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1471results about "Wet separation" patented technology

Movable type placer gravity separation system and separation method

The invention relates to the technical field of mine beneficiation, and discloses a placer movable type gravity separation system and method, and the placer movable type gravity separation system comprises a movable type bearing base, an impact crusher, a spiral classifier and a plurality of parallel shaking tables; a spiral classifier is matched with an intelligent concentration monitoring system. The intelligent concentration monitoring system is composed of an ore pulp concentration sensor, a flow sensor, a PLC and an electric adjusting valve. The feeding end of each shaking table is connected with the discharging end of the spiral classifier through a flow dividing pipeline, and a flow distributing valve is arranged on the flow dividing pipeline. A damping device and crawler-type moving wheels are integrated at the bottom of the movable bearing base, the whole machine is in communication connection with the equipment through a central control cabinet, and data communication and material conveying closed-loop linkage of the raw material crushing unit, the ore pulp grading and concentration regulation and control unit, the multi-machine parallel gravity separation unit, the movable operation regulation and control unit and the central control unit are achieved. The intelligent control framework has the advantages of being accurate in ore pulp concentration regulation and control, high in treatment capacity and stable and reliable in moving operation.
Owner:SHANGHAI RUNWAY GLOBAL CO LTD

Intermittent online weighing densimeter for dense medium coal preparation plant

The utility model belongs to the field of densimeters, and particularly relates to an intermittent online weighing densimeter for a dense medium coal preparation plant. The intermittent online weighing densimeter for the dense medium coal preparation plant comprises a constant-volume container, a weighing support and a first three-way pipe, the constant-volume container is arranged above the weighing support, a plurality of weighing sensors are evenly distributed between the constant-volume container and the weighing support, an opening is formed in the top of the constant-volume container, and the first three-way pipe is connected with the constant-volume container. One branch pipe of the first three-way pipe is communicated with the opening, the other two branch pipes of the first three-way pipe are a feeding pipe and a water inlet pipe respectively, and a discharging opening is formed in the center of the bottom of the constant-volume container. According to the utility model, a mode of combining intermittent on-line weighing and flushing is adopted, heavy medium suspension liquid is introduced into the constant-volume container, the constant-volume container is weighed through the weighing sensor after being fully filled, and then the density value is calculated. The whole process is safe and has high precision.
Owner:中创实(北京)科技有限公司

Heavy medium cyclone separation ash reduction and leaching chlorine reduction joint production device and production process

The invention relates to the technical field of coal production, and provides a heavy medium cyclone separation ash reduction and leaching chlorine reduction joint production device and a production process, the heavy medium cyclone separation ash reduction and leaching chlorine reduction joint production device comprises a rack, and a heavy medium cyclone and a leaching chlorine reduction device which are sequentially arranged on the rack, the dense medium cyclone is used for separating coal, the leaching chlorine reduction equipment is used for receiving the coal, a liquid leaching agent is contained in the leaching pool, the conveying part is arranged in the leaching pool in a circulating conveying mode, the stirring parts are rotationally arranged relative to the conveying part and move along with the conveying part, and the multiple stirring parts are distributed in the circumferential direction of the conveying part. The stirring part is used for stirring the coal on the conveying part when moving to the position above the conveying part along with the conveying part, and is used for disturbing the liquid flow of the leaching agent when moving to the position below the conveying part. By means of the technical scheme, the problems that in the prior art, coal moves in a stacking state during coal leaching and dechlorination, the coal makes insufficient contact with a leaching agent, and the leaching efficiency is low are solved.
Owner:HUANENG COAL TECH RES CO LTD +1

