CN213950917U - Wisdom sewage treatment control system - Google Patents
Wisdom sewage treatment control system Download PDFInfo
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- CN213950917U CN213950917U CN202022822407.6U CN202022822407U CN213950917U CN 213950917 U CN213950917 U CN 213950917U CN 202022822407 U CN202022822407 U CN 202022822407U CN 213950917 U CN213950917 U CN 213950917U
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Abstract
The utility model provides a wisdom sewage treatment control system, the system includes: the video monitoring subsystem is used for acquiring a source video image of the grating channel in real time and controlling the running state of the grating machine according to an image analysis result; the carbon source dosing adder is used for obtaining a carbon source dosing amount according to the first total nitrogen content value, the second total nitrogen content value and the COD value, and is also used for carrying out carbon source dosing according to the carbon source dosing amount; the acid-base blending and dosing subsystem is used for adjusting the pH value of the adjusting tank in real time; the PAC dosing subsystem is used for adjusting the total phosphorus monitoring value of the water outlet channel in real time; the reflux control subsystem is used for controlling the reflux amount of the sludge and the reflux amount of the digestive juice according to the environmental parameters of the anaerobic tank, the anoxic tank and the anaerobic tank; the problem of prior art's sewage treatment system's operation mainly carry out the regulation of equipment and management and control through the manual work is solved, realize sewage treatment plant automatic management, not only reduce artifical input, still guaranteed the quality and the stability of play water quality of water.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to a wisdom sewage treatment control system.
Background
The sewage treatment is generally carried out intensively by a sewage treatment plant, and the process flow of the sewage treatment plant comprises the following stages: pretreatment, biochemical treatment, tail end treatment and sludge disposal; wherein, the pretreatment mainly removes impurities and floating objects which are not dissolved in water, and adjusts the water quality and the water quantity; biochemical treatment mainly removes suspended matters and biochemically degradable organic matters, finishes the decomposition and conversion of the organic matters and converts part or all of organic pollutants into harmless substances; tail end treatment is carried out to disinfect tail water and enhance the quality of effluent water; the sludge treatment carries out drying treatment on the sludge generated in the plant area, reduces the water content of the sludge and is convenient for the later treatment of the sludge.
At present, most sewage treatment systems mainly comprise an electric control system, a liquid level system and the like, but the content measurement of pollutants in water and corresponding automatic measures are not complete and have poor controllability, so that the effluent can not be ensured to reach the standard stably, the operation management mainly depends on manual adjustment and regulation of facility equipment, the daily operation management has higher requirements on professional technology of operators, and the daily operation management needs 24 hours of all-weather observation and regulation.
Therefore, the operation of the sewage treatment system in the prior art mainly adjusts and controls equipment through manpower, so that the labor cost is increased, the stability of the effluent quality cannot be ensured, and the requirement of automation of a sewage treatment plant cannot be met.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model provides a pair of wisdom sewage treatment control system, its operation of having solved prior art's sewage treatment system mainly carries out the problem of the regulation and the management and control of equipment through the manual work, realizes the automatic management of sewage treatment plant, not only reduces artifical the input, has still guaranteed the quality and the stability of play water quality of water.
The utility model provides a wisdom sewage treatment control system, control system includes: the system comprises a video monitoring subsystem, a carbon source adding subsystem, an acid-base blending and adding subsystem, a PAC adding subsystem, a backflow control subsystem and a monitoring server; the video monitoring subsystem includes: the image acquisition device is used for acquiring a source video image of the grating channel in real time; the image processor is used for carrying out image analysis on the source video image and controlling the running state of the grating machine according to the image analysis result; the carbon source feeding and adding system comprises: the first total nitrogen water quality monitor is used for collecting a first total nitrogen content value of the water outlet channel; the second total nitrogen water quality monitor is used for acquiring a second total nitrogen content value of the regulating tank; the COD water quality monitor is used for collecting the COD value of the regulating tank; the carbon source controller is used for obtaining the carbon source adding amount according to the first total nitrogen content value, the second total nitrogen content value and the COD value; the carbon source metering pump is connected with the carbon source controller and is used for feeding the carbon source according to the feeding amount of the carbon source; the acid-base blending and dosing subsystem is used for adjusting the pH value of the adjusting tank in real time; the PAC dosing subsystem is used for adjusting the total phosphorus monitoring value of the water outlet channel in real time; the reflux control subsystem is used for controlling the reflux amount of the sludge and the reflux amount of the digestive juice according to the environmental parameters of the anaerobic tank, the anoxic tank and the anaerobic tank; the monitoring server is respectively connected with the video monitoring subsystem, the carbon source adding subsystem, the acid-base blending and medicine adding subsystem, the PAC adding subsystem and the backflow control subsystem.
