CN110425427B - Control method for water supply pipe network leakage - Google Patents
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- CN110425427B CN110425427B CN201910764176.7A CN201910764176A CN110425427B CN 110425427 B CN110425427 B CN 110425427B CN 201910764176 A CN201910764176 A CN 201910764176A CN 110425427 B CN110425427 B CN 110425427B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 251
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000012423 maintenance Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000005728 strengthening Methods 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 238000007751 thermal spraying Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
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Abstract
The invention discloses a control method for water supply pipe network leakage, which comprises the following steps of selecting a water supply pipe with a material suitable for the geological characteristics of a region according to the geological characteristics of the region; carrying out verification and verification on the metering precision of the metering water meter; the anticorrosion strengthening treatment of accessories and valves; checking the service life of the large-caliber gauge; establishing a water supply network data database; establishing a maintenance control scheduling platform based on a GPS; solving the leakage amount; setting water pressure of a water supply network; establishing a plurality of pressure monitoring points; according to the invention, from the geological characteristic perspective, the water supply pipeline materials meeting the geological characteristics are selected to form the water supply pipeline network, the leakage occurrence rate of the water supply pipeline network can be effectively controlled from the source, the optimal valve control scheme is obtained through installing a pressure reducing valve and calculating, the water consumption is counted and analyzed to obtain the water consumption guide scheme in the area, the water pressure of the water supply pipeline network is reasonably set, the leakage is controlled in multiple aspects, and the leakage control effect of the water supply pipeline network can be improved.
Description
Technical Field
The invention relates to the field of water supply network loss, in particular to a control method for water supply network loss.
Background
The leakage is a serious phenomenon generally existing in the water supply industry, the leakage not only wastes valuable water resources, but also causes huge economic loss for water supply enterprises, and the problem of serious leakage of the water supply network is solved on the premise of ensuring the safety and reliability of water supply, so that the leakage always puzzles the world water supply industry, and the leakage of the water supply network has very important development significance.
The water leakage amount of the water supply pipe network is mainly the water leakage amount from the positions of pipelines, pipe fittings, fire hydrants and the like, when the water leakage amount occurs, the traditional control method for the water supply pipe network leakage cannot timely control and process the water supply pipe network leakage in time due to the fact that the accurate position of a leakage point and the leaked water amount are difficult to determine, and resource waste and huge economic loss are still caused.
Disclosure of Invention
Aiming at the problems, the invention provides a control method for water supply pipe network leakage, which is characterized in that from the geological characteristic perspective, water supply pipe materials meeting the geological characteristics are selected to form a water supply pipe network, the leakage occurrence rate of the water supply pipe network can be effectively controlled from the source, an optimal valve control scheme is obtained through installing a pressure reducing valve and calculating, and a water consumption guide scheme in the area is obtained through counting and analyzing the water consumption, the water pressure of the water supply pipe network is reasonably set, the leakage is controlled in multiple aspects, the leakage control effect of the water supply pipe network can be improved, the water source waste can be reduced, and the economic loss is reduced.
The invention provides a control method for water supply pipe network loss, which comprises the following steps:
the method comprises the following steps: selecting water supply pipelines made of materials suitable for the geological characteristics of the region to form a water supply pipe network according to the geological characteristics of the region;
step two: the measuring accuracy of the measuring water meters in the water supply pipe network is verified and verified, so that the measuring accuracy of all the measuring water meters applied to the water supply pipe network is ensured to be accurate;
step three: performing corresponding anticorrosion strengthening treatment on all accessories and valves applied to the water supply pipe network;
step four: checking the service lives of all the large-caliber metering water meters in the water supply pipe network regularly and irregularly, and replacing the large-caliber metering water meters exceeding the service lives in time;
step five: establishing a water supply network data database according to the water supply network parameter data;
step six: according to the coverage area of a water supply pipe network, a maintenance control scheduling platform based on a GPS is established;
step seven: installing a pressure reducing valve in a water supply pipe network, calculating the pressure at the outlet of the pressure reducing valve to obtain an optimal valve control scheme, then establishing a node pressure leakage model of a residential side of a cell unit, and solving the leakage;
step eight: carrying out statistics and analysis on water consumption to obtain a water consumption guide scheme in the region, and setting the water pressure of a water supply network to obtain a water pressure safety value;
step nine: a plurality of pressure monitoring points are established in the area where the water supply network is located, the pressure in the water supply network is detected in real time, and the monitoring points with large pressure and water pressure safety value change amplitude are checked in time through a maintenance control scheduling platform based on a GPS. The further improvement lies in that: when the water supply pipeline with the material suitable for the geological characteristics of the area is selected to form the water supply pipe network in the step one, the geological characteristics to be considered comprise the geological structure type, the geological pH value and the geological plate stability of the area where the water supply pipe network is located.
