A PPH reaction tank for treating wastewater in preparation of praseodymium neodymium oxide

Abstract

The application provides a PPH reaction tank for treating wastewater in preparation of praseodymium neodymium oxide, relates to the technical field of rare earth smelting wastewater treatment equipment, and comprises a bottom plate, a kettle body, a driving mechanism, a rotating mechanism, a stirring mechanism and a control system. The control system comprises a central processing unit, a sensor group, a driving control module and a parameter adjustment module, can monitor the state parameters of the wastewater in real time, generates an adjustment instruction through deviation evaluation and optimization analysis, and dynamically controls the operation and power of dosing, temperature adjustment, wastewater conveying and stirring equipment. The scheme optimizes the stirring structure, integrates an intelligent control system and adds a precise control module, solves the problems of insufficient stirring, control lag and low treatment efficiency of the traditional reaction tank, realizes the high efficiency, automation and precision of praseodymium neodymium oxide wastewater treatment, and provides a more reliable equipment solution for rare earth smelting wastewater treatment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rare earth smelting wastewater treatment equipment, and particularly relates to a PPH reaction tank for wastewater treatment in preparation of praseodymium neodymium oxide. BACKGROUND

[0002] As a key raw material in the rare earth industry, praseodymium neodymium oxide plays an irreplaceable role in high-end fields such as new energy materials, precision electronic devices, and aerospace components. Its extraction and preparation process involves multiple steps such as leaching, purification, and precipitation. Each step produces wastewater with complex components, including high concentrations of rare earth ions (praseodymium, neodymium, etc.), as well as excessive acid and alkali substances, organic extractants, and heavy metal impurities. If this wastewater is discharged directly without strict treatment, not only will it result in waste of rare earth resources, but it will also cause irreversible pollution to soil and water, disrupting the ecological balance. Therefore, efficient treatment of this wastewater is an indispensable part of the praseodymium neodymium oxide production process.

[0003] PPH reaction tanks have become the core equipment for treating praseodymium neodymium oxide wastewater due to their excellent acid and alkali corrosion resistance and aging resistance. However, existing PPH reaction tanks have significant shortcomings in practical applications:

[0004] On the one hand, the mixing effect is limited. Traditional reaction tanks often use a single stirring shaft with a simple paddle structure, and the stirring range is limited to a local area within the tank, making it difficult for wastewater and treatment agents (such as acid-base regulators and precipitants) to fully contact, resulting in low reaction efficiency, prolonged treatment period, and the possibility of substandard effluent due to incomplete reaction.

[0005] On the other hand, there is a lack of precise automated control means. The treatment of praseodymium neodymium oxide wastewater is sensitive to reaction conditions, such as pH deviation from the optimal range, which can lead to incomplete precipitation of rare earth ions; excessive temperature fluctuations can affect the activity of reagents; improper liquid level control can cause tank overflow or insufficient reaction. Existing equipment relies on manual inspection and manual adjustment, making it difficult to respond to parameter changes in real time, increasing labor costs, and making the treatment process unstable and even causing secondary pollution due to lagging or errors in adjustment.

[0006] Therefore, it is necessary to provide a PPH reaction tank for wastewater treatment in the extraction and preparation of praseodymium neodymium oxide. SUMMARY

[0007] The present application aims to solve the problems of insufficient mixing, low wastewater treatment efficiency, and insufficient automation control of existing PPH reaction tanks, and provides a PPH reaction tank for wastewater treatment in the extraction and preparation of praseodymium neodymium oxide.

[0008] In order to solve the above technical problems, the PPH reaction tank for treating wastewater in the preparation of praseodymium neodymium oxide provided by the present application comprises a bottom plate and a kettle body fixedly connected to the upper end of the bottom plate, characterized in that: a stabilizing plate is fixedly connected between the outer circumferential side of the kettle body and the bottom plate, and a fixing ring is fixedly connected to the upper end of the outer circumferential side of the kettle body, three raw material pipelines are equidistantly connected to one side of the upper end of the kettle body on the upper end of the fixing ring, a driving mechanism is installed at the middle part of the upper end of the kettle body, a rotating mechanism is installed inside the kettle body, and a stirring mechanism is vertically and downwardly installed on the rotating mechanism; and a temperature adjusting device is further arranged in the kettle body;

