CN216284162U - Pressure management is to leakage control effect research experimental apparatus of water supply pipe network - Google Patents
Pressure management is to leakage control effect research experimental apparatus of water supply pipe network Download PDFInfo
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- CN216284162U CN216284162U CN202122449339.8U CN202122449339U CN216284162U CN 216284162 U CN216284162 U CN 216284162U CN 202122449339 U CN202122449339 U CN 202122449339U CN 216284162 U CN216284162 U CN 216284162U
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Abstract
The utility model relates to the field of municipal water supply, and discloses a pressure management experimental device for researching leakage control effect of a water supply network, which comprises: the water pool (1) is communicated with a main water inlet pipe (7) through two pipelines, and the main water inlet pipe (7) is communicated with a pipe network (13); the two pipelines are sequentially provided with a manual valve (3), a pool booster pump (2), a check valve (5) and an electric valve (6), and the front and the back of the pool booster pump (2) are respectively provided with a soft joint (4); the main water inlet pipe (7) is provided with a pressure reducing valve (8) and a first electromagnetic flowmeter (91); the pipe network draws a return water pipe (12) to be connected to pond (1), be equipped with electric valve (6) and second electromagnetic flowmeter (92) on return water pipe (12), can realize under the different pressure of quantitative research, the different water consumption, the change condition of pipe network leakage volume, aassessment pressure management's leakage control effect.
Description
Technical Field
The utility model relates to the field of municipal water supply, in particular to a water supply pipeline leakage test device.
Background
The water supply system is the basic guarantee of urban development and people's life. Along with the rapid development of cities, water resources are increasingly in short supply, the water supply cost is continuously improved, water supply networks leak and cause a large amount of water resource waste, and the economic loss of the water supply industry is huge. The leakage control and loss reduction task in the water supply industry is urgent and has great significance. Pressure management is one of important methods for solving the problems of uneven pressure distribution, serious leakage and other hot spots of the urban water supply network. Through the means of pressure management, make regional water supply service pressure balance, realize intelligent fine management, bring comprehensive benefit for water supply network optimization operation. The pressure control can balance the pressure of the pipe network, optimize the operation of the pipe network, reduce water leakage accidents, improve the comfort level of water use and save water resources. Meanwhile, the water supply network management is a long-term operation and maintenance process, the service life of the water supply network can be prolonged through the optimized operation of pressure, and the economical efficiency of the use of the pipeline network assets is improved.
However, the water supply network is buried underground and is limited by the water supply safety of residents, and the optimal control range of pressure management cannot be determined in urban water supply. In addition, the influence factors of the urban water consumption are complex, and the control effect of pressure management on the leakage of the water supply network is difficult to quantify. Therefore, an experimental device for researching the leakage control effect of the pressure management on the water supply pipe network is needed.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a pressure management experimental device for researching the leakage control effect of a water supply pipe network, so that the leakage simulation of the urban water supply pipe network is realized, and the leakage control effect of the pressure management is evaluated.
In order to achieve the above object, the present invention provides an experimental apparatus for researching leakage control effect of pressure management on a water supply pipe network, comprising:
the water tank is communicated with a main water inlet pipe through two pipelines, and the main water inlet pipe is communicated with a pipe network;
the two pipelines are sequentially provided with a manual valve, a pool booster pump, a check valve and an electric valve, and the front and the back of the pool booster pump are respectively provided with a soft joint;
the water tank booster pump is used for supplying water to the whole pipe network in a pressurized mode, the soft joint and the check valve are used for preventing water from flowing backwards, and normal work of the water tank booster pump is guaranteed.
The main water inlet pipe is provided with a pressure reducing valve and a first electromagnetic flowmeter, the first electromagnetic flowmeter is used for metering the total water supply amount, and the pressure reducing valve is used for adjusting the water supply pressure;
a water return pipeline is led out from the pipe network and connected to the water pool to simulate water use of a user;
be equipped with electric valve and second electromagnetic flow meter on the return water pipeline, the second electromagnetic flow meter is used for measuring total water consumption.
Preferably, any position of the pipe network is provided with a plurality of water taps for simulating leakage points of the pipe network.
Preferably, a water meter is arranged in front of the faucet and used for measuring leakage flow and water leakage.
Preferably, the first electromagnetic flowmeter is disposed behind a valve of the pressure reducing valve to meter a total water supply amount.
Preferably, any position of the pipe network is provided with a plurality of manual valves, electric valves and electromagnetic flow meters.
The electrically operated valve is used for controlling water inlet and outlet of the pipe network and independent water supply among the pipelines;
the manual valve is used for ensuring safe water supply.
