167 results about "Process operation" patented technology

The invention discloses a full-automatic machining device based on pipeline support manufacturing, and relates to the technical field of metal machining, the full-automatic machining device comprises a base, a plurality of supporting strips mounted at the top of the base and a laser cutting machine mounted at the top of the base, and further comprises a material guiding mechanism and a material conveying mechanism, the cover body is arranged at the top of the base, the vacuum fixing assembly is installed in the cover body, and the displacement assembly is used for driving the cover body to move. The composite treatment mechanism comprises two sliding blocks arranged in the cover body, cleaning rollers installed on the outer walls of the opposite sides of the two sliding blocks correspondingly, polishing rollers installed at the bottoms of the sliding blocks and a linkage assembly used for driving the two sliding blocks to move; after the strip-shaped support is cut through laser, the strip-shaped support is transferred away, the strip-shaped support is sequentially subjected to light absorbent cleaning, notch polishing and cooling treatment, and the problem that in the prior art, follow-up treatment operation on the strip-shaped support is complex is solved.

The utility model provides a glue filling machine capable of quantitatively filling, which relates to the field of glue filling machines, and comprises a filling support, a glue filling mechanism, a glue filling mechanism, a glue filling mechanism, a glue filling mechanism, a glue filling mechanism, a glue filling mechanism and a glue filling mechanism, and is characterized in that the filling support is mounted on the rear side of a rack of a conveyor; an electromagnetic valve is mounted on a glue outlet head at the lower end of the glue storage tank, and the lower end of the glue outlet head of the glue storage tank is connected with a drainage pipe. The radar level meter is matched with the radar horn mouth to monitor the liquid level of glue in the glue filling barrel in real time, and after the liquid level in the glue barrel reaches the standard, the controller closes the electromagnetic valve, so that the phenomenon of overflow waste caused by the fact that the glue barrel is overfilled with the glue or the batch quality defect caused by insufficient filling of the glue in the glue barrel is avoided, and the production efficiency is improved. The metering precision and stability of the glue filling machine in the whole process operation are improved; the glue filling machine solves the problem that in the glue filling process of an existing glue filling machine, the amount of glue filled into a glue barrel is difficult to accurately control, so that the glue filling machine is poor in glue filling precision.

The invention discloses a flexible manufacturing process planning and execution method applied to a humanoid robot and related equipment, and the method comprises the steps: generating a standardized task description according to the visual element information, operator voice instruction information, work order text information and field state information of a flexible manufacturing production scene, searching in the process knowledge map to obtain an optimal standard process path, and generating a motion track of the humanoid robot; tool updating and station reconstruction are carried out according to the standardized task; and the humanoid robot is driven to execute technological operation according to the motion trail, and the working state of the humanoid robot is adjusted according to technological parameters and quality inspection parameters in the execution process. According to the embodiment of the invention, the method achieves the dynamic process planning and execution of the humanoid robot in a flexible manufacturing scene based on the multi-modal perception and process knowledge map technology, reduces the manual intervention, and improves the production efficiency and quality. The method can be widely applied to the technical field of automatic manufacturing.

This utility model discloses an intelligent, efficient, and controllable ferrophosphorus casting device, comprising a housing with multiple independently configured processing cavities on its inner side, including a main cavity and secondary cavities; a discharge pipe, a unloading pipe; and a sealing assembly including a support frame, a pressing cover, an adjusting rod, a support block, and a pneumatically controlled pressurizing port. The housing is configured with multiple independent processing cavities, each with a corresponding discharge pipe and unloading pipe, ensuring that each cavity can operate independently. This novel controllable ferrophosphorus casting device can also adjust the amount of compressed air supplied through the pneumatically controlled pressurizing port on the pressing cover to control the ferrophosphorus liquid level within the housing, thereby achieving automatic ferrophosphorus casting for aluminum electrolysis anode steel claws. This enhances the intelligence of workshop equipment while reducing labor costs and manual operation, significantly improving the efficiency of ferrophosphorus casting, saving energy and reducing consumption while improving the safety of process operations.

