504 results about "Dross" patented technology

The invention discloses a treatment device and method for lead electrolysis anode copper removal scum, and relates to the technical field of lead electrolysis anode copper removal scum treatment.The treatment device comprises a cylindrical shell, the outer wall of the cylindrical shell is fixedly sleeved with a pair of annular grooves, a plurality of evenly-distributed exhaust holes are formed in the annular grooves, and material blocking nets are installed in the exhaust holes; the pair of annular grooves are communicated through a gas collecting pipeline; by arranging the shell, a closed space is provided for scum treatment, harmful gas leakage is avoided, the effect that scum and decomposition liquid are fully mixed and reacted is promoted through cooperation of internal structural components of the shell, uniform dispersion and guiding of the scum are achieved by arranging the scum distributing mechanism, the distributing uniformity and continuity are guaranteed, and the service life of the scum is prolonged. And by arranging the scum treatment mechanism, the effects of efficiently decomposing, filtering and separating scum, promoting sufficient mixing of the scum and decomposition liquid, improving the decomposition efficiency, preventing material screening holes from being blocked and ensuring continuous proceeding of the filtering process are achieved.

The embodiment of the utility model provides an aluminum alloy smelting and impurity removing device, and relates to the technical field of aluminum alloy machining. The aluminum alloy smelting and impurity removing device comprises a smelting furnace, a hollow pipe is rotationally arranged in the smelting furnace, a limiting groove is formed in the outer side of the hollow pipe, the limiting groove is slidably connected with a moving block, one side of the moving block is connected with a scraping plate, the using height of the scraping plate is adjusted by sliding in the limiting groove, and the hollow pipe drives the scraping plate to rotate to scrape dross on the surface of molten aluminum. The moving block drives the scraping plate to slide in the limiting groove, the height of the scraping plate is adjusted according to the position of molten aluminum, the hollow pipe rotates to enable the scraping plate to scrape dross on the surface of the upper layer of the molten aluminum, the dross enters the scraping plate, the liquid is discharged through the meshes, impurities in the molten aluminum are reduced, the rotating rod drives the stirring blades to rotate, and the stirring effect is improved. And the stirring blades promote uniform distribution of impurities in the molten aluminum and accelerate the mixing reaction of the refining agent and the molten aluminum, so that the impurity removal effect is further improved.

The invention relates to the technical field of waste copper purification, in particular to a waste copper purification and recovery device which comprises a melting mechanism, an overflow discharging mechanism arranged in the melting mechanism, a scraping mechanism arranged on the melting mechanism, a scum removing mechanism arranged on the scraping mechanism and a linkage assembly arranged on the scum removing mechanism. The material melting mechanism comprises a pressure-bearing base, an outer furnace installed on the base and an inner furnace installed on the base, and a fire spraying opening is formed in the inner wall of the outer furnace. And the overflow discharging mechanism comprises a chassis arranged at the bottom of the inner cavity of the inner furnace. According to the novel smelting equipment, the chassis and the inner furnace which are assembled are arranged, the inclined pipe is arranged at the top of the inner furnace, after the inner furnace is continuously heated till waste copper is liquefied, along with continuous feeding of the waste copper, finally, molten copper can be released outwards from the inclined pipe, at the moment, the novel smelting equipment can continuously smelt the waste copper, and then the smelting efficiency of the waste copper can be improved.

The invention provides a method for improving the high-temperature crack resistance of a cupronickel alloy based on addition of an alterant, which comprises the following steps: S1, heating a cupronickel alloy raw material until the cupronickel alloy raw material is completely molten; s2, scum in the metal solution is fished out; s3, adding a copper-magnesium alloy; s4, adding pure titanium, and fully melting and reacting the pure titanium through stirring; s5, scum in the metal solution is fished out; s6, casting after the furnace front analysis is qualified; s7, obtaining a cupronickel alloy round ingot or flat ingot; the copper-magnesium alloy is added as a deoxidizing agent, so that the oxygen content of a metal solution can be reduced, oxygen is prevented from reacting with alloy elements to generate inclusions, the purity of the alloy is improved, and the crack resistance of the alloy is enhanced; the fine and uniform grain structure can effectively improve the high-temperature plasticity of the cupronickel alloy, reduce grain boundary defects, improve the high-temperature crack resistance of the cupronickel alloy and avoid cracking under high-temperature forging or hot rolling.

