129 results about "Aluminum anode" patented technology

The invention relates to the technical field of chemical raw material processing, and discloses a petroleum coke particle size grading and batching system which comprises a raw material pretreatment module, a multi-stage dynamic screening module, a particle size real-time monitoring module, an intelligent batching decision module and a closed-loop control execution module. The classification definiteness of materials with different particle sizes is ensured; meanwhile, through a particle size monitoring feedback mechanism, the particle size distribution abnormal state in the screening process is recognized in real time, the material purity within the target particle size range is guaranteed, the particle size grading accuracy is improved, a closed-loop matching decision module is arranged, particle matching weight parameters are dynamically optimized in combination with the electrolytic aluminum process requirement, and the particle size grading accuracy is improved. The deviation degree between the ingredient proportion and the target performance can be judged in real time; the speed ratio of the conveying belt and the opening degree of the stock bin are automatically corrected through the executing mechanism, it is guaranteed that the mixing proportion of coarse particles, medium particles and fine particles is always in the optimal interval matched with electrolytic aluminum anode production, and the quality stability of anode carbon blocks is improved.

A method for manufacturing an anode electrode includes rolling a first aluminum foil layer; annealing the first aluminum foil layer to create a first annealed aluminum foil layer; mechanically bonding a first lithium metal foil layer between an anode current collector and the first annealed aluminum foil layer; and aging the anode electrode to prelithiate the first annealed aluminum foil layer.

A battery cell includes C cathode electrodes, A anode electrodes, and S separators, where A, C, and S are integers. Each of the A anode electrodes includes an annealed aluminum foil layer and a lithium aluminum layer arranged on one side of the annealed aluminum foil layer.

The application discloses a preparation method of notebook computer shell added with recycled aluminum anodized aluminum strip, and specifically comprises the following steps: raw materials such as recycled aluminum, aluminum ingot and intermediate alloy ingot are subjected to smelting, casting, hot rolling, cold rolling, intermediate annealing, roughening cold rolling and cleaning and straightening to obtain a notebook computer shell added with recycled aluminum 5000 series aluminum plate strip. The average grain size of the aluminum alloy strip is less than 10 microns, the grain aspect ratio is 0.9-1.1, the maximum size of intermetallic compounds is less than 5 microns, the compound proportion difference in unit area is less than 1%, the sand blasting sand type on the surface of the aluminum material is 120-150# iron sand, the roughness Ra after sand blasting is 1.8+ / -0.3 microns, and the anodized surface is fine and free of material lines.

The invention discloses an aluminum anodic oxidation electrolyte for improving the adhesion density of an electrode foil oxidation film, and relates to the technical field of anodic oxidation, the electrolyte comprises 3%-10% of ammonium dihydrogen phosphate, 0.5%-3% of sulfuric acid, 0.01%-0.2% of nano titanium dioxide or nano aluminum oxide, 0.05%-0.5% of an organic buffer agent, and the balance deionized water; the organic buffering agent is used for stabilizing the pH value in a range of 4.5-6.0; nano titanium dioxide or nano aluminum oxide is used as an oxidation film nucleation center to promote directional crystallization of gamma '-Al2O3; the sulfuric acid component improves the conductivity of the electrolyte; ammonium dihydrogen phosphate generates an aluminum phosphate barrier layer on the surface layer of the oxidation film to enhance the waterproof performance of the film layer; according to the electrolyte, the adhesion density and crystallinity of an oxidation film can be remarkably improved, the uniformity and waterproof performance of a film layer are improved, the specific volume stability and the formation efficiency are improved, and the electrolyte is suitable for continuous production of the high-performance aluminum electrolytic capacitor.

The invention discloses a micro-fine particle flotation method for electrolytic aluminum anode carbon slag after lithium extraction based on ball milling activation and interface regulation and control. The method comprises the following steps that the electrolytic aluminum anode carbon slag after lithium extraction is pretreated to obtain carbon slag lithium extraction slag; carrying out ball milling activation on the carbon residue lithium extraction residue; the activated ore pulp is subjected to flotation pretreatment and flotation separation; the carbon concentrate obtained through flotation is subjected to alkaline leaching impurity removal, high-grade carbon concentrate is obtained, and meanwhile tailings can be directly used as regenerated electrolyte. According to the method, the surface performance of the carbon particles is enhanced through ball milling activation, the flotation recovery efficiency and selectivity are improved, synergistic efficient recovery of the carbon and the electrolyte is achieved, and the method has the advantages of being simple and convenient in process, high in recovery rate, environmentally friendly and the like. The grade of the obtained carbon concentrate can reach 85.65%, and the fluorine grade in the tailings is ensured, so that the carbon concentrate can be directly recycled as electrolyte or further recycled.