According to the ginseng extraction system and method provided by the invention, the dual goals of high purity and high yield of ginsenoside extraction are achieved through raw material adaptive parameter pre-optimization, self-adaptive cascade purification and activity protection, the enrichment effect of high-value monomer saponin is remarkable, and the loss of active ingredients is accurately controlled. According to the application, a detection-decision-regulation full-process closed-loop intelligent control system is constructed, near infrared spectrum rapid screening and HPLC-MS / MS accurate quantitative dual-mode online detection are fused, real-time and accurate monitoring of the saponin content is realized, and off-line detection and artificial experience parameters are not needed; the multi-target central control unit can automatically decide a purification path and process parameters according to detection data, and designs such as membrane pollution on-line monitoring, automatic backwashing and solvent circulating preheating are combined, so that continuous operation of the process is ensured, and production interruption caused by equipment failure and process fluctuation is avoided.

The invention discloses an axial auxiliary thin-wall pipe thermal expansion graphite forming method, and belongs to the technical field of metal pipe precision forming. The thermal expansion graphite with different properties is selected in the thin-wall pipe fitting and at the two ends of the thin-wall pipe fitting, the internal pressure for forming the thin-wall pipe fitting and the load required for axial end part material supplementation are provided by utilizing different thermal expansion effects and generated thermal-mechanical properties of the thermal expansion graphite under a certain temperature condition, and therefore near-equal-wall-thickness and high-quality forming of parts of the kind is achieved. The method provided by the invention has the advantages of simple mold structure, convenience in process operation and the like, and has relatively high engineering application and popularization values in the aspect of thin-wall pipe fitting forming in the fields of aerospace, machinery, automobiles and the like.

The utility model discloses a coil feeding and conveying mechanism which comprises a machine table, a feeding assembly, an arrangement assembly, a carrying assembly and a positioning structure. The feeding assembly is used for driving materials to move along the machine table. The arrangement assembly is used for arranging materials and wire legs of the materials; the feeding assembly can drive materials to penetrate through the arrangement assembly and move to the carrying assembly, the positioning structure is arranged on at least one of the feeding assembly, the arrangement assembly and the carrying assembly, and the positioning assembly is used for positioning the machine table, the materials and wire pins of the materials. In the process of transporting, arranging and carrying the materials, the positioning structure can position and fix the wire legs, so that the wire legs can be effectively ensured to be difficult to deform or damage in the operation process of transporting, arranging and / or carrying the materials, and the conveying stability of the materials can be effectively improved; and the follow-up working procedure operation can be smoothly carried out on the materials.

A method includes obtaining, by a processing device, an indication that a first process parameter is to be adjusted and an associated first direction of adjustment. The method further includes obtaining a first pre-set adjustment value associated with the first process parameter. The method further includes adjusting the first process parameter to generate a first adjusted process parameter in view of the first pre-set adjustment value and the first direction of adjustment. The method further includes enacting a process operation in view of the first adjusted process parameter.

The invention relates to the technical field of methanol synthesis system complementary energy utilization, in particular to a methanol pregnant solution complementary energy power generation system which comprises a pregnant solution conveying main path, a pressure difference stable control unit and a flow stabilizing unit. The rich liquid conveying main path comprises a methanol washing tower, a low-temperature impurity remover, a turbine body, a lean and rich methanol heat exchanger and a methanol regeneration tower; the methanol washing tower, the low-temperature impurity remover, the turbine body, the lean and rich methanol heat exchanger and the methanol regeneration tower are sequentially communicated in series along the flow direction of rich liquid; through graded flow stabilization of the flow stabilization unit, the turbine is always attached to the working condition of acting, the effective pressure difference of an inlet and an outlet of the turbine is locked through the pressure difference stability control unit, the problem of large fluctuation of the pressure difference is solved, complementary energy recovery and main process operation do not interfere with each other, energy conservation and production stability are both considered, low-temperature ammonium salt crystals in rich liquid are intercepted through the low-temperature impurity remover, and the production efficiency is improved. Service life of the system is prolonged and maintenance cost is reduced.

The invention relates to the field of manufacturing of vacuum devices, in particular to a soft packaging method and a coating device of a vacuum arc-extinguishing chamber. Providing a vacuum arc-extinguishing chamber to be softly packaged, a two-component electrical insulation interface adhesive and a coating tool; the surface of the vacuum arc-extinguishing chamber is cleaned, and rotary fixing tools are assembled at the two ends of the vacuum arc-extinguishing chamber; the vacuum arc-extinguishing chamber assembled with the rotary fixing tool is installed on a rotary table and rotates at a constant speed; by adjusting the position of the coating platform, a gap is formed between the coating platform and the vacuum arc-extinguishing chamber, and then the gap is locked; mixing the two-component electrical insulation interface adhesive to obtain a mixed adhesive material, filling the gap with the mixed adhesive material, and coating the vacuum arc-extinguishing chamber with the mixed adhesive material; standing and curing the coated vacuum arc-extinguishing chamber to realize soft package of the vacuum arc-extinguishing chamber; according to the method, any mold, molding equipment, cross-linking agent, drying oven and the like are not needed, and the problems of complicated process flow, high process operation difficulty, high mold development cost and long production period of the conventional soft package process of the vacuum arc-extinguishing chamber can be solved.

