202 results about "Mineral processing" patented technology

The utility model discloses a high frequency vibrating screen device for zirconium titanium ore sorting relates to mineral processing field. A high frequency vibrating screen device for zirconium titanium ore sorting, including screening box, still include: a plurality of oblique settings screening board, from top to bottom equal interval staggered fixed connection in screening box, the both sides of screening box are opened in the symmetry and have the flow through cavity, the utility model discloses through the consistent screen hole design of multilayer screening board and high frequency vibration cooperation, has realized zirconium titanium ore material's efficient continuous screening, and small particle is fast and sieves when first contact screen surface, and large particle is repeatedly refined through multistage screening board, finally through first discharge port and second discharge port accurate separation, effectively improved the screening efficiency, and through continuously to the feed pipe conveying material, and the device can continuous operation, need not stop machine to take and put material, and the continuity of production is greatly improved, reduces manpower cost and equipment loss, especially suitable for the efficient production demand of large -scale zirconium titanium ore processing enterprise.

This invention relates to the field of mineral processing technology, specifically to an environmentally friendly copper-molybdenum separation inhibitor, its preparation method, and its application. The method includes: mixing starch and formamide, stirring at room temperature, cooling in an ice-water bath at -5°C, slowly adding chlorosulfonic acid at this temperature to initiate a sulfonation reaction, neutralizing to pH 7-8 with sodium hydroxide solution after the reaction, adding anhydrous methanol to precipitate the product, and washing and drying to obtain the sulfonated anionic starch polymer DGSS. The inhibitor is applied to the flotation separation of copper-molybdenum mixed concentrates, combined with a closed-circuit process of one roughing, one scavenging, and four cleaning stages, employing a gradient reagent reduction and staged kerosene replenishment system from roughing to cleaning. This allows for selective inhibition of copper sulfide minerals such as chalcopyrite at extremely low dosages, with minimal impact on the floatability of molybdenite. It completely avoids the use of toxic substances such as cyanide, Knox reagent, or sodium sulfide, exhibiting good selectivity, low reagent consumption, environmental friendliness, and a simple preparation process that is easy to industrialize.

This invention belongs to the field of mineral processing technology, specifically relating to a selective sulfidation roasting-flotation separation method for a smithsonite-calcite mixed ore. The method first involves crushing and grinding the smithsonite, calcite, and sulfiding agent, then mixing them in a certain proportion and subjecting them to sulfidation roasting, preferentially causing the smithsonite to undergo sulfidation. After cooling the roasted product in an inert atmosphere, flotation separation is performed using xanthate as a collector to obtain zinc concentrate. By controlling the atmospheric conditions during the sulfidation roasting process, the sulfidation reaction efficiency of the smithsonite can be improved, and the generation of sulfur oxide gases during roasting can be reduced. When using this method to process the smithsonite-calcite mixed ore, effective recovery of the smithsonite can be achieved, with a flotation recovery rate exceeding 88%. This invention features a simple process flow and easily controllable operating conditions, providing a new technical approach for the efficient utilization of smithsonite resources.

The utility model discloses a laboratory flotation machine scrape bubble quantity automatic weighing device belongs to mineral processing engineering technical field. Including the box, the box one side is equipped with the flotation groove, weighing sensor and the ore receiving container, is equipped with the rotating component above the flotation groove, and the output of rotating component is equipped with the scraper for the bubble scraping, and the ore receiving container is used for receiving the foam, and the weighing sensor is weighed to the foam, and is equipped with the water supply pipe on the flotation groove, is used to the water supplement in the flotation groove, the utility model discloses through the high accuracy weighing sensor to the scraping of the ore receiving container in the object and carries out the sustained weighing, and the data processing unit real -time computation quality change, replaces the current reliance on manual naked -eye observation and experience judgement, can eliminate the human error, provides reliable data basis for the subsequent accurate control, through the built -in water supplement amount conversion model, according to the real -time measured scraping bubble quality change rate automatic calculation required water supplement amount, and real -time display, operator fills the water according to the display value, and the convenient to use.

