192results about How to "Improve refinement" patented technology

The invention relates to a power grid business intelligent auditing method based on AI enhancement, and the method comprises the following steps: S1, collecting data from a power grid SCADA system and a financial system, integrating historical and real-time data, and constructing an auditing knowledge graph; s2, constructing an instruction recognition model by using RoBERTa to analyze a natural language instruction of an auditor, and combining knowledge graph information with a language model to improve the understanding and reasoning ability of an instruction background; s3, constructing a multi-task deep learning framework to realize processing and fusion of multiple auditing tasks; s4, on the basis of a natural language instruction input by an auditor, extracting query targets, conditions and parameters involved in the instruction according to the instruction recognition model, obtaining corresponding auditing data in the database, and obtaining intention classification; and S5, calling a corresponding auditing model based on the intention classification result and the auditing data, and obtaining an analysis result. According to the invention, efficiency and precision in power grid business auditing work are effectively improved.

The invention discloses a multispectral and hyperspectral image fusion method based on a spatial frequency collaborative network, relates to the technical field of remote sensing, and discloses the multispectral and hyperspectral image fusion method based on the spatial frequency collaborative network, comprising: acquiring a multispectral image and a hyperspectral image of a remote sensing image; on the basis of a CSAM module in a preset fusion model, capturing a spatial dependency relationship of the spatial branch features of the multispectral image and the hyperspectral image to obtain spatial features; based on an SFBM module in a preset fusion model, performing frequency dependence determination on the spatial branch features to obtain frequency features; and based on a convolutional layer in a preset fusion model, fusing the spatial features and the frequency features to obtain a fused image of the multispectral image and the hyperspectral image. By integrating the spatial domain and frequency domain features, the model can capture and fuse complex information in multispectral and hyperspectral images more accurately, and the image fusion quality is remarkably improved.

The invention relates to the technical field of reservoir storage capacity analysis, in particular to an intelligent reservoir storage capacity analysis method and system based on multi-source data fusion, and the method comprises the following steps: collecting ground water level sensor data, meteorological station data, LiDAR point cloud data and aerial image data, synchronizing the data through a unified timestamp, integrating the data, summarizing the integrated data, and carrying out the analysis of the reservoir storage capacity. And generating a comprehensive multi-source data set. According to the invention, through real-time updating and accurate tracking of daily reservoir capacity changes, the accuracy of reservoir capacity estimation is significantly improved, daily cumulative statistics of water level, rainfall and evaporation capacity data is integrated, dynamic and detailed management is promoted, seasonal changes and long-term trends of the reservoir water level are analyzed, and the reservoir capacity estimation accuracy is improved. The method can accurately reveal the direct effect of manual intervention and the influence of the manual intervention on the natural supply mode of the reservoir, can make a scientific decision based on a comprehensive data view, integrates short-term prediction and real-time data flow monitoring to enable an early warning system to quickly respond, and optimizes the efficiency and effectiveness of disaster management.

The invention provides a target submarine path prediction and tracking method for an unmanned ship, and belongs to the technical field of unmanned ship dynamic tracking. Track data are collected in various sea areas through a sonar radar array sensor of the underwater unmanned ship, and the comprehensiveness and robustness of the data are ensured. The core of the method is that a multi-head attention mechanism and a target submarine trajectory prediction model of an LSTM network are combined, trajectory features can be accurately captured, the moving trajectory of a future target submarine can be predicted, particularly, an environment sensing module is introduced, the influence of obstacles around the target submarine on target submarine trajectory prediction is considered, and the target submarine trajectory prediction accuracy is improved. And the prediction accuracy is improved. In the training process, a model interaction strategy is adopted to optimize the model performance and robustness. Finally, the system is successfully deployed in the unmanned ship, collects data in real time, predicts a target trajectory, guides the unmanned ship to accurately track, and provides powerful technical support for the fields of ocean exploration, resource development, safety maintenance and the like.

The invention provides an underwater explosion hull local structure damage assessment method, and relates to the technical field of data processing. The method comprises the following steps: acquiring underwater explosion working condition parameters, wherein the working condition parameters comprise a charge TNT equivalent and an explosion position; obtaining hull structure data; according to the working condition parameters and the ship body structure data, based on an equivalent simulation method, the initial damage degree of the ship body under the underwater explosion effect is calculated; determining the ship body area with the initial damage degree greater than the preset damage degree as a key local area; and according to the working condition parameters and the structural data of the key local area, the accurate damage degree of the key local area of the ship body under the underwater explosion effect is calculated based on a finite element analysis method. According to the method, fine finite element analysis can be carried out on a key local area with a large initial damage degree, the fine and accuracy of local structure damage evaluation are improved, simulation does not need to be carried out on the whole ship body every time, and the complexity and time consumption of simulation are reduced.

