CN114315006A - Control treatment method of sewage treatment equipment based on SBR method - Google Patents
Control treatment method of sewage treatment equipment based on SBR method Download PDFInfo
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Abstract
The invention discloses a control treatment method of sewage treatment equipment based on an SBR method, which comprises the following steps: introducing the supernatant of the precipitated sewage into an anaerobic tank for anaerobic treatment; the first air stripping pump discharges the sewage after the anaerobic treatment to an aerobic tank; introducing the supernatant of the sewage after anaerobic treatment into an aerobic tank for aerobic treatment; a second air stripping pump is arranged in the aerobic tank, and the second air stripping pump discharges the sewage subjected to aerobic treatment to a clean water tank; the clean water tank is used for further carrying out disinfection and sterilization treatment on the sewage subjected to aerobic treatment, a signal adjusting circuit is further arranged between the liquid level sensor and the controller and used for carrying out frequency selection and amplification treatment on the signals, obtaining signals required by a user and filtering useless signals, so that the signals are accurately treated, the phenomena of controller misjudgment and the like are prevented, and the step error of sewage treatment is avoided. By adopting the invention, the sewage can be accurately treated, so that the sewage becomes clear water.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to sewage treatment equipment based on an SBR method and a control method.
Background
In daily life of people, a lot of waste water and garbage are produced, and some small towns below the city have imperfect drainage facilities without a standard sewage treatment method, so that the phenomenon of cross flow of sewage and domestic sewage often occurs, and the domestic sewage permeates into the ground bottom and easily pollutes water resources and soil quality of soil; meanwhile, domestic garbage is randomly stacked, and after rainstorm comes, sewage and domestic garbage flow into rivers or farmlands along with rainwater, so that white pollution is caused, water quality is influenced, and environmental sanitation is also influenced. Especially in cold, poor regions, sewage treatment projects cannot be operated and operating costs are high.
The SBR process is a centuries traditional sewage treatment process produced in the United kingdom in 1914, and is called a sequencing batch activated sludge process for short. Has the advantages of simple process flow, high treatment efficiency, flexible operation mode, investment saving and the like. The control technology has not been regarded as important. In the late 20 th century and 80 s, computer technology and instruments are paid attention again after they are mature. The domestic research focuses mainly on small and medium-sized sewage treatment plants, the popularization rate is about 30-40%, and the method is one of six mainstream processes. Is recommended to be a preferred process of small and medium-sized sewage treatment plants by Qinghua university Qianyi academy, Hough Zhang academy and the like. However, it has not been found in a small-sized sewage treatment plant and an integrated sewage treatment plant. Namely, the blank exists, and particularly, the aspects of mature, sizing, standardization and modularization equipment are originated. The domestic rural sewage treatment is just started, and the small and miniature sewage treatment equipment suitable for single-family and multi-family rural households is extremely short and inconsistent in standard, the effluent quality standard is not high, and the effluent quality standard can only reach the three-level standard of the local standard. Therefore, it is urgently needed to design a control treatment method of sewage treatment equipment to improve the living environment of people and improve the living quality of people according to the situation of the areas.
In addition, some sensors such as a liquid level sensor and a water quality sensor are often used in the sewage treatment process, signals acquired by the sensors need to be processed by a controller, and the signals acquired by the sensors are often weak in signal, easy to interfere and the like, so that the controller often has the phenomena of misjudgment and the like, and the sewage treatment step is wrong. Therefore, it is urgently needed to design a sewage treatment method aiming at the situation of the areas so as to improve the living environment of people and improve the life quality of people.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a control treatment method for sewage treatment equipment based on the SBR method, which can realize accurate treatment of sewage and make the sewage become clear water.
Based on the above, the invention provides a control treatment method of sewage treatment equipment based on an SBR method, which comprises the following steps:
sewage is pretreated (automatically flows in) through a grating pool;
introducing (automatically flowing) the supernatant of the pretreated sewage into a pool 1 (an anaerobic pool) for anaerobic treatment;
a first air stripping pump is arranged in the anaerobic tank, compressed air is introduced into the first air stripping pump, and the water quantity obtained through complex calculation under dozens of modes is stripped to a tank 2 (aerobic tank);
introducing the supernatant of the sewage after the anaerobic treatment into an aerobic tank for aerobic treatment, and repeatedly carrying out anaerobic treatment, anoxic treatment, aeration and pause in an aerobic stage to finally carry out precipitation in a certain time period;
and a second air stripping pump is arranged in the aerobic tank, compressed air is introduced into the second air stripping pump, the water quantity obtained through complex calculation under more than ten modes is stripped to a tank 3 (a clean water tank), and the clean water tank is used for further disinfecting and sterilizing the sewage subjected to aerobic treatment so as to achieve the standard for discharge.
