CN106647244B - A kind of sewage treatment elevator pump operating system - Google Patents
A kind of sewage treatment elevator pump operating system Download PDFInfo
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- CN106647244B CN106647244B CN201610959257.9A CN201610959257A CN106647244B CN 106647244 B CN106647244 B CN 106647244B CN 201610959257 A CN201610959257 A CN 201610959257A CN 106647244 B CN106647244 B CN 106647244B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/0205—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system
- G05B13/024—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system in which a parameter or coefficient is automatically adjusted to optimise the performance
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Abstract
The invention discloses a kind of sewage treatment elevator pump operating systems, belong to technical field of sewage.The sewage treatment elevator pump operating system includes liquid level emasuring device, control unit and processing unit.Wherein, liquid level emasuring device is located at sewage inlet, for acquiring liquid level data, and liquid level data is reached into control unit, liquid level data is reached into processing unit by control unit, processing unit optimizes scheduling to liquid level data and calculates, and calculated result is reached control unit, controls being turned on or off for elevator pump by control unit.Sewage treatment elevator pump operating system proposed by the present invention realizes that sewage treatment plant reduces the purpose of energy consumption and O&M cost, and can ensure unattended operational mode, reduces cost of labor.
Description
Technical field
The present invention relates to technical field of sewage, specifically, in particular to a kind of sewage treatment elevator pump operating system.
Background technique
With the propulsion of China's economic development and urbanization, the demand to municipal sewage treatment increasingly increases.Current China
Although achieving greater advance in terms of the construction of municipal sewage plant, all there is automation in most of sewage treatment plant
It is horizontal it is low, despise process management, the problems such as energy consumption is high, O&M cost is high.Elevator pump is the second largest energy consumption in sewage disposal system
Equipment studies the operating system of elevator pump, to the reduction energy consumption for realizing sewage treatment plant, unattended, reduction O&M
Cost is significant.
Summary of the invention
The object of the present invention is to provide a kind of sewage treatment elevator pump operating systems, to realize sewage treatment plant's elevator pump
Efficient low-consume operation, ensure unattended operational mode, reduce cost of labor and O&M cost.
To achieve the above object, the present invention uses following technical scheme:
Sewage treatment elevator pump operating system of the present invention, comprising:
Liquid level emasuring device is located at cesspool inlet, reaches control list for acquiring liquid level data, and by liquid level data
Member；
Control unit is connect with the liquid level emasuring device, for receiving the liquid level number of the liquid level emasuring device acquisition
According to, and liquid level data is reached into processing unit；
Processing unit is connect by wireless network with described control unit, including computing module, for receiving the control
The liquid level data of unit transmission, and liquid level data is optimized into scheduling calculation processing, and processing result is reached into the control
Unit controls the opening and closing of elevator pump by described control unit.
Preferably, processing unit is divided into 08:00-22:00 and 22:01-07:59 two according to urban transformation valence fees policy
A period optimizes scheduling to the operation of elevator pump.
Preferably, processing unit further includes statistical module, for counting the log of elevator pump.
Further, it is preferable to, control unit controls unlatching or the pass of elevator pump according to the log of elevator pump
It closes.
Preferably, processing unit further includes communication module, for sending early warning information.
Compared with prior art, the present invention has the following advantages and beneficial effects:
One, in sewage treatment elevator pump operating system of the present invention, processing unit optimizes scheduling to liquid level data
Processing reaches elevator pump stabilization, efficient, low consumption operation purpose with the sewage treatment elevator pump operating scheme that determination is optimal.
Two, the present invention controls being turned on or off for elevator pump by control unit, issues early warning through the processing unit and disappears
Breath, realizes the intelligence control of sewage treatment plant, and energy saving and cost lowering ensures unattended operational mode.
Detailed description of the invention
Fig. 1 is sewage treatment elevator pump operating system figure；
Fig. 2 is the control flow chart that control unit intelligently manages sewage treatment elevator pump start and stop preferred embodiment.
Specific embodiment
In conjunction with attached drawing, the present invention is described further.