The invention relates to the technical field of desert vegetation recovery planning and monitoring systems, in particular to an intelligent desert vegetation recovery planning and monitoring system and method. And the planning optimization module is used for comparing and analyzing the image data of each time node in the data set to obtain the current ecological situation, carrying out simulation experiments based on different vegetation restoration schemes, and planning and designing vegetation restoration according to simulation experiment results. Obtaining a planning design scheme including a vegetation recovery type, a vegetation recovery region, different plant configuration, regional environment simulation and regional water system simulation; the monitoring module is used for monitoring the planning and design scheme, obtaining a vegetation image through an infrared sensor, and processing the vegetation image to obtain vegetation parameters; the service layer carries an artificial intelligence engine, undertakes core algorithm functions of data processing, change detection, growth prediction and the like, and provides an intelligent brain for scheme generation and problem diagnosis.

The invention provides a high-damping titanium alloy with a wide temperature range at a high temperature and a preparation method thereof. The titanium alloy is prepared from the following elements in percentage by mass: 3.4 to 5.2 percent of Al, 2.8 to 4.4 percent of Cr, 2.6 to 4.5 percent of Mo, 0.7 to 1.5 percent of Zr, 0.17 to 0.41 percent of O and the balance of Ti. The preparation method of the alloy comprises the following steps: (1) cast ingot smelting; (2) homogenization treatment; (3) beta forging treatment; (4) near beta forging treatment; (5) rolling treatment; and (6) annealing treatment. The method is reasonable in conception, the functional characteristics of wide temperature range and high damping can be obtained at high temperature, the mechanical properties of high strength and high plasticity are achieved, meanwhile, the preparation difficulty of the material is reduced in combination with a traditional titanium alloy machining method, and the method is suitable for large-scale production, popularization and application.

The invention relates to a vehicle abnormal position correction method, system and device based on road network position information and a medium, and the method comprises the steps: collecting and processing road network map information, tracking a vehicle position, and storing the vehicle position as a historical position point set; when the number of the historical position points exceeds a set threshold value, whether the vehicle is in an abnormal deviation state or not is judged according to the scene where the vehicle is located and the relative position relation between the vehicle and the road and road section range; if the vehicle is in the abnormal deviation state, acquiring a latest position point from a historical position point set, and predicting and covering the position of the vehicle; if not, front and back position abnormal state identification is carried out; and when the front and back positions are identified to be abnormal, obtaining the latest position point from the historical position point set, and predicting and covering the position of the vehicle. According to the invention, by fully utilizing and fusing a plurality of data sources, designing an innovative judgment rule and adopting a refined exception handling mode, the accuracy of vehicle position judgment and the fineness of exception handling are remarkably improved.

The invention relates to the technical field of medical image analysis, in particular to a training method and system for a cataract recognition model and a storage medium. The method comprises the following steps: acquiring cataract eye image samples and non-cataract eye image samples in different stages; lesion region segmentation and image synchronous simulation enhancement are carried out on the cataract eye image samples and the non-cataract eye image samples in different stages to obtain cataract lesion enhanced image samples and non-cataract enhanced image samples; extracting local detail features of the lesion and extracting structural features of a mask pair, and constructing a multi-task convolutional neural network learning framework to train a cataract recognition model and optimize focus weighted loss; and obtaining a cataract related key feature set and carrying out online incremental learning updating to generate a cataract recognition online incremental updating model. According to the invention, the accuracy and robustness of cataract recognition model training can be improved.

The invention relates to an aluminum-silicon alloy and a die-casting process thereof. The die-casting process of the aluminum-silicon alloy comprises the following steps: melting alloy raw materials, degassing and refining, carrying out semi-solid pulping, adding a refiner in the semi-solid pulping process, stirring, reducing the temperature of a semi-solid alloy melt, and continuously stirring, so as to realize primary refinement and modification of primary crystal grains and broken dendrites formed in the semi-solid slurry; a semi-solid alloy melt is obtained; and chilling, solidifying and forming the semi-solid alloy melt, and quenching to obtain the aluminum-silicon alloy casting. The invention further provides the aluminum-silicon alloy prepared through the die-casting technology. The problem that an existing refiner cannot meet the good refining effect and the good modification effect at the same time is solved, and the problems that an existing aluminum-silicon alloy die casting is thick in structure and poor in tensile property are further solved.

