288 results about "Waste disposal" patented technology

The embodiment of the invention relates to the field of radioactive waste treatment, in particular to a sealing device and curing equipment. According to the sealing device and the curing equipment provided by the embodiment of the invention, the blocking assembly and the sealing assembly jointly block the first opening formed by the material treatment device, so that the material treatment device is subjected to double sealing, and the internal material treatment environment is more stable; the locking assembly is driven to move in the circumferential direction so as to fix the plugging assembly to the sealing assembly, meanwhile, the locking assembly is arranged to be axially static so as to further reinforce fixation between the plugging assembly and the sealing assembly, and the material containing device can be more stable in the material treatment device; and good sealing performance and stability in the material treatment process are ensured.

The invention relates to the technical field of solid waste treatment, in particular to a cementing material as well as a preparation method and application thereof. The invention provides a preparation method of a cementing material, which comprises the following steps: S1, adding water into waste incineration fly ash, electrolytic manganese residue and carbide slag, and carrying out mechanical activation to obtain mixed slurry; s2, after the mixed slurry is subjected to pouring forming, curing is conducted, and a cementing material is obtained; the doping amount of the carbide slag accounts for 5-10 wt% of the total mass of the waste incineration fly ash, the electrolytic manganese slag and the carbide slag solid. According to the method, the waste incineration fly ash, the electrolytic manganese residues and the carbide slag are subjected to mechanical activation and synergistic treatment, self-cementation solidification is achieved in an alkaline environment provided by the carbide slag by utilizing the complementary effect of potential gelation activity of aluminosilicate in the electrolytic manganese residues and calcium-rich substances in the waste incineration fly ash, traditional excitants such as cement and lime do not need to be additionally added, and the cost is reduced. The dependence on additional raw materials is obviously reduced, and an effective solution is provided for recycling of a large amount of solid wastes.

The invention relates to a sheet punching and forming system, relates to the technical field of industrial sheet processing, and solves the problems of low production efficiency, high labor intensity and certain potential safety hazards caused by the fact that an operator needs to feed, position, punch and discharge sheets one by one traditionally. Comprising a rack, transmission rollers, a conveying belt, a punching assembly and a feeding and discharging assembly, the multiple transmission rollers are arranged on the rack in a circumferential rotating mode and connected through transmission parts, and the top heights of at least two transmission rollers located on the upper portion are consistent to form a horizontal supporting face; the conveying belt is wound on the driving rollers, and a horizontal working platform is formed on the part, wound around the driving rollers with the same top height, of the conveying belt; the full-automatic punching machine has the advantages that the full process of automatic feeding, precise conveying, high-speed punching, automatic discharging and waste treatment is integrated, seamless and continuous connection from raw materials to finished products is achieved, and the effect of an efficient production line is achieved.

The embodiment of the invention relates to a waste slag field determination method and device, a program product and equipment, and relates to the technical field of engineering waste disposal, and the method comprises the steps: determining basic factors for selecting a waste slag field, and determining a plurality of candidate waste slag fields corresponding to waste slag generation points according to the basic factors; for each candidate waste slag field, the stacking coefficient of the candidate waste slag field is determined according to the slag stacking related parameters, and the slag stacking coefficient is determined according to the attribute parameters of the candidate waste slag field; and according to the stacking coefficient and the slag stacking coefficient, selecting a target slag disposal site from a plurality of candidate slag disposal sites. According to the invention, the accuracy of slag disposal site selection can be improved.

The invention relates to a method and a device for constructing multi-modal and multi-dimensional solid waste management data. The method comprises the following steps: acquiring a solid waste scene image and a remote sensing monitoring image of a solid waste management scene; respectively labeling the two types of images according to a preset labeling strategy, and converting the two types of images into a structured data set through data cleaning, data enhancement and unified tensor representation; based on the data set, driving a general large model through a solid waste field expert Prompt template, automatically generating multiple groups of questions and candidate answers, and forming a solid waste visual question and answer corpus after verification; and finally, evaluating a corpus by using a plurality of evaluation difficulties, and iteratively optimizing the large model and the labeling strategy according to a result. By creating a systematized, multi-modal and multi-task data construction scheme and evaluation benchmark in the field of solid waste disposal management for the first time, the problems of shortage of targeted and universal training data, lack of model evaluation mechanisms and the like in the field of solid waste management are solved, the intelligent level and efficiency in the field of solid waste management are greatly improved, and iterative innovative design is achieved.