And a third stripping pump is arranged in the aerobic tank, and the third stripping pump strips the water quantity obtained through complex calculation under dozens of modes to a tank 1 (anaerobic tank) (called as sludge reflux), so that the whole sewage treatment process of one batch is completed.
The experience after the long-term practice summary is accumulated and is programmed into dozens of operation modes, so that the 'fool' full-automatic stable operation of the small sewage treatment equipment is realized, and the method is still initiated at home.
Wherein, the control program and the method also compile more than 10 advanced treatment programs for users to choose, and the advanced treatment programs are mainly used for the advanced treatment of sewage, such as a carbon adding module, a chlorine adding module, a phosphorus removing module, a sand rate module, a convenient module, a remote control module and the like.
Wherein, a decolorizing agent, polyaluminium chloride and polyacrylamide are sequentially added into the aerobic tank.
Wherein, the clean water basin top sets up water level detection device including consecutive level sensor, controller and wireless transceiver, level sensor is used for gathering the liquid level data in clean water basin, and will liquid level data send to the controller.
The liquid level sensor and the controller comprise a signal adjusting circuit, and the signal adjusting circuit comprises a frequency selecting circuit, an isolating circuit and an amplifying circuit which are sequentially connected. The signal adjusting circuit is used for carrying out frequency selection and amplification processing on signals, obtaining signals required by a user, filtering useless signals, realizing accurate processing on the signals, and preventing the phenomena of misjudgment of a controller and the like.
The frequency selection circuit comprises a first inductor L1, a second inductor L2, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4 and a fifth capacitor C5; the output end of the liquid level sensor is respectively connected with one end of a first inductor L1, one end of a first capacitor C1 and one end of a second capacitor C2, the other end of the first inductor L1 is respectively connected with one end of a second inductor L2 and one end of a third capacitor C3, the other end of the second inductor L2 is respectively connected with the input end of the isolation circuit and one end of a fourth capacitor C4, one end of a fifth capacitor C5 and the other end of the fourth capacitor C4 are connected with the other end of the second capacitor C2, and the other end of the first capacitor C1, the other end of the third capacitor C3 and the other end of the fifth capacitor C5 are respectively grounded.
The frequency selection circuit is used for selecting signals in a preset frequency range according with the requirements of users.
The isolation circuit comprises a first operational amplifier AR1, a non-inverting input terminal of the first operational amplifier AR1 is connected to an output terminal of the frequency selecting circuit, an inverting input terminal of the first operational amplifier AR1 is connected to an output terminal of the first operational amplifier AR1, and an output terminal of the first operational amplifier AR1 is further connected to an input terminal of the amplifying circuit.
The isolation circuit is used for isolating the influence between the frequency selection circuit and the amplification circuit.
The amplifying circuit comprises a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a first triode T1 and a second operational amplifier AR 2; one end of the first resistor R1 is connected to the output end of the isolation circuit, the other end of the first resistor R1 is connected to one end of the second resistor R2 and the base of the first transistor T1, the other end of the second resistor R2 is connected with an external voltage VCC, the collector of the first triode T1 is connected with the external voltage VCC, an emitter of the first triode T1 is respectively connected to one end of the third resistor R3 and the inverting input terminal of the second operational amplifier AR2, the other end of the third resistor R3 is grounded, the non-inverting input terminal of the second operational amplifier AR2 is grounded, the inverting input terminal of the second op amp AR2 is further connected to one end of the fourth resistor R4 and one end of the fifth resistor R5 respectively, the other end of the fourth resistor R4 is grounded, and the other end of the fifth resistor R5 is connected to the output end of the second op amp AR 2.
