49 results about "Aluminium industry" patented technology

The invention relates to a process for extracting iron from red mud by using hydrogen reduction and electrolysis technologies, the red mud is a by-product generated in the industrial production process of aluminum, the environmental burden caused by the by-product can be solved, the carbon emission can be reduced, and the development of a green metallurgical technology can be promoted. Comprising the following steps: conveying red mud serving as a raw material into a rotary furnace, conveying hydrogen serving as a reducing medium into the rotary furnace, enabling iron oxide in the red mud to form hydrogen reduced iron in a furnace heating state and a hydrogen reducing atmosphere, conveying the red mud containing the hydrogen reduced iron into a sulfuric acid solution, the hydrogen reduced iron is dissolved in the sulfuric acid solution to form a sulfuric acid solution containing iron ions, the sulfuric acid solution containing the iron ions serves as an electrolyte in an electrolysis device, and electrolytic pure iron formed by electrolytic deposition of the iron ions is obtained through the electrolysis device.

A dry substance mixture for a batch, preferably a refractory batch, for the production of a coarse ceramic, refractory, non-basic, shaped or unshaped product, such a refractory batch, such a product as well as a method for its production and a lining of an industrial furnace for the aluminum industry, and such an industrial furnace as well as a lining of a launder transport system or a mobile transport vessel for the aluminum industry, and such a launder transport system and such a transport vessel.

The utility model relates to the technical field of aluminum industrial production, in particular to a molten aluminum casting chute baffle. The molten aluminum casting chute baffle comprises a chute, a supporting frame, a guide rod, a first screw rod, a lifting plate, a baffle body, a first gear, a second gear, a motor, a lifting block and a protection assembly, the chute is used for guiding molten aluminum to move from one position to another position, and the supporting frame is installed on the outer side of the chute. The guide rod is connected to the left side in the supporting frame, the first screw is rotationally connected to the right side in the supporting frame, and the lifting plate is slidably connected into the supporting frame. Under the condition that a motor breaks down or is powered off, the height of the second gear can be adjusted to enable the second gear to be disengaged from the first gear, then the first screw is rotated through manual operation, the position of the baffle is adjusted, production continuity and safety are guaranteed, and the reliability and adaptability of the system are greatly enhanced through the design of the double modes (automatic / manual operation).

The invention relates to the technical field of data processing, in particular to an aluminum industry solid waste informatization supervision and tracing method and system and a storage medium. Comprising the steps of obtaining an initial data record and generating an immutable identifier; acquiring multi-body operation information in a transfer processing link, adding the multi-body operation information into the data block, verifying consistency, and forming an extended data block; an operation historical sequence is extracted and is marked to be abnormal, so that a tamper-proof data chain is formed; receiving a query request, traversing the tamper-proof data link and calculating a hash value; according to an integrity verification result, extracting digital signature information, determining a responsibility locking identifier, and synchronizing distributed account book data to form a shared trust view; and obtaining a tracing path through the shared trust view, analyzing an abnormal source and outputting details of an operation main body. The problem that data tampering and tracing are difficult in traditional aluminum industry solid waste management is solved, and the purposes that the whole aluminum industry solid waste management process based on the block chain is transparent, traceable and clear in responsibility are achieved.

The utility model relates to an aluminum industry waste emulsion sludge extraction device which comprises a lower cylinder body, the top of the lower cylinder body is connected with an attaching plate through bolts, an upper pipe body is arranged above the attaching plate, the outer wall of the upper pipe body is connected with a plurality of evenly-distributed stand columns through bolts, and the stand columns are connected with the lower cylinder body through bolts. The bottom ends of the multiple stand columns are connected to the top of the attaching plate through bolts, a butt joint plate is slidably connected to the position, close to the bottom, in the upper pipe body, an outer pipe body is connected to the top of the upper pipe body through bolts, an inner pipe body is arranged in the outer pipe body in a sleeved mode, and an extraction cylinder is arranged in the inner pipe body in a sleeved mode. A plurality of uniformly distributed liquid leakage holes are formed in the inner wall of the extraction barrel. According to the technical scheme, parts such as the inner pipe body, the arc-shaped groove, the poke rod, the side plate and the penetrating groove are matched with one another, so that the inner pipe body can be driven to move up and down and rotate, intermittent feeding can be performed, sludge can be effectively and uniformly intercepted and filtered, and the sludge extraction efficiency is improved.