The invention relates to a waste slag site selection determination method and device, a product and equipment, and relates to the technical field of engineering waste disposal, and the method comprises the steps: determining an initial search range according to the slag amount of a waste slag production point and a transportation mode, and determining a search range of a waste slag site; determining an evaluation index of each search range based on the plurality of evaluation dimensions, performing score assignment to determine a first score of the evaluation index, the type of the evaluation index being the first evaluation index, determining a second score of the first evaluation index based on a machine learning model, and determining a score of the first evaluation index according to the first score and the second score; the type of the evaluation index is a second evaluation index, and determining the score of the second evaluation index according to the first score of the second evaluation index; and fusing the score of each evaluation index with the corresponding index weight coefficient to obtain the score of each search range, and determining the site selection range of the waste slag field from the search ranges according to the scores. According to the invention, the site selection accuracy of the waste slag field can be improved.

The utility model relates to the technical field of solid waste disposal mechanisms, in particular to a solid waste disposal device. The crushing and screening device comprises a rack, a crushing and screening mechanism and a material returning assembly, wherein an arc-shaped frame is arranged on the rack; the crushing and screening mechanism comprises a crushing assembly arranged on the rack and the arc-shaped frame and a screening assembly arranged on the rack and the arc-shaped frame. The material returning assembly comprises a circular ring, a plurality of rollers uniformly and rotatably arranged on the peripheral surface of the circular ring, and a driving assembly in driving connection with the circular ring; and a plurality of material receiving grooves which are annularly distributed are uniformly distributed on the inner circumferential surface of the circular ring. According to the utility model, the circular ring is driven to rotate through the driving assembly, and the plurality of material receiving grooves convey larger-particle wastes to the upper part of the crushing assembly again, so that the automatic secondary disposal of the wastes is realized.

The invention discloses a method for producing anhydrous hydrofluoric acid from photovoltaic fluorine-containing waste materials. The waste materials are fluorine-containing solid press filter residues or filter cake biscuits obtained through solid-liquid separation after photovoltaic fluorine-containing waste liquid treatment. The method comprises the following steps: drying, crushing and screening the waste until the waste is matched with the fluorite powder in particle size, returning the oversize product to the crushing, closed-loop granulating and homogenizing; continuously metering and uniformly mixing the homogenized waste and fluorite powder according to a mass ratio of 20: 1 to obtain a mixed fluorine-containing raw material, and continuously feeding the mixed fluorine-containing raw material into a rotary reaction furnace; fuming sulfuric acid and concentrated sulfuric acid are mixed into mixed acid, the mixed acid is continuously added into a reaction furnace, the mixed acid reacts at the temperature of 300-350 DEG C to generate a fluorine-containing gas phase, and reaction heat is indirectly provided by circulation of high-temperature gas in a jacket of the reaction furnace; the crude product gas enters a degassing tower to remove SO2 and SiF4 after being subjected to dust removal, washing, cooling, condensation, rectification, deacidification and dehydration, and an anhydrous hydrofluoric acid product is obtained. According to the method, waste recycling is achieved, and fluorite consumption and waste disposal amount are reduced.

1. Name of the product in this design: Kitchen waste disposer. 2. Purpose of this design: for kitchen waste disposal. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model discloses a waste garbage disposer convenient for solid-liquid separation, which comprises a box body, a filter plate is fixedly connected in the box body, the filter plate is obliquely arranged, a filter pressing mechanism is arranged in the box body and above the filter plate, the filter pressing mechanism comprises a plurality of rotating shafts rotationally connected in the box body, and the rotating shafts are arranged in the box body. The outer side of each rotating shaft is fixedly sleeved with a pressing roller, the distance between the rotating shafts and the filter plate is gradually reduced in the direction from high to low along the filter plate, the tops of the multiple pressing rollers are jointly connected with a protective cover plate in a covering mode, a cleaning piece for cleaning the pressing rollers is installed on the protective cover plate, and the multiple rotating shafts are driven by a driving assembly. According to the kitchen waste solid-liquid separation device, the kitchen waste is subjected to multi-stage segmented extrusion, liquid in the kitchen waste is effectively extruded and removed, rapid solid-liquid separation of the kitchen waste is achieved, continuous operation can be achieved, and the treatment efficiency is improved.

