Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

877results about "Vortex flow apparatus" patented technology

Water conservancy construction drainage device

The water conservancy construction drainage device comprises a slag collecting cylinder, an outer cylinder, an inner cylinder and a connecting cylinder, the inner cylinder is fixed to the top of the inner wall of the outer cylinder and coaxially arranged, the connecting cylinder is a circular truncated cone cavity and fixed to the bottom of the outer cylinder, the connecting cylinder is fixed to the top of the slag collecting cylinder, and spiral flow guide fins are arranged on the inner wall of the outer cylinder; a fixing ring is fixedly connected to the position, close to the top, of the surface of the outer cylinder, a water inlet is fixedly connected to the top of the fixing ring and is of a gradually-shrunk flow guide structure, one end of the water inlet extends into the outer cylinder in the tangential direction, and the bottom of the isolation cylinder communicates with a filter cylinder which is obliquely installed at the bottom of the isolation cylinder. One side in the filter cartridge is communicated with a sand collecting box, and a plurality of layers of self-adaptive filter screens are arranged in the filter cartridge. The drainage device for water conservancy construction relates to the technical field of water conservancy drainage, and can reduce blockage of the filter screen, improve the filtering effect, prevent fine silt from entering the pump body and ensure smooth drainage at the same time.
Owner:GANSU SHENGSHI WANYUAN CONSTRUCTION CO LTD

Desliming device for mining and beneficiation operation

The invention discloses a desliming device for mining and beneficiation operation, and relates to the technical field of mineral engineering, in particular to a desliming device for mining and beneficiation operation, which comprises a main machine body, a U-shaped groove is attached and connected to the top of the main machine body, and a flow dividing box is arranged at one end of the main machine body; and a hydrocyclone is arranged between the main machine body and the flow dividing box. According to the desliming device for mining and beneficiation operation, fine separation of minerals with different densities and particle sizes is achieved through stirring of the U-shaped groove, screening of the sieve plate, separation of the hydrocyclone and extrusion of the mesh belt, the desliming quality is improved, finally, final solid-liquid separation is achieved through relative movement and extrusion of the upper mesh belt and the lower mesh belt, and the desliming efficiency is improved. By means of the device, it is ensured that substances in different phase states are separated and treated according to an expected mode, the convenience and the environmental protection property of subsequent treatment are improved, the problem that silt is difficult to clean in traditional equipment is solved through the convenient cleaning mode of all the parts, and the fault risk and secondary pollution caused by silt residues of the equipment are reduced.
Owner:QINGHAI HONGXIN MINING CO LTD

Continuous automatic production device and method for micro-nano metal powder

The invention discloses a continuous automatic micro-nano metal powder production device and method. The continuous automatic micro-nano metal powder production device comprises an ultrasonic atomization system, a high-temperature pyrolysis system, a product collection system and a tail gas treatment system which are sequentially connected. The product collection system comprises a physical separation device and an electrostatic-magnetic field synergistic adsorption device; the electrostatic-magnetic field synergistic adsorption device comprises an electrostatic collection device and a magnetic field adsorption device arranged on the outer side of the electrostatic collection device. The electrostatic collection device comprises a positive electrode electric field arrangement mechanism and a negative electrode electric field arrangement mechanism, and the positive electrode electric field arrangement mechanism is arranged in a cylindrical inner cavity of the negative electrode electric field arrangement mechanism; the positive electric field arrangement mechanism comprises a trunk and a plurality of positive electrode plates distributed in the axial direction of the trunk. Metal powder is collected in a physical separation, high-voltage static electricity and magnetic field cooperation mode, the problems that nanoscale and micron-sized fine powder is prone to leakage and difficult to collect are effectively solved, the powder collection rate is increased, and effective recycling of products is ensured.
Owner:ZHEJIANG UNIV OF TECH