This application provides a system, method, electronic device, and storage medium for intelligent mineral processing, comprising: a conveying device that uniformly distributes and arranges the ore to be processed in a single layer before conveying it to a detection area; a primary processing device that collects the geometric and color distribution characteristics of the ore, thereby classifying the ore into easily processed and difficult-to-process types, and sending them to a first secondary processing channel or a second secondary processing channel respectively; the first secondary processing channel directly identifies the concentrate or tailings by recognizing the geometric and / or color distribution characteristics of the easily processed type of ore; the second secondary processing channel collects the image and spectral characteristics of the difficult-to-process type of ore, associates the image and spectral characteristics with the same target ore using the geometric characteristics as a spatial reference, fuses them to obtain fused features, and calculates the confidence level of the sorting action, thereby performing sorting. This application improves sorting efficiency and accuracy through hierarchical processing and multimodal association fusion based on geometric reference, and is particularly suitable for complex and difficult-to-process ores.

This invention discloses a device for preventing mud spillage during fine mineral filtration, relating to the field of mineral processing and solid-liquid separation equipment. It includes: a Buchner funnel, a filtration flask, a collection cylinder, an anti-backflow bottle, and a vacuum pump. The Buchner funnel is connected to the filtration flask, and the filtration flask's exhaust port is sequentially connected to the collection cylinder, the anti-backflow bottle, and the vacuum pump via pipelines. The collection cylinder includes a shell, a flow guide, a filter assembly, a collection chamber, and an end cap. The shell has an inlet and an outlet on both sides. The inlet is connected to the exhaust port of the filtration flask via a pipeline, and the outlet is connected to the anti-backflow bottle via a pipeline. The flow guide is located on the inlet side of the shell, and the filter assembly is located inside the shell. This invention uses the flow guide to rectify the airflow to protect the filter surface, and the filter assembly to intercept fine particles, preventing them from entering subsequent equipment. The removable end cap allows for quick and complete removal of the filter assembly, improving collection efficiency while simplifying maintenance.

This invention discloses an energy-saving grinding equipment, belonging to the field of mineral processing equipment technology, including a ball mill cylinder, frame, drive assembly, magnetic suction plate, arc-shaped guide plate, fixed plate, U-shaped sleeve, elastic telescopic plate assembly, and electric telescopic rod. The ball mill cylinder is rotatably supported on the frame, and the drive assembly drives its rotation. Magnetic suction plates are fixedly installed at equal intervals on the inner surface of the ball mill cylinder, and an arc-shaped guide plate is provided at the top, with equally spaced stop bars at both ends of the guide plate. The fixed plate is fixedly connected to the frame, and the U-shaped sleeve inside the cylinder is connected to the fixed plate. The stop bar at one end of the guide plate is inserted into the U-shaped sleeve and limited by a shaft and sliding joint. The fixed plate is equipped with an elastic telescopic plate assembly, and one end of the arc-shaped guide plate extends through the fixed plate to the outside and passes over the top of the telescopic plate assembly. An L-shaped rod is installed on the lower outer surface of the arc-shaped guide plate, and an electric telescopic rod is installed on the fixed plate, with a pressure rod installed at its movable end. This equipment saves energy by raising the falling height of the steel balls with the magnetic suction plate, and the electric telescopic rod drives the arc-shaped guide plate to facilitate the replacement of steel balls, improving grinding efficiency and operational convenience.

This utility model relates to the field of mineral processing machinery technology, and in particular to a flotation device for mineral processing machinery. It includes a body, with a feed pipe connected to the top of the body, a flotation outlet pipe connected to the surface of the body, and a discharge pipe connected to the bottom of the body. A sand valve is installed on the discharge pipe. A support frame is fixedly installed on the top of the body, and a stirring mechanism located inside the body is mounted on the support frame. A controller is fixedly installed at the top of the body. The stirring mechanism includes a stirring assembly, with an air jet assembly inserted through the middle of the stirring assembly. This flotation device for mineral processing machinery, through the synergistic design of a built-in central air guide pipe and axially layered blades, enables the gas to be efficiently and in-situ broken into microbubbles in the high-shear zone of the short blades, improving mineralization efficiency. The long blades and large-circulation anti-settling tank, along with the middle blades guiding the foam to float, result in a clear division of flow fields and uniform mixing, significantly improving flotation efficiency and concentrate grade while reducing energy consumption.

This invention discloses a green and environmentally friendly mineral processing equipment, belonging to the field of mineral processing technology. The equipment includes a centrifugal separator, a discharge pipe, a collecting hopper, an annular cone hopper, pusher scrapers, a rotating column, a drive assembly, a ore delivery pipe, and a water spraying assembly. The discharge pipe is fixed to the centrifugal separator and connected to the collecting hopper at its top. An annular cone hopper is fixed inside the collecting hopper; its inner cavity is wider at the top and narrower at the bottom, composed of an annular plate and a conical screen plate. Multiple equally spaced pusher scrapers are provided inside the annular cone hopper, all fitting against the inner surface, with one end connected to the rotating column, which is supported by the centrifugal separator. The drive assembly drives the rotating column to rotate. Multiple equally spaced ore delivery pipes and a water spraying assembly are located at the top of the annular cone hopper. This equipment can achieve uniform mixing of ore and water, avoid ore particle agglomeration, improve mineral processing efficiency and accuracy, and is compact, energy-saving, and environmentally friendly.

