CN109052633B - Intelligent sewage treatment stepless regulation and control system - Google Patents
Intelligent sewage treatment stepless regulation and control system Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/08—Aerobic processes using moving contact bodies
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
- C02F2209/006—Processes using a programmable logic controller [PLC] comprising a software program or a logic diagram
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/16—Total nitrogen (tkN-N)
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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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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention relates to the technical field of sewage treatment systems, in particular to an intelligent sewage treatment stepless regulation and control system which comprises an output calculation module, a sewage data monitoring module and an output control module, wherein the sewage data monitoring module is used for detecting water quality parameter data of sewage entering and exiting a reactor, the output calculation module stores a calculation model, the output calculation module is used for calculating control parameters according to the calculation model and the detected parameter data of the sewage and transmitting the obtained control parameters of the calculation model to the output control module, and the output control module carries out stepless regulation and control on the operation parameters of the reactor according to the control parameters of the calculation model. The intelligent sewage treatment stepless regulation and control system provided by the invention can carry out stepless regulation and control on the reactor and accurately regulate each operation parameter of the reactor.
Description
Technical Field
The invention relates to the technical field of sewage treatment systems, in particular to an intelligent sewage treatment stepless regulation and control system.
Background
In recent years, the economic development speed of cities in China is relatively high, the total amount of sewage generated by production and life in the cities is gradually increased, and the current advanced technologies for treating sewage at home and abroad mainly comprise a biological method, a chemical method and a physical method. Biological methods are the most widely adopted method for treating large amounts of industrial or municipal sewage. The biological method is based on the principle that microorganisms decompose organic substances, and oxygen required for the microorganisms to breathe and decompose the organic substances is supplemented by mechanical oxygenation.
Sewage treatment usually needs earlier carry out the homogenization through the equalizing basin with sewage, then let in the decomposition and the getting rid of that carry out main pollutant in the reactor, then subside sewage again, get rid of the suspended solid, among the sewage treatment process, the quality of water of pending sewage is constantly changeable, in the prior art, need rely on artifical manual governing system's operation gear, the parameter that sewage treatment relates to is numerous, operating personnel need master a large amount of professional knowledge and just can come to the regulation process flow according to the quality of water parameter, the study cost is high, and the control of gear formula can't carry out accurate regulation to the operating parameter, the operating parameter of sewage treatment system can't be adjusted fast to the convenience, the extravagant or purification incomplete problem of the energy appears easily.
Disclosure of Invention
The invention aims to provide an intelligent sewage treatment stepless regulation and control system, which can carry out stepless regulation and control on a reactor and accurately regulate each operation parameter of the reactor.
In order to solve the technical problem, the patent provides the following technical scheme:
intelligent sewage treatment stepless regulation and control system, including output calculation module, sewage data monitoring module and output control module, sewage data monitoring module is used for detecting the parameter data of the sewage of business turn over reactor, the output calculation module storage has calculation model, output calculation module is used for calculating control parameter according to calculation model and the parameter data of the sewage that detects to the control parameter transmission who will obtain calculation model gives output control module, and output control module carries out stepless regulation and control according to calculation model's control parameter to the operating parameter of reactor.
According to the technical scheme, the relevant parameter data of the sewage entering and exiting the reactor, such as the flow rate, the quality of water and the like of the sewage, are detected through the sewage data monitoring module, then the output calculation module calculates the control parameters according to the detected data and the stored calculation model, and the output control module regulates and controls all the operation parameters of the reactor, such as the flow rate, the reactor power, the chemical adding amount and the like according to the control parameters.
Further, the sewage data monitoring module comprises a flow detection module and a water quality detection module, the flow detection module is used for detecting sewage flow data entering and exiting the reactor, and the water quality detection module is used for detecting water quality data of sewage entering and exiting the reactor.
The flow data are used for controlling the flow of the in-out reactor, so that the sewage treatment speed and the sewage treatment effect can be regulated and controlled conveniently.
Further, the water quality data comprises pH data, DO data, SS data, temperature data, COD data, ammonia nitrogen data, total nitrogen data and total phosphorus data. The data can comprehensively reflect the water quality state of the sewage.
Further, the output control module comprises a reactor control module, a flow control module and a dosing pump control module, the reactor control module is used for controlling the power of the reactor, the flow control module is used for controlling the flow entering and exiting the reactor, and the dosing pump control module is used for controlling the alkali adding amount and the coagulant adding amount. The control of the power and the flow dosage of the reactor is realized.