Surface cleaning apparatus

A hand vacuum cleaner has an airflow path from a dirty air inlet to a clean air outlet and an air treatment member provided in the airflow path. The air treatment member has a front end, a rear end, and a centrally positioned longitudinal axis extending between the front and rear ends. The hand vacuum cleaner further has a pistol grip handle and a motor and fan assembly. The motor and fan assembly has a volume and a motor axis of rotation. At least 50% of the volume is positioned in the pistol grip handle.
Owner:OMACHRON INTELLECTUAL PROPERTY INC

Particle size controllable drying system of aluminum hydroxide for aluminum fluoride production

The utility model discloses a material drying system, and particularly relates to an aluminum hydroxide particle size-controllable drying system for aluminum fluoride production, which is structurally characterized in that a discharge port of an aluminum hydroxide feeder is connected with a feed port of an airflow drying pipe connected with hot air, and a discharge port of the airflow drying pipe is communicated with a feed port of a primary cyclone; a dust outlet in the upper portion of the first-stage cyclone is connected with the second-stage cyclone, a discharge port of the first-stage cyclone is connected with the filter sieve, a discharge port of the filter sieve is connected with the cooler, an air inlet of the cooler is connected with the fluidization fan, a dust outlet in the upper portion of the cooler is connected with the second-stage cyclone, and a discharge port of the cooler is connected with the aluminum hydroxide finished product bin. And a discharge hole of the second-stage cyclone is connected with the fine material bin. According to the utility model, the problems of high loss, low yield, easiness in blockage of the fluidized bed and poor product quality in the aluminum fluoride production process caused by overlarge or oversmall aluminum hydroxide granularity are solved, and the yield and the quality of the product are improved.
Owner:SHENYANG CREATE-UNITE IND TECH CO LTD

Fly ash treatment device for industrial solid waste incineration and solid waste treatment method

The invention discloses a fly ash treatment device for industrial solid waste incineration. The fly ash treatment device comprises a flue gas channel, a fan is arranged on the flue gas channel, and the output end of the flue gas channel is connected with the front end of a cyclone separation unit; a spraying unit is arranged at the lower end of the rear half section of the cyclone separation unit, the lower end of the spraying unit is connected with a conveying unit, and the output end of the conveying unit is connected with the input end of a storage container; a rotary separation unit is arranged at the rear end of the cyclone separation unit; a cloth bag separation unit is arranged at the output end of the rotary separation unit, and the lower end of the cloth bag separation unit is connected with the conveying unit. Through the close cooperation and synergistic effect of the cyclone separation unit, the rotary separation unit and the cloth bag separation unit, comprehensive and efficient trapping and separation of fly ash are achieved, the fly ash collection efficiency is improved, pollution caused by the fact that fly ash escapes to the atmosphere is reduced, the comprehensiveness and thoroughness of fly ash treatment are ensured, and the fly ash treatment efficiency is improved. And the difficulty and the cost of subsequent treatment are reduced.
Owner:CHONGQING RES ACAD OF ECO ENVIRONMENTAL SCI

Cyclone solid-gas separation device

The utility model belongs to the technical field of separators, and particularly relates to a cyclone solid-gas separation device, which comprises a separation cylinder, a cyclone, a cyclone, a gas inlet and a gas outlet, and is characterized in that a feeding hole is formed in the peripheral side of the top of the separation cylinder along the tangential direction of a cylinder body; the primary collecting assembly is arranged on the inner circumferential wall of the cylindrical part of the separating cylinder; the exhaust pipe is vertically arranged in the separation cylinder, and one end of the exhaust pipe extends out of the top of the separation cylinder; the leading-in assembly is arranged on the peripheral wall of the exhaust pipe; the secondary collecting assembly is arranged in the exhaust pipe and used for solving the problems that in the actual use process of an existing cyclone type solid-gas separator, the separation effect on small-particle and light-weight solid particles is not ideal, the small-particle and light-weight solid particles are likely to be sucked into the exhaust pipe, and the separation effect is not ideal. And a plurality of small and light solid particles are left in the discharged flue gas.
Owner:CHONGQING ZEYUAN ENERGY CO LTD +1

Composite multi-process cement grinding system and process and cement production method

