CN113669629A - Pipeline operation monitoring system and complex pipeline flow measurement method - Google Patents
Pipeline operation monitoring system and complex pipeline flow measurement method Download PDFInfo
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- CN113669629A CN113669629A CN202111012067.3A CN202111012067A CN113669629A CN 113669629 A CN113669629 A CN 113669629A CN 202111012067 A CN202111012067 A CN 202111012067A CN 113669629 A CN113669629 A CN 113669629A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 238000000691 measurement method Methods 0.000 title abstract description 3
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000004364 calculation method Methods 0.000 claims description 31
- 238000012545 processing Methods 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 15
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 238000013475 authorization Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 235000011837 pasties Nutrition 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/088—Pipe-line systems for liquids or viscous products for solids or suspensions of solids in liquids, e.g. slurries
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a pipeline operation monitoring system and a complex pipeline flow measurement method, wherein the pipeline operation monitoring system comprises a measuring device, the measuring device is sequentially connected with a data acquisition and transmission terminal, a data transmission receiving and transmitting unit and a background server, and the background server is respectively connected with a cloud management service platform and a remote host; the measuring data are obtained through the measuring device, the data acquisition and transmission terminal reads the data and transmits the data to the background server through the data transmission receiving and sending unit, the background server calculates the flow, compares the data with the set alarm condition, judges whether the data are normal or not, and transmits the result to the remote host. The invention can measure the pressure, temperature and flow data of the pipeline in real time during the operation process and monitor the operation state of the pipeline.
Description
Technical Field
The invention belongs to the technical field of pipeline monitoring, relates to a pipeline operation monitoring system and further relates to a complex pipeline flow measuring method.
Background
The underground filling operation is an important component in the underground part construction of the mining industry, and is the construction operation of filling solid-liquid pasty fluid into the underground. The paste fluid belongs to solid-liquid flows, generally has a large amount of metal components, and is easy to harden. The fluid is easy to cause pipeline blockage, and the construction pipeline is arranged under a construction operation well, so that the pipeline arrangement environment is complex, and the site is relatively severe, and the remote detection of physical parameters such as pressure, flow and the like in the pipeline is particularly important. At present, the conventional domestic pressure measuring equipment and flow measuring equipment do not have the condition of normal use in the complex environment. The real-time process data monitoring of the complex working condition belongs to a blank in the industry.
Disclosure of Invention
The invention aims to provide a pipeline operation monitoring system which can measure pressure, temperature and flow data of a pipeline in the operation process in real time and monitor the operation state of the pipeline.
It is another object of the present invention to provide a method of measuring complex line flows.
The technical scheme adopted by the invention is that the pipeline operation monitoring system comprises a measuring device, wherein the measuring device is sequentially connected with a data acquisition and transmission terminal, a data transmission receiving and transmitting unit and a background server, and the background server is respectively connected with a cloud management service platform and a remote host;
the measuring device is arranged on the pipeline and used for measuring pressure and temperature data of the pipeline in real time;
the data acquisition and transmission terminal is used for reading pressure and temperature data measured by the measuring device;
the data transmission receiving and transmitting unit is used for transmitting the data read by the data acquisition transmission terminal to the background server;
the background server is used for operating the service assembly, recording, transferring and transmitting the received pressure and temperature data, calculating flow, monitoring the received pressure and temperature data and the calculated flow data, and pushing alarm information to the remote host if abnormity occurs;
the cloud management service platform is used for upgrading and maintaining upper computer software and service components;
the remote host computer runs the upper computer software, observes pressure, temperature, flow data change in real time to monitor the pipeline running condition, obtains the alarm information of backstage server propelling movement and shows the alarm, and controls and manages personnel and equipment according to the authority that sets for, accomplishes human-computer interaction.
The present invention is also characterized in that,
the measuring device comprises a plurality of groups of temperature measuring devices and a plurality of groups of pressure measuring devices, wherein the temperature measuring devices and the pressure measuring devices are arranged on the wall surface of the upper wall of the pipeline and are arranged along the length direction of the pipeline, and each group of temperature measuring devices and each group of pressure measuring devices are 2 and are respectively arranged at two ends of a bent or complex pipeline section of the pipeline.