[0009] It also comprises a control system; the control system comprises a central processing unit, a sensor group, a driving control module and a parameter adjustment module;

[0010] The sensor group is used for collecting wastewater treatment information of the wastewater in the kettle body; wherein the state information comprises pH value, temperature and liquid level;

[0011] The control algorithm of the central processing unit executes the logic as follows:

[0012] An information receiving unit receives the state data of the pH value, temperature and liquid level collected by the sensor group in real time, and transmits the state data to a deviation evaluation unit;

[0013] The deviation evaluation unit compares the state data with the preset standard state value, and generates an optimization signaling and a deviation analysis result if the parameter deviates from the allowable floating range;

[0014] An optimization analysis unit is used for triggering optimization analysis processing when the optimization signaling is generated, the optimization analysis processing is aimed at the oxidation praseodymium neodymium wastewater reaction hysteresis problem, generates an optimization adjustment coefficient by analyzing the parameter change trend in real time, is used for dynamically correcting the equipment operation parameter, and suppresses the parameter from continuously deviating from the preset range;

[0015] The driving control module controls the corresponding equipment to be started according to the optimization signaling, and the parameter adjustment module dynamically adjusts the equipment driving power according to the optimization adjustment coefficient, so as to realize the control of the dosing, temperature adjustment, wastewater conveying and stirring equipment.

[0016] Preferably, an outlet is formed through one side of the lower end of the kettle body, and a liquid outlet valve pipe is installed at the outlet.

[0017] Preferably, the driving mechanism comprises a fixed plate fixedly installed on the upper end of the kettle body by bolts, a servo motor is installed on the middle part of the upper end of the fixed plate by bolts, and the output end of the servo motor penetrates through the fixed plate and is located inside the kettle body.

[0018] Preferably, a positioning frame is fixedly connected to the inside of the kettle body at the lower end of the fixed plate.

[0019] Preferably, the rotating mechanism comprises three driven gears rotatably mounted inside the positioning frame, a driving gear rotatably mounted between the driven gears, a connecting plate fixedly connected to the lower end of the driving gear, and a fixed rod fixedly connected to the upper end of the driving gear and vertically upwardly connected to the output end of the servo motor.

[0020] Preferably, the stirring mechanism comprises connecting rods fixedly connected to the lower end of the driven gears, and stirring plates fixedly connected to the connecting rods.

[0021] Preferably, the sensor group comprises a pH sensor, a temperature sensor, a liquid level sensor, and a turbidity sensor.

[0022] The pH sensor is mounted in the middle of the inner side of the kettle body, for real-time monitoring of the pH of the wastewater.

[0023] The temperature sensor is mounted on the inner side wall of the kettle body, for monitoring the temperature of the wastewater in the kettle.

[0024] The liquid level sensor is mounted on the upper end of the inner side of the kettle body, for detecting the liquid level of the wastewater in the kettle.

[0025] The turbidity sensor is mounted on the inner side wall of the kettle body, for monitoring the turbidity of the wastewater.

[0026] Preferably, any parameter in the monitoring state data is monitored for deviation to generate a deviation analysis result, specifically:

[0027] The state information of the wastewater in the kettle body is obtained, including the liquid level, the pH, and the temperature; the current preparation production task is identified, and the standard state value of the parameter in the state information at any time is identified from the preparation production task; the preset standard state value is a parameter threshold value set for the praseodymium-neodymium oxide wastewater treatment scene, including the pH standard state value, the temperature standard state value, and the liquid level standard state value; the allowable floating range is set based on the reaction characteristics of the praseodymium-neodymium oxide wastewater, including the pH allowable floating, the temperature allowable floating, and the liquid level allowable floating.

[0028] The standard deviation value obtained by subtracting the preset standard state value from the value of the parameter in the state information is compared with the allowable floating range, if it is within the allowable floating range, the parameter is normal, if it is not within the allowable floating range, the parameter is deviated, and the optimization signaling corresponding to the parameter is generated; the deviation time, the deviation value, and the optimization signaling of all deviated parameters are recorded to form a deviation analysis result.