The invention relates to the technical field of cement production and manufacturing, aims at solving the problems that an existing grinding system is single in function and cannot have multiple cement grinding processes at the same time, and provides a composite multi-process cement grinding system and process and a cement production method. Wherein the composite multi-process cement grinding system comprises a roller press grinding system and a ball mill grinding system, and the composite multi-process cement grinding process comprises three grinding processes, namely a combined grinding process, a semi-final grinding process and a final grinding process; the cement production method comprises the following steps: separately grinding clinker and a mixed material by using two sets of cement grinding systems, and then mixing by using a mixing system to obtain a finished product. According to the invention, the limitation of a single grinding system is broken through, the operability of the system is improved through an ingenious switching means, and the advantages and functions of production through one system and coexistence of multiple technological processes are realized.
Owner:CHENGDU DESIGN & RES INST OF BLDG MAT IND CO LTD

Cleaning, screening, and filling device for sealing sand for high-temperature annealing annular furnace

PCT designated stage expiredWO2025035913A1Furnace componentsVortex flow apparatusBogieMaterials science
A cleaning, screening, and filling device for sealing sand for a high-temperature annealing annular furnace, comprising: a rotary folding mechanical arm (1), adapted to rotate to implement switching among the positions of a plurality of bogie masonries of an annular furnace; a sand suctioning system (2), used for negative-pressure suctioning of sealing sand at the position of a bogie masonry of the annular furnace; an automatic screening system (3), communicated with the sand suctioning system (2) and used for automatically screening the sealing sand from the sand suctioning system (2); a sand filling system (4), used for filling each bogie masonry with the sealing sand, wherein the outlet of the automatic screening system (3) can be communicated with a feeding funnel (413); and a remote controller.
Owner:CERI PHOENIX INDAL FURNACE CO TD +1

Jet mill capable of removing static electricity and method for pulverizing sulfide-based solid electrolyte using same

The jet mill capable of removing static electricity according to the present invention is characterized in that: when a raw material is fed into a hollow grinding main body through a predetermined feeding pipe from a feeding part, and the raw material fed into the grinding main body is filled to a certain height or more, the static electricity is removed; the raw materials collide with each other and are pulverized by strong jet air jetted from an air nozzle provided in the grinding body, and the jet mill removes static electricity inside the grinding body by grounding an upper portion and a lower portion of the grinding body.
Owner:ECOPRO BM CO LTD

Energy-gathered ultrasonic scrubbing device and deep desliming system for argillaceous sandstone uranium deposit

The invention discloses an energy-gathered ultrasonic scrubbing device and an argillaceous sandstone uranium deposit deep desliming system. The energy-gathered ultrasonic scrubbing device comprises a scrubbing barrel, a reverse stirring system, an energy-gathered ultrasonic vibrator and a slurry storage tank, the reverse stirring system is located in the scrubbing barrel and comprises a rotating shaft and at least four layers of reverse stirring blade structures arranged in the axial direction of the rotating shaft, each layer of reverse stirring blade structure comprises a plurality of blades arranged in the circumferential direction of the rotating shaft, and the inclination directions of the blades of every two adjacent layers of reverse stirring blade structures relative to the rotating shaft are opposite; the energy-gathered ultrasonic vibrator comprises an ultrasonic transduction device and an energy-gathered vibration conduction rod, the ultrasonic transduction device is fixed outside the scrubbing barrel, and the energy-gathered vibration conduction rod is connected with the ultrasonic transduction device and located inside the scrubbing barrel; and the discharge hole of the overflow slag discharge pipe of the scrubbing barrel directly guides the slurry to the slurry storage tank. According to the invention, mud-sand deep separation is realized under the combined action of multi-phase flow channel high-pressure scrubbing and low-frequency high-energy ultrasonic vibration, so that deep desliming of argillaceous sandstone uranium ore is realized.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI

Ash removal device for crane beam

The utility model belongs to the technical field of ferrous metallurgy, and relates to a crane beam deashing device which is matched with a crane device for use, the crane device comprises a crane girder, a crane arranged on the crane girder and walking wheels used for walking of the crane, and the walking wheels are installed on a track. The pulse bag type dust collector and the multi-stage centrifugal fan are installed on the crane, the pulse bag type dust collector is connected with vacuum suction nozzles through a pipeline arranged on a girder of the crane, and the vacuum suction nozzles are arranged on the two sides of walking wheels; the bottom of the pulse bag type dust collector is further connected with an ash conveying pipeline quick-change connector and a nitrogen pipe quick-change connector through gate valves. According to the utility model, the vacuum suction nozzles are arranged on the two sides of the walking wheels, and the dust removal equipment is arranged on the crane girder, so that the accumulated dust of the crane girder is reduced, the labor intensity of workers is reduced, the accumulated dust of the crane girder is automatically cleaned, and the safety risk is eliminated.
Owner:CHONGQING IRON & STEEL CO LTD

Endocrine medicine crushing equipment

The utility model relates to the technical field of crushing equipment, and provides endocrine medicine crushing equipment in order to overcome the defects that in the prior art, medicine powder is likely to remain on the inner wall of a crushing knife and the inner wall of a box body, and the crushing knife needs to be taken out to be cleaned up. A filter plate is fixedly installed at the bottom in the crushing barrel, a hollow pipe is rotatably installed in the middle of the top of the filter plate, and the surface of the hollow pipe is fixedly sleeved with a crushing cutter and a stirring frame of a square structure. And compressed air passes through the stirring frame of a hollow structure and third air holes formed in the stirring frame, the outer surface of the crushing cutter can be cleaned, the crushing cutter does not need to be cleaned after being detached, and the working efficiency of equipment cleaning is improved.
Owner:ZHONGSHAN TORCH DEV ZONE PEOPLES HOSPITAL

Cyclone separator for sodium alginate production feed liquid

The invention discloses a sodium alginate production feed liquid cyclone separator, and relates to the field of separation, the sodium alginate production feed liquid cyclone separator comprises a separator body, the top of the separator body is provided with an overflow pipe, the bottom of the separator body is provided with an underflow pipe, the bottom of the underflow pipe is connected with a filter residue cylinder, the filter residue cylinder is internally nested with a mesh cylinder, and the mesh cylinder is provided with an overflow pipe. A filter box is arranged on the left side of the upper end of the separator body and comprises an upper box body and a residue collecting hopper, a feeding port is formed in the left side of the upper box body, a discharging port is formed in the right side of the upper box body, a material conveying pipe is connected to a port of the discharging port, and a filter cavity is formed in the upper box body. And a filter screen is mounted in the filter cavity. By arranging the filter box, feed liquid can be pre-filtered, a large number of impurities in the feed liquid are filtered out, then the feed liquid enters the separator body to be separated, and the liquid-slag separation effect is effectively improved.
Owner:SHANDONG JIEJING GROUP CORP

Modification method of pebble coal disposal system of medium-speed coal mill and pebble coal disposal system

The invention discloses a modification method of a pebble coal treatment system of a medium-speed coal mill and the pebble coal treatment system.The modification method comprises the steps that a pebble coal ball mill grinding system is installed on the side face of an electric dust remover, and meanwhile the pebble coal ball mill grinding system and a pebble coal negative pressure collecting system share one pebble coal raw material bin; pebble coal output by the pebble coal ball mill grinding system enters the positive-pressure pulverizing system, pebble coal powder output by the positive-pressure pulverizing system is conveyed out through the pebble coal powder dense-phase pneumatic conveying system, and the pebble coal treatment system transformed through the method can achieve pebble coal treatment.
Owner:XIAN THERMAL POWER RES INST CO LTD

Preposed pretreatment device for measuring traits of small seeds with flocs and application of preposed pretreatment device to poplar seeds