The further improvement lies in that: and the metering water meters in the water supply pipe network in the step two comprise a source water meter, a factory-entering water meter, a factory-leaving water meter and a sale water meter.
The further improvement lies in that: and in the third step, during the anticorrosion reinforcing treatment, the anticorrosion is reinforced by thermally spraying PE anticorrosion coating on the fittings and the valve, wherein the thickness of the thermal spraying of the PE anticorrosion coating is 2-3 mm.
The further improvement lies in that: the concrete method in the step five is as follows: and establishing a water supply pipe network data database according to the position, elevation, pipe diameter, water pressure and completion map parameter data of the pipeline in the water supply pipe network, and updating the changed parameter data in the water supply pipe network in time in the database.
The further improvement lies in that: the concrete method in the seventh step is as follows: the method comprises the steps of installing pressure reducing valves at all residential side entrance ends of a water supply pipe network, carrying out differential algorithm calculation on pressure at outlets of the pressure reducing valves to obtain an optimal valve control scheme, then establishing a node pressure leakage quantity model of the residential side entrance ends, taking opening states of the pressure reducing valves in the valve control scheme as state parameters, and solving leakage quantities of the node pressure leakage quantity model.
The further improvement lies in that: the concrete method in the step eight comprises the following steps: carrying out big data statistics and analysis on the water consumption of the area where the water supply pipe network is located to obtain a water consumption guide scheme of the area, and reasonably setting the water pressure of the water supply pipe network according to the total water consumption data in the guide scheme and the leakage data of the node pressure leakage model to obtain a water pressure safety value.
The invention has the beneficial effects that: the leakage rate of the water supply pipe network can be effectively controlled from the source by selecting the water supply pipeline materials according with the geological characteristics from the geological characteristics, the leakage can be effectively reduced and the operation stability of the water supply pipe network can be improved by carrying out verification and anti-corrosion strengthening treatment on the water meters, the accessories and the valves, the loss caused by later maintenance on the water supply pipe network can be reduced by establishing a water supply pipe network data database, the control efficiency of the leakage phenomenon can be improved by establishing a maintenance control scheduling platform based on a GPS (global positioning system), an optimal valve control scheme is obtained by installing a pressure reducing valve and calculating, and a water consumption guide scheme is obtained by carrying out statistics and analysis on the water consumption, the water pressure of the water supply pipe network is reasonably set, the leakage is controlled in many aspects, the leakage control effect of the water supply pipe network can be improved, and the waste of water sources can be reduced, thereby reducing economic losses.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
A control method for water supply pipe network leakage comprises the following steps:
the method comprises the following steps: according to the geological characteristics of the region, wherein the geological characteristics comprise geological structure type, geological pH value and geological plate stability of the region where the water supply pipe network is located, selecting a material suitable for the geological characteristics of the region to form the water supply pipe network;
step two: the metering accuracy of a source water meter, a factory-entering water meter, a factory-leaving water meter and a selling water meter in the water supply pipe network is verified and verified, so that the metering accuracy of all the metering water meters applied to the water supply pipe network is accurate;
step three: performing corresponding anticorrosion strengthening treatment on all accessories and valves applied in the water supply pipe network, and performing anticorrosion strengthening by adopting a mode of thermally spraying a PE anticorrosion coating on the accessories and the valves, wherein the thermal spraying thickness of the PE anticorrosion coating is 2 mm;
step four: checking the service lives of all the large-caliber metering water meters in the water supply pipe network regularly and irregularly, and replacing the large-caliber metering water meters exceeding the service lives in time;
