278 results about "Copper slag" patented technology

The invention discloses a method for producing iron powder by solid reduction treatment of copper smelting slag in a rotary kiln. Copper slag powder is obtained by crushing the copper smelting slag; carrying out solid-state reduction on the pellets containing the copper slag powder in a rotary kiln; carrying out magnetic separation on the reduced material to obtain iron powder and tailings; the pellets are fed into the rotary kiln from the tail of the rotary kiln, air is blown into the rotary kiln from a kiln head, and the reduced materials are discharged from the kiln head; the raw materials of the pellets comprise copper slag powder, limestone powder and pulverized coal. According to the method, the copper smelting slag is subjected to solid-state reduction treatment through the rotary kiln to comprehensively recover and produce the iron powder, and treatment and resource recycling of the copper smelting slag are achieved; the reduction, harmlessness and recycling of the industrial waste residues are realized, the investment is saved, the energy is saved, the consumption is reduced, the operation cost is low, and the popularization is easy.

The invention discloses a welding slag ladle for containing copper slag and a design method. The welding slag ladle is suitable for containing, cooling and inverted placing procedures of high-temperature copper slag. The cinder ladle comprises a cylinder body, a ladle bottom, rib plates, trunnions and supporting legs, the cylinder body and the ladle bottom are formed by welding high-temperature-resistant and high-strength rolled plates, the thickness of the cylinder body is 70-100 mm, and the thickness of the ladle bottom is 80-120 mm; setting an inclination angle beta of 11.5-21 degrees relative to the center line of the bus of the cylinder body, and controlling the roughness of the inner wall to be less than or equal to 12.5 microns so as to reduce the separation resistance after the copper slag is cooled; thickness combination, stress distribution, deformation and rib plate arrangement are optimized through structural mechanical simulation, and it is ensured that the structural strength meets the requirements under high temperature and thermal cycle loads; full penetration weld joints are adopted, nondestructive testing is carried out, and the welding reliability is guaranteed; compared with a traditional casting cinder ladle, the mass of the cinder ladle is reduced by 10%-15%, the deslagging efficiency is improved, the service life is prolonged to more than two times of the original service life, and the cinder ladle has the advantages of being light in structure, high in bearing capacity, high in deformation resistance and good in maintainability.

The invention provides a method and a device for recovering valuable metals from copper smelting slag, and the method for recovering valuable metals from copper smelting slag comprises the following steps: before molten copper smelting slag is transferred into a slag ladle for cooling, adding first gas, gypsum slag and nitrogen into the molten copper smelting slag in a plasma injection mode, and after injection is completed, adding second gas into the slag ladle for cooling; and metal gaseous substances and copper slag are obtained. Carrying out post-treatment and flotation on the copper slag to obtain a valuable metal sulfonium phase and depleted slag; wherein the first gas is one or more of CO, H2, CO2 and CH4; and the metal gaseous substances comprise gaseous lead and gaseous zinc. And the valuable metal sulfonium phase is sulfides of copper, iron, lead and zinc. The process method and device are simple, the production time is shortened, CO2 emission can be reduced, secondary pollution caused by waste water and waste residues is avoided, and the green metallurgy requirement is met.

The invention discloses a preparation method of a mine filling material based on iron-rich solid waste and the obtained material.The preparation method comprises the steps that 5-30 parts by mass of steel slag powder, 40-50 parts by mass of copper slag powder, 5-20 parts by mass of red mud, 25-50 parts by mass of ferronickel slag powder, 10-12 parts by mass of carbide slag and 10-12 parts by mass of alkaline residues are subjected to dry mixing; then adding 10-15 parts by mass of water glass, 5-10 parts by mass of a water reducing agent, 5-10 parts by mass of a foaming agent and 10-40 parts by mass of water, mixing and stirring, and finally adding 100-250 parts by mass of tailings, and stirring again to obtain the mine filling material. According to the invention, various industrial wastes are utilized as resources and completely replace traditional cement raw materials, so that the production cost and carbon emission of the mine filling material are remarkably reduced, and the prepared mine filling material is good in compressive strength and improved in mechanical property.