The utility model discloses a slag removal device, and relates to the technical field of metallurgical equipment, the slag removal device is used for cleaning zinc slag floating on the liquid level of zinc liquid in a zinc pot, the zinc pot is provided with a first end and a second end which are oppositely arranged in the first direction and a first side and a second side which are oppositely arranged in the second direction, and the first direction is perpendicular to the second direction; the slag removal device comprises a slag skimming mechanism, and the slag skimming mechanism comprises a first slag skimming plate which is arranged in the area, close to the first end, in the zinc pot; the first driving piece is used for driving the first drossing plate to dross zinc dross located in the middle area of the liquid level of the zinc liquid to the first side and / or the second side; the second slagging-off plate is arranged in an area, close to the first edge side and / or the second edge side, in the zinc pot; and the second driving piece is used for driving the second slagging-off plate to slagging off the zinc slag close to the first side and / or the second side from the first end to the second end. According to the technical scheme, the first slagging-off plate and the second slagging-off plate are matched with each other, so that zinc slag can be quickly gathered together and can be intensively removed.

The invention relates to the technical field of steel rolling, in particular to a hot dipping production method of a high-grade surface aluminum-zinc plated steel plate, which comprises the following steps of: arranging a heating device and a temperature detection device on a lower chute of an annealing furnace, calling a temperature set value of the lower chute of the annealing furnace as a control value according to the thickness of strip steel, and adjusting the power of the heating device according to an actual value of the temperature detection device; the temperature of the lower chute of the annealing furnace is constant; the strip steel is in a non-shaking state according to the magnetic adsorption torque; the Fe element is promoted to be separated out in the form of zinc slag by utilizing a mode of repeatedly increasing and decreasing the temperature of a plating solution in a production intermission period; and the concentration of the finishing liquid is judged through an on-line conductivity detection device. The method has the advantages that on the premise that equipment investment is not greatly increased, the occurrence probability of the problems such as uneven spangles on the surface of the high-grade surface hot-dip aluminum-zinc product, zinc dross, zinc ash and finishing chromatic aberration which seriously affect the surface quality of the product is reduced, high-quality and high-efficiency production of the high-grade surface hot-dip aluminum-zinc product is achieved, and the production cost is reduced. And stable operation of the unit and product quality meeting requirements are ensured.

The invention relates to a die-casting forming method for improving the density of a casting, belongs to the technical field of aluminum alloy casting, and solves the problems of high porosity, low density and low mechanical property of an aluminum alloy thick-wall die casting in the prior art. A die-casting forming method for improving the density of a casting comprises the following steps that firstly, an aluminum alloy metal raw material is added into a preheated smelting furnace, melting and heating are conducted, aluminum alloy liquid is obtained, and a refining modifier is added and stirred; 2, degassing treatment is conducted on the aluminum alloy liquid, and surface scum is removed after standing; 3, a die-casting die is preheated, and a layer of release agent is sprayed on the die-casting die; 4, the molten aluminum alloy is cooled and poured into a pouring gate of the die-casting die, the thickness of the pouring gate is 8-12 mm, and the molten aluminum alloy is slowly injected into a cavity of the die-casting die through an injection punch; and 5, the aluminum alloy die casting is taken out, the die casting is placed in a water tank to be quenched, and the high-density die casting is obtained. And preparation of the high-density aluminum alloy thick-wall die casting is achieved.

