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1024 results about "Phencyclone" patented technology

Powdered coal pyrolysis oil gas high-temperature dust removal system coupled with cyclone separation and moving particle bed

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.
Owner:SHCCIG YULIN CHEM CO LTD

Porous carbon activation method

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.
Owner:SUZHOU NEWMAT NANOTECHNOLOGY CO LTD

Surface cleaning apparatus

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.
Owner:OMACHRON INTELLECTUAL PROPERTY INC

Chemical looping combustion variable load system based on flue gas recirculation and control method

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.
Owner:DONGFANG BOILER GROUP OF DONGFANG ELECTRIC CORP

Raw material conveying device for polyaluminum chloride production and working method

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.
Owner:YUNNAN KE ALUMINUM REGENERATION RESOURCES CO LTD

Device for preparing molten carbon fertilizer through solid waste microwave pyrolysis and waste heat recovery

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.
Owner:GUANGDONG OCEAN UNIVERSITY

Airflow material anti-caking circulating drying device

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.
Owner:TAIAN RUITAI NEW MATERIAL INC CO LTD

High-pressure air sand and chlorine removal system in salt cavern compressed air energy storage system

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.
Owner:POWERCHINA HEBEI ELECTRIC POWER SURVEY & DESIGN INST CO LTD

Blowing and sucking integrated dust collection device

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.
Owner:CHANGZHOU UNIV

Storage device for improving stability of carbon black

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.
Owner:青州市博奥炭黑有限责任公司

Porous carbon activation system for circulating heat-carrying particles

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.
Owner:SUZHOU NEWMAT NANOTECHNOLOGY CO LTD

Dust removal equipment for mining machine

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.
Owner:SHANDONG ENTE AUTOMATION CO LTD

Cement hot raw material desulfurization device

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.
Owner:NANJING C HOPE ENVIRONMENTAL SCI & TECH

A pulverizing system coupled with an external pulverizing bin, a pulverizing method and a boiler

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.
Owner:XIAN THERMAL POWER RES INST CO LTD +1

Multi-grade waste heat grading recovery device for poultry processing plant

The invention provides a multi-grade waste heat grading recovery device for a poultry processing factory, and solves the technical problems that existing waste heat recovery equipment is mainly designed for single-grade and low-impurity-content waste heat resources and is difficult to adapt to feather drying waste gas with high impurities and exhaust temperature fluctuation of a refrigeration house compressor in a poultry processing scene. The device can be widely applied to the field of waste heat recovery equipment. The system specifically comprises a feather drying waste gas treatment system, a refrigeration house waste heat pressure stabilizing system and a comprehensive control system, wherein the feather drying waste gas treatment system comprises a cyclone separator and an electrostatic degreaser; a gas inlet pipe of the cyclone separator is communicated with a waste gas discharge pipe, waste gas enters from the tangential direction of the cylindrical section of the separator, and solid impurities are thrown to the wall of the separator and fall to a bottom ash hopper along the wall surface; the waste gas subjected to dust removal enters an electrostatic degreaser, a high-voltage electrode and a grounding polar plate are arranged in the degreaser, grease particles in the waste gas are ionized under the action of a high-voltage electric field, and the grease particles with negative electricity are adsorbed to the grounding polar plate.
Owner:中暖新能源(青岛)有限公司 +1

Image acquisition system for multiple types of small granular seeds based on suction type cleaning

A kind of multi-class small particle seed image acquisition system based on suction type material cleaning, including camera, tray and material cleaning device;The camera of the discharge port of tray is above the tray, the surface of tray is horizontal, lens vertically faces the surface of tray;Tray is connected to vibration device;The discharge port of tray is connected to material cleaning device.The material cleaning device is suction type material cleaning device;Material cleaning device includes suction head, material cleaning channel, cyclone separator and turbine fan;The periphery of the surface of the discharge port of tray has material blocking structure, and the discharge port is opened on the material blocking structure;The front end of suction head is connected to the discharge port;The rear end of suction head is connected to the air inlet of cyclone separator through material cleaning channel;The air outlet of cyclone separator is connected to the air inlet of turbine fan;The discharge port at the bottom of cyclone separator is connected to seed container;The cross section of material cleaning channel is circular, and the air inlet of cyclone separator is connected between material cleaning channel and cyclone separator through circular-to-rectangular adapter, and the two end faces of adapter are smoothly transitioned.
Owner:NANJING FORESTRY UNIV

