CN105909911A - Pipeline pressure fluctuation damping device - Google Patents
Pipeline pressure fluctuation damping device Download PDFInfo
- Publication number
- CN105909911A CN105909911A CN201610360505.8A CN201610360505A CN105909911A CN 105909911 A CN105909911 A CN 105909911A CN 201610360505 A CN201610360505 A CN 201610360505A CN 105909911 A CN105909911 A CN 105909911A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- damping oil
- damping
- elastic
- pipeline
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 239000012528 membrane Substances 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 abstract description 2
- 230000000875 corresponding Effects 0.000 abstract 1
- 230000002035 prolonged Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 208000008425 Protein Deficiency Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000644 propagated Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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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
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
- F16L55/05—Buffers therefor
-
- 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
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
- F16L55/05—Buffers therefor
- F16L55/052—Pneumatic reservoirs
- F16L55/053—Pneumatic reservoirs the gas in the reservoir being separated from the fluid in the pipe
- F16L55/054—Pneumatic reservoirs the gas in the reservoir being separated from the fluid in the pipe the reservoir being placed in or around the pipe from which it is separated by a sleeve-shaped membrane
Abstract
The invention relates to a pipeline pressure fluctuation damping device. The pipeline pressure fluctuation damping device comprises a cylinder arranged in a pipeline. A fluid cavity is formed in the direction of the central axis of the cylinder. Damping oil cavities and compressed air cavities are sequentially formed between the fluid cavity and the inner wall of the cylinder. The fluid cavity and the damping oil cavities are partitioned through elastic inner films. Damping hole plate sets are arranged in the damping oil cavities. Each compressed air cavity comprises an elastic air cushion communicating with a pressurizing and pressure detecting connector arranged on the outer wall of the cylinder. The two sides of the cylinder are connected with inner flanges through threads and sealed through O-shaped rings and stop rings. The inner flanges and the elastic inner films are matched to achieve sealing of the damping oil cavities. The inner flange on at least one side is provided with a through hole which communicates with the corresponding damping oil cavity and is provided with a plug. The inner flanges on the two sides are connected with outer flanges through bolts evenly distributed in the circumferential direction, wherein the outer flanges are used for being connected with an upstream pipeline and a downstream pipeline. According to the pipeline pressure fluctuation damping device, the fluid pulsation peak value can be effectively and greatly reduced, the work performance of equipment and accessories is guaranteed, and the service life is prolonged.
Description
Technical field
The present invention relates to fluid delivery pipeline system noise reduction technology field, specifically a kind of loine pressure fluctuation damper.
Background technology
The pressure oscillation that pressure fluctuation, the compression shock of system condition conversion generation and the pipeline break-make that fluid delivery system medium power source produces produces the most easily is propagated along the fluid in pipeline, has a strong impact on devices in system and the service behaviour of adnexa and service life.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that a kind of loine pressure fluctuation damper, the peak value of fluid pulsation can be effectively greatly reduced, it is ensured that equipment and the service behaviour of adnexa, increase the service life.
nullFor realizing above-mentioned technical purpose，The scheme that the present invention provides is: a kind of loine pressure fluctuation damper，Including the cylinder being located in pipeline，The direction, axis of cylinder is fluid cavity，Damping oil pocket and compressed air cell is set gradually between fluid cavity and cylinder inboard wall，Separated by elastic inner membrane between fluid cavity and damping oil pocket，Damping oil intracavity arranges damping orifice plate group，Compressed air cell includes elastic air pad，This elastic air pad and the pressurising and the pressure detecting fittings that are arranged at cylinder body outer wall，Cylinder both sides are all threaded connection inner flange and are sealed by O and back-up ring，Inner flange coordinates the sealing realizing damping oil pocket with elastic inner membrane，At least inner flange of side is provided with and the through hole damping oil pocket and connect and be provided with plug，The inner flange of both sides passes through the uniform bolt of circumference respectively and is used for being connected、The outward flange of downstream pipe connects.