Amplifying circuit connects the AD converter, the AD converter with the controller links to each other, the controller will liquid level data compares with predetermineeing liquid level data threshold value, if liquid level data surpasss predetermine liquid level data threshold value, then the controller passes through wireless transceiver sends close signal extremely first solenoid valve, second solenoid valve.
By adopting the invention, sewage in a sewer or other places is stored in the grid pond, and the grid pond is used for precipitating the sewage, so that harmful substances in the sewage form precipitates, and the sewage entering the anaerobic pond has no large foreign matters. The anaerobic tank is used for carrying out anaerobic treatment on the sewage, and the anaerobic treatment has the effects of hydrolyzing, acidifying and methanation organic matters by utilizing the effect of anaerobic bacteria, removing the organic matters in the wastewater, improving the biodegradability of the sewage and being beneficial to subsequent aerobic treatment. Compressed air is injected into an air stripping pump of the anaerobic tank, the air stripping pump discharges upper liquid in the anaerobic tank to the aerobic tank, and the aerobic tank is used for carrying out biological metabolism by utilizing aerobic microorganisms (including facultative microorganisms) in the presence of oxygen so as to degrade organic matters, so that the organic matters are stabilized and harmless. The microorganism takes organic pollutants in water as a substrate to carry out aerobic metabolism, releases energy step by step through a series of biochemical reactions, and finally stabilizes the organic pollutants with low energy level. Compressed air is injected into an air lift pump of the aerobic tank, the air lift pump discharges upper-layer liquid in the aerobic tank to the clean water tank, after sewage enters the aerobic tank and is precipitated for a period of time, the last-time liquid is a clean liquid, and the clean water tank is used for further disinfecting the entering clean water. By adopting the invention, the sewage can be treated to make the sewage become clear water. In the invention, a liquid level sensor and a controller are also used, a signal adjusting circuit is also arranged between the liquid level sensor and the controller, and the signal adjusting circuit comprises a frequency selecting circuit, an isolating circuit and an amplifying circuit which are sequentially connected. The signal adjusting circuit is used for carrying out frequency selection and amplification processing on signals, obtaining signals required by a user, filtering useless signals, realizing accurate processing on the signals, preventing the phenomena of misjudgment of a controller and the like, and avoiding the occurrence of errors in sewage treatment steps.
Drawings
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a control treatment method of a sewage treatment plant based on the SBR method according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a signal adjusting circuit according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
FIG. 1 is a schematic view of a control treatment method of a sewage treatment plant based on the SBR method, which comprises the following steps:
sending the sewage into a grid pool for sedimentation;
introducing supernatant of the precipitated sewage into a tank 1, namely an anaerobic tank for anaerobic treatment;
a first air stripping pump is arranged in the anaerobic tank, compressed air is introduced into the first air stripping pump, and the first air stripping pump discharges the sewage subjected to anaerobic treatment to a tank 2, namely an aerobic tank;
introducing the supernatant of the sewage after anaerobic treatment into an aerobic tank for aerobic treatment;
a second air stripping pump is arranged in the aerobic tank, compressed air is introduced into the second air stripping pump, the second air stripping pump discharges the sewage subjected to aerobic treatment and flows back to the anaerobic tank, and when the reflux frequency reaches a preset value, the sewage flows to a tank 3, namely a clean water tank from the aerobic tank;
and the clean water tank is used for further carrying out disinfection and sterilization treatment on the sewage subjected to the aerobic treatment.
Sewage is pretreated (automatically flows in) through a grating pool;
introducing (automatically flowing) the supernatant of the pretreated sewage into a pool 1 (an anaerobic pool) for anaerobic treatment;
a first air stripping pump is arranged in the anaerobic tank, compressed air is introduced into the first air stripping pump, and the water quantity obtained through complex calculation under dozens of modes is stripped to a tank 2 (aerobic tank);
introducing the supernatant of the sewage after the anaerobic treatment into an aerobic tank for aerobic treatment, and repeatedly carrying out anaerobic treatment, anoxic treatment, aeration and pause in an aerobic stage to finally carry out precipitation in a certain time period;
a second air stripping pump is arranged in the aerobic tank, compressed air is introduced into the second air stripping pump, the water quantity obtained through complex calculation under more than ten modes is stripped to a tank 3 (a clean water tank), and the clean water tank is used for further disinfecting and sterilizing the sewage subjected to aerobic treatment and discharging the sewage after reaching the standard;
and a third stripping pump is arranged in the aerobic tank, and the third stripping pump strips the water quantity obtained through complex calculation under dozens of modes to a tank 1 (anaerobic tank) (called as sludge reflux), so that the whole sewage treatment process of one batch is completed.
