CN114658946A - Tubular pulsation damper with bag type damper - Google Patents
Tubular pulsation damper with bag type damper Download PDFInfo
- Publication number
- CN114658946A CN114658946A CN202210180364.7A CN202210180364A CN114658946A CN 114658946 A CN114658946 A CN 114658946A CN 202210180364 A CN202210180364 A CN 202210180364A CN 114658946 A CN114658946 A CN 114658946A
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- CN
- China
- Prior art keywords
- damper
- bag
- connecting pipe
- pipe
- flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
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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
- 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
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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
- F16L55/055—Valves therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/12—Alarms or signals
Abstract
The invention relates to a tubular pulsation damper with a bag type damper, which comprises a tubular damper and the bag type damper, wherein the tubular damper comprises a tube body, a soft membrane is arranged in the tube body, the soft membrane divides the interior of the tube body into an inner chamber and an outer chamber, the soft membrane comprises an inner soft membrane and an outer soft membrane, the inner soft membrane is in contact with the inner chamber, the outer soft membrane is in contact with the outer chamber, a connecting pipe communicated with the inner chamber is arranged at the bottom end of the tube body, a liquid medium is filled in the inner chamber, a connecting pipe is arranged on the side surface of the tube body, the outer chamber is communicated with the bag type damper through the connecting pipe, the bag type damper comprises a connector connected with the connecting pipe, limit valves used for plugging the connecting pipe are arranged at two ends of the switching pipe, each limit valve comprises a limit block and a valve body, and a reset spring is arranged between each limit block and the valve body. The pulsation damper is suitable for various extreme media.
Description
[ technical field ] A
The invention relates to a tubular pulsation damper with a bag type damper, belonging to the technical field of fluid equipment.
[ background of the invention ]
The pulsation damper is an accessory device widely applied to hydraulic systems of pipelines in petrochemical, environmental protection, chemical and sewage treatment industries, and is generally used for reducing unevenness of discharge flow of reciprocating pumps (such as reciprocating pumps and metering pumps) and reducing hydraulic impact (such as water hammer effect) of the pipeline systems.
At present, the existing pulsation damper can be classified into a gas-liquid contact type (or called direct contact type), a bladder type and a diaphragm type according to the structural form. When the gas-liquid contact structure is used, a pipeline medium is directly contacted with gas (nitrogen or air) in a damper cavity, so that the gas-liquid contact structure is not suitable for the working condition of dangerous media; common diaphragm type structures in the market often cannot meet the high-pressure working condition due to the influence of sealing performance; the leather bag type structure can separate high-risk media and gas through the built-in capsule, can play the effect of isolation protection, but is limited to the restriction of leather bag material, and then can't use to the operating mode of high temperature medium (like 170 ℃), and many media can corrode the leather bag limit valve, and the easy card of leather bag limit valve hinders and wearing and tearing when having granule medium of transport simultaneously.
[ summary of the invention ]
The invention aims to provide a tubular pulsation damper with a bag damper, which is suitable for various extreme media.
The technical scheme adopted by the invention is as follows:
the utility model provides a tubular pulsation damper of subsidiary bag formula attenuator, includes tubular damper and bag formula attenuator, tubular damper includes the body, be equipped with the mantle in the body, the mantle separates interior cavity and outer cavity with in the body, the mantle includes interior mantle and outer mantle, interior mantle and interior cavity contact, outer mantle and outer cavity contact, the body bottom is equipped with the takeover that is linked together with interior cavity, the intracavity is indoor to be filled with liquid medium, the body side is equipped with the connecting pipe, outer cavity is linked together through connecting pipe and bag formula attenuator, the bag formula attenuator includes the interface of being connected with the connecting pipe, the switching pipe both ends are equipped with the limit valve that is used for the shutoff connecting pipe, limit valve includes stopper and valve body, be equipped with reset spring between stopper and the valve body.