The invention discloses a preposed pretreatment device with batt small seed character measurement. The preposed pretreatment device comprises a feeding module, a seed-batt separation module, a seed collection module, a circulating switching structure and a batt treatment mechanism, a discharging hole of the feeding module is connected with a feeding hole of the seed and flocculus separation module; a seed outlet of the seed-flocculate separation module is connected with a seed inlet of the seed collection module; a batting outlet of the seed-batting separation module is connected with a circulating switching structure, and under the action of the circulating switching structure, the batting outlet is connected with a feeding port of the batting treatment mechanism and a feeding port of the seed-batting separation module; the seed-flocculate separation module is a cyclone separator; a port of a tangential feeding pipe at the upper part of the separation barrel is a feeding hole of the seed and flocculus separation module, an opening in the middle of an upper cover at the top of the separation barrel is a fluff outlet, and an opening in the bottom of the separation cone is a seed outlet; guide vanes are connected to the surface of the inner wall of the barrel of the cyclone separator; and each guide vane forms a continuous vortex channel with a helical angle of 25-35 degrees in the cylinder body.
Owner:NANJING FORESTRY UNIV

System for extracting water from lunar regolith and associated method

The system extracts water from lunar regolith and includes a regolith intake having a digging bucket that collects lunar regolith soil and a gravel separator that separates and discharges gravel and passes a mixture of ice-regolith powder having ice grains that are about 10-100 microns along the conveyor. A pneumatic separator receives the ice-regolith powder and pneumatically splits the ice-regolith powder into streams of different sized lithic fragments and ice particles per the ratio of inertial force and aerodynamic drag force of the lithic fragments and ice particles. Each split stream may include a magnetic separator that separates further the magnetic and paramagnetic lithic fragments from ice particles to discharge up to 80 percent of lithic fragments to slag.
Owner:UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION INC

Textile waste recovery device

The invention belongs to the technical field of textile, and particularly relates to a textile waste recovery device which comprises a fixing frame, the top of the fixing frame is fixedly connected with a conveying cylinder through a fixing plate, the bottom of the end, away from the fixing plate, of the conveying cylinder is fixedly connected with a discharging pipe in a communicating mode, and the bottom of the discharging pipe is fixedly connected with a smashing bin in a communicating mode. The crushing bin is fixedly connected to one side of the fixing frame; a screening mechanism is arranged on one side of the fixing frame. Through cooperation of the cyclone separator and the separation bin, crushed waste falls into the cyclone separator through the discharging pipe, the mass of rubber blocks is heavy, during cyclone separation, under the action of centrifugal force, the rubber blocks slide down through the inner wall, fibers are exhausted from the exhaust pipe along with exhausted gas, and separation of rubber block waste and fiber waste is achieved; and then through rotation of the electromagnetic rod, iron products in the rubber block waste are recycled, separation of the iron products and the rubber block waste is achieved, and the screening effect on the rubber block waste is achieved.
Owner:江苏帆顺纺织有限公司

Roadbed in-situ dust control mixing device and dust control method thereof

The roadbed in-situ dust control mixing device comprises a rainproof and dustproof device, a paving and stirring device and a track operation device, the rainproof and dustproof device comprises a unit framework, a top face telescopic frame, a stand column telescopic frame, dustproof cloth and rainproof cloth, and the dustproof cloth and the rainproof cloth are arranged through the top face telescopic frame and the stand column telescopic frame; the dustproof cloth and the rainproof cloth are regulated and controlled to cover a construction area, construction dust and rainwater are prevented from invading, and the dust mixing effect is kept; the paving and stirring device comprises a driving wheel and a stirring drum, and the driving wheel drives the stirring drum to run along the track so as to uniformly mix the soft soil and the curing agent; the track operation device is used for smooth movement of the driving wheels at all positions of the construction site. According to the roadbed in-situ dust control mixing device, three technical means of water mist dust control, rotary suction dust removal and shielding dust isolation are comprehensively applied, effective control over construction flying dust is achieved, the dust falling effect is improved, pollution to the environment is reduced, and the health of constructors is protected.
Owner:ZHEJIANG HIGHWAY & WATER TRANSPORT ENG CONSULTING GRP CO LTD