Preferably, the first electromagnetic flow meter, the second electromagnetic flow meter and the electromagnetic flow meter are all electromagnetic flow meters with pressure measurement functions, and are used for measuring flow and pressure in a pipeline.
Compared with the prior art, the experimental device for researching the leakage control effect of the pressure management on the water supply pipe network can realize the leakage simulation of the urban water supply pipe network, can develop a pressure-leakage quantity relation test experiment, and quantitatively research the change condition of the leakage quantity of the pipe network under different pressures and different water consumption; the leakage control effect of pressure management can be evaluated, the optimal pressure control range under different application scenes is determined, and a basis is provided for pressure management in actual engineering; the pressure-reducing valve can be used as an evaluation and verification platform for new technologies and new products such as a pressure management system based on a pressure-reducing valve.
Drawings
Fig. 1 is a schematic structural diagram of an experimental device for researching the leakage control effect of pressure management on a water supply pipe network.
In the figure: 1. a pool; 2. a pool booster pump; 3. a manual valve; 4. a soft joint; 5. a check valve; 6. an electrically operated valve; 7. a main water inlet pipe; 8. a pressure reducing valve; 9. an electromagnetic flow meter; 91. a first electromagnetic flow meter; 92. a second electromagnetic flow meter; 10. a faucet; 11. a water meter; 12. a water return pipe; 13. pipe network.
Detailed Description
Other advantages and capabilities of the present invention will be readily apparent to those skilled in the art from the present disclosure by describing the embodiments of the present invention with specific embodiments thereof in conjunction with the accompanying drawings. The utility model is capable of other and different embodiments and its several details are capable of modification in various other respects, all without departing from the spirit and scope of the present invention.
Fig. 1 is a schematic structural diagram of an experimental device for researching the leakage control effect of pressure management on a water supply pipe network. As shown in fig. 1, the experimental apparatus for researching the leakage control effect of pressure management on a water supply pipe network of the present invention includes:
the water pool 1 is communicated with a main water inlet pipe 7 through two pipelines, and the main water inlet pipe 7 is communicated with a pipe network 13;
the two pipelines are sequentially provided with a manual valve 3, a pool booster pump 2, a check valve 5 and an electric valve 6, and the front and the back of the pool booster pump 2 are respectively provided with a soft joint 4;
wherein, pond booster pump 2 is used for supplying water to whole pipe network pressurization, flexible joint 4 and check valve 5 are used for preventing the water refluence, guarantee that pond booster pump 2 normally works.
The main water inlet pipe 7 is provided with a pressure reducing valve 8 and a first electromagnetic flow meter 91, the first electromagnetic flow meter 91 is used for metering the total water supply amount, and the pressure reducing valve 8 is used for adjusting the water supply pressure.
A water return pipeline 12 is led out from the pipe network and connected to the water pool 1 so as to simulate water consumption of a user;
the water return pipe 12 is provided with an electric valve 6 and a second electromagnetic flow meter 92, and the second electromagnetic flow meter 92 is used for metering the total water consumption.
Preferably, any position of the pipe network 13 is provided with a plurality of water taps 10 for simulating a pipe network leakage point, and the position is not limited to that shown in fig. 1 and can be adjusted according to different experimental schemes.
Preferably, a water meter 11 is arranged in front of the water tap 10 to measure leakage flow and water leakage.
Preferably, the first electromagnetic flow meter 91 is provided behind the valve of the pressure reducing valve 8 to meter the total water supply.
Preferably, a manual valve 3, an electric valve 6 and an electromagnetic flow meter 9 are arranged at any position of the pipe network 13, and the positions are not limited to those shown in fig. 1 and can be adjusted according to different experimental schemes.
The electrically operated valve 6 is used for controlling water inlet and outlet of the pipe network and independent water supply among the pipelines;
the manual valve 3 is used for ensuring safe water supply.
Preferably, the first electromagnetic flow meter 91, the second electromagnetic flow meter 92 and the electromagnetic flow meter 9 are all electromagnetic flow meters having a pressure measurement function, and can measure the pressure in the pipeline.
The utility model discloses an experimental device for researching the leakage control effect of pressure management on a water supply pipe network, which comprises the following steps:
the water flow in the water pool 1 flows into the pipeline through the water pool booster pump 2, the main water inlet pipe 7 and the like. And (3) opening a return water pipeline 12, simulating water use of a user by using the return water flow, simulating leakage by using water taps 10 distributed in a pipe network 13, and measuring the leakage flow and the leakage quantity by using water meters 11 distributed in the pipe network 13. At the initial moment of the test, the water consumption can be controlled to account for 80 percent of the total water supply, namely the leakage rate is 20 percent. The water supply pressure after the valve of the pressure reducing valve 8 is changed, and the effect of the pressure reducing valve 8 on leakage control of the water supply network 13 is evaluated through the water meters 11 distributed in the pipe network 13. In the process of pressure reduction, the actual water consumption is related to the water demand of a user and does not completely keep a constant relation with the pressure drop, so that two working conditions can be set in an experiment.