The distance between two adjacent temperature measuring devices and two adjacent pressure measuring devices is not less than 50 m.
The service assembly comprises a database, a data calculation processing module, an alarm service assembly and a message rule engine;
the message rule engine is used for transmitting the received pressure and temperature data to the data calculation processing module according to the rule engine;
the data calculation processing module is used for reading the received pressure and temperature data and calculating the flow;
the database is used for recording and storing the received pressure, temperature data and flow data, setting an alarm condition and serving as a judgment basis for judging whether the data are normal or not;
the alarm service component is used for setting alarm monitoring conditions according to data information recorded by the database, judging whether the received pressure and temperature data and the calculated flow data are normal or not, and if the received pressure and temperature data and the calculated flow data are abnormal, pushing alarm information to upper computer software of the remote host.
The expression for the flow calculation is:
in the formula (1), qmIs the mass flow rate; Δ p is the pressure difference; epsilon is an expansion coefficient and is a dimensionless constant; c is an outflow coefficient and is a dimensionless constant; d is the inner diameter of the pipeline; ρ is the fluid density; beta is the pipe diameter ratio and is a dimensionless constant;
the expression for the inside diameter of the pipe is:
d＝d20[1+αd(t-20)] (2)
in the formula (2), d20Is the inner diameter of the pipe at 20 ℃, alphadIs the coefficient of expansion at 20 ℃; t is the temperature;
the differential pressure expression is:
Δp＝p1-p2 (3)
in the formula (3), p1Measured pressure, p, for the preceding stage2And the measured pressure of the later stage.
The invention adopts another technical scheme that a method for measuring the flow of a complex pipeline is implemented according to the following steps:
and 3, the upper computer software operated by the remote host computer observes the changes of the temperature, pressure and flow data in real time, and controls and manages personnel and equipment according to the set authority according to the monitored data.
The method also comprises the process of upgrading and maintaining, which specifically comprises the following steps: when the service assembly and the upper computer software operated by the remote host need to be upgraded, the cloud management service platform obtains the authorization of a user through the upper computer software, and then the background server carries out maintenance operation on the service assembly and the upper computer software operated by the remote host.
In step 2, the flow calculation expression is:
in the formula (1), qmIs the mass flow rate; Δ p is the pressure difference; epsilon is an expansion coefficient and is a dimensionless constant; c is an outflow coefficient and is a dimensionless constant; d is the inner diameter of the pipeline; ρ is the fluid density; beta is the pipe diameter ratio and is a dimensionless constant;
the expression for the inside diameter of the pipe is:
d＝d20[1+αd(t-20)] (2)
in the formula (2), d20Is the inner diameter of the pipe at 20 ℃, alphadIs the coefficient of expansion at 20 ℃; t is the temperature;
the differential pressure expression is:
Δp＝p1-p2 (3)
in the formula (3), p1Measured pressure, p, for the preceding stage2And the measured pressure of the later stage.
The pipeline operation monitoring system has the advantages that a small amount of devices which are easy to maintain and low in investment cost can be used for achieving flow calculation, monitoring the operation condition of the pipeline in real time, judging and feeding back abnormal conditions in time, monitoring is conducted in a remote mode, working pressure of workers in a dangerous environment is reduced, the system is stable and reliable in information transmission mode, measuring results meet practical application requirements, and the system is easy to achieve and convenient to maintain.
Drawings
Fig. 1 is a schematic structural diagram of a pipeline operation monitoring system according to the present invention.
In the figure, the system comprises a measuring device 1, a data acquisition and transmission terminal 2, a data transmission and receiving unit 3, a background server 4, a cloud management service platform 5, a database 6, a data calculation and processing module 7, an alarm service component 8, a message rule engine 9 and a remote host 10.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention discloses a pipeline operation monitoring system, which is structurally shown in figure 1 and comprises a measuring device 1, wherein the measuring device 1 is sequentially connected with a data acquisition and transmission terminal 2, a data transmission transceiving unit 3 and a background server 4, and the background server 4 is respectively connected with a cloud management service platform 5 and a remote host 10;
the measuring device 1 is arranged on the pipeline and used for measuring pressure and temperature data of the pipeline in real time;
wherein, measuring device includes a plurality of temperature measuring device of group and a plurality of pressure measuring device of group, a plurality of groups temperature measuring device and pressure measuring device all set up on pipeline upper wall and along the long to setting of pipeline, and every temperature measuring device of group and every pressure measuring device of group are 2 and set up respectively in the both ends of pipeline turn-by-turn or complicated pipeline section, and the distance between two adjacent temperature measuring device and two adjacent pressure measuring device is all not less than 50 m.