Water supply and feeding integrated device of grade elevator

The utility model discloses a water supply and feeding integrated device of a grade elevator, which comprises a water delivery main pipe, a rotational flow water supply pipe, a straight water supply pipe, a feed port, a feed hopper, a material delivery barrel, a rotational flow center water supply barrel, a straight center water supply barrel and a bearing frame, and the water delivery main pipe comprises a water delivery main pipe outer pipe and a water delivery main pipe inner pipe. A cavity is formed between the water conveying main pipe outer pipe and the water conveying main pipe inner pipe and connected with the rotational flow water supply pipe, the straight water supply pipe is connected with the water conveying main pipe inner pipe, the rotational flow water supply pipe and the straight water supply pipe are welded to the upper portion of the hopper wall of the feeding hopper, and three fixed supporting frames are welded to the outer portion of the feeding hopper. A conveying barrel is welded to the center of a bottom plate of the feeding hopper, a rotational flow water supply barrel is welded to the bottom of the conveying barrel, a straight center water supply barrel is welded to the bottom of the rotational flow water supply barrel, and a bearing frame is welded to a bottom plate of the center water supply barrel. The water consumption is reduced, the equipment sorting space is increased, and the equipment sorting effect and the concentrate recovery rate are improved.
Owner:HANDAN RUIYE MINING MASCH CO LTD

Sunflower shell sorting machine with circulating shelling mechanism

The invention belongs to the technical field of hullers, and particularly relates to a sunflower shell sorting machine with a circulating hulling mechanism, which comprises a rack, a collecting hopper is fixedly mounted on the rack, a plurality of shell breaking assemblies are mounted on the collecting hopper, and a raw material elevator, a returned material elevator and a cyclone separator are mounted on the rack. A first separating sieve and a second separating sieve are sequentially arranged below the collecting hopper, a boiling device is connected between the collecting hopper and the cyclone separator, and the raw material elevator is used for conveying sunflower seeds into the corresponding shell breaking assembly for shell breaking. Through the vortex throwing block in a special shape, the contact time of sunflower seeds and the vortex throwing block can be prolonged, it is guaranteed that the sunflower seeds can make full contact with the conical grooves, the conical grooves can fully break shells of the sunflower seeds, in the rotating process of the vortex throwing block, radial extrusion force can be provided for the sunflower seeds, and compared with a traditional throwing block, the sunflower seed shell breaking device has the advantages that the sunflower seeds can be broken more thoroughly; the shell breaking effect of the vortex throwing block is better.
Owner:BAYANNAOER CITY YONGMING MASCH MFG CO LTD

Full-size-fraction coal gasification slag in-situ carbon ash and water synergistic efficient separation method

The invention discloses a full-size-fraction coal gasification slag in-situ carbon ash water synergistic efficient separation method, which belongs to the technical field of coal chemical industry, and comprises the following steps: converting gasification fine slag and gasification coarse slag to form gasification ash water; sorting the gasified ash water to obtain high-carbon slag and high-ash slag; filtering and dehydrating the high-carbon slag and the high-ash slag; and dehydrating the dehydrated high-carbon residues and high-ash residues by adopting a high-speed rotational flow low-temperature activation method to obtain the high-carbon residues with the water content of less than 33% and the high-ash residues with the water content of less than 8%. The method is adopted at the tail end of the gasification process, and efficient in-situ carbon ash water separation of the whole-size-fraction coal gasification slag is achieved.
Owner:CHINA UNIV OF MINING & TECH +1

Waste wind driven generator blade recycling system

The invention discloses a waste wind driven generator blade recovery treatment system, and relates to the field of solid waste treatment devices.The waste wind driven generator blade recovery treatment system comprises a pretreatment system used for cutting a to-be-treated wind driven generator blade into blade blocks with the size smaller than a first size; the crushing system is used for crushing the blade blocks into blade blocks with the size smaller than the second size. The soaking system is used for soaking the leaf blocks in a preset soaking solution; the drying system is used for drying the soaked leaf blocks; the grinding system is used for grinding and crushing the dried blade blocks to generate long-strip-shaped cellosilk and resin particles with the size smaller than a third size; and the screening system is used for separating the output cellosilk and the resin particles after the grinding operation is completed, and pure cellosilk is obtained. According to the method, chemical treatment and mechanical treatment are combined, so that the fibers in the blades of the waste wind driven generator are efficiently recycled, and the mechanical property index of the recycled fibers is remarkably improved.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Ceramic glaze screening device and screening method thereof

