Method and equipment for treating sewage by intensifying micro-electrolysis through coordinated regulation and control of magnetic field

Abstract

The invention provides a magnetic field coordinated regulation enhanced micro-electrolysis sewage treatment method and equipment, and the method comprises the following steps: regulating the hydrogen ion concentration index of sewage to obtain regulated sewage, pumping the regulated sewage to a water inlet of a micro-electrolysis reaction tower by adopting a lifting pump, aerating the regulated sewage by an aeration device in an aeration area, and then discharging the aerated sewage to a water outlet of the micro-electrolysis reaction tower. Entering a micro-electrolysis reaction tower through a supporting layer; an enameled copper wire coil wound outside the micro-electrolysis reaction tower and iron-carbon micro-electrolysis filler in the tower are utilized to form a magnetic field generating device, a magnetic field is formed in the micro-electrolysis reaction tower, and the size and direction of the magnetic field are regulated in real time according to the quality of effluent; the adjusted sewage treated by the magnetic field overflows to a water collecting tank through a trapezoidal overflow weir, and the water quality of effluent is detected in real time through an online water quality monitoring system below a water outlet; adjusting the hydrogen ion concentration index, the magnetic field parameter and the aeration rate of the inlet water in a linkage manner, and regulating and controlling the micro-electrolysis reaction conditions. The automation level and the treatment efficiency of sewage treatment are improved.

Description

Technical Field

[0001] The embodiments of the present invention relate to the technical field of sewage treatment, and in particular to a method and device for enhanced micro-electrolysis sewage treatment by coordinated magnetic field regulation. Background Art

[0002] Iron-carbon micro-electrolysis is a wastewater treatment technology based on electrochemical redox reactions. It utilizes the potential difference between iron and carbon to form a microbattery, degrading pollutants such as organic matter and heavy metals through electron transfer, adsorption, and co-precipitation. Widely used in industrial wastewater treatment for printing and dyeing, pharmaceuticals, and electroplating, it can reduce wastewater color and chemical oxygen demand, improve biodegradability, and adsorb and reduce heavy metal ions. The current practical application process includes pretreatment, micro-electrolysis reaction, solid-liquid separation, and subsequent treatment. The influent hydrogen ion concentration index must be adjusted to approximately 3 before being pumped into a reaction tower. The wastewater treated by micro-electrolysis is discharged through the outlet and then into the next treatment structure. However, this technology faces significant bottlenecks: during long-term operation, oxides such as Fe(OH)3 and Fe2O3 produced by electrode reactions can form a passivation film on the packing surface and within the reactor, leading to packing compaction, severely reducing treatment efficiency and even rendering electrolysis impossible. Traditional systems rely on regular manual sampling and testing, as well as manual adjustment of parameters such as hydrogen ion concentration index, aeration volume, and reaction time. This results in delayed response, low accuracy, and high labor costs. While weak magnetic fields can enhance the pollutant removal effect of zero-valent iron, a weak magnetic field is generated by placing a magnetic levitation base or magnet at the bottom of the reactor. However, this field is only generated at the bottom, with a limited range of action and inability to fully utilize the magnetic field enhancement effect. To address these shortcomings, a micro-electrolysis wastewater treatment method is urgently needed that can effectively inhibit packing compaction, achieve intelligent control, and fully utilize the magnetic field enhancement effect to improve treatment efficiency, reduce operating costs, and enhance system automation. Summary of the Invention

[0003] In response to the above-mentioned problems existing in the prior art, an embodiment of the present invention provides a method and equipment for enhanced micro-electrolysis sewage treatment through coordinated control of a magnetic field.

[0004] In the first aspect, an embodiment of the present invention provides a method for strengthening micro-electrolysis wastewater treatment by coordinated regulation of a magnetic field, comprising: step S1: adjusting the hydrogen ion concentration index of the wastewater to obtain regulated wastewater, and using a lift pump to pump the regulated wastewater to the water inlet of the micro-electrolysis reaction tower. After the regulated wastewater is aerated by the aeration device in the aeration area, it enters the micro-electrolysis reaction tower through the supporting layer; step S2: using the enameled copper wire coil wrapped around the outside of the micro-electrolysis reaction tower and the iron-carbon micro-electrolysis filler in the tower to form a magnetic field generating device, and passing direct current into the micro-electrolysis reaction tower to form a magnetic field generating device. A magnetic field is formed, and the size and direction of the magnetic field are adjusted in real time according to the hydrogen ion concentration index, electrical conductivity, chemical oxygen demand and heavy metal ion concentration of the effluent; step S3: the regulated sewage after the magnetic field treatment overflows to the sump through the trapezoidal overflow weir, and the hydrogen ion concentration index, electrical conductivity, chemical oxygen demand and heavy metal ion concentration of the effluent are detected in real time by an online water quality monitoring system below the outlet; step S4: based on the detection results of step S3, the inlet hydrogen ion concentration index, magnetic field parameters and aeration volume are adjusted in a linked manner to regulate the micro-electrolysis reaction conditions.