The invention relates to the technical field of metal-based composite materials, and discloses a preparation method of a high-dispersity silicon carbide reinforced aluminum-based composite material, which comprises the following steps: heating and melting an aluminum alloy material, and then vacuumizing; the stirring mechanism extends into the alloy liquid by a specified depth, and the stirring mechanism is started to perform vacuum high-temperature stirring; adding a modificator A, and continuously performing vacuum high-temperature stirring to perform first modification; the pretreated SiC particles are spread on the aluminum alloy liquid at a constant speed; after stirring is completed, a modifier B, a refiner and a deslagging agent are added, and secondary modification, refinement and deslagging are conducted; and releasing vacuum, treating attachments and dross on the surface of the melt, and discharging to cast a product or a cast ingot. According to the preparation method, the addition amount of the SiC particles can be increased to 40%, the dispersion uniformity can be improved to more than 95%, the wettability of the SiC particles can be remarkably improved, and the porosity and oxide inclusion can be reduced, so that the comprehensive performance of the composite material can be improved.

The invention relates to the technical field of aluminum alloy smelting, in particular to an aluminum alloy smelting furnace deslagging device which is characterized in that a moving frame is arranged on the outer side of a smelting furnace, a lifting mechanism is arranged on the moving frame, and a deslagging mechanism is arranged on the lifting mechanism; through cooperation of the lifting mechanism and the slag discharging mechanism, the operation radius of operators can be enlarged, threats to the operators caused by splashing of high-temperature molten aluminum are avoided, and the purpose of stably covering the fished dross can be achieved; through cooperation of the lifting mechanism and the slag discharging mechanism, dross on the surface of molten aluminum can be guided and driven to the edge of the smelting furnace in the slag salvaging process, and the dross is rapidly gathered to the edge of the smelting furnace; through cooperation of the moving frame and the slag discharging mechanism, flexible moving and receding of the slag discharging mechanism can be achieved, so that development of other procedures in the aluminum alloy smelting process is facilitated, stable positioning of the slag discharging mechanism can be achieved, and auxiliary dumping of fished-up dross can be achieved.

The invention discloses a method for recovering indium from an indium-containing anode bag and indium-containing waste materials, and belongs to the technical field of resource recycling and reutilization. The indium-containing anode bag is pyrolyzed, then a pyrolysis precursor, fused salt and indium-containing waste material powder are evenly mixed and calcined, the anode bag not only contains a large amount of indium but also contains a large amount of carbon element, and therefore the indium-containing anode bag can be recycled. The preparation method comprises the following steps: calcining indium in a calcining furnace, effectively improving the reduction effect and reducing the loss rate of indium metal in the calcining process under the combined action with molten salt, respectively recovering and purifying indium-containing scum and indium alloy, carrying out acid leaching on the indium-containing scum, carrying out selective adsorption and desorption on indium by using resin to obtain an indium-containing solution with low impurity content, distilling the indium alloy, and recycling the indium-containing solution. And crude indium is obtained.

The invention discloses a refining impurity cleaning and removing process for secondary copper, which comprises the following steps: (a) pretreatment melting: melting a secondary copper raw material to form copper liquid, and controlling the temperature to be 1150-1250 DEG C; (b) oxidizing and slagging: introducing oxygen-containing gas into the copper liquid for 20-40 minutes to oxidize impurity elements to form scum; according to the refining impurity cleaning and removing process for the secondary copper, As and Sn are converted into high-valence oxides through oxidation, then a low-melting-point borate slag system is formed through borax in the composite flux, and efficient trapping of impurities is achieved. The mass transfer process is enhanced, flux agglomeration is avoided, and the impurity removal rate is increased by 30% or above. The borax / calcium fluoride combination significantly reduces the melting point of the slag system (actually measured lt; and the lead and tin removal efficiency is improved.

