14 results about "Aluminium industry" patented technology

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 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 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 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.

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 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.

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 provides a method for extracting lithium carbonate from lithium-containing waste aluminum electrolyte and a mechanical crusher. Relates to recycling of metal materials, in particular to a method for extracting lithium carbonate from lithium-containing waste aluminum electrolyte, which comprises the following steps: S1, mechanically crushing blocky aluminum electrolyte, and accurately weighing a certain amount of crushed aluminum electrolyte powder; according to the method for extracting the lithium carbonate from the lithium-containing waste aluminum electrolyte, the wet metallurgy technology is adopted, the lithium element is extracted from the lithium-containing waste aluminum electrolyte, accumulation of the waste aluminum electrolyte is reduced, recycling of the valuable element lithium is achieved, lithium is extracted from the electrolyte, the lithium extraction efficiency reaches 88.0%, and the lithium carbonate can be extracted from the lithium-containing waste aluminum electrolyte. A fine particle compound is obtained in the acid-base neutralization process, the substance can be added into an aluminum electrolysis cell after being calcined, dissolved lithium is separated in a precipitation mode, the purity reaches 98.8%, and the process for recycling lithium from the aluminum electrolyte is expected to promote further development of the aluminum industry.

The application provides a resourceful treatment and recovery method of waste carbon cathode, and relates to the technical field of solid waste resourceful treatment. The resourceful treatment and recovery method of waste carbon cathode comprises the following steps: step S1, raw material pretreatment; step S2, activation treatment; step S3, primary leaching; step S4, secondary leaching; step S5, cryolite extraction; and step S6, lithium extraction. The method adopts low-temperature molten salt roasting and two-stage leaching coupling, breaks through the high energy consumption and low purity bottleneck of the traditional waste carbon cathode recovery technology, realizes the harmless disposal and high-value utilization of hazardous waste, has important significance for the recycling and utilization of lithium resources, and has important significance for the sustainable development of the aluminum industry. The method provides an economic and environmentally friendly technical path for the harmless treatment and resourceful utilization of waste carbon cathode, and has a broad industrial application prospect.

The utility model discloses a vortex well mechanical pump rotor device for melting aluminum skimmings in a double-chamber furnace in the secondary aluminum industry, which comprises a rotating shaft rod and an impeller mounted at the end part of the rotating shaft rod, the impeller is of a cylindrical structure, one end of the impeller is provided with a mounting hole connected with the rotating shaft rod, and the other end of the impeller is provided with a conical cavity; a plurality of kidney-shaped holes distributed circumferentially are formed in the side wall of the conical cavity, the impeller between every two adjacent kidney-shaped holes is a blade, an inner threaded hole in the top of the impeller is matched with an outer thread of the rotating shaft rod, disassembly and maintenance are convenient, the size of an impeller body, blade distribution, the number of open holes and the shape are optimized, and graphite materials and antioxidant treatment are combined. The design can greatly optimize the fluid mechanical property, improve the molten aluminum throughput and prolong the service life of the rotor, and is suitable for efficient conveying of molten aluminum in the aluminum skimming melting process of the secondary aluminum double-chamber furnace.