CN108445934A - A method of realizing the control of multistation real-time collaborative - Google Patents
A method of realizing the control of multistation real-time collaborative Download PDFInfo
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- CN108445934A CN108445934A CN201810126129.5A CN201810126129A CN108445934A CN 108445934 A CN108445934 A CN 108445934A CN 201810126129 A CN201810126129 A CN 201810126129A CN 108445934 A CN108445934 A CN 108445934A
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- real
- pressure
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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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
- F17D5/02—Preventing, monitoring, or locating loss
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- Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pipeline Systems (AREA)
Abstract
A method of it realizing the control of multistation real-time collaborative, includes the following steps：S1：Obtain floor data, geographic information data and pumped (conveying) medium parameter；S2：Hydraulic slope analysis is carried out to single dispatch station and pressure flow changes assistant analysis, analysis has failure and and possible reason and solution；S3：Output is as a result, calculate the engine speed for needing to adjust, valve opening, pressure, flow value, as result of calculation；S4：Result of calculation, is sent to other dispatch station Data Input Interfaces by result-sharing in real time, and each dispatch station carries out Collaborative Control in real time according to result of calculation.The method provided by the invention for realizing the control of multistation real-time collaborative, it is analyzed by data integration, realize the Collaborative Control of more dispatch stations, it can timely respond to influence caused by the variation of pressure, flow drastically caused by the various problems of pipeline, transfer efficiency, stability are effectively improved, the generation for preventing various equipment faults, stopping the problems such as conveying.
Description
Technical field
The present invention relates to pipelined technical fields, more particularly, to a kind of method of multistation real-time collaborative control.
Background technology
The remote pipelined of oil plant, water or gas, it is past after a distance due to being influenced by landform and distance
It is past to need that multiple dispatch stations are arranged, for improving discharge pressure and flow, it is ensured that complete conveying task.
The often individually control of each dispatch station of traditional carrying method, is pressed according only to when the inlet pressure in next stop, outlet
Power, inlet flow rate, rate of discharge carry out various adjustings and control, when upstream, the downstream pump station in next stop are because a variety of causes occurs
When pressure oscillation, failure, it can not be timely fed back to, when setting out in advance to make arrangements, only just come into effect tune when the pressure in next stop, changes in flow rate
Section, is adjusted system and often lags behind various change at this time, there is adjusting not in time, hypertonia caused by response lag,
The problems such as too low, stopping transportation, equipment damage.
Invention content
The technical problem to be solved by the present invention is to：Overcome the deficiencies of the prior art and provide it is a kind of can be to more dispatch stations
The method that operating mode concentrated collection, the multistation real-time collaborative analyzed, adjusted in time in real time control.
The technical solution adopted by the present invention to solve the technical problems is：There is provided it is a kind of realize multistation real-time collaborative control
Method includes the following steps：
S1：Data are obtained, the floor data, geographic information data and pumped (conveying) medium parameter of each dispatch station are obtained；
S2：It is analyzed, according to the floor data of acquisition, geographic information data and pumped (conveying) medium parameter to individually conveying
It stands and carries out hydraulic slope analysis and pressure flow changes assistant analysis, analysis is in diverse geographic location, different pumped (conveying) medium, no
Same dispatch station operating mode variation changes current and upstream and downstream dispatch station influence degree and design parameter, and there are failures for analysis
With problem and possible reason and solution；
S3：Output is tied as a result, calculating the engine speed for needing to adjust, valve opening, pressure, flow value as calculating
Fruit；
S4：Result of calculation, is sent to other dispatch station Data Input Interfaces by result-sharing in real time, each dispatch station according to
Result of calculation carries out Collaborative Control in real time.
Floor data in the step S1 include inlet and outlet pressure, flow, temperature etc., the geodata of current line with
And finally need the pressure and the flow information that export.
Geographic information data in the step S1 includes position, distance and elevation.
Pumped (conveying) medium parameter in the step S1 includes type, density, viscosity and temperature.
Each dispatch station is by optical fiber or wirelessly by signal communication to conveying total control terminal.
Hydraulic slope analysis in the step S2 uses tracing analysis method, and pipeline vertical section is drawn on rectangular co-ordinate
Figure obtains its flowing pressure, divides by determining the vertical range along pipeline between any point hydraulic grade line and vertical section line
Analyse the feed status of its pipeline.
Pressure flow variation assistant analysis is the pressure and stream by monitoring each dispatch station of upstream and downstream in the step S2
The variation of amount, analyzes anomalous variation, and extraction starts the dispatch station of variation at first, determines that pipeline has the position of leakage.
