1465 results about "Phencyclone" patented technology

The invention relates to the technical field of safety and environmental protection, in particular to a negative-pressure circulating explosion-control dust removal method suitable for combustible dust places, which comprises the following steps: firstly, sealing a bin body and injecting carbon dioxide-nitrogen inert gas to generate a low-oxygen environment; then, a flow guide angle-adjustable cyclone separator, a dielectric barrier discharge plasma reactor and a waste heat thermo-acoustic transducer are driven to cooperatively capture dust, and sound node amplitude synthesis capture data are obtained through compressed sensing of a microphone; inputting the environment data and the capture data into a reinforcement learning process containing a micro-thermochemistry model, and outputting instructions for adjusting negative pressure pulse, inert flow, sound field intensity and cyclone geometry; in combination with distributed radio frequency imaging data, an adversarial digital twinborn model is generated to predict explosion free energy, and automatic rollback or shutdown is carried out when the explosion free energy exceeds a threshold, so that a safe, efficient and low-energy-consumption closed loop is formed.

A hand vacuum cleaner comprises a cyclone, a conical pre-motor filter that is positioned rearward of the cyclone and a suction motor. The pre-motor filter has a front end that faces that faces towards the cyclone air outlet. The conical pre-motor filter has an open interior volume, an outer surface, which is an upstream surface of the pre-motor filter, and an inner surface, which is a downstream surface of the pre-motor filter.

The invention discloses a cyclone separator for collecting powder coating, and relates to the technical field of cyclone separators. Comprising a barrel, the outer side of the barrel is fixedly connected with a support, the outer side of the barrel is fixedly connected with a feeding pipe, a conical barrel is fixedly connected to the bottom of the barrel, a spiral plate is fixedly connected to the inner wall of the conical barrel, a spiral groove is formed in the inner wall of the conical barrel, a round hole is formed in the middle of the top of the barrel, and a supporting column is fixedly connected to the top of the barrel; the number of the supporting columns is multiple, the multiple supporting columns are evenly distributed with the discharging assembly as the center, the tops of the supporting columns are fixedly connected with a bearing plate, and the top of the bearing plate is fixedly connected with the motor. According to the cyclone separator for collecting the powder coating, a definite flowing path is provided for dust particles by arranging the spiral groove and the spiral flow guide groove, so that dust can move towards the dust discharging opening more smoothly, the accumulation and backmixing phenomena of the dust on the inner wall of the conical barrel are reduced, and the dust discharging efficiency and stability are improved.

The invention discloses a cyclone separation and moving particle bed coupled pulverized coal pyrolysis oil gas high-temperature dust removal system, and belongs to the technical field of coal clean utilization. The system comprises a cyclone separator, a fine filtration unit, a filter material cyclic regeneration unit and an intelligent control unit, the fine filtration unit comprises a particle bed, a particle bin is arranged at the top end of the particle bed, and a composite filter material layer is arranged on the particle bed; a dust-containing high-temperature oil gas pipeline and a pretreatment high-temperature oil gas pipeline are arranged at the top end of the cyclone separator, dust-containing high-temperature oil gas is introduced into the cyclone separator through the dust-containing high-temperature oil gas pipeline to be pretreated, and the pretreated dust-containing high-temperature oil gas is introduced into the particle bed through the pretreatment high-temperature oil gas pipeline to be finely filtered; and a coke breeze discharge pipe is arranged at the bottom of the cyclone separator. The invention is used for solving the technical problem of low gas-solid separation efficiency at high temperature caused by the adoption of a single filter material in the existing pulverized coal dust removal system.

The present invention relates to the technical field of chemical equipment, particularly to a porous carbon activation method, which comprises: inputting a carbon raw material and a preset reaction gas into a fluidized bed reaction device to carry out an activation reaction to prepare porous carbon, and the fluidized bed reaction device comprises a feeding tank, a raw material preheating furnace, a reactor, a heating unit and a discharging tank, a gas distributor, a stirring paddle, a cyclone separator and / or a metal filter column are arranged in the reactor; the activation method comprises the following steps: S1, conveying a carbon raw material to a raw material preheating furnace, and preheating in an inert atmosphere; s2, conveying the preheated carbon raw material into a reactor, introducing reaction gas under a preset activation condition, and carrying out an activation reaction to obtain activated porous carbon; s3, under the protection of an inert atmosphere, conveying the activated porous carbon to a discharging tank, cooling, and discharging to obtain a porous carbon product; through stepped activation and multi-section temperature control design, the problems of poor product uniformity and high energy consumption of a traditional process are solved.