Enzyme treatment comprehensive equipment for chicken feed

The invention provides an enzyme treatment comprehensive device for chicken feed, and relates to the technical field of chicken feed treatment.The enzyme treatment comprehensive device comprises a screening device, and a main body of the screening device is an arched bin; the screening device comprises a conveying channel, two sets of screening device plates are rotationally arranged outside the conveying channel through bearings, each screening device plate is of a T-shaped structure, and the screening device plates are rotationally arranged in the inner walls of the two sides of the screening device. Connecting plates are fixedly arranged on the sides between the two groups of sifter plates; a feeding hopper with an upward opening is fixedly arranged on the front side of the conveying channel; the screening function is efficient and clean, feed can be fully stirred and screened through cooperation of the two sets of rotating screening device plates and the surrounding screening net, powdery particles in the feed can be accurately separated, meanwhile, the air outlet nozzles driven by the air pump eject air flow, the falling and falling speed of the powdery particles can be increased, and the screening effect is good. And powder can be prevented from drifting away along with airflow through an intercepting net at the top of the screening equipment, and the screened powder is stably guided out through a spiral output rod after being gathered through a V-shaped plate.
Owner:SHANDONG YUKOU POULTRY

Energy-saving mine separation equipment

The invention discloses energy-saving mine separation equipment, and relates to the technical field of separation equipment, and the energy-saving mine separation equipment is technically characterized by comprising a bearing frame and a shaking table slidably mounted on the bearing frame, a pair of side plates are fixedly mounted on the shaking table, a conveying belt is arranged between the two side plates, driving rollers are arranged at the two ends of the conveying belt in the length direction, and the driving rollers are arranged on the side plates. The two ends of the driving roller in the length direction are rotationally connected with the two side plates correspondingly, a second motor is fixedly installed on the side plates, the output end of the second motor is fixedly connected with the driving roller, a plurality of magnetic attraction blocks are arranged in the length direction of the conveying belt at equal intervals, and each magnetic attraction block is fixedly connected with the conveying belt through a connector. Every two adjacent magnetic attraction blocks are tightly attached, a gap is formed between the magnetic attraction block located on the lower surface of the conveying belt and the upper surface of the shaking table, a scraping plate is fixedly installed on the baffle, one end of the scraping plate is tightly attached to the upper surface of the magnetic attraction block, and magnetic mineral materials do not need to be separated from the separated mineral materials.
Owner:ANHUI JINRISHENG MINING

Magnetic attraction lining and double-medium energy-saving ore grinding system

The utility model discloses a magnetic suction lining and double-medium energy-saving ore grinding system, which comprises an ore feeding port, an overflow type mill cylinder, a magnetic suction lining, double grinding media, a hollow shaft neck and a reverse spiral blade, the whole magnetic suction lining has magnetism and is tightly attached to the overflow type mill cylinder by means of magnetic force; double grinding media are arranged in the overflow type mill cylinder and are used for grinding minerals; a hollow shaft neck is arranged at one end part of the overflow type mill cylinder body and is used for discharging mineral products; an ore feeding opening is formed in the other end part of the overflow type mill cylinder body and is used for guiding a sand setting product of the hydraulic classification cyclone to enter the overflow type mill cylinder body; reverse spiral blades are arranged on the hollow shaft neck, and the rotating direction of the blades in the ore grinding operation is opposite to the rotating direction of the overflow type mill barrel. Through the multi-layer and multi-link fine design, the whole ore grinding process is more efficient and accurate, and the utilization rate and the production efficiency of mineral resources are greatly improved.
Owner:ANHUI MASTEEL MINING RESOURCES GRP NANSHAN MINING CO LTD +1

Method for recovering iron in tailings of copper separation from copper smelting slag through combination of microwave-assisted oxidizing roasting and magnetic separation

The invention discloses a method for recovering iron in tailings of copper separation from copper smelting slag through combination of microwave-assisted oxidizing roasting and magnetic separation, and belongs to the technical field of metallurgical solid waste resource utilization. The method comprises the steps that high-temperature copper smelting slag is subjected to water quenching, crushing and ore grinding, flotation and copper removal to obtain tailings containing silicon iron, after a calcium-based additive is added for ball milling and mixing, microwave oxidizing roasting is conducted under the oxygen-enriched condition, roasting products are subjected to high-gradient magnetic separation after crushing and ore grinding, and iron ore concentrate and magnetic separation tailings are obtained. According to the method, the strong wave-absorbing characteristic of fayalite is utilized, the roasting temperature and energy consumption are reduced through microwave heating, iron-silicon separation is achieved through a calcium-based additive, and iron is recycled through magnetic separation in one step. The final magnetic separation iron recovery rate reaches 85% or above, the iron ore concentrate grade exceeds 60%, magnetic separation tailings can be used as building materials, the process is simple, the cost is low, environment friendliness is achieved, the defects of a traditional process are overcome, and high-value utilization of solid waste is achieved.
Owner:KUNMING UNIV OF SCI & TECH

