CN108825923B - Novel simple water hammer eliminating device - Google Patents
Novel simple water hammer eliminating device Download PDFInfo
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- CN108825923B CN108825923B CN201811008784.7A CN201811008784A CN108825923B CN 108825923 B CN108825923 B CN 108825923B CN 201811008784 A CN201811008784 A CN 201811008784A CN 108825923 B CN108825923 B CN 108825923B
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- movable valve
- protection box
- pressure movable
- pipeline
- pressure
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
- Pipe Accessories (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
The invention provides a novel simple water hammer eliminating device which comprises a water pipe and a pipeline valve, wherein a protection box is arranged on the pipeline, a through hole is formed between the protection box and the pipeline and is arranged at a water inlet of the pipeline valve, a pressure movable valve is arranged at the through hole and is opened and closed by water pressure, the pressure movable valve is a rectangular plate, two sides of the position with the length ratio of 1:3 are provided with pressure movable valve shafts or holes penetrating through the valve through shafts, and two ends of the pressure movable valve shafts or the through shafts are respectively fixed on the pipeline which is arranged in the protection box and is perpendicular to the lower end of the side wall corresponding to the pressure movable valve shafts or the through shafts. The protection box is internally provided with water which flows in a circulating way by the impeller. The beneficial effects of the invention are as follows: simple structure, the implementation of being convenient for effectively solves in pipeline airtight system, because some external reason like the valve is closed suddenly for the velocity of flow of water drops suddenly, causes the pipeline to receive the water hammer problem of destruction, has prolonged the life of pipeline, has practiced thrift the pipeline material.
Description
Technical Field
The invention belongs to the field of water hammer eliminating devices, and particularly relates to a novel simple water hammer eliminating device.
Background
In a pipeline closed system, due to the fact that a valve is suddenly closed or suddenly power fails due to some external reasons, the flow speed of water is suddenly reduced, potential energy carried by the water impacts the valve and the pipeline at the moment, and a water flow impact force is generated, just like a hammer to beat the pipe wall, so that the water hammer is extremely destructive, and the pipeline or the valve is often damaged. The existing water hammer eliminating technical device is complex in structure, complex in operation and high in cost, and cannot be effectively popularized on a large scale.
Disclosure of Invention
The invention mainly solves the technical problem of providing a novel simple water hammer eliminating device, which can solve the problem that the pipeline or the valve is damaged due to the fact that the flow velocity of water is suddenly increased due to the external reasons such as sudden closing of the valve or power failure and the like, and the pressure of the pipeline wall is suddenly increased by more than tens times when the pipeline wall is in a normal flow state.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a novel simple and easy water hammer elimination device, including raceway, pipeline valve, the guard box of setting on the pipeline, it has the through-hole and sets up the water inlet at pipeline valve to open between guard box and the pipeline, through-hole department is equipped with pressure movable valve and opens and shuts through the water pressure, pressure movable valve is rectangle panel and is equipped with the pressure movable valve axle or runs through the hole with the valve through-shaft in the both sides of length ratio 1:3 department, the both ends of pressure movable valve axle or through-shaft are fixed respectively on the pipeline of the lateral wall lower extreme that just perpendicular to pressure movable valve axle or through-shaft correspond in the guard box. The protection box is internally provided with water which flows in a circulating way by the impeller.
The valve shaft is a through shaft which is positioned in the protection box and is perpendicular to the lower end of the corresponding side wall of the valve shaft, and a movable sleeve is arranged on the through shaft; the pressure movable valve is provided with a through shaft hole which is fixedly connected with the sleeve.
The length of the openings around the bottom side of the protection box is smaller than that of the bottom side of the protection box, the length around the pressure movable valve is larger than that of the openings around the side wall on the pipeline, the long end of the pressure movable valve is positioned in the protection box, and the short end of the pressure movable valve is positioned in the pipeline.
And a buffer rubber cushion is arranged at the contact part of the two ends of the pressure movable valve and the side wall of the protection box body.
The protection box is internally provided with an impeller, the impeller is fixed on an impeller rotating shaft, and the impeller rotating shaft is matched with an impeller rotating shaft rotating hole on the corresponding side wall of the protection box.
The impeller rotating shaft is arranged in parallel with the pressure movable valve shaft and is positioned in the middle of the protection box.
The bottom of the two side walls of the protection box is provided with grooves for bearing two ends of the lantern ring, the grooves are matched with the two ends of the lantern ring, the inner walls of the grooves are provided with valve shaft welding points, and the bottom of the two side walls of the protection box is fixedly connected with a pressure movable valve shaft through the valve shaft welding points.
The upper part is provided with a spring fixing plate, and a tension spring is arranged between the spring fixing plate and the long plate of the pressure movable valve.
The tension springs are spring groups with the same elastic coefficient and arranged in parallel.