The invention relates to the technical field of carbon management, and particularly provides an aluminum industrial product-oriented full-life-cycle carbon emission calculation and emission reduction optimization method, which comprises the following steps of: acquiring carbon emission activity data of each link and each region of an aluminum industrial product in a full life cycle; selecting a corresponding carbon footprint factor according to the source of the carbon emission activity data, the type of the corresponding greenhouse gas, the moment and the area; wherein the power carbon footprint factor in the carbon footprint factors is obtained by inputting the carbon emission activity data into a carbon footprint factor calculation model and outputting through the carbon footprint factor calculation model; combining the carbon emission activity data with the corresponding carbon footprint factors to obtain the total carbon emission amount of each link; and carrying out emission reduction optimization on a carbon emission hotspot link. According to the full-life-cycle carbon emission calculation and emission reduction optimization method for the aluminum industrial products, the timeliness and regional pertinence of carbon emission calculation can be improved, and the dynamic emission reduction requirement is met.

The invention relates to a process for producing a converter slagging agent by using electrolytic aluminum iron removal slag, the slagging agent required by converter steelmaking is produced by using the iron removal slag generated in the electrolytic aluminum industry and adding part of active substances, and the slagging agent is used in the earlier stage and the middle stage of converter steelmaking, so that the converter slagging speed is increased, the converter slagging effect can be maintained, and the converter slagging agent can be used in the converter steelmaking process. And meanwhile, the process effect of later-stage slag splashing furnace protection of the converter can be optimized, a process method with high competitiveness is developed for large-scale treatment of hazardous waste generated in the electrolytic aluminum industry in the steel industry in China, and the technical advantage of cross innovation in different technical fields is manifested.

The application belongs to the field of metal matrix composites, and particularly relates to a titanium phosphide particle reinforced Al-Si matrix composite material and a preparation method thereof. The application comprises the following steps: step (1): weighing raw materials: weighing aluminum phosphorus intermediate alloy, industrial pure aluminum, industrial pure silicon and sponge titanium according to proportions; step (2): melting: placing the weighed industrial pure aluminum, industrial pure silicon and sponge titanium into a water-cooled copper crucible of a vacuum arc furnace, heating to 850-1150 DEG C to melt, obtaining an aluminum alloy ingot; placing the obtained aluminum alloy ingot and the aluminum phosphorus intermediate alloy in the same water-cooled copper crucible, melting to obtain the titanium phosphide particle reinforced Al-Si matrix composite material. The application forms micro / nano dual-scale reinforcement through the titanium phosphide particle reinforced Al-Si matrix composite material, TiP particles generated and nano AlP particles formed by evolution of the TiP, so that the strength, toughness and wear resistance of the Al-Si matrix composite material at high temperature are improved.

The invention discloses an aluminum industry fluorine-containing waste electrolyte negative pressure reaction device which comprises a kettle type reactor, a power source, a stirring structure, a spiral heat exchange material mixing structure and a negative pressure recovery unit, a raw material inlet, a sulfuric acid inlet, a water inlet and an exhaust port are formed in the upper portion of the kettle type reactor, and an extraction opening of the negative pressure recovery unit is connected with the exhaust port. A discharge hole is formed in the bottom of the kettle type reactor. The kettle type reactor is in a static closed state, negative pressure is pumped in combination with the negative pressure recovery unit, and an environment is created for roasting fluorine extraction of fluorine-containing waste electrolyte and concentrated sulfuric acid; stirring of the stirring paddle is combined with the spiral blade capable of extracting materials, so that forced mixing of the materials is promoted, the heat transfer efficiency is improved, and reaction is promoted; according to the method, the pyrogenic roasting process and the wet leaching process of the fluorine-containing waste electrolyte are combined and completed in the same reactor, so that the technological process is shortened, the equipment investment is reduced, materials adhering to the wall can be dissolved and eluted, and normal operation of the next round of roasting fluorine extraction reaction is ensured.