The application provides a pr-modified recycled aluminum alkaline air battery anode material and a preparation method thereof, and belongs to the technical field of aluminum alloy materials.The anode material is composed of the following components in percentage by weight: 0.1-2.0% of Zn, 0.01-0.2% of Ga, 0.01-0.3% of Pr, 0.2-2% of Mn, 0.9-2.0% of Fe, and 0.5-2.0% of Si; the balance is Al; the Si and Fe are from recycled aluminum.The application directly uses high-iron recycled aluminum to prepare the pr-Ga-Mn-Si-Zn five-element alloy by reducing the raw material cost by more than 80%; the application avoids the resource waste of the traditional dilution method, realizes the high-value utilization of recycled aluminum, and forms a closed loop of "waste aluminum-anode-corrosion product-aluminum source", thereby avoiding the aluminum circulation imbalance and the secondary aluminum surplus problem caused by the accumulation of alloy elements.

The application belongs to the technical field of intermediate frequency heating furnace, in particular to an intermediate frequency heating furnace for preheating electrolytic aluminum anode, which comprises a heating furnace body for heating anode rods, an electromagnetic coil arranged inside the heating furnace body, an air inlet pipe fixedly connected to one end of the electromagnetic coil, an air outlet pipe fixedly connected to the other end of the electromagnetic coil, a fan arranged on one side of the heating furnace body, an air outlet end of the fan in communication with the air inlet pipe, a second water tank arranged on one side of the heating furnace body, a heat treatment tank fixedly installed on the side wall of the second water tank, a thermoelectric converter arranged inside the heat treatment tank, the air outlet pipe extending through the second water tank to the inside of the heat treatment tank at an end away from the heating furnace body, the air outlet opening facing the heat absorbing end of the thermoelectric converter, and an electromagnetic generator arranged at the top end of the heat treatment tank, with a transmission rod fixedly connected to the rotor of the electromagnetic generator, so that the waste heat source can be effectively converted into electric energy, the energy utilization efficiency is improved, and the production cost is reduced.

The invention relates to a phosphating method and device for a vehicle body, a vehicle and electronic equipment, and relates to the technical field of metal surface treatment.The method comprises the steps that the planned aluminum-steel surface area ratio of the vehicle body is obtained; determining the aluminum anode dissolution rate and the fluorinion consumption rate of the bath solution in the phosphating bath; wherein a vehicle body is placed in the phosphating tank; based on the planned aluminum steel surface area ratio, the aluminum anode dissolution rate and the fluorine ion consumption rate, the steady-state fluorine ion concentration of the bath solution is determined; and regulating and controlling the bath solution based on the steady-state fluorine ion concentration. Therefore, the fluorine ion concentration of the tank liquid in the phosphating tank can be controlled to maintain the expected fluorine ion concentration all the time, so that the phosphating quality of a vehicle body is improved.

The invention belongs to the technical field of aluminum alloy materials, and particularly relates to a colored aluminum anode oxide film and a preparation method thereof. Aluminum is sequentially subjected to electrochemical polishing and anodic oxidation to obtain an aluminum anodic oxide film, then the aluminum anodic oxide film is immersed in an azo precursor solution, and a red azo dye is synthesized in situ in pores of the porous oxide film through an azo reaction between diazonium salt and benzene sulfonate, so that coloring of the aluminum oxide film is completed. By synthesizing sulfonic acid modified alendronate and compounding the sulfonic acid modified alendronate to form the electrochemical polishing solution, the electrochemical polishing quality of the surface of an aluminum sheet can be effectively improved. An electrolyte additive with phosphate groups, carboxyl groups and alcohol amino groups at the same time is used for anodic oxidation, a porous oxidation film with the appropriate pore size is formed, finally, an azo precursor of a specific structure is screened, loading fixation of azo dye on the porous film is further improved by means of sulfonic acid groups on azo molecules, and the stability of the anode is improved. And the aluminum oxide film with a good coloring effect is obtained.