The ultimate compression length of the tension spring is the same as the height of the spring fixing plate.
The beneficial effects of the invention are as follows: the device can effectively solve the problems that the flow velocity of water is suddenly increased, and water flow impact force is generated due to the fact that the pipeline valve is suddenly closed or the external reasons such as power failure and the like in the prior pipeline, and the pipeline or the valve is damaged due to the fact that the pipeline wall is beaten like a hammer. The length of the right side of the pressure movable valve is three times that of the left side, so that the pressure born by the right side of the pressure movable valve is obviously higher than the left side pressure when a water hammer phenomenon occurs, water flows can flow out from the right side, buffer rubber gaskets are arranged at the two ends of the pressure movable valve, which are close to the box body of the protection box, and the problem that the valve is frequently damaged by the surplus box body at the bottom side of the protection box is avoided; the length of the openings around the bottom side of the protection box is smaller than that of the bottom side of the protection box, the length of the openings around the pressure movable valve is larger than that of the openings around the side wall of the pipeline, the long end of the pressure movable valve is positioned in the protection box, and the short end of the pressure movable valve is positioned in the pipeline. The pressure movable valve is in interference fit with the notch at the bottom of the protection box, so that gaps are avoided between the pressure movable valve and the bottom of the protection box, the device effect is affected, the compression length of the spring set is the same as the height of the spring set fixing plate, the maximum rotation angle of the pressure movable valve is 45 degrees, and the collision between the pressure movable valve and the impeller is avoided.
Drawings
FIG. 1 is a schematic diagram of a novel simple water hammer eliminating device;
FIG. 2 is a schematic top view of the novel simple water hammer elimination device of FIG. 1;
FIG. 3 is a schematic diagram of a protection box structure of the novel simple water hammer eliminating device;
FIG. 4 is a schematic view of the partial structure of the bottom side of the protection box and the pressure movable valve of the novel simple water hammer eliminating device;
fig. 5 is a schematic diagram of a pressure movable valve structure of a protection box of the novel simple water hammer eliminating device.
In the figure:
1. water pipe 2, valve shaft 3 and spring fixing plate
4. Impeller rotating shaft 5, impeller 6 and spring set
7. Protection box 8, pressure movable valve 9 and pipeline valve
6-1, spring set welding point
7-1, a groove 7-2 at the bottom side of the protection box and a valve shaft welding point
7-3 protection box bottom side surplus box 7-4 impeller rotating shaft rotating hole
8-1 sleeve
Detailed Description
The novel simple water hammer eliminating device structure of the invention is further described below with reference to specific embodiments.
The novel water hammer eliminating device comprises a water pipe 1, a pipeline valve 9, a protection box 7 arranged on the pipeline, a side wall opening arranged on the bottom side of the protection box 7 and a water inlet pipeline of the pipeline valve 9 are communicated, a pressure movable valve 8 is arranged at the side wall opening and is opened and closed by water pressure, the pressure movable valve 8 is a rectangular plate, pressure movable valve shafts which are integrally connected are arranged on two sides of the position with the length ratio of 1:3, or through holes are formed in the position with the length ratio of 1:3 of the rectangular plate and penetrate through the pressure movable valve shafts, and two ends of the pressure movable valve shafts are respectively embedded into the protection box 7 and perpendicular to the inner walls of the lower ends of corresponding side walls of the pressure movable valve shafts. The pressure movable valve shaft 2 can also be a through shaft which is positioned in the protection box 7 and is vertical to the lower end of the corresponding side wall of the valve shaft, and the through shaft is provided with a movable sleeve 8-1; the pressure movable valve 8 is provided with a through shaft hole which is fixedly connected with the sleeve 8-1.
The length of the openings around the bottom side of the protection box 7 is smaller than that of the bottom side of the protection box 7, the length around the pressure movable valve 8 is larger than that of the openings around the side wall on the pipeline, the long end of the pressure movable valve 8 is located in the protection box 7, and the short end of the pressure movable valve 8 is located in the pipeline. And buffer rubber pads are arranged at the contact positions of the two ends of the pressure movable valve 8 and the side wall of the protection box body. The two side walls of the protection box 7 are provided with grooves 7-1 for bearing two ends 8-1 of the lantern ring, the grooves 7-1 are matched with the two ends of the lantern ring 8-1, the inner wall of the grooves 7-1 is provided with valve shaft welding points 7-2, and the bottoms of the two side walls of the protection box 7 are fixedly connected with the pressure movable valve shaft 2 through the valve shaft welding points 7-2.
The sleeve 8-1 is provided with a spring fixing plate 3, a tension spring is arranged between the spring fixing plate 3 and a long plate of the pressure movable valve 8, the tension spring is a spring group 6 with the same elastic coefficient and arranged in parallel, and the ultimate compression length of the tension spring is the same as the height of the spring fixing plate 3.