[0005] Based on the contents of the above method embodiments, the magnetic field coordinated regulation enhanced micro-electrolysis sewage treatment method provided in the embodiments of the present invention, which controls the size and direction of the magnetic field in real time according to the hydrogen ion concentration index, conductivity, chemical oxygen demand and heavy metal ion concentration of the effluent, includes: sending a general input and output signal to the H-bridge circuit to control the enameled copper wire coil to change the direction of the magnetic field; sending a pulse width modulation signal to the metal oxide semiconductor field effect transistor drive circuit to change the current size on the enameled copper wire coil and adjust the magnetic field strength.

[0006] Based on the contents of the above method embodiments, the magnetic field coordinated control enhanced micro-electrolysis sewage treatment method provided in the embodiments of the present invention, the linkage adjustment of the inlet aeration volume includes: the metal oxide semiconductor field effect transistor drive circuit changes the output power of the aeration pump according to the received pulse width modulation signal, thereby adjusting the aeration volume of the aeration head at the bottom of the aeration area, and the aeration pump is connected to the aeration head through an aeration pipe.

[0007] Based on the contents of the above-mentioned method embodiments, the magnetic field coordinated control enhanced micro-electrolysis sewage treatment method provided in the embodiments of the present invention, the linkage adjustment of the influent hydrogen ion concentration index includes: sending a general input and output signal to the solid-state relay, controlling the opening and closing of the hydrogen ion concentration index automatic dosing device of the hydrogen ion concentration index regulating pool, and adjusting the dosing of the influent hydrogen ion concentration index.

[0008] Based on the contents of the above method embodiments, the magnetic field coordinated regulation enhanced micro-electrolysis sewage treatment method provided in the embodiments of the present invention, the online water quality monitoring system includes: a hydrogen ion concentration index sensor, a conductivity sensor, a chemical oxygen demand sensor and a heavy metal ion concentration sensor, and the reaction conditions are regulated according to the analog signal detected by the online water quality monitoring system.

[0009] Based on the contents of the above method embodiments, the magnetic field coordinated regulation enhanced micro-electrolysis sewage treatment method provided in the embodiments of the present invention, after the micro-electrolysis reaction conditions are regulated, also includes: when the iron-carbon micro-electrolysis filler of the micro-electrolysis reaction tower needs to be replaced, the filler discharge port is opened after shutdown to remove the filler; when the pipeline or aeration head in the aeration area needs to be repaired, the pipeline inspection port is opened after shutdown for maintenance.

[0010] In the second aspect, an embodiment of the present invention provides a magnetic field coordinated regulation and enhanced micro-electrolysis sewage treatment system, including: a hydrogen ion concentration index regulating tank for containing sewage; a hydrogen ion concentration index value automatic dosing device for adjusting the hydrogen ion concentration index of the sewage; a lifting pump for delivering the sewage to the water inlet; an aeration head for aerating the sewage; an aeration pump for providing aeration gas to the aeration head; a magnetic field generating device for regulating the magnetic field strength and direction of the sewage; an online water quality monitoring system for monitoring the water quality of the sewage; an STM32 main control chip, integrated in the online water quality detection system, for loading the corresponding program to implement the magnetic field coordinated regulation and enhanced micro-electrolysis sewage treatment method as described in any of the aforementioned method embodiments.

[0011] In the third aspect, an embodiment of the present invention provides a magnetic field coordinated regulation enhanced micro-electrolysis sewage treatment device, comprising: a first main module, for implementing step S1: adjusting the sewage hydrogen ion concentration index to obtain regulated sewage, using a lift pump to pump the regulated sewage to the water inlet of the micro-electrolysis reaction tower, the regulated sewage is aerated by the aeration device in the aeration area, and then enters the micro-electrolysis reaction tower through the supporting layer; a second main module, for implementing step S2: utilizing the enameled copper wire coil wound around the outside of the micro-electrolysis reaction tower and the iron-carbon micro-electrolysis filler in the tower to form a magnetic field generating device, and passing direct current to form a magnetic field inside the micro-electrolysis reaction tower. A magnetic field is formed, and the size and direction of the magnetic field are adjusted in real time according to the hydrogen ion concentration index, electrical conductivity, chemical oxygen demand and heavy metal ion concentration of the effluent; a third main module is used to implement step S3: the regulated sewage after the magnetic field treatment overflows to the sump through the trapezoidal overflow weir, and the hydrogen ion concentration index, electrical conductivity, chemical oxygen demand and heavy metal ion concentration of the effluent are detected in real time by the online water quality monitoring system below the outlet; a fourth main module is used to implement step S4: based on the detection result of step S3, the inlet hydrogen ion concentration index, magnetic field parameters and aeration volume are linked to regulate the micro-electrolysis reaction conditions.

[0012] In a fourth aspect, an embodiment of the present invention provides an electronic device, including:

[0013] At least one processor, at least one memory and a communication interface; wherein,

[0014] The processor, memory and communication interface communicate with each other;

[0015] The memory stores program instructions that can be executed by the processor, and the processor calls the program instructions to execute the magnetic field coordinated control enhanced micro-electrolysis sewage treatment method provided by any one of the various implementation methods of the first aspect.

[0016] In the fifth aspect, an embodiment of the present invention provides a non-transitory computer-readable storage medium, which stores computer instructions. The computer instructions enable the computer to execute the magnetic field coordinated control enhanced micro-electrolysis sewage treatment method provided by any one of the various implementation methods of the first aspect.