The invention discloses a preparation method of an iron-manganese bimetallic catalytic material by using copper slag. The preparation method comprises two steps of pretreating the copper slag and preparing the iron-manganese bimetallic catalytic material. The iron-manganese bimetallic catalytic material prepared by the method belongs to a porous material, is rich in pores and large in specific surface area, is rich in Fe < 3 + >, Mn < 3 + >, Mn < 4 + > and other active sites on the surface, has the advantages of high catalytic activity, good stability and environmental friendliness, and realizes reduction and high-value utilization of the copper slag. In addition, the prepared iron-manganese bimetallic catalytic material can be used for catalyzing persulfate to form an advanced oxidation system, and is suitable for degradation treatment of organic wastewater such as printing and dyeing wastewater, pharmaceutical wastewater, food wastewater and raffinate.

The invention relates to the technical field of battery recovery, and particularly discloses a recovery method of a waste lithium ion battery negative electrode material and a lithium ion secondary battery. The recycling method comprises the following steps: discharging, disassembling and separating the waste lithium ion battery to obtain a waste shell, a waste positive electrode material, a waste negative electrode material and a waste diaphragm material; crushing and screening the waste negative electrode material to obtain waste negative electrode powder; the method comprises the following steps: mixing waste negative electrode powder with ammonium bifluoride, and roasting for a preset time at 100-500 DEG C in an inert gas atmosphere; carrying out water leaching treatment on the roasted product, and carrying out solid-liquid separation on the obtained slurry to obtain a first leaching solution and a regenerated negative electrode material; mixing the first leaching solution with a reducing agent, reacting, and carrying out solid-liquid separation to obtain a second leaching solution and copper slag; mixing the second leaching solution with alkali, reacting, and carrying out solid-liquid separation to obtain a third leaching solution and positive electrode precursor slag; and concentrating the third leachate to obtain recovered ammonium bifluoride. By implementing the method, green closed-loop recovery of all parts of materials can be realized, and the energy consumption is low.

The present invention relates to the field of sludge treatment technology, and more specifically, to a method for solidifying arsenic in high-arsenic sludge using clay and copper slag. The method involves drying the high-arsenic sludge at 105°C for 12 hours and grinding it to a particle size of less than 0.5 mm to obtain a dry material. The dry material is then mixed evenly with clay powder, copper slag, and coal powder. Water is then added, stirred at room temperature for a pre-reaction of 6 hours, and poured into a crucible to obtain a paste-like mixture A. The dry mixture A is then calcined at 850-900°C for 20-40 minutes under a protective atmosphere. The reaction product, after natural cooling, is then used as a roadbed material, for example. This method utilizes clay and copper slag calcination to treat high-arsenic sludge, resulting in low arsenic and other heavy metal leaching toxicity and excellent stability, while also fully utilizing metallurgical solid waste.

The invention provides a zinc-copper-nickel-copper smelting deslagging agent and a preparation method and a use method thereof. The zinc-copper-nickel-copper smelting deslagging agent comprises the following raw materials in percentage by mass: 5-15% of calcium fluoride, 20-30% of sodium carbonate, 5-15% of sodium fluoride, 10-20% of sodium hexafluoroaluminate and the balance of borax. Compared with the prior art, the zinc-copper-nickel-copper slag remover prepared by mixing the raw materials can effectively reduce impurities to be less than 0.14% of Fe, less than 0.005% of Pb and less than 0.003% of Si in the smelting process, the impurity components are obviously reduced, the number of times of component adjustment and unqualified sampling is reduced, impurities mixed in a casting blank are reduced, and finally the metal purity and the casting quality are improved. Meanwhile, loss of zinc and nickel is reduced to the maximum extent; and adverse effects on the zinc-copper-nickel alloy are avoided.