The utility model discloses an electrolytic aluminum anode scrap dust-free transfer device which comprises a base, idler wheels and a fixed protective cover, the idler wheels are arranged at the four corners of the bottom of the base respectively, a positioning protective cover is fixedly connected to one side of the top of the base, and a displacement protective cover is connected to the other side of the top of the base in a sliding mode. At least two L-shaped limiting holes are dug in the positioning protective cover, limiting cover plates are arranged in the L-shaped limiting holes, and rectangular placement holes are formed between the front ends of the limiting cover plates and the L-shaped limiting holes. According to the anode scrap transfer device, anode scraps can be transferred in batches, the displacement protective cover and the fixed protective cover are arranged on the base, dust pollution caused by the anode scraps in the transfer process is avoided, the good construction environment of a workshop is guaranteed, the working efficiency is improved, and the anode scrap transfer device is convenient to use and easy to operate.

The present invention provides a method for processing a system-level double-sided fan-out packaging structure using an aluminum substrate, comprising: using an aluminum alloy substrate as a bottom plate; making a double-sided cavity mask on the aluminum alloy substrate and performing a non-penetrating anodization on the substrate; making a structural and functional integrated carrier by selectively penetrating aluminum anodization and the anisotropic etching characteristics of anodized aluminum; mounting chips in the cavity of the structural and functional integrated carrier and wiring on the surface of the carrier; making a redistribution layer on the surface of the carrier; completely encapsulating one side of the carrier with epoxy plastic encapsulant and planting balls on the other side to form a system-level double-sided fan-out packaging structure. The method of the present invention uses an aluminum anodized structural and functional integrated carrier, has the characteristics of simple process flow, low cost, high precision of the anisotropic etching processing cavity, good thermal conductivity, etc., and can improve the precision, density, support strength, heat dissipation capacity and signal transmission integrity of the chip double-sided fan-out packaging.

The invention relates to the technical field of phosphorus pig iron recycling, in particular to a method and system for recycling phosphorus pig iron from an electrolytic aluminum anode set. The method comprises the following steps: sequentially carrying out first magnetic separation and crushing treatment on a phosphorus pig iron ring to obtain a first phosphorus pig iron block with an anode carbon block; the first phosphorus pig iron block with the anode carbon block is sequentially subjected to second magnetic separation and shot blasting treatment, and a second phosphorus pig iron block is obtained; performing third magnetic separation on the second phosphorus pig iron block to obtain a third phosphorus pig iron block; melting the third phosphorus pig iron block to obtain a phosphorus pig iron melt; and the phosphorus pig iron melt is subjected to casting molding, and the phosphorus pig iron ring is obtained. According to the method, through multi-cascade control of interface stripping, magnetic purification and thermodynamic migration, step-by-step removal of the sulfur element is achieved, sulfur is prevented from being enriched in the melting stage of the phosphorus pig iron, the final increase amount of the sulfur content is effectively reduced to be 5% or below, and therefore the enrichment degree of the sulfur element in the phosphorus pig iron can be effectively reduced.

This invention relates to the field of electrochemical technology, specifically to a method for preparing nitrogen-doped carbon quantum dots and their application in aluminum-air batteries. Using L-tryptophan and tannic acid as raw materials, a hydrothermal polymerization reaction is carried out, followed by filtration, dialysis, distillation, and freeze-drying to prepare carbon quantum dots. Different concentrations of carbon quantum dot corrosion inhibitors are added to the alkaline electrolyte of the aluminum-air battery. Electrochemical testing, hydrogen evolution analysis, and surface analysis reveal that this corrosion inhibitor can improve the anode utilization rate, capacity density, and energy density of the aluminum-air battery, while reducing the self-corrosion rate of the aluminum anode, meeting the requirements of metal-air batteries. The preparation process is simple, low-cost, and uses widely available, inexpensive, low-toxicity, and environmentally friendly raw materials, making it widely applicable in practical production.

Provided is a fuel cell system including: a fuel cell; a tank body in which a hydrogen storage alloy that adsorbs and releases hydrogen is housed, and that supplies hydrogen to the fuel cell; and a holding body that houses the tank body detachably. The fuel cell system is configured to heat the tank body using waste heat of the fuel cell. The tank body is formed of aluminum or an aluminum alloy. A first aluminum anodized layer is formed on an outer surface of the tank body.

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.