Beneficial effects of the present invention：
The method provided by the invention for realizing the control of multistation real-time collaborative, is analyzed by data integration, realizes more dispatch stations
Collaborative Control, can timely respond to influence caused by the variation of pressure, flow drastically caused by the various problems of pipeline, have
Effect improves transfer efficiency, stability, the generation for preventing various equipment faults, stopping the problems such as conveying.
Description of the drawings
What Fig. 1-embodiment 1 provided realizes the schematic diagram of the method for multistation real-time collaborative control；
1 Zhong Ge dispatch stations of Fig. 2-embodiment and the connection diagram for conveying total control terminal；
The pipeline route profile drawn in Fig. 3-embodiment 1.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments.
Embodiment 1
Referring to Fig.1, the method for realizing the control of multistation real-time collaborative that the embodiment of the present invention 1 provides, includes the following steps：
S1：Data are obtained, the floor data, geographic information data and pumped (conveying) medium parameter of each dispatch station are obtained；
S2：It is analyzed, according to the floor data of acquisition, geographic information data and pumped (conveying) medium parameter, to single defeated
See off carry out hydraulic slope analysis and pressure flow change assistant analysis, analysis diverse geographic location, different pumped (conveying) mediums,
Different dispatch station operating mode variations change current and upstream and downstream dispatch station influence degree and design parameter, and analysis has event
Barrier and problem and possible reason and solution；
S3：Output is as a result, calculate the engine speed for needing to adjust, valve opening, pressure, flow value, as calculating
As a result；
S4：Result of calculation, is sent to other dispatch station Data Input Interfaces by result-sharing in real time, each dispatch station according to
Result of calculation carries out Collaborative Control in real time.
Floor data in the step S1 include inlet and outlet pressure, flow, temperature etc., the geodata of current line with
And finally need the pressure and the flow information that export.
Geographic information data in the step S1 includes position, distance and elevation.
Pumped (conveying) medium parameter in the step S1 includes type, density, viscosity and temperature.
With reference to Fig. 2, each dispatch station is by optical fiber or wirelessly by signal communication to conveying total control terminal.
The operation principle and using method of the present embodiment：
The present embodiment obtains the floor data of each dispatch station, geographical letter in step sl, by optical fiber/wired mode
Breath data and pumped (conveying) medium parameter are transmitted to the total control terminal of conveying.
Hydraulic slope analysis, pressure flow variation assistant analysis are completed by conveying total control terminal.
Hydraulic slope analysis uses tracing analysis method, and pipeline route profile is drawn on rectangular co-ordinate and (indicates duct length
With the figure of the variation of elevation along the line).
Wherein abscissa indicates the physical length of pipeline, the i.e. mileage of pipeline, and ratio of commonly using is 1：10000 to 1：
100000；Ordinate indicates the height above sea level of pipeline, the i.e. elevation of pipeline, and ratio of commonly using is 1：500 to 1：1000.
The energy pressure head (ignoring kinetic energy pressure head) that the hydraulic grade line of pipeline refers to tube fluid is bent along the variation of duct length
Line.By determining the vertical range along pipeline between any point hydraulic grade line and vertical section line, obtains its flowing pressure, divide
Analyse the feed status of its pipeline.
With reference to Fig. 3, the present embodiment is by taking the hydraulic grade line (straight line that slope is i in figure) of Isothermal Oil Pipeline as an example, pipe
Road vertical section variation line is the broken line of lower section.
As shown in figure 3, from pipeline route profile：
The Outlet pressure Hd=df of dispatch station；
Friction loss cb=ix in x sections；
X sections of height difference ag=Za-Zd=△ Zx；
Remaining pressure energy (i.e. flowing pressure) ba=H of a point liquid streamsd-ix-△Zx。
In e points, flowing pressure 0, needing to pressurize again could continue to be fed forward.I.e. by calculating, when waterpower slope
It drops line and changes line hereinafter, then pipeline transmission can not be completed to convey there are problem in vertical section；When hydraulic grade line and vertical section
When variation line is close, just the pressure of each dispatch station must be adjusted in advance, and possible reason is analyzed.
Flowing pressure is analyzed by step S3, calculates the engine speed needed for current dispatch station, valve is opened
Degree, pressure and flow value, and its result of calculation is sent to other dispatch station Data Input Interfaces in real time, each dispatch station according to
Result of calculation carries out Collaborative Control in real time, adjusts engine speed, valve opening, pressure and the flow value of current dispatch station, with
Increase hydraulic grade line, it is ensured that pumped (conveying) medium can continue to be fed forward.
