CN111379921B - Water hammer effect eliminating device - Google Patents
Water hammer effect eliminating device Download PDFInfo
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- CN111379921B CN111379921B CN202010335889.4A CN202010335889A CN111379921B CN 111379921 B CN111379921 B CN 111379921B CN 202010335889 A CN202010335889 A CN 202010335889A CN 111379921 B CN111379921 B CN 111379921B
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- main pipe
- pipe body
- rotor ring
- water
- pressure relief
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 230000000694 effects Effects 0.000 title claims abstract description 37
- 230000001681 protective effect Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000008030 elimination Effects 0.000 claims description 8
- 238000003379 elimination reaction Methods 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
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- 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
- F15D1/06—Influencing flow of fluids in pipes or conduits by influencing the boundary layer
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a water hammer effect eliminating device, which is used for disturbing impact water flow through the rotation of a splitter plate and eliminating the acting force in the whole circumferential direction, and is characterized in that a water inlet connecting pipe is connected with one end of a main pipe body, a water outlet connecting pipe is connected with the other end of a main pipe body, the outer diameter of the water inlet connecting pipe is smaller than that of the main pipe body, the outer diameter of the water outlet connecting pipe is smaller than that of the main pipe body, the pipe wall of the main pipe body is arched outwards to form a ring sleeve, a rotor ring is sleeved in the ring sleeve, gear teeth are arranged on the outer side surface of the rotor ring, a clamping block is arranged on the inner wall of the ring sleeve, a clamping groove is arranged at the position of the rotor ring corresponding to the clamping block, the ring sleeve is exposed at the inner side of the rotor ring, two flow plates are arranged on the rotor ring and are respectively positioned at the two sides of the rotor ring, the width of the splitter plate is gradually reduced from the outside of the main pipe body, and the splitter plate is attached to the inner wall of the main pipe body, one end of the pressure relief cylinder is arranged on the main pipe body and is close to the other end of the main pipe body.
Description
Technical Field
The invention discloses a water hammer effect eliminating device, relates to a device for eliminating a water hammer effect in a pipeline, and belongs to the field of hydraulic engineering. In particular to a device for eliminating the acting force in the whole circumferential direction by disturbing the impact water flow through the rotation of a splitter plate.
Background
The water hammer effect means that inside a water pipe, the inner wall of the pipe is smooth, water flows freely, when an opened valve is closed suddenly, water flow generates pressure on the valve and the pipe wall, the valve mainly generates pressure, and due to the fact that the pipe wall is smooth, follow-up water flow quickly reaches the maximum under the action of inertia and generates destructive action, namely the water hammer effect in water conservancy.
Notice No. CN110440089A discloses a water hammer remove device, including water pipe, first water hammer remove mechanism and complementary unit, both ends are equipped with water inlet and delivery port respectively about the water pipe, first water hammer remove the mechanism and set up on the water pipe, be equipped with first pipe on the water pipe perpendicularly, first pipe is linked together with the water pipe, the one end that the water pipe was kept away from to first pipe is equipped with first shrouding, it is provided with first piston to slide in the first pipe, first piston and first pipe sealing connection, form first appearance air cavity between first piston, first pipe and the shrouding, complementary unit can assist first water hammer remove mechanism to eliminate the water hammer ripples shock in the water pipe, and its piston of the device removes the mechanism and can't form the effect of eliminating to the water hammer effort of the circular a week of pipeline, and protection efficiency and performance are relatively poor.
Disclosure of Invention
In order to improve the situation, the water hammer effect eliminating device provided by the invention is an eliminating device which disturbs impact water flow through the rotation of the splitter plate and eliminates acting force in the whole circumferential direction.