The invention relates to the technical field of aluminum alloy ingot preparation, and discloses a high-temperature-resistant aluminum alloy ingot and a preparation method thereof. The preparation method comprises the following steps: firstly, setting chemical components in a high-temperature-resistant aluminum alloy ingot in percentage by weight to obtain preparation raw materials; preparing raw materials are put into a smelting furnace, an improved differential evolution algorithm is used for optimizing the stirring speed and the heating speed of the smelting furnace, so that the preparing raw materials are completely melted, a prepared melt is obtained, meanwhile, a refining agent is added into the prepared melt, standing is conducted, dross is collected, and a refined melt is obtained; and the casting temperature is controlled through a thermocouple multi-point calibration method, the refined melt is poured into a preheated mold, and the high-temperature-resistant aluminum alloy ingot is obtained after cooling and solidification. The high-temperature-resistant aluminum alloy ingot is obtained through burdening, smelting, refining and casting, the purpose of preparing the high-temperature-resistant aluminum alloy ingot is achieved, and the method is objective and accurate.

The invention provides an energy-saving smelting furnace structure, and relates to the technical field of smelting furnaces, the energy-saving smelting furnace structure comprises a smelting furnace body, a lifting furnace cover is arranged above the smelting furnace body, a waste residue storage box is fixedly connected to the side surface of the smelting furnace body, a furnace cover bracket is vertically welded above the lifting furnace cover, and a lifting push cylinder is fixedly connected above the furnace cover bracket; the smelting furnace has an automatic slag salvaging function, slag is discharged to the slag storage box through the slag discharge port when the smelting furnace is closed, floating impurities in molten liquid are removed, the cover does not need to be opened manually to remove the floating slag, heat loss in the smelting furnace opening process is reduced, energy consumption of the smelting furnace is reduced, and the problem that when an existing smelting furnace is used for smelting metal, the cost is low is solved. The problems that a furnace cover needs to be opened to add metal materials in the smelting process, heat loss is caused, energy consumption is not reduced, and in the metal smelting process, a smelting furnace needs to be opened to fish and separate dross floating on the upper layer, heat loss is caused, and energy consumption is not reduced are solved.

The invention relates to the technical field of electrolytic aluminum, and discloses a furnace cleaning and slagging-off device for electrolytic aluminum machining, which comprises a cleaning device, the cleaning device comprises two slagging-off mechanisms and a slag salvaging mechanism, the two slagging-off mechanisms are symmetrically arranged, and each slagging-off mechanism comprises a cover I and a hydraulic cylinder I which are hinged in an electrolytic furnace; a plurality of sets of slagging-off operation mechanisms are arranged on the inner side of the bottom of the slagging-off mechanism, each slagging-off operation mechanism comprises a swing arm with the action end moving along an elliptical track, a slagging-off plate is rotationally arranged on each swing arm, the slag salvaging mechanism comprises a second cover and a second hydraulic cylinder which are hinged to the interior of the electrolytic furnace, and a slag salvaging plate set and a guide frame are arranged at the bottom of the second cover; scum on the surface of molten aluminum is pushed to the slag salvaging plate set from the front side of the electrolytic furnace through the slagging-off plate of the slagging-off operation mechanism, the slag salvaging plate set drives the scum to be lifted and poured on the discharging table, and through the slagging-off mechanism and the slag salvaging mechanism which are symmetrically arranged, slagging-off operation can be conducted from the two sides of the electrolytic furnace at the same time.

The utility model relates to the field of molten aluminum crucibles, and discloses a molten aluminum crucible with a surface scum cleaning structure. The molten aluminum crucible with the surface scum cleaning structure comprises an equipment bottom plate, a plurality of rectangular supporting plates are fixedly connected to the upper end of the equipment bottom plate, a carrying plate is fixedly connected to the upper ends of the rectangular supporting plates, an annular plate is arranged at the lower end of the carrying plate, and a telescopic rod is slidably connected to the interior of the annular plate; a threaded opening is fixedly connected to the lower end of a telescopic rod, a worker can conveniently clean the used scum adhesion disc, connection between the telescopic rod and a lower annular plate is conveniently reinforced through a gasket, so that stable connection of equipment is guaranteed, and a rectangular supporting plate and a carrying plate can conveniently guarantee complete frame of the equipment; and by means of the annular plate, the position of the telescopic rod can be conveniently limited in an auxiliary mode.