The invention relates to the technical field of industrial control, in particular to an intelligent production management process method for thick plate laser cutting in the steel processing industry. The intelligent control system automatically receives and decrypts encrypted production order information of the MES system, contour scanning and automatic verification are conducted on raw material steel plates through a 3D camera, then full-automatic typesetting is conducted based on an intelligent layout algorithm with the core of guaranteeing that finished products fall into the optimal physical and chemical performance interval of raw materials, and finally a cutting program is generated to drive equipment work. And the processing actual performance data is fed back in a closed-loop manner. The method effectively solves the problems that in traditional thick plate machining operation, the intelligent level is low, efficiency is low due to dependence on manual operation, cost is high, and quality consistency is difficult to guarantee. Seamless connection from order placing to completion and reporting is achieved, the production efficiency and the digital level are remarkably improved, feeding errors are effectively eradicated, the typesetting quality is optimized, and the labor cost and the error rate are reduced.

The application discloses a kind of gear steel 20CrMnTiH round steel heat treatment process, belong to metal material heat treatment technical field.The process is aimed at gear steel 20CrMnTiH round steel, through the multi-dimensional combination optimization of heating holding parameter, cooling mode and tempering process, realize the hardness and organization uniformity precision control of round steel heart, 1 / 2R place and edge, solve the technical problems that the hardness distribution of the specification round steel is uneven under traditional heat treatment process, organization defect is easy to produce, process adaptability is poor.The application process operation controllability is strong, parameter range adaptability is wide, the Brinell hardness difference of each part of 20CrMnTiH round steel after processing is small, metallographic structure is uniform and dense, without wassermann structure and other defects, comprehensive mechanical properties are excellent, suitable for large-scale industrial production, with higher practical value and popularization prospect.

The utility model relates to a multifunctional slide box, including the left open type box body and right open type box body of buckling, be equipped with the buckle slot on the left open type box body, be equipped with the buckle of cooperation with buckle slot on the right open type box body, the one side formed after buckle and buckle slot buckling is no convex plane. The utility model discloses through design the left open type box body and right open type box body of buckling, in the slide packing process, can directly batch put into the left open type box body or right open type box body, and immediately will right open type box body or left open type box body buckle and can complete installation, effectively solve the slide replenishing process operation cumbersome, the problem of packing time being longer. In addition, the one side formed after buckling is no convex plane, is convenient for buckling, and the aesthetic property is better.

The utility model relates to a copper rod double-station clamping tool which comprises an annular base, a rotating table is arranged in the center of the annular base, a working table is rotationally connected to the upper portion of the rotating table, a fixing base is arranged in the center of the working table, and independently-controlled air cylinders are arranged on the two sides of the fixing base respectively. Hinge seats are arranged on the two edge edges of the workbench, clamping jaw parts which are oppositely arranged are hinged to the hinge seats, each clamping jaw part comprises swing rods hinged to the hinge seats, gear parts which are meshed with each other are integrally arranged in the middles of the two swing rods, clamping jaw parts are arranged at the upper ends of the swing rods, and the clamping jaw parts are arranged on the upper ends of the gear parts. Clamping and loosening of the clamping jaw components can be completed through the air cylinder, meanwhile, the multiple sets of clamping jaw components are arranged on the surface of the workbench, the same process operation of multiple copper rods can be completed, meanwhile, different process operations of a single copper rod can be conducted through the rotating table, the machining treatment efficiency of the copper rods is improved, and the device is suitable for industrial production and has wide application prospects. And the practicability is very high.

The utility model discloses a BIM (Building Information Modeling)-based modularized rapid disassembly and assembly construction management device, and relates to the technical field of construction management devices. The storage box comprises a storage box body, the bottom of the surface of the storage box body is fixedly connected with a quick positioning mechanism, an inner cavity of the storage box body is fixedly connected with a translation assembly, and the quick positioning mechanism comprises a cover plate. Through the cooperation of the cover plate, the positioning block, the clamping block and the positioning groove, the storage box is rapidly closed, the positioning block can be rapidly embedded into the positioning groove of the clamping block only by putting down the cover plate through the hinge, preliminary positioning, clamping connection of the clamping rod and the positioning block driven by the spring and further reinforced connection are completed, the whole process is easy to operate, and operation is convenient. Complex tools are not needed, the working efficiency is improved, equipment in the storage box can be effectively protected from being affected by the external environment, and the device can be rapidly fixed on the construction site to be kept stable in the using process.