The application belongs to the field of electrochemical detection, and particularly relates to a construction method of a photoelectrochemical self-powered sensor based on aluminum-air battery enhancement and application in detection of microcystin-RR. A CuO film is prepared through electrodeposition annealing conversion, CeO2-Ti3C2 nano composite material is loaded, and MC-RR aptamer is modified on the electrode to prepare a photo-cathode apta / CeO2-Ti3C2 / CuO / FTO. The aluminum anode, single-chamber quartz electrolytic cell and photo-cathode apta / CeO2-Ti3C2 / CuO / FTO are assembled to construct a self-powered sensor, and a relationship between sensor performance and microcystin-RR concentration is established to achieve the purpose of rapid, sensitive and specific detection.

The present invention relates to the technical field of crushing equipment, and specifically relates to an electrolytic aluminum anode crushing and recycling treatment device and a treatment method thereof. The electrolytic aluminum anode crushing and recycling treatment device includes a base, a support frame fixedly arranged on the base, a box body installed on the support frame, and a screw conveyor installed on the base. It further includes: a first crushing roller and a second crushing roller. The first crushing roller is rotatably installed in the box body, and its rotating shaft is connected to the output end of a first motor installed on the box body. The second crushing roller is connected to a transverse movement driving mechanism installed on the box body, and a transmission mechanism is arranged between the rotating shafts of the first crushing roller and the second crushing roller. The transverse movement driving mechanism can drive the second crushing roller to move closer to or away from the first crushing roller. This device has a low failure rate and a long service life, can effectively reduce the maintenance cost in enterprise production, and is suitable for popularization and use.

The utility model discloses an electrolytic aluminum anode new pole position positioning device which is applied to a crown block moving mechanism, an electrolytic bath is arranged below the crown block moving mechanism, the crown block moving mechanism comprises a moving part and a lifting part, a grabbing assembly is arranged at one end of the lifting part and used for grabbing an anode, and the crown block moving mechanism further comprises a fixing frame, a lengthening plate, a carving head and two laser emitters. The fixing frame is detachably and fixedly connected to the middle of the grabbing assembly through a plurality of bolts, the lengthening plate is arranged on one side of the fixing frame in a liftable mode through the lifting mechanism, one end of the line carving head is fixedly connected with one end of the lengthening plate, and the two laser emitters are installed on the two outer side walls of the lengthening plate respectively. The electrolytic aluminum anode new pole position positioning device is used for solving the problem that in the prior art, in the prior art, a tool is manually held to make a marking line, and safety risks exist.

The application provides an inert anode and a preparation method and application thereof, and belongs to the technical field of electrolytic aluminum anode materials. The anode substrate is pretreated and then coated, dried and solidified in a polytetrafluoroethylene dispersion liquid to obtain the inert anode. The tungsten anode is surface-modified, the excellent corrosion resistance and electrochemical stability are maintained, the bubble dynamic behavior is significantly optimized, and the efficient separation of chlorine bubbles and the synchronous improvement of current efficiency are realized in the process of low-temperature electrolytic aluminum in ionic liquids.

The application provides a high-temperature-resistant and high-conductivity steel for electrolytic aluminum anode steel claws and a preparation method, and relates to the technical field of steel materials for electrolytic aluminum industry production. The application adds trace alloy elements, controls alloy elements and their proportions, and combines corresponding preparation processes to control the amounts of solid solution and precipitation, so that a new type of high-conductivity steel for electrolytic aluminum anode steel claws with room temperature and high-temperature performance is obtained. The application prepares the high-temperature-resistant and high-conductivity steel for electrolytic aluminum anode steel claws by adjusting and controlling the (Ti+Mo) / C ratio, adding Cu elements, selecting low-cost raw materials, carrying out heat soaking treatment before hot rolling, and controlling the rolling reduction stage during the hot rolling process. The method is simple and easy to operate, green and environmentally friendly, low in cost, short in process, high in efficiency, wide in application range, and beneficial to industrial large-scale production and popularization.

The invention discloses an integrally-formed carbon-free special-shaped foamed aluminum electrolytic capacitor anode and a preparation method thereof, and belongs to the technical field of electrolytic capacitor electrode materials. Spherical atomized pure aluminum powder is used as a base body and matched with a carbon-free pore forming agent and a carbon-free inorganic binder, a mold matched with a cavity is customized according to the installation space of target equipment, and the integrated special-shaped open-cell foamed aluminum anode with the solid welding area is prepared through layered powder laying and cold pressing forming, low-temperature curing and synchronous pore forming at the temperature of 180-250 DEG C, aftertreatment and global anodic oxidation. No carbon source is introduced in the whole process, aluminum carbide is prevented from being generated from the source, and the problems of capacitor swelling and internal resistance soaring pain points caused by carbon residues in the prior art are solved; excessive oxidation of the aluminum powder is avoided through low-temperature curing, integral forming is achieved without splicing, the device can adapt to any special-shaped installation space, and the space utilization rate is increased by 3-10 times; the effective specific surface area of the prepared anode reaches 500-800 times and is far better than that of a traditional corrosion aluminum foil, and the customized application requirement of a liquid / solid electrolytic capacitor is perfectly met.