This invention discloses a multi-stage microwave-enhanced purification process for quartz sand, belonging to the field of mineral processing engineering technology. The process sequentially includes the following steps: raw material pretreatment, a first-stage microwave-water quenching, flotation separation, a second-stage microwave-water quenching, deep acid leaching, and post-treatment; wherein the microwave power used in the first-stage microwave-water quenching step is lower than that used in the second-stage microwave-water quenching step. This invention, through segmented microwave power design, uses lower-power microwave treatment before flotation to optimize mineral surface properties and improve flotation efficiency; and uses higher-power microwave treatment before acid leaching to enhance the development of internal cracks in the mineral and improve the acid leaching effect, thus synergistically solving the technical contradiction of traditional heat treatment processes that promote flotation while inhibiting acid leaching. This process has the advantages of good purification effect, low energy consumption, and environmental friendliness.

The application discloses a kind of high oxidation rate lead-zinc oxide ore aerated sulphidation flotation and tailings discharge process, belong to mineral processing technical field.The method includes the following steps: grinding to lead-zinc oxide ore raw ore, obtain slurry;Sodium sulfide is added to slurry, and under the condition of aerated stirring, sulphidation reaction is carried out, and sulphidation slurry is obtained;Collector and foaming agent are added to sulphidation slurry, and flotation is carried out, and lead concentrate and zinc concentrate are obtained.The application introduces forced aerated stirring in the sulphidation process, strengthens the mass transfer process among gas-liquid-solid three phases, promotes the generation of dense, stable lead sulfide film on the surface of lead oxide minerals, solves the problem of low sulphidation efficiency of traditional sulphidation process.The application is used to treat refractory lead-zinc oxide ore containing Pb 5.59%, Zn 44.02%, oxidation rate more than 90%, and closed-circuit test can obtain qualified lead concentrate with lead grade of 60.72% and lead recovery rate of 79.53%, while lead flotation tailings directly become zinc concentrate with zinc grade of 46.33% and zinc recovery rate of 98.41%, realizing efficient separation of lead and zinc and tailings discharge.

This invention relates to the field of mineral processing technology, and more particularly to a mineral sand screening device. It includes a housing and a feed hopper fixedly connected to the housing, as well as an annular grid plate, an annular screening plate, a circular screening plate, a discharge frame, an annular plate, an annular feed rack, a swing rod, an n-shaped rod, a double-rod cylinder, a trigger assembly, and a vibration assembly. The annular grid plate is disposed inside the housing, and the annular screening plate is fixedly connected to it. The circular screening plate is fixedly connected to the annular screening plate and located below the feed hopper. A discharge frame is fixedly connected to the bottom of the annular screening plate, the circular screening plate, and the annular grid plate. This invention uses an electric rotating shaft to vibrate the annular grid plate, the annular screening plate, and the circular screening plate. The mineral sand is then poured into the housing through the feed hopper for screening. The annular feed rack obstructs the mineral sand, allowing for a longer screening time and ensuring complete screening, thereby improving the screening efficiency.

The present application relates to the technical field of mineral processing, and provides a siderite directional enrichment and separation integrated process, which comprises the following steps: ore pretreatment, ore slurry directional dispersion and selective flocculation regulation, batch flotation separation, product refining and wastewater recycling four links, each link is accurately matched based on mineral surface electrical property and adsorption characteristic parameters, the iron element grade of siderite after flotation can be increased by more than 15%, the highest recovery rate can reach 76.70%, the iron grade can be increased to 59.90% at most, the high-value recovery of low-grade multi-element symbiotic siderite is realized, and the tailing discharge amount is reduced by 15%; the wastewater is closed-loop recycled without external discharge, and the first-level requirement of the comprehensive wastewater discharge standard is met.