The embodiment of the invention discloses a method and device for determining an operation strategy of an electrolytic aluminum industrial park, and the method comprises the steps: determining a target operation strategy enabling a preset target function to be minimized from a plurality of candidate operation strategies of the electrolytic aluminum industrial park; wherein the target function comprises a target function under the condition that the electrolytic aluminum industrial park operates according to a candidate operation strategy; the operation and maintenance cost of a photovoltaic unit and an energy storage system in the electrolytic aluminum industrial park, the cost of purchasing and selling electricity from a superior power grid of the electrolytic aluminum industrial park, the carbon emission cost of the electrolytic aluminum industrial park participating in carbon market transaction and the cost of the electrolytic aluminum industrial park participating in green certificate transaction are converted into a target operation strategy; and determining an operation strategy of the electrolytic aluminum industrial park. Thus, collaborative optimization of multiple factors such as photovoltaic, energy storage, power grid electricity purchase and sale, carbon transaction and green certificate transaction is realized, through linkage with a multi-transaction market, the comprehensive operation cost of the park is effectively reduced, the energy economy and environment compliance of the park are remarkably improved, and the effectiveness of operation strategy optimization can be improved.

The utility model discloses a device for thermoelectric conversion and waste heat utilization in the electrolytic aluminum industry, which belongs to the technical field of waste heat utilization and comprises a flue, and a thermoelectric conversion system is arranged in the flue. One end of the thermoelectric conversion system is connected with a cold water inlet pipeline, and the other end is connected with the heat exchanger system; the heat exchanger system is connected with the heat preservation water tank and connected with the flue through a pipeline. According to the utility model, cyclic utilization of cold water in the thermoelectric conversion and heat exchange process is realized, so that the waste heat utilization efficiency is greatly improved.

The invention discloses a secondary aluminum ash hydrolysis denitrification device, and belongs to the technical field of aluminum industry solid waste treatment. Comprising a reaction container assembly, a power conversion assembly and a stirring execution assembly. A reaction cavity of the reaction container assembly is used for containing aluminum ash and providing a reaction space, the power conversion assembly converts nitrogen pressure generated by reaction into reciprocating motion power through the air pressure conversion unit, and then the reciprocating motion power is converted into rotating force through the rotating transmission unit. The stirring execution assembly drives the overturning stirring unit through the power transmission unit to achieve alternate overturning of the stirring blades. The device is driven by nitrogen pressure and magnetic coupling of the permanent magnet and the permanent magnet ring, an external power source is not needed, and the energy utilization rate is increased by 30% or above; the V-shaped coupling channel is matched with the guide roller to enable the stirring blade to turn over by 180 degrees, so that the material mixing uniformity is improved; and a dispersed gas inlet and automatic pressure relief structure ensures safe operation of the device, and efficient, energy-saving and safe treatment of secondary aluminum ash hydrolysis denitrification is realized.

This invention discloses an aluminum-based composite material with ultra-high strength and its preparation method. Using pure aluminum, industrial pure Mg, AlZr master alloy, AlSc master alloy, and AlMn master alloy as raw materials, Al-Mn-Mg-Sc-Zr alloy powder is prepared using a vacuum atomization system. Nano-TiN and Al-Mn-Mg-Sc-Zr mixed powders are prepared by ultrasonic dispersion and mechanical vibration mixing to achieve uniform distribution of nano-TiN on the alloy powder surface. The composite material is formed using laser powder bed melting technology, resulting in a uniform and fine equiaxed crystal structure. The aluminum-based composite powder prepared by this method is suitable for laser additive manufacturing technology, and the formed samples have a dense structure and are free of cracks. The yield strength of the formed samples is 570-580 MPa, and the elongation after fracture is 2%-8%. After simple heat treatment, the yield strength of the samples reaches 670-700 MPa, and the elongation after fracture is 1%-5%.