The invention discloses a method for preparing a NaFeO2 material and leaching copper, zinc and molybdenum from copper slag, and relates to the technical field of metallurgical solid waste resource utilization. The method comprises the following steps: grinding the copper slag, mixing the ground copper slag with a sodium salt, roasting the mixture in a muffle furnace at a proper temperature, and finally carrying out ultrasonic washing and filtering on the roasted product to obtain filter residues and filtrate; and drying filter residues to obtain a high-purity NaFeO2 material, and recovering valuable metals such as copper, zinc and molybdenum from filtrate. In the washing process, valuable metal elements copper, zinc and molybdenum in the copper slag are efficiently leached into the solution, the leaching rate reaches 96% or above, and synchronous recovery of the valuable elements is achieved; according to the method, the industrial waste residue copper slag is successfully converted into the NaFeO2 product with the high additional value, meanwhile, valuable metal is efficiently extracted, the method has the advantages of being simple in process, low in cost, high in recycling degree and environmentally friendly, a new way is opened up for high-value utilization of the copper slag, and the method has good industrial application prospects.

The invention relates to a wet catalytic oxidation catalyst and a preparation method thereof. The preparation method comprises the following steps: mixing a composite activator solution containing alkali metal hydroxide and a hydrated sodium silicate solution with a dry mixture containing water-quenched blast furnace slag and metallurgical copper slag to form precursor slurry, wherein the weight ratio of the dry mixture to the composite activator solution is 3: 2-2: 1; dispersing a solid copper-based active component in the precursor slurry to form catalyst slurry, wherein the weight ratio of the copper-based active component to the precursor slurry is 2: 100 to 25: 100; the catalyst slurry is subjected to curing forming, acid pickling and drying, and the wet catalytic oxidation catalyst is obtained. The catalyst prepared by the invention not only effectively improves the catalytic degradation efficiency of a wet catalytic oxidation system on organic matters, but also can be conveniently recycled and reused, and the cost of wastewater treatment is remarkably reduced.

The invention belongs to the technical field of metallurgy, and relates to a method for comprehensively recovering valuable elements from nonferrous smelting waste acid, which comprises the following steps: S1, mixing the waste acid with pyrrhotite, reacting in a sulfur dioxide atmosphere, and after the reaction, carrying out solid-liquid separation to obtain copper slag and copper removal liquid; and S2, H2S gas is introduced into the copper removal liquid obtained in the step S1, and after reaction, arsenic sulfide slag and arsenic removal liquid are obtained through solid-liquid separation. According to the method, FeS in the pyrrhotite selectively reacts with CuSO4 in the waste acid to generate indissolvable copper sulphide precipitates, meanwhile, under the protection of the sulfur dioxide atmosphere, the arsenic element in the waste acid is kept in a dissolved state and does not precipitate, the copper and arsenic elements in the waste acid can be effectively separated through the synergistic effect of the FeS and the CuSO4, and the separation steps are simple and efficient.

The invention relates to the technical field of building structure construction, and provides a prefabricated assembly type copper slag steel pipe concrete-H-shaped steel beam column joint. Comprising a copper slag steel pipe concrete column, an annular hoop piece, a lower column prefabricated upper end plate, a connecting device, an upper column prefabricated lower end plate, a first L-shaped steel plate, a second L-shaped steel plate, a bolt fastening piece, a convex sliding rail, an L-shaped steel groove, an H-shaped steel beam and special-shaped I-shaped steel. The lower column prefabricated upper end plate is arranged on the lower side of the copper slag concrete-filled steel tubular column, and the upper column prefabricated lower end plate is arranged on the upper side of the copper slag concrete-filled steel tubular column. According to the H-shaped steel beam column joint, connecting, splicing and positioning and placing of the concrete-filled steel tubular column and the H-shaped steel beam column joint can be more concise and convenient, on-site construction steps are saved, and the complexity degree is reduced; the construction method has the advantages that the construction cost is reduced, the construction efficiency is improved, the bearing capacity and durability of the joint can be effectively improved through beam-column joint connection, and good engineering application prospects are achieved.

The invention discloses a multi-component magnesium refractory aggregate using copper slag flotation tailings as raw materials and a preparation method thereof, the multi-component magnesium refractory aggregate is obtained by using copper slag flotation tailings powder, light-burned MgO powder, magnesite powder and alpha-Al2O3 powder as raw materials through compression molding and calcination. The preparation method comprises the following steps: mixing the copper slag flotation tailing powder, the light-burned MgO powder, the magnesite powder and the alpha-Al2O3 powder in a mixer to obtain mixed powder; adding a binding agent solution into the mixed powder, and performing mechanical pressing to obtain a green body; and heating the formed green body to 950-1150 DEG C, preserving heat for 4-6 hours, finally heating to 1480-1580 DEG C, preserving heat for 4-6 hours, cooling, crushing, and screening to obtain the multi-component magnesium refractory aggregate. According to the method, the copper slag flotation tailing powder is used as the raw material, resource utilization of the copper slag flotation tailings is achieved, and the obtained multi-component magnesium refractory aggregate is suitable for a cement rotary kiln.