The beneficial effects of the invention are as follows:
the invention comprises a tubular damper and a bag damper, wherein a hose body of the tubular damper is internally provided with a soft membrane which divides the interior of the hose body into an inner chamber and an outer chamber, the outer chamber is filled with a liquid medium, the bottom end of the hose body is provided with a connecting pipe for connecting a pipeline, in operation, when the output quantity of the pipeline is larger, the medium in the pipeline enters the inner chamber through the connecting pipe to expand the soft membrane and compress the volume of the outer chamber, the liquid medium in the outer chamber enters the bag damper from the connecting pipe under the extrusion of the soft membrane, when the output quantity of the pipeline is smaller, the medium in the inner chamber flows into the pipeline from the connecting pipe, in the whole operation process, the medium only stays in the inner chamber and cannot be contacted with a limiting valve and a bag of the bag damper, the corrosion or abrasion of the bag by the medium can be avoided, and the corrosion or the blocking and abrasion of the limiting valve by particles can be avoided, the service life of the invention can be greatly prolonged through the structure, and the invention has better corrosion resistance and abrasion resistance, so that the invention can be suitable for corrosive media and media with particles, and the application range of the invention is improved.
In addition, the flexible membrane comprises an inner flexible membrane and an outer flexible membrane, the inner flexible membrane is contacted with the inner chamber, the outer flexible membrane is contacted with the outer chamber, the double-layer flexible membrane structure is adopted, even if one layer of flexible membrane is damaged, the work of the double-layer flexible membrane structure still cannot be influenced, so that the corrosion resistance and the wear resistance of the double-layer flexible membrane structure are further improved, the service life of the double-layer flexible membrane structure is also prolonged, in order to avoid the condition that the inner flexible membrane and the outer flexible membrane are damaged as far as possible, a first pressure sensor is arranged at the joint of the flange and the tube body and used for detecting the pressure at the joint of the flexible membrane, the flange and the tube body, when one of the inner flexible membrane and the outer flexible membrane is broken, the change of the pressure is transmitted to the first pressure sensor through the flange, the first pressure sensor gives an alarm to prompt a worker that the flexible membrane in the tube body is broken, the inner soft membrane can be replaced by workers in time, so that the influence of media flowing into the outer cavity to influence the inner structure of the invention due to the fact that the soft membrane is completely broken is avoided.
Preferably, the two ends of the tube body are provided with sealers, the flexible membrane is connected with the tube body through the sealers,
preferably, the sealer comprises a flange and a bolt, the flange is fixed with the pipe body through the bolt, and the edge of the soft membrane is fixed between the flange and the pipe body.
Preferably, a first pressure sensor is arranged at the joint of the flange and the pipe body, and the first pressure sensor is used for detecting the pressure at the joint of the flexible membrane, the flange and the pipe body.
Preferably, a first pressure gauge for detecting the pressure in the outer chamber is arranged on the side surface of the pipe body.
Preferably, a second pressure gauge is arranged at the upper end of the bag type damper.
Preferably, the upper end of the pipe body is provided with a second pressure sensor, and the second pressure sensor is used for detecting the pressure of the inner cavity.
Preferably, the liquid medium in the outer cavity is hydraulic oil.
Preferably, the connecting pipe is L-shaped, and the bag-type damper is vertically arranged on the connecting pipe.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
[ description of the drawings ]
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a sectional view showing the whole structure of embodiment 1 of the present invention;
FIG. 2 is a sectional view of a bladder damper in embodiment 1 of the invention;
FIG. 3 is an enlarged view of a portion A of FIG. 1;
fig. 4 is a partially enlarged view of a portion B in fig. 1.
Reference numerals: the device comprises a 1-tube damper, a 11-tube body, a 111 outer chamber, a 112 soft membrane, a 1121 outer soft membrane, an 1122 inner soft membrane, a 113 inner chamber, a 12 first pressure gauge, a 13 flange, a 131 bolt, a 14 first pressure sensor, a 15 second pressure sensor, a 16 connecting tube, a 2 connecting tube, a 21 limiting valve, a 211 limiting block, a 212 reset spring, a 3-bag damper, a 31 leather bag, a 32 first chamber and a 33 second pressure gauge.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Other embodiments obtained by persons skilled in the art without making creative efforts based on the embodiments in the implementation belong to the protection scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1:
as shown in fig. 1 to 4, this embodiment shows a tubular pulsation damper with a bag damper, which includes a tubular damper 1 and a bag damper 3, where the tubular damper 1 includes a tube 11 and a soft membrane 112 disposed in the tube 11, the soft membrane 112 divides the interior of the tube 11 into an inner chamber 113 and an outer chamber 111, a connection pipe 16 communicated with the inner chamber 113 is disposed at the bottom end of the tube 11, the inner chamber 113 is filled with a liquid medium, a connection pipe 2 is disposed on the side surface of the tube 11, the outer chamber 111 is communicated with the bag damper 3 through the connection pipe 2, two ends of the connection pipe 2 are provided with a limit valve 21 for plugging the connection pipe 2, the limit valve 21 includes a limit block 311 and a valve body, and a return spring 312 is disposed between the limit block 311 and the valve body.
