CN219433093U - Water balance analysis leakage detection device for long-distance gravity flow water conveying pipeline - Google Patents
Water balance analysis leakage detection device for long-distance gravity flow water conveying pipeline Download PDFInfo
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- CN219433093U CN219433093U CN202223044726.4U CN202223044726U CN219433093U CN 219433093 U CN219433093 U CN 219433093U CN 202223044726 U CN202223044726 U CN 202223044726U CN 219433093 U CN219433093 U CN 219433093U
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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
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Abstract
The utility model discloses a water balance analysis leakage detection device for a long-distance gravity flow water conveying pipeline. The long-distance water conveying pipeline is integrally divided into a first-stage regional pipeline and a second-stage regional pipeline, a flowmeter is arranged at the initial position of the first-stage regional pipeline, a flow regulating and regulating valve is arranged at the tail end position of the second-stage regional pipeline, the two flow regulating and regulating valves are respectively arranged at two sides of the flow regulating and regulating valve, a front-valve flowmeter and a rear-valve flowmeter are respectively arranged, and an integral pipeline intermediate node flowmeter is arranged at the boundary of the first-stage regional pipeline and the second-stage regional pipeline. The water balance analysis and leakage detection system device for the long-distance water delivery pipeline is installed along each kilometer of the pipeline. The water balance analysis and leakage detection system device for the long-distance gravity flow water conveying pipeline has high data acquisition accuracy and short leakage detection time; the leakage of the long-distance gravity flow water conveying pipeline can be subjected to data acquisition, detection and positioning.
Description
Technical Field
The utility model belongs to the technical field of pipeline on-line monitoring, and particularly relates to a water balance analysis and leakage detection device for a long-distance gravity flow water conveying pipeline.
Background
At present, leakage of long-distance gravity flow water delivery pipelines is not positioned in the market, most pipelines mainly run manually, the labor cost is high, accident places cannot be determined rapidly, and leakage pipe sections and leakage positions are difficult to determine. The core of the pipeline operation management is safety and economy, and the safe operation of the pipeline needs to be put into a large amount of manpower and material resources. Therefore, an advanced scientific means is needed to establish a pipeline water balance analysis leakage detection system, fluid leakage accidents in the pipeline are monitored in real time through an effective technical means, leakage alarms are accurately sent out and positioned quickly, so that a production unit can start corresponding emergency plans conveniently, and leakage event processing process monitoring can be achieved. To achieve the above-mentioned functions, it is first necessary to continuously monitor the change of the related data of the fluid in the pipeline by means of a technical means, and to quickly and accurately locate the leakage position by accurately and quickly identifying and extracting the leakage characteristics of the fluid in the pipeline. The method has the advantages that the leakage information can be timely obtained by carrying out efficient and accurate state detection and leakage positioning on the water conveying pipeline, the economic loss and environmental damage caused by leakage accidents are reduced, and the method has important social significance and economic value.
Disclosure of Invention
The utility model has high data acquisition accuracy, short detection leakage time and high positioning accuracy; the leakage of the long-distance water conveying pipeline can be subjected to data acquisition, detection and positioning.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the water balance analysis leakage detection device comprises a set of long-distance gravity flow water conveying pipeline, wherein the pipeline is integrally divided into a first-stage pipeline and a second-stage pipeline, a pipeline head end flowmeter is arranged on a pipeline head section area of the first-stage pipeline, a flow regulating and pressure regulating valve is arranged on a pipeline tail end area of the second-stage pipeline, a first pipeline tail end flowmeter and a second pipeline tail end flowmeter are respectively arranged on two sides of the flow regulating and pressure regulating valve, the first pipeline tail end flowmeter and the second pipeline tail end flowmeter are both arranged on the second-stage pipeline, and pipeline middle node flowmeters are arranged at the joints of the first-stage pipeline and the second-stage pipeline and are provided with pressure sensors along the pipeline every kilometer.
Further, the first-stage regional pipeline and the second-stage regional pipeline are both arranged underground, and the first-stage regional pipeline and the second-stage regional pipeline belong to long-distance gravity flow water conveying pipelines.
Further, the device can collect pressure in a pipeline, pipeline negative protection data, pipeline well liquid level data, pipeline wall thickness data, pipeline valve data, pipeline head end flow, pipeline middle node flow and pipeline tail end flow, and collect terminal phase transmission data through the Internet of things.
Further, the first standard section area pipeline and the second standard section area pipeline are respectively provided with a sensor, the sensors adopt pressure sensors, and the pressure sensors, the pipeline head end flowmeter, the pipeline middle node flowmeter, the first pipeline tail end flowmeter and the first pipeline tail end flowmeter are connected with an Internet of things acquisition terminal.