The invention relates to the field of antimony smelting, and particularly discloses an arsenic removal method of arsenic-containing crude antimony, which comprises the following steps: stirring and refining the arsenic-containing crude antimony and an iron-loaded composite material in a protective atmosphere at 750-1000 DEG C, carrying out alloying reaction on As in the arsenic-containing crude antimony and iron in the iron-loaded composite material to form FeAs alloy-loaded scum, and then carrying out slagging-off treatment to obtain the arsenic-containing crude antimony. The arsenic and antimony removed melt is obtained; the iron-loaded composite material comprises a carrier and an iron elementary substance immobilized on the carrier, the density is lower than 3 g / cm < 3 >, and the mass of iron added into the iron-loaded composite material is 1-2 times of the theoretical quantity required for transforming As into FeAs. The novel arsenic removal method provided by the invention is good in arsenic removal effect, simple to operate and low in raw material price, and has a very good application value.

The invention relates to the technical field of insulator iron cap production, in particular to an insulator iron cap and a preparation method thereof.The preparation method comprises the steps that after a steel ladle is preheated, a part of spheroidizing agent and a part of nucleating agent are laid at the bottom of the steel ladle, and a TiC-SiC-Fe reinforcing material plate is laid at the top of the spheroidizing agent and the top of the nucleating agent; the remaining spheroidizing agent and nucleating agent are subjected to core wrapping with aluminum, and an aluminum core-spun yarn is obtained; the molten iron liquid is injected into a steel ladle, dross is skimmed after a reaction, then an aluminum core-spun yarn is fed into the steel ladle, the reaction is continued, dross is skimmed again after the reaction is finished, and enhanced molten iron is obtained; pouring enhanced molten iron into the mold, and carrying out solidification, cooling, demolding and fine finishing to obtain an intermediate casting; and carrying out hot-dip galvanizing treatment on the intermediate casting, and plating a corrosion-resistant zinc layer to obtain the insulator iron cap. The TiC-SiC-Fe reinforced material plate is used for refining grains, the nodulizing agent and the nucleating agent are added in batches, and the corrosion-resistant zinc layer is plated, so that the prepared insulator iron cap has excellent mechanical strength and corrosion resistance.

The utility model relates to a casting slag stopping device, which is used for filtering and stopping scum on the surface of molten aluminum, and comprises a shunting bag and a slag stopping ring, the shunting bag is in a net bag shape, is convenient for filtering the scum and simultaneously is convenient for uniformly shunting the molten aluminum, the shunting bag is adjustably connected below a casting flow table, and the shunting bag is horizontally arranged; a slag blocking ring is further adjustably arranged below the casting flow table and horizontally arranged on the periphery of the flow dividing bag in a surrounding mode, scum in molten aluminum flowing out of the flow dividing bag can be conveniently intercepted, a distance exists between the slag blocking ring and the flow dividing bag, the intercepted scum is located in the distance range, and the slag blocking ring extends downwards into the continuous casting crystallizer. And the lower part of the slag stopping ring is immersed into molten aluminum in the continuous casting crystallizer. According to the utility model, scum is filtered through the shunting bag, and then the scum is gathered in a smaller range through the scum baffle ring, so that the scum is conveniently cleaned manually.