The present application relates to the field of metallurgical preparation, in particular to a kind of low-aluminum low-oxygen industrial pure iron and preparation method and application, including, industrial pure iron is melted in oxygen atmosphere, refining, after deoxidation, low-aluminum industrial pure iron can be obtained by pouring;The low-aluminum industrial pure iron prepared is mixed with carbon particles, once melted in vacuum environment, carbon particles are injected again, secondary melting is carried out, and low-aluminum low-oxygen industrial pure iron is obtained by pouring, wherein, the injection amount of carbon particles in primary melting is 0.005-0.01wt.% of the mass of low-aluminum industrial pure iron, and the injection amount of carbon particles in secondary melting is 0.02-0.03wt.% of the mass of low-aluminum industrial pure iron.The present application adopts double-furnace melting process, aluminum is removed in the first furnace with oxygen as oxygenating agent, and in the second furnace, deoxygenation is carried out in vacuum environment using carbon particles as raw material, and low-aluminum low-oxygen industrial pure iron is prepared, with aluminum content not higher than 20ppm, and oxygen content not higher than 10ppm.

The invention discloses a resource utilization method of flue gas dedusting ash in aluminum industrial production, which combines the characteristics of a desulfurization process in a steel-making process, utilizes the flue gas dedusting ash generated in the aluminum industrial production process as a main raw material, adds part of active substances, and utilizes the flue gas dedusting ash generated in the aluminum industrial production process as the main raw material. The flue gas dedusting ash produced in the production process of the aluminum industry is recycled, a desulfurizing agent produced in the steel-making process is recycled, the desulfurization process of steel-making is optimized, resource utilization of the flue gas dedusting ash produced in the production process of the aluminum industry is achieved, and a new method is developed for large-scale treatment of hazardous waste produced in the aluminum industry in the steel industry in China. And the technical advantage of cross innovation in different technical fields is manifested.

The invention discloses a dephosphorization and defluorination process for a sewage treatment plant, and belongs to the technical field of environmental engineering. According to the method, the aluminum smelting industrial waste red mud is used as a precipitator for removing phosphorus and fluorine, so that the cost is saved, the phosphorus and fluorine are effectively removed, the highest removal rate of inorganic phosphorus can reach 92.88%, the highest removal rate of organic phosphorus can reach 91.30%, and the highest removal rate of F <-> can reach 90.39%. Moreover, in the whole process, the red mud does not need to be processed, and any external equipment or complex raw materials do not need to be used, so that not only is the cost saved, but also resource utilization of the red mud is realized, and economic development and ecological sustainability are favorably realized.

The invention belongs to the technical field of aluminum industry, and provides a non-electrolytic aluminum vacuum reduction preparation method which comprises the following steps: placing high-purity aluminum oxide in a vacuum metallurgical reduction furnace, vacuumizing, heating to 1600-2000 DEG C, adding magnesium metal, reducing the aluminum oxide at high temperature to generate aluminum metal, and combining the magnesium metal with oxygen in a reaction system to generate magnesium oxide. The method subverts the traditional electrolytic aluminum hundred-year metallurgical process logic, breaks through the bottleneck of the global non-electrolytic aluminum production laboratory industry, initiates a non-electrolytic vacuum high-temperature reduction technology, uses aluminum oxide and magnesium to produce aluminum, thoroughly cuts off the heavy current consumption of the electrolysis process, realizes the magnitude reduction of power consumption and carbon emission, and improves the production efficiency. And meanwhile, the technical blank of global non-electrolytic aluminum production industrialization is filled up, a bottom-layer technical support is provided for aluminum industry upgrading, and the technical content and the industrial innovation value are in the global leading level.