The working condition I is as follows: the opening of an electric valve 6 of the water return pipeline 12 is controlled to be unchanged, namely, the water quantity is changed along with the pressure behind the valve;
working conditions are as follows: simulating water consumption without changing with pressure behind a valve by adjusting the opening degree of an electric valve 6 of a water return pipeline 12 or measuring the water consumption of a part of water taps 10;
in actual engineering, the control effect of the pressure reducing valve on leakage is within the range of two working condition results.
Therefore, the utility model is connected to a pipe network 13 through parts such as a water tank 1, a water tank booster pump 2, a main water inlet pipe 7 and the like and supplies water to the whole pipe network 13, a pressure reducing valve 8 is arranged on the main water inlet pipe 7 and is used for reducing and adjusting water supply pressure, leakage flow is simulated and measured by using a water tap 10 and a water meter 11 which are distributed in the pipe network, the total water supply is measured by using a first electromagnetic flow meter 91 on the main water supply pipe 7, and the total water consumption is measured by using a second electromagnetic flow meter 92 on a water return pipe 12.
Compared with the prior art, the experimental device for researching the leakage control effect of the pressure management on the water supply pipe network has the advantages that:
(1) the leakage simulation of the urban water supply pipe network can be realized, a pressure-leakage quantity relation test experiment can be developed, and the change condition of the leakage quantity of the pipe network under different pressures and different water consumption can be quantitatively researched;
(2) evaluating the leakage control effect of pressure management, determining the optimal pressure control range under different application scenes, and providing a basis for pressure management in actual engineering;
(3) the pressure-reducing valve can be used as an evaluation and verification platform for new technologies and new products such as a pressure management system based on a pressure-reducing valve.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, the scope of the utility model should be determined from the following claims.
Claims (6)
1. The utility model provides a pressure management is to leakage control effect research experimental apparatus of water supply network which characterized in that includes: the water pool (1) is communicated with a main water inlet pipe (7) through two pipelines, and the main water inlet pipe (7) is communicated with a pipe network (13); the two pipelines are sequentially provided with a manual valve (3), a pool booster pump (2), a check valve (5) and an electric valve (6), and the front and the back of the pool booster pump (2) are respectively provided with a soft joint (4); the main water inlet pipe (7) is provided with a pressure reducing valve (8) and a first electromagnetic flowmeter (91); a water return pipeline (12) is led out from the pipe network and connected to the water pool (1), and an electric valve (6) and a second electromagnetic flow meter (92) are arranged on the water return pipeline (12).
2. The experimental device for researching the leakage control effect of pressure management on the water supply pipe network as claimed in claim 1, wherein: a plurality of water taps (10) are arranged at any position of the pipe network (13).
3. The experimental device for researching the leakage control effect of pressure management on the water supply pipe network as claimed in claim 2, wherein: a water meter (11) is arranged in front of the water tap (10).
4. A pressure management experimental device for researching the leakage control effect of a water supply pipe network as claimed in claim 3, wherein: the first electromagnetic flow meter (91) is arranged behind the pressure reducing valve (8).
5. The experimental device for researching the leakage control effect of pressure management on the water supply pipe network as claimed in claim 4, wherein: and a plurality of manual valves (3), electric valves (6) and electromagnetic flow meters (9) are arranged at any positions of the pipe network (13).
6. The experimental device for researching the leakage control effect of pressure management on the water supply pipe network as claimed in claim 5, wherein: the first electromagnetic flow meter (91), the second electromagnetic flow meter (92) and the electromagnetic flow meter (9) are all electromagnetic flow meters with pressure measurement functions.
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| CN202122449339.8U CN216284162U (en) | 2021-10-12 | 2021-10-12 | Pressure management is to leakage control effect research experimental apparatus of water supply pipe network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023060648A1 (en) * | 2021-10-12 | 2023-04-20 | 上海城市水资源开发利用国家工程中心有限公司 | Performance testing device and method for water supply pipe network pressure management system based on pressure reduction valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023060648A1 (en) * | 2021-10-12 | 2023-04-20 | 上海城市水资源开发利用国家工程中心有限公司 | Performance testing device and method for water supply pipe network pressure management system based on pressure reduction valve |
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