CN217815660U - Pipeline with pressure compensation device - Google Patents
Pipeline with pressure compensation device Download PDFInfo
- Publication number
- CN217815660U CN217815660U CN202221383262.7U CN202221383262U CN217815660U CN 217815660 U CN217815660 U CN 217815660U CN 202221383262 U CN202221383262 U CN 202221383262U CN 217815660 U CN217815660 U CN 217815660U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- iii
- guide support
- compensation device
- pressure compensation
- 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
- 238000005452 bending Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims 1
- 230000004323 axial length Effects 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a take pressure compensating device's pipeline relates to pipeline accessory technical field. This take pressure compensating device's pipeline includes the elbow formula expansion joint of U-shaped, elbow formula expansion joint includes pipeline I, pipeline II, pipeline III, pipeline IV, pipeline V that communicate in proper order through the elbow, pipeline I, pipeline III and pipeline V parallel arrangement, pipeline III is including pipeline I, telescopic joint and the pipeline II that communicate in proper order. The pipeline with the pressure compensation device offsets the expansion caused by heat and the contraction caused by cold of the steam pipeline through the deformation capacity of the body, thereby enhancing the strength of the pipeline and prolonging the service life of the pipeline; and meanwhile, the expansion joint is arranged on the pipeline, so that the axial length of the pipeline is compensated.
Description
Technical Field
The utility model relates to a pipe fitting technical field, especially a take pressure compensating device's pipeline.
Background
Steam conduit is owing to need pass through high temperature steam, and steam can not supply with constantly again, when steam supply starts the stop, steam conduit just can receive expend with heat and contract with cold's influence, and this kind of influence can lead to the fault such as crack, sand eye to appear in the splice of pipeline, in order to avoid the appearance of this kind of condition, has installed the pipeline telescopic joint on a lot of pipelines at present for adjust the pipeline and receive the change that expend with heat and contract with cold caused, thereby avoid the pipeline to break down. However, the expansion joint on each pipeline needs to be installed at an interval of 4 meters according to requirements, so a large number of expansion joints need to be installed, and meanwhile, the service life of the expansion joint is not long, about 1 year, so that the use cost is high. The research is to find a method for prolonging the service life of the expansion joint, thereby reducing the cost of spare parts.
Disclosure of Invention
To the problem, the utility model provides a take pressure compensating device's pipeline to realize pipeline pressure compensation, extension pipeline life.
In order to solve the technical problem, the utility model provides a following technical scheme:
a pipeline with a pressure compensation device comprises a U-shaped bent pipe type expansion joint, wherein the bent pipe type expansion joint comprises a pipeline I, a pipeline II, a pipeline III, a pipeline IV and a pipeline V which are sequentially communicated through an elbow, the pipeline I, the pipeline III and the pipeline V are arranged in parallel, and the pipeline III comprises a pipeline I, an expansion joint and a pipeline II which are sequentially communicated;
the telescopic joint comprises a corrugated shell, a protection pull rod and a guide support, wherein the corrugated shell comprises a metal pipe section and a corrugated pipe section which are communicated with each other, flange plates are arranged at two ends of the corrugated shell, the guide support is symmetrically arranged on the inner side of each flange plate, a limit pin is arranged at the inner side end of each guide support, the protection pull rod comprises a movable rod and a movable pin fixed on the movable rod, and the movable pin can move in the guide support.
Further, pipeline III includes pipeline I, telescopic joint and pipeline II that communicate in proper order through the flange, be provided with sealed the pad between the flange.
Furthermore, the bending angle of the elbow is less than or equal to 110 degrees.
Furthermore, the pipeline I is an inlet pipeline, the pipeline V is an outlet pipeline, and the length of the pipeline I is smaller than that of the pipeline II.
Further, pipeline I and pipeline V's length all is greater than the triple of pipeline II's length the utility model has the advantages of as follows or beneficial effect:
the pipeline with the pressure compensation device is a section of bent pipeline manufactured according to the expansion amount, the bent pipeline counteracts the expansion and contraction of the steam pipeline through the deformation capacity of the shape body, the pipeline strength is enhanced, and the service life of the pipeline is prolonged; meanwhile, the telescopic joint is arranged on the section of the bent pipeline and is arranged on the pipeline III, so that the axial length of the pipeline is compensated, the service life of the telescopic joint is prolonged, and the pipeline compensation function of the telescopic joint is exerted to the maximum.
