111 results about "Aluminum electrolysis" patented technology

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.

This application discloses an aluminum electrolysis anode gas treatment device and flue gas treatment method, relating to the field of aluminum electrolysis flue gas treatment technology. The aluminum electrolysis anode gas treatment device includes: a gas collection unit disposed at the burner of the electrolytic cell; a separation unit, the inlet of which is connected to the outlet of the gas collection unit, the separation unit having a first outlet and a second outlet, the first outlet for outputting carbon dioxide gas and the second outlet for outputting carbon monoxide gas; a directional conversion unit, the inlet of which is connected to the first outlet of the separation unit; and a preheating unit, the inlet of which is connected to the second outlet of the separation unit. This application achieves a closed-loop treatment of aluminum electrolysis anode gas from collection, separation to resource utilization, simultaneously solving the technical problems of occupational health hazards, high carbon emissions, and carbon resource waste existing in the prior art.

This utility model discloses a surface-mount aluminum electrolytic capacitor, including a circuit board. An aluminum electrolytic capacitor block is fixedly connected to the upper side of the circuit board. A protective structure is provided on the outer side of the aluminum electrolytic capacitor block. The protective structure includes a protective block disposed on the outer side of the aluminum electrolytic capacitor block. A circular groove is formed on the lower side of the protective block, and several heat dissipation holes are formed on the upper side inside the circular groove. A slotted groove is formed on the lower side of the protective block, and a slotted groove is fixedly connected to the upper side of the circuit board. Compared with the prior art, the protective structure can protect the capacitor from the impact of external objects, and prevent the capacitor from being damaged by external objects, thus extending the service life of the capacitor.

The present application relates to the technical field of building construction, in particular to a kind of aluminum electrolysis cell refractory masonry winter construction method, including construction preparation, each process motivation technical measure implementation, construction quality control three stages, through systematic heat preservation heating and temperature control, ensure that aluminum electrolysis cell refractory masonry operating environment temperature is not less than 5 ℃, local wet operation area temperature is not less than 15 ℃. The whole system is kept warm, which ensures the quality of aluminum electrolysis cell construction in winter; Ensure the safety of personnel construction during construction, avoid the risk of scalding, fire and other risks caused by construction operation errors; Using electric heating method, it is more safe and environmental protection; Overall, it improves the construction efficiency, saves the construction period and saves the construction cost.

This invention provides a process and mixing and transfer equipment for recovering lithium and aluminum metals from impurity slag and lithium-rich aluminum electrolyte, relating to the field of non-ferrous metal resource recovery technology. The process includes the following steps: Step S1, crushing, grinding, and sieving the impurity slag generated during the preparation of lithium carbonate from spodumene and the lithium-rich aluminum electrolyte generated during aluminum electrolysis, followed by drying for later use. This scheme ultimately achieves the synergistic calcination of calcium carbonate in the spodumene impurity slag and fluorine in the lithium-rich aluminum electrolyte to generate calcium fluoride, realizing in-situ consolidation of harmful elements and avoiding fluorine contamination. After leaching the clinker with alkaline solution, lithium and aluminum enter the solution and are separated from calcium and silicon impurities. Subsequently, by controlling the pH value, aluminum hydroxide is preferentially precipitated, and after calcination, alumina is obtained. The liquid after aluminum precipitation is concentrated and carbonated to obtain high-purity lithium carbonate, achieving efficient extraction of lithium and aluminum and improving resource recovery rate.

This invention discloses a formation method for high-voltage anode foil, belonging to the technical field of anode foil for electrolytic capacitors. This formation method uses five to six stages of formation. Boric acid (0.1–10 wt%), tertiary phosphoric acid treatment, and tertiary high-temperature treatment in the formation solution improve the leakage current, loss, lifespan, and high-temperature resistance of the aluminum anode foil. Carboxylic acid treatment and hypophosphite (0.01–0.5 wt%) in the formation solution improve the density and hydration resistance of the oxide film. Hypophosphite and citric acid and citrate (0.01–0.5 wt%) in the formation solution increase the capacity of the aluminum anode foil. At a voltage specification of 650–950 VF, the high-voltage anode foil for aluminum electrolytic capacitors produced using this method exhibits high capacity, high-temperature resistance, and long lifespan, making it suitable for the production of 5G anode foil. The production process is simple to operate, the product has good stability, and it is suitable for industrial mass production.