The present invention relates to a method for preparing high-purity metallic bismuth, and relates to the technical field of non-ferrous metal metallurgy. The preparation method comprises the following steps: (1) in an inert atmosphere, a bismuth-containing raw material, phosphorus pentoxide and sulfate accounting for 1 / 3 to 1 / 2 of the total amount of sulfate are melted to obtain a product, and then the product is skimmed to remove the generated phosphate scum to obtain metallic bismuth with a purity of 4N; (2) the metallic bismuth obtained by skimming in step (1) is ground and sieved, and then mixed with sulfate accounting for 1 / 2 to 2 / 3 of the total amount of sulfate and subjected to two-stage vacuum distillation; (3) while performing two-stage vacuum distillation in step (2), graded condensation is performed to obtain high-purity metallic bismuth with a purity of 5N. Compared with traditional vacuum distillation and zone smelting processes, the present invention has the advantages of good purification effect, high impurity removal efficiency, etc., and has good application prospects.

The invention discloses a two-stage spheroidizing process and processing equipment for a high-nickel austenite ductile iron valve rod nut, and belongs to the technical field of metal smelting, the two-stage spheroidizing process comprises the following steps: S1, preparing raw materials: low-sulfur and low-phosphorus pig iron, scrap steel, ferronickel, a silicon-magnesium-calcium spheroidizing agent and a 75 silicon-iron nucleating agent; the smelting furnace is started, and the low-sulfur and low-phosphorus pig iron, the waste steel and the ferronickel furnace charge are heated to be completely molten; s2, primary spheroidizing: after covering a nucleating agent, rapidly pouring high-temperature molten iron to initiate spheroidizing reaction and promote spheroidizing of graphite; the slagging-off mechanism is convenient and flexible to move, convenient to adapt to different smelting furnaces and casting ladles, convenient to use and capable of rapidly removing dross and rapidly cleaning slag charge, the slagging-off quality is improved, the slagging-off hopper and the striker plate are flexible and rapid to disassemble and assemble and convenient to replace, and the slagging-off efficiency is improved. And then smelting furnaces and molten iron casting ladles with different calibers can be conveniently adapted, so that the technical effect that the slagging-off working efficiency is effectively improved is achieved.

The invention discloses a method for recycling tin and copper resources in copper dross through a gas phase oxidation-reduction roasting two-step method, and relates to the field of secondary resource recycling. The method comprises the following steps: firstly, grinding and mixing the copper dross and a slag former, feeding into a smelting furnace, and carrying out selective oxidation smelting, so that a gas oxidizing agent and tin, lead, copper, arsenic and sulfur phases in the copper dross are subjected to selective oxidation reaction, tin, arsenic and copper enter a dross phase, most lead is distributed in a crude lead phase, sulfur is oxidized into sulfur dioxide and enters a gas phase; selective oxidation slagging and efficient separation of tin and copper are achieved; then smelting slag and a reducing agent are evenly mixed according to a certain proportion and put into a rotary kiln to be subjected to reduction roasting, tin, arsenic, copper and other components in the smelting slag are synchronously subjected to a reduction reaction, arsenic can be reduced into arsenic oxide to be volatilized and enriched in smoke dust, tin and copper are reserved in roasting slag, and copper-tin alloy is generated through reduction smelting; the method disclosed by the invention has the advantages of simplicity in operation, low cost and the like, and has a good popularization and application prospect.

The invention discloses a preparation method for preparing oxygen-free copper through efficient impurity removal of recycled copper, which comprises the following steps: heating and melting the recycled copper to obtain a recycled copper melt, and determining the content of copper element by adopting spectral analysis; oxygen is continuously introduced into the regenerated copper melt, impurity removal agent powder is weighed according to the content of impurity elements and sprayed into the furnace together with the oxygen to react with impurities in the melt, and the regenerated copper melt subjected to impurity removal is obtained; continuously introducing natural gas melt into the regenerated copper melt subjected to impurity removal, weighing deoxidant powder according to oxygen content in the natural gas melt, and spraying the deoxidant powder into the furnace by using the natural gas to react with oxygen in the melt, so as to obtain a regenerated copper melt subjected to oxygen removal; and standing the deoxidized regenerated copper melt, removing scum in the melt, and casting to obtain an oxygen-free copper product. According to the method, the impurity removal agent and the deoxidant powder are used in a combined mode, the time needed by oxygen impurity removal and natural gas reduction is shortened, the quality of the molten copper is improved, consumption of production materials is reduced, the production efficiency is improved, the production cost and pollution to the atmospheric environment are reduced, and the method is suitable for large-scale application.