[0029] Preferably, the optimization analysis process is aimed at the reaction hysteresis problem of the praseodymium-neodymium oxide wastewater, and an optimization adjustment coefficient is generated by real-time analysis of the parameter change trend, specifically:

[0030] Taking the wastewater injection time as the initial time and the injection end time as the terminal time, if there is no end time, taking the current time as the terminal time, the time period is recorded as the wastewater injection time zone;

[0031] A parameter broken line graph is constructed in the time zone, a standard deviation value and a collection time difference point are entered, and a difference value line is connected by connecting adjacent points; the slope of each line is calculated, if the positive value is recorded as slope one, and the negative value is recorded as slope two, and the slope shadow value is obtained by weighting the sum of slope one and slope two and the preset weight;

[0032] The total number of difference value lines, the number of slope one and the number of slope two in the time zone are counted, the rising trend ratio and the falling trend ratio are calculated, and the trend influence value is obtained according to the preset formula; wherein the rising trend ratio is the ratio of the number of slope one to the total number of differences, and the falling trend ratio is the ratio of the number of slope two to the total number of differences;

[0033] The current standard deviation value, the slope shadow value and the trend influence value are weighted to obtain the optimization adjustment coefficient of the parameter.

[0034] Compared with the related art, the PPH reaction tank for wastewater treatment in the extraction and preparation of praseodymium neodymium oxide has the following beneficial effects:

[0035] 1. The scheme adopts a transmission structure of a driving gear and three driven gears to drive multiple groups of stirring plates to form a three-dimensional stirring range, solve the problem of insufficient mixing of a traditional single stirring shaft, and make the wastewater and treatment reagents contact more uniformly, accelerate the heavy metal precipitation and acid-base neutralization reaction, shorten the treatment period, and improve the purification efficiency.

[0036] 2. The scheme is provided with a control system, and a central processing unit dynamically generates an optimization instruction to drive a control module and a parameter adjustment module to cooperatively adjust the equipment operation, thereby replacing manual inspection and manual operation, avoiding fluctuations in the treatment effect caused by parameter deviation, and reducing labor costs and secondary pollution risks.

[0037] In summary, the scheme optimizes the stirring structure, integrates an intelligent control system, and adds a precise control module to solve the problems of insufficient stirring, control lag and low treatment efficiency of the traditional reaction tank, realize the efficiency, automation and precision of praseodymium neodymium oxide wastewater treatment, and provide a more reliable equipment solution for rare earth smelting wastewater treatment. BRIEF DESCRIPTION OF DRAWINGS

[0038] The drawings described herein are used to provide a further understanding of the present application, constitute a part of this application, and the illustrative embodiments of the present application and their descriptions are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0039] Figure 1 It is a perspective view of embodiment 1 of the PPH reaction tank for wastewater treatment in the extraction and preparation of praseodymium neodymium oxide provided by the present application;

[0040] Figure 2 Fig. 2 is a front view of the device of Fig. 1 ; Figure 1 Fig. 3 is another side view of the device of Fig. 1 ;

[0041] Figure 3 Fig. 4 is a bottom view of the device of Fig. 1 ; Figure 1 Fig. 5 is a bottom perspective view of the device of Fig. 1 ;

[0042] Figure 4 Fig. 6 is a partial perspective view of the device of Fig. 1 ; Figure 1 Fig. 7 is a top view of the device of Fig. 1 ;

[0043] Figure 5 Fig. 8 is a cross-sectional view of the device of Fig. 1 ; Figure 1 Fig. 9 is a perspective view of a positioning frame according to the present application;

[0044] Figure 6 Fig. 10 is a perspective view of a positioning frame according to the present application;

[0045] Figure 7 Fig. 11 is a schematic block diagram of a control system of the PPH reaction tank for treating wastewater in the preparation of praseodymium-neodymium oxide according to an embodiment of the present application.