This invention discloses a pretreatment solution for the etching process of aluminum foil for aluminum electrolytic capacitors based on synergistic complexation and its application method. The treatment solution contains sodium hydroxide, zinc oxide, a complexing agent, and a surfactant, and zinc chloride and potassium hydroxide can be added as needed. The complexing agent is at least one of sodium gluconate, sodium citrate, or disodium EDTA, and the surfactant is at least one of sodium dodecylbenzenesulfonate and sodium dodecyl sulfate. This invention inhibits the formation of Zn(OH)₂ precipitate through the synergistic chelation effect between the complexing agent and metal ions, enhances the surface activity of the aluminum foil, and improves the oxide film removal rate and the uniformity of corrosion porosity. In application, the aluminum foil is immersed in the treatment solution at 40-70℃ for 30-180 seconds with a stirring speed of 50-200 rpm. This invention is phosphorus-free and environmentally friendly, with high solution stability, and can increase the specific capacitance of the etched aluminum foil by more than 17.3%. It is suitable for the production of aluminum foil for high-voltage, high-specific-capacitance aluminum electrolytic capacitors and has high industrialization value.

This invention provides a method for determining the adjustable power range of an aluminum electrolytic cell. The method includes establishing a multiphysics CFD simulation model for the electrolytic cell, and using this model to solve for the distribution characteristics of temperature, voltage, and concentration under different input power P, as a training dataset. A dual-agent model is constructed, comprising a cell safety function model and a production economy function model, and supervised learning is used to train the dual-agent model using the training dataset. A multi-agent reinforcement learning system is constructed to solve for the minimum descent power and maximum escalation power of the aluminum electrolytic cell. This invention accurately characterizes the thermal field, electric field, and concentration distribution within the aluminum electrolytic cell through CFD simulation, and combines this with a safety agent model to evaluate in real time whether key indicators such as temperature, voltage, and concentration exceed limits, ensuring that the adjustment range is always within the safety boundary. The reinforcement learning agent of this invention autonomously seeks the power point with maximum output / lowest energy consumption while ensuring safety.

This application discloses a current regulating device, method, and related equipment for a continuous anode in an electrolytic cell, relating to the field of aluminum electrolysis technology. The current regulating device includes: multiple regulating devices and a conductive component. The conductive component is drivenly connected to the regulating devices and connected to the anode assembly of the aluminum electrolytic cell, located between the regulating devices and the anode assembly. At least two regulating devices form a group, with at least two regulating devices in each group respectively disposed on opposite sides of the anode assembly. Regulating devices in the same group apply or release pressure to the anode assembly through the conductive component to regulate the current density of the anode assembly. The embodiments provided in this application can improve the problem of uneven current density distribution in continuous anode assemblies during electrolysis, thereby improving the electrolysis efficiency of the aluminum electrolytic cell.

The application discloses an unmanned electrolytic multifunctional overhead traveling crane based on AI and machine vision and belongs to the technical field of intelligentization of aluminum electrolysis production equipment. An intelligent decision system is used for intelligent planning, decision and optimization of overhead traveling crane operation tasks and sends decision instructions; a visual perception system is used for collecting operation scene images and depth information, realizing target identification and positioning; an execution control system is used for receiving decision instructions and driving the overhead traveling crane to complete action execution and safety control; a remote monitoring system is used for manual real-time monitoring and emergency intervention; the intelligent decision system, the visual perception system, the execution control system and the remote monitoring system realize data interaction through industrial Ethernet and a wireless communication module. The application provides a complete solution for aluminum electrolysis production intelligentization through deep integration of AI and machine vision, is suitable for automatic operation of large-scale prebaked anode aluminum electrolytic cells, realizes unmanned operation of all functions such as crust breaking, anode replacement, feeding, slag fishing, aluminum tapping and busbar lifting and the like.

This invention discloses a real-time data anomaly detection method for aluminum electrolytic cells based on a half-space tree, which relates to the field of monitoring and anomaly detection technology in aluminum electrolytic production processes. The steps are as follows: S1: Collect real-time data from aluminum electrolytic cells and perform data cleaning to construct multi-timescale data windows; S2: Initialize a feature-weighted half-space tree model; S3: Calculate the anomaly scores of the long and short-term half-space tree models and perform weighted fusion; S4: Perform multi-level judgment on the anomaly scores according to adaptive thresholds and process rules; S5: Output anomaly detection results and visualization views at different levels. This invention can combine short-term and long-term scales to improve the comprehensiveness of anomaly capture, feature weighting to enhance the sensitivity of key features and reduce the risk of missed detection, adaptive threshold dynamic adjustment to reduce false alarms, process rule fusion to enhance engineering usability, and support real-time streaming processing, making it suitable for deployment in online monitoring systems.

