CN110440086A - Inhibit the device that fluid is rapid in pipeline - Google Patents
Inhibit the device that fluid is rapid in pipeline Download PDFInfo
- Publication number
- CN110440086A CN110440086A CN201910758711.8A CN201910758711A CN110440086A CN 110440086 A CN110440086 A CN 110440086A CN 201910758711 A CN201910758711 A CN 201910758711A CN 110440086 A CN110440086 A CN 110440086A
- Authority
- CN
- China
- Prior art keywords
- spring
- pipeline
- fluid
- unhurried current
- piston
- 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
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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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/027—Throttle passages
- F16L55/02709—Throttle passages in the form of perforated plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/02—Influencing flow of fluids in pipes or conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/02—Influencing flow of fluids in pipes or conduits
- F15D1/025—Influencing flow of fluids in pipes or conduits by means of orifice or throttle elements
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pipeline Systems (AREA)
- Fluid-Pressure Circuits (AREA)
- Safety Valves (AREA)
Abstract
The purpose of the present invention is to provide the devices that fluid in a kind of inhibition pipeline is rapid, the present invention includes interconnected pipeline input terminal and pipeline output end, branch pipe is equipped with close to one end of pipeline input terminal, the end of the branch pipe is equipped with fluid pressure release component, the opening of the branch pipe is tilted to pipeline input terminal side, it is equipped with unhurried current component close to one end of pipeline output end between the pipeline input terminal, pipeline output end, is equipped with flow measurement component close to the side of pipeline output end；Fluid pressure release component of the present invention can be effectively to turbulent fluid pressure release, and the component that flows slowly effectively makes turbulent fluid flow slowly.
Description
Technical field
The invention belongs to fluid engineering fields, and in particular to what one kind effectively flow slowly inhibits the dress that fluid is rapid in pipeline
It sets.
Background technique
Pipeline refers to the pipeline of transmission working fluid.Because of the flexibility of pipeline, pipeline is commonly used for hydraulic system etc. and leans on
The mechanical equipment or baric systerm and pneumatic compression devices of liquid driven.In complicated topographical conditions, harsh environmental conditions, bend is more, turns
Curved urgency, water supply drop elevation are big, and siphonage is serious, often generates installation pipeline at impact dynamic pressure, and it is rapid to be easy to appear fluid
The phenomenon that.In addition in small fluid transmission lines as there is the rapid situation of fluid in source pressure transient, tradition
Equipment in lack and a kind of can inhibit the device that fluid is rapid in pipeline with significant effective.
Summary of the invention
In order to overcome the above technical problems, the purpose of the present invention is to provide one kind by effective pressure release, unhurried current, choked flow come
Inhibit the device that fluid is rapid in pipeline.
Based on above-mentioned purpose, the present invention is adopted the following technical scheme that:
The rapid device of fluid is leaned on including interconnected pipeline input terminal and pipeline output end in a kind of inhibition pipeline
One end of nearly pipeline input terminal is equipped with branch pipe, and the end of the branch pipe is equipped with fluid pressure release component, and the opening of the branch pipe is to pipe
The inclination of road input terminal side, is equipped with unhurried current group close to one end of pipeline output end between the pipeline input terminal, pipeline output end
Part is equipped with flow measurement component close to the side of pipeline output end.
Further, the fluid pressure release component includes the Zhi Guanduan and pressure relieving end being mutually isolated, the Zhi Guanduan and pressure release
End is connected by tight loop, and the Zhi Guanduan and pressure relieving end junction are seamless through a piston rod is equipped with, and the piston rod is propping up
Pipe end is installed with the first piston being bonded with branch pipe wall seamless, and the piston rod is installed with seamless applying with tube wall in pressure relieving end
Second piston is equipped with cavity and sap cavity in the Zhi Guanduan and pressure relieving end, passes through the pressure balance that piston adjusts both ends.
