236 results about "Copper ore" patented technology

The invention belongs to the technical field of mineral exploration, and particularly discloses a copper ore prospecting method based on three-dimensional geological modeling. The method comprises the following steps: acquiring geological data of a target area; after extreme values in the geological data are recognized and removed through a box plot, the geological data are mapped to an interval of [0, 1], and the geological data are divided into terrain data, stratum data and mineral resource data; adopting Kalman filtering to enable the data to form fusion data, and generating a thematic map comprising a geological map, a mineralization anomaly map and a topographic slope map; based on the data and the thematic map, constructing a three-dimensional geologic model by a finite element method, and performing mining path planning by adopting a specific path planning algorithm formula; exploring by the mining equipment according to the planned path, acquiring geological data, comparing the geological data with the predicted data, re-planning the path and continuing exploring if the path is blocked, the resource recovery is out of tolerance and new mineralization is abnormal, otherwise continuing exploring according to the planned path. The method has the advantages of being high in exploration efficiency and data precision, low in comprehensive cost and high in adaptability.

The invention belongs to the technical field of mineral resource exploration, and provides a multi-source remote sensing data and AI combined copper ore exploration method and system, and the method comprises the following steps: obtaining multi-source remote sensing data of a target region through a plurality of remote sensing devices; preprocessing the multi-source remote sensing data to obtain fusion data; the fusion data are analyzed through an AI algorithm, and mineralization alteration areas and geological structure information are obtained through recognition; performing overlay analysis on the mineralization alteration area and the known geochemical anomaly area, analyzing the spatial relationship between the mineralization area and the structure in combination with the geological structure information, and judging the favorable mineralization part of the copper ore to obtain an analysis result; performing field investigation on the potential copper ore area determined by the analysis result, collecting rock samples for laboratory analysis, and verifying the accuracy of the analysis result; according to the method, the multi-source remote sensing data and the AI technology are comprehensively utilized, the target area is rapidly analyzed, the potential copper ore area is positioned, the workload of blind exploration is reduced, and the exploration efficiency is improved.

The invention provides a multi-source geophysical prospecting data fused Zenzenite rock mass contact zone anomaly method and system, and relates to the technical field of geophysical prospecting, the method comprises the following steps: executing joint denoising processing and time-frequency feature enhancement processing on a TFEM data set in a three-dimensional fused data volume, and outputting the optimized three-dimensional fused data volume; and based on the optimized three-dimensional fusion data body, by establishing a mapping relationship between magnetic, electric and polarization anomalies and a geologic body, quantifying the correlation between a multi-parameter combination and a mineralization index and screening an up-to-standard abnormal region, and finally delineating a magnetic anomaly gradient zone, a low-resistance region and a high-polarization anomaly co-occurrence ore prospecting target region three-dimensional distribution diagram. Through multi-source geophysical prospecting method collaboration, data deep fusion, quality optimization and accurate mapping, full-chain technology upgrading from data acquisition to target area delineation is realized, and the high efficiency of mineral exploration is improved.

The invention discloses a method for evaluating the mineralization potential of porphyry copper-(gold-molybdenum) ore. The evaluation method comprises the following steps: determining candidate rock masses with relatively high mineralization potential according to an oxygen fugacity value of magma zircon and / or a magma water content value of hornblende in a rock sample in an evaluation area; the aluminum saturation index ASI of the candidate rock mass is measured and calculated, the distribution coefficient and the distribution coefficient ratio of Cu, Au and Mo between fluid and melt are determined according to the ASI, simulation calculation is conducted through a Rayleigh fractionation model according to the distribution coefficient and / or the distribution coefficient ratio, and the content ratio of Au to Cu to Mo to Cu of the candidate ore body is obtained. According to the method, the mineralization potential of the porphyry copper ore and the enrichment degree and grade of Cu, Au and Mo of potential ore bodies can be rapidly and accurately evaluated.