[0017] The embodiments of the present invention provide a method and apparatus for enhanced micro-electrolysis sewage treatment through coordinated magnetic field control. By winding a coil around the outside of a micro-electrolysis reaction tower and using filler as an iron core to form a variable magnetic field, the passivation film and compaction phenomenon on the filler surface are weakened, thereby increasing the pollutant removal rate by 20% to 30% and shortening the reaction time by 10% to 35%. The online water quality detection system at the outlet monitors parameters such as the hydrogen ion concentration index and chemical oxygen demand in real time, and combines intelligent linkage to adjust dosing, magnetic field, and aeration devices to achieve stable and precise control of the hydrogen ion concentration index. Compared with traditional manual control, the pollutant removal rate is increased by 30% to 40%, and the reaction time is shortened by 20% to 30%, thereby reducing labor costs and system complexity, and improving the automation level and treatment efficiency of sewage treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 A schematic flow chart of a method for enhanced micro-electrolysis sewage treatment by coordinated magnetic field control according to an embodiment of the present invention;

[0020] Figure 2 A schematic structural diagram of a magnetic field coordinated control enhanced micro-electrolysis sewage treatment device provided by an embodiment of the present invention;

[0021] Figure 3 A schematic diagram of the physical structure of an electronic device provided by an embodiment of the present invention;

[0022] Figure 4 A schematic diagram of the structure of a magnetic field coordinated control enhanced micro-electrolysis sewage treatment system provided by an embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of the structure of the automatic dosing device based on the hydrogen ion concentration index value provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. In addition, the technical features in the various embodiments or single embodiments provided by the present invention can be combined with each other arbitrarily to form a feasible technical solution. This combination is not subject to the constraints of the sequence of steps and / or structural composition mode, but must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be considered that the combination of such technical solutions does not exist and is not within the scope of protection required by the present invention. If there are step numbers in the following embodiments, they are only set for the convenience of explanation and description, and the order between the steps is not limited in any way. The execution order of each step in the embodiment can be adaptively adjusted according to the understanding of those skilled in the art.

[0025] The embodiment of the present invention provides a method for treating wastewater by micro-electrolysis under coordinated control of magnetic field. Figure 1The method comprises: step S1: adjusting the hydrogen ion concentration index of sewage to obtain adjusted sewage, using a lift pump to pump the adjusted sewage to the water inlet of a micro-electrolysis reaction tower, the adjusted sewage being aerated by an aeration device in an aeration area, and then entering the micro-electrolysis reaction tower through a supporting layer; step S2: using an enameled copper wire coil wound around the outside of the micro-electrolysis reaction tower and an iron-carbon micro-electrolysis filler in the tower to form a magnetic field generating device, passing direct current to form a magnetic field inside the micro-electrolysis reaction tower, and adjusting the magnitude and direction of the magnetic field in real time according to the hydrogen ion concentration index, conductivity, chemical oxygen demand, and heavy metal ion concentration of the effluent; step S3: the adjusted sewage after the magnetic field treatment overflows into a sump through a trapezoidal overflow weir, and the hydrogen ion concentration index, conductivity, chemical oxygen demand, and heavy metal ion concentration of the effluent are detected in real time by an online water quality monitoring system below the outlet; step S4: based on the detection results of step S3, the inlet hydrogen ion concentration index, magnetic field parameters, and aeration volume are linked to regulate the micro-electrolysis reaction conditions.

[0026] A coil is wrapped around the outside of the micro-electrolysis reactor, with the micro-electrolysis packing inside the reactor serving as the iron core. Direct current is applied to generate a magnetic field, and the magnitude and direction of the magnetic field are periodically varied to enhance the micro-electrolysis packing's ability to degrade pollutants. Online water quality monitoring systems are installed at the inlet and outlet to monitor parameters such as hydrogen ion concentration, conductivity, chemical oxygen demand, and heavy metal ion concentration in real time. An intelligent integrated system is then used to adjust the inlet hydrogen ion concentration, magnetic field magnitude and direction, and aeration efficiency based on effluent quality, thereby improving wastewater treatment quality. The iron-carbon micro-electrolysis reactor specifically involves wrapping a coil around the outside of the reactor, with the micro-electrolysis packing inside the reactor serving as the iron core. Direct current is applied to generate a broad magnetic field within the reactor, and the magnitude and direction of the magnetic field are controlled by periodically varying the magnitude and direction of the current, thereby reducing caking and passivation and enhancing the micro-electrolysis treatment effect.

[0027] The intelligent control system linked to pollutant degradation efficiency is specifically as follows: sensors for detecting hydrogen ion concentration index, conductivity, chemical oxygen demand and heavy metal ion concentration are set at the water outlet to monitor the effluent water quality parameters of the sewage treatment device in real time, and transmit analog signals to the STM32 main control chip in real time based on the monitoring results. According to the embedded control algorithm program, general input and output signals and pulse width modulation signals are issued to link and adjust the key reaction condition control devices in the system, including the hydrogen ion concentration index automatic dosing device, the strength and direction of the magnetic field, and the output power of the aeration pump, so as to realize an efficient and intelligent water quality treatment integrated control process.