Drawings
The invention will be further explained with reference to the drawings and the specific embodiments,
fig. 1 is a schematic structural diagram of a pipeline with a pressure compensation device according to the present invention;
fig. 2 is a schematic structural view of the telescopic joint of the present invention.
In the figure: 1. a pipeline I; 2. a pipeline II; 3. a pipeline III; 31. a pipeline I; 32. an expansion joint; 321. a wave shell; 3211. a metal tube section; 3212. a corrugated pipe section; 322. a flange plate; 323. a guide bracket; 324. a protection pull rod; 3241. a movable rod; 3242. a movable pin; 33. a pipeline II; 4. a pipeline IV; 5. a pipeline V; 6. and (7) bending the pipe.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings. The specific embodiments of the present invention as set forth in the drawings are illustrative only and not intended to be strictly drawn to scale and to scale. Accordingly, the drawings in the present application should not be construed as limiting the present invention in any way. The protection scope of the present invention is defined by the claims.
For purposes of simplicity and clarity, only the details that are particularly pertinent to the present invention have been shown in some drawings. It should be understood that this manner of illustration does not exclude the presence of other details relevant to the present invention. Accordingly, the drawings of the present invention are not intended to limit the scope of the present invention.
The implementation mode is as follows:
referring to fig. 1-2, an embodiment of the present invention provides a pipeline with a pressure compensation device, including a U-shaped elbow expansion joint, which counteracts thermal expansion and cold contraction of a steam pipeline through the deformability of its body, so as to enhance the strength of the pipeline and prolong the service life of the pipeline. The pipeline comprises a pipeline I1, a pipeline II 2, a pipeline III 3, a pipeline IV 4 and a pipeline V5 which are sequentially communicated through an elbow 6, wherein the elbow 6 is connected with each pipeline through welding; pipeline I1, pipeline III 3 and pipeline V5 parallel arrangement, pipeline III 3 includes pipeline I31, telescopic joint 32 and pipeline II 33 that communicate in proper order through the flange, is provided with sealed the pad between the flange, and sealed pad is made by high temperature resistant waterproof material.
Referring to fig. 2, the telescopic joint 32 includes a bellows 321, a protection rod 324 and a guide bracket 323, the bellows 321 includes a metal pipe segment 3211 and a bellows segment 3212 which are connected to each other, and the bellows segment 3212 can axially extend and contract to perform axial length compensation of the pipe with the pressure compensation device. The two ends of the corrugated shell 321 are provided with flanges 322, the inner sides of the flanges 322 are symmetrically provided with guide supports 323, the inner side ends of the guide supports 323 are provided with limit pins, the protection pull rod 324 comprises a movable rod 3241 and a movable pin 3242 fixed on the movable rod 3241, and the movable pin 3242 can move in the guide supports 323. The limit pin limits the range of movement of the movable pin 3242 in order to prevent the bellows segment 3212 from moving more than the allowable amount of compensation during thermal expansion. All parts in the telescopic joint 32 are connected through full bolts, so that the telescopic joint forms a whole, is convenient to install and can bear the axial pressure of a pipeline.
Wherein,
the bending angle of the elbow 6 is less than or equal to 110 degrees, and the angle reaches the standard so as to avoid the influence caused by the vibration of the pipeline.
Pipeline I1 is the inlet pipeline, and pipeline V5 is the outlet pipeline.
The length of the pipeline I31 is smaller than that of the pipeline II 33, the length of the pipeline I31 is 300mm, the length of the pipeline II 33 is 500mm, the design ensures the stability of the pipeline where the expansion joint 32 is located, and simultaneously saves materials to a greater extent, the steam pressure born by the pipeline II 33 is larger, so that the required pipeline length is longer, and the pressure impact is relieved; the pressure is reduced after passing through the telescopic joint 32, and the pipeline I31 can meet the requirement of pipeline stability by having a straight pipe section of 300 mm.