The utility model discloses a balance fork for aluminum electrolysis residual pole replacement relates to aluminum electrolysis production technical field, including horizontal pole and vertical pole, and vertical pole is vertically arranged at the center place of horizontal pole, is provided with two balance subassembly on the horizontal pole, and balance subassembly includes first side pole and second side pole still, including fixed component, fixed component includes fixed frame, two -way screw rod, drive arrangement, screw block and compression device, and the fixed frame is fixed on the horizontal pole, and two -way screw rod rotation is connected on the fixed frame and is driven to rotate by drive arrangement, and two -way screw rod has the two thread sections of contrary rotation, respectively screw -thread connection one screw block on each thread section, each second side pole all is connected with a compression device, and the compression device can slide on the second side pole along the direction parallel to the horizontal pole, and one end of compression device is located the side of second side pole and is away from screw block, and the other end is opposite setting with screw block. The utility model can improve the scope of application, make residual pole more stable in the process of transfer, and the security is higher.

The utility model relates to capacitor technical field especially for a leaded aluminum electrolytic capacitor, including capacitor body, the outer wall of capacitor body is provided with protection mechanism, the protection mechanism includes the protection shell of sliding connection in the outer wall of capacitor body, the outer wall of protection shell is connected with the connecting strip of sliding, the outer wall of protection shell and in the fixed connection of approaching connecting strip position connection has the connecting block, the inside of connecting block and in the sliding connection of connecting strip has the positioning pin, the outer wall of positioning pin and in the fixed connection of connecting strip in has the sliding rod, the outer wall of sliding rod and in the fixed connection of connecting strip top has the adjusting ring, the bottom of sliding rod and in the fixed connection of connecting strip in has the compression spring, through design a leaded aluminum electrolytic capacitor, utilize the protection mechanism in this device to protect capacitor body, solved the capacitor outer wall of current existing without protection device, leading to external impact easy to damage capacitor.

This invention belongs to the field of lithium-ion production technology, and specifically relates to a high-efficiency and energy-saving mixing system for petroleum coke and pitch used in the production of aluminum electrolytic anode carbon blocks. The system includes a working plate with a material discharge hole at its top, and two rotating support seats symmetrically fixed to the top of the working plate. A large mixing cylinder is rotatably mounted on each of the two rotating support seats, with a discharge pipe connected to its outer side. The large mixing cylinder has an elliptical hollow structure, wider in the middle and narrower at both ends, used to accommodate and mix petroleum coke and pitch raw materials. Two annular support members are fixedly installed on the outer sides of both ends of the large mixing cylinder, and these two annular support members rotatably engage with the two rotating support seats. This invention achieves bidirectional reverse mixing, dual-mode heating for energy saving, precise temperature control and insulation, leak-proof sealing, and high-efficiency production, improving the quality and efficiency of anode carbon block production while reducing energy consumption.

The utility model belongs to the technical field of thermodetectors, and particularly relates to an intelligent thermodetector for thermal imaging of a cathode part of an aluminum electrolysis cell, which comprises a thermodetector main body and a temperature measuring system, wherein the thermodetector main body comprises a shell of which the front end is provided with a mounting interface, an extension tube fixed in the mounting interface of the shell, and a limiter; the temperature measurement system comprises a multifunctional touch screen module, an infrared thermal imaging module processor, a microswitch, a 4G Internet of Things module and an infrared thermal imaging module temperature measurement lens. According to the thermal imaging intelligent thermodetector for the cathode part of the aluminum electrolysis cell, a temperature measurement path is transferred from the furnace bottom of the electrolysis cell to the furnace surface of the electrolysis cell, a measurement visual angle and a measurement high-temperature area are greatly improved, the temperature measurement accuracy is ensured, and meanwhile, the safety risk existing on a traditional temperature measurement path is solved; in addition, a temperature measurement lens of the infrared thermal imaging module can be effectively adjusted and controlled to extend to a reasonable temperature measurement position below a heat dissipation window of the furnace surface of the electrolytic bath.