step five: establishing a water supply pipe network data database according to the position, elevation, pipe diameter, water pressure and completion map parameter data of the pipelines in the water supply pipe network, and updating the changed parameter data in the water supply pipe network in time in the database;
step six: according to the coverage area of a water supply pipe network, a maintenance control scheduling platform based on a GPS is established;
step seven: installing pressure reducing valves at all residential side units of a water supply network, calculating the pressure at the outlet of each pressure reducing valve by using a differential algorithm to obtain an optimal valve control scheme, then establishing a node pressure leakage quantity model of the residential side units, and solving the leakage quantity of the node pressure leakage quantity model by using the opening state of the pressure reducing valves in the valve control scheme as a state parameter;
step eight: carrying out big data statistics and analysis on water consumption of a region where the water supply pipe network is located to obtain a water consumption guide scheme of the region, and reasonably setting water pressure of the water supply pipe network according to total water consumption data in the guide scheme and leakage data of a node pressure leakage model to obtain a water pressure safety value;
step nine: a plurality of pressure monitoring points are established in the area where the water supply network is located, the pressure in the water supply network is detected in real time, and the monitoring points with large pressure and water pressure safety value change amplitude are checked in time through a maintenance control scheduling platform based on a GPS.
Example two
A control method for water supply pipe network leakage comprises the following steps:
the method comprises the following steps: according to the geological characteristics of the region, wherein the geological characteristics comprise geological structure type, geological pH value and geological plate stability of the region where the water supply pipe network is located, selecting a material suitable for the geological characteristics of the region to form the water supply pipe network;
step two: the metering accuracy of a source water meter, a factory-entering water meter, a factory-leaving water meter and a selling water meter in the water supply pipe network is verified and verified, so that the metering accuracy of all the metering water meters applied to the water supply pipe network is accurate;
step three: performing corresponding anticorrosion strengthening treatment on all accessories and valves applied in the water supply pipe network, and performing anticorrosion strengthening by adopting a mode of thermally spraying a PE anticorrosion coating on the accessories and the valves, wherein the thermal spraying thickness of the PE anticorrosion coating is 2.5 mm;
step four: checking the service lives of all the large-caliber metering water meters in the water supply pipe network regularly and irregularly, and replacing the large-caliber metering water meters exceeding the service lives in time;
step five: establishing a water supply pipe network data database according to the position, elevation, pipe diameter, water pressure and completion map parameter data of the pipelines in the water supply pipe network, and updating the changed parameter data in the water supply pipe network in time in the database;
step six: according to the coverage area of a water supply pipe network, a maintenance control scheduling platform based on a GPS is established;
step seven: installing pressure reducing valves at all residential side units of a water supply network, calculating the pressure at the outlet of each pressure reducing valve by using a differential algorithm to obtain an optimal valve control scheme, then establishing a node pressure leakage quantity model of the residential side units, and solving the leakage quantity of the node pressure leakage quantity model by using the opening state of the pressure reducing valves in the valve control scheme as a state parameter;
step eight: carrying out big data statistics and analysis on water consumption of a region where the water supply pipe network is located to obtain a water consumption guide scheme of the region, and reasonably setting water pressure of the water supply pipe network according to total water consumption data in the guide scheme and leakage data of a node pressure leakage model to obtain a water pressure safety value;
step nine: a plurality of pressure monitoring points are established in the area where the water supply network is located, the pressure in the water supply network is detected in real time, and the monitoring points with large pressure and water pressure safety value change amplitude are checked in time through a maintenance control scheduling platform based on a GPS.