A hand vacuum cleaner has a hand vacuum cleaner front end having a dirty air inlet, a cyclone and a dirt collection chamber that is external to the cyclone. The cyclone has a cyclone axis of rotation which intersects a cyclone front end and a cyclone rear end. A front door is provided which, in an open position, opens the dirt collection chamber. The front door has a first part which extends generally transverse to the cyclone axis of rotation and a second part that extends rearward at a non-zero angle to the cyclone axis of rotation and the first part.

The drying machine for sludge treatment comprises a drying cylinder, a conveying device and a waste gas treatment device, a feeding opening is formed in the top of the drying cylinder and communicates with the conveying device, a jacket is arranged on the outer wall of the drying cylinder, an electric heating wire is arranged in the jacket, and two rotating shafts are symmetrically arranged in the drying cylinder; a plurality of hollow blades are evenly welded to the side wall of each rotating shaft, the right side of the top of the drying cylinder is connected with a waste gas treatment device, and the waste gas treatment device comprises a cyclone separator and a waste gas filtering tank; generated waste gas is introduced into the cyclone separator, dust in the waste gas is separated out by utilizing centrifugal force generated by the cyclone separator, the separated gas enters the waste gas filtering tank, harmful impurities in the gas are adsorbed and filtered by the activated carbon layer, and the treated gas is discharged into the atmosphere, so that the pollution of the dust and the harmful impurities to the environment is reduced; to-be-dried sludge is heated through the inner wall of the drying cylinder, the rotating shaft and the electric heating wires in the hollow blades, the heating area is increased, and the drying efficiency is improved.

The invention relates to a chemical looping combustion variable load system based on flue gas recirculation and a control method. The system comprises a chemical looping combustion system and a flue gas recirculation system (7), the chemical looping combustion system comprises an air reactor (1), a fuel reactor (2), an AR cyclone separator (3), an FR cyclone separator (4), an AR material return device (5), an FR material return device (6), an air supply system (8) and a fuel supply system (9). By controlling the flow and temperature of recirculated flue gas of the flue gas recirculating system and cooperatively controlling the opening degree of the conical valve and the circulating flux of the system, the load of the chemical looping combustion system is flexibly adjusted, the energy consumption is reduced, the efficiency is improved, and the operation cost is reduced; and the rest high-temperature flue gas enters a flue gas treatment system to be treated, high-purity CO2 gas is obtained after heat exchange, condensation and purification, and finally efficient combustion of fuel and low-energy-consumption carbon capture are achieved.

A cone or cylindrical tube stack with narrow in-between gap circumferential surface swirling cyclone separator according to the present invention, creating swirling flow by flowing along the convex outer surface of the inner-stacked cone or cylindrical tube. The inner wall of the outer-stacked cone or cylindrical tube, which is a concave surface, serves as the wall for collecting fluid with larger or higher density particles that is opposite to the surface for swirling, which is disposed in accordance with the separation movement of larger or higher density particles that centrifuged from swirling by their inertial force. The distance that the particles travel towards the wall for collecting fluid with larger or higher density particles is short due to the narrow swirling and separating gaps, combined with the flow on the convex curved surface of the cone or cylindrical tube walls which pressure drag is low, this results in higher swirling speeds than those on the concave inner surface of conventional cyclone, significantly increasing the inertial force of particles centrifuged away from the swirling. Consequently, the separation efficiency of the cone or tube stack circumferential surface swirling cyclone separator according to the present invention is much higher than that of conventional cyclone separators. Especially in cases where the cyclone fluid separator according to the present invention is equipped with multi-stage separation, where the final stage utilizes multiple small cyclones, and in configurations where multiple cones are stacked and equipped with device for swirling and counter-flow separation, which convex fluid drainage ridges are installed on the wall for collecting fluid with larger or higher density particles, the ridges curving towards the side that the swirling flow flows to, sloping from the downstream edges of the cones or cylindrical tubes towards the upstream edges of the cones or cylindrical tubes, which counter to the swirling flow along the convex curved surface of the outer circumferential surface of cone or cylindrical tube. When working with a reverse swirling system, enabling to recycle multiple separation within the system before the fluid exits the separator, enabling high separation efficiency for separating various types of fluids mixed into emulsion or separating micron-level dust such as PM 2.5 from the air.