The invention discloses a multi-component nano inhibitor for flotation separation of high-argillaceous copper sulphide ore and application, the nano inhibitor is a nano calcium carbonate-calcium oxide-sodium humate coating body, the nano inhibitor is applied to flotation separation of the high-argillaceous copper sulphide ore, collaborative optimization of slime inhibition and copper ore selective collection is achieved, and the flotation separation efficiency of the high-argillaceous copper sulphide ore is improved. And high-quality copper sulfide concentrate and sulfur concentrate are obtained. According to the method, the high specific surface area and the surface activity of the nano particles are utilized, under the weak alkaline environment without desliming, through the simple, convenient, economical and efficient mineral processing technology and reagent combination, efficient recovery of copper, gold and sulfur in the high-argillaceous ore is achieved, the use amount of lime is greatly reduced, and the technical problem of tailing sedimentation is solved.

The invention provides a beneficiation method for high-sulfur copper ore containing mud and pyrrhotite, and belongs to the technical field of ore separation processes. According to the method, the mineral processing technology of copper rapid flotation, enhanced flotation, copper rough concentrate differential regrinding, step-by-step concentration, copper tail sulfur flotation and sulfur tail magnetic separation and a CD-ND + CD-SD combined inhibitor are adopted for synchronously inhibiting argillaceous gangue and pyrite, ethionine ester, isopropyl xanthate and ethionine xanthate collect copper minerals step by step, interference of the argillaceous gangue to the preferential copper flotation process is reduced, and the copper flotation efficiency is improved. The effective inhibition on sulfur is realized under the condition of relatively low pH. The copper and sulfur separation technical scheme combining low-alkali-acid-free flotation and magnetic flotation is constructed, interference of argillaceous gangue on the sulfide ore flotation process is reasonably and effectively controlled, the technological process is short and stable, the copper and sulfur separation index is excellent, the copper and sulfur ore separation recovery rate and grade index are improved, and the method is suitable for industrial production. The method effectively solves the problem of clean and efficient beneficiation and recovery of high-sulfur copper ore containing mud pyrrhotite, and provides a new effective method for clean and efficient recovery of similar copper and sulfur resources.

The invention discloses a lightweight copper ore sorting method based on dual-energy X-rays. The lightweight copper ore sorting method comprises the following steps that a dual-energy X-ray transmission graph of copper ore is collected; a CBAL2-Net model is constructed; an improved ResNet-50 model is constructed; taking the CBAL2-Net model as a student model, taking the improved ResNet-50 model as a teacher model, and designing a comprehensive knowledge distillation strategy to perform distillation operation on the student model and the teacher model to obtain a Res-CBAL2-Net model; the collected images are input into a Res-CBAL2-Net model, and the copper ore is sorted; according to the method, based on the constructed student model and the improved teacher model, a comprehensive strategy fusing multiple different distillation strategies is designed to conduct knowledge transfer on the model, the target model Res-CBAL2-Net is obtained, and compared with an existing mainstream model, the accuracy of copper ore separation is greatly improved.

The invention discloses a low-grade copper ore image sorting method based on deep learning. The low-grade copper ore image sorting method comprises the following steps that a dual-energy X-ray image of low-grade copper ore is obtained; constructing a time step embedded U-Net network, and inputting the dual-energy X-ray image of the low-grade copper ore into the time step embedded U-Net network to generate a diversified copper ore dual-energy X-ray image; constructing a self-adaptive copper ore sorting model; the diversified copper ore dual-energy X-ray images are input into a self-adaptive copper ore sorting model, and copper ore is sorted; according to the method, the separation process is optimized by fusing the dual-energy X-ray imaging technology and the data enhancement technology, compared with traditional single-energy imaging, the difference of copper minerals and waste rocks in an image feature space is enhanced, the recognition difficulty of a model on complex textures is reduced, the number of links of crushing and flotation of invalid ores can be reduced, and the separation efficiency is improved. The energy consumption and the use amount of chemical agents are obviously reduced.