The application provides a method for optimizing an aluminum electrolysis cell furnace, and belongs to the technical field of electrolysis cell repairing.The application provides a method for optimizing an aluminum electrolysis cell furnace, which comprises the following steps: replacing the corner anode of the aluminum electrolysis cell, then adding aluminum fluoride and calcium fluoride into the electrolyte, laying alumina on the surface of the electrolyte to form an alumina layer; laying a broken material layer and alumina on the surface of the alumina layer and the surface of the anode in sequence to form a composite heat-insulating layer; laying a fabric on the surface of the composite heat-insulating layer, and then laying a heat-insulating material layer on the outside of the bottom of the aluminum electrolysis cell.The synergistic effect of the fluorinated salt and the composite heat insulation promotes the gradual and natural melting of the stretched leg, thereby effectively reducing the stretched leg in the period, and gradually adjusting the set voltage, so as to ensure the stability of the electrolysis cell.

The application discloses a petroleum coke raw material batching system and a batching method. The system comprises a premixing unit, a first mixing unit, a second mixing unit, a mixing and kneading unit, a compression molding unit and corresponding feeding equipment. Petroleum coke fine material feeding equipment is connected to the first mixing unit and the second mixing unit in two ways. A production control system receives production scheduling requirements, calculates the addition ratio alpha of the composite reinforced carbon-based material according to target performance, and automatically allocates the ratio of two-way petroleum coke fine material (the ratio of premixing material and remaining material) based on the addition ratio alpha of the composite reinforced carbon-based material, while regulating the operating parameters of the entire line. The scheme of the application not only ensures the sufficient dispersion of the reinforcing material, but also avoids excessive shearing and balances the processing capacity and production rhythm of each equipment on the production line, realizes flexible and intelligent production, can quickly switch different specifications of products, improves production efficiency, reduces energy consumption, and is particularly suitable for the large-scale production of conductive functional components such as aluminum electrolysis anodes and electric carbon electrodes.

The application discloses a kind of polymeric infrared image super-resolution reconstruction networks for aluminum electrolytic cell, comprising: shallow feature extraction subnetwork, for shallow feature extraction to the infrared image after pre-processing, obtain shallow feature;Deep feature extraction subnetwork includes n mutually connected residual blocks, wherein residual block includes: multi-scale compression diffusion Token aggregation module MS-CDTA and local area attention module;Local area attention module carries out local attention processing to the feature output by MS-CDTA finally forms feature flow;Image reconstruction subnetwork is used to reconstruct the image result consistent with the size of real high-resolution infrared image based on feature flow output.

This application belongs to the field of aluminum smelting technology, specifically proposing a device and method for optimizing the anode spacing of an aluminum electrolytic cell. The device includes: a sampling unit for collecting flue gas produced by the anode of the aluminum electrolytic cell to obtain a flue gas sample; an analysis unit, connected to the sampling unit, for performing component analysis on the flue gas sample to obtain the carbon dioxide concentration in the flue gas sample; and a control unit for determining the current efficiency of the aluminum electrolytic cell based on the carbon dioxide concentration, and optimizing the anode spacing of the aluminum electrolytic cell based on the current efficiency. The technical solution provided by this application can improve the uniformity of the current efficiency distribution of the aluminum electrolytic cell.

The utility model provides a good safety performance aluminum electrolytic capacitor, including shell, seal and core package, and the core package is sealedly arranged in the shell through the seal, and the bottom or side of shell is provided with explosion -proof valve, and the explosion -proof valve is provided with aluminium spacer between the core package, and the aluminium spacer is provided with vent hole, and the vent hole can be single -hole or multi -hole, but needs a hole to be opposite explosion -proof valve center, in the utility model, through the setting of isolation bucket or isolation sheet makes the explosion -proof valve of aluminum electrolytic capacitor when opening valve, electrolytic paper is not easy to spray from the shell, that is maximum limit is limited in the core package, thereby reducing the fire and explosion caused by the positive pole and negative pole short circuit of capacitor when explosion -proof valve opening valve.

The application discloses a novel large aluminum electrolysis cell side heat preservation device structure which is applied to the aluminum electrolysis cell side heat preservation device and has the technical characteristics that the upper and lower integrated buckling structure which is originally installed on the middle side space position of the upper part of the horizontal fume hood plate and the cell shell is changed into the structure configuration that the bottom is a heavy vertical heat preservation box structure and the upper part is a light heat preservation cell cover plate structure, the bottom heavy vertical heat preservation box wall is made of the combination of metal materials and heat preservation refractory materials and is arranged along the length direction of the aluminum electrolysis cell and is installed on the upper part of the aluminum electrolysis cell shell horizontal plate to implement the heat preservation on the high temperature area of the upper part of the aluminum electrolysis cell shell; the upper part light heat preservation cell cover plate structure is made of the combination of aluminum alloy structure and light heat preservation refractory fiber materials and is installed between the upper part of the bottom heavy vertical heat preservation box structure and the aluminum electrolysis cell horizontal fume hood plate to implement the heat preservation on the aluminum electrolysis cell electrode replacement operation space.