The embodiment comprises a tubular damper 1 and a bag type damper 3, wherein a hose 112 is arranged in a hose 11 of the tubular damper 1, the interior of the hose 11 is divided into an inner chamber 113 and an outer chamber 111, the outer chamber 111 is filled with a liquid medium, a connecting pipe 16 for connecting a pipeline 2 is arranged at the bottom end of the hose 11, in operation, when the output quantity of the pipeline is large, the medium in the pipeline enters the inner chamber 113 through the connecting pipe 16, the hose 112 expands to compress the volume of the outer chamber 111, the liquid medium in the outer chamber 111 enters the bag type damper 3 from the connecting pipe 2 under the extrusion of the hose 112, wherein the liquid medium is hydraulic oil, the liquid medium does not corrode and abrade the limit valve 21 and the bag 31, when the output quantity of the pipeline is small, the medium in the inner chamber 113 flows into the pipeline from the connecting pipe 16, and only stays in the inner chamber 113 in the whole operation process, the limit valve 21 and the leather bag 31 of the bag type damper 3 are not contacted, the leather bag 31 can be prevented from being corroded or abraded by media, the limit valve 21 can be prevented from being corroded by the media or blocked and abraded by particles, the service life of the embodiment can be greatly prolonged by the structure, the embodiment can also have better corrosion resistance and abrasion resistance, the embodiment can be suitable for corrosive media and media with particles, and the application range of the embodiment is widened.
In order to improve the sealing performance of this embodiment, in this embodiment, two ends of the pipe body 11 are provided with sealers, each sealer includes a flange 13 and a bolt 131, the flange 13 and the pipe body 11 are provided with a connecting hole for installing the bolt 131, the edge of the flexible membrane 112 is located between the flange 13 and the pipe body 11, and the flange 13 and the pipe body 11 are connected by the bolt 131, so that the flexible membrane 112 is fixed between the flange 13 and the pipe body 11, and the inner chamber 113 is isolated from the outer chamber 111.
In addition, in this embodiment, the soft membrane 112 includes an inner soft membrane 1122 and an outer soft membrane 1121, the inner soft membrane 1122 is in contact with the inner chamber 113, the outer soft membrane 1121 is in contact with the outer chamber 111, the operation of this embodiment is not affected even if one of the soft membranes 112 is damaged by adopting the double-layer soft membrane 112 structure, so as to further improve the corrosion resistance and wear resistance of this embodiment, and also improve the service life of this embodiment, in order to avoid the situation that both the inner soft membrane 1122 and the outer soft membrane 1121 are damaged as much as possible, in this embodiment, the connection portion between the flange 13 and the pipe body 11 is provided with the first pressure sensor 14, the first pressure sensor 14 is used for detecting the pressure at the connection portion between the soft membrane 112, the flange 13 and the pipe body 11, when one of the inner soft membrane 1122 or the outer soft membrane 1121 is broken, the change of the pressure is transmitted to the first pressure sensor 14 through the flange 13, and the first pressure sensor 14 gives an alarm, the worker is prompted that the soft membrane 112 inside the tube body 11 is broken, so that the worker can replace the soft membrane 112 inside in time, and therefore the situation that the medium flows into the outer chamber 111 to influence the internal structure of the embodiment due to the fact that the soft membrane 112 is broken completely is avoided.
In order to enable the working personnel to know the pressure condition in the pipe body 11 in time, in this embodiment, the upper end of the pipe body 11 is provided with a second pressure sensor 15, the second pressure sensor 15 is used for detecting the pressure of the inner chamber 113, and the side surface of the pipe body 11 is provided with a first pressure gauge 12 used for detecting the pressure of the outer chamber 111.
Regarding bag formula attenuator 3, in this embodiment bag formula attenuator 3 includes interface and leather bag 31 be connected with connecting pipe 2, bag formula attenuator 3 is vertical setting, the interface is in the below, bag formula attenuator 3 upper end is equipped with second manometer 33.