Detoxification system for washed household garbage incineration fly ash

The invention discloses a detoxification system for washed household garbage incineration fly ash, and belongs to the technical field of hazardous waste treatment. Comprising a fly ash temporary-storage tempering unit, a low-temperature anti-sticking drying unit, a temperature-control anti-scaling pyrolysis unit and a gas-solid separation unit which are connected in sequence. The fly ash caching and tempering unit is provided with a calcium salt content online detector and an anti-caking agent adding device, so that accurate tempering is realized; the low-temperature anti-sticking drying unit realizes low-temperature anti-sticking drying; the temperature-control anti-scaling pyrolysis unit adopts an indirect heating type rotary kiln and is provided with a plasma catalysis assembly, so that medium-temperature degradation of dioxin and scaling prevention are realized; the gas-solid separation unit comprises an efficient cyclone separator, a high-temperature ceramic dust remover and a water-cooled conveyor, and efficient separation and cooling are achieved. Through systematic structural design and integration, the technical problems that the calcium salt-containing fly ash after water washing is prone to caking and scaling in the treatment process, and dioxin degradation is not thorough are effectively solved.
Owner:CSSC NANJING LUZHOU ENVIRONMENT PROTECTION CO LTD

Intelligent material processing system and method

The invention relates to the technical field of automatic material treatment, in particular to an intelligent material treatment system and method.The intelligent material treatment system comprises a multi-floor treatment unit, a drying unit, a gas-solid separation unit, a conveying unit, a material mixing unit and an intelligent control unit; the multi-floor treatment unit is divided according to the functions of third-floor pretreatment, second-floor sanding and first-floor temporary storage and is seamlessly connected through a pipeline; the intelligent control unit adopts an MCGSPRO industrial control module and is provided with functional modules such as a layered operation interface and a parameter monitoring interface, so that full-process management and control are realized; the gas-solid separation unit adopts a cyclone separator and a dust remover for secondary purification, and the conveying unit comprises a quantitative hopper, so that the material recovery and quantification precision is guaranteed. The method comprises the five steps of pretreatment on the third floor, sanding treatment on the second floor, temporary storage and conveying on the first floor, drying and gas-solid separation and quantitative mixing. According to the scheme, the problems that a traditional system is poor in multi-floor cooperation, insufficient in sanding flexibility, low in intelligence and the like are solved, and the material recovery rate and the product consistency are remarkably improved.
Owner:WUXI HAIBO POWDER EQUIP CO LTD

Self-adaptive control system and method for load of circulating fluidized bed boiler

The invention provides a circulating fluidized bed boiler load self-adaptive control system and method, and belongs to the technical field of circulating fluidized bed boiler load self-adaptive control. In order to realize in-boiler temperature regulation based on dynamic conveying of settled ash in a boiler and realize efficient active matching of heat transfer capability in a quick response load process of the boiler, the technical scheme is that the top of a hearth of the circulating fluidized bed boiler is communicated with the top of a cyclone separator through a coal ash recovery pipeline, and the top of the cyclone separator is connected into a tail flue; an economizer is arranged in the middle of the tail flue, and a flue outlet is formed in the bottom of the tail flue; the bottom of the cyclone separator is connected with a circulating ash returning device through an outlet pipeline, a settled ash conveying hole is formed in the upper part or the side part of the circulating ash returning device, and a conveying pipeline is welded on the outer side of the settled ash conveying hole and is connected with the bottom of a hearth of the circulating fluidized bed boiler; the method is used for self-adaptive control of the load of the circulating fluidized bed boiler.
Owner:ELECTRIC POWER RES INST STATE GRID SHANXI ELECTRIC POWER +1

Waste incineration fly ash harmless treatment method and system based on low-temperature plasma

The invention discloses a waste incineration fly ash innocent treatment method and system based on low-temperature plasma, and belongs to the technical field of dangerous solid waste treatment.The waste incineration fly ash innocent treatment method comprises the steps that fly ash and a silicon-aluminum-based conditioner are mixed and granulated and then placed in a low-temperature plasma reactor, and treatment is conducted with air as a discharge medium; high-energy electrons and active free radicals generated by plasmas are utilized to synchronously realize efficient decomposition and mineralization of dioxin organic pollutants in the fly ash and reduction and stable solidification of heavy metal ions; the treated tail gas containing the active substances is cyclically degraded through a cyclone separator, and solid products can be used as safe building material resources; according to the method, one-stop deep detoxification of two typical pollutants in the fly ash is realized, the treatment temperature is low, the energy consumption is low, secondary pollution is avoided, and an efficient solution is provided for safe treatment and value-added utilization of the waste incineration fly ash.
Owner:XI AN JIAOTONG UNIV