Further, the calculation model comprises a pre-regulation model and a feedback regulation model, the output calculation module is used for calculating pre-control parameters according to the pre-regulation model and parameter data of sewage entering the reactor, the output calculation module is used for calculating feedback control parameters according to the feedback regulation model and parameter data of sewage flowing out of the reactor, and the output control module is used for regulating and controlling the operation parameters of the reactor in real time according to the pre-control parameters and the feedback control parameters. The method has the advantages that a pre-control parameter is generated according to the parameter data of the sewage to be treated, so that the reactor can be reasonably adjusted according to different sewages, the condition that unnecessary loss is wasted or a treatment result does not reach the standard is avoided, the feedback adjustment quantity can be finely adjusted according to the operation parameters of the reactor in real time in the sewage treatment process of the reactor, and the finally output sewage is guaranteed to reach the standard.
The system further comprises an alarm module, wherein the alarm module is used for giving an alarm after detecting that the quality data of the treated sewage exceeds a preset value. The sewage treatment effect is detected, and alarm reminding is timely carried out when the sewage treatment effect is found not to reach the standard.
Drawings
FIG. 1 is a logic block diagram of an embodiment of the intelligent stepless sewage treatment control system of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
as shown in fig. 1, the intelligent stepless sewage treatment control system of the present embodiment includes an output calculation module, a sewage data monitoring module, an output control module, and an alarm module. The sewage data monitoring module is used for detecting parameter data of sewage entering and exiting the reactor, the sewage data monitoring module comprises a flow detection module and a water quality detection module, the flow detection module is used for detecting sewage flow data entering and exiting the reactor, and the water quality detection module is used for detecting water quality data of the sewage entering and exiting the reactor. The flow detection module and the water quality detection module are used for detecting the parameter data of the sewage entering and exiting the reactor, the water quality data can reflect the water quality condition of the current sewage, the power and other adjustments of the reactor are provided with a basis, the flow data is used for controlling the flow entering and exiting the reactor, the sewage treatment speed and the sewage treatment effect can be conveniently regulated and controlled, and the flow detection module is an electromagnetic flowmeter. The water quality data comprises pH data, DO data, SS data, temperature data, COD data, ammonia nitrogen data, total nitrogen data and total phosphorus data. Through the data, the water quality state of the sewage can be comprehensively reflected; the corresponding water quality detection module comprises sensors for acquiring various monitoring parameters, and specifically comprises a probe of a pH meter, a probe of a DO (data only) instrument, a probe of an SS (SS) detector, a temperature detector, a COD (chemical oxygen demand) tester, an ammonia nitrogen tester, a total nitrogen tester and a total phosphorus tester.
In this embodiment, the water quality detection module further includes a water quality evaluation module, an evaluation model is stored in the water quality evaluation module, the evaluation model includes a score corresponding to each water quality data in each range, in this embodiment, the full score of each item corresponding to each water quality data is 10, a score of the item corresponding to the water quality data is obtained according to a range interval in which the actually detected water quality data is located, for example, the score of pH data is 10 when 5 to 7, the score of pH data is 8 when 4 to 5, and the like, and then the score can be obtained according to an interval in which the actually detected pH data is located, the water quality evaluation module calculates a water quality score according to the evaluation model and the obtained detection parameters and determines a water quality condition according to the water quality score, the water quality evaluation module performs weighted summation on the scores of the monitoring parameters, and finally obtains and displays the score of the water quality, the system is convenient for relevant management personnel to check and manage.
The output calculation module comprises a model storage module, a control quantity calculation module and a model adjustment module, wherein a calculation model is stored in the model storage module, the control quantity calculation module is used for calculating control parameters according to the calculation model and detected parameter data of the sewage and transmitting the obtained control parameters of the calculation model to the output control module, and the output control module carries out stepless regulation and control on the operation parameters of the reactor according to the control parameters of the calculation model. The model adjusting module is used for adjusting and updating parameters of the calculation model by managers, the calculation model comprises a pre-adjustment model and a feedback adjustment model, the control quantity calculation module comprises a pre-control parameter calculation submodule and a feedback control parameter calculation submodule, the pre-control parameter calculation submodule is used for calculating pre-control parameters according to the pre-adjustment model and parameter data of sewage entering the reactor, the feedback control parameter calculation submodule is used for calculating feedback control parameters according to the feedback adjustment model and parameter data of sewage flowing out of the reactor, and the output control module is used for regulating and controlling the operation parameters of the reactor in real time according to the pre-control parameters and the feedback control parameters. The method has the advantages that a pre-control parameter is generated according to the parameter data of the sewage to be treated, so that the reactor can be reasonably adjusted according to different sewages, the condition that unnecessary loss is wasted or a treatment result does not reach the standard is avoided, the feedback adjustment quantity can be finely adjusted according to the operation parameters of the reactor in real time in the sewage treatment process of the reactor, and the finally output sewage is guaranteed to reach the standard.