Fig. 1 is sewage treatment elevator pump operating system figure, as shown in Figure 1, sewage treatment of the present invention promotes pump operation
System, comprising:
Liquid level emasuring device 1 is located at cesspool inlet, reaches control for acquiring liquid level data, and by liquid level data
Unit 2；
Control unit 2 is connect with the liquid level emasuring device 1, the liquid level acquired for receiving the liquid level emasuring device 1
Data, and liquid level data is reached into processing unit 3；
Processing unit 3 is connect by wireless network with described control unit 2, including computing module, for receiving the control
The liquid level data that unit 2 processed transmits, and liquid level data is optimized into scheduling calculation processing, and processing result is reached into the control
Unit 2 processed controls the opening and closing of elevator pump by described control unit 2.
It wherein, further include statistical module in processing unit 3, for counting the log of elevator pump, for example, elevator pump
Runing time, time of having a rest, maintenance time and time buying etc. promote pump impeller convenient for controlling according to the log of elevator pump
It changes jobs, reduces O&M cost.
Processing unit 3 further includes communication module, for sending early warning information, to ensure unattended operational mode.
Fig. 2 is the control flow chart that control unit intelligently manages sewage treatment elevator pump start and stop preferred embodiment.Such as Fig. 2 institute
Show, firstly, determining that the expectation operation duration of elevator pump is the high-power promotion of actual installation in 2 hours and sewage treatment plant
Quantity M, N of pump and small-power elevator pump, is input to processing unit；Secondly, control unit receives the start and stop instruction of processing unit,
Obtain needing quantity m, n of the high-power elevator pump and small-power elevator pump opened；Again by control unit to the relationship of m and M, n
Judged with the relationship of N, and it is as follows to carry out corresponding operating:
As m < M, the relationship of m and practical high-power elevator pump quantity K in operating status are judged, as m < K,
It is found in the K run high-power elevator pumps and reaches cutting off for 2 hours operation durations at first, until m=K；Work as m >=K
When, the starting operation shut down at first is found in the high-power elevator pump of remaining not running, until m=K；
As m<M, and when n>=N, if the flow of n-N small-power elevator pump is greater than the stream of the high-power elevator pump of at least one
Amount then at least increases 1 high-power elevator pump shut down earliest, i.e., when small-power elevator pump lazy weight, on the one hand with existing
The high-power elevator pump having replaces small-power elevator pump, on the other hand according to the principle for reducing energy consumption, mentions in required small-power
The total flow of pump is risen greater than high-power elevator pump is increased in the case where high-power promotion pump discharge, high-power elevator pump can not be handled
Flow then enter subsequent cycle accumulation, for example, shown in Fig. 2, when the flow of n-N small-power elevator pump is greater than 1 big function
When the flow of rate elevator pump, then 1 high-power elevator pump shut down earliest is increased；
As n < N, the relationship of n and practical small-power elevator pump quantity L in operating status are judged, as n < L,
It is found in the L small-power elevator pump run and reaches cutting off for 2 hours operation durations at first, until n=L；Work as n >=L
When, the starting operation shut down at first is found in the small-power elevator pump of remaining not running, until n=L；
As n<N, and when m>=M, if the flow of N-n small-power elevator pump is greater than the flow of m-M high-power elevator pumps,
Then increase N-n small-power elevator pump；
Work as m >=M, and when n >=N, indicates that all elevator pumps have been in oepration at full load state in sewage treatment plant；
Finally, control result is back to processing unit.
When work, in sewage treatment plant's arrangement processing unit, liquid level sensor is installed at cesspool sewage inlet, is used for
The liquid level data of cesspool is acquired, and liquid level sensor is connected with the controller of control unit, controller passes through wireless network
It is connect with processing unit, to processing unit feedback control results, so that processing unit carries out corresponding operating, completes sewage treatment and mention
Rise Optimized Operation and the intelligence control of pump.
Firstly, it is necessary to the typing following data in processing unit:
The maximum stage that cesspool allows is 12 meters, and lowest water level is 1 meter；The operation duration of desired elevator pump is 2 small
When；The specified displacement Δ Q of high-power elevator pumpGreatlyWith the specified displacement Δ Q of small-power elevator pumpIt is small；It is real in sewage treatment plant
The high-power elevator pump of border installation and quantity M, N of small-power elevator pump；Big function in sewage disposal system at least in operation
The quantity of rate elevator pump and small-power elevator pump.