The utility model relates to the technical field of pull ring production, in particular to ultrathin pull ring continuous production equipment with a tension control function. The equipment is mainly composed of a rack, a discharging winding roller, an adjusting roller, a horizontal roller, an upper stamping die, a lower stamping die, a tension adjusting block, a motor and the like, raw materials are placed on the discharging winding roller, the adjusting roller and the horizontal roller guide the materials to be conveyed, the upper stamping die and the lower stamping die are responsible for pull ring stamping forming, and the tension adjusting block regulates and controls the tension of the materials. The motor drives the waste roller and provides power for the conveying belt through belt transmission, and a spring and a sliding block in the tension adjusting block are matched with the tension adjusting switch to achieve accurate tension adjustment. The tension control device has the beneficial effects that the product quality can be stabilized, the defects of the pull ring caused by the tension problem are reduced through accurate tension control, the product percent of pass is improved, and meanwhile, the continuous production process of equipment is matched with an efficient waste treatment and finished product collection mode, so that the production efficiency is greatly improved, the production cost is reduced, and the market competitiveness of enterprises is enhanced.

Methods and systems for automating surgical procedures in model organisms. The system includes a user input panel, a trained computer vision system, a server, and articulated robotic arm. The system may further include an analytical scale, an anesthesia chamber, a tube labeling system, a tissue freezing system, and a biohazard waste disposal system. The computer vision system communicates with the robotic arm to coordinate tissue collections and common research procedures such as injections via recognition models related to detection, identification, localization, and classification. The central server provides rapid synchronization of data between the local machine and a cloud account system for real-time data analytics. The anesthesia chamber provides standardized administration of anesthesia, the sample labeling system provides 2D barcoded labels according to user input, and the tissue freezing and waste disposal systems enable storage of samples and removal of carcasses following tissue collection, fully automating the necropsy.

This invention provides a novel waste disposal device and a compatible refill cassette. [Solution] Disclosed is a film dispensing cassette for a waste treatment device having a tubular film of a certain length, a receptacle having an inner cavity for packing the film, and an annular body having an inner annular wall defining a central opening and an outer annular wall spaced apart from the inner annular wall. The lid is configured to at least partially cover the inner cavity and to define a catch projecting into the central opening. The catch has an edge on its cantilever portion that lies in the cross-sectional plane of the cassette, the central axis of the central opening is perpendicular to the cross-sectional plane, and such a catch is inside the outer shape of a closing mechanism configured to seat on the cassette. The outer shape of the closing mechanism lies in this cross-sectional plane of the cassette and intersects with the outer shape portion of the connector of the closing mechanism.

The application provides a heat storage integrated system based on high-temperature thermochemical conversion, which realizes energy cascade utilization of a large amount of solid waste thermochemical conversion process through a carrier gas circulation and a heat storage particle cooperative system, and a high-temperature heat storage device. The system stores the waste heat and the heat energy converted by the renewable energy by using the heat storage particles, releases high-temperature heat during the reaction, significantly improves the green energy utilization efficiency, and realizes zero carbon emission. The multi-stage heat exchange setting improves the energy utilization efficiency, and the waste disposal realizes energy self-sufficiency. The system can be expanded to high-temperature industrial processes such as cement firing and carbonate decomposition, and a stable heat source is provided through the heat storage device, fuel consumption is reduced, temperature control accuracy is improved, waste heat is recovered, and heat pollution is reduced, thereby providing an efficient solution for low-carbon transformation of high-energy-consuming industries.

The invention discloses a coffee machine die casting production line, and relates to the technical field of coffee machine accessory production, the coffee machine die casting production line comprises a plurality of conveying belts which are distributed in parallel, one side of each conveying belt is sequentially provided with a cutting station, a drilling station, a grinding station and a detection station from front to back, the cutting station is used for cutting a pouring gate of a die casting, and the drilling station is used for drilling the drilling station; the pouring station is used for pouring the die casting into a pouring gate and enabling excess materials at the pouring gate to form a protruding block in a specific shape, the drilling station can automatically calibrate and position the protruding block so that the die casting can be fixedly installed in an inner cavity of the drilling station at a preset angle, and the polishing station is used for melting the protruding block and evenly smearing the protruding block on the outer wall of the die casting. The outer wall of the die casting is smoother, the sprue excess material is made into a specific protruding block, the protruding block serves as a physical reference for automatic calibration and also serves as a hot melting supplementary material source for surface repairing in the follow-up procedure, hundred percent in-situ recycling of the metal excess material is achieved, and raw material consumption and waste treatment cost are reduced.

