CN109133209B - Sewage treatment intelligent regulation system based on simple control - Google Patents

Sewage treatment intelligent regulation system based on simple control Download PDF

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Publication number
CN109133209B
CN109133209B CN201810998611.8A CN201810998611A CN109133209B CN 109133209 B CN109133209 B CN 109133209B CN 201810998611 A CN201810998611 A CN 201810998611A CN 109133209 B CN109133209 B CN 109133209B
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water quality
sewage
module
gear
control module
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CN109133209A (en
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李晓丹
申渝
高旭
王建辉
齐高相
尹文洁
张海东
陈佳
孔莹
李德胜
彭玉
杨虹燕
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Chongqing Technology and Business University
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/008Control or steering systems not provided for elsewhere in subclass C02F
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/005Processes using a programmable logic controller [PLC]
    • C02F2209/006Processes using a programmable logic controller [PLC] comprising a software program or a logic diagram

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
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  • Physics & Mathematics (AREA)
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  • Food Science & Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)
  • Pathology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Activated Sludge Processes (AREA)

Abstract

The invention relates to the technical field of sewage treatment systems, in particular to a sewage treatment intelligent adjusting system based on simple control. The water quality detection module is used for detecting each monitoring parameter of the sewage to be treated and obtaining the water quality condition of the sewage to be treated according to each detected monitoring parameter; the adjusting gears comprise an energy-saving gear, a common gear and a strengthening gear; after the energy-saving gear is started, the output control module controls the reactor to work in a low-power state; after the common gear is started, the output control module controls the reactor to work in a standard power state; after the strengthening gear is started, the output control module controls the reactor to work in a high-power state. The sewage treatment intelligent adjusting system based on simple control can save energy, avoid unnecessary energy loss, increase treatment efficiency, improve standard reaching rate, reduce control complexity and reduce learning cost of operators.