In processing unit after the above-mentioned given data of typing, sewage disposal system is started to work.It is adopted by liquid level sensor
Collect the liquid level data of cesspool and setting acquires a data per minute, and liquid level data is reached into control unit, it is single by control
Liquid level data is reached processing unit by the controller of member；Processing unit counts liquid level data according to following Optimization scheduling algorithm
Calculation processing:
Calculate the flow of k moment cesspool
In formula, h (k) is the liquid level data at k moment, and unit is rice, and Δ t (k) is time interval, and unit is minute, Δ Q
(k) be the k moment the discharge of sewage, unit be m/min,For the flow of k moment cesspool, unit is m/min；
Wherein, since cesspool admission sewage is not constant, nonlinearity real-time change.For example, 24
In hour, 11:00-13:00 and evening 18:00-20:00 is peak period at noon for sewage admission, it may appear that sewage admission amount
The phenomenon that moment increases.Therefore, denoising is carried out to the calculating of flow, to filter the data of mutation, prevents sewage treatment from mentioning
Rise the frequent start-stop of pump.
Δq1=Δ Q (k)-Δ Q (k-1) (1-7)
Δq2=Δ Q (k-1)-Δ Q (k-2) (1-8)
In formula, Δ q1For the changes in flow rate at k moment and k-1 moment, unit is m/min Δ q2When for the k-1 moment with k-2
The changes in flow rate at quarter, unit be m/min,
As Δ q1Or Δ q2When greater than 0.5 m/min, i.e., when changes in flow rate is greater than 0.5 meter in one minute, abandon the group
Sampled data.
According in actual production, the power transformation valence fees policy of city electricity consumption is divided into two periods considerations:
Crest segment 08:00-22:00, dispatching method are as follows:
Paddy section 22:01-07:59, dispatching method are as follows:
In formula,
ΔQGreatlyFor the specified displacement of high-power elevator pump, unit is m/min,
ΔQIt is smallFor the specified displacement of small-power elevator pump, unit is m/min,
HmaxFor the cesspool maximum stage of permission, unit is rice,
H is the current level of cesspool, and unit is rice,
HminFor the cesspool lowest water level of permission, unit is rice,
M, n are integer, and m indicates the high-power elevator pump quantity opened, and n indicates the small-power elevator pump quantity opened, takes
The quantity of high-power elevator pump and small-power elevator pump that the minimum value of m, n, as k moment need to open.
Processing unit obtains the high-power elevator pump and small function that current time needs are opened according to above-mentioned Optimization scheduling algorithm
Result is reached control unit by quantity m, n of rate elevator pump, is judged by control unit according to the unlatching situation of current elevator pump
Whether need to switch elevator pump, if not needing switching elevator pump, by the liquid level data of liquid level sensor acquisition subsequent time, and
The calculating of elevator pump Optimization scheduling algorithm is carried out by processing unit.
If desired switch elevator pump, then after control unit receives elevator pump start and stop instruction, according to control flow below,
And the log for the elevator pump that statistical module is counted in combination processing unit, determine and control need open and close mention
Rise pump:
Judge the relationship of m and M, the relationship of n and N, and it is as follows to carry out corresponding operating:
As m < M, the relationship of m and practical high-power elevator pump quantity K in operating status are judged, as m < K,
It is found in the K run high-power elevator pumps and reaches cutting off for 2 hours operation durations at first, until m=K；Work as m >=K
When, the starting operation shut down at first is found in the high-power elevator pump of remaining not running, until m=K；
As m<M, and when n>=N, if the flow of n-N small-power elevator pump is greater than the flow of 1 high-power elevator pump,
Increase a high-power elevator pump shut down earliest；
As n < N, the relationship of n and practical small-power elevator pump quantity L in operating status are judged, as n < L,
It is found in the L small-power elevator pump run and reaches cutting off for 2 hours operation durations at first, until n=L；Work as n >=L
When, the starting operation shut down at first is found in the small-power elevator pump of remaining not running, until n=L；
As n<N, and when m>=M, if the flow of N-n small-power elevator pump is greater than the flow of m-M high-power elevator pumps,
Then increase N-n small-power elevator pump；
Work as m >=M, and when n >=N, indicates that all elevator pumps have been in oepration at full load state in sewage treatment plant；
According to the operation duration of elevator pump and rest duration, being turned on or off for elevator pump is controlled, makes elevator pump rotation
The balance abrasion of all elevator pumps is realized in work, reduces O&M cost；
Finally, control result is back to processing unit, the elevator pump Optimized Operation of subsequent time is carried out by processing unit
It calculates, forms the circulation running of sewage treatment plant's system.