Mechanical stirring type coarse particle fluidized bed flotation device and method

The invention provides a mechanical stirring type coarse particle fluidized bed flotation device and method.The groove body structure of a flotation groove comprises an inner groove body and an outer groove body, the inner groove body is arranged in the outer groove body, and a circulation channel is formed between the inner groove body and the outer groove body; the ore feeding distribution device is arranged at an ore feeding inlet in the upper part of the flotation tank body; the stirring device comprises a stator and an impeller which are arranged in the flotation tank body; the flow guide hole grid plate is arranged in the inner groove body and located above the stator and the impeller. Stable rising water flow is generated through the suction effect of the impeller and the circulation channel, the fluidization flotation process can be achieved without adding extra clear water, and the problem that a fluidization flotation column is large in water consumption is solved. The flow guide hole grid plate is arranged in the inner tank body, so that disordered fluid coming out of an impeller stirring area is converted into uniform and stable rising fluid, and the stability of a bed layer and mineralized bubbles is improved. The problems that a traditional flotation machine is poor in coarse particle recovery effect, and a fluidization flotation column is large in water consumption and poor in fine particle selectivity are solved.
Owner:BGRIMM MACHINERY & AUTOMATION TECH CO LTD

A polymetallic tin placer beneficiation process

The application discloses a multi-metallic sand tin ore beneficiation process, adopts the equal floatation-mixed floatation-gravity separation backwater process, lead concentrate yield is 0.39%, lead grade is 16.62%, recovery rate is 15.93%; zinc concentrate yield is 1.08%, zinc grade is 39.32%, zinc recovery rate is 46.92%, the gravity separation indexes are as follows: tin concentrate yield is 0.39%, tin content is 40.57%, tin recovery rate is 51.66%; low-grade tin concentrate yield is 0.51%, tin content is 3.17%, tin recovery rate is 5.28%. The beneficiation process recovers lead, zinc and tin in the sand tin ore, has high beneficiation indexes and good beneficiation effect.
Owner:LIUZHOU HUAXI COLORED DESIGN & RESEARCH INSTITUTE CO LTD

A beneficiation separation method of high-copper and low-zinc type high-sulfur polymetallic ore

The application discloses a beneficiation separation method for high-copper and low-zinc high-sulfur polymetallic ore, which comprises the following steps: A, after crushing the raw ore, ball milling and grading are performed, the sand is returned to the ball mill, and the overflow product is fed into a copper roughing process; B, copper roughing is performed; C, the roughing concentrate is subjected to copper cleaning process to obtain copper concentrate, and the roughing tailings are fed into a copper scavenging process; D, copper scavenging is performed, the scavenging tailings are subjected to grading, the sand is returned to the ball mill, and the overflow product is fed into a zinc roughing process; E, zinc roughing is performed, the roughing concentrate is subjected to zinc cleaning process to obtain zinc concentrate, and the roughing tailings are subjected to zinc scavenging process to obtain zinc tailings. The application efficiently realizes the separation of copper concentrate and zinc concentrate by fully utilizing the mineral particle size distribution characteristics, introducing a particle size grading system and improving the flotation reagent, and has the technical characteristics of high separation yield, easy operation, stable separation index and the like.
Owner:SICHUAN LIWU COPPER IND +1

Multi-stage photoelectric-jigging-magnetic separation synergistic efficient ore separation process