The invention provides a zinc dross self-cleaning inductor operation control method and device based on a circulating gully, and relates to the technical field of industrial smelting furnaces, the method comprises the following steps: step 1, monitoring the temperature of zinc liquid in a zinc pot in real time through a temperature sensor, and transmitting a temperature signal to a temperature control instrument; 2, the temperature control instrument processes the temperature signal according to a set threshold value and outputs a high-temperature signal or a low-temperature signal to the programmable logic controller; and step 3, the programmable logic controller controls the contactor group to switch the output voltage of the autotransformer based on the temperature signal, so that the inductor operates in a low-power, medium-power or high-power mode. Through real-time temperature control, automatic power regulation and circulating gully, the liquidity and heating efficiency of molten zinc are improved, zinc slag blockage and manual cleaning are reduced, the service life of the inductor is prolonged, and the product quality is stabilized.

The purpose of the present invention is to provide a hot-dip Al-Zn-Si-Mg-based steel sheet which has excellent surface appearance and in which the occurrence of wrinkle-like defects is suppressed without any defects such as scum defects. In order to achieve the purpose, the present invention is a hot-dip Al-Zn-Si-Mg-based steel sheet provided with a plating film, the plating film having a composition containing 45-65% by mass of Al, 1.0-3.0% by mass of Si, 1.0-10.0% by mass of Mg, and 0.01-0.5% by mass of Mn, with the remainder comprising Zn and unavoidable impurities, and the thickness of the plating film being within the range of 50 mm removed from both ends of the steel sheet, the thickness of the plating film being within the range of 50 mm removed from both ends of the steel sheet, the thickness of the plating film being within the range of 50 mm removed from both ends of the steel sheet, and the thickness of the plating film being within the range of 50 mm removed from both ends of the steel sheet. The height difference per 1 mm length of the surface of the steel sheet is 10 [mu] m or less.

The present application relates to a kind of bauxite clinker kiln method and system for disposing aluminum ash, belong to metallurgical environmental protection technical field, the method includes the following steps: pretreatment aluminum ash, obtain fine powder aluminum ash;Fine powder aluminum ash is added to bauxite slurry, so that fine powder aluminum ash and the dry raw material and calcined coal ash in bauxite slurry are mixed, and mixed sintering is carried out, and then cooling is carried out, to obtain clinker;The present application carries out resource utilization to aluminum ash, replaces part of aluminum ore, and is used in the production of aluminum-based new material product, while reducing the production cost of aluminum-based new material product, realizes the harmless treatment of aluminum ash.

The invention discloses a method for cooperatively treating dross through graded smelting and oxidizing roasting, and relates to the technical field of pyrometallurgy, and the method specifically comprises the following steps: (1) smelting copper dross, and settling lead liquid to obtain lower-layer metal lead and upper-layer dross; and (2) putting the upper-layer dross into a converter, and sequentially carrying out oxidizing roasting and reduction smelting to obtain copper matte and lead bullion. According to the method, a two-stage process framework for improving the copper grade through smelting pot layering and converter deep lead removal is created for the first time, natural sedimentation layering of the lead liquid and the waste residues is achieved through the smelting pot by means of the density difference of molten substances, and metal and impurity phases are effectively separated; by means of the method, the lead liquid closed-loop circulation system improves the lead recovery rate to 97% or above, and the final copper grade of matte is improved to 55%-65%.