The invention provides a method for preparing austenite aging steel based on injection molding, and belongs to the technical field of steel materials. The modified raw materials such as the sulfur-carbon-molybdenum composite powder, the nitrogen-nickel composite powder and the boron-phosphorus-chromium composite powder are matched with the components such as the silicon powder, the manganese powder and the iron powder, the austenite aging steel is obtained through injection molding, the density of the austenite aging steel material is improved, and meanwhile the mechanical property and hardness of the austenite aging steel material are improved.

The invention provides a strategic key mineral resource comprehensive evaluation and decision support service method and system, and the method comprises the steps: S1, carrying out the data collection and preprocessing, and constructing a digital twinborn model; s2, carrying out whole industrial chain material flow analysis; s3, estimating the waste quantity and the recovery quantity of resource products, and calculating the stock quantity; and S4, performing comprehensive evaluation and early warning according to the calculated content, and visually displaying the data. According to the invention, digital modeling and simulation of the whole process of strategic key mineral resources from exploration and exploitation to recycling are realized, a data barrier of the whole industry chain is broken through, and a system solution of the whole life cycle is provided.

The invention discloses epigallocatechin gallate starch nanoparticles as well as a preparation method and application thereof, and belongs to the technical field of medicinal chemistry. According to the method, high-proportion branched-chain cassava starch is used as a raw material, ultrasonic microwave assistance is adopted, in the nanometer starch alcohol precipitation process, epigallocatechin gallate is synchronously packaged to form nanometer-level epigallocatechin gallate starch nanometer particles, and embedding of epigallocatechin gallate is completed. The embedding rate of the epigallocatechin gallate starch nanoparticles can reach 50.20%, the drug loading capacity can reach 311mg / g, the drug slow release performance is obvious in the process of simulating gastrointestinal digestion, the sustained release time can be 20 hours, the drug release capacity can reach 72.33% and 90.10% respectively, and the preparation process is simple, easy to operate, low in preparation cost and suitable for large-scale production and application.

The invention discloses an additive spinning composite forming device and method for a thin-wall rotary body part. The additive spinning composite forming device comprises a lifting platform, a rotating platform is installed on the lifting platform, a claw-shaped clamp is connected to the rotating platform, an additive base body is clamped by the claw-shaped clamp, and the thin-wall rotary body part is arranged on the additive base body; the thin-wall rotary body part is located between the two spinning mechanisms and the laser cladding head, the spinning mechanisms and the laser cladding head are connected to the clamping mechanism, the clamping mechanism is connected to one end of the mechanical arm, and the other end of the mechanical arm is connected to the mechanical arm base body; additive manufacturing of the thin-wall rotary body part and spinning of the additive deposition layer are synchronously achieved, material grain refinement and rearrangement are promoted through spinning of the deposition layer, the microstructure is improved, and the part performance is improved; and meanwhile, pores possibly generated in the additive manufacturing process are effectively eliminated through spinning, the compactness of the part is improved, and therefore the microstructure and the mechanical property of the thin-wall rotary body part manufactured through additive manufacturing are comprehensively improved.

The invention relates to the technical field of electronic material storage, in particular to a physical information and storage location space matching method and system, a terminal and a storage medium, and the method comprises the steps: obtaining the basic information and storage characteristics of storage locations, building a three-dimensional model for each storage location, presetting an image template for each storage location, and extracting the feature information of the image template, setting a unique storage location number for each image template; collecting object image information to be stored, extracting object image feature information based on a feature extraction algorithm, and setting a unique object number for the object image information; carrying out object image feature matching; when the matching is successful, obtaining a storage location number corresponding to the image template successfully matched with the real object image, storing the real object into the corresponding storage location, and performing storage display in the three-dimensional model; and after warehousing is completed, checking the feature information of the real object and the basic information of the storage location based on the number of the real object. Accurate warehouse-in and warehouse-out information checking is realized, and the convenience of warehouse management is comprehensively improved.