Further, the cavity of inner end is cavity, the chamber of second piston outer end between the first piston and second piston
Body is sap cavity, and lower end is equipped with aerial drainage chamber in the cavity of the second piston inner end, and the aerial drainage chamber passes through relief port and pressure relieving end
It being connected to, upper end is equipped with back cavity in the sap cavity of the second piston outer end, and the back cavity is connected to by refluxing opening with pressure relieving end,
The same hydraulic pump is connected to by pipeline between the back cavity and the aerial drainage chamber, flows back into liquid in back cavity.
4. the rapid device of fluid in a kind of inhibition pipeline as claimed in claim 3, which is characterized in that the sap cavity in the pressure relieving end
For hermetically closed space
Further, the unhurried current component includes activity unhurried current plate, fixed unhurried current plate, and the activity unhurried current plate can live with tube wall
Dynamic connection, the fixed unhurried current plate are fixedly connected with tube wall, are equipped with spring, institute between the activity unhurried current plate and fixed unhurried current plate
It states and is equipped with unhurried current hole on activity unhurried current plate and fixed unhurried current plate.
Further, the partial spring circle of the spring is equipped with several resistance suedes, and shown resistance suede is contacted with tube wall, and spring is pressed
It is reduced to most in short-term, several resistance suedes are surrounded to be passed through with tubing internal diameter circle of the same size, prevention fluid.
Further, the resistance suede and spring coil composition resistance knitting wool circle, resistance knitting wool circle includes the bullet for being distributed in spring upper end
Knitting wool circle is hindered on spring, is distributed in resistance knitting wool circle under the spring of lower spring end, is distributed in the left resistance knitting wool circle of spring of spring left end, point
Cloth is upper in the spring of upper end in the spring to hinder knitting wool circle, and distribution is lower in the spring of lower end in the spring to hinder knitting wool circle, is distributed in bullet
The right resistance knitting wool circle of the spring of spring right end.
Beneficial effect
Pipeline of the invention is equipped with branch pipe, and the end of branch pipe is equipped with fluid pressure release component, and the pressure in pipeline is made to keep dynamic
The effect for alleviating turbulent flow may be implemented by decompression so that the turbulent flow in pipeline slows down in state balance.Unhurried current component can make fluid
Part kinetic energy be converted to the elastic potential energy of spring, consume the portion of energy of fluid flowing, play the role of unhurried current on the whole,
Meanwhile the unhurried current hole of setting can also play the role of unhurried current, the spring is equipped with resistance suede, and spring is compressed to most in short-term,
Resistance suede is surrounded to be passed through with tubing internal diameter circle of the same size, prevention fluid, and steady by adjusting fluid, fluid can positive normal open
It crosses.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of an embodiment of the present invention；
Fig. 2 is the structure chart of an embodiment of the present invention fluid pressure release component；
Fig. 3 is the structure chart of an embodiment of the present invention unhurried current component；
Fig. 4 is the structure chart of an embodiment of the present invention unhurried current component.
In figure, 1. pipeline input terminals, 2. pipeline output ends, 3. flow measurement components, 4. fluid pressure release components, 5. unhurried current components.
41. pipe end, 42. first pistons, 43. tight loops, 44. pressure relieving ends, 45. piston rods, 46. second pistons, 47. times
Head piece, 48. back cavities, 49. relief ports, 410. aerial drainage chambers, 411. hydraulic pumps.
51. activity unhurried current plate, 511. unhurried current holes, 52. fixed unhurried current plates, 53. springs, 521. unhurried current holes.