The water hammer effect eliminating device is realized by the following steps: the invention relates to a water hammer effect eliminating device which comprises a water inlet connecting pipe, a main pipe body, a flow distribution plate, a first gear, a first spring, a slide rod, a pressure relief cylinder, a second spring, a protective cover, a water outlet connecting pipe, a piston, a limiting plate, a rotor ring, a rack, a second gear, a first conical gear pair, a clamping groove, a second conical gear pair and a fixed shaft, wherein the water inlet connecting pipe is connected with one end of the main pipe body, the water outlet connecting pipe is connected with the other end of the main pipe body, the outer diameter of the water inlet connecting pipe is smaller than that of the main pipe body, the outer diameter of the water outlet connecting pipe is smaller than that of the main pipe body, the pipe wall of the main pipe body is arched outwards to form a ring sleeve, the rotor ring is sleeved in the ring sleeve, gear teeth are arranged on the outer side surface of the rotor ring, a clamping block is arranged on the inner wall of the ring sleeve, the clamping groove is arranged on the position of the rotor ring corresponding to the clamping block, the inner side of the rotor ring is exposed out of the ring, two flow plates are arranged on the rotor ring, and are respectively positioned at both sides of the rotor ring, the width of the flow distribution plate is gradually reduced from the outside of the main pipe body to the inside, the flow distribution plate is attached to the inner wall of the main pipe body, one end of a pressure relief cylinder is arranged on the main pipe body and is close to the other end of the main pipe body, the pressure relief cylinder is communicated with a main pipe body box, a protective cover is arranged on the main pipe body, the protective cover is communicated with the pressure relief cylinder, the protective cover is communicated with a ring sleeve, a piston is sleeved in the other end of the pressure relief cylinder, a limiting plate is arranged in the pressure relief cylinder and is positioned above the piston, one end of a sliding rod is connected with the piston, the other end of the sliding rod upwards penetrates through the limiting plate and is positioned above the limiting plate, a baffle is arranged at the other end of the sliding rod, a first spring is arranged between the baffle and the other end of the pressure relief cylinder, a second spring is sleeved on the sliding rod, the second spring is positioned between the limiting plate and the piston, a rack is arranged on the sliding rod, the rack is positioned between the limiting plate and the baffle, the second gear is arranged at the communication part of the pressure relief cylinder and the protective cover through a second wheel shaft, the second gear is meshed with the rack, two second conical gear pairs are respectively arranged at two ends of the second wheel shaft, each second conical gear pair is composed of two second conical gears, the two second conical gears are meshed, one second conical gear is sleeved on the second wheel shaft, the other second conical gear is connected with one end of the transmission rod, the fixed shaft is arranged in the protective cover, the two first conical gear pairs are arranged on the fixed shaft and are close to one end of the fixed shaft, each first conical gear pair is composed of two second conical gears, the two first conical gears are meshed, one first conical gear is sleeved on the fixed shaft, and the other first conical gear is connected with the other end of the transmission rod, the other end of the fixed shaft extends out of the protective shell and is located in the ring sleeve, the first gear sleeve is arranged at the other end of the fixed shaft and is meshed with the rotor ring, bristles are arranged on the splitter plate, the wear-resistant pad is arranged in the clamping groove, and at least one pressure relief cylinder is arranged.
Advantageous effects
Firstly, the rotational disturbance elimination can be carried out on the water flow acting force impacting the pipe wall by utilizing the rotation effect, and the protection performance of the water hammer effect on the valve is improved.
Second, can carry out the effort elimination of whole circumferencial direction through the rotation, it is effectual to the protection of pipeline, and elimination efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of a water hammer effect eliminating device according to the present invention.
Fig. 2 is a right side view of a water hammer effect eliminating apparatus of the present invention.
FIG. 3 is a schematic view of a pressure relief cylinder of a water hammer effect eliminating device according to the present invention.
Fig. 4 is a perspective view of a rotor ring of the water hammer effect eliminating apparatus according to the present invention.
Fig. 5 is a perspective view of a gear transmission mechanism of a water hammer effect eliminating device according to the present invention.
In the attached drawings
Wherein the method comprises the following steps: the water inlet connecting pipe comprises a water inlet connecting pipe (1), a main pipe body (2), a flow distribution plate (3), a first gear (4), a first spring (5), a sliding rod (6), a pressure relief cylinder (7), a second spring (8), a protective cover (9), a water outlet connecting pipe (10), a piston (11), a limiting plate (12), a rotor ring (13), a rack (14), a second gear (15), a first bevel gear pair (16), a clamping groove (17), a second bevel gear pair (18) and a fixing shaft (19).
