109 results about "Copper ore" patented technology

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.

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 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-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 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 belongs to the technical field of flotation reagents, and discloses a use method for activating minerals by utilizing ion waste liquid generated by preparing alkyl thiophosphate. The method comprises the following steps: removing or reducing impurities in the waste liquid to obtain purified waste liquid which can be used as an activating agent; and then, in the flotation operation, ore to be treated is crushed, ground and pulped, an inhibitor, the activating agent, a collecting agent and a foaming agent are sequentially added, and target concentrate is obtained after stirring, air inflation and flotation. The activation potential of the alkyl thiophosphate waste liquid on minerals is found for the first time, industrial wastewater is converted into the efficient flotation activating agent, and a traditional activating agent can be replaced and strengthened. According to the method, the pollution problem of the alkyl thiophosphate waste liquid is solved, the flotation reagent cost is reduced, meanwhile, the concentrate grade and the recovery rate of valuable minerals such as zinc ore, gold ore, copper ore and pyrite can be improved, the requirement for green mine construction is met, and a new path is provided for efficient separation of low-grade ore.

This invention discloses a method for the tiered extraction of copper anode slime from co-smelting copper anodes, belonging to the fields of resource comprehensive utilization and non-ferrous metal metallurgy. The method is used to treat copper anode slime produced after co-smelting waste circuit board pyrolysis residue and copper sulfide ore, followed by blowing and electrolytic refining. The method includes: sulfidation leaching of the copper anode slime to preferentially allow tellurium to enter the leachate; reduction precipitation of the tellurium-containing leachate to recover tellurium products; atmospheric pressure mixed acid leaching of the sulfidation leaching residue to preferentially allow copper and selenium to enter the leachate, yielding a copper-selenium-containing leachate and a precious metal-enriched slag; chlorination leaching of the precious metal-enriched slag to allow gold to enter the chlorinated leachate and separate from silver; and SO2 reduction precipitation and extraction separation of the copper-selenium-containing leachate to sequentially recover selenium and copper. This method can achieve tiered separation and efficient recovery of Te, Se, Au, Ag, and Cu from novel copper anode slime produced by co-smelting, and has the advantages of a clear process, good selectivity, and suitability for closed-loop operation.

This invention relates to the field of solid waste identification technology, specifically a method and system for identifying copper ore mixed with used electrical wires based on XRF and infrared detection. The invention first performs X-ray diffraction detection on imported copper ore. After detecting elemental copper, it then performs ultra-depth-of-field microscopy detection. After confirming the presence of elemental copper again through ultra-depth-of-field microscopy, it performs micro-infrared detection to detect the presence of plastic components. That is, the order of each detection method is set according to its characteristics, thus improving the efficiency of identifying used electrical wires in imported copper ore.

The invention discloses a beneficiation-metallurgy combined process method for treating low-grade high-oxidation-rate copper ore. The beneficiation-metallurgy combined process method comprises the steps that the crushed low-grade high-oxidation-rate copper ore is divided into a part A, a part B and a part C according to the particle size; the part A is subjected to color sorting, and color-sorted concentrate is obtained; carrying out ore grinding and copper sulphide flotation on the color separation concentrate to obtain copper sulphide concentrate and sulfur separation tailings; and the copper sulfide concentrate, the sulfur separation tailings and the part C of ore are further treated to obtain copper-rich leachate. According to the method, coarse particles are partially and coarsely enriched through the color selector, the selection grade of the low-grade copper oxide ore is improved, a large amount of ore grinding loss is omitted, the situation that due to the low grade of raw ore, produced metal is less is avoided, and meanwhile the ore grinding and beneficiation cost is reduced; the beneficiation and smelting process can be flexibly selected according to the selectability of copper oxide in the ore and the content of acid-consuming gangue, acid consumption is reduced, and beneficiation and smelting economic benefits are improved.