The invention provides a ceramic glaze screening device and a screening method thereof, and belongs to the field of glaze screening devices.The ceramic glaze screening device comprises an equipment frame and a screening assembly, and the screening assembly comprises a dust raising box, a shaking screen, an elastic piece, a pull-down piece, a dust suction fan and a cyclone separator; the bottom of the dust raising box is fixedly connected with the equipment frame, the screening end of the shaking screen is slidably connected with the upper portion of the dust raising box, the pull-down end of the pull-down piece pulls down the middle of the elastic piece, and the dust suction fan and the cyclone separator are symmetrically arranged. The dust suction fan and the cyclone separator are fixedly connected with the equipment frame, the input end of the dust suction fan is communicated with the dust raising box, and the output end of the dust suction fan is communicated with one side of the cyclone separator. The uniform size of the screened ceramic glaze particles is ensured, meanwhile, the screening speed is not limited, and the screening efficiency is ensured.
Owner:DEHUA SONGYAN CERAMICS CO LTD

Beneficiation method of spodumene ore

ActiveCN119114268AControl but not grindingReduce the impact of sortingVortex flow apparatusFlotationMining engineeringAmphibole
The invention discloses a spodumene ore beneficiation method. The spodumene ore beneficiation method comprises the steps that S1, spodumene ore is ground; s2, the spodumene ore obtained through ore grinding in the step S1 is subjected to pulping; s3, desliming is conducted through a first-stage cyclone and a second-stage cyclone; s4, the ore enters a shallow slot flotation machine to be separated and removed from muscovite, biotite, amphibole and sphene, and ore pulp obtained after flotation and impurity removal is obtained; s5, the stirred ore pulp is obtained; and S6, flotation is conducted in a flotation system, and spodumene concentrate is obtained. The method is low in production cost, short in process, low in energy consumption, free of environmental pollution and low in equipment investment.
Owner:CINF ENG CO LTD

Dressing and smelting combined method for treating weathered tungsten

The invention discloses a dressing and smelting combined treatment method for weathered tungsten ore, and belongs to the technical field of mineral processing. The method comprises the following steps: carrying out rotational flow classification on weathered or semi-weathered tungsten ore to obtain fine-fraction tungsten ore and superfine-fraction tungsten fine silt; the fine-fraction tungsten minerals are subjected to flotation through a reagent system containing a metal-based colloid collecting agent, high-grade tungsten concentrate is obtained, and the high-grade tungsten concentrate enters a wet smelting process; the method comprises the following steps: selectively flocculating and settling superfine tungsten fine silt through a functional modified polyacrylamide flocculating agent to obtain low-grade tungsten concentrate, and carrying out a sodium salt roasting-water leaching process on the low-grade tungsten concentrate to obtain a sodium tungstate solution. According to the method, the tungsten element in the weathered or semi-weathered tungsten ore can be deeply enriched and recycled, clean and efficient utilization and sustainable development of tungsten ore resources are promoted, and remarkable economic benefits are achieved.
Owner:CENT SOUTH UNIV