[0046] In the figure, the serial numbers are as follows: 1, bottom plate; 2, kettle body; 3, fixed ring; 4, fixed plate; 5, servo motor; 6, raw material pipeline; 7, liquid outlet valve pipe; 8, stirring plate; 9, connecting plate; 10, driving gear; 11, driven gear; 12, connecting rod; 13, positioning frame. DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0048] The terms used in this disclosure are merely for the purpose of describing specific embodiments and are not intended to limit the present disclosure. The singular forms "a," "an," and "the" used in this disclosure and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0049] It should be understood that, although the terms first, second, third, etc. can be employed in this disclosure to describe various information, the information should not be limited to these terms. These terms are only used to differentiate one piece of information from another piece of information of the same type. For example, a first information can also be referred to as a second information, and similarly, a second information can also be referred to as a first information, without departing from the scope of the disclosure. Depending on the context, the word "if' as used herein can be interpreted as "when" or "upon determining" or "in response to determining". Embodiment 1

[0050] Please refer to Figures 1-6 The utility model provides a PPH reaction tank for wastewater treatment in praseodymium neodymium extraction preparation, including bottom plate 1 and fixedly connected on the bottom plate 1 upper end kettle body 2, fixedly connected with the stable plate between the kettle body 2 outer circumferential side and bottom plate 1, and the kettle body 2 outer circumferential side upper end is fixedly connected with the fixed ring 3, and the kettle body 2 upper end one side equidistantly connected with three raw material pipelines 6 on the fixed ring 3 upper end, the kettle body 2 upper end middle part is installed with drive mechanism, and the kettle body 2 inner side is installed with rotating mechanism, and the rotating mechanism is vertically downwardly installed with stirring mechanism, through the support of bottom plate 1 to kettle body 2, cooperate stable plate, fixed ring 3, raw material pipeline 6, drive mechanism, rotating mechanism and stirring mechanism, the stable placement of reaction tank and wastewater treatment function integration are convenient to realize, kettle body 2 lower end one side is penetrated and is set up with the discharge port, and the discharge port is installed with liquid valve pipe 7, through setting up the discharge port on the kettle body 2 lower end one side, and installing liquid valve pipe 7, be used to control the closing and opening discharge of wastewater in kettle body 2, drive mechanism includes the fixed plate 4 of bolted mounting on the kettle body 2 upper end, and the fixed plate 4 upper end middle part is installed with servo motor 5 through bolt, and the servo motor 5 output end is penetrated and is located the kettle body 2 inner side through the fixed plate 4, and the servo motor 5 is fixed through the fixed plate 4 on the kettle body 2 upper end, and the servo motor 5 output end is stretched into the kettle body 2 inner side, is used to provide power source for rotating mechanism and stirring mechanism.

[0051] It should be noted that at least one of the three raw material pipelines 6 is connected to the dosing device, and at least one is connected to the wastewater conveying device.

[0052] In the application, the lower end of the fixed plate 4 is fixedly connected with a positioning frame 13 inside the kettle body 2. By fixing the positioning frame 13 inside the kettle body 2 at the lower end of the fixed plate 4, installation support and positioning for the rotating mechanism are facilitated. The rotating mechanism comprises three driven gears 11 which are equidistantly and rotatably installed inside the positioning frame 13. The driven gears 11 are meshingly installed with a driving gear 10. The lower end of the driving gear 10 is fixedly connected with a connecting plate 9. The upper end of the driving gear 10 is vertically fixedly connected with a fixed rod. The fixed rod is vertically upwardly connected with the output end of the servo motor 5. By meshing the driving gear 10 inside the positioning frame 13 with the driven gears 11, and by connecting the connecting plate 9 and the fixed rod with the output end of the servo motor 5, power transmission and distribution are facilitated. The stirring mechanism comprises connecting rods 12 which are vertically fixedly connected at the lower end of the driven gears 11. The connecting rods 12 are annularly and equidistantly fixedly connected with stirring plates 8. By the connecting rods 12 at the lower end of the driven gears 11 and the stirring plates 8, wastewater in the kettle body 2 is stirred. Example 2

[0053] Please refer to Figure 7 As shown in the drawings, based on the PPH reaction tank for wastewater treatment in the extraction and preparation of praseodymium neodymium oxide provided in Example 1 of the application, another PPH reaction tank for wastewater treatment in the extraction and preparation of praseodymium neodymium oxide is provided in Example 2 of the application. Example 2 is only a preferred mode of Example 1. The implementation of Example 2 does not affect the implementation of Example 1.

