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652results 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

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

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

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

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

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

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

Curve powder selecting machine and powder selecting system

The utility model relates to the technical field of screening of materials such as petroleum fracturing sand and metal crushing separated objects, in particular to a curve powder concentrator and a powder concentrating system, which comprise a powder concentrator body in a broken line pipeline shape and a feed pipe fixed on the side wall of the powder concentrator body, and a distributor is mounted at the top of the feed pipe. A plurality of partition plate faces which are sequentially and continuously turned are arranged in the powder concentrator body in the height direction, a first air locking valve for preventing air in the powder concentrator body from being discharged out of the feeding pipe is installed in the feeding pipe, an air outlet pipe is fixed to the top of the powder concentrator body, and an air inlet pipe arranged in the horizontal direction is fixed to the bottom of the powder concentrator body. A discharging pipe is fixed to the bottom of the air inlet pipe and communicates with the bottom of the powder concentrator body, coarse particle materials in the powder concentrator body are discharged out of the discharging pipe, and a second air locking valve is installed in the discharging pipe. According to the utility model, the technical effect that coarse particles and fine particles in the materials can be easily separated by adopting a manner of winnowing and scrubbing the materials for multiple times is achieved.
Owner:JINLU (TANGSHAN) INTELLIGENT EQUIP CO LTD

Internal circulation ultrafine grinder

The invention discloses an internal circulation ultrafine grinder. The internal circulation ultrafine grinder comprises an ultrafine grinding device, a cyclone circulation device and a cooling device, the superfine grinding device comprises a machine table, a grinding mechanism, a feeding mechanism and a cyclone separation barrel, the grinding mechanism comprises a driving motor, a grinding bin and a grinding disc, a feeding port and a discharging port are formed in the two sides of the grinding bin respectively, the feeding port is connected with the feeding mechanism, and the discharging port is connected with the cyclone separation barrel; the cyclone circulating device comprises a cyclone cooling cylinder, a cyclone generating mechanism and a receiving cylinder, an air inlet and a first air outlet are formed in the upper end and the lower end of the cyclone cooling cylinder respectively, a second air outlet is formed in the upper end of the cyclone separating cylinder, an air suction port is formed in the feeding mechanism, and the air inlet is connected with the second air outlet through an air outlet connecting pipe; the air suction port is connected with the first air outlet through an air return connecting pipe. Exhaust gas generated in the crushing process returns to the superfine crushing device after being cooled, and is not directly exhausted outwards, so that not only is the production cost lower, but also more energy-saving and environment-friendly effects are achieved.
Owner:WENZHOU DINGLI MEDICAL APP & INSTR

Movable positive plate sorting production line

The utility model discloses a movable type positive plate sorting production line which comprises a compartment body, and a smashing assembly and a sorting assembly are arranged in the compartment body. The crushing assembly comprises a crusher body, the output end of the crusher body is connected with a cyclone collector, and the solid output end of the cyclone collector is connected with an unloader; according to the utility model, a compartment type structure is adopted, so that flexible deployment in different areas is facilitated, hoisting and loading transportation can be carried out through a hoisting hook during deployment, the transportation cost is effectively reduced, and the renting cost of a site is effectively saved due to the use of the occupied space of the compartment type structure; the production line adopts a compartment type structure, has sealing, sound insulation and heat insulation functions and is combined with negative pressure dust removal equipment to effectively reduce dust and noise generated in the production process, the high-noise working environment is solved, and the safety of workers in the production process is improved; and various requirements of high efficiency of a production line, cleanness of a workshop and a working environment, safety production and the like are met.
Owner:ZHOUHAN NEW ENERGY TECH DEV (ANHUI) CO LTD

Powder stage treatment system device and process method

InactiveCN119951751ASievingScreening
The invention provides a powder staged treatment system device and a process method. The grading treatment system device comprises a grading device and a conveying device; the grading device comprises a first-stage vibration screening device, a second-stage vibration screening device and a wind power separation device which are connected in sequence in the powder moving direction; the first-stage vibration screening device and the second-stage vibration screening device are each internally provided with an annular ultrasonic vibration net cleaning device and a gas power device. And the conveying device is used for conveying the graded powder and then acts on a target object. By combining mechanical classification, pneumatic classification, wind power separation and ultrasonic vibration net cleaning technologies, accurate classification of powder is achieved, the requirements for narrow granularity and high boundary precision of ultrafine particle size distribution are met, meanwhile, the powder particles are complete in morphology in the screening process, and efficient conveying is achieved.
Owner:CHINA MACHINE KAIBO SURFACE TECHNOLOGY (JIANGSU) CO LTD