The output control module comprises a reactor control module, a flow control module and a dosing pump control module, the reactor control module is used for controlling the power of the reactor, the flow control module is used for controlling the flow entering and exiting the reactor, and the dosing pump control module is used for controlling the alkali adding amount and the coagulant adding amount. Further realizing the control of the power and the flow dosage of the reactor.
In the embodiment, the biological rotating cage is used as a reactor to purify sewage, the biological filler is filled in the biological rotating cage, and microorganisms on a biological film on the surface of the biological filler have the function of treating pollutants in the sewage.
The reactor control module comprises a biological rotating cage control module, the biological rotating cage control module comprises a biological rotating cage and a motor controller, and the motor controller is used for controlling the power of a motor of the biological rotating cage, so that the rotating speed of the biological rotating cage is controlled, and the power of the reactor is adjusted.
The dosing pump control module comprises an alkali dosing pump control module and a coagulant dosing pump control module which are respectively used for controlling the alkali dosing amount and the coagulant addition amount.
The output control module still includes airflow control module and desilting control module, airflow control module includes aerating device and aerating device controller, aerating device sets up in the below of biological rotating cage, and biological rotating cage lateral wall is equipped with the inlet port, is equipped with the baffle that admits air on the biological rotating cage, and aerating device is used for breathing in from the external world to blow the air current to biological rotating cage, the baffle that admits air is arranged in supplementary air current gets into biological rotating cage, and the inflation controller is used for controlling aerating device's power.
The desilting control module comprises a desilting device and a desilting motor controller, the desilting device is arranged on the horizontal plane and comprises a scraper and a desilting motor, the desilting motor drives the scraper to reciprocate on the water surface, the scraper is used for collecting floating suspended matters on the water surface and discharging the suspended matters together, and the desilting motor controller is used for controlling the power of the desilting motor and further controlling the frequency of the scraper.
In this embodiment, the air charging device is an air compressor, and the air charging device controller is a control cabinet provided with the air compressor and used for controlling the operating power of the air compressor. The air compressor machine is with the outside air compression, then blow off to biological rotating cage from the bottom in pond, can assist biological rotating cage to rotate under the effect of the baffle that admits air, traditional biological rotating cage needs continuous taking a breath in the course of the work, then need not to take a breath again through directly blowing in biological rotating cage with the air, increase the treatment effeciency, the air gets into from the inlet port of biological rotating cage bottom, escape in the inlet port from other biological rotating cage, can produce a large amount of bubbles, the bubble can glue on the suspension impurity in the sewage at the in-process of come-up, and then drive impurity come-up together, and then collect the clearance by the desilting device and fall.
The alarm module is used for giving an alarm after detecting that the water quality data of the treated sewage exceeds a preset value. The sewage treatment effect is detected, alarm reminding is timely carried out when the sewage treatment effect is found not to reach the standard, and the sewage purification treatment effect is ensured.
In the technical scheme of this embodiment, come the parameter data to the sewage of business turn over reactor through sewage data monitoring module, data such as flow, quality of water quality detect, output calculation module then calculates the control parameter according to detected data and the calculation model that has stored, output control module regulates and control each operating parameter of reactor according to the control parameter, for example flow, reactor power, add the dose etc. this scheme adopts automated control system, carry out stepless regulation and control, can realize accurate, complicated automatic control, compare in the regulation and control of gear type, this scheme can accurately adjust each operating parameter of reactor.