Optionally, the acid-base blending and dosing subsystem comprises: a PH meter, an acid-base controller, a submersible stirrer, an acid solution metering pump and an alkali solution metering pump; the PH meter is used for collecting the PH value of the adjusting tank in real time; the acid-base controller is respectively connected with the PH meter, the submersible mixer, the acid solution metering pump and the alkali solution metering pump and is used for comparing the PH value with a first preset value and a second preset value, outputting a first control level and starting the alkali solution metering pump when the PH value is smaller than the first preset value, outputting a second control level and starting the acid solution metering pump when the PH value is larger than the second preset value, and also used for outputting a third control level and starting the submersible mixer.
Optionally, the PAC dosing subsystem comprises: a total phosphorus water quality monitor, an effluent flow meter, a total phosphorus controller and a PAC dosing metering pump; the total phosphorus water quality monitor is used for collecting a total phosphorus monitoring value of the water outlet channel; the water outlet flowmeter is used for collecting the flow value of the water outlet channel; the total phosphorus controller is respectively connected with the total phosphorus water quality monitor, the water outlet flow meter and the PAC dosing metering pump, is used for acquiring the adding amount of the PAC solution according to the total phosphorus monitoring value, the flow value and the concentration of the PAC solution in the PAC dosing metering pump, and is also used for controlling the adding time length of the PAC dosing metering pump according to the adding amount.
Optionally, the backflow control subsystem comprises: the device comprises a first sludge level meter, a first dissolved oxygen measuring instrument, a first electric valve, a sludge reflux pump and a reflux controller; the first mud level meter is used for collecting a first mud level value of the sedimentation tank; the first dissolved oxygen measuring instrument is used for collecting a first dissolved oxygen content value of the anaerobic pool; the reflux controller is respectively connected with the first mud level meter, the first dissolved oxygen measuring instrument, the control end of the first electric valve and the sludge reflux pump, is used for controlling the closing and opening of the first electric valve according to the first mud position and the dissolved oxygen content value, and is also used for controlling the starting and closing of the sludge reflux pump; the inlet end of the first electric valve is connected with the sludge outlet of the sedimentation tank, the outlet end of the first electric valve is connected with the inlet of the sludge reflux pump, the outlet of the sludge reflux pump is connected with the sludge inlet of the anaerobic tank, and the outlet of the sludge reflux pump is also connected with the sludge inlet end of the anoxic tank.
Optionally, the backflow control subsystem further comprises: a second dissolved oxygen meter and a digestive juice reflux pump; the second dissolved oxygen measuring instrument is used for collecting a second dissolved oxygen content value of the anoxic pond; the reflux controller is also connected with the second dissolved oxygen measuring instrument, the first total nitrogen water quality monitor, the digestive juice reflux pump and the digestive juice reflux pump, and is used for controlling the operation of the digestive juice reflux pump according to the second dissolved oxygen content value and the first total nitrogen content value.
Optionally, the backflow control subsystem further comprises: a third dissolved oxygen measuring instrument, a frequency converter and an aeration fan; the third dissolved oxygen measuring instrument is used for collecting a third dissolved oxygen content value of the aerobic tank; the reflux controller is also connected with the third dissolved oxygen measuring instrument, is also connected with the frequency converter, and is also used for comparing the third dissolved oxygen content value with a preset value and controlling the operating frequency of the frequency converter according to the comparison result; and the frequency converter is connected with the aeration fan and is used for controlling the air volume of the aeration fan according to the running frequency.
Optionally, the control system further comprises: and the supernatant recovery subsystem is used for recovering the supernatant of the sludge concentration tank to the regulating tank.