The invention discloses a segmented intensified leaching arsenic removal method for high-arsenic copper ore, and belongs to the technical field of mineral processing engineering. The method comprises the following steps: mixing crushed high-arsenic copper ore with additives, namely limestone and sodium hydroxide, and carrying out activation pretreatment through microwave cracking and quenching; a mixed solution of sodium sulfide and sodium hydroxide is adopted as a leaching agent for the pretreated mineral aggregate, and a first-stage ore grinding-leaching process, a second-stage ore grinding process, a synergistic enhanced oxidation process and a second-stage ore grinding-leaching process are sequentially carried out; and the first-stage leachate is returned to the first-stage ore grinding, the second-stage leachate is returned to the second-stage ore grinding, and finally the arsenic-removed high-copper slag is obtained. According to the method, the arsenic mineral structure is effectively destroyed through microwave pretreatment, efficient and selective removal of arsenic and cyclic utilization of the leaching agent are achieved in combination with the segmented enhanced leaching process, and the method has the advantages of being short in process, small in pollution and high in recovery rate.

The present application belongs to the field of mineral resource processing, and particularly relates to a method for selectively decarburizing high-carbon copper sulfide ore and flotation, wherein the step of decarburization is: controlling the potential of the ore pulp containing high-carbon copper sulfide ore to be -90~‑110 mV, and then performing decarburization flotation to obtain decarburized copper sulfide ore. The present application innovatively uses the potential control method for the selective separation of carbon and copper sulfide, and cooperates with the control of the potential, so as to adapt to the mineral characteristics of high-carbon copper sulfide ore, and realize the selective separation of carbon and copper sulfide.

The application discloses an integrated production process from copper ore to electrolytic copper foil, which uses copper ore as a direct raw material, and realizes continuous manufacturing of copper ore to high-end electrolytic copper foil through crushing, coupling leaching of electrolysis backflow and crystallization mother liquor, iron powder replacement and impurity removal, solvent extraction enrichment, cooling crystallization, multi-stage electrolyte purification, electrolytic foil production and full-liquid flow closed loop circulation. The application omits high-energy-consumption intermediate links in the traditional process, such as cathode copper preparation, casting, upward continuous casting and copper wire copper dissolving, 100% of the crystallization mother liquor is returned to the leaching process, and the electrolytic foil backflow is purified and then circulated, the copper element recovery rate is greater than or equal to 99%, the electrolyte recycling rate is greater than or equal to 98%, the comprehensive production cost is reduced by more than 25%, and no production wastewater is discharged. The process can stably prepare 6-18 mu lithium battery copper foil and high-frequency high-speed copper foil, has the comprehensive advantages of high efficiency, low consumption, greenness, stability and high-end, and is suitable for large-scale industrial production.

The invention relates to a step flotation desiliconization and decalcification method for silicon-calcium copper oxide ore, and belongs to the technical field of mineral processing. Aiming at the problems that the silicon-calcium copper oxide ore is low in copper grade, multiple in gangue variety and high in silicon-calcium mineral content, and an existing inhibitor is large in dosage, poor in selectivity, poor in inhibition effect and the like, the method comprises the steps that a targeted inhibitor A is used for preferentially and selectively inhibiting siliceous gangue in ore, and a copper ore pre-enriched product containing the calcium gangue is obtained; and then a targeted inhibitor B is added to deeply and accurately inhibit calcium gangue in the pre-enriched product, and high-grade copper concentrate is obtained. According to the method, most siliceous gangue and part of calcareous gangue in the ore can be removed through desilicication operation, and the ore handling capacity of the follow-up process is greatly reduced; and enrichment is conducted again through decalcification operation, and accurate separation of copper minerals and calcium gangue can be achieved. Based on step-by-step targeted inhibition of different types of gangue, the impurity content of the copper concentrate can be remarkably reduced, and the technical problem that synchronous and efficient inhibition of the silicon-calcium gangue is difficult is solved.