The film tearing system comprises a mechanical arm and a film tearing device, the film tearing device comprises a machine table, a rotator is installed on the machine table, the rotator is in driving connection with a rotating rod, a plurality of film collecting needles are fixedly arranged on the rotating rod, a push-pull device is fixedly installed below the machine table, and the push-pull end of the push-pull device is fixedly connected with a plurality of material stirring plates. And the plurality of shifting plates and the plurality of film collecting needles are arranged in a one-to-one correspondence manner. According to the utility model, the rotator drives the rotating rod and the film collecting needle to puncture and strip the film, and the push-pull device drives the material stirring plate to work cooperatively, so that the stripping, collection and waste treatment of the film body can be completed quickly and accurately, the film body is ensured to be effectively removed, and the subsequent influence caused by film retention is avoided. Particularly, due to the design of the U-shaped notch in the material shifting plate, the film body is isolated and removed while the film collecting needle is ingeniously embedded, and the film shifting success rate and efficiency are improved.

This invention discloses a method for determining the coal-based solid waste disposal rate in underground backfilling faces. The coal-based solid waste disposal rate is the ratio of the amount of coal-based solid waste disposed of in the backfilling faces to the total amount of coal-based solid waste in the mine. The determination steps are as follows: First, the total amount of coal-based solid waste Q in the mine is calculated; then, based on the proportion of backfilling materials used in the mine, the proportion of coal-based solid waste in the backfilling materials is determined; the layout of each backfilling face in the mine is determined, and the backfilling space volume V is calculated; the weak dynamic force P and the number of actions x of the backfilling support on the backfill body are determined, and a weak dynamic compaction test of the backfilling material is conducted to determine the bulk density ρ of the backfilling material after the weak dynamic action; finally, the total amount of coal-based solid waste Q disposed of in each backfilling face in the mine is calculated. c Finally, the coal-based solid waste disposal rate η is calculated. This invention quantitatively determines the coal-based solid waste disposal effect in the backfilling face through the coal-based solid waste disposal rate, and the results can provide a basis for the design of mine backfilling systems and the evaluation of backfilling effects.

The utility model belongs to the technical field of tunnel inverted arch backfilling, and particularly relates to an inverted arch structure for tunnel waste slag backfilling, waste slag is filled at an inverted arch of a tunnel, the waste slag is solidified into a whole through grouting, a plurality of groups of frameworks which are distributed along the trend of the tunnel at intervals are arranged in the waste slag, and a bottom plate is laid above the frameworks; the end plates are distributed at intervals in the direction of the tunnel, and the end plates and the bottom plate are connected to form a plurality of filling spaces corresponding to waste slag. The tunnel waste slag is used for inverted arch backfilling, the waste slag treatment cost and the inverted arch backfilling material cost are remarkably reduced, the outward transportation amount of the waste slag is reduced, and the influence on the environment is reduced. The inverted arch structure is supported through the framework and the supporting plate, normal construction of other working procedures is not affected while inverted arch grouting is conducted, and therefore the construction efficiency can be greatly improved.

The invention relates to the technical field of mercury-containing waste disposal and mercury resource recovery, in particular to a mercury recovery device and method. The invention provides a mercury recovery device which comprises a hopper 1, a metering scale 2 located below the hopper 1, a microwave plasma reactor 3 communicated with the hopper 1, a first-stage retarder 4 communicated with the microwave plasma reactor 3, a second-stage main condenser 5 communicated with the first-stage retarder 4 and a third-stage fine condenser 6 communicated with the second-stage main condenser 5. The monitoring system and the tail gas purifier 8 are sequentially communicated with the third-stage fine condenser 6; the mercury recovery device further comprises a collection bottle 7 communicated with the first-stage retarder 4, the second-stage main condenser 5 and the third-stage fine condenser 6. The device provided by the invention can realize rapid gasification and release of mercury in the mercury-containing waste, and efficient condensation in different areas, so that high-purity liquid mercury is directly obtained, and secondary conversion and complex post-treatment are avoided.

The utility model discloses an indoor residue discharging device which comprises an air inlet, a driver, a ventilation pipeline, a processing bin and an air outlet. The driver drives indoor air to enter the ventilation pipeline through the air inlet, the ventilation pipeline conveys the air to the treatment bin, a solution mixed with catalase is arranged in the treatment bin, the ventilation pipeline extends into the treatment bin and is inserted into the solution, the catalase can reduce the content of a strong oxidant in the air, and the content of the strong oxidant in the air can be reduced. The treated air returns indoors through the air outlet to form a closed-loop air purification loop; and a pipeline leading to the outside is not needed, the installation complexity is reduced, cyclic utilization of indoor air is achieved, and the environmental hardware requirement is reduced.