By the start and stop of control unit intelligent control elevator pump, the unattended of sewage treatment elevator pump is realized, reduce people
Work cost；And control unit, according to the operation duration of elevator pump, intelligent control elevator pump rotation work realizes all elevator pumps
Balance abrasion reduces O&M cost.
In addition, when control unit transmits all elevator pumps to processing unit and has been in oepration at full load state, processing
Communication module in unit sends early warning information to related personnel.
In the operational process of elevator pump, there is too long elevator pump overheat, continuous operating time or needs unlatching or close
When the problems such as elevator pump closed breaks down and normally can not start or close, control unit can automatically switch elevator pump and will letter
Breath reaches processing unit, sends early warning information to staff in time from the communication module in processing unit, ensures unattended
In the case where, the normal operation of sewage treatment plant reduces cost of labor.
Claims (4)
1. a kind of sewage treatment elevator pump operating system, comprising:
Liquid level emasuring device is located at cesspool inlet, reaches control unit for acquiring liquid level data, and by liquid level data；
Control unit is connect with the liquid level emasuring device, for receiving the liquid level data of the liquid level emasuring device acquisition, and
Liquid level data is reached into processing unit；
Processing unit is connect by wireless network with described control unit, including computing module, for receiving described control unit
The liquid level data of transmission, and liquid level data is optimized into scheduling calculation processing, obtain the high-power elevator pump for needing to open and
Quantity m, n of small-power elevator pump, and processing result is reached into described control unit, elevator pump is controlled by described control unit
Opening and closing；
Wherein, control unit receives the start and stop instruction of processing unit, obtains that the high-power elevator pump opened and small-power is needed to mention
Quantity m, n of pump is risen, then by control unit to the relationship of the quantity M of the high-power elevator pump of m and actual installation, n and practical peace
The relationship of the quantity N of the small-power elevator pump of dress is judged, and carries out operations described below:
As m < M, the relationship of m and practical high-power elevator pump quantity K in operating status are judged, as m < K,
It is found in K through running high-power elevator pumps and reaches cutting off for expectation operation duration at first, until m=K；As m >=K,
The starting operation shut down at first is found in the high-power elevator pump of remaining not running, until m=K；
As m<M, and when n>=N, if the flow of n-N small-power elevator pump is greater than the flow of the high-power elevator pump of at least one,
At least increase 1 high-power elevator pump shut down earliest；
As n < N, the relationship of n and practical small-power elevator pump quantity L in operating status are judged, as n < L,
It is found in the L small-power elevator pump through running and reaches cutting off for expectation operation duration at first, until n=L；As n >=L,
The starting operation shut down at first is found in the small-power elevator pump of remaining not running, until n=L；
As n<N, and when m>=M, if the flow of N-n small-power elevator pump is greater than the flow of m-M high-power elevator pumps, increase
Open N-n small-power elevator pump；
Work as m >=M, and when n >=N, indicates that all elevator pumps have been in oepration at full load state in sewage treatment plant；
Control result is back to processing unit, is calculated by the elevator pump Optimized Operation that processing unit carries out subsequent time；
The processing unit further includes communication module, for sending early warning information, when control unit is all to processing unit transmitting
When elevator pump has been in oepration at full load state, the communication module in processing unit sends early warning information to related personnel.
2. sewage treatment elevator pump operating system according to claim 1, which is characterized in that the processing unit is according to city
City's power transformation valence fees policy, being divided into two periods of 08:00-22:00 and 22:01-07:59 optimizes tune to the operation of elevator pump
Degree.
3. sewage treatment elevator pump operating system according to claim 1, which is characterized in that the processing unit further includes
Statistical module, for counting the log of elevator pump.
4. sewage treatment elevator pump operating system according to claim 3, which is characterized in that described control unit is according to mentioning
The log for rising pump, controls being turned on or off for elevator pump.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108217786A (en) * | 2018-03-27 | 2018-06-29 | 南方创业（天津）科技发展有限公司 | Sewage pulsation purification control method and system |
| CN109814510B (en) * | 2019-01-31 | 2022-02-22 | 中冶华天工程技术有限公司 | Sewage treatment lift pump optimal scheduling control method based on incoming water prediction |
| CN115493636A (en) * | 2022-05-23 | 2022-12-20 | 中冶华天工程技术有限公司 | Multi-target drainage pump drainage quantity calculation method based on buffer area |
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