The invention relates to the technical field of electrodeposited nickel production, and provides an electrodeposited nickel pore inhibition adding composition which can simultaneously solve the technical problems of pores, acid mist and surface quality in the electrodeposited nickel production process. The composition is prepared from the following components in parts by weight: 0.03 to 0.08 part of anionic surfactant; 0.1 to 0.2 part of a nonionic surfactant; 0.01 to 0.03 part of a hydrogen inhibiting agent; and 1-5 parts of a grain refiner.

The invention belongs to the technical field of aluminum alloy processing, and particularly relates to a manufacturing method of a high-strength aluminum-lithium alloy plate, a non-homogenized casting blank is subjected to ultralow-temperature rolling, high-temperature rough rolling, ultralow-temperature finish rolling and aging treatment, the casting blank is made of aluminum-lithium alloy, the rolling temperature of ultralow-temperature rolling and ultralow-temperature finish rolling ranges from-196 DEG C to-100 DEG C, the temperature of high-temperature rough rolling ranges from-20 DEG C to-30 DEG C, and the temperature of high-temperature rough rolling ranges from-20 DEG C to-30 DEG C; the rolling temperature of the high-temperature rough rolling is 360-480 DEG C, and the total deformation is not less than 80%; the aluminum alloy plate is finer in crystal grain, higher in strength, better in ductility, higher in forming precision and better in surface quality.

The invention relates to the technical field of fused alumina zirconia bricks, in particular to a fused alumina zirconia refractory brick and a preparation technology.The fused alumina zirconia refractory brick is prepared from, by weight, 55-65 parts of alumina powder, 25-35 parts of zircon sand, 1-5 parts of modified nanometer alumina powder, 2-6 parts of binder, 1-2 parts of chromic oxide, 1-3 parts of yttrium oxide and 1-4 parts of fluxing agent. Through in-situ growth of a layer of carbon nanotube core-shell structure on the surface of nano-alumina, the core-shell structure can prevent direct contact between nano-alumina particles, so that the possibility of nano-alumina agglomeration is reduced, and nano-alumina is uniformly distributed in the corundum amorphous refractory brick. A finer dispersed phase is formed in the brick body, so that the expansion of cracks is hindered, and the toughness and the strength of the brick body are improved.

The invention discloses a red copper strip for an IGBT copper substrate and a processing method of the red copper strip, and belongs to the technical field of red copper processing. The red copper material is smelted, cast and processed into a cast ingot; heating is conducted in a stepping heating mode, the temperature range is 840-1000 DEG C, hot rolling and face milling are conducted, and a strip with the thickness being 15-20 mm is machined; rough rolling is conducted on the strip, and the strip is machined to be 3.8-4 mm in thickness through 8-pass rolling; annealing and cleaning; the cleaned strip is subjected to two-pass finish rolling, and a strip with the thickness ranging from 2.8 mm to 3.5 mm is formed; and cleaning to obtain the red copper strip for the IGBT copper substrate. The heat treatment, rough rolling and annealing processes in the red copper machining process are improved, the obtained red copper strip for the IGBT copper substrate is good in surface consistency, and the heat conduction performance is improved when the red copper strip is applied to an IGBT module.

The invention discloses a garden planting box convenient to disinfect and fertilize, belongs to the technical field of garden planting boxes, and provides the following scheme that the garden planting box comprises a garden planting box body, a stirring structure, a water guide pipe and an irrigation structure are arranged on the garden planting box body, and a driving structure is arranged on the stirring structure; by arranging a transfer structure and an irrigation structure, it is guaranteed that liquid in a stirring barrel can intermittently enter a water guide pipe, then the liquid enters an irrigation pipe through a connecting hose, and finally the liquid is discharged into the garden planting box body through a water outlet in the bottom of the irrigation pipe and reciprocates at the top along with the irrigation pipe; according to the irrigation mode, the uniformity of irrigation is improved, the infiltration effect of soil moisture is remarkably enhanced through an intermittent watering mode, meanwhile, the air permeability of the soil is maintained, the characteristic is crucial for infiltration of disinfectant fluid and fertilizer, it is ensured that the moisture can penetrate into the soil, and therefore the soil quality is improved. Therefore, the disinfection and fertilization effects are comprehensively improved.