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

Process for efficient catalytic synthesis of melamine

The invention belongs to the technical field of melamine production, and particularly relates to a process for efficient catalytic synthesis of melamine. According to the invention, part of low-temperature gas discharged from the cyclone separator is not directly washed and cooled, but passes through the carrier gas fan, then is heated by part of molten salt in the molten salt furnace and backflow molten salt in the reactor, is subjected to heat exchange and temperature rise in the carrier gas preheater, and then enters the reactor, so that part of heat of the molten salt furnace can be utilized; part of gas exhausted by the cyclone separator can be fully utilized, the load of the urine washing tower is reduced, meanwhile, the gas with the temperature increased after heat exchange enters the reactor to fluidize the catalyst, and heat supply of fused salt is reduced; the production process disclosed by the invention is simple in flow and reasonable in energy utilization; and the application prospect is promising.
Owner:SHANDONG SHUNTIAN CHEM GRP

Ultra-low emission system and method for chemical looping combustion flue gas

The invention relates to the technical field of flue gas purification and recovery, in particular to an ultralow emission system and method for chemical looping combustion flue gas. The system comprises a fuel reactor, a flue gas outlet of the fuel reactor is connected with an inlet of a cyclone separator, and a first nitrogen oxide removal unit and a second nitrogen oxide removal unit are sequentially arranged on an outlet flue of the cyclone separator; the outlet flue is sequentially connected with the dust removal unit, the desulfurization unit and the recycling unit, and part of flue gas treated by the dust removal unit is used for diluting a denitration reducing agent in the second nitrogen oxide removal unit and / or returns to the fuel reactor for cyclic utilization; and part of recycled flue gas treated by the recycling unit is at least used for atomization of a denitration reducing agent in the first nitrogen oxide removal unit, and / or returns to the chemical looping coal feeding system. According to the system and the method, a whole-process treatment link of denitration, dust removal, desulfurization and carbon dioxide capture and recovery of the chemical looping combustion flue gas is constructed, corresponding pollutants are accurately removed by each unit, and the flue gas is recycled.
Owner:DATANG ENVIRONMENT IND GRP

Negative pressure collection and explosion-proof safety treatment system for metal dust in electromagnet manufacturing process

The invention discloses a negative pressure collection and explosion-proof safety treatment system for metal dust in an electromagnet manufacturing process, which comprises a dust negative pressure collection unit, a ferromagnetic dust separation unit, a multi-stage filtration explosion-proof unit, a dust recovery unit and an intelligent control unit which are sequentially connected through corrosion-resistant metal pipelines, the dust negative-pressure collecting unit comprises a customized air suction cover, an embedded ground air suction opening and a movable negative-pressure dust suction gun; the ferromagnetic dust separation unit comprises an electromagnetic separation barrel, and a spiral flow guide channel is arranged in the barrel and is matched with a compressed air back flushing device; the multi-stage filtering explosion-proof unit comprises a first-stage cyclone separator and a second-stage HEPA efficient filter, an explosion-proof and explosion-proof layer is arranged on the outer side of the multi-stage filtering explosion-proof unit, and the multi-stage filtering explosion-proof unit is provided with a spark The intelligent control unit adopts a PLC control system, is connected with a dust concentration sensor, a temperature sensor and a pressure sensor, and supports remote monitoring and fault diagnosis. By means of the system, zero explosion risk, low emission and resource recycling of electromagnet manufacturing process dust are achieved.
Owner:JIANGSU ANTAI SAFETY TECH CO LTD