The invention discloses a metal organic framework (MOFs)-based glaze, a ceramic product and a preparation method of the ceramic product, and belongs to the technical field of ceramic materials. The provided metal organic framework-based glaze comprises a metal organic framework material and a basic glaze, and the basic glaze comprises the following components: white feldspar, quartz, calcite, wollastonite, copper ore, talc, bovine bone and tin oxide. According to the metal organic framework-based glaze disclosed by the invention, the MOFs are used as a core function regulation and control unit and matched with the white feldspar, the quartz, the calcite, the wollastonite, the copper ore, the tin oxide, the talc and the bovine bone to form a mineral composite system with a specific weight percentage; an integrated technical system of function regulation and control, structure forming and performance optimization is constructed through a stepped preparation process of precise raw material proportioning, high-energy ball milling pulping, multi-dimensional uniform glazing and controlled atmosphere glaze firing; the problems that a current ceramic glaze system is single in component regulation dimension, uncontrollable in transmutation effect, weak in glaze blank interface bonding and the like can be solved.

The invention discloses anionic polyacrylamide for accelerating particle sedimentation of copper ore pulp. The anionic polyacrylamide is prepared from the following components in parts by weight: 110 to 120 parts of acrylamide, 15 to 20 parts of acrylic acid, 5 to 6 parts of urea, 0.001 to 0.005 part of sodium formate, 0.001 to 0.003 part of EDTA-2Na (Ethylene Diamine Tetraacetic Acid), 0.01 to 0.03 part of ammonium persulfate, 0.01 to 0.025 part of sodium hydrogen sulfite and 360 to 370 parts of deionized water. The invention also provides a preparation method of the anionic polyacrylamide. The anionic polyacrylamide disclosed by the invention can accurately adapt to the characteristics of the copper ore pulp, efficiently accelerate particle sedimentation of the copper ore pulp, and can form a stable and compact flocculating agent.

The invention discloses a time-space staged synergistic leaching process for treating copper oxide and copper sulfide symbiotic copper ore, which comprises the following steps: S1, pretreatment stage: raw material receiving and preliminary screening, crushing and particle size control, washing and desliming, uniform mixing and homogenization, batching and storage are carried out, and homogenized CuO-CuS mineral powder is added into limestone powder as a conditioning agent, the adjusted CuO-CuS mineral powder is stored in a stock bin; s2, the CuO-CuS mineral powder adjusted in the step S1 enters a leaching reactor, and the leaching process is divided into a time sequence-copper oxide section, a time sequence-copper sulfide section and a time sequence-collaborative optimization section; and S3, solid-liquid separation and product recovery are conducted, specifically, solid-liquid separation is conducted on products obtained after the collaborative optimization section is finished, leaching residues and leaching liquid are obtained, a solvent extraction-electrolytic deposition process is conducted on the leaching liquid, and finally a copper product is obtained. Efficient synergistic leaching of copper oxide and copper sulfide symbiotic copper ore is achieved in the single reactor, and the technical defects that a traditional technological process is complex, the investment cost is high, and the operation efficiency is low are overcome.

The invention relates to a high-entropy inhibition reinforced separation method for low-grade argillaceous copper oxide ore, and belongs to the technical field of mineral processing. Aiming at the problems that the low-grade argillaceous copper oxide ore is low in copper grade, high in argillaceous gangue content and complex in mineral dissemination characteristic, and flotation inhibitor screening depends on experience judgment and manual trial and error, so that the copper concentrate quality is poor, and the recovery rate is low, a high-entropy inhibition system is constructed; the adsorption equilibrium constant and the adsorption entropy of inhibitor components on the gangue surface are taken as the basis, the high-entropy inhibitor is accurately screened and prepared, the physical and chemical properties of the mineral surface are selectively regulated and controlled from the thermodynamic level, and the interface interaction between the collecting agent and the gangue can be efficiently blocked under the low-dosage condition. In addition, the high-entropy inhibitor and the collecting agent can form a synergistic slurry mixing and bubble controlling effect, and in cooperation with the technological process that middlings do not return to roughing and concentration, accumulation and circulation of slime in a flotation system are avoided fundamentally, the problem that flotation is deteriorated by the slime is solved, and strengthened separation of the copper oxide ore is achieved.