An impeller 5 is arranged in the protection box 7, the impeller 5 is fixed on the impeller rotating shaft 4, and the impeller rotating shaft 4 is matched with an impeller rotating shaft rotating hole 7-4 on the corresponding side wall of the protection box 7. The impeller rotating shaft 4 is arranged in parallel with the pressure movable valve shaft and is positioned in the middle of the protection box 7.
Taking a water pipe 1 of DN100 as an example, the length of the protection box 7 is 200mm, the width is 100mm, the height is 150mm, and the left and right sides of the bottom of the box are respectively provided with a surplus box length of 20 mm; the left side length of the pressure movable valve 8 is 40mm, the right side length is 120mm, the length of the impeller 5 is 80mm, the width is 40mm, the spring group 6 consists of 3 tension springs with the elastic coefficient of 5N/m, the extension length is 70mm, the limit compression length is the same as the height of the spring group fixing plate, and is 40mm, when the water flow normally flows in the water pipe 1, the pressure of the spring group 6 fixed on the spring group fixing plate 3 to the pressure movable valve 8 is larger than the pressure of the water flow to the pipe wall and the pressure movable valve 8, the pressure movable valve 8 is in a closed state, when the pipe valve 9 is suddenly closed, the water flow speed suddenly and linearly decreases, potential energy carried by the water at the moment impacts the pipe valve 9 and the water pipe 1, so that the pressure in the water pipe 1 rises directly, the instantaneous pressure of the water flow suddenly becomes more than tens times under the normal flow condition, at this time, the pressure of the water flow to the pressure movable valve 8 is greater than the pressure of the spring set to the pressure movable valve 8, meanwhile, as the length of the right side of the pressure movable valve 8 is three times the length of the left side, and the pressure applied to the position closer to the pipeline valve 9 is greater, the pressure applied to the right side of the pressure movable valve 8 is obviously greater than the left side pressure, so that the pressure movable valve 8 rotates around the valve shaft 2, the valve is opened, the water flow flows from the right side, the impeller 5 is impacted, the impeller 5 drives the impeller rotating shaft 4 to rotate, the potential energy of the water flow is converted into the mechanical energy of the impeller 5, the impeller drives the water flow to flow out from the left side of the pressure movable valve 8, when the pressure of the water flow to the pressure movable valve 8 is gradually reduced to be smaller than the pressure applied to the pressure movable valve 8 by the spring set 6, the pressure movable valve 8 is closed again, when the water hammer phenomenon occurs again, therefore, the damage to the pipe wall and the valve caused by the instantaneous pressure of water flow is avoided, and the buffer rubber cushion is arranged at the two ends of the pressure movable valve 8 close to the box body of the protection box 7, so that the device is prevented from being damaged due to frequent collision between the pressure movable valve 8 and the surplus box body 7-3 at the bottom side of the protection box; the length of the openings around the bottom side of the protection box is smaller than that of the bottom side of the protection box 7, the length around the pressure movable valve 8 is larger than that of the openings around the side wall on the pipeline, the long end of the pressure movable valve 8 is located in the protection box 7, and the short end of the pressure movable valve 8 is located in the pipeline. The pressure movable valve 8 is in interference fit with a notch at the bottom of the protection box 7, so that gaps are formed between the pressure movable valve and the bottom of the protection box, the device effect is influenced, the maximum compression length of a tension spring used by the spring set 6 is the same as the height of the spring set fixing plate 3, the maximum rotation angle of the pressure movable valve 8 is 45 degrees, and the pressure movable valve 8 is prevented from colliding with the impeller 5.
Of course, the above description is not intended to limit the invention, but rather the invention is not limited to the above examples, and variations, modifications, additions or substitutions within the spirit and scope of the invention will be within the scope of the invention.
Claims (10)
1. A novel simple water hammer elimination device, comprising: the water delivery pipe (1) and the pipeline valve (9) are characterized in that: the pipeline protection device is characterized by further comprising a protection box (7) arranged on the pipeline, wherein the bottom surface of the protection box (7) is communicated with a side wall opening arranged on a water inlet pipeline of the pipeline valve (9), a pressure movable valve (8) is arranged at the side wall opening and is opened and closed through water pressure, the pressure movable valve (8) is a rectangular plate, two sides of the position with the length ratio of 1:3 are respectively and correspondingly provided with a pressure movable valve shaft (2), and two ends of the pressure movable valve shaft (2) are respectively embedded into the inner walls of the protection box (7) and the lower ends of the corresponding side walls of the pressure movable valve shaft (2) perpendicular to the pressure movable valve shaft.