The invention discloses a raw material conveying device for polyaluminum chloride production and a working method. The raw material conveying device comprises a conveying pipe, a damping base, a storage tank, a fluidization anti-blocking module, a dust pumping system and a control unit. The upper portion of the conveying pipe is connected with hose discharging openings of a plurality of sets of storage tanks corresponding to the powder screening devices through star-shaped discharging valves. The bottom of the storage tank is mounted on a damping base, and a vibrator is fixedly mounted on the lower side of the storage tank; the storage tank is internally provided with a fluidization anti-blocking module which can fluidize materials through airflow so as to prevent blocking and caking; the dust suction system comprises a dust suction hood arranged at the top of a feeding pipe on the upper side of the storage tank, and the dust suction hood is connected with a cyclone separator capable of collecting dust generated in the feeding process and an induced draft fan through pipelines. The raw material conveying device for polyaluminum chloride production has the functions of effectively solving the problems of caking, blockage and dust caused by moisture absorption of materials and automatically adjusting conveying parameters according to material characteristics.

The invention discloses a device for preparing a molten carbon fertilizer through solid waste microwave pyrolysis and waste heat recovery, and belongs to the field of solid waste treatment and recycling. The device is composed of a pretreatment unit, a microwave pyrolysis unit, a gas-solid separation unit, a gas phase treatment unit, a solid phase treatment unit and a waste heat circulation unit, solid waste enters a microwave rotary kiln after being dried and crushed, a magnetron generates microwave anaerobic pyrolysis under photovoltaic power supply, and a high-temperature gas-solid product is generated; the cyclone separator is used for separating flue gas from solid carbon, the flue gas is condensed to obtain pyrolytic oil and gas, and waste heat of medium-temperature flue gas is recovered through the heat accumulating type heat exchanger for drying; cooling the solid carbon through a heat pipe heat exchanger, recovering waste heat and liquefying urea, and mixing the solid carbon and the urea in a stirring melting pool to prepare a molten carbon fertilizer; and the waste heat backflow fan sends the carbon waste heat back to the drying chamber. The system is driven by green electricity, gas and solid phase waste heat is recovered through double paths, solid waste efficient pyrolysis-product high value-energy self-circulation is achieved, and energy consumption and carbon emission are reduced.

The utility model discloses a multi-hearth circulating fluidization and activation integrated furnace device for preparing activated carbon by a physical method, and relates to the field of activated carbon preparation of an activation furnace and a waste activated carbon thermal regeneration device. The device comprises a sealed spiral conveyor, a feeding pipe, a baffling type air cap, a pneumatic conveying medium inlet, a distributing device, a discharging pipe, a discharging pipe, a material cooling machine, a top gas mixer, a cyclone separator, a material returning device, a slag discharging pipe, a gas case, a bottom gas air cap and a slag cooling machine. Through the cyclone separator, carbonaceous semi-coke particles with the particle size larger than 100 micrometers are captured, activating agent gas flow is recycled from the lower hearth to the material layer of the upper hearth through the baffling type air cap, and granular carbonaceous materials flow into the material layer of the lower hearth through the discharging pipe after being fluidized and activated from the upper hearth and are continuously fluidized and activated for product collection; the activating agent is saved, and meanwhile, the activated carbon yield of a carbonaceous raw material is increased, so that the integrated furnace device is more environment-friendly and economical.

The utility model relates to the technical field of airflow material circulation drying, and discloses an airflow material anti-caking circulation drying device which comprises an upper material bin and a lower material bin, a top cover is fixedly connected to the top of the upper material bin, and circulation anti-caking airflow drying assemblies are arranged in the upper material bin and the lower material bin. The circulating anti-caking airflow drying assembly is used for efficiently drying materials with the large moisture content and effectively preventing the materials from caking in the drying process, the circulating anti-caking airflow drying assembly comprises a cyclone separator, a stirring assembly is arranged in the discharging bin, and the stirring assembly is used for stirring the materials. According to the utility model, materials and airflow can be effectively separated through the cyclone separator, and adhesion among material particles is broken through continuous stirring of the stirrer, so that the effect of effectively preventing the materials from caking in the drying process is realized, and the problems of non-uniform drying, unstable product quality and the like caused by material caking are solved; and the material drying uniformity and efficiency are improved.