And, damping orifice plate group and include the tubular plate that multilamellar is with holes, between every layer of tubular plate, there is the gap damping oil pocket inside and outside connection damping orifice plate group, the damping oil of damping oil intracavity can flow in the aperture in damping orifice plate group and gap.
And, elastic air pad includes the air-cushion unit of multiple intercommunication.
The beneficial effects of the present invention is: simple in construction, be skillfully constructed；The pressure fluctuation energy of fluid can be converted into heat energy by friction by damping orifice plate group；Elastic air pad is equivalent to an accumulator with the compound action of elastic inner membrane, can effectively reduce the peak value of fluid pressure fluctuations.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is left view in Fig. 1.
Wherein, 1, bolt, 2, spring pad, 3, pad, 4, outward flange, 5, pressurising and pressure detecting joint, 6, cylinder, 7, elastic air pad, 8, damping orifice plate group, 9, elastic inner membrane, 10, O, 11, back-up ring, 12, inner flange, 13, plug.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
The present embodiment provides a kind of loine pressure fluctuation damper, and as depicted in figs. 1 and 2, including the cylinder 6 being located in pipeline, the direction, axis of cylinder 6 is fluid cavity, sets gradually damping oil pocket and compressed air cell between fluid cavity and cylinder 6 inwall.
Separated by elastic inner membrane 9 between fluid cavity and damping oil pocket.Elastic inner membrane 9 is for separating fluid cavity and damping oil pocket, and is delivered to the pressure oscillation in fluid cavity damp oil pocket.
Damping oil intracavity arranges damping orifice plate group 8, damping orifice plate group 8 includes the tubular plate that multilamellar is with holes, there is the gap damping oil pocket inside and outside connection damping orifice plate group 8 between every layer of tubular plate, the damping oil of damping oil intracavity can flow in the aperture in damping orifice plate group 8 and gap.Kinetic energy during flowing, is changed into heat energy by friction in damping orifice plate group 8 by damping oil.
Compressed air cell includes that elastic air pad 7, elastic air pad 7 include the air-cushion unit of multiple intercommunication.This elastic air pad 7 connects with the pressurising being arranged at cylinder 6 outer wall and pressure detecting joint 5, can as required at pressurising and pressure detecting joint 5 to insufflation gas in elastic air pad 7, and detect the pressure in elastic air pad 7.
Cylinder 6 both sides are all threaded connection inner flange 12 and are sealed by O 10 and back-up ring 11, and inner flange 12 coordinates the sealing realizing damping oil pocket with elastic inner membrane 9.
At least inner flange 12 of side is provided with and the through hole damping oil pocket and connect and be provided with plug 13, before assembling outward flange 4, by the through hole on inner flange 12, will fill damping oil in damping oil pocket.
The inner flange 12 of both sides passes through the uniform bolt 1 of circumference, spring pad 2, pad 3 respectively and connects for being connected the outward flange 4 of upstream and downstream pipeline.
Elastic air pad 7 and the combination of elastic inner membrane 9, can effectively be greatly reduced the peak value of fluid pulsation.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvement or deformation, these improve or deformation also should be regarded as protection scope of the present invention.
Claims (3)
1. a loine pressure fluctuation damper, including the cylinder being located in pipeline, it is characterized in that: the direction, axis of cylinder is fluid cavity, damping oil pocket and compressed air cell is set gradually between fluid cavity and cylinder inboard wall, separated by elastic inner membrane between fluid cavity and damping oil pocket, damping oil intracavity arranges damping orifice plate group, compressed air cell includes elastic air pad, this elastic air pad and the pressurising and the pressure detecting fittings that are arranged at cylinder body outer wall, cylinder both sides are all threaded connection inner flange and are sealed by O and back-up ring, inner flange coordinates the sealing realizing damping oil pocket with elastic inner membrane, the at least inner flange of side is provided with and the through hole damping oil pocket and connect and be provided with plug, the inner flange of both sides passes through the uniform bolt of circumference respectively and is used for being connected, the outward flange of downstream pipe connects.