The utility model discloses an amplitude modulation device of a tentering setting machine, which relates to the technical field of amplitude modulation devices and comprises a fixed base, a moving component arranged on one side of the fixed base, a groove formed in the surface of one side of the fixed base, a supporting plate fixedly connected to the surface of one side of the fixed base, and an overturning component arranged on one side of the supporting plate. A rotating shaft is rotationally connected to the surface of one side of the supporting plate, and a clamping assembly is arranged at one end of the rotating shaft. According to the fabric width adjusting device, the width of fabrics with different lengths and widths can be adjusted through the moving assembly and the clamping assembly, the requirements of workers are met, the application range is wide, and the practicability of the device is greatly improved; according to the utility model, through the overturning assembly, the fabric can be driven to overturn and the other side of the fabric can be subjected to process operation after the process of one side of the fabric is finished, so that the working efficiency is improved, and the labor force is reduced.

The application relates to the technical field of electric control elements, in particular to a miniaturized high-protection DC contactor, so as to solve the problems that the process operation is complicated, time-consuming and large in space ratio when silicon rubber is generally used for internal filling of the traditional DC contactor, and finally the maintenance convenience of the internal filling structure of the DC contactor is poor and the overall application efficiency is low. The cover plate of the DC contactor is clamped with the base assembly through self-back dowel, the electromagnetic system drives the contact bridge mechanism to contact or separate from the static contact of the base assembly, the traditional screw column type base packaging structure is replaced, the space utilization rate in the shell is significantly improved by combining the up-down displacement of the contact bridge mechanism, the structural height is effectively reduced while the structural strength and sealing performance are ensured, the product miniaturization is ensured, the silicon rubber filling process is replaced by a sealing gasket, the assembly process is simplified, and the composite connection of the combined nail and rivet further guarantees the mechanical stability and sealing reliability of the overall structure.

A quality review management system may be used to analyze the operation of manufacturing processes within a plant based on data collected by various data sources in the plant, such as batch executive applications, to automatically detect, store, and display exceptions within those processes for use by a quality review engineer to determine if the process operation meets certain quality standards. The quality review management system includes a configuration application that enables a user to create one or more exception rules, an exception engine that uses plug-ins in various devices to collect process data and to analyze the process data using the rules to detect one or more exceptions within the process, and a review application that enables quality review personnel to review each determined exception for resolution purposes.

This invention discloses an electronic component manufacturing equipment, relating to the field of electronic component manufacturing technology. The equipment includes a frame with a liquid tank in the middle. A liquid outlet valve is located at the lower end of the liquid tank. A drive motor is fixed to one side of the frame, and a drive roller is fixed to the drive end of the motor. The drive roller is connected to a driven roller via a first conveyor belt. A drive wheel is fixed to the other end of the drive roller, and the drive wheel is connected to the driven wheel via a synchronous belt. A linkage roller is fixed to the middle of the driven wheel, and the linkage roller is connected to a rotating roller via a second conveyor belt. This electronic component manufacturing equipment achieves automated full-process operation of components, improving the overall efficiency of the manufacturing equipment. It also achieves automated drying, reducing equipment manufacturing and subsequent operation and maintenance costs. Furthermore, it provides dynamic cleaning, enhancing the practical value of the manufacturing equipment.

The invention relates to a device and a method for catalytic decomposition of a reducing agent in a PUREX process raffinate, the device comprises a storage tank, the storage tank collects the raffinate generated by a front-end process, the storage tank is connected with a constant liquid level preposed tank through a pipeline, the constant liquid level preposed tank is connected with a gas-liquid separation tank A through a pipeline, the gas-liquid separation tank A is connected with a preheating device through a pipeline, the preheating device is connected with a catalytic reaction device, and the catalytic reaction device is connected with a gas-liquid separation tank B through a pipeline. The catalytic reaction equipment is respectively connected with the gas-liquid separation tank B and the waste liquid receiving equipment, and the gas-liquid separation tank B is also connected with the tail gas treatment system. According to the invention, nitrogen oxide preparation and conveying systems are reduced; the whole process is convenient to operate, unattended operation can be realized only by controlling the flow and temperature of the feed liquid, and the irradiation dose of personnel is reduced; and the generated tail gas is less and is only nitrogen oxide generated by decomposition of a reducing agent, so that the burden of tail gas treatment in a factory can be reduced.