The utility model discloses a high-pressure air sand and chlorine removal system in a salt cavern compressed air energy storage system, which belongs to the technical field of energy storage and comprises a sand removal pry connected with a salt cavern injection-production tree, and a cyclone separator, a filter separator and a coalescence separator which are sequentially connected with the sand removal pry, the devices are connected through a pipeline. According to the system, high-pressure air sand removal and dechlorination are achieved, meanwhile, large pressure loss and temperature loss are avoided, the working environment of follow-up equipment can be guaranteed, the risk of corrosion and blockage is reduced, the safety and reliability of the equipment are improved, and the system is very suitable for being coupled into the energy release link of compressed air energy storage.

The furfural gas-residue separation device comprises a condensation box, an air separator and a spraying separator, a cyclone separator is connected with the spraying separator through a first air pipe, the spraying separator is connected with the condensation box through a second air pipe, the cyclone separator comprises a cyclone separation cylinder, and the cyclone separation cylinder is connected with the spraying separator through a second air pipe. A first air return pipe is arranged in the center of the upper end in the cyclone separation cylinder; the spraying separator comprises a spraying separation cylinder, an inner rotating cylinder is arranged in the spraying separation cylinder, a plurality of suspension wires are arranged at the upper end in the spraying separation cylinder and the lower end of the inner rotating cylinder, a plurality of suspension beads are arranged on each suspension wire, a second air return pipe is arranged in the center in the inner rotating cylinder, and a spraying pipe is arranged on one side of the second air return pipe; the furfural gas residues are subjected to multi-stage separation in various forms of centrifugal gravity, centrifugal spraying and shaking filtering, and layer-by-layer pushing is performed, so that the separation effect of the furfural gas residues is improved, and the purity of furfural gas is improved; in addition, in the spraying separation process, furfural gas residues can be pre-cooled at the same time, and the condensation efficiency is improved.

The invention relates to the technical field of desulfurization tower steam-water separation, and particularly discloses a steam-water separation device applied to flue gas at the tail part of a desulfurization tower of a catalytic cracking unit, the steam-water separation device comprises a steam-water separator shell which is arranged on the desulfurization tower, and also comprises a humidity sensor for detecting the water content of the flue gas; the collecting parts of the blades are connected through a rotating shaft; the first driving device is used for driving the blades to revolve along the central axis of the steam-water separator shell; the second driving device drives the blades to rotate according to feedback data of the humidity sensor so as to change the inclination angle of the blades. Through the centrifugal effect of the cyclone separator and self-adaptive adjustment of the blade angle, the condensation efficiency of water vapor in flue gas is remarkably improved, meanwhile, the rotating speed of the motor and the inclination angle of the blade are dynamically adjusted in combination with linkage control of the humidity sensor and the industrial personal computer, energy consumption is reduced, and the optimal balance between the separation efficiency and energy consumption is achieved.

Equipment for crushing and grading magnesium oxide comprises a composite grading machine, a striking crushing and stripping machine, a spiral feeding machine, a circulating fan, a cyclone separator, a bag-type dust collector and an air compressor, and is characterized in that a crushing and grading unit is upgraded and grafted on the magnesium oxide crushing and grading equipment by utilizing the air flow advantage of closed-loop circulating air; on the basis of ensuring that the content of MgO is not reduced due to the influence of moisture and CO2 in air in the crushing and grading process, heavy MgCO3 fine powder and coarse MgO powder in raw powder are separated and graded to the maximum extent, and a low-grade magnesium oxide product containing a small amount of MgCO3 is obtained through an outlet of a 1 # air-lock valve of a composite grading machine; a high-grade magnesium oxide fine powder main product is obtained through an outlet of a second air-lock valve of the cyclone separator, and a high-grade magnesium oxide superfine powder product is obtained through an outlet of a third air-lock valve of the bag-type dust collector. By adopting a simple mode of coarse particle stripping shell shrinkage crushing instead of coarse particle grinding, the non-calcined magnesite powder is prevented from entering the fine powder, and the amount of the magnesium oxide fine powder is also increased. Operation is simple and easy to control, productivity efficiency is high, production is safe and environmentally friendly, and market application prospects are wide.