Optionally, the supernatant recovery subsystem comprises: the second mud level meter, the liquid level sensor, the supernatant controller and the supernatant reflux pump; the second sludge level meter is used for collecting a second sludge level value of the sludge concentration tank; the liquid level sensor is used for acquiring the liquid level value of the sludge concentration tank; and the supernatant controller is respectively connected with the second mud level meter, the liquid level sensor and the supernatant reflux pump, and is used for comparing the second mud level value and the liquid level value with corresponding preset values respectively and controlling the operation of the supernatant reflux pump according to the comparison result.
Optionally, the control system further comprises: and the disinfection dosing subsystem is used for comparing the residual chlorine amount of the effluent channel with a preset standard value and dosing the disinfection tank by a disinfection meter.
Optionally, the control system further comprises: and the sludge dewatering subsystem is used for dewatering the sludge output by the sludge concentration tank.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model senses the actual operation condition of the sewage treatment plant in real time through various sensors and an online monitoring subsystem, and forms a hardware sensing module of the embodiment; processing the real-time data acquired by the sensing module by utilizing big data application and data diagnosis processing application, analyzing the operation condition of the factory and transmitting a working condition adjusting instruction to form the data processing module of the embodiment; according to the working condition adjusting instruction transmitted by the data processing module, the operating equipment is adjusted by using a frequency converter or a flow adjusting device and the like, the normal operation of a factory is kept, the full-automatic intelligent operation of the factory is realized, and the control module of the embodiment is formed; consequently the utility model discloses a "hardware perception module + data processing module + control module" realizes the complete automatic adjustment operation management of sewage treatment plant, reduces artifical the input by a wide margin. Meanwhile, the 'big data application' in the data processing module can collect the running data of the factory during running, and form the diagnosis basis of the running working condition of the factory, so that the logic of the optimization control system is continuously learned, the sewage treatment plant can be continuously and stably and healthily operated, the problem that the running of the sewage treatment system in the prior art is mainly adjusted and controlled manually is solved, the automatic management of the sewage treatment plant is realized, the manual input is reduced, and the quality and the stability of the effluent quality are also ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an intelligent sewage treatment control system according to an embodiment of the present invention;
fig. 2 shows an application scenario diagram of the intelligent sewage treatment control system provided by the embodiment of the present invention.
Description of reference numerals: v video monitoring, NW mud level meter, TP total phosphorus water quality monitor, YW level sensor, MLSS mud concentration meter, NH3 ammonia nitrogen water quality monitor, PH meter, DO dissolved oxygen measuring apparatu, TN total nitrogen water quality monitor, FL open channel flowmeter, ORP redox unit meter, COD COD COD water quality monitor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. The functional units of the same reference numerals in the examples of the present invention have the same and similar structures and functions.
Fig. 1 is a schematic structural diagram of an intelligent sewage treatment control system provided in an embodiment of the present invention, as shown in fig. 1, the intelligent sewage treatment control system 100 provided in this embodiment specifically includes:
a video monitoring subsystem 110, a carbon source dosing subsystem 120, an acid-base blending dosing subsystem 130, a PAC dosing subsystem 140, a reflux control subsystem 150 and a monitoring server 160;
the video surveillance subsystem 110 includes: the image acquisition device is used for acquiring a source video image of the grating channel in real time; an image processor for performing image analysis on the source video image and controlling the operation state of the grill machine 200 according to the image analysis result;
the carbon source feeder subsystem 120 includes: the first total nitrogen water quality monitor is used for collecting a first total nitrogen content value of the water outlet channel; the second total nitrogen water quality monitor is used for acquiring a second total nitrogen content value of the regulating tank; the COD water quality monitor is used for collecting the COD value of the regulating tank; the carbon source controller is used for obtaining the carbon source adding amount according to the first total nitrogen content value, the second total nitrogen content value and the COD value; the carbon source metering pump is connected with the carbon source controller and is used for feeding the carbon source according to the feeding amount of the carbon source;
the acid-base blending and dosing subsystem 130 is used for adjusting the pH value of the adjusting tank in real time;
the PAC adding subsystem 140 is used for adjusting the total phosphorus monitoring value of the water outlet channel in real time;
the reflux control subsystem 150 is used for controlling the reflux amount of the sludge and the reflux amount of the digestive juice according to the environmental parameters of the anaerobic tank, the anoxic tank and the anaerobic tank;
the monitoring server 160 is respectively connected to the video monitoring subsystem 110, the carbon source dosing subsystem 120, the acid-base blending dosing subsystem 130, the PAC dosing subsystem 140, and the backflow control subsystem 150.