Loine pressure the most according to claim 1 fluctuation damper, it is characterised in that: damping orifice plate group includes the tubular plate that multilamellar is with holes, there is connection and damp the gap of the damping oil pocket inside and outside orifice plate group between every layer of tubular plate.
Loine pressure the most according to claim 1 fluctuation damper, it is characterised in that: elastic air pad includes the air-cushion unit of multiple intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360505.8A CN105909911B (en) | 2016-05-28 | 2016-05-28 | Loine pressure fluctuates damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360505.8A CN105909911B (en) | 2016-05-28 | 2016-05-28 | Loine pressure fluctuates damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105909911A true CN105909911A (en) | 2016-08-31 |
| CN105909911B CN105909911B (en) | 2018-01-02 |
Family
ID=56742479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610360505.8A Expired - Fee Related CN105909911B (en) | 2016-05-28 | 2016-05-28 | Loine pressure fluctuates damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105909911B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915975A (en) * | 2018-08-09 | 2018-11-30 | 山东禹王生态食业有限公司 | Food high-pressure pump surging abatement device |
| CN109780361A (en) * | 2019-01-28 | 2019-05-21 | 大连大学 | A kind of pipeline wideband fluid pressure pulse damper |
| CN114458855A (en) * | 2022-02-08 | 2022-05-10 | 燕山大学 | Fluid pulsation attenuator based on mass-spring system and vibration absorption method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1373967A1 (en) * | 1986-07-02 | 1988-02-15 | Предприятие П/Я А-1882 | Hydraulic pressure fluctuation damper |
| US6305421B1 (en) * | 1997-06-06 | 2001-10-23 | Eduard Kusters Maschinenfabrik Gmbh & Co. Kg | Tubular element and device equipped therewith for applying a fluid processing agent to a strip of fabric |
| CN2611657Y (en) * | 2003-01-23 | 2004-04-14 | 王祖林 | Pipeline accumulator |
| CN103388607A (en) * | 2013-08-06 | 2013-11-13 | 奉化市朝日液压有限公司 | Pipe type wave absorber |
| CN205781664U (en) * | 2016-05-28 | 2016-12-07 | 中国船舶重工集团公司第七一九研究所 | Loine pressure fluctuation damper |
-
2016
- 2016-05-28 CN CN201610360505.8A patent/CN105909911B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1373967A1 (en) * | 1986-07-02 | 1988-02-15 | Предприятие П/Я А-1882 | Hydraulic pressure fluctuation damper |
| US6305421B1 (en) * | 1997-06-06 | 2001-10-23 | Eduard Kusters Maschinenfabrik Gmbh & Co. Kg | Tubular element and device equipped therewith for applying a fluid processing agent to a strip of fabric |
| CN2611657Y (en) * | 2003-01-23 | 2004-04-14 | 王祖林 | Pipeline accumulator |
| CN103388607A (en) * | 2013-08-06 | 2013-11-13 | 奉化市朝日液压有限公司 | Pipe type wave absorber |
| CN205781664U (en) * | 2016-05-28 | 2016-12-07 | 中国船舶重工集团公司第七一九研究所 | Loine pressure fluctuation damper |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915975A (en) * | 2018-08-09 | 2018-11-30 | 山东禹王生态食业有限公司 | Food high-pressure pump surging abatement device |
| CN108915975B (en) * | 2018-08-09 | 2020-07-17 | 山东禹王生态食业有限公司 | Pulsation reducing device for food high-pressure pump |
| CN109780361A (en) * | 2019-01-28 | 2019-05-21 | 大连大学 | A kind of pipeline wideband fluid pressure pulse damper |
| CN114458855A (en) * | 2022-02-08 | 2022-05-10 | 燕山大学 | Fluid pulsation attenuator based on mass-spring system and vibration absorption method thereof |
| CN114458855B (en) * | 2022-02-08 | 2022-10-14 | 燕山大学 | Fluid pulsation attenuator based on mass-spring system and vibration absorption method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105909911B (en) | 2018-01-02 |
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| PB01 | Publication | ||
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20180528 |
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| CF01 | Termination of patent right due to non-payment of annual fee |