This utility model provides a screening device for iron ore powder production, belonging to the field of mineral processing technology. The screening device includes a screening machine body and a discharge extension mechanism. A screen is installed inside the screening machine body, and discharge hoppers are installed on both sides of the right side of the screening machine body. A material cylinder is movably connected to the bottom of the discharge hopper, and an extension cylinder is movably connected inside the material cylinder. A sleeve is movably connected to the outside of the discharge hopper. By setting the discharge extension mechanism, a medium can be provided for extending the discharge position of the discharge hopper, allowing the user to extend the discharge position of the hopper to a suitable position according to the discharge and conveying requirements of the iron ore powder after screening by the screening machine body. This avoids a situation where the discharge positions of the hoppers are too concentrated, making it difficult for external iron ore powder conveying equipment to transport the iron ore powder discharged from different hoppers. Therefore, the discharge flexibility and adaptability of the screening machine body and the discharge hoppers are improved.

The present application relates to the technical field of mineral processing, and particularly relates to a modified dodecylamine collector, a preparation method and application thereof.The preparation method of the modified dodecylamine collector provided by the present application comprises the following steps: carrying out glow discharge air plasma treatment on dodecylamine by taking air as a working gas.The present application introduces oxygen-containing and / or nitrogen-containing active groups on the surface of dodecylamine molecules by means of glow discharge air plasma modification of dodecylamine, and the dodecylamine is used for flotation separation of quartz and hematite, so that the adsorption capacity and selectivity of the dodecylamine to quartz, especially fine quartz, are enhanced, and efficient separation of quartz and hematite can be realized at a lower dosage; and the raw material of the preparation method is green and environmentally friendly, the modification process is low-temperature, safe and controllable, no by-product is generated, and the energy consumption is low.

The application discloses a method for lime-free and acid-free copper-sulfur flotation separation, wherein a combined inhibitor for copper-sulfur separation comprises ferrous sulfate and amygdalin, and is used as a pyrite inhibitor in flotation separation of chalcopyrite and pyrite.The combined inhibitor ferrous sulfate and amygdalin, a collector and a foaming agent are added to a raw ore after crushing and grinding to perform a copper flotation operation, and after the copper flotation operation, a combined activator sodium percarbonate and copper sulfate, a combined collector and a foaming agent are added to the ore pulp to perform a sulfur flotation operation.The combined inhibitor ferrous sulfate and amygdalin has a strong inhibiting effect on pyrite, and can effectively realize flotation of chalcopyrite; the combined activator sodium percarbonate and copper sulfate has a good de-inhibiting and activating effect on pyrite, and can effectively realize flotation of pyrite, thereby reducing the mineral processing cost while enhancing the copper-sulfur separation effect, and having a good application prospect.

This invention relates to the field of mineral processing equipment technology, and discloses a flotation column for mineral processing. The flotation column includes a frame, a crossbeam fixedly mounted on the top of the frame, a fixed mounting base fixedly mounted in the middle of the crossbeam, and a flotation column fixedly mounted in the middle of the fixed mounting base. A rotating shaft is movably mounted inside the flotation column via a bearing mounting base. The bottom end of the rotating shaft extends to the inner bottom of the frame and is fixedly mounted with an impeller. An annular movable frame is movably mounted at the bottom end of the flotation column via a bearing mounting base. A perforated air inlet hood is fixedly mounted at the bottom end of the annular movable frame. A sleeve is also movably mounted inside the flotation column via a bearing mounting base. This invention improves the capture capacity and separation accuracy of fine-grained minerals, reduces impurities, ensures stable and controllable operation, low energy consumption, extends equipment life, and guarantees efficient and continuous mineral processing through uniform aeration, bubble refinement, composite flow field, and vibration synergistic design.

This invention belongs to the interdisciplinary fields of industrial internet, knowledge engineering, and intelligent mining. It proposes a method and system for knowledge decoupling and dynamic collaborative reasoning throughout the entire mineral processing process. It constructs a static domain ontology covering geology, mining, and beneficiation, integrates multi-source heterogeneous data, responds to mining loading events, matches target ore body segments based on spatial coordinates, creates ore unit instances with attached geological attributes and established traceability associations, and updates their status in real time as the ore flows, associating them with current process equipment to form a dynamic flow knowledge graph. Based on the geological attributes and location information in the graph, it uses spatiotemporal mapping rules to predict the estimated time for the ore to reach downstream equipment, generates process adjustment instructions based on preset reasoning rules, and sends them to the control system during the buffer period. This invention achieves dynamic collaboration and intelligent control throughout the entire process from geological source to beneficiation terminal, effectively improving the accuracy and efficiency of mineral processing.

