03-16 | Rolls Royce Power Eng | An arrangement for adjoining a support structure to a pipe |
| CN106439239A (en) * | 2016-12-12 | 2017-02-22 | 中国船舶重工集团公司第七〇九研究所 | Pipeline penetration structure |
| CN108980471A (en) * | 2018-08-07 | 2018-12-11 | 中国船舶重工集团公司第七〇九研究所 | A kind of flexibility crossing cabin part peculiar to vessel |
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