The utility model relates to the technical field of extrusion devices, in particular to an extrusion device for garbage disposal, which comprises a base, an extrusion box I is mounted on a fixed rod above the base, and symmetrical extrusion rollers are rotatably arranged in the extrusion box I; the first extrusion box is provided with a driving part used for driving the two sets of extrusion rollers to rotate oppositely to extrude the garbage, the bottom of the first extrusion box is connected with a second extrusion box, hydraulic cylinders are fixedly installed on the two sides of the second extrusion box, and symmetrical extrusion plates are arranged in the second extrusion box in a sliding mode; according to the extrusion device for garbage treatment, double extrusion can be conducted on garbage, the garbage compression effect is improved, the compressed garbage can be cut off and rapidly discharged when the garbage is extruded for the second time, the discharging speed is effectively increased, the labor intensity of workers is reduced, and the working efficiency is improved. Overall compression process operation is comprehensively accelerated, compression efficiency is improved, and practicability is high.

The invention discloses a line edge production indication method and system, and relates to the technical field of automobile production line operation indication, and the method comprises the steps: obtaining the information of a vehicle entering a production line; when the vehicle enters a preset position point, storing the identified vehicle information into vehicle queue information to obtain vehicle queue data; according to the vehicle queue data, the moving distance of the vehicle on the production line is obtained; and according to the moving distance of the vehicle on the production line, prompting process operation information required by the vehicle. According to the scheme, the operation instruction transmission efficiency and the operation standardization level are improved, and the production efficiency, the quality stability and the abnormal response capability are improved.

The invention relates to the technical field of data processing, in particular to an underwear production equipment operation state data processing method and system. The method comprises the following steps: acquiring a pulse signal of a rotary encoder, acquisition data of each sensor and an operation state of underwear production equipment; the rotary encoder pulse signals and the collected data are subjected to correlation marking, and all sensor data marked with pulse sequence numbers are obtained; obtaining all aligned sensor data according to all the sensor data marked with the pulse sequence numbers; according to the operation state of the underwear production equipment, pulse signal deviation is determined; obtaining all calibrated sensor data by using the pulse signal deviation; and matching all the calibrated sensor data with a preset causal association rule, determining each early warning component, and carrying out early warning prompt on each early warning component. The objective of the invention is to solve the problem that the quality of produced underwear products is poor due to the fact that operation state data cannot be accurately processed by an existing processing method.

The invention relates to the technical field of ship construction, in particular to an angle steel head pressing tool. An angle steel head pressing tool comprises a main body structure, a web plate containing groove used for containing a web plate of angle steel is formed in the main body structure, an abutting fixing piece is in threaded connection with the side wall of one side of the web plate containing groove, and the main body structure further comprises a pressing plate located at the upper end of the web plate containing groove and arranged with the web plate containing groove in a spaced mode. The pressing plate is in threaded connection with a pressing block structure used for moving in the direction of the web containing groove, and the pressing block structure is used for being pressed on a panel of the angle steel. By arranging the pressing plate and the pressing block structure in threaded connection with the pressing plate, pressure is conveniently applied to the panel, head pressing process operation is conveniently achieved, a force arm can be enlarged through the threads and the pressing block structure, an additional machine tool is not needed, and the problems that in the prior art, angle steel head pressing operation needs to be conducted through a specific machine tool, and operation is inconvenient are solved. Time and labor are wasted, and the machining cost is high.

The invention belongs to the technical field of hub brake disc locking, and particularly relates to brake disc screw automatic locking equipment which comprises a rack and a shell cover installed at the top of the rack, and the rack is provided with a rotary disc mechanism, a disc supplying mechanism, a disc carrying mechanism, a pneumatic screw feeding machine, a hole site adjusting mechanism, a screw locking mechanism, a discharging mechanism and a visual camera. The full-process operation from bolt supply and precise positioning to high-precision synchronous tightening and quality detection can be continuously and smoothly completed in one device. The problems that in the prior art, due to dispersed procedures and single equipment function, the production takt is slow, and the cooperation efficiency is low are solved, the consistency of the production efficiency and the locking quality is remarkably improved, meanwhile, the flexibility level of a production line is greatly improved through the equipment, and the production cost is reduced. And the complex requirement for large-scale and high-quality manufacturing of modern battery cars can be flexibly met, and key technical support is provided for industrial upgrading.