It should be noted that the embodiment of the present invention provides a pretreatment stage in a sewage treatment process section applied by the intelligent sewage treatment control system 100, which includes a grid channel and an adjusting tank, wherein a biochemical treatment stage includes an anaerobic tank, an anoxic tank and an aerobic tank, a tail end treatment stage includes a sedimentation tank, a disinfection tank and an outlet channel, and a sludge treatment stage includes a sludge concentration tank and a desliming machine system.
In this embodiment, the video monitoring subsystem 110 collects source video images of the grid ditch in real time, analyzes the source video images to determine whether a large amount of impurities exist, sends a control signal to the grid machine when a large amount of impurities exist, controls the grid machine to automatically operate, and informs an operator on duty to clear grid slag by sending a short message, a WeChat and a telephone.
In this embodiment, the carbon source adding subsystem 120 collects a first total nitrogen content value of the water outlet channel, a second total nitrogen content value of the regulating tank collected by the second total nitrogen water quality monitor and a COD value of the regulating tank collected by the COD water quality monitor through the first total nitrogen water quality monitor, compares the first total nitrogen content value with a set standard value, and determines whether the total nitrogen content of the water outlet channel exceeds the standard. And comparing the ratio of the COD value of the regulating tank to the second total nitrogen content value with a preset ratio to judge whether the regulating tank has carbon-nitrogen ratio imbalance, and if the carbon-nitrogen ratio of the regulating tank is unbalanced, starting the carbon source metering pump to feed the carbon source by the carbon source controller so as to keep the total nitrogen content value of the water outlet channel within a normal range.
In this embodiment, the acid-base blending and dosing subsystem 130 adjusts the dosing system according to a PH meter of the adjusting tank to keep PH of the adjusting tank within a range of 6.8 to 8.5, and the detailed control method includes: when the PH value is in the set value range, the acid-base blending and dosing system is not started, when the PH value is lower than 6.5, the alkaline solution metering pump is started, the regulating reservoir stirrer is started, when the PH value reaches 7, the alkaline solution metering pump is closed, when the PH value is higher than 8.5, the acid solution metering pump is started, the regulating reservoir stirrer is started, and when the PH value falls back to 7, the acid solution metering pump is closed.
In this embodiment, the PAC adding subsystem 140 automatically adjusts the total phosphorus monitoring value of the water outlet channel, and the reflux control subsystem controls the sludge reflux amount and the reflux amount of the digestion solution according to the environmental parameters of the anaerobic tank, the anoxic tank and the anaerobic tank; the monitoring server is respectively connected with the video monitoring subsystem, the carbon source adding subsystem, the acid-base blending and medicine adding subsystem, the PAC adding subsystem and the backflow control subsystem, and is used for summarizing and displaying the parameters and adding amount acquired in all the subsystems in real time so as to provide timely and effective monitoring data for operators on duty.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model senses the actual operation condition of the sewage treatment plant in real time through various sensors and an online monitoring subsystem, and forms a hardware sensing module of the embodiment; processing the real-time data acquired by the sensing module by utilizing big data application and data diagnosis processing application, analyzing the operation condition of the factory and transmitting a working condition adjusting instruction to form the data processing module of the embodiment; according to the working condition adjusting instruction transmitted by the data processing module, the operating equipment is adjusted by using a frequency converter or a flow adjusting device and the like, the normal operation of a factory is kept, the full-automatic intelligent operation of the factory is realized, and the control module of the embodiment is formed; consequently the utility model discloses a "hardware perception module + data processing module + control module" realizes the complete automatic adjustment operation management of sewage treatment plant, reduces artifical the input by a wide margin. Meanwhile, the 'big data application' in the data processing module can collect the running data of the factory during running, and form the diagnosis basis of the running working condition of the factory, so that the logic of the optimization control system is continuously learned, the sewage treatment plant can be continuously and stably and healthily operated, the problem that the running of the sewage treatment system in the prior art is mainly adjusted and controlled manually is solved, the automatic management of the sewage treatment plant is realized, the manual input is reduced, and the quality and the stability of the effluent quality are also ensured.