The invention discloses a method for extracting copper fine powder by flotation of copper-containing ore, which belongs to the technical field of mineral processing, and comprises the following steps: after copper-containing raw ore is crushed, ground and classified by a cyclone, overflow enters flotation, and settled sand is returned for regrinding; sodium carbonate is added into graded overflow to adjust the pH, a sodium hexametaphosphate-polyacrylamide composite dispersant is added, and copper sulfate is added and stirred after low-temperature microwave heating; gradient flotation is conducted, specifically, copper sulfide is roughly selected, the pH is adjusted, an amino-sulfonic acid group synergistic modified layered double metal hydroxide / cobalt ferrite composite collecting agent is added, and rough concentrate 1 is obtained through high-frequency pulse air inflation flotation; copper oxide roughing is conducted, clear water is supplemented to adjust the pH, and a collecting agent is supplemented to obtain rough concentrate 2; scavenging is performed for three times, a collecting agent is added for flotation, and concentrate returns to the previous stage; the rough concentrates are combined, and magnetic impurities are removed through high-gradient magnetic separation to obtain magnetic concentrates; and carrying out microbiological leaching on tailings to recover copper. The composite collecting agent is prepared through layered double hydroxide carrier synthesis, amino modification, sulfonic acid group grafting and cobalt ferrite anchoring.

The invention discloses a copper ore preselection method based on a generative adversarial network and low-rank linear pooling. The copper ore preselection method comprises the following steps that a high-energy X-ray transmission image and a low-energy X-ray transmission image of copper ore are obtained; fusing the high-energy X-ray transmission image and the low-energy X-ray transmission image by adopting an improved generative adversarial network to obtain a dual-energy X-ray fusion image; constructing a copper ore pre-selection model; inputting the high-energy, low-energy and dual-energy X-ray fusion images of the copper ore into the model for feature extraction, fusing each extracted feature vector by adopting low-rank trilinear pooling, and then classifying to obtain a pre-selection result of the copper ore; according to the copper ore pre-selection model designed by the invention, through improving low-rank bilinear pooling and using a low-rank trilinear pooling feature fusion strategy, combined representation solution of three image features is realized, multi-modal data input requirements can be met, and the classification performance of copper ore target ore and waste rock is further improved.

Methods, compositions and systems are provided that improve recovery of copper from previously leached copper ores. A reset solution comprising a chelating agent and a reducing agent is provided to a heap of previously leached and passivated ore to improve copper recovery kinetics in subsequent leaching stages.

The invention belongs to the field of flotation, and particularly relates to a composite inhibitor for copper sulphide ore, an inhibition method, a copper-molybdenum separation method and a flotation reagent thereof.The composite inhibitor for the copper sulphide ore comprises a component A, a component B, a component C and a component D according to the weight ratio of (3-7): (1-2): (1-2): (1-3); wherein the component A is a compound shown in a formula 1 (1); the component B is a compound shown in a formula 2; the component C is konjac mannan; component D is a compound represented by formula 3. The research shows that the component A and the component D are innovatively combined, and flotation of the copper sulphide ore can be accidentally inhibited with high selectivity on the basis of combination and synergy of special groups between the component A and the component D.

The invention discloses a method for comprehensively recovering valuable metals in high-iron bonded copper oxide ore, and belongs to the technical field of resource recovery. According to the method, the high-iron bonded copper oxide ore is subjected to precise ore phase conversion, so that limonite in the high-iron bonded copper oxide ore is converted into magnetite. In the ore phase conversion process, pores and cracks are generated on the surface of the high-iron bonded copper oxide mineral, and grain boundary dislocation occurs between iron minerals and copper minerals, so that release of the bonded copper minerals is promoted; the ore phase conversion product is subjected to mechanical activation, selective enhanced leaching and solid-liquid separation, and iron-rich leaching residues and copper-rich leaching liquid are prepared; and the iron-rich leaching residues are further subjected to low-intensity magnetic separation, and efficient recovery of iron ore concentrate is easily achieved. According to the method, the iron ore concentrate and the copper-rich leachate are finally obtained, and efficient comprehensive recovery of iron and copper valuable metals in the high-iron combined copper oxide ore is achieved.