This invention discloses an integrated stamping, packaging, and receiving device for thin products, comprising a stamping module, a packaging module, and a waste disposal mechanism. The stamping module includes a lower module and an upper module. The lower module has a first channel for a material carrier to pass through, and the upper module has a first punch for punching the raw material into the material carrier. The packaging module includes the material carrier, a feeding track connected to the feeding end of the first channel for moving the material carrier into the first channel, and a discharging track connected to the discharging end of the first channel for moving the material carrier carrying the stamped product out, a heat-sealing mechanism disposed on the discharging track for heat-sealing a cover tape onto the material carrier carrying the product, a receiving mechanism for winding the heat-sealed material carrier, and a first feeding mechanism disposed between the heat-sealing mechanism and the receiving mechanism for feeding the heat-sealed material carrier toward the receiving mechanism.

The embodiment of the invention provides a submerged super-amphiphobic oil-water separation material and a preparation method thereof, and belongs to the technical field of oil-water separation materials. The submerged super-amphiphobic oil-water separation material comprises wood chips, a CuO seed layer coated on the surface of the wood chips, and CuS nanocrystals coated on the surface of the CuO seed layer. The under-liquid super-amphiphobic oil-water separation material has excellent underwater oleophobicity and under-oil hydrophobicity, can be used for continuous separation of oil-water mixtures in different scenes, and also has the advantages of low cost, simple process, easiness in degradation, reproducibility and recyclability; the problems that an existing oil-water separation material is complex in preparation process, high in cost, unstable in performance, not prone to degradation, difficult in waste treatment and the like are effectively solved.

The application provides a garbage disposal machine structure and belongs to the technical field of kitchen waste disposal equipment. The garbage disposal machine structure solves the problem of poor crushing effect of the existing kitchen waste disposal equipment. The garbage disposal machine structure comprises a lower shell, a grinding disc, upper grinding teeth, lower grinding teeth, a grinding wall, a bent tooth, a grinding ring and inner grinding teeth. In the application, the kitchen waste is crushed by the hammer body and ground three times, so that the volume of the kitchen waste can be effectively reduced, and the crushing effect of the garbage disposal machine structure is improved, so as to reduce the situation that the kitchen waste blocks the pipeline.

An eco-friendly pet waste disposal device is provided, comprising: an object identification zone where an object inserted into the waste disposal device is placed; a camera module for photographing an object placed in the object identification zone; a movement module for moving an object placed in the object identification zone; a waste area for storing waste and receiving an object transported by the operation of the movement module; a foreign matter area for receiving an object transported by the operation of the movement module and receiving objects other than waste; and a control unit for controlling the waste disposal device; wherein the control unit analyzes an image captured by the camera module and controls the movement module based on the analysis result.

The utility model relates to the technical field of toothbrushes, in particular to a portable detachable toothbrush which comprises a toothbrush handle and a toothbrush head detachably connected with the toothbrush handle, an inserting groove is formed in the end face of the top of the toothbrush handle, a sliding groove is formed in one side of the toothbrush handle, a sliding rod is arranged in the sliding groove in a sliding mode, a driving plate is arranged on the sliding rod, and the driving plate is connected with the toothbrush handle. A connecting groove communicated with the sliding groove is formed in the other side of the toothbrush handle, a connecting plate connected with the sliding rod is arranged in the connecting groove, and a fastening plate is arranged at the top of the end face of the inner side of the connecting plate. According to the utility model, the toothbrush handle can be repeatedly used, the connection strength of the toothbrush handle and the toothbrush head is improved, the resource utilization rate is improved, and the waste treatment capacity is reduced.

The application discloses a kind of based on asphalt pavement milling material's prefabricated asphalt brick and its preparation method, belong to recycling technology field of renewable resources, the method includes: waste asphalt pavement is broken and is screened to obtain recycled asphalt mixture;First with regenerant, aromatic compound and basalt fiber dry mixing and standing activation;Again with cement, silica ash dry mixing;Subsequently, add water and polyacrylic acid sodium wet mixing mortar;In the state of stirring, add emulsified asphalt and mix to obtain mixing material;Finally, vibration forming, demolding curing prefabricated asphalt brick is prepared.Compared with prior art, by step mixing process and the synergistic effect of multiple functional components, high-mixing resource utilization of asphalt milling material is realized.The prefabricated asphalt brick prepared has a dense structure, high bulk density, high compressive strength and excellent water resistance, effectively solves the problem of milling material solid waste disposal, is economical and environmentally friendly, and is suitable for popularization and application.