Fig. 2 is a view showing an application scenario of an intelligent sewage treatment control system according to an embodiment of the present invention; as shown in fig. 2, in this embodiment, the acid-base blending and dosing subsystem includes: a PH meter, an acid-base controller, a submersible stirrer, an acid solution metering pump and an alkali solution metering pump; the PH meter is used for collecting the PH value of the adjusting tank in real time; the acid-base controller is respectively connected with the PH meter, the submersible mixer, the acid solution metering pump and the alkali solution metering pump and is used for comparing the PH value with a first preset value and a second preset value, outputting a first control level and starting the alkali solution metering pump when the PH value is smaller than the first preset value, outputting a second control level and starting the acid solution metering pump when the PH value is larger than the second preset value, and also used for outputting a third control level and starting the submersible mixer.
In this embodiment, the PAC dosing subsystem includes: a total phosphorus water quality monitor, an effluent flow meter, a total phosphorus controller and a PAC dosing metering pump; the total phosphorus water quality monitor is used for collecting a total phosphorus monitoring value of the water outlet channel; the water outlet flowmeter is used for collecting the flow value of the water outlet channel; the total phosphorus controller is respectively connected with the total phosphorus water quality monitor, the water outlet flow meter and the PAC dosing metering pump, is used for acquiring the adding amount of the PAC solution according to the total phosphorus monitoring value, the flow value and the concentration of the PAC solution in the PAC dosing metering pump, and is also used for controlling the adding time length of the PAC dosing metering pump according to the adding amount.
In this embodiment, the backflow control subsystem includes: the device comprises a first sludge level meter, a first dissolved oxygen measuring instrument, a first electric valve, a sludge reflux pump and a reflux controller; the first mud level meter is used for collecting a first mud level value of the sedimentation tank; the first dissolved oxygen measuring instrument is used for collecting a first dissolved oxygen content value of the anaerobic pool; the reflux controller is respectively connected with the first mud level meter, the first dissolved oxygen measuring instrument, the control end of the first electric valve and the sludge reflux pump, is used for controlling the closing and opening of the first electric valve according to the first mud position and the dissolved oxygen content value, and is also used for controlling the starting and closing of the sludge reflux pump; the inlet end of the first electric valve is connected with the sludge outlet of the sedimentation tank, the outlet end of the first electric valve is connected with the inlet of the sludge reflux pump, the outlet of the sludge reflux pump is connected with the sludge inlet of the anaerobic tank, and the outlet of the sludge reflux pump is also connected with the sludge inlet end of the anoxic tank.
In this embodiment, the backflow control subsystem further includes: a second dissolved oxygen meter and a digestive juice reflux pump; the second dissolved oxygen measuring instrument is used for collecting a second dissolved oxygen content value of the anoxic pond; the reflux controller is also connected with the second dissolved oxygen measuring instrument, the first total nitrogen water quality monitor, the digestive juice reflux pump and the digestive juice reflux pump, and is used for controlling the operation of the digestive juice reflux pump according to the second dissolved oxygen content value and the first total nitrogen content value.
In this embodiment, the backflow control subsystem further includes: a third dissolved oxygen measuring instrument, a frequency converter and an aeration fan; the third dissolved oxygen measuring instrument is used for collecting a third dissolved oxygen content value of the aerobic tank; the reflux controller is also connected with the third dissolved oxygen measuring instrument, is also connected with the frequency converter, and is also used for comparing the third dissolved oxygen content value with a preset value and controlling the operating frequency of the frequency converter according to the comparison result; and the frequency converter is connected with the aeration fan and is used for controlling the air volume of the aeration fan according to the running frequency.
In this embodiment, the control system further includes: and the supernatant recovery subsystem is used for recovering the supernatant of the sludge concentration tank to the regulating tank.
In this embodiment, the supernatant recovery subsystem includes: the second mud level meter, the liquid level sensor, the supernatant controller and the supernatant reflux pump; the second sludge level meter is used for collecting a second sludge level value of the sludge concentration tank; the liquid level sensor is used for acquiring the liquid level value of the sludge concentration tank; and the supernatant controller is respectively connected with the second mud level meter, the liquid level sensor and the supernatant reflux pump, and is used for comparing the second mud level value and the liquid level value with corresponding preset values respectively and controlling the operation of the supernatant reflux pump according to the comparison result.
In this embodiment, the control system further includes: and the disinfection dosing subsystem is used for comparing the residual chlorine amount of the effluent channel with a preset standard value and dosing the disinfection tank by a disinfection meter.