[0054] Specifically, the PPH reaction tank for wastewater treatment in the extraction and preparation of praseodymium neodymium oxide provided in Example 2 of the application is different in that:

[0055] The PPH reaction tank for wastewater treatment in the extraction and preparation of praseodymium neodymium oxide comprises a control system.

[0056] The control system comprises a central processing unit, a sensor group, a driving control module, and a parameter adjustment module.

[0057] The sensor group is used to collect wastewater treatment information of wastewater in the kettle body 2. The state information includes pH value, temperature, and liquid level.

[0058] The control algorithm of the central processing unit executes the logic as follows:

[0059] The information receiving unit receives the state data of the pH value, temperature, and liquid level collected by the sensor group in real time, and transmits the state data to the deviation evaluation unit.

[0060] The deviation evaluation unit compares the state data with the preset standard state value. If the parameter deviates from the allowable floating range, an optimization signaling and a deviation analysis result are generated.

[0061] The optimization analysis unit is used to trigger the optimization analysis process when generating the optimization signaling, the optimization analysis process is aimed at the oxidation praseodymium neodymium wastewater reaction hysteresis problem, the optimization adjustment coefficient is generated by analyzing the parameter change trend in real time, which is used to dynamically correct the equipment operation parameters and suppress the continuous deviation of the parameters from the preset range;

[0062] The driving control module controls the corresponding equipment to start according to the optimization signaling, specifically:

[0063] The pH value corresponding optimization instruction is received, and the dosing device is controlled;

[0064] The temperature corresponding optimization instruction is received, and the temperature adjusting device is controlled;

[0065] The liquid level corresponding optimization instruction is received, and the wastewater conveying device is controlled;

[0066] The parameter adjustment module dynamically adjusts the driving power of the equipment according to the optimization adjustment coefficient, so as to control the dosing, temperature adjusting, wastewater conveying and stirring equipment, specifically:

[0067] When the pH value corresponding optimization signaling is received, the dosing device is adjusted according to the optimization adjustment coefficient;

[0068] When the temperature corresponding optimization signaling is received, the temperature adjusting device is adjusted according to the optimization adjustment coefficient;

[0069] When the liquid level corresponding optimization signaling is received, the wastewater conveying device is adjusted according to the optimization adjustment coefficient.

[0070] In the present application, the sensor group includes a pH sensor, a temperature sensor, a liquid level sensor and a turbidity sensor;

[0071] The pH sensor is installed in the middle part of the inner side of the kettle body 2, and is used to monitor the pH value of the wastewater in real time;

[0072] The temperature sensor is installed on the inner wall of the kettle body 2, and is used to monitor the temperature of the wastewater in the kettle;

[0073] The liquid level sensor is installed on the upper end of the inner side of the kettle body 2, and is used to detect the liquid level of the wastewater in the kettle; when the liquid level of the wastewater is higher than the expected height, it indicates that the amount of wastewater in the kettle body 2 reaches the expectation, and the full signaling is generated; when the liquid level of the wastewater is lower than the lowest expected height, it indicates that the amount of wastewater in the kettle body 2 is basically discharged, and the wastewater input signaling is generated;

[0074] The turbidity sensor is installed on the inner wall of the kettle body 2, and is used to monitor the turbidity of the wastewater.

[0075] It needs to be further explained that the central processor further comprises a turbidity analysis and processing module; the turbidity analysis and processing module obtains the turbidity of the wastewater in the tank body 2 after generating the liquid full signaling, calculates the statistical indicators of the turbidity of the wastewater in the injection time zone when the wastewater is injected, including the range value, the mean value, the standard deviation value and the variance value; the range value, the mean value, the standard deviation value and the variance value of the turbidity are weighted calculated with the preset weight to obtain the turbidity evaluation value; if the turbidity evaluation value is less than the preset turbidity threshold value, the wastewater replacement signaling is generated; the wastewater replacement signaling is used to control the temperature adjusting device, the dosing device and the stirring mechanism to be closed, and the outlet valve pipe 7 to be opened to discharge the waste liquid; when the wastewater input signaling is received, the temperature adjusting device is controlled to be in standby state, the dosing device and the wastewater conveying device convey the medicament and the wastewater at the preset speed, and the stirring mechanism operates at the preset first driving power;