The invention discloses a copper ore classification method based on a lightweight sliding window converter. The method comprises the following steps: acquiring a dual-energy X-ray image of copper ore and constructing a data set; constructing a lightweight copper ore classification model, inputting the dual-energy X-ray image of the copper ore into the lightweight copper ore classification model, and classifying the copper ore; the method for constructing the lightweight copper ore classification model comprises the following steps: constructing an improved sliding window converter and a lightweight sliding window converter; taking the improved sliding window converter and the lightweight sliding window converter as a teacher model and a student model respectively; performing knowledge distillation on the teacher model and the student model to obtain a lightweight copper ore classification model; according to the method, a lightweight copper ore classification model is designed, and the parameter quantity of the model is reduced while the classification performance of the model is improved by combining comparative learning and knowledge distillation.

The invention relates to the technical field of copper oxide beneficiation, in particular to a surface altered copper oxide ore flotation composite regulator and application and recovery methods thereof. The composite regulator is composed of sodium pyrophosphite, PAC, sulfonated tannin, sodium lignin sulfonate and sodium fluosilicate; the weight ratio of the sodium pyrophosphite to the PAC to the sulfonated tannin to the sodium lignin sulfonate to the sodium fluosilicate is (5-10): (1-3): (5-10): (15-20): (5-10); under the action of targeting of a composite regulator and surface active points of alkaline earth metal minerals and aluminosilicate minerals, the slime is selectively dispersed, gangue minerals are inhibited, attachment of the slime to the surfaces of the copper minerals is eliminated, and interference of the slime to the action of the copper minerals and agents and flotation is reduced; the recovery method is stable and reliable, the copper recovery rate is high, the cost is low, the process is easy to control, and the technical problem that surface altered copper oxide ore beneficiation and recovery are difficult is solved.

The invention relates to a method for regulating and deacidifying in a bioleaching process of low-grade copper sulphide ore, aiming at the problem of excessive acid caused by excessive oxidation of pyrite in a dump leaching system, a thiocyanate bactericide is added into the bioleaching system of the low-grade copper sulphide ore, and the thiocyanate bactericide is dissolved in a spray liquid of the bioleaching system, and is added into the spray liquid of the bioleaching system; under the catalytic action of mineral leaching microorganisms, oxidation of ferrous ions is enhanced, so that the oxidation-reduction potential of a solution is increased, oxidation of pyrite is intensified, acid accumulation is excessive, the thiocyanate bactericide can remarkably inhibit the activity of part of sulfur-oxidizing bacteria and even kill part of sulfur-oxidizing bacteria, and therefore the activity of ferrous oxide is reduced; compared with the prior art, the method has the advantages that the sulfur oxidation activity of microorganisms is greatly influenced, but the oxidation influence on iron is relatively small, so that the acid leaching is reduced under the condition that the copper leaching of the copper sulfide ore is not influenced, the copper leaching is not influenced, the acid leaching is reduced, the production cost is reduced, the environmental influence is reduced, and the like.

The invention provides a sulfur-substituted carbon low-carbon smelting method for multi-source complex copper ore, and belongs to the technical field of metallurgy, the method comprises the following steps: aiming at a multi-source copper concentrate phase to be fed into a furnace, constructing a batching model taking the Cu element content as a target function and the S-free phase content as a constraint condition, and calculating the components and content of the fed phase through a multi-target algorithm; performing material balance and heat balance prediction by using an XGBoost prediction model according to the in-furnace phase components and content; and a heat balance result is analyzed and fed back in real time, the real-time feedback operation is dynamically adjusted, and the low-carbon smelting optimal batching scheme with thiocarbon is obtained. According to the method, machine learning, an intelligent algorithm and a batching scheme are combined, the smelting process is simulated, carbonaceous fuel combustion is accurately mastered, the carbon emission is controlled, and compared with a traditional technology, the carbon emission is reduced.

A system for dynamic oxidation of a heap of copper ore includes a “process island” for formulating and dispensing oxidizing reactive mixtures having predetermined compositions, and irrigating the heap with the mixtures to progressively transform the ore and maintain conditions for enhanced recovery of metal by heap leaching, solvent-extraction and electrowinning. In embodiments, the system is adapted to obtain copper metal from the refractory copper mineral chalcopyrite.