Description

Sewage treatment intelligent regulation system based on simple control
Technical Field
The invention relates to the technical field of sewage treatment systems, in particular to a sewage treatment intelligent adjusting system based on simple control.
Background
In recent years, the economic development speed of cities in China is relatively high, the 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 respiration of the microorganisms and decomposition of the organic substances is supplemented by mechanical oxygenation.
In the sewage treatment process, generally, sewage is homogenized through a regulating reservoir, then the sewage is introduced into a reactor to decompose and remove main pollutants, then the sewage is settled to remove suspended matters, the reactor is a core device of a sewage treatment system, in the prior art, the reactor generally runs at constant power and cannot be conveniently and quickly regulated, when the water quality is better, unnecessary energy loss is caused, and when the water quality of the sewage is poorer, incomplete purification is easily caused; in addition, the parameters involved in sewage treatment are numerous, operators can adjust the treatment process according to the water quality parameters only by mastering a large amount of professional knowledge, and the learning cost is high.
Disclosure of Invention
The invention aims to provide the sewage treatment intelligent adjusting system based on simple control, which can save energy, avoid unnecessary energy loss, improve the treatment efficiency, improve the standard reaching rate, reduce the complexity of control and reduce the learning cost of operators.
In order to solve the technical problem, the patent provides the following technical scheme:
the intelligent sewage treatment adjusting system based on simple control comprises an adjusting gear, a water quality detection module and an output control module, wherein the water quality detection module is used for detecting each monitoring parameter of sewage to be treated and obtaining the water quality condition of the sewage to be treated according to each detected monitoring parameter, the adjusting gear comprises an energy-saving gear, a common gear and a strengthening gear, and after the energy-saving gear is started, the output control module controls a reactor to work in a low-power state; after the common gear is started, the output control module controls the reactor to work in a standard power state, and after the reinforced gear is started, the output control module controls the reactor to work in a high power state.
According to the technical scheme, the water quality detection module can be used for detecting each monitoring parameter of the sewage to be treated in real time, the water quality condition of the sewage to be treated is obtained according to the detection result and is provided for an operator to refer, and the operator selects a proper gear to control according to the water quality condition of the sewage to be treated. In this application, set up the gear into three gear: the energy-saving gear aims at the condition of better water quality, and the treated sewage can be ensured to reach the standard only by controlling the reactor to operate in a low-power state; the common grade is specific to the general water quality condition, and at the moment, the reactor operates under the preset standard power; the strengthening gear is used for solving the problem of poor water quality, the reactor is basically in a full-load running state after the gear is started, and further sewage is purified as much as possible, so that energy can be saved when the water quality is good, and unnecessary energy loss is avoided; when quality of water is relatively poor, improve the treatment effeciency, promote the standard reaching rate, reduce sewage control's complexity through setting up of third gear simultaneously, simplify sewage control's flow, reduce operating personnel's learning cost.
Further, the detection parameters comprise 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 water quality detection module comprises a monitoring parameter acquisition module and a water quality evaluation module, the water quality condition comprises three grades of better, general and worse, an evaluation model is stored in the water quality evaluation module, the evaluation model comprises corresponding scores of each monitoring parameter in different ranges, and the water quality evaluation module calculates a water quality score according to the evaluation model and the acquired detection parameters and determines the water quality condition according to the water quality score. The water quality state of the sewage is quantitatively evaluated in a digitized mode through the water quality evaluation module, the water quality evaluation module is more accurate, the water quality condition is divided into three grades, each grade automatically corresponds to one gear, and an operator can conveniently operate the water quality evaluation module.
Further, the system also comprises a reminding module, wherein the reminding module is used for reminding an operator after the water quality condition of the sewage to be treated is changed. Can real-timely remind operating personnel to pay attention to the quality of water change condition of pending sewage through reminding the module, and then adjust the gear in time, ensure sewage treatment effect.
Further, the water quality detection module is also used for detecting the monitoring parameters of the treated sewage and further comprises an alarm module, and the alarm module is used for giving an alarm after detecting that the monitoring parameters of the treated sewage exceed 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 sewage treatment regulation system based on simple control.
Detailed Description
The following is further detailed by way of specific embodiments:
as shown in fig. 1, the sewage treatment intelligent regulation system based on simple control of this embodiment, including adjusting the gear, water quality testing module and output control module, water quality testing module is used for detecting each monitoring parameter of pending sewage and reachs the quality of water condition of pending sewage according to each monitoring parameter that detects, in this embodiment, water quality testing module includes monitoring parameter acquisition module and water quality evaluation module, monitoring parameter acquisition module includes the sensor that is used for acquireing each monitoring parameter, specifically include the probe of pH meter, the probe of DO appearance, the probe of SS detector, the thermodetector, the COD apparatus, ammonia nitrogen apparatus, total nitrogen apparatus and total phosphorus apparatus, corresponding monitoring parameter includes 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.
In this embodiment, the water quality condition is divided into three better, general and worse grades, an evaluation model is stored in the water quality evaluation module, the evaluation model includes the corresponding scores of each monitoring parameter in different ranges, in this embodiment, the full score of each parameter is 10, the score of the monitoring parameter is obtained according to the range interval of the actually detected monitoring parameter, for example, the score of pH data is 10 when the pH data is 5 to 7, the score is 8 when the pH data is 4 to 5, and the like, and then the score can be obtained according to the interval of the actually detected pH data, the water quality evaluation module calculates the water quality score according to the evaluation model and the obtained detection parameter and determines the water quality condition according to the water quality score, the water quality evaluation module performs weighted summation on the scores of the monitoring parameters to finally obtain the score of the water quality, the three better, general and worse grades all have respective corresponding score intervals, and obtaining the water quality condition of the sewage to be treated according to the section where the score is located. And carrying out digital quantitative evaluation on the water quality state of the sewage through a water quality evaluation module.
The adjusting gears comprise an energy-saving gear, a common gear and a strengthening gear, and after the energy-saving gear is started, the output control module controls the reactor to work in a low-power state; after the common gear is started, the output control module controls the reactor to work in a standard power state, and after the reinforced gear is started, the output control module controls the reactor to work in a high power state. The three gears correspond to three different water quality conditions, so that an operator can operate the water quality control device conveniently; the low-power state means that the operating power of the reactor is 0% to 30% of the rated power; the standard power state means that the operating power of the reactor is 30% to 80% of the rated power; the high power state means that the operating power of the reactor is 80% to 100% of the rated power.
The system also comprises a reminding module and an alarm module, wherein the reminding module is used for reminding an operator after the water quality condition of the sewage to be treated is changed. Can real-timely remind operating personnel to pay attention to the quality of water change condition of pending sewage through reminding the module, and then adjust the regulation gear in time, ensure sewage treatment effect. The water quality detection module is also used for detecting the monitoring parameters of the treated sewage, and the alarm module is used for alarming after the monitoring parameters of the treated sewage exceed the preset value, so that the treatment effect of the sewage can be detected, and the alarm is timely reminded when the sewage does not reach the standard.
The output control module is used for controlling a reactor of the sewage treatment system, a biological rotating cage is adopted as the reactor to purify sewage in the embodiment, biological fillers are arranged in the biological rotating cage, and microorganisms on a biological film on the surface of the biological fillers have the effect of treating pollutants in the sewage.
The output control module comprises a power floating module and a biological rotating cage control module, wherein:
the power floating module is used for dynamically adjusting the power of the reactor in a corresponding power range according to the detection result of the treated sewage, for example, the reactor is currently operated in a low-power state, the power of the reactor is 10% of the rated power, but if the monitoring parameter of the treated sewage exceeds the standard, the power of the reactor is dynamically adjusted up by using a PID (proportion integration differentiation) adjustment algorithm, and the maximum power of the reactor does not exceed 30% of the low-power state.
The biological rotating cage control module comprises a biological rotating cage and a motor controller, wherein 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.
In this embodiment, the output control module further comprises an airflow control module, the airflow control module comprises an inflator and an inflator controller, the air charging device is arranged below the biological rotating cage, the side wall of the biological rotating cage is provided with an air inlet hole, the biological rotating cage is provided with an air inlet guide plate, the air charging device is used for sucking air from the outside, and blows the airflow to the biological rotating cage, the air inlet guide plate is used for assisting the airflow to enter the biological rotating cage, the inflation controller is used for controlling the power of the inflation device, the output control module also comprises a dredging control module, 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, aerating device is the air compressor machine, the aerating device controller is the switch board of air compressor machine from the area, a running power for controlling the air compressor machine, the air compressor machine is with 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 the biological rotating cage with the air, the treatment effeciency has been increased, the air gets into from the inlet port of biological rotating cage bottom, escape in other inlet ports of biological rotating cage, can produce a large amount of bubbles, the bubble can glue on the suspended 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.
In this embodiment, can carry out real-time detection through each monitoring parameter of pending sewage through water quality testing module to according to the result that detects, obtain the quality of water condition of pending sewage, supply operating personnel to refer to, operating personnel selects suitable gear to control according to the quality of water condition of pending sewage, in this application, sets up the gear into three gear: the energy-saving gear aims at the condition of better water quality, and the treated sewage can be ensured to reach the standard only by controlling the reactor to operate in a low-power state; the common grade is specific to the general water quality condition, and at the moment, the reactor operates under the preset standard power; the strengthening gear is used for solving the problem of poor water quality, the reactor is basically in a full-load running state after the gear is started, and further sewage is purified as much as possible, so that energy can be saved when the water quality is good, and unnecessary energy loss is avoided; when quality of water is relatively poor, increase treatment effeciency, promote the standard reaching rate, reduce sewage control's complexity through setting up of third gear simultaneously, reduce operating personnel's learning cost.
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 (5)