The invention relates to the technical field of cleaning equipment, in particular to a blowing and sucking integrated dust suction device which comprises an airflow circulation part and a dust separation execution part, the airflow circulation part comprises at least two stages of venturi tubes which are sequentially connected in series and communicated, and the venturi tubes are covered with collecting covers; a collecting cavity is formed in the collecting cover, a collecting opening and a backflow opening which are communicated with the collecting cavity are formed in the collecting cover, a backflow pipeline is connected between the backflow opening and the Venturi tube located above the backflow opening, negative pressure is formed around after airflow is sprayed out from the spraying opening at a high speed, and negative pressure suction carries dust-containing gas to enter the collecting cavity from the collecting opening. Then the air flow sequentially passes through the backflow opening and the backflow pipe to re-enter the acceleration channel; a traditional'single-stage acceleration-separation 'open-loop mode is broken through, a'kinetic energy recovery-secondary acceleration-enhanced separation' closed-loop system is constructed through countercurrent coupling of the Venturi tube and the cyclone separator, the closed-loop system completely isolates dusty gas from leaking out, and dual improvement of the energy utilization rate and the dust removal efficiency is achieved.

The invention relates to the technical field of ceramic product production and manufacturing equipment and a preparation process, in particular to a spray granulation process which comprises the following steps: preparing zirconium oxide slurry with the solid content of 90%, conveying the zirconium oxide slurry to a nozzle through a pipeline, and enabling the slurry to meet airflow at the nozzle and be atomized into tiny liquid drops; atomized liquid drops make contact with hot airflow for drying, the airflow temperature is controlled by a temperature control system to gradually rise from the inlet section to the outlet section of the main tower, and an airflow system adjusts the airflow speed and the airflow direction; the particles with the particle size larger than or equal to 40 micrometers fall to a discharging port in the bottom of the main tower under the action of strong airflow, and the particle size is lt; particles with the particle size of 40 microns flow to a brown air opening under the action of relatively weak air flow; the dried large particles are guided out from a discharge hole in the bottom of the main tower through a strong airflow regulator to be collected, and the dried small particles are collected through a connecting pipeline and a cyclone separator through an air inlet; the large particles are directly stored or subsequently processed, and the small particles are further processed or sub-packaged. Precise classified collection is achieved, and the granulation quality and the production efficiency are improved.

The invention relates to preparation equipment of high-purity electronic-grade molybdenum hexafluoride, which comprises a molybdenum hexafluoride reactor used for heating molybdenum powder and fluorine gas to react; the cyclone separator is connected to the discharge end of the molybdenum hexafluoride reactor and is used for carrying out gas-solid separation on the molybdenum hexafluoride original gas to obtain crude molybdenum hexafluoride gas; the variable-pressure condensation filter is connected to the gas outlet end of the cyclone separator, and the variable-pressure condensation filter is used for carrying out variable-pressure condensation on the molybdenum hexafluoride crude gas and filtering impurities solidified after condensation to obtain molybdenum hexafluoride crude liquid; the light component removal tower is connected to the liquid outlet end of the variable-pressure condensation filter, and hydrogen fluoride is removed from the molybdenum hexafluoride crude product liquid by the light component removal tower; the liquid inlet end of the bubble breaking rectifying tower is connected to the bottom of the light component removal tower, and the bubble breaking rectifying tower is used for purifying molybdenum hexafluoride in the molybdenum hexafluoride crude product liquid to obtain the electronic grade molybdenum hexafluoride.

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.

The invention provides a dust collection box, a cleaning device and a cleaning system.The dust collection box comprises a box body and a cyclone separator arranged in the box body, and the box body is provided with a dust inlet, a dust outlet and an air suction port; when dust enters the dust collection box, the cyclone separator is used for filtering the dust with large particles and containing the dust in the first sub dust collection cavity, and the dust passing through the cyclone separator falls into the second sub dust collection cavity after being treated. In the direction of air flow suction, the first sub-dust-collecting cavity is located on the upstream of the second sub-dust-collecting cavity, dust with large particles is filtered and enters the first sub-dust-collecting cavity, dust with small particles is filtered and then enters the cyclone separator, and cyclone is formed in the cyclone separator. Centrifugal force is generated to enable all dust to be gathered in the center of the cyclone and fall into the second sub dust collecting cavity, dust filtering and collecting are completed, and it is avoided that part of dust enters the air suction assembly along with air flow, and then the effect of air flow suction in the dust collecting box on dust is affected.