In this embodiment, the control system further includes: and the sludge dewatering subsystem is used for dewatering the sludge output by the sludge concentration tank.
It should be noted that, as shown in fig. 2, for the treatment significance and the supporting equipment of each stage of sewage treatment, the hardware and the control content of the intelligent sewage treatment control system provided in this embodiment are as follows:
the working process of each subsystem in the embodiment is as follows:
(1) mechanical grating: and (4) starting the grating machine when the video monitors that a large amount of impurities exist in the grating channel, and informing the operator to carry out clearing when the grating slag of the grating machine reaches the external transportation amount.
(2) Adjusting pool dive mixer: and working according to the set water level, starting when the regulating tank reaches the pump starting water level, and stopping when the regulating tank reaches the pump stopping water level.
(3) Adjusting a tank lift pump: and working according to the set water level, starting when the regulating tank reaches the pump starting water level, and stopping when the regulating tank reaches the pump stopping water level.
(4) A carbon source adding subsystem: manually preparing a carbon source solution with a certain concentration of X1mg/L, and comparing the detected value TN of Xmg/L with a set standard value X2mg/L according to the detected value TN of the water quality monitoring equipment of the water outlet channel to judge whether the carbon source solution exceeds the standard or not. Then, the detection value COD of the regulating tank water quality monitoring device is X3mg/L, TN is X4mg/L, the ratio of X3/X4 is compared with a set value M, whether the carbon-nitrogen ratio of the inlet water is unbalanced is judged, if the carbon-nitrogen ratio of the inlet water is unbalanced, a carbon source adding system is started, and the adding amount Y (L/h) is calculated: y is 5(X-X2) Q/(N X1), wherein the effluent flow rate Q (L/h), and N is the COD equivalent of the corresponding carbon source, as specified in the following table:
(5) acid-base mediation adds medicine subsystem: adjusting a dosing system according to a pH meter of the adjusting tank to keep the pH of the adjusting tank within the range of 6.8-8.5, and specifically controlling the method: when the PH value is in the set value range, the acid-base blending and dosing system is not started, when the PH value is lower than 6.5, the alkaline solution metering pump is started, the regulating reservoir stirrer is started, when the PH value reaches 7, the alkaline solution metering pump is closed, when the PH value is higher than 8.5, the acid solution metering pump is started, the regulating reservoir stirrer is started, and when the PH value falls back to 7, the acid solution metering pump is closed.
(6) An aeration fan: according to the DO level of the aerobic tank, the air volume of the aeration fan is controlled through a frequency converter, the DO of the aerobic tank is controlled within a reasonable range, and the detailed control method comprises the following steps: setting 3-level control content, setting a dissolved oxygen set value of M1-M2 (mg/L), increasing power of the variable-frequency control aeration fan when a DO measured value is smaller than M1, keeping the variable-frequency control aeration fan at normal aeration power when the DO measured value is between M1 and M2, reducing power of the variable-frequency control aeration fan when the DO measured value is larger than M2, closing the aeration fan if the DO value continuously rises, and starting the aeration fan after the DO value falls back to M1, thus keeping the dissolved oxygen DO in the aeration tank within a reasonable range.
(7) PAC dosing subsystem: judging whether chemical enhanced phosphorus removal is needed or not according to the online monitoring value of total phosphorus in inlet and outlet water, adjusting the PAC dosage, and calculating the dosage by the following steps: the monitoring value of the total phosphorus of the effluent is X1(mg/L), the standard to be achieved is X2(mg/L), the PAC configuration concentration C (mg/L), the Al2O3 content N in solid PAC, the effective Al content in Al2O3 is 15.9 percent, and the effluent flow rate M (M/L)3And h), the adding amount Y (L/h), the PAC adding amount Y is calculated according to the formula Y of 27000(X1-X2) M/(31X 15.9% C N), and the flow rate of the medicine adding metering pump is adjusted according to the calculation result.
(8) A sludge reflux pump: controlling the sludge reflux flow according to a sludge concentration meter, a sludge level meter, a sludge reflux flowmeter and an anaerobic tank DO, wherein the control method comprises the following steps: the sludge reflux is continuously started, and the sludge reflux amount is adjusted when the following conditions are met. Increasing the sludge backflow amount when a sludge level meter detects a high sludge level; and secondly, when the DO of the anaerobic tank is higher than 0.2mg/L, the sludge reflux amount is reduced.