The data acquisition and transmission terminal 2 is used for reading pressure and temperature data measured by the measuring device 1;
the data transmission transceiving unit 3 is used for transmitting the data read by the data acquisition transmission terminal 2 to the background server 4;
the background server 4 is used for operating the service assembly, corresponding the received pressure and temperature data to the arrangement relation of the actual pressure measuring device and the temperature measuring device according to the position number of the data acquisition and transmission terminal 2, recording, transferring and transmitting the received pressure and temperature data, calculating the flow, monitoring the received pressure and temperature data and the calculated flow data, and pushing alarm information to the remote host if the received pressure and temperature data are abnormal;
the service components comprise a database 6, a data calculation processing module 7, an alarm service component 8 and a message rule engine 9;
the message rule engine 9 is used for recording the received pressure and temperature data according to the rule engine and transmitting the data to the data calculation processing module 7, and a message queue RabbitMQ is adopted;
the data calculation processing module 7 is used for reading the received pressure and temperature data, carrying out flow calculation and adopting nodejs service;
the database 6 is used for recording and storing the received pressure, temperature data and flow data, setting an alarm condition as a judgment basis for judging whether the data is normal or not, and the database 6 adopts MySQL;
the alarm service component 8 is used for setting alarm monitoring conditions according to data information recorded by the database 6, judging whether received pressure and temperature data and calculated flow data are normal or not, and if the received pressure and temperature data and the calculated flow data are abnormal, pushing alarm information to upper computer software of the remote host 10; the alarm service component 8 is constructed for nodejs;
the expression for the flow calculation is:
in the formula (1), qmIs the mass flow rate; Δ p is the pressure difference; epsilon is an expansion coefficient and is a dimensionless constant; c is an outflow coefficient and is a dimensionless constant; d is the inner diameter of the pipeline; ρ is the fluid density; beta is the pipe diameter ratio and is a dimensionless constant;
the expression for the inside diameter of the pipe is:
d＝d20[1+αd(t-20)] (2)
in the formula (2), d20Is the inner diameter of the pipe at 20 ℃, alphadIs the coefficient of expansion at 20 ℃; t is the temperature;
the differential pressure expression is:
Δp＝p1-p2 (3)
in the formula (3), p1Measured pressure, p, for the preceding stage2The measured pressure of the later stage is obtained;
the spacing distance, the fluid density, the expansion coefficient and the outflow coefficient of the multiple groups of pressure measuring devices are known parameters;
because the fluid in the pipeline is solid-liquid two-phase pasty fluid, the potential energy of the medium is large, each group of pressure measuring device and temperature measuring device is arranged at the bent part of the pipeline or in front of or behind the complex pipe section, the extra pressure loss caused by overflowing is equivalent to a special throttling structure, and the pressure difference is generated between the pipelines by the inertia principle;
after all parts of the pipeline are installed, a plurality of groups of standard media with uniform flow velocity are passed through the pipeline, a proportional relation factor between mass flow and pressure difference can be obtained through a calculation formula (1), and the proportional relation factor is used for calculating the mass flow of the pipeline in normal use;
the cloud management service platform 5 is used for upgrading and maintaining upper computer software and service components;
the remote host 10 runs the upper computer software, observes the pressure, temperature and flow data changes in real time to monitor the pipeline running condition, acquires the alarm information pushed by the background server 4, displays the alarm, controls and manages personnel and equipment according to the set authority, and completes human-computer interaction.