The specific implementation mode is as follows:
the water hammer effect eliminating device is realized by the following steps: the invention relates to a water hammer effect eliminating device which comprises a water inlet connecting pipe (1), a main pipe body (2), a flow distribution plate (3), a first gear (4), a first spring (5), a slide rod (6), a pressure relief cylinder (7), a second spring (8), a protective cover (9), a water outlet connecting pipe (10), a piston (11), a limiting plate (12), a rotor ring (13), a rack (14), a second gear (15), a first conical gear pair (16), a clamping groove (17), a second conical gear pair (18) and a fixing shaft (19), wherein the water inlet connecting pipe (1) is connected with one end of the main pipe body (2), the water outlet connecting pipe (10) is connected with the other end of the main pipe body, the outer diameter of the water inlet connecting pipe (1) is smaller than that of the main pipe body (2), the outer diameter of the water outlet connecting pipe (10) is smaller than that of the main pipe body (2), and the pipe wall of the main pipe body (2) is arched outwards to form a ring sleeve, the rotor ring (13) is sleeved in the ring sleeve, gear teeth are arranged on the outer side surface of the rotor ring (13), a clamping block is arranged on the inner wall of the ring sleeve, a clamping groove (17) is formed in the position, corresponding to the clamping block, of the rotor ring (13), the ring sleeve is exposed on the inner side of the rotor ring (13), two sets of flow distribution plates (3) are arranged on the rotor ring (13) and are respectively positioned on two sides of the rotor ring (13), the width of each flow distribution plate (3) is gradually reduced from the outside to the inside of the main pipe body (2), the flow distribution plates (3) are attached to the inner wall of the main pipe body (2), one end of the pressure relief cylinder (7) is arranged on the main pipe body (2) and is close to the other end of the main pipe body (2), the pressure relief cylinder (7) is communicated with the main pipe body (2), the protective cover (9) is arranged on the main pipe, the protective cover (9) is communicated with the pressure relief cylinder (7), and the protective cover (9) is communicated with the ring sleeve, piston (11) is arranged in the other end of pressure relief section of thick bamboo (7) in, and pressure relief section of thick bamboo (7) is arranged in to limiting plate (12), and is located piston (11) top, and the one end and piston (11) of slide bar (6) are connected, the other end of slide bar (6) upwards passes limiting plate (12) and is located limiting plate (12) top, and the baffle is arranged in on the other end of slide bar (6), No. one spring (5) has been put between baffle and pressure relief section of thick bamboo (7) other end, and No. two springs (8) are arranged in on slide bar (6), No. two springs (8) are located between limiting plate (12) and piston (11), slide bar (6) are last to be put rack (14), rack (14) are located between limiting plate (12) and the baffle, and No. two gears (15) are arranged in the intercommunication department of pressure relief section of thick bamboo (7) and protection casing (9) through No. two wheel axles, No. two gears (15) and rack (14) mesh, two second-number bevel gear pairs (18) are respectively arranged at two ends of a second wheel shaft, the second-number bevel gear pair (18) is composed of two second-number bevel gears which are meshed with each other, one second-number bevel gear is sleeved on the second wheel shaft, the other second-number bevel gear is connected with one end of a transmission rod, a fixed shaft (19) is arranged in a protective cover (9), two first-number bevel gear pairs (16) are arranged on the fixed shaft (19) and are close to one end of the fixed shaft (19), the first-number bevel gear pair (16) is composed of two second-number bevel gears which are meshed with each other, one first-number bevel gear is sleeved on the fixed shaft (19), the other first-number bevel gear is connected with the other end of the transmission rod, the other end of the fixed shaft (19) extends out of a protective shell and is positioned in a protective ring sleeve, a gear (4) is sleeved on the other end of the fixed shaft (19), the gear (4) is meshed with the rotor ring (13), bristles are arranged on the flow distribution plate (3), a wear pad is arranged in the clamping groove (17), and the number of the pressure relief cylinders (7) is at least one.