(9) Nitrifying liquid reflux pump: adjusting the reflux quantity of the nitrifying liquid according to the measured values of the DO and the TN of the effluent of the anoxic tank, so that the DO of the anoxic tank is maintained at 0.3-0.8mg/L, and the TN of the effluent reaches the standard.
(10) Arrange mud electric valve: according to the sludge concentration M1(mg/L) of the aerobic tank and the total effective volume V1 (M) of the reactor3) Calculating the total amount of sludge in the reactor, and controlling the discharge amount of sludge according to the set sludge age theta, wherein the discharge amount is measured by an excess sludge concentration meter M2(mg/L) and an excess sludge flow meter Q2 (M)3The mud discharging time T (h) is calculated, when the mud discharging time is up, the mud discharging electric valve is opened, and when the discharge reaches the discharge capacity, the electric valve is closed, and the discharge capacity calculating method comprises the following steps: m2 × Q2 × T — M1 × V1/θ.
(11) Supernatant liquid discharge electric valve: the mud storage tank liquid level meter and the mud level meter are jointly controlled, when the liquid level is at a high liquid level and the mud level is at a low level, the electric valve is opened, and supernatant of the mud storage tank is discharged.
(12) A sludge dewatering system: according to the mud level meter of the mud storage tank and the set time linkage control, the dewatering machine is carried out by adopting a self-contained control system of the equipment, and the master control system only controls the starting of the desliming work.
(13) And (3) a disinfection dosing subsystem: and comparing the residual chlorine amount of the effluent detected by the effluent residual chlorine detector with a set standard value, and controlling the disinfection dosing pump to increase or decrease the dosing amount.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an wisdom sewage treatment control system which characterized in that, control system includes:
the system comprises a video monitoring subsystem, a carbon source adding subsystem, an acid-base blending and adding subsystem, a PAC adding subsystem, a backflow control subsystem and a monitoring server;
the video monitoring subsystem includes: the image acquisition device is used for acquiring a source video image of the grating channel in real time; the image processor is used for carrying out image analysis on the source video image and controlling the running state of the grating machine according to the image analysis result;
the carbon source adding subsystem comprises: the first total nitrogen water quality monitor is used for collecting a first total nitrogen content value of the water outlet channel; the second total nitrogen water quality monitor is used for acquiring a second total nitrogen content value of the regulating tank; the COD water quality monitor is used for collecting the COD value of the regulating tank; the carbon source controller is used for obtaining the carbon source adding amount according to the first total nitrogen content value, the second total nitrogen content value and the COD value; the carbon source metering pump is connected with the carbon source controller and is used for feeding the carbon source according to the feeding amount of the carbon source;
the acid-base blending and dosing subsystem is used for adjusting the pH value of the adjusting tank in real time;
the PAC dosing subsystem is used for adjusting the total phosphorus monitoring value of the water outlet channel in real time;
the reflux control subsystem is used for controlling the reflux amount of the sludge and the reflux amount of the digestive juice according to the environmental parameters of the anaerobic tank, the anoxic tank and the anaerobic tank;
the monitoring server is respectively connected with the video monitoring subsystem, the carbon source adding subsystem, the acid-base blending and medicine adding subsystem, the PAC adding subsystem and the backflow control subsystem.
2. The intelligent wastewater treatment control system of claim 1, wherein the acid-base blending and dosing subsystem comprises:
a PH meter, an acid-base controller, a submersible stirrer, an acid solution metering pump and an alkali solution metering pump;
the PH meter is used for collecting the PH value of the adjusting tank in real time;
and the acid-base controller is respectively connected with the PH meter, the submersible stirrer, the acid solution metering pump and the alkali solution metering pump.
3. The intelligent wastewater treatment control system of claim 1, wherein the PAC dosing subsystem comprises:
a total phosphorus water quality monitor, an effluent flow meter, a total phosphorus controller and a PAC dosing metering pump;
the total phosphorus water quality monitor is used for collecting a total phosphorus monitoring value of the water outlet channel;
the water outlet flowmeter is used for collecting the flow value of the water outlet channel;
and the total phosphorus controller is respectively connected with the total phosphorus water quality monitor, the water outlet flow meter and the PAC dosing metering pump.