The invention relates to the technical field of hydrometallurgy, and provides a method for separating and enriching iron and zinc by activating and roasting copper slag, which comprises the following steps: activating and roasting a mixture containing copper slag, a reducing agent and a dissociation agent at 700-1000 DEG C to obtain roasted sand; mixing the roasted product with an acid solution to obtain ore pulp with the pH value of 2.5-4 and the mass concentration of 15-25%, and carrying out ball-milling leaching and solid-liquid separation on the ore pulp under the condition that the ball-to-material ratio is (3-6): 1 to obtain iron-containing filter residues and zinc-containing filtrate. According to the method, the zinc leaching rate is remarkably increased, efficient separation of iron and zinc is achieved, namely, high-value recovery of iron and full recovery of zinc are achieved at the same time, and the technical problems that in an existing copper slag recovery process, metal such as iron and zinc is difficult to separate, the process temperature is high, and energy consumption is high are effectively solved.

The invention relates to the field of building materials, and particularly discloses a high-ductility cement-based composition with wave-absorbing performance and a preparation method thereof, the high-ductility cement-based composition comprises the following raw materials: cement, sand, water, copper slag, a ferrite-copper slag compound, fly ash, mineral powder, an additive, modified carbon fiber loaded with mica powder-modified waste rubber powder composite filler, and PE fiber; the ferrite-copper slag compound is prepared by mixing iron-containing electroplating sludge and iron salt, adding water to form slurry, adding copper slag and calcium oxide into the slurry, performing high-temperature oxidation treatment in an air atmosphere, and crushing; the preparation method comprises the following steps: mixing the cement, the sand, the copper slag, the ferrite-copper slag compound, the fly ash and the mineral powder, adding the modified carbon fiber loaded with the mica powder-modified waste rubber powder composite filler and the PE fiber, and stirring to prepare a primary mixture; and mixing the admixture with water, adding the primary mixture, and stirring to obtain the concrete. The preparation method has the characteristic of preparing the cement-based material with high ductility and wave-absorbing property.

The utility model belongs to the technical field of nonferrous metallurgy, and particularly relates to a slag salvaging device special for a tellurium and copper removal pot, which comprises a digging spoon and a telescopic rod, the digging spoon is fixedly connected with the telescopic rod, the digging spoon comprises a spoon head and a spoon handle, one side of the spoon head is fixedly connected with the spoon handle, one side of the spoon head, opposite to the spoon handle, is provided with digging teeth, and the telescopic rod is fixedly connected with the digging teeth. A bushing structure is arranged at the bottom of the spoon head and comprises a first bushing and a second bushing, the second bushing is horizontally arranged, an obtuse angle is formed between the first bushing and the second bushing, the digging teeth are correspondingly arranged above the first bushing, a worker pulls tellurium slag and copper slag in a boiler through the digging teeth, and the tellurium slag and the copper slag are gathered and then fished out. The first leakage plate and the second leakage plate which are arranged at the bottom of the spoon head are used for filtering tellurium slag and copper slag liquid, the first leakage plate is fixed through screws, the second leakage plate is fixed in an inserted connection mode, replacement is convenient, and the first telescopic rod and the second telescopic rod are fixed through the fixing assembly in a threaded connection mode.

The invention discloses a method and a system for intelligently judging an end point of a slagging period of a converter based on computer vision, and the method comprises the following steps: collecting image data of a historical copper slag sample, preprocessing, and establishing a data set; constructing an intelligent prediction model, and training the intelligent prediction model by taking the data set as input to obtain a slagging end point intelligent prediction model; and inputting the image data of the copper slag sample collected in real time into the intelligent slagging end point prediction model for prediction to obtain a prediction result, and performing logic post-processing on the obtained prediction result to obtain the end point value of the converter in the slagging period. According to the intelligent judgment method for the end point of the slagging period of the converter, sampling-intelligent identification-display automation is realized, the labor cost is greatly reduced, and the production safety is improved; the prediction recall rate and accuracy of the slagging end point reach the level of copper smelting experts; the algorithm and the model are simple and the operation speed is fast.