[0076] The turbidity analysis and processing module further comprises a turbidity verification unit; the turbidity verification unit is used to judge whether the wastewater replacement signaling is executed:

[0077] When the wastewater replacement signaling is generated, the stirring mechanism is controlled to operate at a preset second driving power, wherein the preset second driving power is greater than the preset first driving power; after the stirring mechanism operates at the preset second driving power for a set verification time, the turbidity evaluation value in the tank body 2 is recalculated by the turbidity analysis and processing module; the difference between the recalculated turbidity evaluation value and the turbidity evaluation value before verification is calculated to obtain the turbidity change difference; the turbidity change difference and the recalculated turbidity evaluation value are weighted calculated to obtain the wastewater replacement continuous evaluation value, if the wastewater replacement continuous evaluation value is greater than the preset continuous threshold value, the wastewater replacement signaling is executed, otherwise, the devices are controlled to continue to operate;

[0078] It needs to be explained that the turbidity analysis and stirring compensation module is added, the wastewater replacement timing is accurately judged by the turbidity evaluation, and the power is dynamically adjusted according to the parameter deviation by the stirring compensation mechanism; the invalid drainage and excessive stirring are reduced, the medicament and energy consumption are saved, the stability of the water outlet indicators is ensured, and the resource recycling rate is improved.

[0079] In the present application, whether any parameter in the monitoring state data deviates is monitored to generate a deviation analysis result, specifically:

[0080] Acquire the state information of the wastewater inside vessel 2, including liquid level, pH, and temperature; identify the current preparation and production task, and determine the preset standard state values ​​of the parameters in the state information at any given time from the preparation and production task; the standard state values ​​specifically include, for example, pH standard state value of 6.5-8.5 (corresponding to the optimal pH range for rare earth ion precipitation), temperature standard state value of 30-40℃ (ensuring the suitable temperature range for reagent activity), and liquid level standard state value of 60%-80% of the vessel volume (to avoid overflow or insufficient reaction space); the allowable fluctuation range is set based on the reaction characteristics of praseodymium-neodymium oxide wastewater, with pH allowed to fluctuate ±0.5, temperature allowed to fluctuate ±2℃, and liquid level allowed to fluctuate ±5%;

[0081] The values ​​of the parameters in the status information Subtract the preset standard state value Obtain the standard deviation The formula is Compare with the allowable fluctuation range. If it is within the allowable fluctuation range, it means the parameter is normal. If it is not within the allowable fluctuation range, it means the parameter is deviating. Generate the corresponding optimization signal for the parameter. Record the deviation time, deviation value and optimization signal of all deviation parameters to form the deviation analysis result.

[0082] In this application, the optimization analysis unit is used to perform optimization analysis processing after receiving optimization signaling, specifically as follows:

[0083] The wastewater injection time zone is defined as the time when the wastewater is injected and the time when the injection ends. If there is no end time, the current time is used as the end time.

[0084] Construct a parameter line graph in this time zone, input the standard deviation and acquisition time to form difference points, and connect adjacent points to obtain difference lines; calculate the slope of each line, if the value is positive, record it as slope one, and if the value is negative, record it as slope two, and sum them to obtain the total value of slope one. Total value of slope The oblique shadow value is obtained by weighting it with the preset weight. The formula is ;in , Representing slope and total value respectively Total value of slope The corresponding preset slope weights;

[0085] Count the total number N, the number of slope one, and the number of slope two within this time zone, and calculate the ascending ratio. and decreasing ratio The trend influence value T is obtained according to the preset formula, which is: ;in, , , respectively represent the weight factor corresponding to the difference total, the rising trend ratio, and the falling trend ratio, the rising trend ratio is the ratio of the first slope to the difference total, and the falling trend ratio is the ratio of the second slope to the difference total;

[0086] The current standard deviation value, the slope shadow value, and the trend influence value are weighted to obtain an optimized adjustment coefficient of the parameter , and the formula is , wherein respectively represent the weight corresponding to the standard deviation value, the slope shadow value, and the trend influence value.