The invention discloses a scalpel facilitating waste discharge, and relates to the field of medical instruments. The scalpel facilitating waste discharge comprises a scalpel holder, an outer scalpel assembly and an inner scalpel assembly. The outer cutter assembly comprises an outer cutter pipe, an inner cavity, a waste containing opening, a waste discharging opening and a water spraying module. The inner knife assembly comprises an inner knife tube, a driving module, a first communicating port and a second communicating port; the inner cutter pipe can shield the waste containing opening or be separated from the waste containing opening in the sliding stroke of the inner cutter pipe, and when the inner cutter pipe shields the waste containing opening, the second communicating opening communicates with the waste discharging opening. According to the scalpel, cut tissue chips can be directly discharged from the waste discharge port, the whole scalpel does not need to be taken out, the operation efficiency is improved, and secondary injury to a patient can be prevented; meanwhile, before the scalpel extends into the body of a patient, air in the inner cavity can be emptied through normal saline sprayed out of the water spraying module, and air blockage caused by the fact that the air enters the ventricle is effectively prevented.

This invention belongs to the field of mining automation and intelligent monitoring technology. It discloses a multi-parameter online monitoring platform and method for the grinding and beneficiation process in a mineral processing plant, including: collecting equipment operating parameters and material flow data; combining this with ore physical property detection values ​​to calculate real-time load index and capacity margin; dynamically dividing the crushing ratios of the coarse, medium, and fine crushing stages to determine the target discharge particle size range and generate a crushing ratio allocation vector; identifying pre-diversion nodes, determining pre-screening separation points and dry waste disposal trigger conditions to obtain material diversion path identifiers; performing coordinated adjustment to generate a set of equipment coordinated control parameters; distributing these parameters to each crushing device to monitor the oversize return ratio in real time; and recalculating the crushing ratio allocation vector and updating the equipment coordinated control parameter set when the return ratio exceeds a preset threshold. This significantly improves the overall efficiency and energy-saving level of the crushing system.

This invention discloses a method for constructing a dataset through multimodal data fusion and extraction in the field of solid waste disposal. The method includes: first, converting the original document into a sequence of multimodal objects; second, constructing a document-level context index and entity knowledge base, extracting entity relationships, and constructing a global knowledge base and index; next, using the global knowledge base and index, performing semantic classification and dynamic routing on the multimodal object sequence, performing multimodal divide-and-conquer extraction by assembling contextual information packets, and outputting discrete record fragments; finally, generating feature identifiers based on experimental conditions, reconstructing cross-modal data through a confidence priority mechanism, and generating a standard dataset. This invention effectively solves the attention drift and task confusion problems when large language models process complex long documents, overcomes the challenge of entity referencing resolution in cross-paragraph contexts, and overcomes the difficulties of information incompleteness and alignment in multimodal table and image data, significantly improving the quality of dataset construction.

The application provides a method for improving the filtering effect of overhaul slag acid leaching slurry, relates to the technical field of electrolytic aluminum solid waste disposal and resource utilization, and solves the technical problem that the existing acid-alkali combined leaching method for treating overhaul slag is limited by the difficulty in filtering acid leaching slurry. The application comprises the following steps: crushing and ball milling electrolytic aluminum overhaul slag to obtain overhaul slag powder; slurry preparation is performed on the overhaul slag powder to obtain overhaul slag slurry; the overhaul slag slurry is subjected to pressurized alkali leaching treatment by using a sodium hydroxide solution to obtain alkali leaching slurry; solid-liquid separation is performed on the obtained alkali leaching slurry to obtain alkali leaching residue and alkali leaching filtrate; the obtained alkali leaching residue is washed and then slurry preparation is performed at a liquid-solid ratio of 4-6:1, concentrated sulfuric acid is added, acid leaching is performed, and acid leaching slurry is obtained; a flocculating agent is added to the obtained acid leaching slurry, and solid-liquid separation is performed to obtain acid leaching residue and acid leaching filtrate. The application effectively improves the solid-liquid separation efficiency of overhaul slag acid leaching slurry and realizes smoothness of the entire process flow.