The present application relates to the technical field of aluminum electrolysis, and provides an aluminum electrolysis cell digital twin model fault diagnosis method based on deep learning optimization, comprising the following steps: obtaining current data of an aluminum electrolysis cell, and preprocessing the current data of the aluminum electrolysis cell; performing first region division, second region division and third region division on the aluminum electrolysis cell; setting an anode fault diagnosis model; setting a cathode safety detection model; inputting an anode feature vector into the anode fault diagnosis model to diagnose the fault state of the aluminum electrolysis cell; inputting a cathode feature vector into the cathode safety detection model to detect the safety risk state of the aluminum electrolysis cell; when the regional change of the current data belongs to a pseudo-fault feature, it is determined that the current fault diagnosis early warning is a pseudo effect, and the fault diagnosis early warning is filtered. The present application can realize monitoring of the operating state of the aluminum electrolysis cell, identify various process faults and equipment safety risks, and improve the stability of the electrolysis cell operation.

The application discloses a kind of miniaturization high-voltage-resistant capacitor core package optimization preparation methods of insulating composite structure, belong to high-voltage aluminum electrolytic capacitor manufacturing technical field.Through preparation inner compact, middle electric resistance, outer gas-permeable three-layer gradient composite insulating paper, and the edge of anode foil is locally thickened treatment;Using hierarchical tension winding and radial cold pressure shaping process, annular buffer groove is formed in the outer edge of core package, and the structural compactness is improved and the electric field and thermal stress are released;Utilize temperature ladder vacuum infiltration process to realize electrolyte gapless full impregnation, cooperate with asymmetric diagonal lead-out pole layout to reduce parasitic capacitance coupling;Finally, through multistage ladder voltage aging, repair anode oxidation film defect, screen potential defective products.The application significantly suppresses local electric field concentration and partial discharge, improves the voltage level, high-temperature reliability and service life of miniaturized core package, and is suitable for new energy, rail transit and industrial power supply and other high-voltage high-density application scenarios.

The application discloses a kind of electrolytic aluminum cell cathode overhaul slag resource utilization proportioning determination method, by analyzing the calorific value and composition of cathode overhaul slag, the concentration of main pollutants therein is determined, the composition of raw coal is determined, the minimum calorific value of power plant coal, the migration and conversion law of fluorine element in coal-fired boiler and the fluorine element balance point are determined to determine the blending ratio of cathode overhaul slag and raw coal.The blending ratio of cathode overhaul slag and raw coal determined by the method of the application is incinerated, no secondary pollution and new hazardous waste will be produced, the method of the application can comprehensively utilize the heat resources of cathode overhaul slag, the process is simple, the energy consumption is low, the recovery efficiency of cathode overhaul slag is high, and harmless, reduction and resource utilization can be achieved, the secondary risk brought by cathode overhaul slag disposal is reduced.It opens up a new direction and idea for the resource utilization and reduction of cathode overhaul slag in the national electrolytic aluminum industry, and the economic, environmental and social benefits are very significant.

This invention discloses an aluminum powder sintered electrolytic capacitor anode without an aluminum foil carrier, its preparation method, and its application. Belonging to the field of electrochemical device fabrication technology, the method involves grinding and depolymerizing aluminum powder, filling it into a mold, inserting aluminum wire into the aluminum powder, and pressing it into shape to obtain a green body. After vacuum sintering, anodizing is performed in an ammonium salt or borate solution to obtain the aluminum powder sintered electrolytic capacitor anode without an aluminum foil carrier. By directly pressing pure aluminum powder and aluminum wire leads into shape and then vacuum sintering, a self-supporting porous anode block without an aluminum foil carrier is obtained. This structurally eliminates the risk of interface failure between the foil carrier and the coating layer, avoids the introduction of organic binders, simplifies the process flow, and improves the designability of the pore structure and the mechanical reliability of the anode. The capacitance density after formation can reach 4.0 × 10⁻⁶. 4 μF·V / g, volumetric capacitance density not less than 7.1×10 4 μF·V / cm 3 With a leakage current not exceeding 1.0 nA / (μF·V), it achieves a synergistic improvement in high energy storage capacity and long-term electrical reliability, providing a solution for the miniaturization and high capacitance of aluminum electrolytic capacitors.