This invention belongs to the field of mining automation and intelligent monitoring technology. It discloses a multi-parameter online monitoring platform and method for the grinding and beneficiation process in a mineral processing plant, including: collecting equipment operating parameters and material flow data; combining this with ore physical property detection values ​​to calculate real-time load index and capacity margin; dynamically dividing the crushing ratios of the coarse, medium, and fine crushing stages to determine the target discharge particle size range and generate a crushing ratio allocation vector; identifying pre-diversion nodes, determining pre-screening separation points and dry waste disposal trigger conditions to obtain material diversion path identifiers; performing coordinated adjustment to generate a set of equipment coordinated control parameters; distributing these parameters to each crushing device to monitor the oversize return ratio in real time; and recalculating the crushing ratio allocation vector and updating the equipment coordinated control parameter set when the return ratio exceeds a preset threshold. This significantly improves the overall efficiency and energy-saving level of the crushing system.

The present application relates to the technical field of mineral processing engineering, and particularly relates to a chemical beneficiation method for upgrading and reducing calcium content of mixed rare earth concentrate. The chemical beneficiation method of the present application mainly comprises multiple procedures such as chemical leaching, separation and optional drying, wherein the chemical leaching is carried out in two stages. The chemical beneficiation method of the present application reduces the content of calcium oxide in the rare earth concentrate, improves the grade of the mixed rare earth concentrate, provides conditions for separating bastnaesite from monazite and clean development of rare earth smelting, is beneficial to the optimization and improvement of the rare earth smelting process, and reduces the pollution to the environment; provides raw materials for niobium and scandium extraction; the generated intermediate products can be converted into products, basically realizing zero emission, achieving the purpose of comprehensive utilization, and the whole method is green, environmentally friendly and waste-free.

This utility model relates to the field of mineral processing shaking tables, and discloses a mineral processing shaking table with a multi-layer vibration mineral processing mechanism. It includes a shaking table body, a vibration mechanism disposed within the shaking table body, and a support mechanism at the bottom of the vibration mechanism. The vibration mechanism includes a support seat disposed within the shaking table body, and a cam disposed in the center of the support seat. A rotating rod is fixedly connected to the inner ring of the cam, and a support frame is rotatably connected to the surface of the rotating rod. A connecting plate is fixedly connected to the side of the support frame opposite to the cam. This mineral processing shaking table with a multi-layer vibration mineral processing mechanism precisely transmits the up-and-down movement to each guide plate, causing multiple guide plates to simultaneously generate high-frequency vibration. During the vibration process, ores of different properties, due to differences in particle size, density, and shape, generate different movement trajectories on the surface of the guide plates, thereby achieving preliminary separation of the ore and greatly improving mineral processing efficiency.

This invention belongs to the field of mineral processing technology, specifically disclosing a method for recovering scheelite and fluorite from scheelite rough concentrate by ambient temperature flotation. It replaces the traditional reagents used in laboratory-scale tests with a reagent combination of sodium carbonate, brine glass, and a lead nitrate-hydroxyvalerate complex. Combined with grinding, concentration, and de-removal pretreatment, this method achieves efficient recovery of scheelite and fluorite from scheelite rough concentrate under ambient temperature conditions. The recovered scheelite concentrate has a WO3 grade of over 32.95%, with an operational recovery rate of over 61.55%; the fluorite concentrate has a CaF2 grade of over 93.22%, with an operational recovery rate of over 51.25%. This method achieves comprehensive recovery and utilization of associated resources, eliminating the need for heating or acid leaching treatment and significantly reducing energy consumption.

The application discloses an intelligent mine management and control platform and method based on a beneficiation whole-process optimization large model, relates to the technical field of industrial control, and comprises the following steps: constructing a unified data warehouse, collecting multi-source heterogeneous data, performing quality verification and space-time alignment, and generating beneficiation data; using the beneficiation data to train a twin prediction sub-model and an optimization decision sub-model respectively, forming a linkage model set; running the linkage model set in the intelligent mine management and control hub node to generate future state trends and candidate set values, and distributing the candidate set values to each business item; each business item forms an optimization instruction according to the candidate set value and a preset optimization target, and issues the optimization instruction to the bottom control layer for execution; and the new beneficiation data generated by the execution is returned to the unified data warehouse. The application constructs a callback closed loop in an application programming interface, prepositions the candidate set value as a twin prediction input, and returns the candidate set value in the same data closed loop, so that the cross-business item execution stability is improved.