Further, the internet of things acquisition terminal includes: the wireless transmission module is used for collecting 2 paths of digital quantity data, 2 paths of analog quantity data, 1 path of 485 signals and 4 paths of switching value signals; the data output is realized through the wireless transmission module, the Internet of things acquisition terminal is connected with the server equipment, and the server equipment is used for displaying a leakage pipeline determined according to pressure data and pipeline flow information and displaying a leakage area on the leakage pipeline determined according to pipeline parameter data, pressure data and flow data.
The beneficial effects of this application are: open outfield environment simulation and visualization software platform based on two-dimensional integrated GIS, pipeline distributed pressure data acquisition, pipeline elevation and other data are combined to realize water balance analysis of long-distance water conveying pipelines; and through accurate analysis of the pressure and the flow of the pipeline, the judgment of the leakage area of the pipeline is realized. Only by combining the data detected by the established pipeline setting equipment, the occurrence place and the leakage pipe section of the pipeline leakage accident can be found in time, unnecessary energy waste is reduced, the efficiency of pipeline leakage monitoring is improved, the labor cost is saved, the time consumption for detecting the leakage is short, and the positioning precision is high; the leakage of the long-distance gravity flow water conveying pipeline can be subjected to data acquisition, detection and positioning.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 shows the normal flow (1480 m) of the pipeline of the present utility model 3 A water pressure line schematic diagram at the time of/h);
FIG. 3 shows the maximum flow rate (2200 m) 3 A water pressure line schematic diagram at the time of/h);
FIG. 4 is a schematic illustration of the water pressure line at the flow well location of the pipeline of the present utility model.
Description of the drawings: 1. a length of regional pipeline; 2. a two-stage regional pipeline; 3. a flow regulating and pressure regulating valve; 4. a pipeline head end flowmeter; 5. a pipeline intermediate node flow meter; 6. a first pipeline end flow meter; 7. a second pipeline end flow meter.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
As shown in fig. 1-4, a set of water balance analysis leakage detection device for a long-distance gravity flow water conveying pipeline is integrally divided into a first-stage pipeline 1 and a second-stage pipeline 2, a pipeline head flowmeter 4 is arranged on the first-stage pipeline 1 and is used for detecting the flow of the first-stage pipeline 1, a flow regulating valve door 3 is arranged on the second-stage pipeline 2 and is used for regulating the flow of the second-stage pipeline 2, a first pipeline end flowmeter 6 and a second pipeline end flowmeter 7 are respectively arranged on two sides of the flow regulating valve door 3, the first pipeline end flowmeter 6 positioned on one side of the flow regulating valve door 3 is arranged on the second-stage pipeline 2, the first pipeline end flowmeter 6 is used for detecting the flow of one side of the flow regulating valve door 3 in the second-stage pipeline 2, the second pipeline end flowmeter 7 positioned on the other side of the flow regulating valve door 3 is arranged on the second-stage pipeline 2, the second pipeline end flowmeter 7 is used for detecting the flow of the other side of the flow regulating valve 3 in the second-stage pipeline 2, and the first-stage pipeline end flowmeter 6 and the second-stage pipeline 2 are respectively arranged at the joint point of the first-stage pipeline 1 and the second-stage pipeline 2, and the second-stage pipeline end flowmeter 5 are respectively arranged at the middle-stage pipeline 5 and the middle-stage pipeline 2 are connected. The first-stage regional pipeline 1 and the second-stage regional pipeline 2 are both arranged underground, and the first-stage regional pipeline 1 and the second-stage regional pipeline 2 belong to long-distance gravity flow water conveying pipelines.
The pressure sensor is used for detecting the pressure value of the first-scale-section regional pipeline 1 and the second-scale-section regional pipeline 2, the number of the pressure sensors is multiple, the pressure sensor, the pipeline head end flowmeter 4, the pipeline middle node flowmeter 5, the first pipeline tail end flowmeter 6 and the first pipeline tail end flowmeter 6 are connected with an Internet of things acquisition terminal, the pressure sensor is installed every kilometer along the pipeline, and the pipeline line pressure is acquired through the Internet of things module. And the flowmeter is respectively arranged at the head end, the tail end and the middle position of the pipeline.
The thing networking acquisition terminal includes: a wireless transmission module; 2 paths of digital quantity data are acquired, 2 paths of analog quantity data are acquired, 1 path of 485 signals are acquired, and 4 paths of switching value signals are acquired; the data output is realized through the wireless transmission module, the Internet of things acquisition terminal is connected with the server equipment, and the server equipment is used for displaying a leakage pipeline determined according to pressure data and pipeline flow information and displaying a leakage area on the leakage pipeline determined according to pipeline parameter data, pressure data and flow data.