Crystallization device for sodium sarcosinate production

The invention discloses a crystallization device for sodium sarcosinate production, relates to the technical field of crystallization devices, and aims to solve the problems that when supersaturated liquid drops make contact with the wall surface of a low-temperature gas-liquid separator, water evaporation is intensified, the solubility of solute is further reduced due to temperature reduction, crystal precipitation is accelerated under the dual action, the supersaturated liquid drops are prone to being attached to the wall of a tank in the crystallization process, and the crystallization effect is poor. In order to solve the problems that the heat exchange efficiency is influenced by scaling of a tank wall, wall-adhered crystals cannot be recycled and the yield is reduced in the prior art, an evaporator is mounted on one side of a gas-liquid separator, a cyclone separator is mounted on the other side of the gas-liquid separator, an ultrasonic disperser is mounted on one side of the cyclone separator, a membrane filter is mounted on one side of the ultrasonic disperser, and a water outlet is formed in the other side of the membrane filter. A gas-liquid separator cleaning mechanism is mounted in the gas-liquid separator, a gas-liquid separator scraping frame is mounted at one end of the gas-liquid separator cleaning mechanism, and a membrane filter cleaning mechanism is mounted in the membrane filter.
Owner:DONGYING KUNBAO NEW MATERIAL CO LTD

Preparation method of nano quartz powder

The invention discloses a preparation method of nano quartz powder, which comprises the following steps: S1, based on micro-nano silicon carbon ore as a raw material, adding the raw material into a certain amount of water, and dispersing to form slurry; s2, pumping the slurry into a vertical stirring mill for repeated ultrafine grinding until particles in the slurry reach a first threshold standard, and then forming micron-sized quartz powder slurry; s3, pumping the micron-sized quartz powder slurry into a hydrocyclone for cyclone classification; s4, the overflow slurry obtained through rotational flow classification is pumped into a bead mill to be subjected to repeated nanocrystallization grinding till a second threshold value standard is reached, and therefore a nanocrystallization grinding material is formed; s5, filtering and grading the nanocrystallization grinding material based on a nanofiltration membrane to form dialysate; and S6, drying and scattering the dialysate to obtain the nano quartz powder.
Owner:BEIJING YIXING TECH CO LTD +2

Organic solid waste treatment, metal recovery and carbon material preparation integrated device and use method thereof

The invention provides an integrated device integrating organic solid waste treatment, metal recovery and carbon material preparation and a use method of the integrated device, and belongs to the field of environmental science and engineering. The problems that the utilization rate of organic solid waste heat energy is low, the recovery rate of metal-containing waste materials is low, and the carbon yield and quality of carbon materials prepared from agriculture and forestry biomass waste are low are solved. The integrated device comprises a feeding system, a solid waste heat treatment system, a steam utilization system, a tail gas purification and recovery system, a biomass carbonization system and a metal pyrolysis and recovery system, the solid waste heat treatment system comprises a pyrolysis gasification chamber and a high-temperature cracking chamber, and the high-temperature cracking chamber is divided into a left chamber and a right chamber; the steam utilization system comprises a high-pressure steam chamber, a low-pressure steam chamber and a hot water chamber, and the tail gas purification and recovery system comprises a cyclone dust collector, a spraying denitrification and denitration chamber, a water bath purification chamber, an electrostatic dust collector and a gas collector. The method is mainly used for organic solid waste treatment, metal recovery and carbon material preparation.
Owner:JILIN SHUANGQI ENVIRONMENTAL GOVERNANCE CO LTD

Production process of high-strength rock fiber board

The invention relates to a high-strength rock fiber board production process which comprises the following steps: sequentially performing defibrating, screening and winnowing on bundled rock wool raw material bags to obtain a fiber blank and a powder blank required by board making; respectively mixing the fiber blank and the powder blank with corresponding rubber powder to obtain a fiber-rubber mixture and a powder-rubber mixture; feeding the powder and sizing material mixture and the fiber and sizing material mixture into a corresponding spreading machine, spreading according to the accurate metering of the materials, and pre-pressing and exhausting and forming in a pre-pressing machine, so as to obtain a plate blank with initial binding force; feeding the plate blank into a flexible continuous press for high-temperature and high-pressure pressing treatment to form a plate material; and carrying out edge cutting and saw cutting, surface sanding and polishing, sorting and packaging on the manufactured plate to form the high-strength rock fiber plate. The strength, the bearing capacity, the stability and the durability of the rock fiber board are improved.
Owner:ZHENJIANG ZHONGFOMA MACHINERY