The invention provides a method for measuring the flow of a complex pipeline, which is implemented by adopting the monitoring system according to the following steps:
the expression for the flow calculation is:
in the formula (1), qmIs the mass flow rate; Δ p is the pressure difference; epsilon is an expansion coefficient and is a dimensionless constant; c is an outflow coefficient and is a dimensionless constant; d is in the pipelineDiameter; ρ is the fluid density; beta is the pipe diameter ratio and is a dimensionless constant;
the expression for the inside diameter of the pipe is:
d＝d20[1+αd(t-20)] (2)
in the formula (2), d20Is the inner diameter of the pipe at 20 ℃, alphadIs the coefficient of expansion at 20 ℃; t is the temperature;
the differential pressure expression is:
Δp＝p1-p2 (3)
in the formula (3), p1Measured pressure, p, for the preceding stage2The measured pressure of the later stage is obtained;
the spacing distance, the fluid density, the expansion coefficient and the outflow coefficient of the multiple groups of pressure measuring devices are known parameters;
because the fluid in the pipeline is solid-liquid two-phase pasty fluid, the potential energy of the medium is large, each group of pressure measuring device and temperature measuring device is arranged at the bent part of the pipeline or in front of or behind the complex pipe section, the extra pressure loss caused by overflowing is equivalent to a special throttling structure, and the pressure difference is generated between the pipelines by the inertia principle;
after all parts of the pipeline are installed, a plurality of groups of standard media with uniform flow velocity are passed through the pipeline, a proportional relation factor between mass flow and pressure difference can be obtained through a calculation formula (1), and the proportional relation factor is used for calculating the mass flow of the pipeline in normal use;
when the service component and the upper computer software operated by the remote host 10 need to be upgraded, the cloud management service platform 5 obtains the authorization of a user through the upper computer software, and then performs maintenance operation on the database 6, the data calculation processing module 7, the alarm service component 8, the message rule engine 9 and the upper computer software operated by the remote host 10 through the background server 4;
and 3, the upper computer software operated by the remote host 10 observes the changes of the temperature, pressure and flow data in real time, and controls and manages personnel and equipment according to the set authority according to the monitored data.
Claims (8)
1. The pipeline operation monitoring system is characterized by comprising a measuring device (1), wherein the measuring device (1) is sequentially connected with a data acquisition and transmission terminal (2), a data transmission receiving and transmitting unit (3) and a background server (4), and the background server (4) is respectively connected with a cloud management service platform (5) and a remote host (10);
the measuring device (1) is arranged on the pipeline and used for measuring pressure and temperature data of the pipeline in real time;
the data acquisition and transmission terminal (2) is used for reading pressure and temperature data measured by the measuring device (1);
the data transmission transceiving unit (3) is used for transmitting the data read by the data acquisition transmission terminal (2) to the background server (4);
the background server (4) is used for operating the service assembly, recording, transferring and transmitting the received pressure and temperature data, calculating flow, monitoring the received pressure and temperature data and the calculated flow data, and pushing alarm information to the remote host if abnormity occurs;
the cloud management service platform (5) is used for upgrading and maintaining upper computer software and service components;
the remote host (10) runs upper computer software, and observes pressure, temperature and flow data changes in real time so as to monitor the pipeline running condition, acquire alarm information pushed by the background server (4), display an alarm, control and manage personnel and equipment according to set authority, and complete man-machine interaction.
2. The pipeline operation monitoring system according to claim 1, wherein the measuring device comprises a plurality of sets of temperature measuring devices (1-1) and a plurality of sets of pressure measuring devices (1-2), the plurality of sets of temperature measuring devices (1-1) and pressure measuring devices (1-2) are arranged on the wall surface of the upper wall of the pipeline and are arranged along the length direction of the pipeline, and each set of temperature measuring devices (1-1) and each set of pressure measuring devices (1-2) are 2 and are respectively arranged at two ends of an over-bent or complex pipeline section of the pipeline.
3. The pipeline operation monitoring system according to claim 2, wherein the distance between two adjacent temperature measuring devices (1-1) and two adjacent pressure measuring devices (1-2) is not less than 50 m.