When the device is used, a person firstly installs the device at the position of a water conservancy pipeline valve, when the water pressure is increased, the piston (11) is pressed to move upwards to drive the slide rod (6) to move upwards, the rack (14) on the slide rod (6) drives the second gear (15) to rotate, and drives the fixed shaft (19) to rotate through the meshing transmission of the first conical gear and the second conical gear pair (18), further, the first gear (4) on the fixed shaft (19) rotates to drive the rotor ring (13) to rotate, the rotor ring (13) rotates to drive the splitter plate (3) on the rotor ring to be attached to the pipe wall of the main pipe body (2) to rotate, so as to carry out rotary turbulence on the impact water flow, eliminate the impact force on the pipe wall, improve the protection performance on the water hammer effect at the valve, the pipeline protection effect is good, the acting force in the whole circumferential direction can be eliminated, and the elimination efficiency is high; after the pressure relief is finished, the piston (11) returns under the reset action of the first spring (5) and the second spring (8) so as to be used subsequently;
the width of the flow distribution plate (3) is gradually reduced from the outside to the inside of the main pipe body (2), so that the contact part of the flow distribution plate (3) and the inner wall of the main pipe body is a slope, the shifting of the impact water flow is smooth, and the damage to the flow distribution plate (3) caused by overlarge impact force is avoided;
the design of bristles is arranged on the flow distribution plate (3), so that water flow can be further buffered, and the inner wall of the main pipe can be cleaned;
the clamping groove (17) is internally provided with a wear-resistant pad, so that wear resistance protection can be performed between the ring sleeve and the rotor ring (13), the wear of the device is reduced, and the service life of the device is prolonged;
the pressure relief cylinder (7) is designed to be at least one in number, so that transmission pressure relief can be carried out at multiple positions of the main body pipe, and the pressure relief effect is good;
the piston (11) and the sliding rod (6) are designed in a matched mode, so that the device can be decompressed and buffered by utilizing the impact force of impact water flow, and is convenient to use;
the rotor ring (13) and the splitter plate (3) are matched, so that the rotor ring (13) drives the splitter plate (3) to rotate to impact water flow for disturbance elimination, the protection performance of a water hammer effect at a valve is improved, acting force in the whole circumferential direction can be eliminated, and the elimination efficiency is high;
the piston (11) is pressed to move upwards to drive the slide rod (6) to move upwards, and the rotor ring (13) is driven to rotate through the transmission of the conical gear, so that the device can perform pressure relief buffering by using the impact force of impact water flow, and is convenient to use;
the design that the rotor ring (13) rotates to drive the splitter plate (3) on the rotor ring to be attached to the pipe wall of the main pipe body (2) to rotate can be used for rotationally disturbing impact water flow, eliminating the impact force on the pipe wall, improving the protection performance of a water hammer effect on a valve and eliminating the acting force in the whole circumferential direction;
the purpose of disturbing the impact water flow by the rotation of the splitter plate (3) and eliminating the acting force in the whole circumferential direction is achieved.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (8)
1. A water hammer effect eliminating device is characterized in that: the water inlet connecting pipe is connected with one end of the main pipe body, the water outlet connecting pipe is connected with the other end of the main pipe body, the outer diameter of the water inlet connecting pipe is smaller than the outer diameter of the main pipe body, the outer diameter of the water outlet connecting pipe is smaller than the outer diameter of the main pipe body, the pipe wall of the main pipe body is arched outwards to form a ring sleeve, the rotor ring is sleeved in the ring sleeve, gear teeth are arranged on the outer side surface of the rotor ring, a clamping block is arranged on the inner wall of the ring sleeve, the clamping groove is formed in the position, corresponding to the clamping block, of the rotor ring, the ring sleeve is exposed on the inner side of the rotor ring, two flow plates are arranged on the rotor ring and are respectively positioned on two sides of the rotor ring, the flow distribution plate is attached to the inner wall of the main pipe body, one end of the pressure relief cylinder is arranged on the main pipe body and close to the other end of the main pipe body, the pressure relief cylinder is communicated with the main pipe body box, the protective cover is arranged on the main pipe body and is communicated with the pressure relief cylinder, the protective cover is communicated with the ring sleeve, the piston sleeve is arranged in the other end of the pressure relief cylinder, the limiting plate is arranged in the pressure relief cylinder and is positioned above the piston, one end of the sliding rod is connected with the piston, the other end of the sliding rod upwards penetrates through the limiting plate and is positioned above the limiting plate, the baffle is arranged at the other end of the sliding rod, a first spring is arranged between the baffle and the other end of the pressure relief cylinder, a second spring is arranged on the sliding rod in a sleeved mode, the second spring is positioned between the limiting plate and the piston, a rack is arranged on the sliding rod and is positioned between the limiting plate and the baffle, and a second gear is arranged at the communication position of the pressure relief cylinder and the protective cover through a second wheel shaft, the second gear is meshed with the rack, two second conical gear pairs are respectively arranged at two ends of a second wheel shaft and consist of two second conical gears which are meshed with each other, one second conical gear is sleeved on the second wheel shaft, the other second conical gear is connected with one end of a transmission rod, the fixed shaft is arranged in the protective cover, the two first conical gear pairs are arranged on the fixed shaft and are close to one end of the fixed shaft, the first conical gear pair consists of two second conical gears which are meshed with each other, one first conical gear is sleeved on the fixed shaft, the other first conical gear is connected with the other end of the transmission rod, the other end of the fixed shaft extends out of the protective cover and is positioned in the annular sleeve, and the first gear is sleeved on the other end of the fixed shaft, the first gear is meshed with the rotor ring.