EXAMPLE III
A control method for water supply pipe network leakage comprises the following steps:
the method comprises the following steps: according to the geological characteristics of the region, wherein the geological characteristics comprise geological structure type, geological pH value and geological plate stability of the region where the water supply pipe network is located, selecting a material suitable for the geological characteristics of the region to form the water supply pipe network;
step two: the metering accuracy of a source water meter, a factory-entering water meter, a factory-leaving water meter and a selling water meter in the water supply pipe network is verified and verified, so that the metering accuracy of all the metering water meters applied to the water supply pipe network is accurate;
step three: performing corresponding anticorrosion strengthening treatment on all accessories and valves applied in the water supply pipe network, and performing anticorrosion strengthening by adopting a mode of thermally spraying a PE anticorrosion coating on the accessories and the valves, wherein the thermal spraying thickness of the PE anticorrosion coating is 3 mm;
step four: checking the service lives of all the large-caliber metering water meters in the water supply pipe network regularly and irregularly, and replacing the large-caliber metering water meters exceeding the service lives in time;
step five: establishing a water supply pipe network data database according to the position, elevation, pipe diameter, water pressure and completion map parameter data of the pipelines in the water supply pipe network, and updating the changed parameter data in the water supply pipe network in time in the database;
step six: according to the coverage area of a water supply pipe network, a maintenance control scheduling platform based on a GPS is established;
step seven: installing pressure reducing valves at all residential side units of a water supply network, calculating the pressure at the outlet of each pressure reducing valve by using a differential algorithm to obtain an optimal valve control scheme, then establishing a node pressure leakage quantity model of the residential side units, and solving the leakage quantity of the node pressure leakage quantity model by using the opening state of the pressure reducing valves in the valve control scheme as a state parameter;
step eight: carrying out big data statistics and analysis on water consumption of a region where the water supply pipe network is located to obtain a water consumption guide scheme of the region, and reasonably setting water pressure of the water supply pipe network according to total water consumption data in the guide scheme and leakage data of a node pressure leakage model to obtain a water pressure safety value;
step nine: a plurality of pressure monitoring points are established in the area where the water supply network is located, the pressure in the water supply network is detected in real time, and the monitoring points with large pressure and water pressure safety value change amplitude are checked in time through a maintenance control scheduling platform based on a GPS.
According to the first embodiment, the second embodiment and the third embodiment, corrosion resistance is enhanced by thermally spraying the PE corrosion-resistant coating on the fittings and the valves, when the thickness of the PE corrosion-resistant coating is 2-3 mm, the fittings and the valves have the best corrosion resistance, the damage rate can be effectively reduced, and the reduction of the leakage phenomenon incidence rate of a water supply pipe network is ensured.
The leakage rate of the water supply pipe network can be effectively controlled from the source by selecting the water supply pipeline materials according with the geological characteristics from the geological characteristics, the leakage can be effectively reduced and the operation stability of the water supply pipe network can be improved by carrying out verification and anti-corrosion strengthening treatment on the water meters, the accessories and the valves, the loss caused by later maintenance on the water supply pipe network can be reduced by establishing a water supply pipe network data database, the control efficiency of the leakage phenomenon can be improved by establishing a maintenance control scheduling platform based on a GPS (global positioning system), an optimal valve control scheme is obtained by installing a pressure reducing valve and calculating, and a water consumption guide scheme is obtained by carrying out statistics and analysis on the water consumption, the water pressure of the water supply pipe network is reasonably set, the leakage is controlled in many aspects, the leakage control effect of the water supply pipe network can be improved, and the waste of water sources can be reduced, thereby reducing economic losses.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A control method for water supply pipe network leakage is characterized by comprising the following steps:
the method comprises the following steps: selecting water supply pipelines made of materials suitable for the geological characteristics of the region to form a water supply pipe network according to the geological characteristics of the region;
step two: the measuring accuracy of the measuring water meters in the water supply pipe network is verified and verified, so that the measuring accuracy of all the measuring water meters applied to the water supply pipe network is ensured to be accurate;
step three: performing corresponding anticorrosion strengthening treatment on all accessories and valves applied to the water supply pipe network;
step four: checking the service lives of all the large-caliber metering water meters in the water supply pipe network regularly and irregularly, and replacing the large-caliber metering water meters exceeding the service lives in time;
step five: establishing a water supply network data database according to the water supply network parameter data;
step six: according to the coverage area of a water supply pipe network, a maintenance control scheduling platform based on a GPS is established;
step seven: installing a pressure reducing valve in a water supply pipe network, calculating the pressure at the outlet of the pressure reducing valve to obtain an optimal valve control scheme, then establishing a node pressure leakage model of a residential side of a cell unit, and solving the leakage;
step eight: carrying out statistics and analysis on water consumption to obtain a water consumption guide scheme in the region, and setting the water pressure of a water supply network to obtain a water pressure safety value;
step nine: a plurality of pressure monitoring points are established in the area where the water supply network is located, the pressure in the water supply network is detected in real time, and the monitoring points with large pressure and water pressure safety value change amplitude are checked in time through a maintenance control scheduling platform based on a GPS.