PendingCN121467188AHigh gradient magnetic separationHigh gradient magnetic separatorsPhysical chemistryProcess engineering
The invention relates to the technical field of ore separation, and discloses a multi-stage photoelectric-jigging-magnetic separation synergistic efficient ore separation process which comprises the following steps: A, material pretreatment and particle size regulation and control: raw ore raw materials are treated through crushing and screening equipment; the method comprises the following steps of: adding the raw materials into a magnetic separator to obtain a coarse-fraction product with the particle size range of 5-100mm and a fine-fraction product with the particle size range of 0.5-5mm, and cleaning and drying the products to remove surface dust and pollutants. Sequential and parallel recognition and sorting of multi-dimensional physical attributes such as color (photoelectricity), density (jigging) and magnetism (magnetic separation) of ore particles are achieved, the function limitation of a single sorting method is overcome through the multi-technology coupling mechanism, and a large amount of waste rock is efficiently thrown at the front end through photoelectric pre-sorting; the enriched valuable minerals can be intensively treated by subsequent gravity separation and magnetic separation equipment, and the unit operation efficiency is improved.
Owner:HAINAN HAINAN IRON & STEEL GROUP CO LTD

Dust fall type coal washer and using method thereof

The invention discloses a dust fall type coal washer and a using method thereof, and belongs to the technical field of coal washers. A dust fall type coal washer comprises a coal washer hopper, a feeding port is formed in the side edge of the coal washer hopper, the dust fall type coal washer further comprises a material shell, the material shell is fixedly arranged on the upper side of the coal washer hopper, a spraying assembly for dust fall is arranged in the material shell, and a water storage tank for providing water for the spraying assembly is arranged on the outer side of the coal washer hopper; the fan assembly is arranged in the material shell and arranged on the upper side of the spraying assembly, and a dust collecting hopper is arranged on the side, away from the fan assembly, of the material shell; the dust falling pipe is arranged between the material shell and the water storage tank; by increasing the working range of the spray head, a better adsorption effect on dust can be achieved, generation and scattering of the dust in the coal cleaning process are reduced, dust particles in air are effectively collected and filtered, the cleanliness of the working environment and the air quality are improved, and therefore the good dust falling effect is achieved.
Owner:LIULIN XIANGYU RESOURCES RECYCLING CO LTD

A vertical pulper for perishable garbage

The application discloses a kind of perishable garbage vertical pulper, it is related to garbage processing field, including vertical pulper main body, top of vertical pulper main body is opened feed inlet, top cover is installed on feed inlet, driving motor is equipped below vertical pulper main body, motor shaft of driving motor is inserted into vertical pulper main body inner cavity, for connecting driving rotating knife arranged at the bottom of vertical pulper main body inner cavity, guide vane is fixed on the inner wall of vertical pulper main body, and perishable garbage can be layered;Discharge outlet for discharging slurry is opened on the inner wall of vertical pulper main body, and slag discharge port is opened at the bottom of vertical pulper main body inner cavity for heavy slag discharge.The application is arranged in pulper inner cavity bottom with rotating knife, vortex is generated in perishable garbage when rotating, according to the principle of hydraulic vortex, the bag of perishable garbage is broken, organic matter is pulped, impurities are separated, the broken particle is finer, the efficiency is higher, the problem that existing pulper is easy to block and rotating knife service life is short is solved.
Owner:POWERCHINA HUADONG ENG CORP LTD

Cleaning equipment

ActiveJP7785393B2Wet separation
To provide a cleaning device which achieves a high cleaning effect while inhibiting sand from flowing out.SOLUTION: A cleaning device includes: a container 3 having an inflow port 341 through which liquid flows and a discharge port 331 from which a part of the liquid is discharged, the container 3 configured to generate swirl flow in the liquid flowing thereinto; and a storage tank 4 which stores stored liquid containing impurities and sand in a state that the stored liquid faces the discharge port 331. The discharge port 331 suctions the impurities and liquid components in the storage tank 4 while discharging a part of the liquid to the storage tank 4. The container 3 has, between the inflow port 341 and the discharge port 331, a contraction part in which a cross sectional area of an internal space X1 defined by an inner peripheral surface of the container 3 is reduced more at the discharge port 331 side than at the inflow port 341 side. Further, the container 3 is connected with a delivery port 611 which sends out the impurities and the liquid components suctioned from the discharge port 331 to the outside of the container 3. The discharge port 331 has an opening area which is larger than or equal to an opening area of the inflow port 341.SELECTED DRAWING: Figure 2
Owner:AQUAINTECH CORP

Synchronous collection and separation integrated equipment and synchronous collection and separation method for microplastics in surface environment