The invention discloses an impurity-reducing and quality-improving flotation method for arsenic-containing and lead-containing low-grade copper ore and application, and the flotation method is specifically used for separating and recycling pyrite minerals of the ore through primary ore grinding, two times of roughing, at least two times of scavenging, secondary ore grinding and at least five times of concentration. Two-stage roughing is matched with staged precise dosing, agent waste is avoided, it is guaranteed that slow-floating target minerals enter fine selection, gangue inclusion is reduced, and the grade and the recovery rate are improved; and a collecting agent hydrophobic membrane on the surface of the mineral is removed through secondary grinding, the monomer dissociation degree is improved, favorable conditions are created for impurity inhibition, and the separation precision is optimized. The high-selectivity copper collecting agent is matched with a lead and sulfur combined inhibitor, the problem that the effect of a single inhibitor is poor is solved, galena, iron sulfide and arsenopyrite are synergistically inhibited, and the content of lead and arsenic is greatly reduced. The agent is nontoxic and environment-friendly, equipment blockage and corrosion are reduced, the wastewater treatment cost and the environmental influence are reduced, and the unification of quality improvement, efficiency improvement, environmental protection and economy is realized.

The application provides a collector and a flotation process of copper sulfide ore. The collector comprises, in parts by weight, 100 parts of a sulfide urethane compound, 10-20 parts of (methyl) benzotriazole (sodium) and 10-20 parts of a cosolvent. In the flotation operation, the (methyl) benzotriazole (sodium) can be adsorbed and chelated with active copper atoms or copper ions on the surface of the copper sulfide ore, thereby forming a hydrophobic protective film on the surface of the copper sulfide ore, and further improving the hydrophobicity of the copper sulfide ore. The sulfide urethane compound has good selectivity for the copper sulfide. The cosolvent can promote the dissolution and dispersion of the sulfide urethane compound and the (methyl) benzotriazole (sodium) in the ore pulp. Compared with other ranges, limiting the amount of the above components in the above range is beneficial to the synergistic effect of the three, the collection capacity of the collector and the hydrophobicity of the copper sulfide ore, and further improving the copper recovery rate under the premise of ensuring the grade of copper concentrate.

This invention discloses a method for activated flotation of copper oxide ore, belonging to the field of mineral processing technology. The method includes: grinding and preparing the copper oxide ore into a pulp, then adding a small amount of sodium sulfide for catalytic oxidation to form an initial sulfide layer on the surface of the cuprite; subsequently adding sodium sulfide again to deeply activate the cuprite using the CuO layer as the reaction center, forming a stable and dense sulfide layer on the mineral surface; and then adding a collector and a frother for flotation. This invention, through the combination of catalytic oxidation and deep activation, significantly improves the sulfidation effect on the surface of cuprite and reduces the amount of sulfiding agent used, resulting in a significantly higher recovery rate of copper oxide ore, primarily cuprite, compared to direct sulfidation flotation. The copper oxide ore flotation method provided by this invention is simple, suitable for industrial production, and can achieve efficient recovery of refractory copper oxide ore, primarily cuprite.

This invention discloses a combined sulfur and arsenic inhibitor and its application, belonging to the field of mineral processing and flotation. The inhibitor comprises 1-2 parts calcium cyanamide and 4-8 parts ammonium salt, wherein the ammonium salt is one or both of ammonium thiosulfate and ammonium sulfite. This combined inhibitor exhibits good inhibition effects on pyrite and arsenopyrite, can be used under weakly alkaline conditions, reducing the amount of lime required; it has high selectivity, with virtually no inhibitory effect on copper sulfide ores; and it is highly adaptable, effectively inhibiting pyrite and arsenopyrite in copper sulfide concentrates containing chalcopyrite and bornite. The combined inhibitor of this invention requires a low dosage, effectively improving the grade of copper sulfide concentrate and reducing the arsenic content.

This invention relates to a large-size, high-density, high-carbon, high-silicon hot-rolled round steel bar and its preparation method. The chemical composition of the hot-rolled round steel bar, by weight percentage, includes: C: 0.60%~0.70%, Si: 1.70%~1.95%, Mn: 0.80%~0.90%, P≤0.015%, S≤0.015%, Cr: 0.80%~0.90%, Ni: 0.20%~0.25%, Mo: 0.05%~0. 0.10%, Al: 0.015%~0.035%, N: 0.0045%~0.010%, with the remainder being Fe and unavoidable impurities; it can balance toughness and wear resistance, and under the high carbon, high silicon, and high chromium composition system, it can effectively improve the internal density of hot-rolled round steel with a maximum φ110mm specification, meet the stringent flaw detection requirements of equivalent "≤φ1.3", and is suitable for the high-strength and high-wear working conditions of coarse copper ore grinding balls.