The invention provides a practical method suitable for chemical reaction electric field catalysis of various solution systems, and belongs to the field of catalytic reaction in the chemical reaction process. The method is mainly characterized in that positive and negative electrode plates with opposite surfaces are placed in a solution system, voltage is applied to the positive and negative electrode plates, and positive and negative electrode phase interface double-electrode layers are respectively formed by positive and negative charge layers on the inner surfaces of the positive and negative electrode plates and anions and cations in a solution electrically adsorbed on the outer surfaces; an electrode phase interface electric field is formed in the phase interface electric double layer, and ions, polarized molecules, molecules and other microscopic particles adsorbed on the outer surface of the electrode are activated through the electrode phase interface electric field and comprise ions, polarized molecules, molecules and other microscopic particles participating in chemical reaction in a solution system. In combination with other technologies provided by the invention, the invention respectively provides an electric field catalysis system applicable to the seed decomposition process of the sodium aluminate solution in the aluminum industry; the electric field catalysis system can be suitable for the process of degrading tetracycline-polluted wastewater by an environment-friendly industrial hydrogen peroxide aqueous solution system; and the electric field catalysis system can be suitable for ammonia synthesis reaction in a liquid ammonia solution system dissolved with nitrogen and hydrogen in the chemical industry.

The utility model relates to the technical field of aluminum oxide industrial production, and particularly discloses a washing system for washing an aluminum hydroxide filter cake, which aims at solving the problem that the local water washing of the filter cake is insufficient or the local water content of the filter cake is too high in the washing process of the existing aluminum hydroxide filter cake, and comprises a washing box, a water inlet pipe penetrates through the top of the washing box, and a water outlet hole is formed in the bottom of the washing box; a sawtooth buffer plate and a gate plate are sequentially erected in the washing box in the direction from the bottom of the washing box to the bottom of the washing box, the sawtooth buffer plate is erected in the middle of the washing box in the horizontal direction, and the gate plate is vertically arranged at the inner bottom of the washing box. According to the aluminum hydroxide filter cake washing system, existing aluminum hydroxide filter cake washing equipment is optimized and improved, the washing system is arranged close to the periphery of the surface of a flat plate, less water is distributed on an inner ring, more water is distributed on an outer ring, a filter cake is uniformly washed through components such as a sawtooth buffer plate, the operation precision is higher, and the production efficiency is higher.

A process for carbon mineralization of petroleum refinery solid waste material includes providing an aluminum (Al)-containing industrial solid waste generated within a petroleum refinery, a carbon dioxide (CO2) containing stream, and an alkali base to a mineralization reactor. The petroleum refinery solid waste material includes the aluminum-containing industrial solid waste. The process also includes reacting the Al-containing industrial solid waste, the CO2 containing stream, and the alkali base within the mineralization reactor under reaction conditions to produce a reactor product comprising an Al-containing carbonate product.

The utility model provides a high-efficiency screening hopper for overhaul slag charge of an aluminum electrolysis cell, and relates to the field of electrolytic aluminum industry. The feeding hopper is supported by a first support, and a conveying belt is arranged below a hopper opening in the bottom of the feeding hopper. Vibration of the vibration table is conducted to all stages of vibration sieve plates through the connecting plate, so that slag materials with small particle sizes on the vibration sieve plates fall down from sieve holes, and slag materials with large particle sizes are screened out through the passing plate, the material guide groove and the discharging pipe. Small-size slag materials falling from sieve holes of the vibrating sieve plate fall onto the bottom plate of the screening channel, the slag materials on the bottom plate are accelerated to fall into the next-stage screening channel from the connecting channel through rapping of the rapping device, and therefore multi-stage screening of the aluminum electrolysis cell overhaul slag materials is completed, the particle size difference of all stages of slag materials after screening is more obvious, and the screening efficiency is improved. Therefore, the slag materials can be conveniently recycled after screening; the problem that the particle size difference of slag materials screened by an existing screening funnel is not obvious is solved.

The application discloses a kind of high-strength conductive aluminum-based micro-composite material and preparation method thereof, belong to aluminum alloy material processing technical field.The preparation method includes the following steps: using industrial pure aluminum, industrial silicon, magnesium and Al-8B-2C intermediate alloy as alloy raw materials for batching, wherein, the addition amount of industrial silicon is 0.6~0.8wt%, the addition amount of magnesium is 0.6~0.8wt%, the addition amount of Al-8B-2C intermediate alloy is 1~3wt%, and the rest is industrial pure aluminum;The alloy raw material is melted, cast, homogenization treatment, extrusion forming, solid solution treatment and aging treatment, namely obtained.The aluminum-based micro-composite material obtained by the above preparation method has good comprehensive performance, the tensile strength is higher than 310MPa, the elongation is higher than 10%, and the conductivity is higher than 52%IACS.