Specific embodiment
When it is implemented, a kind of inhibit the device that fluid is rapid in pipeline, a kind of embodiment, as shown in Figure 1, including phase
Intercommunicated pipeline input terminal 1 and pipeline output end 2 is equipped with branch pipe, the end of the branch pipe close to one end of pipeline input terminal 1
Equipped with fluid pressure release component 4, as shown in Fig. 2, the fluid pressure release component 4 includes the Zhi Guanduan 41 and pressure relieving end being mutually isolated
44, the Zhi Guanduan 41 and pressure relieving end 44 are connected by tight loop 43, the Zhi Guanduan 41 and 44 junction of pressure relieving end is seamless passes through
It is equipped with a piston rod 45, the piston rod 45 is installed with the first piston 42 being bonded with branch pipe wall seamless, institute in Zhi Guanduan 41
It states piston rod 45 and is installed with the second piston 46 seamless applying with tube wall in pressure relieving end 44, in the Zhi Guanduan 41 and pressure relieving end 44
It is equipped with cavity and sap cavity, the pressure balance at both ends is adjusted by piston, it is interior between the first piston 42 and second piston 46
The cavity at end is cavity, and the cavity of 46 outer end of second piston is sap cavity, under the cavity of 46 inner end of second piston is interior
End is equipped with aerial drainage chamber 410, and the aerial drainage chamber 410 is connected to by relief port 49 with pressure relieving end 44,46 outer end of second piston
Upper end is equipped with back cavity 48 in sap cavity, and the back cavity 48 is connected to by refluxing opening 47 with pressure relieving end 44, the back cavity 48 and
It is equipped with hydraulic pump 411 between the aerial drainage chamber 410, makes in liquid reflux to back cavity 48, the opening of the branch pipe is defeated to pipeline
Enter the inclination of 1 side of end.
In implementation, when the fluid that pipeline input terminal 1 exports occurs rapid, the pressure of mouth of pipe becomes smaller, under Zhi Guanduan 41
The pressure at end is greater than the pressure of mouth of pipe, and the liquid of 41 lower end Zhi Guanduan can be flowed to mouth of pipe, drives first piston 42 to the right
Side is mobile (diagram is used as reference direction), while being moved right and (being illustrated as ginseng by the drive second piston 46 of piston rod 45
Examine direction), according to actual needs, the position of relief port 49 is set, (the diagram when second piston 46 is displaced to 49 right side of relief port
As reference direction), the liquid of pressure relieving end 44 can be flowed into all in the aerial drainage chamber 410 by relief port 49, since sap cavity is
Hermetically closed space can generate negative pressure due to the loss of liquid in sap cavity, reach when liquid constantly flows into aerial drainage chamber 410
When to a certain degree, second piston 46 is sucked back into the left side of relief port 49 and reaches the sap cavity leftmost side (diagram work by the negative pressure of generation
For reference direction), first piston 42 can be also moved to the left until being moved to the leftmost side (diagram is as reference direction), branch pipe at this time
End 41 then forms bigger negative pressure and cavity and by rapid fluid adsorption to cavity, one definite time-lag in fluid can be prevented to flow out,
The rate of turbulent fluid obviously is slowed down, and has been completed in a short time decompression, by decompression so that the turbulent flow in pipeline slows down,
The effect of alleviation turbulent flow may be implemented.
As shown in Figure 3-4, it is set between the pipeline input terminal 1, pipeline output end 2 in one end close to pipeline output end 2
There is unhurried current component 5, the unhurried current component 5 includes activity unhurried current plate 51, fixes unhurried current plate 52, the activity unhurried current plate 51 and tube wall
Movable connection, the fixed unhurried current plate 52 is fixedly connected with tube wall, between the activity unhurried current plate 51 and fixed unhurried current plate 52
Equipped with spring 53, the activity unhurried current plate 51 and fixed unhurried current plate 52 are equipped with unhurried current hole.Under normal circumstances, fluid smoothly passes
Flow slowly component 5, when occur fluid it is rapid when, fluid increases the pressure of activity unhurried current plate 51, by activity unhurried current plate 51 to fluid
Flow direction promotes, and spring 53 is compressed, and the part kinetic energy of fluid is converted to the elastic potential energy to spring 53, consumes fluid stream
Dynamic portion of energy, plays the role of unhurried current on the whole.