Aiming at the problem of low resource utilization value of the existing copper slag, the invention discloses a method for resourceful treatment of the copper slag, through a pyrogenic process and wet process mineral separation coupling method of high-temperature reduction, selective corrosion, magnetic-gravity combined separation and selective leaching, the transformation form and trend of key elements are accurately regulated and controlled, and the utilization rate of the copper slag is improved. The purposes of extracting lead, zinc, iron, copper and silicon elements in the copper slag step by step and converting the elements into corresponding high-value products are achieved. In addition, through process optimization and improvement, a low-temperature reaction system and a reagent cyclic regeneration mechanism are adopted, energy and chemical consumption is effectively reduced, generation of secondary hazardous waste is basically eradicated, and a new solution path is provided for green, high-value and efficient utilization of metallurgical solid waste.

The invention discloses a method for efficiently extracting iron from copper slag through non-molten hydrogen reduction, and belongs to the technical field of green resource utilization of metallurgical solid waste. Hydrogen is introduced to carry out reduction roasting on copper slag pellets, and a reduction auxiliary is added in a matched mode to dissociate fayalite in the copper slag; the purposes of strengthening the hydrogen reduction effect and improving the metal iron reduction rate are achieved, magnetite, fayalite and iron elements in other iron-containing silicate phases in the copper slag are reduced into metal iron, meanwhile, reduction products are treated through ore grinding and magnetic separation, and the iron ore concentrate grade is effectively improved. The method has the characteristics of simple reduction process and low carbon emission, and has high economic benefits.

The invention discloses a tellurium copper slag comprehensive treatment technology and a multi-element collaborative recovery method, and relates to the technical field of non-ferrous metal metallurgy and solid waste recycling, and the tellurium copper slag comprehensive treatment technology comprises the following steps: pretreatment and arsenic volatilization removal, selective acid leaching copper extraction, tellurium enrichment through alkaline oxidation, tellurium reduction and arsenic recycling. According to the method, by combining the advantages of a wet process and a pyrogenic process, the defects that in the prior art, arsenic cannot be effectively recycled in the tellurium-copper slag treatment process and the process is complex are overcome, efficient copper and tellurium separation is achieved through coordinated regulation and control of an acid / alkali medium and an oxidizing agent, arsenic is recycled in an industrial raw material form, and the limitation that only tellurium and copper are concerned in a traditional process is broken through.

The present invention provides a treatment process for efficiently recovering indium from alkali slag, specifically comprising: S1, grinding and screening the alkali slag, and washing it with water to obtain a pretreated alkali slag; S2, placing the pretreated alkali slag into a reaction tank, adding an acid solution, and heating the reaction to obtain an acid leaching solution I; S3, adding the acid leaching solution to hydrogen peroxide for stirring and reacting, stopping the stirring, and allowing it to stand to obtain an acid leaching solution II; S4, adding water to the acid leaching solution II, followed by adding polyacrylamide for dispersion, filter pressing, and reducing with iron powder to obtain high-copper slag and acid leaching solution III; S5, purifying the acid leaching solution III through a reverse osmosis membrane and reducing it with zinc flakes to obtain sponge indium; S6, smelting the sponge indium to cast an indium ingot to obtain crude indium, and electrolytically refining the crude indium to obtain refined indium. The treatment process of the present invention achieves one-time recovery of indium, with a direct recovery rate of indium as high as 95% and a purity of 99.995%. At the same time, the direct recovery rate of copper reaches up to 85%, while all lead remains in the slag mud, achieving the separation of indium from other valuable metals, increasing economic benefits, and having good application prospects.