The invention relates to the technical field of micro-plastic collection, in particular to surface environment micro-plastic synchronous collection and separation integrated equipment and a synchronous collection and separation method. The equipment comprises a gas collecting device, a circulating gas pump, a circulating water pump, a cooling ring and a flotation tower, a cooling ring is arranged on the upper portion of the flotation tower, a corundum aeration device is arranged at the bottom of the flotation tower, one end of a circulating air pump is connected with two sets of air inlets of the air collecting device through pipelines, and the other end of the circulating air pump is connected with an outlet in the top of the flotation tower through a pipeline. When the equipment works, the operation of the equipment needs to be ensured in a closed circulation process. The equipment can collect micro-plastics with various particle sizes in the surface environment and other impurities capable of diffusing through natural conditions, synchronously enrich the micro-plastics and separate the impurities, so that the purpose of efficiently collecting micro-plastic samples is achieved.
Owner:BEIJING MUNICIPAL RES INST OF ENVIRONMENT PROTECTION

Middle ore overflow water muddy water disposal system for dressing plant

The utility model belongs to the technical field of concentrating mill production water treatment, and relates to a concentrating mill middling overflow water muddy flow disposal system which comprises a 65-meter thickener used for treating magnetic separation tailings, and underflow of the 65-meter thickener is provided for bulk flotation equipment; the 65-meter thickener overflow weir is used for introducing overflow water of the 65-meter thickener; the 53m thickener is used for introducing the overflow water into an overflow weir of the 65m thickener; the filling or filter pressing device is used for introducing underflow of the 53m thickener; the overflow weir of the 53-meter thickener is used for introducing overflow water of the 53-meter thickener; the collecting water tank is used for introducing the overflow water in the overflow weir of the 53-meter thickener; the high-level water tank introduces water in the water collecting tank through a high-pressure water pump; and the flocculating agent device is used for providing a flocculating agent for the 53-meter thickener. And the effect of settling the argillaceous ore pulp is achieved.
Owner:ANHUI PROVINCE LUJIANG LONGQIAO MINING

Seed soaking and germination accelerating device based on agricultural grain planting machinery

The invention relates to the technical field of seed soaking and germination accelerating devices, and discloses an agricultural grain planting machinery-based seed soaking and germination accelerating device which comprises a soaking bin, a supporting seat is fixedly assembled at the bottom of the soaking bin, a side door is mounted on the outer wall of the soaking bin, and a locking bolt is in threaded connection with an inner cavity of the side door. A seed gathering assembly is arranged in an inner cavity of the soaking bin. According to the seed soaking and germination accelerating device based on the agricultural grain planting machine, by arranging a collecting frame and a moving frame in an inner cavity of a soaking bin, seeds are gathered into inner cavities of the collecting frame and the moving frame, the seeds expand in the inner cavities of the collecting frame and the moving frame, and along with expansion of the seeds, driving of a contact plate is achieved, so that the contact plate moves upwards; a driving plate is driven, so that a piston plate moves along the inner wall of a connecting cylinder, a push switch is triggered, a user is reminded that the expansion volume of the seeds meets the requirement, the seeds are taken out in time, and excessive expansion of the seeds is avoided.
Owner:HUNAN ZHIBAOTANG TRADITIONAL CHINESE MEDICINE TECH CO LTD

Construction waste recycling and recovery equipment

The application discloses a kind of construction waste recycling and recycling equipment, it is related to waste processing field, including base and installation cover, the installation cover is arranged above the base, the inside of the installation cover is provided with the filter residue cylinder of horizontal type, and the left and right ends of filter residue cylinder are open structure design, and the left side of filter residue cylinder is provided with feeding mechanism, garbage is transported from outside to the inside of filter residue cylinder, the outside of the filter residue cylinder is provided with first drive mechanism.The construction waste recycling and recycling equipment can be sorted by the setting of filter residue cylinder The primary processing of garbage, separate the small particle size garbage such as waste residue in the garbage, so that it is collected alone, and the filter residue cylinder is horizontal structure, screening is carried out by rotating, it is not easy to block, and garbage can be transported by cooperating with spiral conveying plate during screening, and the precipitate and floating matter in the garbage are separated by cooperating with liquid separation chamber, so that different properties of material can be quickly separated.
Owner:SHANGHAI SHENPU CONSTRUCTION DEVELOPMENT CO LTD