In implementation, if the partial spring circle of Fig. 4, the spring 53 are equipped with several resistance suedes, spring is compressed to most in short-term,
Several resistance suedes are surrounded to be passed through with tubing internal diameter circle of the same size, prevention fluid, and steady by adjusting fluid, fluid can be normal
Pass through.Shown resistance suede is specially rubber or fiber, when it is implemented, as shown in figure 4, resistance suede and spring coil composition resistance knitting wool
Circle, resistance knitting wool circle include that knitting wool circle 53a is hindered on the spring for be distributed in 53 upper end of spring, are distributed under the spring of 53 lower end of spring and hinder
Knitting wool circle 53b is distributed in the left resistance knitting wool circle 53c of spring of 53 left end of spring, is distributed in spring 53 in the spring of upper end upper resistance
Knitting wool circle 53d is distributed in spring 53 in the spring of lower end lower resistance knitting wool circle 53e, is distributed in the right resistance of spring of 53 right end of spring
Knitting wool circle 53f, above-mentioned display be hinder knitting wool circle vertical screenshot be in addition distributed on the spring of 53 upper end of spring and hinder suede
Coil 53a1 is distributed in resistance knitting wool circle 53b1 under the spring of 53 lower end of spring, is distributed in the left resistance knitting wool of spring of 53 left end of spring
53c1 is enclosed, upper resistance knitting wool circle 53d1 is distributed in spring 53 in the spring of upper end, under being distributed in spring 53 in the spring of lower end
Knitting wool circle 53e1 is hindered, is distributed in the right resistance knitting wool circle 53f1 of spring of 53 right end of spring, above-mentioned, what is shown is resistance knitting wool circle
Cross-sectional view, in addition resistance knitting wool circle synthesis cross-sectional view 531 is then shown common from upper resistance knitting wool circle 53a1 to right resistance knitting wool circle 53f1
The resistance suede constituted upon compression is encircled into cross-sectional view, this with it is aforementioned in " the partial spring circle of the spring 53 be equipped with it is several
Suede is hindered, spring is compressed to most in short-term, and several resistance suedes are surrounded to be passed through with tubing internal diameter circle of the same size, prevention fluid " implement
Unanimously.In implementation, then as shown in Figure 1, being equipped with flow measurement component 3 close to the side of pipeline output end 2, shown flow measurement component 3 includes
Fluid vane and the instrument board being fixed in pipeline, fluid flowing rotate fluid vane, and instrument board shows the revolving speed of turntable, turns
Speed is bigger, and fluid is more rapid.
Claims (7)
1. a kind of inhibit the device that fluid is rapid in pipeline, which is characterized in that including interconnected pipeline input terminal and pipeline
Output end is equipped with branch pipe close to one end of pipeline input terminal, and the end of the branch pipe is equipped with fluid pressure release component, the branch pipe
It is open and is tilted to pipeline input terminal side, one end between the pipeline input terminal, pipeline output end close to pipeline output end is set
There is unhurried current component, is equipped with flow measurement component close to the side of pipeline output end.
2. the rapid device of fluid in a kind of inhibition pipeline as described in claim 1, which is characterized in that the fluid pressure release group
Part includes the Zhi Guanduan and pressure relieving end being mutually isolated, and the Zhi Guanduan is connected with pressure relieving end by tight loop, the Zhi Guanduan and
Pressure relieving end junction is seamless through a piston rod is equipped with, and the piston rod is installed with the be bonded with branch pipe wall seamless in Zhi Guanduan
One piston, the piston rod are installed with the second piston seamless applying with tube wall in pressure relieving end, in the Zhi Guanduan and pressure relieving end
It is equipped with cavity and sap cavity, the pressure balance at both ends is adjusted by piston.
A kind of inhibit the device that fluid is rapid in pipeline 3. as claimed in claim 2, which is characterized in that the first piston and
The cavity of inner end is cavity between second piston, and the cavity of second piston outer end is sap cavity, the sky of the second piston inner end
Intracavitary lower end is equipped with aerial drainage chamber, and the aerial drainage chamber is connected to by relief port with pressure relieving end, in the sap cavity of the second piston outer end
Upper end is equipped with back cavity, and the back cavity is connected to by refluxing opening with pressure relieving end, leads between the back cavity and the aerial drainage chamber
Piping is connected to the same hydraulic pump, flows back into liquid in back cavity.