2. The novel simple water hammer eliminating device according to claim 1, wherein: the pressure movable valve shaft (2) is a through shaft which is positioned in the protection box (7) and is perpendicular to the lower end of the corresponding side wall of the valve shaft, and a movable sleeve (8-1) is arranged on the through shaft; the pressure movable valve (8) is provided with a through shaft hole which is fixedly connected with the sleeve (8-1).
3. The novel simple water hammer eliminating device according to claim 1 or 2, wherein: the length of the opening around the bottom side of the protection box (7) is smaller than that of the bottom side of the protection box (7), the length around the pressure movable valve (8) is larger than that of the opening around the side wall on the pipeline, the long end of the pressure movable valve (8) is located in the protection box (7), and the short end of the pressure movable valve (8) is located in the pipeline.
4. The novel simple water hammer eliminating device according to claim 1 or 2, wherein: and buffer rubber pads are arranged at the contact positions of the two ends of the pressure movable valve (8) and the side wall of the protection box body.
5. The novel simple water hammer eliminating device according to claim 1, wherein: an impeller (5) is arranged in the protection box (7), the impeller (5) is fixed on the impeller rotating shaft (4), and the impeller rotating shaft (4) is matched with an impeller rotating shaft rotating hole (7-4) on the corresponding side wall of the protection box (7).
6. The novel simple water hammer eliminating device according to claim 5, wherein: the impeller rotating shaft (4) is arranged in parallel with the pressure movable valve shaft (2) and is positioned in the middle of the protection box (7).
7. The novel simple water hammer eliminating device according to claim 1, wherein: grooves (7-1) at two ends of the bearing lantern ring (8-1) are formed in the bottoms of the two side walls of the protection box (7), the grooves (7-1) are matched with the two ends of the lantern ring (8-1), valve shaft welding points (7-2) are arranged on the inner walls of the grooves (7-1), and the bottoms of the two side walls of the protection box (7) are fixedly connected with the pressure movable valve shaft (2) through the valve shaft welding points (7-2).
8. The novel simple water hammer eliminating device according to claim 2, wherein: a spring fixing plate (3) is arranged on the sleeve (8-1), and a tension spring is arranged between the spring fixing plate (3) and a long plate of the pressure movable valve (8).
9. The novel simple water hammer eliminating device according to claim 8, wherein: the tension springs are spring groups (6) which are arranged in parallel and have the same elastic coefficient.
10. The novel simple water hammer eliminating device according to claim 8 or 9, wherein: the ultimate compression length of the tension spring is the same as the height of the spring fixing plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008784.7A CN108825923B (en) | 2018-08-31 | 2018-08-31 | Novel simple water hammer eliminating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008784.7A CN108825923B (en) | 2018-08-31 | 2018-08-31 | Novel simple water hammer eliminating device |
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| CN108825923A CN108825923A (en) | 2018-11-16 |
| CN108825923B true CN108825923B (en) | 2023-05-16 |
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| CN201811008784.7A Active CN108825923B (en) | 2018-08-31 | 2018-08-31 | Novel simple water hammer eliminating device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253885A (en) * | 2019-08-13 | 2021-01-22 | 温州盖一机械有限公司 | Water hammer-proof pressure balancing device for sewage treatment and use method |
| CN112066130A (en) * | 2020-09-11 | 2020-12-11 | 马艺卓 | Internal impact relieving mechanism of pipeline steering joint |
| CN113105924A (en) * | 2021-04-16 | 2021-07-13 | 广东韶钢松山股份有限公司 | Coke oven gas oil washing and deslagging device |
| CN113108152B (en) * | 2021-05-20 | 2022-06-07 | 中北大学 | Method for eliminating water hammer of mine drainage pipeline |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04341691A (en) * | 1991-05-20 | 1992-11-27 | Kubota Corp | Water hammer lightening device |
| CN2388470Y (en) * | 1999-07-26 | 2000-07-19 | 王文毅 | Multi-functional protecting device for high-pressure delivery pipeline |
| CN203273173U (en) * | 2013-05-14 | 2013-11-06 | 浙江工贸职业技术学院 | Waterproof hammer pilot valve |
| CN207468231U (en) * | 2017-11-09 | 2018-06-08 | 安徽利尔环境科技有限公司 | A kind of water outlet protected against splashing water pressure pot |
| CN108050339A (en) * | 2018-01-08 | 2018-05-18 | 青海小西牛生物乳业股份有限公司 | A kind of water-hammer arrester |
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2018
- 2018-08-31 CN CN201811008784.7A patent/CN108825923B/en active Active
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Effective date of registration: 20211210 Address after: 300384 No. 26, Jing Jing Road, Xiqing District, Tianjin Applicant after: Tianjin Chengjian University Applicant after: Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences Address before: 300384 No. 26, Jing Jing Road, Xiqing District, Tianjin Applicant before: Tianjin Chengjian University |
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