The utility model discloses a storage device for improving the stability of carbon black, which comprises a stock bin, a stirring mechanism and a ventilation mechanism are arranged in the stock bin, the stirring mechanism comprises a stirring shaft arranged in the stock bin and stirring blades arranged on the stirring shaft, the stirring blades are arranged in a multi-layer and multi-angle mode, the stock bin is communicated with a nitrogen storage tank, and the nitrogen storage tank is communicated with the ventilation mechanism. A first electric valve is arranged on a connecting pipeline of the stock bin and the nitrogen storage tank, an oxygen concentration sensor and a humidity sensor are arranged in the stock bin, and the oxygen concentration sensor is interlocked with the first electric valve; the ventilation mechanism comprises an annular ventilation pipeline arranged on the lower portion of the stock bin, a plurality of ventilation holes facing the stirring shaft are formed in the annular ventilation pipeline, and the annular ventilation pipeline communicates with an air blower. The humidity sensor is interlocked with the blower; an air outlet is formed in the top of the stock bin and sequentially communicated with the cyclone separator, the bag-type dust collector and the induced draft fan. The device can effectively prevent the carbon black from absorbing moisture, oxidizing and caking, so that the storage stability of the carbon black is improved, and the dust raising phenomenon can be effectively avoided.

The invention discloses an efficient PVC particle-containing tail gas purification system and method, and relates to the technical field of PVC treatment. A tangential tail gas inlet is formed in the middle of the side wall of the washing tower, a tail gas outlet is formed in the top, and a drain outlet is formed in the bottom; the input end of the first-stage venturi dust remover is connected to the output end of the cyclone separator; the second-stage venturi dust remover is coaxially arranged in the inner cavity of the washing tower, the top wall is hermetically connected with the top wall of the washing tower, the outer wall and the inner wall of the washing tower form an annular space, and the tangential tail gas inlet is communicated with the annular space; the water film generating device comprises a first group of water outlet holes formed in the inner wall of the washing tower in the annular space and a second group of water outlet holes formed in the outer wall of the secondary venturi dust remover; the particle intercepting layer is arranged above an air outlet of the second-stage Venturi dust remover; the airflow uniform distributor is arranged above the particle interception layer; and the spraying device comprises water injection nozzles which are symmetrically arranged at the upper end and the lower end of the demister. According to the system, PVC particles and impurities in tail gas are effectively removed through multi-stage purification, and the purification efficiency is high.

The invention provides a micron-sized beryllium powder preparation method based on a gas atomization method, and particularly relates to the technical field of metal powder material preparation. The preparation method provided by the invention comprises the following steps: (1) melting raw materials, namely putting a high-purity beryllium ingot with the purity of more than or equal to 99.9% into a vacuum induction melting furnace, vacuumizing until the pressure is less than or equal to 1 * 10 <-3 > Pa, filling inert gas, heating to 1300-1400 DEG C, and keeping the temperature for 10-30 minutes until the superheat degree of beryllium liquid reaches 50-100 DEG C; (2) gas atomization treatment: spraying beryllium liquid through a supersonic nozzle, crushing liquid beryllium into fine liquid drops by using atomized gas, and solidifying the fine liquid drops into powder; (3) multiple layers of cyclone separators connected in series are arranged, parameters are adjusted step by step, and powder with different particle sizes is sequentially collected in a graded mode; and the powder with the target particle size is sealed and packaged after vacuum drying. According to the method, secondary screening can be effectively avoided, continuous production can be achieved, and the obtained micron-sized beryllium powder is controllable in particle size, high in sphericity degree and low in oxygen content.

The invention relates to the technical field of porous carbon activation, in particular to a porous carbon activation system for heat-carrying particle circulation, which comprises: a fluidized bed reaction unit; a cooling and discharging unit; a feeding unit; the tail gas conveying unit is used for collecting reaction tail gas formed after the activation reaction; the activated gas supply unit is used for conducting heat of the reaction tail gas to the activated gas for preheating and mixing the reaction tail gas with the activated gas to output mixed activated gas; the heat-carrying particle heating unit is used for heating the heat-carrying particles which do not enter; the conveying and separating unit is used for conveying the heated heat-carrying particles to an activation reaction area in the fluidized bed reaction unit so as to provide heat required by an activation reaction, and comprises a lifting pipe, a cyclone separator and a conveying fan which are used for supplying conveying pressure to the heat-carrying particles and reaction raw materials by introducing nitrogen into the fluidized bed reaction unit. According to the invention, the specific surface area and the microporosity of the porous carbon are improved.