The application provides a method for promoting selective reduction of Fe3O4 in copper slag by carbon-containing anode through electrochemistry, which comprises the following steps: weighing a certain amount of dry and finely ground copper slag and placing the copper slag in a crucible, transferring the crucible with the copper slag into a leaner electric furnace, and heating the copper slag to a specific reaction temperature at a speed of 10 DEG C / min to obtain molten copper slag; then inserting a pretreated graphite anode and an inert high-melting point metal cathode, and inputting a certain voltage to perform electrochemical regulation; after power-off, the sample is placed for a period of time, and the sample is cooled to room temperature with the furnace; and the obtained sample has copper matte in the lower layer and molten slag tailings in the upper layer. The application uses a carbon-containing anode to replace coal powder in combination with electrochemical regulation, which can not only make the carbon-containing anode penetrate into the interior of the copper slag and increase the reducible depth of the molten slag, but also ensure the continuous work of the carbon-containing anode by the intervention of the electrochemical method, thereby solving the problem of low utilization rate of coal powder in the reduction of copper slag in industry.

The utility model provides an anti-backflow device for an etching line pipeline, which relates to the technical field of PCB (printed circuit board) processing, is used for being mounted on a parallel pipeline and comprises an external pipe body, one end of the external pipe body is a water inlet end, and the other end of the external pipe body is a water outlet end. And the water inlet end and the water outlet end are detachably connected with the parallel pipeline at the same time, that is, when more foreign matters such as copper slag are retained in the parallel pipeline, the whole parallel pipeline does not need to be dismantled, and only the external pipe body needs to be dismantled from the parallel pipeline, so that the defect that time and labor are wasted when the whole pipeline is dismantled is overcome, and daily maintenance is simplified. The filtering assembly is arranged in the external pipe body, the liquid medicine discharging opening is formed in the external pipe body, liquid medicine can be discharged outwards through the liquid medicine discharging opening after being filtered by the filtering assembly, and the backflow phenomenon of the liquid medicine is avoided.

The invention belongs to the technical field of industrial solid waste recycling and filling materials, and particularly discloses a method for improving pozzolanic activity of water-quenched copper slag through synergistic modification of magnetic separation iron removal, which comprises the following steps: adding CaO into molten copper slag discharged in a copper smelting process, uniformly mixing, reacting in an oxygen-containing atmosphere, and then carrying out water quenching and quenching to obtain the pozzolanic activity of the water-quenched copper slag. Modified copper slag particles are obtained; the modified copper slag particles are subjected to wet grinding and drying, and modified copper slag powder is obtained; and the modified copper slag powder is subjected to magnetic separation, and magnetic iron ore concentrate and non-magnetic tailings are obtained. The prepared non-magnetic tailings replace part of cement to prepare the auxiliary cementing material with high pozzolanic activity. Through the synergistic effect of CaO modification and a magnetic separation iron removal process, the pozzolanic activity of the water-quenched copper slag is remarkably improved. The method is simple and convenient in process, the high value-added application way of the water-quenched copper slag is effectively widened, the resource utilization rate is increased, and the method has important significance on promoting comprehensive utilization of solid waste and environmental protection.

The utility model discloses a structure for preventing an electrolytic copper foil dissolving tank from being blocked. The structure comprises a base, the vertical grating is assembled on the base and is used for supporting and placing a copper wire; the plurality of through cavities are formed in the base, and the plurality of through cavities are communicated with one another; and the plurality of spraying openings are formed in the base, the plurality of spraying openings are respectively communicated with the plurality of through cavities, and the spraying openings are used for spraying electrolyte on the copper wires placed on the vertical grid. According to the structure for preventing the electrolytic copper foil copper dissolving tank from being blocked, the situation that liquid leakage and ventilation cannot be achieved due to blockage above meshes of a titanium mesh in the copper dissolving tank can be avoided, it can be guaranteed that oxygen fully makes contact with a copper wire from bottom to top and sprayed electrolyte fully makes contact with the copper wire from top to bottom, the situation that the copper wire and copper slag are blocked is effectively prevented, and the service life of the copper dissolving tank is prolonged. Therefore, the liquid supply stability of the system is improved, and the copper dissolving efficiency, the process qualification rate and the product quality are improved.