Tea leaf cleaning device

The invention relates to the technical field of cleaning devices, in particular to a tea leaf cleaning device. The device comprises a water tank, an impurity removal assembly and a mesh belt are arranged on the inner wall of the water tank, a water pipe is fixedly connected to the upper end of the water tank, a spray head is fixedly connected to the lower end of the water pipe, the impurity removal assembly comprises a first mesh plate fixedly connected to the inner wall of the water tank, and a second mesh plate is arranged on the inner wall of the water tank; a pressing net plate is arranged between the first net plate and the second net plate, handles are fixedly connected to the two sides of the upper end of the pressing net plate, and by arranging the impurity removing assembly, when tea branches in tea leaves are removed, workers pour the tea leaves into an area formed by the first net plate, the second net plate and the water tank, then the handles are dragged, the pressing net plate presses the tea leaves downwards, and the tea leaves are removed; tea branches in the tea leaves emerge from meshes of the pressing net plate due to buoyancy and then are removed, so that the effect of removing the tea branches in the tea leaves is achieved as far as possible.
Owner:婺源县林香实业有限公司

Method for investigating and optimizing feeding position of short-stroke spiral chute

The invention provides a short-stroke spiral chute feeding position investigation and optimization method, which comprises the following steps of: constructing an accurate spiral chute geometric model, investigating the influence of a feeding position on a spiral chute sorting numerical test result by adopting a high-precision numerical simulation method and referring to field production materials and operation parameters, and optimizing the feeding position of the spiral chute according to the influence of the feeding position on the spiral chute sorting numerical test result. And comparing process parameters such as flow film thickness, secondary circulation, Reynolds number and particle space distribution and technical index differences such as concentrate grade, yield and recovery rate, and meanwhile, carrying out actual test verification. The limitation of research and development of traditional spiral chute equipment is broken through; a high-precision numerical model, a multi-factor investigation strategy and an actual separation verification test are integrated, and an ore feeding position optimization method is provided; aiming at the properties and working conditions of different to-be-sorted materials, theoretical and technical supports are provided for efficient optimal configuration of the feeding position of the short-stroke spiral chute, reference is provided for quality improvement and efficiency improvement of production practice, and remarkable innovativeness, practicability and application and popularization value are achieved.
Owner:NORTHEASTERN UNIV CHINA

Method for efficiently extracting and recovering valuable elements from tailings

The invention discloses a method for efficiently extracting and recovering valuable elements from tailings. The method comprises the steps of gradient crushing-morphology separation, rotational flow reselection-flotation coupling, enhanced alkaline leaching, biological oxidation-acid leaching collaboration, membrane electrolysis enrichment, extraction resin deep recovery and tail water zero discharge treatment. According to the method, metal is pre-enriched through gradient crushing-morphology separation; after rotational flow classification, minerals of different size fractions are recycled through gravity separation and flotation; metal with different chemical forms is dissolved through three-stage synergism of alkaline leaching, biological oxidation and acid leaching; selective deposition of valuable metal in the solution is realized through membrane electrolysis; adsorbing and recovering rare earth by using extraction resin; and tail water closed-loop treatment. According to the method, the aim of multi-element collaborative recovery is achieved, meanwhile, the recovery rate of coarse-grain gold is increased, meanwhile, high-temperature roasting is replaced with biological oxidation, energy consumption is reduced, full recycling of waste water can be achieved, and the method is quite suitable for efficient recovery of valuable elements in metal mine tailings.
Owner:HEILONGJIANG LONGXIANG ENGINEERING SURVEY CO LTD

Fluoride-free strong-acid-free reverse flotation method for extracting high-purity quartz sand flotation product from granite pegmatite