The present application relates to a kind of steelmaking desulfurizer, a kind of efficient molten iron pretreatment composite function desulfurizer and preparation method, its component composition: ultra-low carbon low sulfur lime 60~80%, aluminum industry byproduct white aluminum ash 15~25%, calcite 10~20%, baking soda 1‑5%, binder 0.3~0.5%, product granularity 1‑6mm, for molten iron KR pretreatment for steelmaking use.Compared with ordinary KR desulfurizer, the endpoint sulfur of pretreatment desulfurization is reduced from 0.010% to 0.002% or less, unit consumption <0.26 kg / (ton iron × sulfur), and the temperature drop in pretreatment process is reduced from 45~55℃ to 35℃ or less;While using environmental protection type flux, reducing refractory erosion, reducing maintenance amount, improve production rhythm.

This invention relates to the aluminum melting industry and discloses a gas burner for use in the aluminum melting industry, comprising a supply component and a combustion component. The combustion component includes a support body on which a combustion head is mounted. The combustion head includes a connecting shaft, one end of which extends into the aluminum melting furnace and is fitted with a cover, and the other end of which is connected to the supply component. The upper end of the cover is arc-shaped, and the lower end has a narrow outlet. An arc plate is provided on the upper cavity wall of the inner cavity of the cover. There is a gap between the suspended end of the arc plate and the upper cavity wall of the inner cavity of the cover. A heat-conducting plate is provided on the lower arc surface of the arc plate. The bottom of the heat-conducting plate passes through the narrow outlet, and there are gaps between the two sides of the heat-conducting plate and the two corresponding holes of the narrow outlet. A blade shaft is coaxially arranged inside the connecting shaft. One end of the blade shaft extends into the cover and is fitted with rotating blades. This solution can achieve rapid mixing of combustion air and fuel gas and can make combustion more complete.

The present application provides a method for extracting lithium from waste aluminum electrolyte and carbon residue and co-producing sodium aluminum fluoride and hydrogen peroxide, which combines and processes the carbon residue and aluminum electrolyte of aluminum industry waste, adopts a combined process of dry and wet methods, and produces sodium fluoride by volatilizing fluorine through calcination, which can be recycled in aluminum electrolysis enterprises; aluminum is made into fire retardant aluminum hydroxide, sodium sulfate is made into ammonium sulfate fertilizer and sodium carbonate, and sodium carbonate is used for the synthesis of sodium fluoride. The whole process extracts each element step by step and has high yield, and truly realizes the recycling of multiple elements.

The present application belongs to the technical field of comprehensive utilization of aluminum industrial waste resources, and particularly relates to a method for high-value treatment of post-lithium-extraction slag of overhaul slag, which realizes a method for recovering valuable elements such as fluorine, aluminum and sodium in post-lithium-extraction slag of overhaul slag through fluorosilicic acid treatment. The post-lithium-extraction slag is treated by the method, so that the final product is converted into high-molecular poly cryolite and aluminum fluoride products with high quality; efficient recycling of valuable elements such as fluorine, aluminum and sodium is realized, and the resource utilization efficiency of related elements is improved.