This invention discloses a method, equipment, and medium for optimizing gold ore beneficiation and smelting processes based on digital twins, relating to the field of digital twin technology in gold ore beneficiation and smelting. The method includes: collecting process operation data, control variable data, and actuator status data for each process in a gold ore beneficiation and smelting production line; preprocessing and associating these data with the process topology to generate process-level operation data streams; analyzing the response relationship between changes in control variables and process operation results based on the operating status of the process-level digital twin, identifying key coupled control variables, and constructing a cross-process coupling relationship graph; verifying cross-process linkage consistency and resolving control conflicts using a set of candidate collaborative control strategies, and determining the combination of cross-process linkage control actions. This invention achieves full-process digital synchronization and high-fidelity simulation by generating a process-level digital twin, improving process visualization and decision support capabilities.

The present application belongs to the technical field of rubber mixing process, and particularly relates to an intelligent process parameter optimization method for rubber mixing. The method comprises the following steps: S1, obtaining production data by using an intelligent mixing AI control platform; S2, extracting training data from the production data, training an AI process learning model, and storing the AI process learning model in the intelligent mixing AI control platform; S3, the intelligent mixing AI control platform sends the trained AI process learning model to an AI intelligent terminal; S4, starting an AI process operation program, collecting mixing process data in real time, inputting the collected data into the trained AI process learning model for optimization of process parameters, and outputting the optimized mixing AI process; S5, an auxiliary machine PLC terminal receives the mixing AI process and sends the mixing AI process to a rubber mixing machine; and S6, the rubber mixing machine executes the mixing AI process. The present application has the characteristics of realizing mixing process automation and intelligentization, and improving quality consistency and production efficiency.

The application discloses a multi-agent manufacturing process optimization method based on a multi-objective particle swarm algorithm, and comprises the following steps: for a manufacturing process of a process industry, a manufacturing process optimization model based on multi-agents is constructed, including a two-layer structure, wherein the upper layer structure is a total control agent and a pool agent used for storing algorithms and data information, and the lower layer structure is a raw material agent, a device agent, a management agent and a waste agent; each intelligent agent can interact with other agents based on a communication module of the intelligent agent; the agent is used as a particle in the multi-objective particle swarm algorithm, the agent population evolution ability is given, a corresponding data model is established for the multi-agent-based manufacturing process optimization model, the multi-objective particle swarm algorithm is used for solving, and an effective solution set is obtained. The cost after the optimization is lower than the actual cost, so the non-inferior solution set after the optimization can be used as a reference in actual production, so that the process operation manufacturing is improved in low consumption, high yield, high quality and cost reduction.

According to the preparation method of the 2.5 D packaging structure provided by the invention, in the process of preparing the 2.5 D packaging structure, the large-size substrate is directly and electrically connected with the rewiring layer, so that compared with a traditional technological process of packaging first and then carrying out substrate mounting, the warping problem of a high-performance and large-size chip packaging structure can be effectively solved, and the reliability of the packaging structure is improved. The problem of pseudo soldering caused by mismatching of thermal expansion coefficients is avoided; according to the preparation method of the 2.5 D packaging structure, the three supporting substrates are respectively and simultaneously subjected to process operation and then combined through bonding, so that the electrical connection quality can be improved, the process time can be effectively shortened, the process yield can be improved, and the thermal stress accumulation problem of the process structure can be improved.

The application provides a digital twin method and a predictive operation and maintenance system for a rectangular melting and separating furnace, equipment and a medium, which comprehensively considers the multidisciplinary complexity of the rectangular melting and separating furnace system by using the calculation results of the thermal coupling finite element model, is high in engineering precision, and is reliable in results; and can realize real-time forward and reverse calculation by using a statistical proxy model, can obtain the result state of the rectangular melting and separating furnace by forward process operation setting, and can perform fault detection and risk assessment, and can obtain the recommended value of the operation item setting by reverse presetting results, thereby effectively guiding the on-site production of the rectangular melting and separating furnace. Therefore, the application can efficiently and accurately predict the running state of the rectangular melting and separating furnace equipment under different process conditions, dynamically analyze the erosion and life trend of the furnace lining, identify abnormal deformation and structural risks of the furnace body in advance, guide the accurate operation and maintenance on site, significantly improve the safety, reliability and production efficiency of the furnace body, and thus has significant industrial application value and economic benefits.