The invention relates to the technical field of steel and iron materials and preparation thereof, in particular to extra-thick high-strength and high-toughness rack steel for an ocean platform and a manufacturing method of the extra-thick high-strength and high-toughness rack steel. The sum of the mass percent of the V element and the mass percent of the Nb element in the steel plate element composition ranges from 0.09% to 0.12%; the ratio of the mass percent of the V element to the mass percent of the Nb element is controlled to be 2: 1. A heat treatment process of quenching twice after controlled rolling and high-temperature tempering is adopted, a Ni-Cr-Mo alloying component system is utilized, steel of a tempered martensite structure is obtained, the maximum thickness can reach 210 mm, and the finally obtained steel plate has the yield strength larger than 880 MPa, the tensile strength larger than 1000 MPa, the Charpy V-notch impact energy at the temperature of-60 DEG C larger than 170 J and the percentage elongation after fracture larger than 17%. The steel plate is simple in production process, low in cost, good in structure uniformity in the thickness direction and excellent in obdurability matching, and can be used for manufacturing racks for ocean platforms.

The embodiment of the invention provides a page processing method and device for a hosting program, a medium and electronic equipment. The method comprises the following steps: acquiring a page jump parameter of a hosting program, wherein the page jump parameter comprises address information of a first target page to which the hosting program needs to jump and information of a user-defined routing parameter of the first target page; if the first target page is rendered by a first rendering engine supporting the self-defined routing, determining a rendering engine identifier and a page identifier corresponding to the first target page; and establishing a page tree corresponding to the hosting program according to the page identifier, and calling a rendering engine corresponding to the rendering engine identifier to render the first target page based on the page tree and the page jump parameter. According to the technical scheme provided by the embodiment of the invention, the requirements of developers on high customization and deep optimization can be met, the personalization, refinement and flexibility of page routing are improved, and meanwhile, the requirements of users on natural and smooth interaction experience are also met.

The utility model discloses a battery-grade manganous-manganic oxide preparation system which comprises a reaction kettle as well as a first storage tank, a second storage tank and a third storage tank which are connected with a feeding hole of the reaction kettle, the first storage tank is used for storing a slow-release agent, and a first feeding pump is arranged on a conveying pipe, connected with the reaction kettle, of the first storage tank; the second storage tank is used for storing a manganese sulfate solution; a second feeding pump is arranged on a conveying pipe for connecting the second storage tank and the reaction kettle; the third storage tank is used for storing alkali liquor, and a first feeding pump is arranged on a conveying pipe, connected with the reaction kettle, of the third storage tank; the reaction kettle is also connected with an oxidizing agent conveying pipe; a control valve is arranged on the oxidizing agent conveying pipe; a sampling port is formed in the reaction kettle and is connected with the particle size analyzer and the pH monitor respectively; a discharge hole is formed in the bottom of the reaction kettle. According to the utility model, the battery-grade manganous-manganic oxide product with higher purity and better performance can be obtained while the particle size is controlled.

The invention discloses a double-shaft stirring mixer for medicine-grade liquid medicine, and relates to the technical field of medicine production. According to the invention, the two swingable mixing stirring shafts are combined with the ultrasonic generators embedded in the stirring blades, so that the mixing effect is enhanced in macroscopic and microcosmic aspects. Due to the swinging design of the stirring shaft, the stirring blades can be in contact with more liquid, and the stirring uniformity is improved. The cavitation effect of ultrasonic waves further promotes refining and dispersion of particles in the liquid, efficient mixing of the medicine is ensured, and the device is particularly suitable for pharmaceutical-grade liquid medicine with high requirements for uniformity; the discharging process is controlled through the electric cylinder, and after mixing is completed, the sealing plug is automatically pulled away, so that mixed liquid is rapidly discharged through the funnel, and residues are prevented from blocking a pipeline. By means of the design, the discharging efficiency is improved, cleanliness of a discharging pipeline is guaranteed, the problems of shutdown and difficult cleaning caused by pipeline blockage in traditional equipment are solved, and the discharging device is particularly suitable for medicine factories with efficient production requirements.

The invention relates to the technical field of cement grinding aids, in particular to a composite liquid cement grinding aid and a preparation method of the composite liquid cement grinding aid. Maleic anhydride, triethanolamine, acrylic acid and isopentenyl polyoxyethylene ether are used as raw materials in a macromolecular grinding aid solution; a reaction product of maleic anhydride and triethanolamine can form a compound with special functional groups, the functional groups can be effectively adsorbed on the surfaces of cement particles, friction among the particles is reduced, the grinding efficiency is improved, and the dispersity and stability of the grinding aid can be further enhanced by adding acrylic acid and isopentenyl polyoxyethylene ether, so that the grinding aid has a good application prospect. The cement particles are more easily dispersed in water, the agglomeration phenomenon is reduced, and the refining of the cement particles is facilitated; according to the invention, sodium lignin sulfonate is modified by grafting diethanolamine, and on the basis of retaining the original dispersibility of sodium lignin sulfonate, a new functional group is introduced, so that the interaction between sodium lignin sulfonate and cement particles can be enhanced, and the grinding aiding effect is further improved.