Wherein, send sewage into the grid pond and deposit including:
adding coagulant and/or flocculant into sewage, mixing to form floc, and adding water with density of 0.95-4g/cm3And at least the surface of the particles with the particle diameter of 0.1-3mm is porous particles, and the particles are fully contacted with the flocs.
Here, a stirring device may be provided in the grid tank, and fine flocs may be generated in water by the sufficient contact of the stirring device with an added coagulant (for example, a coagulant such as polyaluminium chloride or polyferric sulfate); fully contacting with a flocculating agent (such as polyacrylamide) added by a stirring device to generate floc alum floc; under the action of the stirring device, the alumen ustum is further enlarged on one hand, and on the other hand, the alumen ustum is fully contacted with the natural quartz sand particles, so that the alumen ustum is adhered to the surfaces of the quartz sand particles; and finally, statically separating in the grid pond, quickly settling the quartz sand particles adsorbed with the flocs under the action of gravity, separating the quartz sand particles from water along with the flocs, and discharging clear water from the upper part. Quartz sand particles which enter the bottom of the grating tank and are adsorbed with sludge are discharged from the bottom of the grating tank, are sent into a hydrocyclone through a sludge pump and a connecting pipeline, are separated from floc sludge through hydrocyclone separation, the separated quartz sand particles are discharged from one outlet of the hydrocyclone for cyclic utilization, and the separated sludge is discharged from the other outlet of the hydrocyclone.
And adjusting the pH value of the sewage obtained after precipitation to 2-4, adding hydrogen peroxide and ferric sulfate into the sewage, stirring, mixing, reacting, and standing.
The first gas pump comprises a compressed air pipe, an air distributor, a liquid lifting pipe and a gas-liquid separation box, the compressed air pipe is connected with an air compressor, the density of a mixed liquid formed by mixing compressed air with sewage or sludge through the air distributor is lower than that of an original liquid, namely, a density difference is formed between the density of the mixed liquid formed by mixing the compressed air with the sewage through the air distributor and the original liquid of the sewage, the density difference forms the height change of the liquid level of the liquid inside and outside the liquid lifting pipe, the mixed liquid with low density rises and is discharged along with the liquid lifting pipe, and the gas-liquid separation box is arranged at the highest position of the liquid lifting pipe and releases the air in the mixed liquid;
the air compressor can also be earlier to before the air compressor to the air lift pump of anaerobism pond inputed compressed air and carry out deoxidation treatment, promptly compressed air that the air compressor came out passes through oxygen consumption layer earlier and gets into the air lift pump, oxygen consumption layer can set up in the air compressor with in the pipeline between the air lift pump, oxygen consumption layer can be for the metal such as iron that oxygen consumption is big.
The water inlet amount and time, the aeration amount and time and the aeration interval and time of the grid pond. Settling time, supernatant discharge water amount and time, and sludge reflux amount and time. The anaerobic and aerobic intervals of the anaerobic tank and the aerobic tank can be set independently. Different operation modes can be edited based on the change of water quality and water quantity in different time intervals, different seasons and different areas every day, and different operation modes such as carbon adding, chlorine adding, phosphorus removing, sand filtering, deodorization and the like in a grid pool or an anaerobic pool or an aerobic pool are edited based on different effluent water quality requirements.
The anaerobic tank, the aerobic tank and the clean water tank are sequentially connected through water pipes, a first electromagnetic valve is arranged on a water pipe between the anaerobic tank and the aerobic tank, and a second electromagnetic valve is arranged on a water pipe between the aerobic tank and the clean water tank;
the clean water basin top sets up water level detection device including consecutive level sensor, controller and wireless transceiver, level sensor is used for gathering the liquid level data in clean water basin, and will liquid level data send to the controller.
The liquid level sensor and the controller comprise a signal adjusting circuit, and the signal adjusting circuit comprises a frequency selecting circuit, an isolating circuit and an amplifying circuit which are sequentially connected. The signal adjusting circuit is used for carrying out frequency selection and amplification processing on signals, obtaining signals required by a user, filtering useless signals, realizing accurate processing on the signals, and preventing the phenomena of misjudgment of a controller and the like.