2. The water hammer effect eliminating device according to claim 1, wherein the width of the splitter plate gradually decreases from the outside of the main pipe to the inside thereof, so that the contact position between the splitter plate and the inner wall of the main pipe is a slope, the shifting of the impact water flow is smooth, and the damage to the splitter plate due to the excessive impact force is avoided.
3. The water hammer effect eliminator according to claim 2, wherein bristles are placed on said splitter plate.
4. The water hammer effect eliminator device of claim 1, wherein a wear pad is disposed in said slot.
5. The water hammer effect eliminating device according to claim 1, wherein the number of the pressure relief cylinders is at least one.
6. The water hammer effect eliminating device according to claim 1, wherein the rotor ring and the splitter plate are designed in a matching manner, so that the rotor ring drives the splitter plate to rotate to impact water flow for disturbance elimination, the protection performance of the water hammer effect at the valve is improved, and the action force elimination in the whole circumferential direction can be performed.
7. The water hammer effect eliminating device according to claim 1, wherein the piston is pressed to move upwards to drive the slide rod to move upwards, and the rotor ring is driven to rotate through the conical gear transmission, so that the water hammer effect eliminating device can perform pressure relief buffering by using impact force of impact water flow.
8. The water hammer effect eliminating device of claim 6, wherein the rotor ring rotates to drive the splitter plate thereon to be attached to the tube wall of the main tube body for rotation, so as to rotate and disturb the impact water flow, eliminate the impact force on the tube wall, improve the protection performance of the water hammer effect on the valve, and eliminate the acting force in the whole circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010335889.4A CN111379921B (en) | 2020-04-25 | 2020-04-25 | Water hammer effect eliminating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010335889.4A CN111379921B (en) | 2020-04-25 | 2020-04-25 | Water hammer effect eliminating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111379921A CN111379921A (en) | 2020-07-07 |
| CN111379921B true CN111379921B (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010335889.4A Active CN111379921B (en) | 2020-04-25 | 2020-04-25 | Water hammer effect eliminating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111379921B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066130A (en) * | 2020-09-11 | 2020-12-11 | 马艺卓 | Internal impact relieving mechanism of pipeline steering joint |
| CN113108152B (en) * | 2021-05-20 | 2022-06-07 | 中北大学 | Method for eliminating water hammer of mine drainage pipeline |
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|---|---|---|---|---|
| KR200317378Y1 (en) * | 2003-03-31 | 2003-06-25 | (주)파워클 | Arrester |
| CN203686467U (en) * | 2014-02-12 | 2014-07-02 | 王庆博 | Water hammer buffering device |
| CN206487945U (en) * | 2017-01-20 | 2017-09-12 | 广东深联实业有限公司 | A kind of spiral speed stream sound deadening water pipe |
| CN207796392U (en) * | 2017-12-29 | 2018-08-31 | 三门峡市水利勘测设计有限责任公司 | A kind of novel pipeline water-hammer arrester |
| CN109185596A (en) * | 2018-09-05 | 2019-01-11 | 辽宁石油化工大学 | A kind of water impact preventing structure for pipeline |
| CN208859211U (en) * | 2018-10-18 | 2019-05-14 | 郭雪梅 | A kind of building water supply and drainage blow-off line |
| CN209012633U (en) * | 2018-09-25 | 2019-06-21 | 浙江邦德管业有限公司 | A kind of hard polyvinyl-chloride drainage pipe road |
-
2020
- 2020-04-25 CN CN202010335889.4A patent/CN111379921B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200317378Y1 (en) * | 2003-03-31 | 2003-06-25 | (주)파워클 | Arrester |
| CN203686467U (en) * | 2014-02-12 | 2014-07-02 | 王庆博 | Water hammer buffering device |
| CN206487945U (en) * | 2017-01-20 | 2017-09-12 | 广东深联实业有限公司 | A kind of spiral speed stream sound deadening water pipe |
| CN207796392U (en) * | 2017-12-29 | 2018-08-31 | 三门峡市水利勘测设计有限责任公司 | A kind of novel pipeline water-hammer arrester |
| CN109185596A (en) * | 2018-09-05 | 2019-01-11 | 辽宁石油化工大学 | A kind of water impact preventing structure for pipeline |
| CN209012633U (en) * | 2018-09-25 | 2019-06-21 | 浙江邦德管业有限公司 | A kind of hard polyvinyl-chloride drainage pipe road |
| CN208859211U (en) * | 2018-10-18 | 2019-05-14 | 郭雪梅 | A kind of building water supply and drainage blow-off line |
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| Publication number | Publication date |
|---|---|
| CN111379921A (en) | 2020-07-07 |
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