4. the rapid device of fluid in a kind of inhibition pipeline as claimed in claim 3, which is characterized in that in the pressure relieving end
Sap cavity is hermetically closed space.
5. the rapid device of fluid in a kind of inhibition pipeline as described in claim 1, which is characterized in that the unhurried current component packet
Activity unhurried current plate, fixed unhurried current plate, the activity unhurried current plate and the movable connection of tube wall are included, the fixed unhurried current plate and tube wall are solid
Fixed connection, movable flow slowly are equipped with spring between plate and fixed unhurried current plate, equal on movable flow slowly plate and the fixed unhurried current plate
Equipped with unhurried current hole.
6. the rapid device of fluid in a kind of inhibition pipeline as claimed in claim 5, which is characterized in that the part of the spring
Spring ring is equipped with several resistance suedes, and shown resistance suede is contacted with tube wall, and spring is compressed to most in short-term, and several resistance suedes surround and pipeline
The consistent circle of inner diameter size prevents fluid from passing through.
7. the rapid device of fluid in a kind of inhibition pipeline as claimed in claim 6, which is characterized in that the resistance suede and spring
Coil composition resistance knitting wool circle, resistance knitting wool circle includes that knitting wool circle is hindered on the spring for be distributed in spring upper end, is distributed in lower spring end
Knitting wool circle is hindered under spring, is distributed in the left resistance knitting wool circle of spring of spring left end, is distributed upper resistance suede in the spring of upper end in the spring
Coil is distributed lower resistance knitting wool circle in the spring of lower end in the spring, is distributed in the right resistance knitting wool circle of spring of spring right end.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011212361.4A CN112325041A (en) | 2019-08-16 | 2019-08-16 | Turbulent suppressing device suitable for pipeline fluid |
| CN202011210833.2A CN112431985B (en) | 2019-08-16 | 2019-08-16 | Pipe line fluid turbulence restraining device |
| CN201910758711.8A CN110440086B (en) | 2019-08-16 | 2019-08-16 | Device for suppressing fluid turbulence in pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910758711.8A CN110440086B (en) | 2019-08-16 | 2019-08-16 | Device for suppressing fluid turbulence in pipeline |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011212361.4A Division CN112325041A (en) | 2019-08-16 | 2019-08-16 | Turbulent suppressing device suitable for pipeline fluid |
| CN202011210833.2A Division CN112431985B (en) | 2019-08-16 | 2019-08-16 | Pipe line fluid turbulence restraining device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110440086A true CN110440086A (en) | 2019-11-12 |
| CN110440086B CN110440086B (en) | 2020-11-06 |
Family
ID=68436149
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011210833.2A Active CN112431985B (en) | 2019-08-16 | 2019-08-16 | Pipe line fluid turbulence restraining device |
| CN202011212361.4A Pending CN112325041A (en) | 2019-08-16 | 2019-08-16 | Turbulent suppressing device suitable for pipeline fluid |
| CN201910758711.8A Expired - Fee Related CN110440086B (en) | 2019-08-16 | 2019-08-16 | Device for suppressing fluid turbulence in pipeline |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011210833.2A Active CN112431985B (en) | 2019-08-16 | 2019-08-16 | Pipe line fluid turbulence restraining device |
| CN202011212361.4A Pending CN112325041A (en) | 2019-08-16 | 2019-08-16 | Turbulent suppressing device suitable for pipeline fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN112431985B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431985B (en) * | 2019-08-16 | 2022-11-22 | 合肥源康信息科技有限公司 | Pipe line fluid turbulence restraining device |