The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the invention in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the invention may be embodied in practice with the teachings of the invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (4)
1. Intelligent sewage treatment stepless regulation and control system, its characterized in that: the system comprises an output calculation module, a sewage data monitoring module and an output control module, wherein the sewage data monitoring module is used for detecting parameter data of sewage entering and exiting the reactor, the output calculation module stores a calculation model, the output calculation module is used for calculating control parameters according to the calculation model and the detected parameter data of the sewage and transmitting the obtained control parameters of the calculation model to the output control module, and the output control module carries out stepless regulation and control on the operation parameters of the reactor according to the control parameters of the calculation model;
the output control module comprises a reactor control module, a flow control module and a dosing pump control module, the reactor control module is used for controlling the power of the reactor, the flow control module is used for controlling the flow entering and exiting the reactor, and the dosing pump control module is used for controlling the alkali addition amount and the coagulant addition amount;
the calculation model comprises a pre-regulation model and a feedback regulation model, the output calculation module is used for calculating pre-control parameters according to the pre-regulation model and parameter data of sewage entering the reactor, the output calculation module is used for calculating feedback control parameters according to the feedback regulation model and parameter data of sewage flowing out of the reactor, and the output control module is used for regulating and controlling the operation parameters of the reactor in real time according to the pre-control parameters and the feedback control parameters;
the reactor is a biological rotating cage, the reactor control module also comprises a biological rotating cage control module, the biological rotating cage control module comprises a biological rotating cage and a motor controller, and the motor controller is used for controlling the power of a motor of the biological rotating cage so as to control the rotating speed of the biological rotating cage and realize the regulation of the reactor power;
the output control module further comprises an airflow control module and a dredging control module, the airflow control module comprises an air charging device and an air charging device controller, the air charging device is arranged below the biological rotating cage, an air inlet hole is formed in the side wall of the biological rotating cage, an air inlet guide plate is arranged on the biological rotating cage, the air charging device is used for sucking air from the outside and blowing the air flow to the biological rotating cage, the air inlet guide plate is used for assisting the air flow to enter the biological rotating cage, and the air charging controller is used for controlling the power of the air charging device;
the desilting control module comprises a desilting device and a desilting motor controller, the desilting device is arranged on the horizontal plane and comprises a scraper and a desilting motor, the desilting motor drives the scraper to reciprocate on the water surface, the scraper is used for collecting floating suspended matters on the water surface and discharging the suspended matters together, and the desilting motor controller is used for controlling the power of the desilting motor and further controlling the frequency of the scraper.
2. The intelligent stepless sewage treatment regulation and control system of claim 1, wherein: the sewage data monitoring module comprises a flow detection module and a water quality detection module, wherein the flow detection module is used for detecting sewage flow data entering and exiting the reactor, and the water quality detection module is used for detecting water quality data of sewage entering and exiting the reactor.
3. The intelligent stepless sewage treatment regulation and control system of claim 2, wherein: the water quality data comprises pH data, DO data, SS data, temperature data, COD data, ammonia nitrogen data, total nitrogen data and total phosphorus data.
4. The intelligent stepless sewage treatment control system of claim 3, wherein: the device also comprises an alarm module, wherein the alarm module is used for giving an alarm after detecting that the water quality data of the treated sewage exceeds a preset value.
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| CN110006481A (en) * | 2019-02-28 | 2019-07-12 | 重庆工商大学 | Water quality monitoring equipment applied to sewage treatment |
| CN109879474B (en) * | 2019-02-28 | 2022-04-08 | 重庆工商大学 | Dynamic adjustment type sewage working condition treatment system |
| CN110078140A (en) * | 2019-04-18 | 2019-08-02 | 云南合续环境科技有限公司 | A kind of apparatus control method and apparatus control system |
| CN110510729A (en) * | 2019-08-14 | 2019-11-29 | 中国石油天然气集团有限公司 | Cleaning control method, system and corresponding moving bed biological filter tank reactor assembly |
| CN110963639A (en) * | 2019-11-06 | 2020-04-07 | 南京天河水环境科技有限公司 | Intelligent water treatment device |
| CN111252954A (en) * | 2020-03-17 | 2020-06-09 | 重庆工商大学 | Remote sewage management system |
| CN111439900A (en) * | 2020-05-28 | 2020-07-24 | 重庆工商大学 | Local Wastewater Management System |
| CN113447629A (en) * | 2020-06-03 | 2021-09-28 | 阮勤林 | Water environment early warning comprehensive emergency management platform |
| CN114477661A (en) * | 2022-03-17 | 2022-05-13 | 国网河北省电力有限公司电力科学研究院 | Low-energy-consumption domestic sewage treatment device and method |
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