This invention discloses a method and apparatus for controlling aluminum output based on electrolysis mechanism and machine learning, relating to the field of aluminum electrolysis technology. Its main objective is to solve the problems of low stability and accuracy in aluminum output control. The method primarily includes acquiring real-time physicochemical parameters of the target electrolytic cell, electrolytic cell task description information, and multi-dimensional key parameter time series; performing prediction processing on the electrolytic cell task description information and the key parameter time series using an aluminum output prediction model to obtain a multi-model fusion prediction value; determining the real-time operating state based on the real-time physicochemical parameters, and calculating the theoretical aluminum output using a mechanism model based on the real-time physicochemical parameters; determining the target aluminum output based on the predicted value, the theoretical aluminum output, and the real-time operating state, so that the control system performs production control based on the target aluminum output. It is mainly used to control the aluminum output during the aluminum electrolysis production process.

The present invention relates to the technical field of aluminum electrolysis parameter measurement. Disclosed is a two-level and cathode voltage drop calculation method for an aluminum electrolysis cell. Voltage signal data and displacement signal data are collected and stored in arrays; the data is preprocessed; a trigger condition for an air and electrolyte interface and a trigger condition for an electrolyte and aluminum liquid interface are set; for each group of data in the arrays, an electrolyte level and an aluminum level are calculated and rationality determination is performed; and average values are taken as final values. The present invention achieves unmanned measurement of process parameters such as aluminum electrolysis cell electrolyte and aluminum liquid heights and cathode voltage drop, thereby improving the automation and intelligence level of the electrolysis process, reducing the risks and costs of manual measurement, and improving testing efficiency and accuracy.

This invention relates to the field of aluminum electrolytic capacitor production technology and discloses a static charging aging machine for aluminum electrolytic capacitors. The static charging aging machine includes a frame, on which are mounted a connector insertion machine, a palletizer, a storage aging chamber unit, and a discharge sorting machine. The palletizer is located between the discharge sorting machine and the connector insertion machine. The palletizer's working stroke covers the entire length of the connector insertion machine's discharge end, all chambers of the storage aging chamber unit, and the discharge sorting machine's feed end. The storage aging chamber unit includes a normal temperature charging chamber, a high temperature charging chamber, and a static cooling chamber arranged sequentially along the material flow direction. The normal temperature charging chamber, high temperature charging chamber, and static cooling chamber are all independently and fixedly installed on the frame between the connector insertion machine and the discharge sorting machine. An industrial control unit is also mounted on the frame.

The utility model relates to aluminum electrolytic capacitor technical field, concretely is a kind of compression-resistant aluminum electrolytic capacitor.The utility model, including capacitor body, the lower end of capacitor body is equipped with two electrode pins, the outside of capacitor body is slidably connected with protective shell, the inner wall of protective shell is threadedly connected with baffle, the one end of baffle is equipped with two round holes, the size of round hole is compatible with the size of pin, the inner wall of protective shell is fixedly connected with four round bins, the inner wall of round bin is fixedly connected with spring, the other end of spring is fixedly connected with round bar.Solve the aluminum electrolytic capacitor in the process of working, its head often exposes outside, when continuously suffers external pressure, capacitor body can be deformed, this deformation can cause internal structure to suffer damage, the electrode pin of lower end connection can appear loose, and then cause the phenomenon of internal circuit connection abnormality problem.

A collaborative scheduling method for virtual power plants and electrolytic aluminum enterprises based on dynamic electricity pricing and a two-layer optimization approach is proposed. This method includes: constructing a two-layer optimization scheduling framework between virtual power plants and electrolytic aluminum enterprises, where the upper layer is the virtual power plant scheduling model and the lower layer is the electrolytic aluminum enterprise response model; using an LSTM neural network to perform day-ahead rolling forecasts of wind and solar power output, and using the forecast results as scheduling input; establishing a multi-energy coupled operation model within the virtual power plant and considering carbon trading costs; designing an iterative solution mechanism based on dynamic electricity pricing, guiding electrolytic aluminum enterprises to adjust their load through price signals to achieve source-load collaborative optimization; and setting a convergence criterion, terminating the iteration when both the change in total cost of the virtual power plant and the change in total revenue of the electrolytic aluminum enterprise are below a set threshold, outputting the optimal electricity price and scheduling plan. This method improves the absorption level of renewable energy sources such as wind and solar power, effectively reduces the overall system operating cost, and significantly enhances the peak-shaving capacity and operational flexibility of the power system.