This utility model relates to the field of mineral processing equipment technology and provides a Nelson mineral processing machine for gold concentrate gravity separation. It includes a base, a housing on the base, an outer cone inside the housing, an inner cone extending into the outer cone from its lower side embedded in the upper surface of the outer cone, a spiral groove on the inner wall of the inner cone, and multiple back-blowing water holes communicating with the interior of the outer cone at the bottom of the inner cone. A rotating shaft is located on the lower surface of the outer cone, and a back-blowing water groove communicating with the interior of the outer cone is located on the upper surface of the rotating shaft. The lower end of the rotating shaft rotates through the lower surface of the housing. A drive assembly for controlling the rotation of the rotating shaft is located on the outer side of the housing. Two parallel first mounting plates are located on the bottom wall of the outer cone. This utility model uses a filter screen to catch falling gold concentrate, preventing it from falling onto the rotating shaft and clogging the back-blowing water outlet, or falling directly into the back-blowing water pipe through the rotating shaft, thus affecting the gold concentrate gravity separation effect.

This application provides a two-step flocculation adaptive control method for tailings slurry based on FBRM online monitoring, relating to the field of tailings treatment technology in the mineral processing industry. The method includes: online monitoring of the original tailings slurry using focused beam reflection measurement under no-doping conditions to obtain the particle size baseline characteristics of the original slurry; adding a primary flocculant to obtain a first slurry, and monitoring the dynamic particle size characteristics of the flocs during the flocculation process in real time; based on the dynamic particle size characteristics of the first slurry, determining whether the first slurry has reached a ready state suitable for secondary flocculation according to a preset primary flocculation completion criterion; when the first slurry reaches the ready state, automatically initiating the addition of a secondary flocculant to obtain a second slurry, and providing real-time feedback on the particle size distribution change in the second slurry as a control signal to adaptively adjust the dosing rate of the secondary flocculant. This method can automatically adapt to changes in ore properties, solid content, and operating conditions, and has strong potential for widespread application.

This utility model relates to the field of mineral processing technology, and more particularly to a dry mineral processing production system. The system includes: a calcination device, a wet grinding device, a leaching device, a first filter press device, and a re-slurry device. The output of the calcination device is connected to the input of the wet grinding device for calcining the ore. The output of the wet grinding device is connected to the input of the leaching device for crushing the calcined ore. The output of the leaching device is connected to the input of the first filter press device for acid leaching the wet-ground slurry. The output of the first filter press device is connected to the input of the re-slurry device for solid-liquid separation of the leached slurry. The re-slurry device is used to clean the substandard ore after filter press. These interconnected components provide reliable technical support for dry mineral processing production, helping to improve both efficiency and quality.

The application provides a high-sulfur arsenic carbon refractory gold concentrate boiling roasting system and method, and belongs to the technical field of mineral processing and metallurgy. The system comprises a four-furnace boiling roasting device and a flue gas recovery device. The four-furnace boiling roasting device comprises four furnaces connected in sequence and with decreasing horizontal heights. The bottoms of the four furnaces are respectively provided with four air chambers in communication with the furnaces. The first and fourth air chambers only pass in air, the second air chamber only passes in flue gas generated in the first furnace, and the third air chamber only passes in flue gas generated in the fourth furnace. The flue gas of the second and third furnaces is passed into the flue gas recovery device, which comprises a high-temperature carbon bed reactor, a realgar recovery device, a medium-temperature carbon bed reactor and a sulfur recovery device connected in sequence. The application reasonably designs the process and the equipment to recover sulfur and arsenic in the ore in the form of sulfur and realgar, has a small amount of flue gas emission, is beneficial to environmental protection, and is beneficial to improving the gold leaching rate of the refractory gold concentrate.

The disclosed ore-dressing plant process arrangement includes multiple process platforms and multiple material conveying channels. The multiple process platforms are sequentially arranged from top to bottom along the terrain. The multiple process platforms include at least a first process platform, a second process platform, a third process platform, and a fourth process platform. The first process platform is provided with a magnetite grinding and separation unit. The second process platform is provided with a hematite grinding and separation unit. The third process platform is provided with a hematite gravity separation unit. The fourth process platform is provided with a hematite flotation unit. The multiple material conveying channels are used to connect the multiple process platforms. The elevations of the multiple process platforms sequentially decrease along the material flow direction, so that the materials between the process platforms can be self-flow conveyed. The disclosed ore-dressing plant process arrangement sequentially arranges multiple process platforms from top to bottom according to the terrain, and uses the terrain difference for stepwise arrangement, to realize self-flow conveying of the ore slurry, reduce the energy consumption of the ore slurry conveying, and reduce the cost.