The invention belongs to the technical field of atmospheric pollution, and particularly relates to dust removal equipment for a mining machine, the dust removal equipment comprises a base, a cyclone separator and a bag-type dust remover which are communicated with each other are fixedly mounted at the upper end of the base, an air inlet of the cyclone separator is further fixedly communicated with an induced draft pipe, an induced draft fan is mounted on the induced draft pipe, and the bag-type dust remover is fixedly connected with the air inlet of the cyclone separator. The induced draft fan is fixedly installed at the upper end of the base, the front end of the induced draft pipe is further fixedly communicated with a dust hood through an elastic telescopic pipe, and the device further comprises a PLC, a dusty gas state detection mechanism, a pre-spraying water conditioning mechanism, an air inlet speed self-regulation mechanism and a feedback regulation mechanism. The power and the ventilation quantity of the induced draft fan are automatically adjusted based on the dust concentration, water is pre-sprayed based on the dust water content, the inlet air speed of the cyclone separator is adjusted based on the ventilation quantity, and the input number of filter bags of the bag-type dust remover is adjusted. The comprehensive functions of efficiently capturing dust, preventing overflow, avoiding equipment blockage, guaranteeing stable operation of dust removal equipment and saving energy are achieved.

The utility model discloses a cement hot raw material desulfurization device which comprises a material taking device, a disperser, a cyclone separator, a circulating fan, a first spiral metering scale, a digester, a first conveying device, a powder bin, a second spiral metering scale and a second conveying device, taking out the high-temperature solid hot raw material from a C5-grade cyclone cylinder blanking pipe by using a material taking device; mixing the taken-out hot raw material with airflow in a disperser for primary cooling, then entering a separator for gas-solid separation and secondary cooling at the same time, metering the low-temperature hot raw material, adding the low-temperature hot raw material into a digester for digestion reaction, and conveying the digested material into a powder bin for temporary storage; materials in the powder bin are metered and then fed into the first air pipe through the second conveying device for desulfurization treatment. The device can adapt to the working condition with large SO2 concentration fluctuation, and is high in desulfurization efficiency, small in desulfurizer usage amount, stable in desulfurization effect, small in influence on a preheater system and low in energy consumption.

The present application relates to the technical field of boiler modification, and particularly relates to a coupling external powder bin's pulverizing system, a pulverizing method and a boiler, wherein an A-side coarse powder separator is arranged on one side of a coal mill, and a B-side coarse powder separator is arranged on the other side; the coal powder of the A-side coarse powder separator enters an A-side burner through a cyclone separator, a lock air unloader and a wind powder mixer in sequence; the coal powder of the B-side coarse powder separator directly enters a burner, realizing two different operation modes of the same coal mill; when the unit is in low load operation, the coal mill can be operated in a direct blowing mode on one side to ensure the basic load, and the coal mill can be operated in a powder storage mode, a powder feeding mode and a powder storage and feeding mode on the other side according to the load demand of the unit, so as to ensure the stability of system operation. The present application solves the problem of poor reliability of the existing pulverizing system in a low load state.

The invention relates to the technical field of production of silicon-carbon negative electrode materials, in particular to a continuous production device and method for preparing a silicon-carbon negative electrode material by taking porous carbon, silane and hydrocarbon gas as raw materials. The device comprises fluidized beds A1 and B1, storage tanks A2, A4, B2 and B4, cyclone separators A3, B3 and C2 and a heat exchanger C1, and stable fluidization and continuous production of materials are realized through the design of the multi-section reducing fluidized bed. The method comprises the following steps: carrying out silane cracking and silicon embedding on porous carbon, carrying out hydrocarbon gas cracking and carbon coating, cooling and separating, and finally obtaining the silicon-carbon negative electrode material with high capacity and high initial coulombic efficiency. The equipment adaptability can be remarkably improved, the service life is prolonged, efficient and continuous production is achieved, and the equipment is suitable for industrial-scale application.