Flow pressure assistant analysis method whether there is leakage problem, under normal circumstances, the pressure in pipeline for detecting pipeline
Power variation is continuous, and flow is with change in pressure, when pipeline is there are when leakage problem, each dispatch station of upstream and downstream
Anomalous variation will occur in pressure, and exception will also occur in the variation of flow, by monitoring the pressure and flow of each oil transportation station, according to
Anomalous variation carries out comprehensive analysis, and extraction starts the dispatch station of variation, then can determine that the upstream line of the dispatch station is deposited at first
It is leaking.
Claims (8)
1. a kind of method for realizing the control of multistation real-time collaborative, which is characterized in that include the following steps：
S1：Data are obtained, the floor data, geographic information data and pumped (conveying) medium parameter of each dispatch station are obtained；
S2：Analyzed, according to the floor data of acquisition, geographic information data and pumped (conveying) medium parameter to single dispatch station into
Row hydraulic slope is analyzed and pressure flow changes assistant analysis, and analysis is in diverse geographic location, different pumped (conveying) mediums, different
Dispatch station operating mode variation changes current and upstream and downstream dispatch station influence degree and design parameter, and analysis is there are failure and asks
Topic and possible reason and solution；
S3：Output is as a result, calculate the engine speed for needing to adjust, valve opening, pressure, flow value, as result of calculation；
S4：Result of calculation is sent to other dispatch station Data Input Interfaces by result-sharing in real time, and each dispatch station is according to calculating
Collaborative Control is carried out when fructufy.
2. the method for realizing the control of multistation real-time collaborative as described in claim 1, which is characterized in that the operating mode in the step S1
Data include inlet and outlet pressure, flow, temperature etc., the geodata of current line and finally need pressure and the flow exported
Information.
3. the method for realizing the control of multistation real-time collaborative as described in claim 1, which is characterized in that the geography in the step S1
Information data includes position, distance and elevation.
4. the method for realizing the control of multistation real-time collaborative as described in claim 1, which is characterized in that the conveying in the step S1
Medium parameter includes type, density, viscosity and temperature.
5. the method for realizing the control of multistation real-time collaborative as described in claim 1 ~ 4 any one, which is characterized in that the step
Hydraulic slope analysis in S2 uses tracing analysis method, pipeline route profile is drawn on rectangular co-ordinate, by determining pipeline edge
Vertical range between line any point hydraulic grade line and vertical section line obtains its flowing pressure, analyzes the conveying shape of its pipeline
State.
6. the method for realizing the control of multistation real-time collaborative as described in claim 1 ~ 4 any one 4, which is characterized in that the step
Pressure flow variation assistant analysis is the variation of pressure and flow by monitoring each dispatch station of upstream and downstream in rapid S2, to exception
Variation is analyzed, and extraction starts the dispatch station of variation at first, determines that pipeline has the position of leakage.
7. the method for realizing the control of multistation real-time collaborative as claimed in claim 5, which is characterized in that pressure current in the step S2
Amount variation assistant analysis is the variation of pressure and flow by monitoring each dispatch station of upstream and downstream, is divided anomalous variation
Analysis, extraction start the dispatch station of variation at first, determine that pipeline has the position of leakage.
8. the method for realizing the control of multistation real-time collaborative as claimed in claim 7, which is characterized in that each dispatch station passes through light
It is fine or wirelessly by signal communication to conveying total control terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810126129.5A CN108445934B (en) | 2018-02-08 | 2018-02-08 | Method for realizing multi-station real-time cooperative control |
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| CN201810126129.5A CN108445934B (en) | 2018-02-08 | 2018-02-08 | Method for realizing multi-station real-time cooperative control |
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| CN108445934A true CN108445934A (en) | 2018-08-24 |
| CN108445934B CN108445934B (en) | 2020-04-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551153A (en) * | 2020-04-23 | 2021-10-26 | 中国石油天然气股份有限公司 | Method, device, equipment and medium for determining control parameters of pipeline oil transportation equipment |
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| CN106840363A (en) * | 2017-03-22 | 2017-06-13 | 南阳理工学院 | The defeated buried pipeline load identification of one kind length and safety monitoring system |
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| RU2445594C1 (en) * | 2010-09-03 | 2012-03-20 | Открытое акционерное общество "Газпром" | Method of diagnosing main pipelines and device for realising said method |
| CN104265652A (en) * | 2014-07-25 | 2015-01-07 | 扬州大学 | Collaborative optimization design method for large-flow low-lift pump station |
| CN104355367A (en) * | 2014-11-14 | 2015-02-18 | 中国地质大学（武汉） | Reverse osmosis water treatment system capable of intelligently regulating temperature, pressure and ultrasonic wave |
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| CN108445934B (en) | 2020-04-28 |
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