The frequency selection circuit comprises a first inductor L1, a second inductor L2, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4 and a fifth capacitor C5; the output end of the liquid level sensor is respectively connected with one end of a first inductor L1, one end of a first capacitor C1 and one end of a second capacitor C2, the other end of the first inductor L1 is respectively connected with one end of a second inductor L2 and one end of a third capacitor C3, the other end of the second inductor L2 is respectively connected with the input end of the isolation circuit and one end of a fourth capacitor C4, one end of a fifth capacitor C5 and the other end of the fourth capacitor C4 are connected with the other end of the second capacitor C2, and the other end of the first capacitor C1, the other end of the third capacitor C3 and the other end of the fifth capacitor C5 are respectively grounded.
The frequency selection circuit is used for selecting signals in a preset frequency range according with the requirements of users.
The isolation circuit comprises a first operational amplifier AR1, a non-inverting input terminal of the first operational amplifier AR1 is connected to an output terminal of the frequency selecting circuit, an inverting input terminal of the first operational amplifier AR1 is connected to an output terminal of the first operational amplifier AR1, and an output terminal of the first operational amplifier AR1 is further connected to an input terminal of the amplifying circuit.
The isolation circuit is used for isolating the influence between the frequency selection circuit and the amplification circuit.
The amplifying circuit comprises a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a first triode T1 and a second operational amplifier AR 2; one end of the first resistor R1 is connected to the output end of the isolation circuit, the other end of the first resistor R1 is connected to one end of the second resistor R2 and the base of the first transistor T1, the other end of the second resistor R2 is connected with an external voltage VCC, the collector of the first triode T1 is connected with the external voltage VCC, an emitter of the first triode T1 is respectively connected to one end of the third resistor R3 and the inverting input terminal of the second operational amplifier AR2, the other end of the third resistor R3 is grounded, the non-inverting input terminal of the second operational amplifier AR2 is grounded, the inverting input terminal of the second op amp AR2 is further connected to one end of the fourth resistor R4 and one end of the fifth resistor R5 respectively, the other end of the fourth resistor R4 is grounded, and the other end of the fifth resistor R5 is connected to the output end of the second op amp AR 2.
Amplifying circuit connects the AD converter, the AD converter with the controller links to each other, the controller will liquid level data compares with predetermineeing liquid level data threshold value, if liquid level data surpasss predetermine liquid level data threshold value, then the controller passes through wireless transceiver sends close signal extremely first solenoid valve, second solenoid valve.
Wherein at least the surface is quartz sand with porous particle density of 2-3g/cm3 and particle size of 0.3-0.5 mm.
Wherein the anaerobic treatment comprises:
anaerobic microorganisms are placed in the anaerobic tank, and the anaerobic microorganisms comprise: the number of living bacteria of photosynthetic bacteria is 2.0 hundred million strains/ml to 3.1 hundred million strains/ml, the number of living bacteria of rhizobia is 2.0 hundred million strains/ml to 6.0 hundred million strains/ml, the number of living bacteria of microzyme is 2.0 hundred million strains/ml to 2.50 hundred million strains/ml, the number of living bacteria of actinomycete is 2.0 hundred million strains/ml to 3.5 hundred million strains/ml, and the number of living bacteria of bacillus is 2.2 hundred million strains/ml to 2.50 hundred million strains/ml.
Wherein, a decolorizing agent, polyaluminium chloride and polyacrylamide are sequentially added into the aerobic tank.
Wherein, the further disinfection and sterilization treatment of the sewage after the aerobic treatment by the clean water tank comprises the following steps: adding a sterilizing agent into the clean water tank, wherein the sterilizing agent comprises: 5% of polyoxy alkylene guanidine, 3% of metronidazole, 1% of sodium chloride, 2% of surfactant, 3% of o-phenylphenol, 15% of glycerol, 1% of boric acid and the balance of water; the surfactant is a combination of nonylphenol polyoxyethylene ether and tween, and the weight ratio of the nonylphenol polyoxyethylene ether to the tween is 3: 2.