[0028] Based on the content of the above method embodiment, as an optional embodiment, the magnetic field coordinated regulation enhanced micro-electrolysis sewage treatment method provided in the embodiment of the present invention, which controls the size and direction of the magnetic field in real time according to the hydrogen ion concentration index, conductivity, chemical oxygen demand and heavy metal ion concentration of the effluent, includes: sending a general input and output signal to the H-bridge circuit to control the enameled copper wire coil to change the direction of the magnetic field; sending a pulse width modulation signal to the metal oxide semiconductor field effect transistor drive circuit to change the current on the enameled copper wire coil and adjust the magnetic field strength.

[0029] Based on the content of the above method embodiment, as an optional embodiment, the magnetic field coordinated regulation enhanced micro-electrolysis sewage treatment method provided in the embodiment of the present invention, the linkage adjustment of the water inlet aeration volume includes: the metal oxide semiconductor field effect transistor driving circuit changes the output power of the aeration pump according to the received pulse width modulation signal, and then adjusts the aeration volume of the aeration head at the bottom of the aeration area, and the aeration pump is connected to the aeration head through an aeration pipe.

[0030] Based on the content of the above method embodiment, as an optional embodiment, the magnetic field coordinated control enhanced micro-electrolysis sewage treatment method provided in the embodiment of the present invention, the linkage adjustment of the influent hydrogen ion concentration index includes: sending a general input and output signal to the solid-state relay, controlling the opening and closing of the hydrogen ion concentration index automatic dosing device of the hydrogen ion concentration index regulating pool, and adjusting the dosing of the influent hydrogen ion concentration index.

[0031] Based on the content of the above method embodiment, as an optional embodiment, the magnetic field coordinated regulation enhanced micro-electrolysis sewage treatment method provided in the embodiment of the present invention, the online water quality monitoring system includes: a hydrogen ion concentration index sensor, a conductivity sensor, a chemical oxygen demand sensor and a heavy metal ion concentration sensor, and the reaction conditions are regulated according to the analog signal detected by the online water quality monitoring system.

[0032] Based on the content of the above method embodiment, as an optional embodiment, the magnetic field coordinated regulation enhanced micro-electrolysis sewage treatment method provided in the embodiment of the present invention, after the micro-electrolysis reaction conditions are regulated, also includes: when the iron-carbon micro-electrolysis filler of the micro-electrolysis reaction tower needs to be replaced, the filler discharge port is opened after shutdown to remove the filler; when the pipeline or aeration head in the aeration area needs to be repaired, the pipeline inspection port is opened after shutdown for maintenance.

[0033] The embodiment of the present invention provides a method for enhanced micro-electrolysis sewage treatment through coordinated magnetic field control. By winding a coil around the outside of a micro-electrolysis reaction tower and using filler as an iron core to form a variable magnetic field, the passivation film and compaction phenomenon on the surface of the filler are weakened, thereby increasing the pollutant removal rate by 20% to 30% and shortening the reaction time by 10% to 35%. The online water quality detection system at the outlet monitors parameters such as the hydrogen ion concentration index and chemical oxygen demand in real time, and combines intelligent linkage to adjust dosing, magnetic field, and aeration devices to achieve stable and precise control of the hydrogen ion concentration index. Compared with traditional manual control, the pollutant removal rate is increased by 30% to 40%, and the reaction time is shortened by 20% to 30%, thereby reducing labor costs and system complexity, and improving the automation level and treatment efficiency of sewage treatment.

[0034] The embodiment of the present invention provides a magnetic field coordinated control enhanced micro-electrolysis sewage treatment system, see Figure 4 The system includes: a hydrogen ion concentration index regulating tank for containing sewage; a hydrogen ion concentration index value automatic dosing device for adjusting the hydrogen ion concentration index of the sewage; a lifting pump for delivering the sewage to the water inlet; an aeration head for aerating the sewage; an aeration pump for providing aeration gas to the aeration head; a magnetic field generating device for regulating the intensity and direction of the magnetic field in which the sewage is located; an online water quality monitoring system for monitoring the water quality of the sewage; an STM32 main control chip, integrated in the online water quality detection system, for loading the corresponding program to implement the magnetic field coordinated control enhanced micro-electrolysis sewage treatment method as described in any of the aforementioned method embodiments.

[0035] See also Figure 4 The sewage after the physicochemical properties are adjusted in the hydrogen ion concentration index regulating tank 13 is pumped to the water inlet 7 by the lifting pump 12, and then the sewage is passed into the aeration area 16 by the water inlet 7. In the aeration area 16, the sewage passes through the supporting layer 5 under the action of the aeration device 19 and is sent to the micro-electrolysis reaction area 17. The sewage in the micro-electrolysis reaction area 17 reacts with the iron-carbon micro-electrolysis filler 1 through the magnetic field generated by the magnetic field generating device 3 to obtain the treated sewage. The treated sewage overflows The wastewater passes through the trapezoidal overflow weir 9 at the upper end of the micro-electrolysis reaction area 17 and overflows through the trapezoidal overflow weir 9 to reach the water collection tank 18. The treated wastewater then flows into the water outlet 8 through the water collection tank 18. The water quality of the effluent is tested by the online water quality monitoring system 4 below the water outlet 8. The online water quality monitoring system 4 intelligently integrates and controls the micro-electrolysis reaction-related indices of the hydrogen ion concentration index automatic dosing device 30, the aeration pump 11 and the magnetic field generating device 3 based on the measured data, thereby achieving automatic adjustment of the reaction-related indices within a second period.

[0036] The magnetic field generating device 3 includes a micro-electrolysis filler 1 in an iron-carbon micro-electrolysis reaction tower as the iron core of the magnetic field generating device, and an enameled copper wire coil 2 wound around the outside of the micro-electrolysis reaction tower. The enameled copper wire coil 2 is connected to a MOS drive circuit 25 and an H-bridge circuit 24. The MOS drive circuit 25 and the H-bridge circuit 24 are connected to an STM32 main control chip 23 in an online water quality monitoring system 4 to receive a general input and output signal 28 and a pulse width modulation signal 29. When the H-bridge circuit 24 receives the general input and output signal 28, it controls the enameled copper wire coil 2 to change the direction of the magnetic field; when the MOS drive circuit 25 receives the pulse width modulation signal 29, it changes the current on the enameled copper wire coil 2 to achieve the purpose of intelligently controlling the size and direction of the magnetic field according to the water quality of the outlet water.

[0037] The aeration device includes an aeration pump 11 installed outside the reaction tower, an aeration head 10 located at the bottom of the aeration area 16 inside the micro-electrolysis reaction tower, and an aeration pipe 6 connecting the aeration pump 11 and the aeration head 10. In addition, the aeration pump 11 is connected to the MOS drive circuit 25 by a circuit, and the MOS drive circuit 25 is connected to the STM32 main control chip 23 in the online water quality monitoring system 4 to receive a pulse width modulation signal 29. When the MOS drive circuit 25 receives the pulse width modulation signal 29, it will change the output power of the aeration pump to achieve the purpose of intelligently controlling the aeration amount according to the water quality of the effluent.

[0038] The hydrogen ion concentration index automatic dosing device 30 is installed on the inner wall of the hydrogen ion concentration index regulating pool 13, see Figure 5 The hydrogen ion concentration index automatic dosing device 30 is connected to the solid-state relay 4 by a circuit, and the solid-state relay 4 is connected to the STM32 main control chip 23 in the online water quality monitoring system 4 to receive the general input and output signal 28. When the solid-state relay 26 receives the general input and output signal 28, it will control the opening and closing of the hydrogen ion concentration index automatic dosing device 30 to achieve the purpose of intelligently regulating the hydrogen ion concentration index value according to the outlet water quality.

[0039] Regarding aeration control, the chemical oxygen demand (COD) sensor 21 and the heavy metal ion concentration sensor 22 detect that either the COD or heavy metal ion concentration in the water is greater than a preset threshold. An analog signal 27 is generated. This analog signal 27 is transmitted to the STM32 main control chip 23, which then issues a pulse-width modulation (PWM) signal 29. This PWM signal 29 is then transmitted to the MOS drive circuit 25, increasing the aeration rate of the aeration pump 11 to a control range of 1.5-3 L / min. If both the COD and heavy metal ion concentrations are within the normal threshold range, no signal is issued, maintaining the aeration rate at the current level.

[0040] Regarding aeration control, the detection conditions of the chemical oxygen demand sensor 21 and the heavy metal ion concentration sensor 22 are as follows: if it is detected that either the chemical oxygen demand or the heavy metal ion concentration in the water quality is greater than a preset threshold, an analog signal 27 is generated. When the analog signal 27 is transmitted to the STM32 main control chip 23, the STM32 main control chip 23 sends a pulse width modulation signal 29. After the pulse width modulation signal 29 is transmitted to the MOS drive circuit 25, the aeration rate of the aeration pump 11 is increased, and the aeration rate is controlled between 1.5-3L / min.

[0041] If the chemical oxygen demand and heavy metal ion concentrations in the water are detected to be within the normal threshold range, no signal will be issued and the aeration rate will be maintained at the current state.

[0042] When the treated sewage passes through the online water quality monitoring system 4 below the water outlet 8, the hydrogen ion concentration index sensor 19 installed in the online water quality monitoring system 4 detects the treated sewage and generates an analog signal 27. After the analog signal 27 is transmitted to the STM32 main control chip 23, the STM32 main control chip 23 issues a general input and output signal 28, which is transmitted to the solid-state relay 26 to implement an instruction to control the hydrogen ion concentration index according to the water quality of the outlet. Specifically, if the water quality hydrogen ion concentration index is detected to be greater than a preset threshold value (such as 3), an analog signal 27 is generated. When the analog signal 27 is transmitted to the STM32 main control chip 23, the STM32 main control chip 23 issues a GPIO signal 28. When the GPIO signal 28 is transmitted to the solid-state relay 26, a signal is issued to control the hydrogen ion concentration index value automatic dosing device 30 to start the acid solution addition function.

[0043] If it is detected that the water quality hydrogen ion concentration index is less than a preset threshold value (such as 3), an analog signal 27 is generated. When the analog signal 27 is transmitted to the STM32 main control chip 23, the STM32 main control chip 23 sends a GPIO signal 28. When the GPIO signal 28 is transmitted to the solid-state relay 26, the signal sent is a signal to control the hydrogen ion concentration index value automatic dosing device 30 to start the alkaline solution dosing function.

[0044] If the water quality hydrogen ion concentration index is detected to be within the preset threshold range, no signal is sent and the hydrogen ion concentration index value automatic dosing device 30 is kept in the closed state.

[0045] When the iron-carbon micro-electrolysis filler 1 in the micro-electrolysis reaction area 17 needs to be replaced, the entire device is shut down for processing, and the filler discharge port 14 is opened to remove the filler. When the various pipes and aeration heads 10 in the aeration area 16 need to be repaired or replaced, the entire device is shut down for processing, and the pipeline inspection port 15 is opened for repair.

[0046] The implementation basis of each embodiment of the present invention is to implement programmed processing through a device with processor function. Therefore, in engineering practice, the technical solutions and functions of each embodiment of the present invention can be encapsulated into various modules. Based on this reality, on the basis of the above embodiments, the embodiment of the present invention provides a magnetic field coordinated control enhanced micro-electrolysis sewage treatment device, which is used to execute the magnetic field coordinated control enhanced micro-electrolysis sewage treatment method in the above method embodiment. Figure 2 The device includes: a first main module for implementing step S1: adjusting the hydrogen ion concentration index of the sewage to obtain adjusted sewage, using a lift pump to pump the adjusted sewage to the water inlet of the micro-electrolysis reaction tower, and the adjusted sewage is aerated by the aeration device in the aeration area and then enters the micro-electrolysis reaction tower through the supporting layer; a second main module for implementing step S2: using the enameled copper wire coil wrapped around the outside of the micro-electrolysis reaction tower and the iron-carbon micro-electrolysis filler in the tower to form a magnetic field generating device, passing direct current into the micro-electrolysis reaction tower to form a magnetic field, and generating a magnetic field according to the hydrogen ion concentration index of the effluent. The size and direction of the magnetic field are controlled in real time by adjusting the hydrogen ion concentration index, electrical conductivity, chemical oxygen demand and heavy metal ion concentration of the wastewater. The third main module is used to implement step S3: the regulated wastewater after being treated by the magnetic field overflows into the sump through the trapezoidal overflow weir, and the hydrogen ion concentration index, electrical conductivity, chemical oxygen demand and heavy metal ion concentration of the outlet are detected in real time by the online water quality monitoring system below the outlet. The fourth main module is used to implement step S4: based on the detection result of step S3, the hydrogen ion concentration index of the inlet water, the magnetic field parameters and the aeration volume are adjusted in a linked manner to regulate the micro-electrolysis reaction conditions.

[0047] The embodiment of the present invention provides a magnetic field coordinated control enhanced micro-electrolysis sewage treatment device, which adopts Figure 2 Several modules in the system form a variable magnetic field with the filler as the iron core by winding coils around the outside of the micro-electrolysis reaction tower, which weakens the passivation film and compaction phenomenon on the surface of the filler, thereby increasing the pollutant removal rate by 20% to 30% and shortening the reaction time by 10% to 35%; the online water quality detection system at the outlet monitors parameters such as the hydrogen ion concentration index and chemical oxygen demand in real time, and combines intelligent linkage to adjust the dosing, magnetic field and aeration devices to achieve stable and precise control of the hydrogen ion concentration index. Compared with traditional manual control, the pollutant removal rate is increased by 30% to 40%, and the reaction time is shortened by 20% to 30%, reducing labor costs and system complexity, and improving the automation level and treatment efficiency of sewage treatment.

[0048] It should be noted that the device in the device embodiment provided by the present invention can be used to implement the method in the above-mentioned method embodiment as well as the method in other method embodiments provided by the present invention. The only difference is that the corresponding functional modules are set. The principle is basically the same as the principle of the above-mentioned device embodiment provided by the present invention. As long as those skilled in the art refer to the specific technical solutions in other method embodiments on the basis of the above-mentioned device embodiment, obtain the corresponding technical means and the technical solutions composed of these technical means by combining technical features, and ensure the practicality of the technical solutions, they can improve the device in the above-mentioned device embodiment to obtain the corresponding device class embodiment, thereby obtaining the corresponding device class embodiment for implementing the methods in other method class embodiments. For example:

[0049] Based on the content of the above-mentioned device embodiment, as an optional embodiment, the magnetic field coordinated control enhanced micro-electrolysis sewage treatment device provided in the embodiment of the present invention also includes: a first sub-module, used to realize the said and real-time control of the size and direction of the magnetic field according to the hydrogen ion concentration index, conductivity, chemical oxygen demand and heavy metal ion concentration of the effluent, including: sending a general input and output signal to the H-bridge circuit to control the enameled copper wire coil to change the direction of the magnetic field; sending a pulse width modulation signal to the metal oxide semiconductor field effect transistor drive circuit to change the current on the enameled copper wire coil and adjust the magnetic field strength.

[0050] Based on the content of the above-mentioned device embodiment, as an optional embodiment, the magnetic field coordinated control enhanced micro-electrolysis sewage treatment device provided in the embodiment of the present invention also includes: a second sub-module, used to realize the linkage adjustment of the water inlet aeration volume, including: the metal oxide semiconductor field effect transistor drive circuit changes the output power of the aeration pump according to the received pulse width modulation signal, and then adjusts the aeration volume of the aeration head at the bottom of the aeration area, and the aeration pump is connected to the aeration head through an aeration pipe.

[0051] Based on the content of the above-mentioned device embodiment, as an optional embodiment, the magnetic field coordinated control enhanced micro-electrolysis sewage treatment device provided in the embodiment of the present invention also includes: a third sub-module, used to realize the linkage adjustment of the influent hydrogen ion concentration index, including: sending a general input and output signal to the solid-state relay, controlling the opening and closing of the hydrogen ion concentration index automatic dosing device of the hydrogen ion concentration index regulating pool, and adjusting the dosing of the influent hydrogen ion concentration index.

[0052] Based on the content of the above-mentioned device embodiment, as an optional embodiment, the magnetic field coordinated control enhanced micro-electrolysis sewage treatment device provided in the embodiment of the present invention also includes: a fourth sub-module, used to implement the online water quality monitoring system, including: a hydrogen ion concentration index sensor, a conductivity sensor, a chemical oxygen demand sensor and a heavy metal ion concentration sensor, and regulating the reaction conditions according to the analog signal detected by the online water quality monitoring system.

[0053] Based on the content of the above-mentioned device embodiment, as an optional embodiment, the magnetic field coordinated control enhanced micro-electrolysis sewage treatment device provided in the embodiment of the present invention also includes: a fifth sub-module, which is used to realize the control of the micro-electrolysis reaction conditions, and also includes: when the iron-carbon micro-electrolysis filler of the micro-electrolysis reaction tower needs to be replaced, the filler discharge outlet is opened after shutdown to remove the filler; when the pipeline or aeration head in the aeration area needs to be repaired, the pipeline inspection port is opened after shutdown for maintenance.

[0054] The method of the embodiment of the present invention is implemented by electronic devices, so it is necessary to introduce the relevant electronic devices. Based on this purpose, the embodiment of the present invention provides an electronic device, such as Figure 3 As shown, the electronic device includes: at least one processor, a communications interface, at least one memory, and a communications bus, wherein the at least one processor, the communications interface, and the at least one memory communicate with each other via the communications bus. The at least one processor can call logic instructions in the at least one memory to execute all or part of the steps of the methods provided in the aforementioned method embodiments.

[0055] In addition, the logic instructions in the at least one memory mentioned above can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when sold or used as an independent product. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) to execute all or part of the steps of the method described in each method embodiment of the present invention. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0056] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.

[0057] Through the description of the above embodiments, those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware. Based on this understanding, the essence of the above technical solution or the part that contributes to the existing technology can be embodied in the form of a software product. This computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a magnetic disk, an optical disk, etc., and includes a number of instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or some parts of the embodiment.

[0058] The flowcharts and block diagrams in the accompanying drawings show the possible architectures, functions and operations of the systems, methods and computer program products according to multiple embodiments of the present invention. Based on this understanding, each box in the flowchart or block diagram can represent a module, program segment or part of the code, and the module, program segment or part of the code contains one or more executable instructions for implementing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the box can also occur in an order different from that marked in the accompanying drawings. For example, two consecutive boxes can actually be executed substantially in parallel, or sometimes in the opposite order, depending on the functions involved. It should also be noted that each box in the block diagram and / or flowchart, and the combination of boxes in the block diagram and / or flowchart, can be implemented with a dedicated hardware-based system that performs the specified function or action, or can be implemented with a combination of dedicated hardware and computer instructions.

[0059] It should be noted that the terms "include", "comprising" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "include..." do not exclude the presence of other identical elements in the process, method, article or device that includes the elements. Any "predetermined threshold", "preset threshold" or similar expressions that do not indicate a specific value can be determined by a person of ordinary skill in the art through simple experiments or corresponding debugging.

[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A method for treating wastewater by micro-electrolysis with coordinated magnetic field regulation, characterized in that: include: Step S1: Adjusting the hydrogen ion concentration index of the sewage to obtain adjusted sewage, and using a lift pump to pump the adjusted sewage to the water inlet of the micro-electrolysis reaction tower. After aeration by the aeration device in the aeration area, the adjusted sewage enters the micro-electrolysis reaction tower through the support layer. Step S2: Using the enameled copper wire coil wrapped around the outside of the micro-electrolysis reaction tower and the iron-carbon micro-electrolysis filler in the tower, a magnetic field generating device is formed. Direct current is passed through the micro-electrolysis reaction tower to form a magnetic field. The magnitude and direction of the magnetic field are controlled in real time according to the hydrogen ion concentration index, conductivity, chemical oxygen demand, and heavy metal ion concentration of the effluent. Step S3: After the magnetic field treatment, the adjusted sewage overflows through the trapezoidal overflow weir to the water collection tank, and the hydrogen ion concentration index, conductivity, chemical oxygen demand, and heavy metal ion concentration of the effluent are detected in real time by an online water quality monitoring system below the outlet. Step S4: Based on the detection results of step S3, the inlet hydrogen ion concentration index, magnetic field parameters, and aeration volume are adjusted in a coordinated manner to control the micro-electrolysis reaction conditions.