Energy-gathering ultrasonic scrubbing device, and intensive desliming system for argillaceous sandstone uranium ore

An energy-gathering ultrasonic scrubbing device includes a scrubbing cylinder, a reverse stirring system, an energy-gathering ultrasonic vibrator and a slurry storage tank. The reverse stirring system is located inside the scrubbing cylinder. It includes a rotating shaft and at least four layers of reverse stirring blade structures arranged in an axial direction of the rotating shaft. Each layer of reverse stirring blade structure includes several blades arranged in a circumferential direction of the rotating shaft. Inclination directions of blades of two adjacent layers relative to the rotating shaft are opposite. The energy-gathering ultrasonic vibrator includes an ultrasonic transducer and an energy-gathering vibration transmitting rod. The ultrasonic transducer is fixed outside of the scrubbing cylinder. The energy-gathering vibration transmitting rod is connected to the ultrasonic transducer and located inside the scrubbing cylinder. A discharge port of an overflow residue discharge pipe is directly guided to the slurry storage tank.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI

Efficient collecting device for zinc chloride production

The invention relates to the technical field of zinc chloride production, in particular to an efficient collecting device for zinc chloride production, which comprises a cyclone separator main body, a conveying pipe is fixedly arranged at the bottom end of the cyclone separator main body, a uniform discharging mechanism is fixedly connected to one end of the conveying pipe, and a treatment box is fixedly connected to the outer wall of the conveying pipe; an iron separation base is arranged in the treatment box in a rotating connection mode, a material blocking frame is arranged on one side of the iron separation base, a material scraping mechanism is arranged in the material blocking frame in a rotating connection mode, and an auxiliary separation mechanism is fixedly connected to the inner wall of the bottom end of the treatment box. When the spiral conveying rod rotates to convey the zinc chloride powder collected by the cyclone separator main body, the iron separation seat can be driven to rotate, so that more thorough separation of iron impurities is facilitated, and the product quality can be improved by effectively removing the iron impurities in the zinc chloride powder.
Owner:WEIFANG HENGFENG ZINC IND CO LTD

Heavy metal contaminated soil rotational flow crushing grading reduction and enhanced elution method and heavy metal contaminated soil rotational flow crushing grading reduction and enhanced elution system

The invention relates to the field of soil remediation in environmental protection, in particular to a heavy metal contaminated soil rotational flow crushing grading reduction and enhanced elution method and system. The method comprises the following steps: carrying out first-stage rotational flow crushing pre-sequencing classification or multi-stage rotational flow crushing pre-sequencing classification on heavy metal polluted soil with the particle size of less than 0.2 mm after vibratory screening until the heavy metal content of underflow soil reaches the standard, and premixing overflow generated by all classification and leacheate in a material tank; the formed mixed material is divided into underflow and overflow after being subjected to rotational flow intensified elution, the underflow and the overflow after being subjected to rotational flow intensified elution are introduced into the material tank, and the underflow after being subjected to rotational flow intensified elution is filtered and dehydrated after the content of the heavy metal in the soil in the material tank reaches the standard, so that the soil with the heavy metal reaching the standard is obtained. Agglomerated soil particles are dispersed into coarse particles with low heavy metal content and fine particles with high heavy metal content through rotational flow crushing, pre-sequencing and grading, the amount of soil needing to be leached is reduced, and the polluted soil reaches related standards after being treated.
Owner:SHANGHAI UNIV