[0087] It needs to be further explained that when the central processor generates the optimized signaling for any parameter (such as temperature, pH) in the state information, the stirring compensation module synchronously identifies the number n of parameters in the current state information for which the optimized signaling has been generated; the deviation value of the parameter corresponding to the optimized signaling and the optimized adjustment coefficient of the parameter are weighted to generate a stirring mechanism adjustment coefficient , and the formula is , and the preset first driving power of the stirring mechanism is dynamically adjusted according to the adjustment coefficient; wherein i represents the number of the parameter corresponding to the optimized signaling, , represent the deviation value and the optimized adjustment coefficient of the parameter with the number i.

[0088] All the formulas in the scheme are processed by dimensionless processing (such as standardization, and the specific method is not described), and the formulas are obtained by software simulation fitting of a large amount of data to be close to the real working condition; the preset parameters in the formula are set by the person skilled in the art according to the actual demand.

[0089] The above embodiments can be realized by software, hardware, firmware, or any combination thereof. If realized by software, it can be embodied as a computer program product, containing computer instructions; the instructions can realize the related processes or functions when loaded or executed, and can be stored in a computer readable medium (such as a U disk, a hard disk, a ROM, a RAM, an optical disc, etc.), and can be transmitted through a wired or wireless way.

[0090] The execution order of each process is determined by its function and internal logic, and is irrelevant to the serial number.

[0091] The related units and algorithm steps can be realized by electronic hardware or a combination of software and hardware, and the specific mode depends on the application scene and design constraints of the technical scheme.

[0092] The implementation mode of the system, device, and method can be flexibly adjusted, and the unit division is only a logical function demonstration; the function units can be integrated or exist independently.

[0093] If the software function unit is sold in the form of an independent product, it can be stored in the computer readable medium described above, and the instructions contained therein can drive the computer device to execute the related method steps.

[0094] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope and spirit of the application being indicated by the following claims.

[0095] It is to be understood that the application is not limited to the precise structures described hereinabove and illustrated in the accompanying drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the application is indicated by the appended claims, rather than the description.

Claims

1. A PPH reaction vessel for wastewater treatment in the extraction and preparation of praseodymium-neodymium oxide, comprising a bottom plate (1) and a vessel body (2) fixedly connected to the upper end of the bottom plate (1), characterized in that: A stabilizing plate is fixedly connected between the outer periphery of the vessel body (2) and the bottom plate (1), and a fixing ring (3) is fixedly connected to the upper end of the outer periphery of the vessel body (2). Three raw material pipes (6) are equidistantly connected to one side of the upper end of the vessel body (2) at the upper end of the fixing ring (3). A driving mechanism is installed in the middle of the upper end of the vessel body (2), and a rotating mechanism is installed inside the vessel body (2). A stirring mechanism is installed vertically downward in the rotating mechanism. A temperature regulating device is also provided inside the vessel body (2). It also includes a control system; the control system includes a central processing unit, a sensor group, a drive control module, and a parameter adjustment module; The sensor group is used to collect wastewater status information inside the vessel (2); the status information includes pH, temperature, and liquid level. The control algorithm execution logic of the central processing unit is as follows: The information receiving unit receives real-time status data of pH, temperature, and liquid level collected by the sensor group and transmits it to the deviation evaluation unit. The deviation assessment unit compares the status data with the preset standard status values. If the parameters deviate from the allowable fluctuation range, it generates optimization signaling and deviation analysis results. The optimization analysis unit is used to trigger optimization analysis processing when generating optimization signaling. This optimization analysis processing addresses the reaction lag issue in praseodymium-neodymium oxide wastewater by generating optimization adjustment coefficients through real-time analysis of parameter change trends. Specifically: The wastewater injection time zone is defined as the time when the wastewater is injected and the time when the injection ends. If there is no end time, the current time is used as the end time. Construct a parameter line graph in this time zone, input the standard deviation and the collection time to form difference points, and connect adjacent points to obtain the difference line; Calculate the slope of each line. If the value is positive, record it as slope one and if the value is negative, record it as slope two. Sum the values ​​separately and then add them to the preset weights to obtain the shadow value. The total number of difference lines, the number of slope one, and the number of slope two within the time zone are counted. The rising trend ratio and the falling trend ratio are calculated, and the trend influence value is obtained according to the preset formula. The rising trend ratio is the ratio of slope one to the total number of differences, and the falling trend ratio is the ratio of slope two to the total number of differences. The current standard deviation, slant value, and trend influence value are weighted and calculated to obtain the parameter optimization adjustment coefficient; The drive control module controls the corresponding equipment to start according to the optimized signaling, and the parameter adjustment module dynamically adjusts the equipment drive power according to the optimized adjustment coefficient, so as to realize the control of the dosing, temperature adjustment, wastewater conveying and stirring equipment.