The lengths of the pipeline I1 and the pipeline V5 are both three times larger than that of the pipeline II 33, and the effective distance can reduce the impact of steam pressure on the pipelines.
The above detailed description of the embodiments of the present invention is only for the preferred embodiments of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (5)
1. A pipeline with a pressure compensation device, which is characterized in that: the pipeline I, the pipeline III and the pipeline V are arranged in parallel, and the pipeline III comprises a pipeline I, an expansion joint and a pipeline II which are sequentially communicated;
the telescopic joint comprises a wave shell, a protection pull rod and a guide support, wherein the wave shell comprises a metal pipe section and a corrugated pipe section which are communicated with each other, flanges are arranged at two ends of the wave shell, the guide support is symmetrically arranged on the inner side of the flanges, a limiting pin is arranged at the inner side end of the guide support, the protection pull rod comprises a movable rod and a movable pin fixed on the movable rod, and the movable pin can move in the guide support.
2. A pipe with a pressure compensating device as claimed in claim 1, wherein: pipeline III includes pipeline I, telescopic joint and pipeline II that communicate in proper order through the flange, be provided with sealed the pad between the flange.
3. A duct with pressure compensation device as claimed in claim 1, wherein: the bending angle of the elbow is less than or equal to 110 degrees.
4. A pipe with a pressure compensating device as claimed in claim 1, wherein: pipeline I is the import pipeline, pipeline V is the export pipeline, pipeline I's length is less than pipeline II's length.
5. A pipe with a pressure compensating device as claimed in claim 1, wherein: the lengths of the pipeline I and the pipeline V are both greater than three times of the length of the pipeline II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221383262.7U CN217815660U (en) | 2022-06-02 | 2022-06-02 | Pipeline with pressure compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221383262.7U CN217815660U (en) | 2022-06-02 | 2022-06-02 | Pipeline with pressure compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217815660U true CN217815660U (en) | 2022-11-15 |
Family
ID=83989690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221383262.7U Active CN217815660U (en) | 2022-06-02 | 2022-06-02 | Pipeline with pressure compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217815660U (en) |
-
2022
- 2022-06-02 CN CN202221383262.7U patent/CN217815660U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215335125U (en) | Metal sleeve type pipeline compensator | |
| CN215635683U (en) | High leakproofness expansion joint | |
| CN208187229U (en) | A kind of novel heat exchange pipe expansion appliance | |
| CN217815660U (en) | Pipeline with pressure compensation device | |
| CN219304424U (en) | Flexible interface device for connecting two GIL buses | |
| CN206478369U (en) | A kind of axial expansion section | |
| CN216715565U (en) | High-pressure explosion-proof rotary compensator for material pipeline | |
| CN213361488U (en) | Corrugated compensator for engine | |
| CN215111259U (en) | Integral self-balancing expansion joint | |
| CN204692883U (en) | A kind of corrugated expansion joint | |
| CN209688327U (en) | A kind of U-shaped ripple volume compensator of thin wall multi-layer | |
| CN223411714U (en) | A wear-resistant metal bellows expansion joint | |
| CN112197090A (en) | Pressure balance type corrugated compensator | |
| CN213512613U (en) | Inner flow guide sleeve of metal compensator | |
| CN112283483A (en) | Thermal compensation device of space pipeline | |
| CN215950752U (en) | Internal-reinforced straight pipe pressure balance type expansion joint | |
| CN109681711B (en) | Kadan type expansion joint | |
| CN223648858U (en) | A high-temperature resistant, sealed, multi-directional compensator | |
| CN217302096U (en) | Direct-buried external pressure type corrugated expansion joint | |
| CN105299374A (en) | Novel expansion joint | |
| CN107218621B (en) | A kind of preheater of tool compensator protection structure | |
| CN223447953U (en) | A compound free type compensator | |
| CN220828651U (en) | Maintenance-free expansion device for powder hose expansion caused by boiler expansion | |
| CN102966421B (en) | Exhaust compensation pipe structure of diesel engine | |
| CN221974651U (en) | A disposable bellows compensator with displacement detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |