A method and device for treating fluorine-containing wastewater, electronic equipment and storage medium

Abstract

The application discloses a fluorine-containing wastewater treatment method and device, electronic equipment and storage medium. The method comprises the following steps: obtaining water quality information of fluorine-containing wastewater in a target reaction tank; determining a target concentration of calcium ions in a target compound based on the water quality information and a preset fluorine ion concentration according to a solubility correlation model; determining a first dosage of a first medicament according to the correlation between the solubility correlation model and the dosage of calcium oxide and the pH value; determining a second dosage of a second medicament according to the target concentration and the first dosage of the first medicament; and putting the first medicament into the fluorine-containing wastewater based on the first dosage control and putting the second medicament into the fluorine-containing wastewater based on the second dosage control. The problem of high medicament cost and poor wastewater treatment effect caused by medicament dosage treatment based on a chemical balance formula is solved, the problem of excessive fluorine ion concentration in wastewater is effectively improved, and the medicament dosage is accurately controlled, thereby achieving the effect of reducing the cost.

Description

Technical Field

[0001] This invention relates to the field of wastewater treatment technology, and in particular to a method, apparatus, electronic device, and storage medium for treating fluoride-containing wastewater. Background Technology

[0002] In recent years, with the rapid development of the fluorochemical industry, certain environmental impacts have also been brought about. A large amount of fluoride-containing wastewater is generated during the manufacturing process of fluorochemicals, which can easily pollute water bodies, soil and plants. Therefore, it is necessary to treat the fluoride-containing wastewater.

[0003] Currently, most methods for treating fluoride-containing wastewater involve using chemical balancing to determine the dosage of chemicals to be added to the wastewater. The appropriate dosage is then added to the wastewater to react and generate precipitates, thus achieving fluoride removal. However, this method is prone to discrepancies between the calculated dosage and the actual reaction, resulting in either too much or too little chemicals being added. This leads to high chemical costs and poor wastewater treatment efficiency. Summary of the Invention

[0004] This invention provides a method, apparatus, electronic device, and storage medium for treating fluoride-containing wastewater, which can effectively improve the problem of excessive fluoride ion concentration in wastewater, while achieving precise control of the added reagents, improving the wastewater treatment effect, and reducing costs.

[0005] According to one aspect of the present invention, a method for treating fluoride-containing wastewater is provided, the method comprising:

[0006] Obtain water quality information of fluoride-containing wastewater in the target reaction tank; wherein, the water quality information includes temperature and pH.

[0007] Based on a pre-constructed solubility correlation model, and using the water quality information and a preset fluoride ion concentration, the target concentration of calcium ions in the target compound is determined; wherein, the solubility correlation model includes the correlation between temperature, pH, and calcium fluoride solubility; the target compound includes calcium fluoride;

[0008] Based on the solubility correlation model and the correlation between calcium oxide dosage and pH, the first dosage of the first reagent is determined; the first reagent includes calcium oxide.

[0009] Based on the target concentration and the first dosage of the first agent, a second dosage of the second agent is determined; the second agent includes calcium chloride.

[0010] The first agent is added to the fluoride-containing wastewater based on the first dosage control, and the second agent is added to the fluoride-containing wastewater based on the second dosage control.

[0011] According to another aspect of the present invention, an apparatus for treating fluoride-containing wastewater is provided, the apparatus comprising:

[0012] A water quality information acquisition module is used to acquire water quality information of fluoride-containing wastewater in the target reaction tank; wherein, the water quality information includes temperature and pH.

[0013] The target concentration determination module is used to determine the target concentration of calcium ions in a target compound based on the water quality information and the preset fluoride ion concentration, according to a pre-constructed solubility correlation model; wherein, the solubility correlation model includes the correlation between temperature, pH and calcium fluoride solubility; the target compound includes calcium fluoride;

[0014] The first dosage determination module is used to determine the first dosage of the first agent based on the solubility correlation model and the correlation between the dosage of calcium oxide and pH; the first agent includes calcium oxide.

[0015] The second dosage determination module is used to determine the second dosage of the second agent based on the target concentration and the first dosage of the first agent; the second agent includes calcium chloride.

[0016] The dosing module is used to control the dosing of the first agent into the fluoride-containing wastewater based on the first dosing amount, and to control the dosing of the second agent into the fluoride-containing wastewater based on the second dosing amount.

[0017] According to another aspect of the present invention, an electronic device is provided, the electronic device comprising:

[0018] At least one processor; and

[0019] A memory communicatively connected to the at least one processor; wherein,

[0020] The memory stores a computer program that can be executed by the at least one processor, which enables the at least one processor to perform the fluoride-containing wastewater treatment method according to any embodiment of the present invention.

[0021] According to another aspect of the present invention, a computer-readable storage medium is provided, the computer-readable storage medium storing computer instructions for causing a processor to execute and implement the method for treating fluoride-containing wastewater according to any embodiment of the present invention.

[0022] The technical solution of this invention obtains the water quality information of fluoride-containing wastewater in the target reaction tank; determines the target concentration of calcium ions in the target compound based on the water quality information and the preset fluoride ion concentration using a solubility correlation model; determines the first dosage of the first reagent based on the solubility correlation model and the correlation between calcium oxide dosage and pH; determines the second dosage of the second reagent based on the target concentration and the first dosage of the first reagent; and controls the addition of the first reagent to the fluoride-containing wastewater based on the first dosage and the second reagent based on the second dosage. This solves the problem of high reagent costs and poor wastewater treatment effect caused by the prior art of treating wastewater based on chemical balancing formulas. It achieves the calculation of the target concentration of calcium ions in the target compound based on the solubility of calcium fluoride precipitate under different conditions by reasonably setting the fluoride ion concentration in the target reaction tank. Simultaneously considering the correlation between calcium fluoride solubility, calcium oxide dosage, and pH, the dosage of the first and second reagents can be accurately calculated, achieving precise control over their dosage. This effectively improves the problem of excessive fluoride ion concentration in wastewater while simultaneously enabling precise control of fluoride ions in the discharged water, thus improving wastewater treatment efficiency and achieving cost reduction.

[0023] It should be understood that the description in this section is not intended to identify key or essential features of the embodiments of the present invention, nor is it intended to limit the scope of the invention. Other features of the invention will become readily apparent from the following description. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a flowchart of a method for treating fluoride-containing wastewater according to Embodiment 1 of the present invention;

[0026] Figure 2 This is a schematic diagram of a fluoride-containing wastewater treatment device according to Embodiment 2 of the present invention;

[0027] Figure 3 This is a schematic diagram of the structure of an electronic device for implementing the method for treating fluoride-containing wastewater according to an embodiment of the present invention. Detailed Implementation

[0028] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0029] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the invention described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0030] Example 1

[0031] Figure 1 This is a flowchart of a method for treating fluoride-containing wastewater according to Embodiment 1 of the present invention. This embodiment is applicable to the treatment of fluoride-containing wastewater. The method can be executed by a fluoride-containing wastewater treatment device, which can be implemented in hardware and / or software and can be configured in a computing device. Figure 1 As shown, the method includes:

[0032] S110. Obtain water quality information of fluoride-containing wastewater in the target reaction tank.

[0033] The target reaction tank can be either a primary or secondary reaction tank. The primary reaction tank is used to chemically react the freshly collected fluoride-containing wastewater, altering its pH level. Subsequent process steps after the primary reaction tank typically include a primary flocculation tank, a primary coagulation aid tank, and a primary sedimentation tank. After the primary process, the treated fluoride-containing wastewater undergoes a secondary process, first passing through the secondary reaction tank for further reaction, followed by flocculation, coagulation aid, and sedimentation, completing the entire two-stage fluoride removal process. Water quality information includes, but is not limited to, temperature and pH.

[0034] In this embodiment, a measuring instrument can be used to monitor the water quality information of the fluoride-containing wastewater in the target reaction tank in real time, so as to dynamically adjust the dosage of the reagent based on the water quality information.

[0035] S120. Based on the pre-constructed solubility correlation model, and using water quality information and preset fluoride ion concentration, determine the target concentration of calcium ions in the target compound.

[0036] The solubility correlation model can be used to provide the actual solubility of calcium fluoride at different temperatures and pH levels, including the correlation between temperature, pH, and calcium fluoride solubility. The target compound is calcium fluoride. The preset fluoride ion concentration can be determined based on chemical theoretical analysis and the requirements for fluoride ion concentration and pH in industrial wastewater discharge standards. For example, the target fluoride ion concentration for the clarified liquid in the primary reaction tank is set at 15 mg / L, and the target fluoride ion concentration for the clarified liquid in the secondary reaction tank is set at 7 mg / L.

[0037] It should be noted that the solubility of calcium fluoride varies with temperature, pH, and other impurities. Since industrial production is relatively stable, other impurities in wastewater are also relatively stable and can be considered constant. In practice, the target compound contains both fluoride and calcium ions. A solubility correlation model can be used to determine the solubility of the target compound based on water quality information. Then, based on the solubility of the target compound and the fluoride ion concentration, the target concentration of calcium ions in the target compound can be determined.

[0038] In this embodiment, the target concentration of calcium ions in the target compound is determined based on a pre-built solubility correlation model, water quality information, and a preset fluoride ion concentration. This includes: determining the target solubility of the target compound based on the water quality information and the pre-built solubility correlation model; and determining the target concentration of calcium ions based on the target solubility and the fluoride ion concentration.

[0039] In practical applications, the target solubility of a target compound can be determined based on water quality information using a solubility correlation model. For example, by using correlation relationships, the solubility correlation model can find a solubility that matches the water quality information; this solubility is the target solubility of the target compound. Alternatively, the solubility correlation model can be a pre-learned machine learning model. In this case, water quality information can be input into the solubility correlation model, and the model outputs the solubility corresponding to that water quality information, i.e., the target solubility. Furthermore, by combining the solubility of the target compound with a preset fluoride ion concentration, the calcium ion concentration in the target compound, i.e., the target concentration, can be determined.

[0040] In this embodiment, a solubility correlation model can also be pre-constructed. The solubility correlation model can be constructed by: acquiring water quality data of multiple sets of water samples in the target sedimentation tank; training an initial solubility correlation model based on the water quality data to obtain the solubility correlation model.

[0041] The target sedimentation tank can correspond to the target reaction tank, such as the primary stage. Water quality data includes water temperature, pH, calcium ion concentration, and fluoride ion concentration.

[0042] In practical applications, multiple sets of water quality samples from the primary sedimentation tank can be collected at different times for testing. These samples will measure indicators such as water temperature, pH, calcium ion concentration, and fluoride ion concentration, yielding water quality data for each set. Furthermore, a set of water quality data can be used as a training sample to obtain multiple training samples. These training samples are then input into an initial solubility correlation model. The model can calculate the solubility of calcium fluoride based on the calcium and fluoride ion concentrations in the training samples. This solubility is then correlated with the temperature and pH of the training samples. This correlation establishes a solubility correlation model, enabling the calculation of the relationship between temperature, pH, and calcium fluoride solubility. For example, machine learning models (SVM models and neural network models) can be used as the initial solubility correlation model.

[0043] S130. Based on the solubility correlation model and the correlation between calcium oxide dosage and pH, determine the first dosage of the first reagent.

[0044] The first agent can be a calcium ion-containing compound, used to provide calcium ions, such as calcium oxide.

[0045] In this embodiment, the first dosage of the first agent is determined based on the solubility correlation model and the correlation between calcium oxide dosage and pH, including: determining the pH of the water body at which the solubility of calcium fluoride is lowest based on the correlation between pH and calcium fluoride solubility in the solubility correlation model; and determining the first dosage of the first agent based on the pH of the water body through the correlation between calcium oxide dosage and pH.

[0046] Specifically, the pH level corresponding to the lowest calcium fluoride solubility can be determined by analyzing the correlation between pH and calcium fluoride solubility. This pH level can be used as the water's pH, for example, pH = 9. As the first reagent is added, the pH gradually increases, raising the alkalinity of the water. However, due to time lag, the addition of the first reagent cannot be controlled in real-time using PID (Proportional Integral Derivative) algorithms. Therefore, the optimal calcium oxide dosage can be calculated based on the correlation between calcium oxide dosage and pH, and this dosage can be used as the initial dosage of the first reagent. The water's pH can then be used as the control target for the first reagent dosage, maintaining the water's pH close to 9. The advantage of this approach is that the solubility correlation model built from water quality sample data accurately reflects the actual situation of wastewater treatment. Meanwhile, based on the correlation between calcium oxide dosage and pH, the dosage of calcium chloride and calcium oxide can be precisely controlled, thereby effectively improving the problem of excessive fluoride ion concentration in wastewater, achieving precise control of fluoride ions in the discharged water body, and saving related reagents.

[0047] It should be noted that S120 to S130 can be executed sequentially or in parallel. The specific execution order is not limited. The above order is only the order in which the technical solutions in each step are explained, not the execution order of each step.

[0048] S140. Determine the second dosage of the second agent based on the target concentration and the first dosage of the first agent.

[0049] The second reagent can be a calcium-ion-containing compound, such as calcium chloride, to provide calcium ions. It should be noted that the first and second reagents can react with fluoride ions in the fluoride-containing wastewater to generate calcium fluoride precipitate, thus achieving fluoride removal from the wastewater.

[0050] In practical applications, after determining the first dosage of the first agent, the required ion concentration of the second agent can be calculated by combining the calcium ion concentration in the first agent and the calcium ion concentration in the target compound, thereby determining the second dosage of the second agent. Specifically, determining the second dosage of the second agent based on the target concentration and the first dosage of the first agent includes: determining the calcium concentration of calcium ions in the first dosage of the first agent; and determining the second dosage of the second agent based on the target concentration and the calcium concentration.

[0051] In this embodiment, the calcium concentration of calcium ions contained in the first dosage of the first agent can be calculated based on the first dosage of the first agent. Further, the required ion concentration of the second agent to be added is calculated using the target concentration and the calcium concentration, thereby determining the second dosage of the second agent.

[0052] Optionally, the second dosage of the second agent is determined based on the target concentration and the calcium concentration, including: determining the concentration of the second agent to be administered based on the target concentration and the calcium concentration; and determining the second dosage of the second agent based on the agent concentration.

[0053] In practical applications, the concentration of the second agent to be added can be determined based on the concentration difference between the target concentration and the calcium concentration. For example, the concentration difference can be calculated by taking the difference between the target concentration and the calcium ion concentration in the added calcium oxide, and then the required concentration of the second agent can be calculated from this concentration difference. After determining the concentration of the second agent, the required dosage of the second agent can be calculated using a conversion formula.

[0054] S150. Based on the first dosage control, the first agent is added to the fluoride-containing wastewater, and based on the second dosage control, the second agent is added to the fluoride-containing wastewater.

[0055] In practice, the disadvantage of the second reagent, calcium chloride, is its high price, while the disadvantage of the first reagent, calcium oxide, is that it significantly increases the alkalinity of the water. Therefore, it is advisable to first add the first reagent to the fluoride-containing wastewater based on a first dosage control, and then add the second reagent based on a second dosage control. The dosing principle can be to first add calcium oxide, which can adjust the acidic water to neutral water, saving reagent costs. After the pH of the water has increased to the preset level, calcium chloride can then be added to further increase the calcium ion concentration in the water to reach the target concentration.

[0056] It should be noted that after determining the target concentration of calcium ions of the target compound in the target reaction tank, the dosage concentration of the reagents to be added in the subsequent processes (flocculation tank and coagulation aid tank) of the target reaction tank can be calculated based on the target concentration and the chemical balancing formula, such as PAC (polyaluminum chloride) and PAM (polyacrylamide).

[0057] The technical solution of this embodiment obtains the water quality information of the fluoride-containing wastewater in the target reaction tank; determines the target concentration of calcium ions in the target compound based on the water quality information and the preset fluoride ion concentration according to the solubility correlation model; determines the first dosage of the first reagent based on the solubility correlation model and the correlation between the amount of calcium oxide added and the pH; determines the second dosage of the second reagent based on the target concentration and the first dosage of the first reagent; and controls the addition of the first reagent to the fluoride-containing wastewater based on the first dosage and the second reagent to the fluoride-containing wastewater based on the second dosage. This solves the problem of high reagent costs and poor wastewater treatment effect caused by the existing technology of treating wastewater by adding reagents based on chemical balancing formulas. It realizes the calculation of the target concentration of calcium ions in the target compound based on the solubility of calcium fluoride precipitate under different conditions by reasonably setting the fluoride ion concentration in the target reaction tank. Simultaneously considering the correlation between calcium fluoride solubility, calcium oxide dosage, and pH, the dosage of the first and second reagents can be accurately calculated, achieving precise control over their dosage. This effectively improves the problem of excessive fluoride ion concentration in wastewater while simultaneously enabling precise control of fluoride ions in the discharged water, thus improving wastewater treatment efficiency and achieving cost reduction.

[0058] Example 2

[0059] Figure 2 This is a schematic diagram of a fluoride-containing wastewater treatment device according to Embodiment 2 of the present invention. Figure 2 As shown, the device includes: a water quality information acquisition module 210, a target concentration determination module 220, a first dosage determination module 230, a second dosage determination module 240, and a dosage module 250.

[0060] The system includes a water quality information acquisition module 210, used to acquire water quality information of fluoride-containing wastewater in the target reaction tank, including temperature and pH; a target concentration determination module 220, used to determine the target concentration of calcium ions in the target compound based on the water quality information and a preset fluoride ion concentration, according to a pre-constructed solubility correlation model; the solubility correlation model includes the correlation between temperature, pH and calcium fluoride solubility; the target compound includes calcium fluoride; a first dosage determination module 230, used to determine the first dosage of a first agent based on the solubility correlation model and the correlation between calcium oxide dosage and pH; the first agent includes calcium oxide; a second dosage determination module 240, used to determine the second dosage of a second agent based on the target concentration and the first dosage of the first agent; the second agent includes calcium chloride; and a dosage module 250, used to control the dosage of the first agent to the fluoride-containing wastewater based on the first dosage and the second agent to the fluoride-containing wastewater based on the second dosage.

[0061] The technical solution of this embodiment obtains the water quality information of the fluoride-containing wastewater in the target reaction tank; determines the target concentration of calcium ions in the target compound based on the water quality information and the preset fluoride ion concentration according to the solubility correlation model; determines the first dosage of the first agent based on the solubility correlation model and the correlation between the amount of calcium oxide added and the pH; determines the second dosage of the second agent based on the target concentration and the first dosage of the first agent; and controls the addition of the first agent to the fluoride-containing wastewater based on the first dosage and the second agent to the fluoride-containing wastewater based on the second dosage. This solves the problem of high agent cost and poor wastewater treatment effect caused by the existing technology of treating wastewater by adding agents based on chemical balancing formulas. It realizes the calculation of the target concentration of calcium ions in the target compound based on the solubility of calcium fluoride precipitate under different conditions by reasonably setting the fluoride ion concentration in the target reaction tank. Simultaneously considering the correlation between calcium fluoride solubility, calcium oxide dosage, and pH, the dosage of the first and second reagents can be accurately calculated, achieving precise control over their dosage. This effectively improves the problem of excessive fluoride ion concentration in wastewater while simultaneously enabling precise control of fluoride ions in the discharged water, thus improving wastewater treatment efficiency and achieving cost reduction.

[0062] Optionally, based on the above-mentioned device, the target concentration determination module 220 includes a target solubility determination unit and a target concentration determination unit.

[0063] The target solubility determination unit is used to determine the target solubility of the target compound based on the water quality information according to a pre-constructed solubility correlation model.

[0064] The target concentration determination unit is used to determine the target concentration of calcium ions based on the target solubility and the fluoride ion concentration.

[0065] Optionally, based on the above-mentioned device, the first dosage determination module 230 includes a water pH determination unit and a first dosage determination unit.

[0066] The water pH determination unit is used to determine the water pH at which the solubility of calcium fluoride is lowest, based on the correlation between pH and calcium fluoride solubility in the solubility correlation model.

[0067] The first dosage determination unit is used to determine the first dosage of the first agent based on the pH of the water body by means of the correlation between the dosage of calcium oxide and pH.

[0068] Optionally, based on the above-mentioned device, the second dosage determination module 240 includes a calcium concentration determination unit and a second dosage determination unit.

[0069] A calcium concentration determination unit is used to determine the calcium concentration of calcium ions in the first dosage of the first agent;

[0070] The second dosage determination unit is used to determine the second dosage of the second agent based on the target concentration and the calcium concentration.

[0071] Based on the above-mentioned device, optionally, the second dosage determination unit includes a drug concentration determination subunit and a second dosage determination subunit.

[0072] The agent concentration determination subunit is used to determine the agent concentration of the second agent to be administered based on the target concentration and the calcium concentration.

[0073] The second dosage determination subunit is used to determine the second dosage of the second agent based on the agent concentration.

[0074] Optionally, based on the above-described apparatus, a reagent concentration determination subunit is provided to determine the reagent concentration of the second reagent based on the concentration difference between the target concentration and the calcium concentration.

[0075] Optionally, based on the above-mentioned device, the device may further include a solubility correlation model construction module, which includes a water quality data acquisition unit and a solubility correlation model determination unit.

[0076] The water quality data acquisition unit is used to acquire water quality data of multiple sets of water samples in the target sedimentation tank; the water quality data includes the water temperature, pH, calcium ion concentration and fluoride ion concentration.

[0077] The solubility correlation model determination unit is used to train an initial solubility correlation model based on the water quality data to obtain the solubility correlation model.

[0078] The fluoride-containing wastewater treatment device provided in the embodiments of the present invention can perform the fluoride-containing wastewater treatment method provided in any embodiment of the present invention, and has the corresponding functional modules and beneficial effects of performing the method.

[0079] Example 3

[0080] Figure 3This is a schematic diagram of an electronic device for implementing the method for treating fluoride-containing wastewater according to embodiments of the present invention. The electronic device is intended to represent various forms of digital computers, such as laptop computers, desktop computers, workbenches, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. The electronic device can also represent various forms of mobile devices, such as personal digital processors, cellular phones, smartphones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions are merely illustrative and are not intended to limit the implementation of the invention described and / or claimed herein.

[0081] like Figure 3 As shown, the electronic device 10 includes at least one processor 11 and a memory, such as a read-only memory (ROM) 12 or a random access memory (RAM) 13, communicatively connected to the at least one processor 11. The memory stores computer programs executable by the at least one processor. The processor 11 can perform various appropriate actions and processes based on the computer program stored in the ROM 12 or loaded from storage unit 18 into the RAM 13. The RAM 13 can also store various programs and data required for the operation of the electronic device 10. The processor 11, ROM 12, and RAM 13 are interconnected via a bus 14. An input / output (I / O) interface 15 is also connected to the bus 14.

[0082] Multiple components in electronic device 10 are connected to I / O interface 15, including: input unit 16, such as keyboard, mouse, etc.; output unit 17, such as various types of displays, speakers, etc.; storage unit 18, such as disk, optical disk, etc.; and communication unit 19, such as network card, modem, wireless transceiver, etc. Communication unit 19 allows electronic device 10 to exchange information / data with other devices through computer networks such as the Internet and / or various telecommunications networks.

[0083] Processor 11 can be a variety of general-purpose and / or special-purpose processing components with processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a central processing unit (CPU), a graphics processing unit (GPU), various special-purpose artificial intelligence (AI) computing chips, various processors running machine learning model algorithms, a digital signal processor (DSP), and any suitable processor, controller, microcontroller, etc. Processor 11 performs the various methods and processes described above, such as methods for treating fluoride-containing wastewater.

[0084] In some embodiments, the method for treating fluoride-containing wastewater may be implemented as a computer program tangibly contained in a computer-readable storage medium, such as storage unit 18. In some embodiments, part or all of the computer program may be loaded and / or installed on electronic device 10 via ROM 12 and / or communication unit 19. When the computer program is loaded into RAM 13 and executed by processor 11, one or more steps of the method for treating fluoride-containing wastewater described above may be performed. Alternatively, in other embodiments, processor 11 may be configured to perform the method for treating fluoride-containing wastewater by any other suitable means (e.g., by means of firmware).

