CN106368959B - Full adjusting axial-flow pump water delivery pumping plant power-economizing method based on Computer Control Technology - Google Patents
Full adjusting axial-flow pump water delivery pumping plant power-economizing method based on Computer Control Technology Download PDFInfo
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- CN106368959B CN106368959B CN201510444035.9A CN201510444035A CN106368959B CN 106368959 B CN106368959 B CN 106368959B CN 201510444035 A CN201510444035 A CN 201510444035A CN 106368959 B CN106368959 B CN 106368959B
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Abstract
The invention discloses a kind of full adjusting axial-flow pump water delivery pumping plant power-economizing method based on Computer Control Technology.Power consumption under all operating statuses of pumping plant is measured storage by this method by testing.When the flow or lift required by pumping plant will complete a certain appointed task, automatic comparison can complete all schemes of the task, and optimal operation scheme is selected, the parameter such as the forward and backward pool water level of computer automatic adjustment pumping plant, blade angle, start number of units, is allowed to operate under preferred plan.Pumping plant is set to operate in the state for completing most to economize on electricity on the premise of a certain task all the time, so as to achieve the purpose that economize on electricity.
Description
Technical field
The invention belongs to Computer Control Technology field, relates in particular to a kind of full tune based on Computer Control Technology
Save axial-flow pump water delivery pumping plant power-economizing method.
Background technology
The economize on electricity of pumping plant has not been a new problem, has especially had become today of national strategy in energy-saving and emission-reduction
Through increasingly attracting people's attention.Large-scale full adjustment axis flow pump machine group pumping plant power consumption is big, controlled variable is more.This just does section to us
It can run and provide necessity and possibility.But a kind of preferable method is there is no at present to ensure that pumping plant can most economize on electricity
In the case of run.Extensive use of the Computer Control Technology in pumping station operation, for we optimal energy-saving scheme selecting party
Wide platform is provided in method.
So-called optimal energy-saving scheme, that is, pumping plant make power consumption minimum on the premise of water delivery task is completed.Fig. 1 institutes
18CJ-63 type characteristic curve of pump is shown as, is made by model experiment.
Abscissa is flow Q, and ordinate is lift H, -8 in figure0To+80For axial flow pump blade inner angle, corresponding nine songs
Line is to wait blade angle line, and another group is equipower line.Most significant one group of egg type curve is isoefficiency curve.Most the inside is once enclosing
It is the attainable peak efficiency of water pump, i.e. most high efficient district.In general it is desirable that water pump operation is in high efficient district, and think this
When it is most energy saving, actually but not necessarily.Lift is artificially improved because of simple pursue efficiently, pump power will be increased.Very
It is possible to increase total power consumption on the contrary.That just sees that what the purpose of our water delivery is, is flow or lift or flow
Lift requires.In fact, reach same water delivery purpose (scheduling make) and the electric energy of consumption is minimum, be only we select it is energy saving
Scheme is most reliable, most direct and final standard.
So for unit, it includes water pump and dragging motor, and unit is regarded as an entirety by we, to reach same
The power consumption of the unit of sample water delivery purpose is the measurement index of unit optimum selection energy-saving scheme.For multicomputer pumping plant then entirely to pump
Stand and complete the measurement index that the power consumption of same task selects energy-saving scheme for pumping plant.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of full adjusting based on Computer Control Technology
Axial-flow pump water delivery pumping plant power-economizing method.Power consumption under all operating statuses of pumping plant is measured and deposited by this method by experiment
Storage.When pumping plant will complete a certain appointed task (flow, lift), automatic comparison can complete all schemes of the task, and select
Select optimal operation scheme.The parameters such as the forward and backward pool water level of computer automatic adjustment pumping plant, blade angle, start number of units, are allowed to run
Under preferred plan.Pumping plant is set to operate in the state for completing most to economize on electricity on the premise of a certain task all the time, so as to reach economize on electricity
Purpose.