The invention discloses a method for producing sandy aluminum oxide by treating aluminum ash through a soda lime sintering method, and belongs to the technical field of aluminum industry environmental protection. According to the invention, the aluminum ash, sodium carbonate and limestone are mixed according to a certain proportion, high-temperature sintering is directly carried out, and the sandy alumina is obtained through the procedures of ball milling alkaline leaching, solid-liquid separation, deep desilicication, carbon component strengthening and the like, so that the risk that toxic combustible and explosive gases such as ammonia gas, methane, hydrogen and the like are generated when the traditional aluminum ash is washed with water is avoided; salt such as chlorine salt and villiaumite volatilized at high temperature is prepared into the aluminum smelting fluxing medium according to a proper proportion, so that high-value resource utilization of the aluminum ash is realized. The efficient desiliconizing agent is prepared from barium aluminate, hydrated calcium aluminate, hydrated calcium carboaluminate and lime milk according to a certain proportion, the desiliconizing effect is greatly improved compared with that of traditional lime milk, and a solid guarantee is provided for producing qualified sandy alumina. The concentration of carbon dioxide adopted for common carbon separation is 30-40%, the concentration of carbon dioxide in tail gas generated by the rotary kiln is about 10%, and the carbon separation efficiency is low, so that the concentration of carbon dioxide generated by the tail gas of the rotary kiln can be increased to 60-70% by adopting a purification-special silica gel pressure swing adsorption mode; the decomposition rate of the sodium aluminate solution and the yield of aluminum hydroxide are greatly improved, the effect of enhancing carbon content is achieved, carbon dioxide generated by the tail gas of the rotary kiln is reasonably utilized, and the carbon emission is reduced.

This utility model relates to the field of prebaked anode carbon block processing technology, and in particular to a high-precision automatic cutting machine for prebaked anode carbon blocks. It includes a worktable, a first motor, and a blade adjustment assembly. A support column is provided at the lower end of the worktable, and the blade adjustment assembly is provided on one side of the worktable. The first motor is located on one side of the worktable, with a first screw at its output end. A movable frame is located outside the first screw, and a first guide rod is provided on one side of the worktable. A mounting plate is located at the upper end of the movable frame. This device places the prebaked anode carbon block on the worktable, starts the second motor, which drives a rotating disk to rotate. The rotating disk moves a connecting rod, which in turn moves a connecting column. The connecting column causes the movable rod to slide inside the movable frame, and the movable rod moves a clamping plate, thus centering and fixing the prebaked anode carbon block. This improves production efficiency, reduces scrap rate, and meets the modern aluminum industry's demand for high-quality prebaked anode carbon blocks.

The invention discloses a method for recovering antimony and tellurium through combined treatment of lead anode mud and red mud, and relates to the technical field of secondary resource recovery and cyclic utilization. The method comprises the following steps that lead anode slime is dried and then placed in a reaction device to be subjected to vacuum distillation, and arsenic-antimony volatile matter and lead-bismuth alloy are obtained; adding red mud into the arsenic-antimony volatile matter to form a solid mixture, then adding water into the solid mixture to form a solid-liquid mixture, stirring the solid-liquid mixture for constant-temperature leaching, and filtering the solid-liquid mixture subjected to constant-temperature leaching to obtain arsenic-antimony filter residues and tellurium-containing filtrate; adding alkali into the tellurium-containing filtrate to enable the tellurium-containing filtrate to generate precipitate, and filtering the precipitate to obtain solid tellurium dioxide; the arsenic and antimony filter residues are placed in a reaction device for vacuum distillation, and antimony trioxide and solid arsenic residues are obtained. In the recovery process, the tellurium and antimony content and the recovery rate are high, efficient tellurium and antimony recovery of the lead anode mud and harmless treatment of the red mud are facilitated, and the method is suitable for lead metallurgy and aluminum industry solid waste co-treatment and valuable metal recovery.

The invention relates to the field of secondary aluminum industry, in particular to a side shaft furnace structure of a single-chamber furnace for UBC secondary aluminum melt purification, the side shaft furnace is communicated with a main furnace chamber of the single-chamber furnace through two channels to form a closed cycle, and a main runner of the side shaft furnace structure is divided into an inlet area, a feeding area, an inclusion collecting area, an outlet area and a slagging-off area. A numerical calculation simulation experiment verifies that the main runner structure of the side shaft furnace can continuously generate a vortex flow field moving towards the slagging-off area in the inclusion collection area of the main runner during working, and non-metallic inclusions in molten aluminum can be efficiently collected and then accumulated to the slagging-off area to be removed; and the purification efficiency of the regenerated aluminum melt is effectively improved.