Method for grinding and separating sefstromite

The invention discloses a sefstromite grinding and selecting method which comprises the following steps: performing coarse grinding and selecting on a sefstromite raw material to separate out fine-grained ilmenite and coarse grinding and selecting weak magnetic concentrate; carrying out spiral-flow type grading on the coarse grinding and separation weak magnetic concentrate, carrying out fine grinding on a sand setting product obtained by spiral-flow type grading, and carrying out spiral-flow type grading on an obtained ore discharging product again; an overflow product obtained through spiral-flow type grading is graded through a high-frequency screen, and an oversize product of the high-frequency screen is subjected to superfine grinding; mixing the ore grinding product obtained by superfine grinding with the undersize product of the high-frequency sieve, and performing primary separation to obtain primary separation section weak magnetic concentrate and primary separation section weak magnetic tailings; and elutriating the weak magnetic concentrate in the primary separation section to obtain the vanadium-titanium-iron concentrate. According to the vanadium-titanium-iron ore grinding separation method, the cost of the vanadium-titanium-iron ore concentrate purification process can be reduced, the product quality of the vanadium-titanium-iron ore concentrate is improved, and efficient recovery of the vanadium-titanium-iron ore concentrate is achieved.
Owner:PANGANG GROUP MINING CO LTD

Highly efficient dust removal device with adaptive control of circulating air volume

Provides a highly efficient dust removal device with adaptive control of circulating air volume. [Solution] The system includes a multi-cyclone having a plurality of chambers therein, the plurality of chambers are arranged side by side and parallel to the airflow direction, an inlet control valve 5 is provided at the intake end of the chamber, an outlet control valve 7 is provided at the exhaust end of the chamber, an inlet actuator 4 is electrically connected to the inlet control valve 5, and an outlet adjuster is electrically connected to the outlet control valve 7, an anemometer 2 is provided in the intake duct of the multi-cyclone to monitor the wind speed of the exhaust gas in the intake duct, the anemometer 2, the inlet adjuster and the outlet adjuster are all electrically connected to a control center 3, the anemometer 2 transfers the wind speed data to the control center 3, wherein the control center 3 controls the inlet control valve 5 via the inlet adjuster and the outlet control valve 7 via the outlet adjuster based on the obtained wind speed data to adjust the opening degree of the plurality of chambers respectively.
Owner:INSTITUTE OF PROCESS ENGINEERING CHINESE ACADEMY OF SCIENCES

A device and method for continuous automated production of micro-nano metal powders

The present invention discloses a continuous automated production device for micro-nano metal powder and a method thereof. The present invention comprises an ultrasonic atomization system, a high-temperature pyrolysis system, a product collection system and an exhaust gas treatment system connected in sequence; the product collection system comprises a physical separation device and an electrostatic-magnetic field coordinated adsorption device; the electrostatic-magnetic field coordinated adsorption device comprises an electrostatic collection device and a magnetic field adsorption device arranged outside the electrostatic collection device; the electrostatic collection device comprises a positive electrode electric field arrangement mechanism and a negative electrode electric field arrangement mechanism, the positive electrode electric field arrangement mechanism is arranged inside the cylindrical inner cavity of the negative electrode electric field arrangement mechanism; the positive electrode electric field arrangement mechanism comprises a trunk and a plurality of positive electrode sheets distributed along the trunk axial direction. The present invention collects metal powders by means of physical separation, high-voltage static electricity and magnetic field coordination, effectively solving the problem that nano- and micron-level fine powders are easy to leak and difficult to collect, improving the collection rate of powders, and ensuring the effective recycling of products.
Owner:ZHEJIANG UNIV OF TECH

Sea sand cleaning system based on micro-nano bubbles

The utility model discloses a sea sand cleaning system based on micro-nano bubble, including micro-nano bubble generating device, sand-water mixing device, slurry pump, whirlcone, delivery pipeline and screening device, micro-nano bubble generating device is provided in the one side of sand-water mixing device, the sand-water mixing device passes through the slurry pump and is communicated with whirlcone, the delivery pipeline passes through the whirlcone, the delivery pipeline passes through the delivery pipeline, the screening device passes through the delivery pipeline, the delivery pipeline passes through the delivery pipeline, the delivery pipeline passes through the delivery pipeline. The screening device is arranged below the swirler, and the micro-nano bubble generating device, the sand-water mixing device, the slurry pump and the swirler are sequentially communicated through a conveying pipeline; through mutual cooperation of the micro-nano bubble generating device, the sand-water mixing device, the slurry pump, the cyclone, the conveying pipeline and the screening device, sea sand is cleaned by utilizing the characteristics of micro-nano bubbles, and chloride ions, pollutants and the like attached to the surface, tiny gaps and deep layers in the sea sand are stripped out, so that the efficient and sufficient cleaning effect is achieved.
Owner:广州明日行动科技有限公司