4. The intelligent wastewater treatment control system of claim 1, wherein the backflow control subsystem comprises:
the device comprises a first sludge level meter, a first dissolved oxygen measuring instrument, a first electric valve, a sludge reflux pump and a reflux controller;
the first mud level meter is used for collecting a first mud level value of the sedimentation tank;
the first dissolved oxygen measuring instrument is used for collecting a first dissolved oxygen content value of the anaerobic pool;
the reflux controller is respectively connected with the first sludge level meter, the first dissolved oxygen measuring instrument, the control end of the first electric valve and the sludge reflux pump;
the inlet end of the first electric valve is connected with the sludge outlet of the sedimentation tank, the outlet end of the first electric valve is connected with the inlet of the sludge reflux pump, the outlet of the sludge reflux pump is connected with the sludge inlet of the anaerobic tank, and the outlet of the sludge reflux pump is also connected with the sludge inlet end of the anoxic tank.
5. The intelligent wastewater treatment control system of claim 4, wherein the backflow control subsystem further comprises:
a second dissolved oxygen meter and a digestive juice reflux pump;
the second dissolved oxygen measuring instrument is used for collecting a second dissolved oxygen content value of the anoxic pond;
the reflux controller is also connected with the second dissolved oxygen measuring instrument, the first total nitrogen water quality monitor and the digestive juice reflux pump.
6. The intelligent wastewater treatment control system of claim 5, wherein the backflow control subsystem further comprises:
a third dissolved oxygen measuring instrument, a frequency converter and an aeration fan;
the third dissolved oxygen measuring instrument is used for collecting a third dissolved oxygen content value of the aerobic tank;
the backflow controller is also connected with the third dissolved oxygen measuring instrument and the frequency converter, and the frequency converter is connected with the aeration fan.
7. The intelligent sewage treatment control system of claim 1 wherein the control system further comprises:
and the supernatant recovery subsystem is used for recovering the supernatant of the sludge concentration tank to the regulating tank.
8. The intelligent sewage treatment control system of claim 7 wherein the supernatant recovery subsystem comprises:
the second mud level meter, the liquid level sensor, the supernatant controller and the supernatant reflux pump;
the second sludge level meter is used for collecting a second sludge level value of the sludge concentration tank;
the liquid level sensor is used for acquiring the liquid level value of the sludge concentration tank;
and the supernatant controller is respectively connected with the second mud level meter, the liquid level sensor and the supernatant reflux pump.
9. The intelligent sewage treatment control system of claim 8 wherein the control system further comprises:
and the disinfection dosing subsystem is used for dosing the disinfectant into the disinfection tank.
10. The intelligent sewage treatment control system of claim 9 wherein the control system further comprises:
and the sludge dewatering subsystem is used for dewatering the sludge output by the sludge concentration tank.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645536A (en) * | 2020-11-30 | 2021-04-13 | 重庆尚泽源环保科技有限公司 | Sewage treatment control method, device and system |
| CN114920428A (en) * | 2022-06-14 | 2022-08-19 | 中晟和源(北京)环保科技有限公司 | Control system for intelligent operation of sewage treatment plant |
| CN115108644A (en) * | 2022-07-07 | 2022-09-27 | 迈邦（北京）环保工程有限公司 | Online nutrient element adding method, device, equipment and storage medium |
| CN116282639A (en) * | 2023-01-30 | 2023-06-23 | 安徽省通源环境节能股份有限公司 | Multi-medium membrane mud symbiotic sewage purification process system and equipment |
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2020
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645536A (en) * | 2020-11-30 | 2021-04-13 | 重庆尚泽源环保科技有限公司 | Sewage treatment control method, device and system |
| CN114920428A (en) * | 2022-06-14 | 2022-08-19 | 中晟和源(北京)环保科技有限公司 | Control system for intelligent operation of sewage treatment plant |
| CN115108644A (en) * | 2022-07-07 | 2022-09-27 | 迈邦（北京）环保工程有限公司 | Online nutrient element adding method, device, equipment and storage medium |
| CN116282639A (en) * | 2023-01-30 | 2023-06-23 | 安徽省通源环境节能股份有限公司 | Multi-medium membrane mud symbiotic sewage purification process system and equipment |
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