The invention discloses refining equipment and a refining method for aluminum alloy in aluminum ash, and belongs to the technical field of aluminum ash treatment. The refining equipment comprises a storage frame with a movable rail at the lower end, first connecting plates with an infrared temperature sensor and an infrared moisture meter are arranged at the front end and the rear end of the storage frame respectively, and a transmission disc is arranged at the lower end of the storage frame. According to the aluminum slag refining device, the problem that an existing aluminum slag refining device cannot conduct corresponding-orientation conveying and corresponding treatment on humid and high-temperature aluminum slag is solved, an infrared temperature sensor and an infrared moisture meter can detect the state of the aluminum slag, and after it is detected that the temperature of the aluminum slag is high or the aluminum slag is humid, the aluminum slag can be subjected to corresponding-orientation conveying and corresponding treatment. And the storage frame can be dumped into the corresponding water-cooled roller cooler and the corresponding material rotary roller dryer for treatment, and the trend of intensification and cleanness of modern industrial equipment is met.

The application discloses a kind of waste copper pyrogenic regeneration intensive smelting device, including support, and for being arranged on the smelting furnace of support, copper water separation component, copper water shaping component, scraping component and lifting driver, copper water separation component and copper water shaping component are used to be sequentially arranged under smelting furnace, so that the copper water smelted by smelting furnace is separated by copper water separation component and then transmitted into each cavity of copper water shaping component to be shaped, scraping component includes multiple scrapers, transmission support rod for being connected with multiple scrapers, and guide support rod arranged on support, part of transmission support rod is slidably connected with guide support rod, wherein, lifting driver is used to drive copper water shaping component, scraper and transmission support rod to carry out synchronous lifting movement, by the setting, before copper water shaping, complete the separation process of dross, solve the removal mode of dross in the prior art, there is the technical problem of low efficiency and causing the risk of casualties of operating personnel.

The present invention relates to the field of antimony smelting, and specifically discloses a method for removing arsenic from arsenic-containing crude antimony. The method comprises stirring and refining the arsenic-containing crude antimony and an iron-loaded composite material in a protective atmosphere at a temperature of 750 to 1000°C, causing As in the arsenic-containing crude antimony and iron in the iron-loaded composite material to undergo an alloying reaction and form a slag containing an FeAs alloy. The slag is then skimmed to obtain an arsenic-removed antimony melt. The iron-loaded composite material comprises a carrier and an immobilized iron element thereon; and the density thereof is less than 3 g / cm 3 The mass of iron in the iron-loaded composite material is 1 to 2 times the theoretical amount required to transform As into FeAs. The new arsenic removal method proposed by the present invention has good arsenic removal effect, simple operation, low raw material price, and good application value.

The invention relates to the technical field of casting equipment, and particularly discloses a camshaft casting continuous production device and method.The device comprises an electric induction furnace and a slag salvaging mechanism, and the electric induction furnace comprises a furnace body and a support arranged on the furnace body and close to a furnace opening; the slag salvaging mechanism comprises an outer sleeve rotationally connected with the support, a spiral conveyor coaxially arranged in the outer sleeve, and at least one intermittent slag collecting assembly, wherein one end of the outer sleeve extends into the furnace body from the furnace opening. A slag inlet and a slag outlet are formed in the outer sleeve in the axial direction at intervals, the intermittent slag collecting assembly is constructed to continuously collect dross in molten iron in the furnace body and extrude the dross into the outer sleeve from the slag inlet, and the spiral material conveying machine is constructed to continuously convey the dross from the slag inlet to the slag outlet and discharge the dross, so that the time difference between manual slag salvaging and connection of previous and later procedures is effectively solved; the continuity of casting production is guaranteed, and the production efficiency is improved to adapt to the large-scale production requirement; and meanwhile, the consistency of the deslagging degree is ensured through automatic deslagging operation, and the stability of the quality of the camshaft blank is improved.