[0085] Various embodiments of the systems and techniques described above herein can be implemented in digital electronic circuit systems, integrated circuit systems, field-programmable gate arrays (FPGAs), application-specific integrated circuits (ASICs), application-specific standard products (ASSPs), systems-on-a-chip (SoCs), payload-programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various embodiments may include implementations in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which may be a dedicated or general-purpose programmable processor, capable of receiving data and instructions from a storage system, at least one input device, and at least one output device, and transmitting data and instructions to the storage system, the at least one input device, and the at least one output device.

[0086] Computer programs used to implement the methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing device, such that when executed by the processor, the computer programs cause the functions / operations specified in the flowcharts and / or block diagrams to be performed. The computer programs may be executed entirely on a machine, partially on a machine, or as a standalone software package, partially on a machine and partially on a remote machine, or entirely on a remote machine or server.

[0087] In the context of this invention, a computer-readable storage medium can be a tangible medium that may contain or store a computer program for use by or in conjunction with an instruction execution system, apparatus, or device. A computer-readable storage medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, apparatus, or devices, or any suitable combination thereof. Alternatively, a computer-readable storage medium may be a machine-readable signal medium. More specific examples of machine-readable storage media include electrical connections based on one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fibers, portable compact disk read-only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination thereof.

[0088] To provide interaction with a user, the systems and techniques described herein can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user; and a keyboard and pointing device (e.g., a mouse or trackball) through which the user provides input to the electronic device. Other types of devices can also be used to provide interaction with the user; for example, feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user can be received in any form (including sound input, voice input, or tactile input).

[0089] The systems and technologies described herein can be implemented in computing systems that include backend components (e.g., as data servers), or computing systems that include middleware components (e.g., application servers), or computing systems that include frontend components (e.g., user computers with graphical user interfaces or web browsers through which users can interact with implementations of the systems and technologies described herein), or any combination of such backend, middleware, or frontend components. The components of the system can be interconnected via digital data communication of any form or medium (e.g., communication networks). Examples of communication networks include local area networks (LANs), wide area networks (WANs), blockchain networks, and the Internet.

[0090] A computing system can include clients and servers. Clients and servers are generally located far apart and typically interact through communication networks. The client-server relationship is created by computer programs running on the respective computers and having a client-server relationship with each other. The server can be a cloud server, also known as a cloud computing server or cloud host, which is a hosting product within the cloud computing service system to address the shortcomings of traditional physical hosts and VPS services, such as high management difficulty and weak business scalability.

[0091] It should be understood that the various forms of processes shown above can be used, with steps reordered, added, or deleted. For example, the steps described in this invention can be executed in parallel, sequentially, or in different orders, as long as the desired result of the technical solution of this invention can be achieved, and this is not limited herein.

[0092] The specific embodiments described above do not constitute a limitation on the scope of protection of this invention. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this invention should be included within the scope of protection of this invention.

Claims

1. A method for treating fluoride-containing wastewater, characterized in that, include: Obtain water quality information of fluoride-containing wastewater in the target reaction tank; wherein, the water quality information includes temperature and pH. Based on a pre-constructed solubility correlation model, and using the water quality information and a preset fluoride ion concentration, the target concentration of calcium ions in the target compound is determined; wherein, the solubility correlation model includes the correlation between temperature, pH, and calcium fluoride solubility; the target compound includes calcium fluoride; Based on the solubility correlation model and the correlation between calcium oxide dosage and pH, the first dosage of the first reagent is determined; the first reagent includes calcium oxide. Based on the target concentration and the first dosage of the first agent, a second dosage of the second agent is determined; the second agent includes calcium chloride. The first agent is added to the fluoride-containing wastewater based on the first dosage control, and the second agent is added to the fluoride-containing wastewater based on the second dosage control; The construction of the solubility correlation model includes: Acquire water quality data from multiple sets of water samples in target sedimentation tanks; the water quality data includes water temperature, pH, calcium ion concentration, and fluoride ion concentration. A set of water quality data is used as a training sample to obtain multiple training samples; The training samples are input into the initial solubility correlation model, which calculates the solubility of calcium fluoride based on the calcium ion concentration and fluoride ion concentration in the training samples. The solubility is correlated with the temperature and pH of the training samples, and a solubility correlation model is constructed based on the correlation.