The present invention discloses a step-by-step enhanced recovery method for recovering multiple complex copper ores. The method includes grinding the sample to an appropriate particle size, then directly flotating copper sulfide using amyl xanthate. The tailings from the flotation of the copper sulfide are then deslimed. After desliming, the tailings are activated with sodium sulfide and free copper oxide is flotated using amyl xanthate and butyl ammonium black powder as collectors. Ethylenediamine phosphate is then used for enhanced activation, followed by the addition of sodium sulfide and amyl xanthate and butyl ammonium black powder as collectors to flotate bound copper oxide. Finally, high-gradient strong magnetic separation is used to recover weakly magnetically bound copper oxide that is difficult to float and contains adsorbed or fine particles of iron, manganese, cobalt, and other minerals. The method achieves a total copper recovery rate exceeding 85%, which is more than ten percentage points higher than the global average recovery rate for copper oxide ores. This method effectively addresses the current technical problem of low recovery rates for copper oxide ores using a single process.

The application discloses a layered silicate gangue inhibitor for fine-grained copper ore flotation and a preparation method thereof. The inhibitor is composed of the following components: modified polysaccharide organic polymer 15-30%, sodium hexametaphosphate 10-30%, acrylic acid 7-15%, acrylamide 1-5%, ammonium persulfate 2-5%, hydroxyethylidene diphosphonic acid 5-15%, aluminum sulfate 2-5%, and deionized water in a residual amount. The preparation method comprises the following steps: mixing modified polysaccharide and deionized water according to a mass ratio of 1:1-1:2 to prepare solution A; polymerizing acrylic acid and acrylamide to prepare solution B; mixing solution A and solution B, and adding a formula amount of sodium hexametaphosphate to react; then adding a formula amount of hydroxyethylidene diphosphonic acid and a formula amount of aluminum sulfate to carry out complex adjustment; and finally, aging, filtering and obtaining the product. The inhibitor has a strong selective inhibiting effect on talc, phlogopite and other layered silicate gangues, can significantly improve the copper concentrate grade and recovery rate, has a small dosage, is non-toxic and environment-friendly, and can be biodegraded.

The invention discloses a copper ore / waste ore classification method and system based on a multi-energy-spectrum image. The method comprises the steps of obtaining multi-energy-spectrum image data information of existing copper ore and waste ore and preprocessing the multi-energy-spectrum image data information to obtain a training data set; based on the convolution, the residual error and the attention scheme, constructing a copper ore / waste ore classification primary model based on the multi-energy-spectrum image, and training to obtain a copper ore / waste ore classification model based on the multi-energy-spectrum image; and adopting the obtained copper ore / waste ore classification model based on the multi-energy spectrum image to carry out actual copper ore / waste ore classification identification. According to the method, a training data set is constructed for the multi-energy-spectrum image of the copper ore / waste ore, a classification model including a convolution scheme, a residual scheme and an attention scheme is designed, and the trained classification model is adopted to perform classification of the copper ore / waste ore based on the multi-energy-spectrum image; therefore, the copper ore / waste ore can be classified, the reliability is high, and the accuracy is good.

The application discloses a beneficiation method for flotation of copper nickel sulfide ore at different pH values, and relates to the technical field of metal beneficiation, and comprises steps of section grinding and flotation, etc. Different pH values are adopted for stage flotation of the nickel copper sulfide ore, weak alkaline flotation is adopted for the first stage flotation, and easy-floating nickel copper minerals are recovered; the Isa mill is adopted for fine grinding in the second stage, so that fine-grained useful minerals are dissociated, high-concentration weak acid flotation is adopted for the flotation, and difficult-to-select nickel copper minerals are recovered, and the acid-resistant collecting agent and the foaming agent are added, so that the copper nickel recovery rate index is effectively improved.