| CN114198583B (en) * | 2021-11-05 | 2023-06-20 | 中国船舶重工集团公司第七一九研究所 | Junction pipe thermal fatigue relieving system and thermal fatigue relieving control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04194492A (en) * | 1990-11-27 | 1992-07-14 | Sekisui Chem Co Ltd | Fireproof heat insulating drain vertical pipe with internal surfade helical rib |
| CN1951657A (en) * | 2006-11-10 | 2007-04-25 | 三一重工股份有限公司 | Device for suppressing pulsated impact of slurry flow in concrete pump vehicle |
| CN102239356A (en) * | 2008-12-02 | 2011-11-09 | 韦尔斯特里姆国际有限公司 | Reducing fluid turbulance in a flexible pipe |
| CN207298223U (en) * | 2017-08-09 | 2018-05-01 | 天津市津丰管业有限公司 | A kind of hot-water heating pipe |
| CN209100871U (en) * | 2018-11-27 | 2019-07-12 | 陈刚刚 | A kind of Tailings transportation pipeline pressure-relief device |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6422260B2 (en) * | 2000-03-14 | 2002-07-23 | Zurn Industries, Inc. | Trap primer |
| DE102004045100A1 (en) * | 2004-09-17 | 2006-03-23 | Audi Ag | Damper for damping pressure vibrations in hydraulic system, has single piece housing with working chamber and piston positionable in working chamber using spring units that axially support itself at cover wall and base wall |
| CN101655178A (en) * | 2009-09-10 | 2010-02-24 | 浙江海亮股份有限公司 | Water hammer eliminator |
| CN202432174U (en) * | 2011-09-29 | 2012-09-12 | 王兴龙 | Pipeline exhaust device |
| CN102644777A (en) * | 2012-03-28 | 2012-08-22 | 特劳克森特里克专利应用有限公司 | Bypass valve |
| CN204357553U (en) * | 2014-12-11 | 2015-05-27 | 安徽工程大学 | A kind of car engine air admittance regulating system |
| CN204628915U (en) * | 2015-05-27 | 2015-09-09 | 陈裕龙 | A kind of unhurried current bend pipe tools |
| CN105135143B (en) * | 2015-06-18 | 2017-12-05 | 山东钢铁股份有限公司 | A kind of freezing prevention tubing water trap and its application method |
| CN107542986A (en) * | 2016-02-26 | 2018-01-05 | 南安市丽迪家居用品有限公司 | A kind of joint |
| CN108612946A (en) * | 2016-12-12 | 2018-10-02 | 新昌县丽晶工业产品设计有限公司 | Damping bend pipe structure |
| CN109654269B (en) * | 2017-02-03 | 2020-03-27 | 中国石油化工股份有限公司 | Balance piston type constant pressure valve |
| CN106931269A (en) * | 2017-04-17 | 2017-07-07 | 成都来宝石油设备有限公司 | Suitable for the damping of petroleum pipeline |
| CN107152582A (en) * | 2017-06-30 | 2017-09-12 | 华蓝设计（集团）有限公司 | Super high-rise dwelling house feed pipe noise reduction system |
| CN112431985B (en) * | 2019-08-16 | 2022-11-22 | 合肥源康信息科技有限公司 | Pipe line fluid turbulence restraining device |
-
2019
- 2019-08-16 CN CN202011210833.2A patent/CN112431985B/en active Active
- 2019-08-16 CN CN202011212361.4A patent/CN112325041A/en active Pending
- 2019-08-16 CN CN201910758711.8A patent/CN110440086B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04194492A (en) * | 1990-11-27 | 1992-07-14 | Sekisui Chem Co Ltd | Fireproof heat insulating drain vertical pipe with internal surfade helical rib |
| CN1951657A (en) * | 2006-11-10 | 2007-04-25 | 三一重工股份有限公司 | Device for suppressing pulsated impact of slurry flow in concrete pump vehicle |
| CN102239356A (en) * | 2008-12-02 | 2011-11-09 | 韦尔斯特里姆国际有限公司 | Reducing fluid turbulance in a flexible pipe |
| CN207298223U (en) * | 2017-08-09 | 2018-05-01 | 天津市津丰管业有限公司 | A kind of hot-water heating pipe |
| CN209100871U (en) * | 2018-11-27 | 2019-07-12 | 陈刚刚 | A kind of Tailings transportation pipeline pressure-relief device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112431985A (en) | 2021-03-02 |
| CN112325041A (en) | 2021-02-05 |
| CN110440086B (en) | 2020-11-06 |
| CN112431985B (en) | 2022-11-22 |
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