The invention discloses a fluoride-free strong-acid-free reverse flotation method for extracting a high-purity quartz sand flotation product from granite pegmatite, and belongs to the technical field of mineral flotation. The method comprises the following steps: carrying out graded crushing and ore grinding on granite pegmatite to obtain slurry to be treated; carrying out wet magnetic separation on the to-be-treated slurry to obtain ore pulp after magnetic separation and magnetic-containing minerals; the pH value of the ore pulp is not adjusted, reverse flotation is carried out in the presence of a quartz mixed inhibitor, and a feldspar product and a quartz product are obtained; the quartz mixed inhibitor is a combination of a component A and a component B, wherein the component A is selected from at least one of sodium metasilicate, sodium tripolyphosphate, sodium hexametaphosphate, carboxymethyl cellulose and salinized water glass; the component B is selected from at least one of guar gum, Arabic gum, sodium humate and citric acid. The method is free of fluorine and strong acid, green and efficient, and is a method for preparing high-purity quartz sand from pegmatite with high industrial application feasibility.
Owner:CENT SOUTH UNIV +1

Sorting method for aluminum electrolysis anode scrap fine particulate matter

The invention provides a sorting method for aluminum electrolysis anode scrap fine particles, and belongs to the field of solid waste treatment. The method comprises the steps that the aluminum electrolysis anode scrap fine particulate matter is subjected to first-stage screening classification, and first-stage oversize products and first-stage undersize products are obtained; the first-section oversize product is subjected to first dense medium cyclone separation, and first gravity separation refined carbon and first gravity separation tailings are obtained; the first-section screen underflow is subjected to first spiral chute separation, and first refined carbon and first tailings are obtained; the first gravity separation tailings are subjected to second dense medium cyclone separation, and second gravity separation cryolite concentrate and second gravity separation tailings are obtained; the first tailings are subjected to second spiral chute separation, and second cryolite concentrate and second tailings are obtained; and the first gravity concentration refined carbon and the first refined carbon are combined to obtain refined carbon, and the second gravity concentration cryolite concentrate and the second cryolite concentrate are combined to obtain cryolite concentrate. According to the method, a reselection process more adaptive to the physical property of the anode scrap is introduced, and efficient separation of carbon-ash and cryolite-ash is achieved through the material density difference.
Owner:ZHENGZHOU NON FERROUS METALS RES INST CO LTD OF CHALCO +1

Energy-saving variable-frequency speed-regulating ball mill for realizing narrow-fraction ore grinding

The utility model discloses an energy-saving variable-frequency speed regulation ball mill for realizing narrow-fraction ore grinding, and belongs to the technical field of ball mills. The output end of the cylinder body is provided with an ore discharge chute, the surface of the ore discharge chute is provided with a grading chute, the bottom of the grading chute is provided with a demagnetizing elbow, the output end of the demagnetizing elbow is provided with a fine-fraction electronic scale, and one side of the fine-fraction electronic scale is provided with a coarse-fraction electronic scale; and recovery chutes are arranged at the output ends of the coarse-fraction electronic scale and the fine-fraction electronic scale. According to the utility model, after the ore discharge chute and the grading chute are used for sampling at regular time and the demagnetizing elbow is used for eliminating residual magnetism of ore discharge products, coarse and fine fuzzy grading is completed on the electronic scale by utilizing the high flow rate of ore pulp and the inertia and sedimentation characteristics of minerals with different size fractions; and only the proportions of the coarse and fine fractions of the ore grinding products in different time periods are compared, so that the ore grinding effects in different time periods are judged, and other parameters are adjusted to stabilize production.
Owner:ANHUI MASTEEL MINING RESOURCES GRP NANSHAN MINING CO LTD +1

Intelligent washing and sorting equipment for sand grading

The utility model relates to the technical field of screening equipment, in particular to intelligent washing and sorting equipment for sand grading, which comprises a washed sand grading bin, a feeding device and a material guide bin, the feeding device comprises a plurality of feeding channels, a plurality of material guide grooves are arranged in the material guide bin, and the feeding channels are communicated with the material guide grooves. A feeding channel is correspondingly arranged above each guide groove, each feeding channel is composed of a plurality of feeding openings extending in the horizontal direction of the bottom of the guide bin, and the positions of the feeding openings in the adjacent feeding channels are arranged in a staggered mode. According to the intelligent washing and sorting equipment for sandy soil grading, the feeding channels and the material guide grooves are correspondingly arranged, batching adjustment is facilitated, multi-stage configuration can be achieved through the material guide nozzles, feeding ports in all the channels are arranged in a staggered mode, the situation that multiple-port discharging is carried out at the same position, and material grabbing or insufficient feeding is avoided can be avoided, and meanwhile the working efficiency is improved. Due to the fact that the feeding ports are arranged separately, the discharging speed can be increased, and the discharging ports are prevented from being blocked.
Owner:FUJIAN SOUTHERN HIGHWAY MECHANICAL CO LTD