The invention relates to the technical field of geological exploration, in particular to a deep copper ore body seismic wave reflection-refraction combined detection device which comprises a combined detection system. The combined detection system comprises a seismic wave emission module, a seismic wave acquisition module, a comprehensive monitoring module and a comprehensive processing module. The comprehensive monitoring module comprises an installation coupling monitoring array; the comprehensive monitoring module monitors the contact angle and the contact pressure between the detector array and the ground and between the vibration emission source array and the ground in real time through the coupling monitoring array; through the design of the comprehensive monitoring module and the comprehensive processing module, the angle and pressure between the detector and the vibration emission source and the ground can be monitored before detection, so that the coupling state between the detector and the vibration emission source and the ground is judged, and the pressure change between the vibration emission source and the ground is continuously monitored and predicted in the vibration process; therefore, whether the working condition of the vibration emission source is reasonable or not is judged in real time, and the accuracy of detection results is improved.

The invention discloses a process alarm method for an intelligent nickel-copper ore filling system. The process alarm method comprises the following steps: 1) determining ash supply process related interlocking equipment and an alarm mode; 2) determining related interlocking equipment and an alarm mode in the sand feeding process; 3) determining water supply process related interlocking equipment and an alarm mode; 4) determining a liquid level LIA103A alarm mode of the stirring barrel; the method comprises the steps of (1) determining a filling system ore pulp concentration DIA103A alarm mode, (2) determining a filling system ore pulp concentration DIA103A alarm mode, (3) determining a filling system ore pulp concentration DIA103A alarm mode, and (4) enabling all equipment fault alarm signals to be effective at any time in the production process, and when a certain equipment is in a stop state in the production process, all related process quantity alarms are forbidden except the equipment fault alarm, so that the alarm is realized when the alarm is given, and the alarm is not given when the alarm is not given.

The utility model provides a copper ore product impurity removing and conveying device which comprises a conveying belt, the top of the conveying belt is fixedly connected with a protective shell, the top of the protective shell is fixedly provided with a fan, the air outlet end of the top of the fan is fixedly communicated with a conveying pipe, and one end of the conveying pipe is fixedly communicated with an exhaust hood. The utility model relates to the technical field of copper ore products. The stirring mechanism is arranged, when copper ore is conveyed on the conveying belt, the draught fan is started to generate wind power, the wind power is blown to the copper ore in conveying through the conveying pipe and the exhaust hood, dust on the surface of the copper ore is blown off, the impurity removal effect is achieved, meanwhile, the motor is started to drive the lead screw to rotate, and the dust on the surface of the copper ore is removed while the lead screw rotates. When the copper ore is conveyed, the driving plate and the poke rod are driven to reciprocate along the sliding block and the sliding groove, the conveyed copper ore is dispersed while the poke rod reciprocates, dust on the surface of the copper ore can be better blown off, and the impurity removal effect is improved.

The application discloses a kind of inhibitor for improving talc type copper sulphide ore flotation index, preparation method and application, it is related to sulphide copper ore flotation technical field.Tannic acid and water glass are respectively configured into solution, and are fully mixed by stirring to obtain inhibitor.Talc type sulphide copper ore is carried out grinding operation, then inhibitor is added to grinding product, so that grinding product is reacted with it, then butyl xanthate and No.2 oil are added, finally roughing is carried out to obtain copper rough concentrate and roughing tailings;Copper rough concentrate and roughing tailings are respectively carried out concentration and scavenging operation, and inhibitor is added in concentration operation, and butyl xanthate and No.2 oil are added in scavenging operation.Tannic acid and water glass are mixed after tannic acid and water glass are mixed, and are used as talc inhibitor for the separation of talc and sulphide copper ore.This method has the advantages of simple operation, low reagent consumption and strong selectivity, and can realize efficient separation of talc and sulphide copper under the condition of low dosage of inhibitor.