The invention discloses a copper-molybdenum bulk concentrate flotation separation combined inhibitor and application thereof, and belongs to the technical field of mineral flotation separation. The combined inhibitor is formed by mixing isomaltose and sodium hexametaphosphate. The method for using the combined inhibitor for flotation separation of the copper-molybdenum bulk concentrate specifically comprises the steps that the copper-molybdenum bulk concentrate is subjected to scrubbing, reagent removal and pulping; a combined inhibitor, a collecting agent and a foaming agent are sequentially added into the ore pulp, primary roughing is conducted, and roughing concentrate and roughing tailings are obtained; the roughing concentrate is subjected to three times of concentration, a combined inhibitor is supplemented in each time of concentration, and copper concentrate is obtained; and the roughing tailings are subjected to two times of scavenging, the collecting agent is supplemented in each time of scavenging, and molybdenum concentrate is obtained. According to the method, the floatability difference of the copper ore and the molybdenum ore is enlarged by inhibiting molybdenum and floating copper, the use of high-toxicity agents can be reduced, meanwhile, copper can be efficiently recycled, the grade of molybdenum concentrate can be guaranteed, and good environmental compatibility and industrial application prospects are achieved.

The present application relates to the technical field of mineral flotation reagent, in particular to a chalcopyrite flotation composite collector and application thereof; the chalcopyrite flotation composite collector is prepared by mixing a first collector and a second collector at a mass ratio of 5-7:1.0-1.5; the prepared first collector is applied to the field of chalcopyrite flotation, and has good flotation performance and higher selectivity, and significantly improves the recovery rate of chalcopyrite flotation; the obtained second collector contains multiple sulfur-containing and oxygen-containing functional groups in the molecule, has good collecting ability and selectivity for chalcopyrite, and can significantly improve the flotation recovery rate of chalcopyrite; in addition, the mutual cooperation between the first collector and the second collector can further improve the recovery rate and grade of chalcopyrite; under the condition of adding a small amount of lime, a copper concentrate with high copper grade is obtained, the pH value of tailing backwater is also greatly reduced, the alkalinity standard requirement of direct discharge of backwater is met, and the sustainable development of the environment is beneficial.

The application discloses a composite foaming agent for copper sulfide ore flotation and a preparation method thereof. The composite foaming agent is composed of the following components in mass fractions: high-carbon-chain polyhydric alcohol 20-35 parts, polyoxyethylene ether 15-25 parts, ester 105 10-20 parts, and isopropyl alcohol or sec-butyl alcohol 15-35 parts. The preparation method comprises the following steps: adding the high-carbon-chain polyhydric alcohol and the polyoxyethylene ether into a reaction kettle, stirring and mixing at 60-70 DEG C; slowly adding the ester 105, continuously stirring for 30-60 minutes, and keeping the reaction temperature at 70 DEG C; after cooling to room temperature, adding the isopropyl alcohol or sec-butyl alcohol, uniformly stirring, and filtering to obtain the composite foaming agent. The composite foaming agent has strong dispersibility, low viscosity, controllable foam performance, can act on gangue minerals such as talc and phlogopite, form a flexible adsorption layer, and improve the hydration of the gangue surface. The foaming agent realizes high-selectivity flotation effect, significantly improves the grade and recovery rate of copper concentrate, and has a significant effect on difficult-to-select fine-grained copper ore.

The invention discloses a method for comprehensively utilizing open-air copper-gold mine resources, which comprises the following steps of: crushing copper sulfide ore, grinding the crushed copper sulfide ore to a certain fineness, and respectively obtaining copper sulfide concentrate and pyrite concentrate by adopting a flotation process of copper-sulfur bulk flotation and reseparation; the method comprises the following steps: firstly, carrying out bacterial oxidation and leaching on the pyrite, and carrying out solid-liquid separation to respectively obtain the pyrite and a gold-containing leachate; and preparing sulfuric acid from the pyrite by adopting an oxidation method, and leaching the copper oxide ore in the waste rock heap by using the sulfuric acid so as to recover copper. The flotation, bacterial oxidation leaching and sulfuric acid leaching processes are adopted, waste is turned into wealth, and the recovery rate of copper and gold is comprehensively increased. The technology is green and environmentally friendly, the process is stable, and comprehensive utilization of copper and gold mine resources is achieved. According to the method, copper sulfide and pyrite are recycled from the flotation process of copper sulfide ore, gold is recycled from pyrite, sulfuric acid is prepared, copper oxide in a waste rock pile is leached through the prepared sulfuric acid so as to recycle copper, and the metal recovery rate of copper and gold is increased through resource cyclic utilization.