The invention discloses continuous semi-solid pulping equipment and process. The continuous semi-solid pulping equipment comprises a forming mechanism; the conveying mechanism is mounted at the bottom of the forming mechanism; the melting mechanism is mounted at the top of the forming mechanism; the gas injection mechanism is mounted on the surface of the forming mechanism; and the air inlet end of the air exhaust mechanism communicates with the top of the forming mechanism. The invention aims to solve the technical problems that in the using process of existing semi-solid pulping equipment, gas injection is not uniform easily, slurry nucleation is not uniform due to the fact that gas injection is not uniform, the size of a crystal nucleus is not uniform, and finally liquidity difference is caused.

The invention discloses a marketing business risk management and control method and device, electronic equipment and a storage medium. The method comprises the steps of obtaining task associated data corresponding to a task work order of a target task in each reference task link, the reference task links being a plurality of auditing links involved in an auditing process of the task work order required by the target task, and the target task being a task related to an electric power marketing business; determining a target risk identification model adopted by the target task, wherein the target risk identification model is a preset inspection logic rule corresponding to task associated data; and identifying task risk data from the task associated data according to the target risk identification model, and generating a risk management and control scheme based on the task risk data. According to the scheme, the risk related to the task related to the power marketing business in each link of the auditing process is identified, and the corresponding risk management and control scheme is formulated, so that the efficiency, accuracy and comprehensiveness of risk management and control are improved.

The present invention discloses a pig farming intelligent decision-making management system based on multimodal information monitoring, which relates to the technical field of pig farming management. The intelligent decision-making management system includes: an information monitoring module, an abnormal warning module, an analysis and decision module, a management and control module, and an intelligent collaboration module, wherein the information monitoring module is used to divide the pig house into several enclosure areas through enclosure fences, and use the monitoring equipment configured in each enclosure area to monitor the multimodal information of the pig herd growth process in the enclosure area in real time. The present invention realizes the intelligent management of the whole process of pig farming by comprehensively applying information monitoring, abnormal warning, analysis and decision, management and control, and intelligent collaboration modules; comprehensively grasps the growth status of the pig herd by real-time collection of multimodal information in the enclosure area; analyzes information data in real time through edge computing equipment, quickly identifies and warns of abnormal situations, ensures timely handling of potential problems, and avoids the development of abnormal problems.

The invention provides a heat-treatment-free die-casting Al-Si alloy and a preparation method and application thereof. The heat treatment-free die-casting Al-Si alloy comprises the following components in percentage by weight: 8.10 to 10.30 percent of Si, 0.50 to 0.57 percent of Mn, 0 to 0.5 percent of Fe, 0.26 to 0.35 percent of Mg, 0.0045 to 0.0083 percent of B, 0.10 to 0.30 percent of Ti, less than or equal to 0.005 percent of Na, less than or equal to 0.005 percent of K, less than or equal to 0.005 percent of P and the balance of Al. The preparation method of the heat-treatment-free die-casting Al-Si alloy is low in cost and short in process, the obtained alloy is few in structure defect and excellent in mechanical property, and the tensile strength, the yield strength and the ductility are 310 MPa-340 MPa, 170 MPa-200 MPa and 10%-15% respectively.

The invention relates to an integrated preparation device for a ball-milling ash-based passivation material. The integrated preparation device comprises a feeding system, a ball-milling system, a washing and centrifuging system and a drying system, wherein the feeding system comprises a storage unit and a feeding pipeline; the ball milling system is connected with the feeding system; the ball milling system is positioned below the feeding system for a certain distance, and feeding is realized by utilizing gravity; the washing centrifugal system is connected with the ball milling system and comprises a centrifugal machine, a cleaning liquid storage tank, a waste liquid storage tank, a liquid conveying pipeline, a discharging pipeline and an automatic pH meter; and the drying system is connected with the washing and centrifuging system and comprises a feeding pipeline and a dryer. According to the invention, the ball milling system and the washing centrifugal system which are automatically controlled are designed, so that the purposes of efficiently preparing the ash-based passivation material and automatically washing pH are achieved.