A tailings processing system, method and ore processing system

The application discloses a tailing treatment system, a tailing treatment method and an ore treatment system. The tailing treatment system comprises a tailing thickener and first, second, third and fourth lines for tailing transportation. The first line and the second line are arranged in parallel between coarse-grained tailing sources and a feeding port of the tailing thickener, and the third line and the fourth line are arranged in parallel between a discharging port of the tailing thickener and an underground filling system. A first valve is arranged on the first line, a second valve and a first sand dredger are arranged on the second line, a third valve and a second sand dredger are arranged on the third line, and a fourth valve is arranged on the fourth line. The technical scheme of the application realizes stable adjustment and control of tailing quantity of a beneficiation plant according to changes in properties of mined ores and a demand quantity of underground tailing filling, so that the tailing quantity is matched, and balance of mining and beneficiation production is ensured.
Owner:SHOUGANG LUANNAN MACHENG MINING CO LTD

Steady-state rectification coarse slime separation device

The utility model discloses a steady-state rectification coarse slime separation device which comprises a product separation and collection area. The product sorting and collecting area is divided into a gangue collecting tank, a clean coal collecting tank and a fine coal slime collecting tank by a first partition plate and a second partition plate; discharge holes are formed in the bottoms of the gangue collecting tank, the clean coal collecting tank and the fine coal slime collecting tank; and a control valve is mounted on each discharge hole. The method has the advantages that under the action of laminar steady-state water flow, gangue particles are high in settling speed and first settle to the gangue collecting tank; coarse coal slime particles settle slowly and sink gradually in a layered mode after gangue particles settle and are separated, coarse coal slime particles overflow from the first partition plate to the clean coal collecting tank to be settled and collected, fine coal slime settle at the relatively slowest speed and overflow to the fine coal slime collecting tank through the second partition plate, and therefore the stable state that materials with specific particle sizes are separated according to density is formed. Therefore, gangue particles, coarse coal slime and fine coal slime are separated and collected in different areas, and the separation process is completed.
Owner:中天合创能源有限责任公司

Rice processing impurity and stone removing device

The utility model discloses a rice processing removes the impurity and removes the stone device relates to rice processing field, aims at solving the problem that the existing impurity removing and stone removing device will appear the problem of stone residue through the mode of vibrating screen stone, and its technical scheme main points are: including the placement cylinder, a plurality of electric push rod no.
Owner:JIANGXI SENRONGYUAN AGRICULTURAL SCIENCE & TECHNOLOGY SERVICE CO LTD

Wheat-steeping ventilation overflow wheat-water separation water-saving device

The utility model discloses a wheat-steeping ventilation overflow wheat-water separation water-saving device, which relates to the technical field of beer manufacturing equipment and comprises a wheat-steeping tank body, a separation component and a blanking groove body, a protection plate is arranged on the wheat steeping tank body, connecting frames are arranged on the inner wall of the protection plate, the connecting frames are evenly distributed in the circumferential direction with the protection plate as the circle center, the number of the connecting frames is multiple sets, and mounting rings are arranged between the multiple sets of connecting frames; the separation assembly is arranged on the barley steeping tank body and is used for separating barley from barley water in a use state; and the blanking groove body is arranged on the wheat steeping tank body. According to the utility model, the separation assembly is arranged, so that solid particles such as barley can be effectively intercepted in the barley steeping tank body in the overflow process and are prevented from flowing out along with water, more thorough wheat-water separation can be realized, and the separation efficiency is improved; and fluid dynamic characteristics in the wheat steeping tank body can be optimized, so that water flow is smoother, and meanwhile, the possibility that wheat is brought out by the water flow is reduced.
Owner:DALIAN XINGZE MALT PROCESSING CO LTD +1