The present invention is realized using following technical scheme：
A kind of full adjusting axial-flow pump water delivery pumping plant power-economizing method based on Computer Control Technology：
The forebay of pumping plant can operating water level, after-bay can operating water level, every unit blade angle equidistant segmentation respectively
Into multiple operating points, these operating points are combined with reference to the start number of units of unit, each combination is a kind of method of operation,
Record the input power of pumping plant, flow and lift data under all methods of operation and each method of operation；
The power of the various methods of operation under same flow is compared, determines the operation side of power minimum under same flow
Formula；The power of the various methods of operation under same lift is compared, determines the method for operation of power minimum under same lift；
Flow or lift of the computer according to required by traffic order are in recorded all methods of operation and often
Found in respective input power, flow and lift data corresponding to a method of operation and control flow or lift with mission requirements
Immediate flow value or lift value, then computer automatically select the operation side of power minimum under this flow or lift
Formula, and automatically adjust Forebay of Pumping Station water level, rear pool water level, blade angle, the start parameter such as number of units, make pumping station operation in power most
Under the small method of operation.
A kind of full adjusting axial-flow pump water delivery pumping plant power-economizing method based on Computer Control Technology of the present invention has
Beneficial effect is：When pumping plant, which is connected to traffic order, to complete a certain task, this method enable pumping plant operate in complete this task
All schemes under a kind of scheme for most economizing on electricity.So as to save electric energy.
Brief description of the drawings
Fig. 1 is 18CJ-63 type characteristic curve of pump schematic diagrames.
Embodiment
Technical scheme is further illustrated with reference to specific embodiment.
One pumping plant for being equipped with three units：It is 11 operating point [m that the water level of the frontal pool is divided from -1.78m~0.78m1、
m2、m3...m11], every mono- point of 10cm；It is 8 operating point [n that rear pool water level is divided from 2.2m~2.9m1、n2、n3...n8],
Every mono- point of 10cm；By the blade angle of First unit from+80~-80It is divided into 17 operating point [a1、a2、a3...a17],
Every 10One operating point；By the blade angle of second unit from+80~-80It is divided into 17 operating point [b1、b2、b3...b17],
Every 10One operating point；By the blade angle of the 3rd unit from+80~-80It is divided into 17 operating point [c1、c2、c3...c17],
Every 10One operating point.
Any one unit start operation (First unit is opened in this implementation) in three units is controlled first, by this
Each operating point of the blade angle of platform unit, each operating point of the water level of the frontal pool, rear pool water level each operating point respectively into
Row combination, i.e. [ai、mx、ny], wherein i=1,2,3 ... 17, x=1,2,3 ... 11, y=1,2,3 ... 8；AltogetherKind combination, each combination correspond to the different methods of operation respectively, we are pumping plant under each combination
Input power, flow and lift are measured and recorded；Then any two units start operation is controlled (to be opened in this implementation
Open First unit and second unit), each operating point of the blade angle of First start operating unit, second are opened
Each operating point of the blade angle of machine operating unit, each operating point of the water level of the frontal pool, each operating point point of rear pool water level
It is not combined, i.e. [ai、bq、mx、ny], wherein i=1,2,3 ... 17, q=1,2,3 ... 17, x=1,2,3 ... 11, y=1,2,
3…8；AltogetherKind combination, equally measures and records the input power of pumping plant under each combination, stream
Amount and lift；Three unit start operations are subsequently controlled, by each operation of the blade angle of First start operating unit
Point, second start operating unit blade angle each operating point, the 3rd start operating unit blade angle it is each
A operating point, each operating point of the water level of the frontal pool, each operating point of rear pool water level are respectively combined, i.e. [ai、bq、cp、mx、
ny], wherein i=1,2,3 ... 17, q=1,2,3 ... 17, p=1,2,3 ... 17, x=1,2,3 ... 11, y=1,2,3 ... 8；Altogether Kind combination, and equally measure and record each input power for combining lower pumping plant, flow
And lift.