The invention provides a process for comprehensively recovering copper, cadmium and cobalt from zinc smelting purification slag, the process for comprehensively recovering copper, cadmium and cobalt from zinc smelting purification slag comprises the steps of pretreatment, copper extraction, cobalt extraction and cadmium replacement, efficient separation and recovery of copper, cadmium and cobalt in the purification slag are achieved, and the metal recovery rate is larger than or equal to 95%; high-grade copper slag (Cu > = 80%), cobalt slag (Co > = 30%) and cadmium slag (Cd > = 90%) are produced and can be directly sold as smelting raw materials; the method is simple in process, conventional in reagent, mild in operation condition and suitable for industrial application; and waste liquid can be recycled, environmental pollution is reduced, and the green metallurgy concept is met.

The invention relates to the technical field of non-ferrous metal smelting, in particular to a method for predicting the iron content in copper flash smelting copper slag on line and model construction, starting from the actual incidence relation of copper slag and production input, model training-verification-testing is carried out through input data and output data of historical copper slag production, and the iron content in the copper flash smelting copper slag is predicted. And the input data of the copper flash smelting copper slag in a certain time period are obtained in real time and serve as model input to be substituted into the prediction model for on-line operation, the predicted value of the iron content in the copper slag discharged at the corresponding time point is obtained in real time, the problem that input data and output data of the prediction model constructed in the prior art are not matched is solved, and the prediction accuracy is improved. And online accurate prediction of the iron content in the copper flash smelting copper slag is realized.

This invention discloses a method and apparatus for extracting copper, manganese, and cobalt from copper-containing materials. The method includes: sulfuric acid reduction leaching; iron removal from the leaching solution; copper extraction from the iron-removed solution; electrowinning of the copper solution obtained after organic reverse extraction to obtain electrowinning copper; open-circuiting the leaching residue for manganese and cobalt separation to obtain manganese slag and cobalt products that can be used as manganese products; and returning the cobalt precipitate and copper slag produced during the separation process to the sulfuric acid reduction leaching process. Using this invention for copper, manganese, and cobalt extraction avoids the introduction of impurities, achieves good separation results, yields high-purity products, and high yields of each metal. It avoids the complex pretreatment processing steps for cobalt products, ensures stable operation of the copper extraction and electrowinning processes, and reduces extractant consumption and electrowinning energy consumption.

The utility model discloses a copper slag recycling and separating device, which belongs to the technical field of copper slag treatment and comprises an operation box, a feed hopper is fixedly mounted at the top of the operation box, a dust suction box is fixedly mounted on the outer surface of the operation box, and a first collecting box and a second collecting box are movably connected to the inner wall of the bottom of the operation box. After being treated by the first separation assembly, the second separation assembly and the third separation assembly, the copper slag is divided into three parts, namely fine materials, iron-free copper materials and iron-containing disintegrating slag, and the three parts are respectively collected into the dust collection box, the first collection box and the second collection box, so that graded collection and maximum utilization of resources are realized, the recovery rate of the resources is increased, and the environment is protected. And the environmental pollution is also reduced.

The invention discloses a method for producing cuprous oxide by utilizing low-grade purified copper slag in a zinc hydrometallurgy process, and belongs to the technical field of purified copper slag. The invention relates to a method for producing cuprous oxide by utilizing low-grade purified copper slag in a zinc hydrometallurgy process. The method mainly comprises the following steps: acid leaching and impurity removal; the pre-leached filter residues are mixed with dilute sulphuric acid, air is introduced to serve as an oxidizing agent for oxidation leaching, after leaching, the pH is adjusted to 4.0-5.0 through CaCO3, and copper-containing leaching liquid is obtained through filtering; adding dextrose monohydrate into the copper-containing leachate, and adjusting the pH value by using NaOH; according to the method, through the closed-loop process of acid presoaking impurity removal, air oxidation leaching, glucose reduction and cuprous oxide Cl <-> removal, conversion from harmless treatment to resource high-value utilization of the low-grade copper slag is achieved, air is used for replacing KMnO4, MnO2 and other chemical oxidants, the cost is reduced, no harmful by-product exists, the green metallurgy requirement is met, and the method is suitable for industrial production. The prepared cuprous oxide is directly used for removing Cl <-> from a supernatant in electrolytic zinc, and the double contradiction of copper slag dilution and high cost of a Cl <-> removing agent in the industry is solved.