By adopting the invention, sewage in a sewer or other places is stored in the grid pond, and the grid pond is used for precipitating the sewage, so that harmful substances in the sewage form precipitates, and the sewage entering the anaerobic pond has no large foreign matters. The anaerobic tank is used for carrying out anaerobic treatment on the sewage, and the anaerobic treatment has the effects of hydrolyzing, acidifying and methanation organic matters by utilizing the effect of anaerobic bacteria, removing the organic matters in the wastewater, improving the biodegradability of the sewage and being beneficial to subsequent aerobic treatment. Compressed air is injected into an air stripping pump of the anaerobic tank, the air stripping pump discharges upper liquid in the anaerobic tank to the aerobic tank, and the aerobic tank is used for carrying out biological metabolism by utilizing aerobic microorganisms (including facultative microorganisms) in the presence of oxygen so as to degrade organic matters, so that the organic matters are stabilized and harmless. The microorganism takes organic pollutants in water as a substrate to carry out aerobic metabolism, releases energy step by step through a series of biochemical reactions, and finally stabilizes the organic pollutants with low energy level. Compressed air is injected into an air lift pump of the aerobic tank, the air lift pump discharges upper-layer liquid in the aerobic tank to the clean water tank, after sewage enters the aerobic tank and is precipitated for a period of time, the last-time liquid is a clean liquid, and the clean water tank is used for further disinfecting the entering clean water. By adopting the invention, the sewage can be treated to make the sewage become clear water. In the invention, a liquid level sensor and a controller are also used, a signal adjusting circuit is also arranged between the liquid level sensor and the controller, and the signal adjusting circuit comprises a frequency selecting circuit, an isolating circuit and an amplifying circuit which are sequentially connected. The signal adjusting circuit is used for carrying out frequency selection and amplification processing on signals, obtaining signals required by a user, filtering useless signals, realizing accurate processing on the signals, preventing the phenomena of misjudgment of a controller and the like, and avoiding the occurrence of errors in sewage treatment steps.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. A control treatment method of sewage treatment equipment based on an SBR method is characterized by comprising the following steps:
sewage is pretreated (automatically flows in) through a grating pool;
introducing (automatically flowing) the supernatant of the pretreated sewage into a pool 1 (an anaerobic pool) for anaerobic treatment;
a first air stripping pump is arranged in the anaerobic tank, compressed air is introduced into the first air stripping pump, and the water quantity obtained through complex calculation under dozens of modes is stripped to a tank 2 (aerobic tank);
introducing the supernatant of the sewage after the anaerobic treatment into an aerobic tank for aerobic treatment, and repeatedly carrying out anaerobic treatment, anoxic treatment, aeration and pause in an aerobic stage to finally carry out precipitation in a certain time period;
a second air stripping pump is arranged in the aerobic tank, compressed air is introduced into the second air stripping pump, the water quantity obtained through complex calculation under more than ten modes is stripped to a tank 3 (a clean water tank), and the clean water tank is used for further disinfecting and sterilizing the sewage subjected to aerobic treatment and discharging the sewage after reaching the standard;
and a third stripping pump is arranged in the aerobic tank, and the third stripping pump strips the water quantity obtained through complex calculation under dozens of modes to a tank 1 (anaerobic tank) (called as sludge reflux), so that the whole sewage treatment process of one batch is completed.
2. The control treatment method of sewage treatment equipment based on SBR method as claimed in claim 1, which is characterized in that the experience after the conclusion of long-term practice is accumulated and programmed into dozens of operation modes, thereby realizing the fully automatic and stable operation of the small sewage treatment equipment in a 'fool' way, and being still the initiative in China.
3. The method of claim 1, wherein the control program and the method further comprise more than 10 advanced treatment programs for users, and the advanced treatment programs are mainly used for advanced treatment of sewage, such as a carbon adding module, a chlorine adding module, a phosphorus removing module, a sand rate module, a convenient module, a remote control module, and the like.
4. The controlled treatment method of sewage treatment facility based on SBR process as claimed in claim 1 wherein decolorant, polyaluminium chloride and polyacrylamide are further added in sequence to the aerobic tank.