The application discloses a kind of sulphur oxygen mixed type copper ore grading magnetic-flotation combined beneficiation method, including grinding screening, magnetic separation, grading, copper sulphide flotation, copper oxide roughing, copper oxide strengthening scavenging.The application is by using strong magnetic separation recovery part coarse grain copper oxide in mill grading system, reduce the overgrinding of copper oxide mineral in the process of grinding, realize the ability to collect early collection, improve copper oxide comprehensive recovery rate, while reducing the release of copper ions in the process of grinding, reduce the adverse effect on subsequent copper sulphide flotation.By using sodium sulphide and sodium pyrosulphite to form efficient copper oxide sulphidizing agent, the stability of the film in the sulphidation process is strengthened, and the inhibition of pyrite is also strengthened, improving the separation efficiency of copper oxide flotation.In addition, by using efficient reagents and precise control, the copper oxide concentrate is directly obtained by opening the circuit of copper oxide roughing and strengthening scavenging concentrate, reducing the copper metal loss caused by closed loop circulation.

The application provides a high-efficiency foaming agent suitable for argillaceous porphyry copper ore in high-cold regions and a preparation method and application thereof. The high-efficiency foaming agent suitable for argillaceous porphyry copper ore in high-cold regions is composed of mixed alcohols, pine oil, sulfur-nitrogen esters, diesel oil, xanthate and a surfactant. The high-efficiency foaming agent suitable for argillaceous porphyry copper ore in high-cold regions is simple in preparation method, does not produce intermediate products, has low irritation, is friendly to the environment, has low dosage of the medicament compared with traditional single foaming agent, has stable foam properties, and can also assist in collecting some chalcopyrite, molybdenite and other sulfide ores. Within the range of the component allocation, the foaming agent can fully exert the synergistic effect of each component. In a high-altitude environment (altitude >= 3500m), the foaming capacity and foaming rate of the foaming agent are obviously superior to those of traditional foaming agents.

The application discloses a copper sulfide ore inhibitor and an application method thereof, and belongs to the technical field of mineral processing. The copper sulfide ore inhibitor is prepared by the following steps: taking gum tragacanth and hydrogen peroxide by mass percentage, stirring and dissolving, and treating by ultrasonic waves at room temperature for a certain time to obtain the copper sulfide ore inhibitor. The inhibitor is high in selectivity, low in dosage, environment-friendly, non-toxic, easy to degrade, and wide in source, and has good copper-inhibiting and molybdenum-floating effects.

The invention relates to the technical field of beneficiation collecting agents, and discloses a flotation collecting agent for refractory copper oxide ore and a preparation method of the flotation collecting agent. The flotation collecting agent comprises, by mass, 59.3% of a chelating main agent, 19.76% of dimethyl phthalate, 15.81% of a pH response type segmented copolymer, 3.95% of 0 # light diesel oil, 0.24% of a quantum dot additive, 0.4% of shell source polypeptide, 0.08% of a magnetic recycling agent, 1.19% of an emulsion stabilizer, 0.04% of a calcium ion activating agent, 0.4% of tetrabutylammonium bromide and 23.73% of deionized water. Wherein the total mass percentage of other components except the deionized water is 100%, and the deionized water is independently added into the solid formula as a solvent to form the flotation collecting agent for the refractory copper oxide ore. According to the flotation collecting agent for the refractory copper oxide ore and the preparation method of the flotation collecting agent, through the design of multi-active-group collaboration, an intelligent carrier and the like, the flotation efficiency and selectivity of the refractory copper oxide ore are improved, prevulcanization is not needed, agent recovery and environmental protection are achieved, and a new scheme is provided for complex ore development.