1. Sewage treatment intelligent regulation system based on simple control, its characterized in that: the system comprises an adjusting gear, a water quality detection module and an output control module, wherein the water quality detection module is used for detecting each monitoring parameter of the sewage to be treated and obtaining the water quality condition of the sewage to be treated according to each detected monitoring parameter, the adjusting gear comprises an energy-saving gear, a common gear and a strengthening gear, and after the energy-saving gear is started, the output control module controls a reactor to work in a low-power state; after the common gear is started, the output control module controls the reactor to work in a standard power state, and after the reinforced gear is started, the output control module controls the reactor to work in a high power state;
the output control module comprises a power floating module, a biological rotating cage control module, an airflow control module and a dredging control module;
the power floating module is used for dynamically adjusting the power of the reactor in a corresponding power range according to the detection result of the treated sewage;
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;
the air current control module includes aerating device, 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, aerating device is used for breathing in from the external world to blow to biological rotating cage with the air current, the baffle that admits air is arranged in the auxiliary air current gets into biological rotating cage, and the air inflation controller is used for controlling aerating device's power, desilting control module includes desilting device and desilting machine controller, the desilting device sets up on the horizontal plane, and the desilting device includes scraper blade and desilting motor, and the desilting motor drives the scraper blade at surface of water reciprocating motion, and the scraper blade is used for gathering together the floated suspended solid with the surface of water and discharges, and desilting machine controller is used for controlling the power of desilting motor and then control the frequency of.
2. The sewage treatment intelligent regulation system based on simple control of claim 1, wherein: the detection parameters comprise pH data, DO data, SS data, temperature data, COD data, ammonia nitrogen data, total nitrogen data and total phosphorus data.
3. The sewage treatment intelligent regulation system based on simple control of claim 2, wherein: the water quality detection module comprises a monitoring parameter acquisition module and a water quality evaluation module, the water quality condition comprises three grades of better, general and worse, an evaluation model is stored in the water quality evaluation module, the evaluation model comprises corresponding scores of each monitoring parameter in different ranges, and the water quality evaluation module calculates a water quality score according to the evaluation model and the acquired detection parameters and determines the water quality condition according to the water quality score.
4. The intelligent sewage treatment regulation system based on simple control of claim 3 wherein: the system further comprises a reminding module, wherein the reminding module is used for reminding an operator after the water quality condition of the sewage to be treated is changed.
5. The intelligent sewage treatment regulation system based on simple control of claim 4 wherein: the water quality detection module is also used for detecting the monitoring parameters of the treated sewage and also comprises an alarm module which is used for giving an alarm after the monitoring parameters of the treated sewage exceed a preset value.
CN201810998611.8A 2018-08-29 2018-08-29 Sewage treatment intelligent regulation system based on simple control Active CN109133209B (en)

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Publication number Priority date Publication date Assignee Title
CN110006481A (en) * 2019-02-28 2019-07-12 重庆工商大学 Water quality monitoring equipment applied to sewage treatment
CN109917093A (en) * 2019-02-28 2019-06-21 重庆工商大学 Water quality monitoring system applied to sewage treatment
CN111612678B (en) * 2020-05-28 2023-06-09 重庆工商大学 Implementation method of sewage management cloud platform
CN112363424A (en) * 2020-10-16 2021-02-12 上海业跃信息科技有限公司 Water quality monitoring and scoring method and system
CN118221193B (en) * 2024-05-15 2024-09-17 四川省科源工程技术测试中心有限责任公司 System and method for treating polluted underground water of refuse landfill

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