5. The control processing method of sewage treatment equipment based on the SBR method of claim 1, wherein the water level detection device arranged above the clean water tank comprises a liquid level sensor, a controller and a wireless transceiver which are connected in sequence, wherein the liquid level sensor is used for collecting liquid level data of the clean water tank and sending the liquid level data to the controller;
the liquid level sensor and the controller comprise a signal adjusting circuit, and the signal adjusting circuit comprises a frequency selecting circuit, an isolating circuit and an amplifying circuit which are sequentially connected.
6. The signal adjusting circuit is used for carrying out frequency selection and amplification processing on signals, acquiring signals required by a user, filtering useless signals, realizing accurate processing on the signals and preventing the occurrence of controller misjudgment;
the frequency selection circuit comprises a first inductor L1, a second inductor L2, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4 and a fifth capacitor C5; the output end of the liquid level sensor is respectively connected with one end of a first inductor L1, one end of a first capacitor C1 and one end of a second capacitor C2, the other end of the first inductor L1 is respectively connected with one end of a second inductor L2 and one end of a third capacitor C3, the other end of the second inductor L2 is respectively connected with the input end of the isolation circuit and one end of a fourth capacitor C4, one end of a fifth capacitor C5, the other end of the fourth capacitor C4 is connected with the other end of the second capacitor C2, and the other end of the first capacitor C1, the other end of the third capacitor C3 and the other end of the fifth capacitor C5 are respectively grounded;
the frequency selection circuit is used for selecting signals in a preset frequency range according with the requirements of a user;
the isolation circuit comprises a first operational amplifier AR1, a non-inverting input terminal of the first operational amplifier AR1 is connected with an output terminal of the frequency selection circuit, an inverting input terminal of the first operational amplifier AR1 is connected with an output terminal of the first operational amplifier AR1, and an output terminal of the first operational amplifier AR1 is further connected with an input terminal of the amplification circuit;
the isolation circuit is used for isolating the influence between the frequency selection circuit and the amplification circuit;
the amplifying circuit comprises a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a first triode T1 and a second operational amplifier AR 2; one end of the first resistor R1 is connected to the output end of the isolation circuit, the other end of the first resistor R1 is connected to one end of the second resistor R2 and the base of the first transistor T1, the other end of the second resistor R2 is connected with an external voltage VCC, the collector of the first triode T1 is connected with the external voltage VCC, an emitter of the first triode T1 is respectively connected to one end of the third resistor R3 and the inverting input terminal of the second operational amplifier AR2, the other end of the third resistor R3 is grounded, the non-inverting input terminal of the second operational amplifier AR2 is grounded, the inverting input terminal of the second op amp AR2 is further connected to one end of the fourth resistor R4 and one end of the fifth resistor R5 respectively, the other end of the fourth resistor R4 is grounded, and the other end of the fifth resistor R5 is connected to the output end of the second operational amplifier AR 2;
amplifying circuit connects the AD converter, the AD converter with the controller links to each other, the controller will liquid level data compares with predetermineeing liquid level data threshold value, if liquid level data surpasss predetermine liquid level data threshold value, then the controller passes through wireless transceiver sends close signal extremely first solenoid valve, second solenoid valve.
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| CN110790381A (en) * | 2019-11-28 | 2020-02-14 | 北京协同创新智慧水务有限公司 | Full-flow intelligent control system based on AAO sewage treatment process |
| CN210244577U (en) * | 2019-10-18 | 2020-04-03 | 北京交通大学 | Electronic communication device for early warning of construction site |
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2020
- 2020-09-29 CN CN202011053499.4A patent/CN114315006A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200428A (en) * | 2016-03-18 | 2017-09-26 | 浙江汉诺软件有限公司 | Sewage disposal detecting system |
| CN106007211A (en) * | 2016-07-11 | 2016-10-12 | 佛山杰致信息科技有限公司 | Farm waste water treatment method |
| CN206033515U (en) * | 2016-08-31 | 2017-03-22 | 江苏泰源环保科技股份有限公司 | Mixed chemical wastewater's of organic matter synthesis integrated processing system |
| CN210244577U (en) * | 2019-10-18 | 2020-04-03 | 北京交通大学 | Electronic communication device for early warning of construction site |
| CN110790381A (en) * | 2019-11-28 | 2020-02-14 | 北京协同创新智慧水务有限公司 | Full-flow intelligent control system based on AAO sewage treatment process |
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