The invention discloses a multi-suspension-point anode clamp, relates to the technical field of electrolytic aluminum production auxiliary equipment, and aims to solve the problems of fixed clamping points, non-adjustable spacing and lack of buffer protection in the prior art. The technical scheme is that the multi-suspension-point anode clamp comprises a clamp frame, an adjusting unit and a clamping unit, the clamp frame is provided with the clamping unit through a mounting hole site, and the adjusting unit is arranged on the clamp frame; the clamp frame is provided with a plurality of groups of mounting hole sites, the clamp frame is further provided with adjusting units, the adjusting units correspond to the clamping units, and the distance between every two adjacent clamping units is adjusted to adapt to various working conditions; the clamping unit comprises a mounting plate, a clamping part and a driving part, the mounting plate corresponds to the mounting hole position in position and is connected with the adjusting unit, the driving part and the clamping part are mounted on the upper side and the lower side of the mounting plate respectively, the clamping part is driven by the driving part, a clamping plate is mounted at the bottom end of the clamping part, and the clamping plate is used for clamping the electrolytic aluminum anode; and a plurality of groups of mounting hole positions are formed in the clamp frame to mount the clamping units, so that a plurality of electrolytic aluminum anodes can be synchronously clamped, and the transfer efficiency is improved.

This invention discloses a composite aluminum material and its preparation method, a battery anode material, and a battery. The composite aluminum material includes an aluminum sheet and a twinned metal material coated on the upper and lower surfaces of the aluminum sheet. The sheet-like structure design enables surface contact between the aluminum materials, reducing the contact resistance between the materials. The twinned metal coating acts as an oxygen barrier, preventing the aluminum material from rapidly oxidizing in air, and also possesses good ionic and electron conduction capabilities, facilitating the coupling of electrons and ions in the aluminum anode material. Ultimately, the above structural design effectively reduces the electrochemical polarization problem of the aluminum anode material in small sizes, helping to activate its electrochemical performance. In addition, this invention also proposes a bottom-up method for preparing composite aluminum sheets with twinned metal coatings, using physical vapor deposition to deposit an aluminum metal film on a carbon-treated polymer film substrate, solving the problem of continuous oxidation of aluminum sheets during bottom-up preparation.

The invention discloses a calcium aluminate carbon composite material and application thereof.The preparation method of the composite material comprises the steps that aluminum oxide and calcium carbonate serve as raw materials, calcium aluminate ceramic powder is synthesized through a high-temperature solid-phase reaction, then the calcium aluminate ceramic powder, a carbon material and a binder are mixed and kneaded, and then compression molding is conducted; and calcining in a vacuum, inert or reducing atmosphere to obtain the high-conductivity compact composite material. When the composite material is used as an industrial conductive material such as an electrolytic aluminum anode, the consumption of a carbon material can be reduced, the carbon emission is reduced, and the resistivity and the material cost of a traditional electrolytic aluminum carbon anode can also be reduced.

The utility model provides a residual anode pressure-disengaging machine, which relates to the field of electrolytic aluminum anode carbon block recovery processing, and comprises a first pressing arm, a second pressing arm, a limiting baffle and a machine body, the first pressing arm and the second pressing arm are used for rotating mutually so that the first pressing arm and the second pressing arm can make extrusion contact with the two end faces, in the thickness direction, of the anode scrap carbon block correspondingly, and the limiting baffle is arranged on the machine body and used for making limiting contact with the side, away from the hinge point of the first pressing arm and the second pressing arm, of the anode scrap carbon block. The limiting baffle is in limiting contact with the side, far away from the hinge point of the first pressing arm and the second pressing arm, of the anode scrap carbon block, so that the anode scrap carbon block does not move in the direction far away from the hinge point of the first pressing arm and the second pressing arm in the clamping and extruding process, namely, the anode scrap carbon block does not sideslip, it is ensured that the anode scrap carbon block is completely pressed and removed, and the service life of the anode scrap carbon block is prolonged. The subsequent manual clearing process is omitted, and the pressure stripping efficiency is improved.