2. The method for treating wastewater by micro-electrolysis with coordinated magnetic field control according to claim 1, characterized in that: The magnitude and direction of the magnetic field are controlled in real time according to the hydrogen ion concentration index, electrical conductivity, chemical oxygen demand, and heavy metal ion concentration of the outlet water, including: sending a universal input and output signal to the H-bridge circuit to control the enameled copper wire coil to change the direction of the magnetic field; sending a pulse width modulation signal to the metal oxide semiconductor field effect transistor drive circuit to change the current magnitude of the enameled copper wire coil and adjust the magnetic field strength.

3. The method for treating wastewater by micro-electrolysis with coordinated magnetic field control according to claim 2, characterized in that: The linkage adjustment of the water inlet aeration volume includes: the metal oxide semiconductor field effect transistor driving circuit changes the output power of the aeration pump according to the received pulse width modulation signal, thereby adjusting the aeration volume of the aeration head at the bottom of the aeration area, and the aeration pump is connected to the aeration head through an aeration pipe.

4. The method for treating wastewater by micro-electrolysis enhanced by coordinated magnetic field control according to claim 3, characterized in that: The linkage adjustment of the inlet water hydrogen ion concentration index includes: sending a general input and output signal to a solid-state relay to control the opening and closing of the hydrogen ion concentration index automatic dosing device on the inner wall of the hydrogen ion concentration index adjustment pool to adjust the inlet water hydrogen ion concentration index by dosing.

5. The method for treating wastewater by micro-electrolysis with coordinated magnetic field control according to claim 4, characterized in that: The online water quality monitoring system includes: a hydrogen ion concentration index sensor, a conductivity sensor, a chemical oxygen demand sensor and a heavy metal ion concentration sensor, and regulates reaction conditions according to analog signals detected by the online water quality monitoring system.

6. The method for treating wastewater by micro-electrolysis with coordinated magnetic field control according to claim 5, characterized in that: After the micro-electrolysis reaction conditions are regulated, the method further includes: when the iron-carbon micro-electrolysis filler of the micro-electrolysis reaction tower needs to be replaced, the filler discharge port is opened after the machine is shut down to remove the filler; when the pipeline or aeration head in the aeration area needs to be repaired, the pipeline inspection port is opened after the machine is shut down to carry out maintenance.

7. A magnetic field coordinated control enhanced micro-electrolysis sewage treatment system, characterized in that: include: Hydrogen ion concentration index regulating tank, used to hold sewage; The hydrogen ion concentration index value automatic dosing device is used to adjust the hydrogen ion concentration index of sewage; Lifting pump, used to deliver sewage to the water inlet; An aeration head is used to aerate the sewage; an aeration pump is used to provide aeration gas to the aeration head; and a magnetic field generating device is used to control the intensity and direction of the magnetic field in which the sewage is located. An online water quality monitoring system is used to monitor the water quality of sewage; an STM32 main control chip is integrated in the online water quality detection system and is used to load a corresponding program to implement the magnetic field coordinated control enhanced micro-electrolysis sewage treatment method as described in any one of claims 1 to 6.

8. A magnetic field coordinated control enhanced micro-electrolysis sewage treatment device, characterized in that: include: The first main module is used to implement step S1: adjust the hydrogen ion concentration index of the sewage to obtain adjusted sewage, use a lift pump to pump the adjusted sewage to the water inlet of the micro-electrolysis reaction tower, and the adjusted sewage is aerated by the aeration device in the aeration area and then enters the micro-electrolysis reaction tower through the supporting layer; the second main module is used to implement step S2: use the enameled copper wire coil wrapped around the outside of the micro-electrolysis reaction tower and the iron-carbon micro-electrolysis filler in the tower to form a magnetic field generating device, pass direct current into the micro-electrolysis reaction tower to form a magnetic field, and generate a magnetic field according to the hydrogen ion concentration index of the effluent and the electric field. The size and direction of the magnetic field are controlled in real time by adjusting the conductivity, chemical oxygen demand and heavy metal ion concentration; the third main module is used to implement step S3: the regulated sewage after being treated by the magnetic field overflows to the collection tank through the trapezoidal overflow weir, and the hydrogen ion concentration index, conductivity, chemical oxygen demand and heavy metal ion concentration of the outlet are detected in real time by the online water quality monitoring system below the outlet; the fourth main module is used to implement step S4: based on the detection result of step S3, the hydrogen ion concentration index of the inlet water, the magnetic field parameters and the aeration volume are adjusted in a linked manner to regulate the micro-electrolysis reaction conditions.

9. An electronic device, characterized in that: include: At least one processor, at least one memory and a communication interface; wherein, The processor, memory and communication interface communicate with each other; The memory stores program instructions that can be executed by the processor, and the processor calls the program instructions to execute the method according to any one of claims 1 to 6.

10. A non-transitory computer-readable storage medium, characterized in that The non-transitory computer-readable storage medium stores computer instructions, which cause a computer to execute the method of any one of claims 1 to 6.

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