4. A pipeline operation monitoring system according to claim 1, wherein the service components comprise a database (6), a data calculation processing module (7), an alarm service component (8), a message rule engine (9);
the message rule engine (9) is used for transmitting the received pressure and temperature data to the data calculation processing module (7) according to the rule engine;
the data calculation processing module (7) is used for reading the received pressure and temperature data and calculating the flow;
the database (6) is used for recording and storing the received pressure, temperature data and flow data and setting alarm conditions as a judgment basis for judging whether the data are normal or not;
the alarm service component (8) is used for setting alarm monitoring conditions according to data information recorded by the database (6), judging whether received pressure and temperature data and calculated flow data are normal or not, and if the received pressure and temperature data and the calculated flow data are abnormal, pushing alarm information to upper computer software of the remote host (10).
5. The system of claim 1, wherein the flow calculation is expressed as:
in the formula (1), qmIs the mass flow rate; Δ p is the pressure difference; epsilon is an expansion coefficient and is a dimensionless constant; c is an outflow coefficient and is a dimensionless constant; d is the inner diameter of the pipeline; ρ is the fluid density; beta is the pipe diameter ratio and is a dimensionless constant;
the expression for the inside diameter of the pipe is:
d＝d20[1+αd(t-20)] (2)
in the formula (2), d20Is the inner diameter of the pipe at 20 ℃, alphadIs an expansion system at 20 DEG CCounting; t is the temperature;
the differential pressure expression is:
Δp＝p1-p2 (3)
in the formula (3), p1Measured pressure, p, for the preceding stage2And the measured pressure of the later stage.
6. A method for measuring a complex pipeline flow, which is implemented by using the pipeline operation monitoring system according to any one of claims 1 to 5, and comprises the following steps:
step 1, a temperature measuring device and a pressure measuring device measure pressure and temperature data on a pipeline in real time, and a data acquisition transmission terminal (2) reads the measured pressure and temperature data and transmits the data to a background server (4) through a data transmission transceiving unit (3);
step 2, the background server (4) transmits the received actually-measured pressure and temperature data to the data calculation processing module (7) according to the message rule engine (9), the data calculation processing module (7) receives the pressure and temperature data and performs flow calculation, the background server (4) judges whether the monitored actually-measured pressure and temperature data and the calculated flow data are normal or not according to the alarm condition set in the database (6), if the monitored actually-measured pressure and temperature data and the calculated flow data are abnormal, the alarm service component (8) pushes alarm information to upper computer software operated by the remote host (10), and if the monitored actually-measured pressure and temperature data and the calculated flow data are normal, the upper computer software operated by the remote host (10) of the background server (4) feeds back the actually-measured data;
and 3, the upper computer software operated by the remote host (10) observes the changes of the temperature, pressure and flow data in real time, and controls and manages personnel and equipment according to the set authority according to the monitored data.
7. The method for measuring the flow of the complex pipeline according to claim 6, further comprising a process of upgrading and maintaining, specifically: when the service assembly and the upper computer software operated by the remote host (10) need to be upgraded, the cloud management service platform (5) obtains the authorization of a user through the upper computer software, and then the background server (4) carries out maintenance operation on the database (6), the data calculation processing module (7), the alarm service assembly (8), the message rule engine (9) and the upper computer software operated by the remote host (10).
8. The method for measuring the flow rate of the complex pipeline according to claim 6, wherein in the step 2, the flow rate calculation is expressed as:
in the formula (1), qmIs the mass flow rate; Δ p is the pressure difference; epsilon is an expansion coefficient and is a dimensionless constant; c is an outflow coefficient and is a dimensionless constant; d is the inner diameter of the pipeline; ρ is the fluid density; beta is the pipe diameter ratio and is a dimensionless constant;
the expression for the inside diameter of the pipe is:
d＝d20[1+αd(t-20)] (2)
in the formula (2), d20Is the inner diameter of the pipe at 20 ℃, alphadIs the coefficient of expansion at 20 ℃; t is the temperature;
the differential pressure expression is:
Δp＝p1-p2 (3)
in the formula (3), p1Measured pressure, p, for the preceding stage2And the measured pressure of the later stage.
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Cited By (1)
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| CN114183203A (en) * | 2021-12-22 | 2022-03-15 | 韶关市均能石化股份有限公司 | Cloud-based underground intelligent oil pipeline arrangement method and system for mine |
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Application publication date: 20211119 |