The invention belongs to the technical field of electrolytic aluminum anode heating, and particularly relates to electrolytic aluminum anode production line heating equipment which comprises a heating furnace body, an exhaust pipe communicates with the lower portion of the left side of the heating furnace body, a heating box is fixedly connected to the top of the heating furnace body, and an exhaust pipe communicates with the lower portion of the left side of the heating furnace body. A heat exchanger is fixedly installed in front of the upper portion of the left side of the heating furnace body, a circulating pump is fixedly installed behind the upper portion of the left side of the heating furnace body, the bottom of the circulating pump communicates with the lower portion of the right side of the heat exchanger through a connecting pipe, and an exhaust pipe communicates with the upper portion of the left side of the heat exchanger through an air inlet pipe. A spiral heating groove is formed in the heating box; heat of waste gas exhausted from the heating furnace body can be absorbed through the heat exchanger, and the absorbed heat can be reused, so that redundant heat of the heating furnace body can be utilized, and energy waste is avoided.

The invention discloses a composite spraying material for an electrolytic aluminum anode and a preparation method of the composite spraying material, and relates to the technical field of electrolytic aluminum metallurgy new materials, and the composite spraying material comprises the following components in percentage by weight: 42%-45% of aluminum-based high-entropy oxide, 18%-22% of a structure enhancer, 5%-8% of a composite glazing agent, 3%-5% of a film forming regulator, 1%-3% of a bonding system and the balance of deionized water, the aluminum-based high-entropy oxide is prepared from aluminum, iron, magnesium, copper and nickel according to the molar ratio of 0.62: 0.14: 0.04: 0.09: 0.07 through mechanical alloying and self-propagating high-temperature synthesis. The protection performance and the purity of molten aluminum are guaranteed, and the component design is more reasonable. The aluminum-based high-entropy oxide is subjected to accurate molar ratio regulation and control and matched with a structure enhancer to form a compact protection framework, the oxidation resistance is improved by 40% or above compared with a traditional aluminum oxide coating, erosion of oxygen, hydrogen fluoride and cryolite slag at the temperature of 950-1000 DEG C can be effectively resisted, core components are compatible with electrolytic raw materials, no impurity element is introduced, and the service life of the electrolytic coating is prolonged. And even if a small amount of coating falls off, molten aluminum cannot be polluted, and the quality of electrolytic products is guaranteed.

The application relates to the technical field of separation and recovery of composite materials, in particular to a rapid separation method and system of steel-aluminum anode explosion-welded blocks. The method uniformly heats the steel-aluminum anode explosion-welded blocks to 500-600 DEG C, the temperature rising time is not more than 25 min, and the temperature holding time is not less than 20 min; then the heated steel-aluminum anode explosion-welded blocks are subjected to at least three-stage gradient rapid cooling, the cooling time of each stage is not more than 5 s, and finally the temperature is cooled to not higher than 30 DEG C; the cooled material is separated and recovered by using magnetic separation to separate and recover steel and aluminum, and a rapid separation system of steel-aluminum anode explosion-welded blocks is established by using the method, which comprises a scrapped weld block storage area, a material car conveying system, a heating furnace, a sectional cooling area and a magnetic separation machine. The method and the system do not utilize external force, realize automatic separation and classification of steel-aluminum by means of the surface tension difference of steel and aluminum, have the advantages of high separation speed, high efficiency, high recovery rate and no influence of the components of regenerated materials on each other.

The present invention discloses a harmless treatment device for electrolytic aluminum anode carbon residue, which relates to the technical field of electrolytic aluminum anode carbon residue treatment. The device comprises a primary conveying device and a secondary conveying device connected to the primary conveying device. A treatment outer box is provided on one side of the secondary conveying device, and a plurality of first mounting brackets are fixedly connected to the top of the treatment outer box. The present invention cooperates with the treatment outer box, the treatment inner box, the first drive mechanism, the second drive mechanism, the spiral material guide pipe, the annular grinding pipe, the grinding mechanism, and the inclined material guide plate. After the electrolytic aluminum anode carbon residue is discharged through the overflow hole, the rotating annular grinding pipe cooperates with the grinding mechanism to grind the carbon residue. The ground carbon residue is discharged into the treatment outer box through the grinding filter plate and then discharged through the inclined material guide plate. In this way, the ground carbon residue meets the requirements of the flotation method and is more conducive to the subsequent harmless treatment process of the electrolytic aluminum anode carbon residue.