2. The method for controlling the leakage of the water supply pipe network according to claim 1, wherein the method comprises the following steps: when the water supply pipeline with the material suitable for the geological characteristics of the area is selected to form the water supply pipe network in the step one, the geological characteristics to be considered comprise the geological structure type, the geological pH value and the geological plate stability of the area where the water supply pipe network is located.
3. The method for controlling the leakage of the water supply pipe network according to claim 1, wherein the method comprises the following steps: and the metering water meters in the water supply pipe network in the step two comprise a source water meter, a factory-entering water meter, a factory-leaving water meter and a sale water meter.
4. The method for controlling the leakage of the water supply pipe network according to claim 1, wherein the method comprises the following steps: and in the third step, during the anticorrosion reinforcing treatment, the anticorrosion is reinforced by thermally spraying PE anticorrosion coating on the fittings and the valve, wherein the thickness of the thermal spraying of the PE anticorrosion coating is 2-3 mm.
5. The method for controlling the leakage of the water supply pipe network according to claim 1, wherein the method comprises the following steps: the concrete method in the step five is as follows: and establishing a water supply pipe network data database according to the position, elevation, pipe diameter, water pressure and completion map parameter data of the pipeline in the water supply pipe network, and updating the changed parameter data in the water supply pipe network in time in the database.
6. The method for controlling the leakage of the water supply pipe network according to claim 1, wherein the method comprises the following steps: the concrete method in the seventh step is as follows: the method comprises the steps of installing pressure reducing valves at all residential side entrance ends of a water supply pipe network, carrying out differential algorithm calculation on pressure at outlets of the pressure reducing valves to obtain an optimal valve control scheme, then establishing a node pressure leakage quantity model of the residential side entrance ends, taking opening states of the pressure reducing valves in the valve control scheme as state parameters, and solving leakage quantities of the node pressure leakage quantity model.
7. The method for controlling the leakage of the water supply pipe network according to claim 1, wherein the method comprises the following steps: the concrete method in the step eight comprises the following steps: carrying out big data statistics and analysis on the water consumption of the area where the water supply pipe network is located to obtain a water consumption guide scheme of the area, and reasonably setting the water pressure of the water supply pipe network according to the total water consumption data in the guide scheme and the leakage data of the node pressure leakage model to obtain a water pressure safety value.
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| CN110925605A (en) * | 2019-12-12 | 2020-03-27 | 上海邦芯物联网科技有限公司 | Intelligent alarm system and method for leakage of underground water pipe |
| CN111832793A (en) * | 2020-01-10 | 2020-10-27 | 吉林建筑大学 | Pollution source positioning method and system based on sudden pollution event of pipe network |
| CN112926164B (en) * | 2021-02-22 | 2022-05-27 | 广东工业大学 | Multi-water-source water supply pipe network system transmission and distribution pattern optimization method |
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| CN102829331A (en) * | 2012-08-09 | 2012-12-19 | 北京中盈安信技术服务有限公司 | Efficient safety maintenance management method for oil and gas pipelines |
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