2. The method according to claim 1, characterized in that, The determination of the target concentration of calcium ions in the target compound based on the pre-constructed solubility correlation model, the water quality information, and the preset fluoride ion concentration includes: Based on the pre-constructed solubility correlation model, the target solubility of the target compound is determined using the water quality information. The target concentration of calcium ions is determined based on the target solubility and the fluoride ion concentration.

3. The method according to claim 1, characterized in that, The determination of the first dosage of the first reagent based on the solubility correlation model and the correlation between calcium oxide dosage and pH includes: Based on the correlation between pH and calcium fluoride solubility in the solubility correlation model, the pH of the water body at which the solubility of calcium fluoride is lowest is determined. The first dosage of the first agent is determined based on the pH of the water body by using the correlation between the amount of calcium oxide added and pH.

4. The method according to claim 1, characterized in that, The step of determining the second dosage of the second agent based on the target concentration and the first dosage of the first agent includes: Determine the calcium concentration of calcium ions in the first dosage of the first agent; The second dosage of the second agent is determined based on the target concentration and the calcium concentration.

5. The method according to claim 4, characterized in that, Determining the second dosage of the second agent based on the target concentration and the calcium concentration includes: Based on the target concentration and the calcium concentration, determine the concentration of the second agent to be administered; Based on the drug concentration, determine the second dosage of the second drug.

6. The method according to claim 5, characterized in that, Determining the concentration of the second agent to be administered based on the target concentration and the calcium concentration includes: The concentration of the second agent is determined based on the concentration difference between the target concentration and the calcium concentration.

7. A device for treating fluoride-containing wastewater, characterized in that, include: A water quality information acquisition module is used to acquire water quality information of fluoride-containing wastewater in the target reaction tank; wherein, the water quality information includes temperature and pH. The target concentration determination module is used to determine the target concentration of calcium ions in a target compound based on the water quality information and the preset fluoride ion concentration, according to a pre-constructed solubility correlation model; wherein, the solubility correlation model includes the correlation between temperature, pH and calcium fluoride solubility; the target compound includes calcium fluoride; The first dosage determination module is used to determine the first dosage of the first agent based on the solubility correlation model and the correlation between the dosage of calcium oxide and pH; the first agent includes calcium oxide. The second dosage determination module is used to determine the second dosage of the second agent based on the target concentration and the first dosage of the first agent; the second agent includes calcium chloride. The dosing module is used to control the dosing of the first agent into the fluoride-containing wastewater based on the first dosing amount, and to control the dosing of the second agent into the fluoride-containing wastewater based on the second dosing amount; The device further includes a solubility correlation model construction module, which includes a water quality data acquisition unit and a solubility correlation model determination unit. The water quality data acquisition unit is used to acquire water quality data of multiple sets of water samples in the target sedimentation tank; the water quality data includes the water temperature, pH, calcium ion concentration and fluoride ion concentration. The solubility correlation model determination unit is used to take a set of water quality data as a training sample to obtain multiple training samples; input the training samples into the initial solubility correlation model, and the model calculates the solubility of calcium fluoride through the calcium ion concentration and fluoride ion concentration in the training samples; correlate the solubility with the temperature and pH in the training samples, and construct the solubility correlation model through the correlation relationship.

8. An electronic device, characterized in that, The electronic device includes: At least one processor; and A memory communicatively connected to the at least one processor; wherein, The memory stores a computer program that can be executed by the at least one processor, the computer program being executed by the at least one processor to enable the at least one processor to perform the method for treating fluoride-containing wastewater according to any one of claims 1-6.

9. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer instructions that, when executed by a processor, implement the method for treating fluoride-containing wastewater as described in any one of claims 1-6.

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