2. The PPH reaction vessel for wastewater treatment in the extraction and preparation of praseodymium-neodymium oxide according to claim 1, characterized in that: The lower end of the vessel body (2) is provided with a discharge port, and a liquid outlet valve pipe (7) is installed at the discharge port.

3. The PPH reaction vessel for wastewater treatment in the extraction and preparation of praseodymium-neodymium oxide according to claim 2, characterized in that: The driving mechanism includes a fixed plate (4) that is fixedly installed on the upper end of the vessel body (2) by bolts. A servo motor (5) is installed on the middle of the upper end of the fixed plate (4) by bolts. The output end of the servo motor (5) passes through the fixed plate (4) and is located inside the vessel body (2).

4. The PPH reaction vessel for wastewater treatment in the extraction and preparation of praseodymium-neodymium oxide according to claim 3, characterized in that: The lower end of the fixing plate (4) is fixedly connected to the positioning frame (13) inside the vessel body (2).

5. The PPH reaction vessel for wastewater treatment in the extraction and preparation of praseodymium-neodymium oxide according to claim 4, characterized in that: The rotating mechanism includes three driven gears (11) that are equidistantly rotatably installed inside the positioning frame (13). A drive gear (10) is meshed between the driven gears (11). A connecting plate (9) is fixedly connected to the lower end of the drive gear (10), and a fixing rod is vertically fixedly connected to the upper end of the drive gear (10). The fixing rod is vertically upward and locked to the output end of the servo motor (5).

6. The PPH reaction vessel for wastewater treatment in the extraction and preparation of praseodymium-neodymium oxide according to claim 5, characterized in that: The stirring mechanism includes a connecting rod (12) that is vertically fixed to the lower end of the driven gear (11), and a stirring plate (8) is fixedly connected to the connecting rod (12) at equal intervals around its periphery.

7. The PPH reaction vessel for wastewater treatment in the extraction and preparation of praseodymium-neodymium oxide according to claim 1, characterized in that, The sensor group includes a pH sensor, a temperature sensor, a liquid level sensor, and a turbidity sensor; The pH sensor is installed in the middle of the inner side of the vessel body (2) to monitor the acidity and alkalinity of the wastewater in real time. The temperature sensor is installed on the inner wall of the vessel body (2) to monitor the temperature of the wastewater inside the vessel; The liquid level sensor is installed on the upper inner side of the vessel body (2) to detect the liquid level of the wastewater inside the vessel; The turbidity sensor is installed on the inner wall of the vessel (2) to monitor the turbidity of the wastewater.

8. The PPH reaction vessel for wastewater treatment in the extraction and preparation of praseodymium-neodymium oxide according to claim 1, characterized in that, The system monitors whether any parameter in the status data shows a deviation, and generates deviation analysis results, specifically: Obtain the state information of the wastewater inside the vessel (2), including liquid level, pH, and temperature; identify the current preparation and production task, and identify the preset standard state values ​​of the parameters in the state information at any given time from the preparation and production task; the preset standard state values ​​are parameter thresholds set for the praseodymium oxide and neodymium wastewater treatment scenario, including standard state values ​​of pH, temperature, and liquid level; the allowable fluctuation range is set based on the reaction characteristics of praseodymium oxide and neodymium wastewater, including allowable fluctuation of pH, allowable fluctuation of temperature, and allowable fluctuation of liquid level. The standard deviation is obtained by subtracting the preset standard state value from the parameter value in the status information. It is then compared with the allowable fluctuation range. If it is within the allowable fluctuation range, the parameter is normal. If it is outside the allowable fluctuation range, the parameter is deviated. The corresponding optimization signal is generated for the parameter. The deviation time, deviation value and optimization signal of all deviation parameters are recorded to form the deviation analysis result.

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