Amounting to above has
Kind combination, each combination correspond to the different methods of operation respectively, by all of above method of operation and each operation side
Respective input power, flow and lift corresponding to formula all recorded in computer；It can be measured in all these methods of operation
Identical flow value (flow accuracy keeps certain), that is, the same flow value measured can correspond to a variety of methods of operation, computer
It is compared for the power of the various methods of operation under same flow, finds the method for operation of power minimum under same flow,
The method of operation of power minimum is the unit operation scheme of maximum energy-saving under so same flow.Similarly, all these operations
Identical lift value (lift precision keeps certain) can be measured in mode, that is, the same lift value measured can correspond to a variety of operations
Mode, the power for the various methods of operation that computer is directed under same lift are compared, and it is minimum to find power under same lift
The method of operation, then the method for operation of power minimum is the unit operation scheme of maximum energy-saving under same lift.
When pumping plant will complete corresponding water transfer task, if mission requirements controls flow, computer is recorded
Found in respective input power, flow and lift data corresponding to all methods of operation and each method of operation and task
It is required that the control immediate flow value of flow, the method for operation that then computer finds its power minimum for this flow are
The unit operation scheme of maximum energy-saving；If mission requirements control lift, computer recorded all methods of operation with
And each found in the respective input power corresponding to the method for operation, flow and lift data and control lift most with mission requirements
Close stream lift value, then computer for this lift find its power minimum the method for operation be maximum energy-saving machine
Group operating scheme.
After computer finds the unit operation scheme of maximum energy-saving, forward and backward pool water level and Ye Jiao, start number of units are adjusted, is made
Reach best operating point.
Full adjusting axial-flow pump water delivery pumping plant power-economizing method according to the present invention based on Computer Control Technology, it is desirable to count
Calculation machine allows for collecting the data such as forward and backward pool water level, blade angle, operation power, by blade angle, forward and backward pool water level,
Power is run, number of units of starting shooting and platform number have been input into computer by transmitter, if we lead to the parameters such as flow (or lift)
Cross pick-up device and be also input into computer, then compile an experimental arrangement, it is possible to each operation above-mentioned is completed with computer
The experimental data of point.Because manually carrying out the experiment of such multiple spot, then longer time and more manpower are needed, and calculated
Machine then can be according to operation number of units that it is collected at the same time, blade angle, forward and backward pool water level, flow, power as one group of data
Store, recycle station front brake to adjust the water level of the frontal pool rapidly, pool water level is (because forward and backward after adjusting the rapid change of after-bay gate
Tankage very little), then the adjusting with hinge angle can obtain another group of data quickly.And large and small flow is alternately tested, so that always
Water amount is basic and upstream carrying capacity is equal within a period of time.It can be sentenced in an experiment according to the water level of channel before the front brake of station
Disconnected, the higher experiment for then carrying out big flow of water level, water level is relatively low, carries out the experiment of small flow.Thus can be within a short period of time
Complete the experiment of such multiple spot, obtain pumping plant all may operating point data.Certainly, be so frequently changed operating parameter and
Flow is a test to the equipment and facility of pumping plant, but is to allow during non-emergent water delivery task and non-water delivery at full capacity
's.
Exemplary description has been done to the present invention above, it should explanation, in the situation for the core for not departing from the present invention
Under, any simple deformation, modification or other skilled in the art can not spend the equivalent substitution of creative work equal
Fall into protection scope of the present invention.