In terms of the working principle of the present embodiment, in operation, the present embodiment is connected with the pipeline through the connecting pipe 16 at the bottom end of the pipe body 11, when the flow rate in the pipe is excessive, the medium enters the inner chamber 113 from the nipple 16, the flexible membrane 112 expands and presses the hydraulic oil, the hydraulic oil flows into the first chamber 32 of the bag damper 3 through the connection pipe 2, and when the soft membrane 112 is excessively expanded, the soft membrane 112 will squeeze the tube body 11 and the limit valve 21 out of the connecting tube 2, so that the limit valve 21 blocks the connecting tube 2 to organize the soft membrane 112 to continue to expand, at this time, the medium capacity in the tube body 11 reaches the maximum, when the flow in the pipeline is insufficient, the medium in the inner chamber 113 flows out of the connecting pipe 16, the limiting block 311 opens the connecting pipe 2 under the action of the return spring 312, and the hydraulic oil in the first chamber 32 flows back into the outer chamber 111, so that the insufficient flow of the liquid medium is compensated, and the purpose of smooth pulsation is achieved.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (9)
1. A tubular pulsation damper with a bladder damper, comprising a tubular damper and a bladder damper, characterized in that: the tubular damper includes the body, be equipped with the pia in the body, the pia separates interior cavity and outer cavity with in the body, the pia includes interior pia and outer pia, interior pia and interior cavity contact, outer pia and outer cavity contact, the body bottom is equipped with the takeover that is linked together with interior cavity, the intracavity is indoor to be filled with liquid medium, the body side is equipped with the connecting pipe, outer cavity is linked together through connecting pipe and bag formula attenuator, bag formula attenuator includes the interface of being connected with the connecting pipe, the switching pipe both ends are equipped with the limit valve that is used for the shutoff connecting pipe, limit valve includes stopper and valve body, be equipped with reset spring between stopper and the valve body.
2. The tube type pulsation damper with a bag damper as claimed in claim 1, wherein: the two ends of the tube body are provided with sealers, and the flexible film is connected with the tube body through the sealers.
3. The tube type pulsation damper with a bag damper as claimed in claim 2, wherein: the sealer comprises a flange and a bolt, the flange is fixed with the pipe body through the bolt, and the edge of the soft film is fixed between the flange and the pipe body.
4. The tube type pulsation damper with a bag damper as claimed in claim 2, wherein: the flange is equipped with first pressure sensor with the junction of body, first pressure sensor is used for detecting the pressure of mantle, flange and body junction.
5. The tube type pulsation damper with a bag damper as claimed in claim 1, wherein: and a first pressure gauge for detecting the pressure of the outer cavity is arranged on the side surface of the pipe body.
6. The tube type pulsation damper with a bag damper as claimed in claim 5, wherein: and a second pressure gauge is arranged at the upper end of the bag type damper.
7. The tube type pulsation damper with a bag damper as claimed in claim 1, wherein: the upper end of the pipe body is provided with a second pressure sensor, and the second pressure sensor is used for detecting the pressure of the inner cavity.
8. The tube type pulsation damper with a bag damper as claimed in claim 1, wherein: the liquid medium in the outer cavity is hydraulic oil.
9. The tube type pulsation damper with a bag damper as claimed in claim 1, wherein: the connecting pipe is L-shaped, and the bag-type damper is vertically arranged on the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210180364.7A CN114658946A (en) | 2022-02-26 | 2022-02-26 | Tubular pulsation damper with bag type damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210180364.7A CN114658946A (en) | 2022-02-26 | 2022-02-26 | Tubular pulsation damper with bag type damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114658946A true CN114658946A (en) | 2022-06-24 |
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ID=82027785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210180364.7A Pending CN114658946A (en) | 2022-02-26 | 2022-02-26 | Tubular pulsation damper with bag type damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114658946A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117489989A (en) * | 2024-01-03 | 2024-02-02 | 河北省天然气有限责任公司 | Analysis surge system for fuel gas transportation pressure regulation |
-
2022
- 2022-02-26 CN CN202210180364.7A patent/CN114658946A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117489989A (en) * | 2024-01-03 | 2024-02-02 | 河北省天然气有限责任公司 | Analysis surge system for fuel gas transportation pressure regulation |
| CN117489989B (en) * | 2024-01-03 | 2024-03-15 | 河北省天然气有限责任公司 | Analysis surge system for fuel gas transportation pressure regulation |
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