The water level line of the pipeline can be comprehensively analyzed by collecting pressure data on the pipeline and adding the elevation of the position of the corresponding point of the pressure transmitter, and the abnormal working conditions such as a water hammer, a pipe explosion and the like can be timely alarmed. When hydraulic working conditions are switched, the pressure of each node in the pipeline changes along with the change of the whole flow, such as: when the flow regulating and pressure regulating valve 3 is closed and a water hammer occurs, the pressure transmitter closest to the flow regulating and pressure regulating valve 3 has obvious data fluctuation, and when the pressure data exceeds the platform set threshold value, a water hammer alarm is sent.
Normal flow (1480 m) 3 Hydraulic calculation meter at the time of/h)
Maximum flow (2200 m) 3 Hydraulic calculation meter at the time of/h)
Judging the flow rate of the pipeline: taking the flow in the mining area as the standard flow in the pipe, monitoring the flow values of the two ends and the middle node of the whole pipeline in real time, calculating the difference value between the pipeline flows in a segmented mode, and judging the large partition where the pipeline leakage point is located at the first time. If the difference value is smaller than the accuracy range of the flowmeter, the pipeline is judged to be free of leakage, if the difference value is larger than 5% of the accuracy range of the flowmeter, the pipeline is judged to be slightly leaked, and if the difference value exceeds 15% of the accuracy range of the flowmeter, the pipeline is judged to be leaked.
And drawing a pressure map implemented online through in-line hydraulic analysis, and combining the hydraulic pressure with the pipeline elevation to form a hydraulic pressure line of the long-distance pipeline. The method comprises the steps of judging the overall pressure change position of a pipeline through water balance analysis combining regional flow and pressure, comparing the difference and abnormality of a theoretical water pressure line and an actually measured water pressure line in real time, and rapidly checking out the node with abnormal pressure through comprehensive analysis of the overall water pressure line data of the pipeline by combining big data and the technology of an artificial intelligent algorithm, so that the leakage area of the pipeline is judged, and the position judgment of pipeline leakage is realized.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (4)
1. The water balance analysis leakage detection device for the long-distance gravity flow water conveying pipeline is characterized in that the pipeline is integrally divided into a first-stage regional pipeline and a second-stage regional pipeline, a pipeline head end flowmeter is arranged on a pipeline head section region of the first-stage regional pipeline, a flow regulating and regulating valve is arranged on a pipeline tail end region of the second-stage regional pipeline, a first pipeline tail end flowmeter and a second pipeline tail end flowmeter are respectively arranged on two sides of the flow regulating and regulating valve, the first pipeline tail end flowmeter and the second pipeline tail end flowmeter are both arranged on the second-stage regional pipeline, and pipeline middle node flowmeters are arranged at joints of the first-stage regional pipeline and the second-stage regional pipeline, and a pressure sensor is arranged along the pipeline along each kilometer.
2. The water balance analysis and leak detection device for a set of long-distance gravity flow water conveying lines according to claim 1, wherein the first-stage regional pipeline and the second-stage regional pipeline are both arranged underground, and the first-stage regional pipeline and the second-stage regional pipeline belong to the long-distance gravity flow water conveying lines.
3. The water balance analysis and leak detection device for a long-distance gravity flow water conveying pipeline according to claim 1, wherein the device can collect pipeline internal pressure, pipeline negative data, pipeline well liquid level data, pipeline wall thickness data, pipeline valve data, pipeline head end flow, pipeline middle node flow and pipeline tail end flow, and collect terminal phase transmission data through the internet of things.
4. A set of long-distance gravity flow water pipeline water balance analysis leak detection devices according to claim 3, wherein using an independently developed internet of things acquisition terminal comprises: the wireless transmission module is used for collecting 2 paths of digital quantity data, 2 paths of analog quantity data, 1 path of 485 signals and 4 paths of switching value signals; the data output is realized through the wireless transmission module, the Internet of things acquisition terminal is connected with the server equipment, and the server equipment is used for displaying a leakage pipeline determined according to pressure data and pipeline flow information and displaying a leakage area on the leakage pipeline determined according to pipeline parameter data, pressure data and flow data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223044726.4U CN219433093U (en) | 2022-11-16 | 2022-11-16 | Water balance analysis leakage detection device for long-distance gravity flow water conveying pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223044726.4U CN219433093U (en) | 2022-11-16 | 2022-11-16 | Water balance analysis leakage detection device for long-distance gravity flow water conveying pipeline |
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| CN219433093U true CN219433093U (en) | 2023-07-28 |
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| CN202223044726.4U Active CN219433093U (en) | 2022-11-16 | 2022-11-16 | Water balance analysis leakage detection device for long-distance gravity flow water conveying pipeline |
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2022
- 2022-11-16 CN CN202223044726.4U patent/CN219433093U/en active Active
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