Claims (1)
- A kind of 1. full adjusting axial-flow pump water delivery pumping plant power-economizing method based on Computer Control Technology, it is characterised in that：The forebay of pumping plant can operating water level, after-bay can operating water level, every unit blade angle be equidistantly divided into respectively it is more These operating points, are combined by a operating point with reference to the start number of units of unit, and each combination is a kind of method of operation, record The input power of pumping plant, flow and lift data under all methods of operation and each method of operation；The power of the various methods of operation under same flow is compared, determines the method for operation of power minimum under same flow； The power of the various methods of operation under same lift is compared, determines the method for operation of power minimum under same lift；Flow or lift of the computer according to required by traffic order are in recorded all methods of operation and each fortune Find in respective input power, flow and lift data corresponding to line mode and most connect with the flow required by task or lift Near flow value or lift value, then computer automatically select the method for operation of power minimum under this flow or lift, and Forebay of Pumping Station water level, rear pool water level, blade angle, start four parameters of number of units are automatically adjusted, make pumping station operation minimum in power The method of operation under.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510444035.9A CN106368959B (en) | 2015-07-24 | 2015-07-24 | Full adjusting axial-flow pump water delivery pumping plant power-economizing method based on Computer Control Technology |
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| CN201510444035.9A CN106368959B (en) | 2015-07-24 | 2015-07-24 | Full adjusting axial-flow pump water delivery pumping plant power-economizing method based on Computer Control Technology |
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| CN106368959B true CN106368959B (en) | 2018-05-04 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111008731B (en) * | 2019-11-07 | 2024-02-02 | 中水三立数据技术股份有限公司 | Intelligent pump station blade mechanism flow regulation and control method |
| CN111102212B (en) * | 2019-12-31 | 2021-09-24 | 武汉睿山智水科技发展有限公司 | Method and device for scheduling cascade pump station and electronic equipment |
| CN111237208B (en) * | 2020-01-14 | 2021-07-09 | 扬州大学 | Blade setting angle step length adjustment control method during optimized operation of single unit of pump station |
| CN114810568B (en) * | 2022-04-11 | 2024-05-14 | 安徽卧龙泵阀股份有限公司 | System and method for controlling running distance of conveying pump |
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| DE102010010701A1 (en) * | 2010-03-08 | 2011-09-08 | Eisenwerk Wittigsthal Gmbh | Energy storage system for use as pump storage power station, has fluid line, which connects upper and lower liquid storage unit, where upper and lower liquid storage units with liquid line and fluid line form closed system |
| JP4878656B1 (en) * | 2011-06-05 | 2012-02-15 | 株式会社オージーエイ | Manhole and manhole pump station power generation system |
| CN103277291A (en) * | 2013-06-07 | 2013-09-04 | 上海东方威尔自动化有限公司 | Optimal scheduling method for single-stage pump station |
| CN103807184A (en) * | 2014-02-17 | 2014-05-21 | 扬州大学 | Method for determining blade adjustment frequency of variable-angle optimized operation of large fully-adjustable water pump station |
| CN104141603A (en) * | 2014-06-24 | 2014-11-12 | 赛莱默(中国)有限公司 | Water pump control system with energy saving function |
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2015
- 2015-07-24 CN CN201510444035.9A patent/CN106368959B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010010701A1 (en) * | 2010-03-08 | 2011-09-08 | Eisenwerk Wittigsthal Gmbh | Energy storage system for use as pump storage power station, has fluid line, which connects upper and lower liquid storage unit, where upper and lower liquid storage units with liquid line and fluid line form closed system |
| CN101975156A (en) * | 2010-11-11 | 2011-02-16 | 漯河瑞来信节能科技有限公司 | Minimum power consumption variable-frequency energy-saving control method for pumping station |
| JP4878656B1 (en) * | 2011-06-05 | 2012-02-15 | 株式会社オージーエイ | Manhole and manhole pump station power generation system |
| CN103277291A (en) * | 2013-06-07 | 2013-09-04 | 上海东方威尔自动化有限公司 | Optimal scheduling method for single-stage pump station |
| CN103807184A (en) * | 2014-02-17 | 2014-05-21 | 扬州大学 | Method for determining blade adjustment frequency of variable-angle optimized operation of large fully-adjustable water pump station |
| CN104141603A (en) * | 2014-06-24 | 2014-11-12 | 赛莱默(中国)有限公司 | Water pump control system with energy saving function |
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