Cement preheater cyclone low-resistance inlet structure

The utility model discloses a low-resistance inlet structure of a cyclone of a cement preheater, and relates to the field of cement industrial production. The feeding device comprises an inlet air pipe, a volute body is installed on one side of the inlet air pipe, an inner cylinder integrated with the volute body is welded to the middle of the volute body, a column body is installed on the lower side of the volute body, a discharging cone is installed below the column body, a plurality of installation frames are installed on the peripheral side of the column body, and the installation frames are installed on the lower side of the volute body. A discharging pipe is installed at an outlet of the discharging cone, and a low-resistance inlet assembly is arranged at an inlet of the inlet air pipe. According to the utility model, the air conveying pipe and the expansion shell are arranged at the inlet air pipe, and the expansion shell is arranged at the top of the inlet air pipe and the top of the air conveying pipe, so that the width of the inlet air pipe is kept unchanged, the height of the air inlet is increased, and the area of the inlet of the cyclone cylinder is properly increased, and in this way, the resistance can be effectively reduced, and the influence on the separation efficiency of the cyclone separator is small.
Owner:SHAANXI FUPING ECOLOGICAL CEMENT CO LTD

Integrated desulfurization and decarbonization particle separation external circulation spouting fluidized bed and operating method

The application discloses an integrated desulfurization and decarbonization particle separation external circulation spouting fluidized bed and a running method thereof, and belongs to the technical field of flue gas desulfurization and decarbonization. The fluidized bed is provided with a gas inlet at the bottom, a micro cyclone separator is arranged in the fluidized bed, a spouting bed gas inlet is communicated with a fluidized bed exhaust port, a micro cyclone separator exhaust port is communicated with the fluidized bed exhaust port, and the bottom of the micro cyclone separator is communicated with the outside. A calcium oxide feeding port is arranged at the lower end of the spouting bed, the top of the spouting bed is communicated with a cyclone separator gas inlet, a cyclone separator exhaust port is communicated with a calcining furnace inlet, and the calcining furnace is provided with a carbon dioxide discharge pipe. The intermittent fluidized bed is provided with a calcium hydroxide slurry inlet at the top, the calcium oxide feeding port is provided with a sealing cover, the calcining furnace outlet is communicated with a calcium oxide powder discharge pipe or a material guide pipe inlet, and the material guide pipe outlet is communicated with the lower end of the spouting bed. The continuous fluidized bed is provided with a liquid inlet at the top, the calcium oxide feeding port is an opening, the calcining furnace outlet is communicated with the material guide pipe inlet, and the material guide pipe outlet is communicated with the fluidized bed.
Owner:NORTHWEST UNIV

Negative pressure feeding device for reaction kettle

The utility model relates to the technical field of silk-covered wire production equipment, and discloses a negative pressure feeding device for a reaction kettle, which comprises an equipment main body, a material collecting container is fixedly arranged on the outer surface of the lower end of the equipment main body, and a control assembly and a material conveying pipeline are fixedly arranged on the outer wall of the equipment main body. A cyclone separator is fixedly installed on the inner side of the equipment body, one end of the conveying pipeline communicates with the cyclone separator, an air outlet pipeline is fixedly connected to the upper end of the cyclone separator, and a vacuum pipe is fixedly connected to the outer wall of the air outlet pipeline; when the device is used, gas separated by the cyclone separator can be further filtered through the arranged filter element, it is ensured that materials and air are efficiently and thoroughly separated, material waste and environmental pollution are reduced, the filter element can be freely detached, and the device is convenient to use. And cleaning and maintenance are convenient.
Owner:XUCHANG JINZHI INSULATING MATERIALS CO LTD

Portable compressed air filter using multi-tube cyclone separator

A portable compressed air filter using a multi-tube cyclone according to one embodiment of the present invention comprises: a housing in which an air flow part is formed and into which compressed air is introduced and discharged; and an impurity separation unit provided in the air flow unit of the housing and separating impurities from compressed air, the impurity separation unit including, in an upper portion thereof: a first cyclone forming unit that centrifugally separates the impurities by causing the introduced compressed air to flow in a swirling flow manner, and a second cyclone forming unit that centrifugally separates the impurities in the swirling flow manner; and a second cyclone forming unit which is provided on the inside of the first cyclone forming unit and which centrifugally separates impurities by causing the compressed air that has passed through the first cyclone forming unit to flow again as a swirling flow.
Owner:TESLLON INC

Apparatus for the production of molten iron

Apparatus for the production of molten iron including a metallurgical vessel, having a surrounding wall, a cyclone part provided on top of a smelt reduction part, the cyclone part being in open connection with the smelt reduction part and having at least one supply apparatus around the circumference of the surrounding wall adjusted to introduce oxygen gas into the cyclone part, wherein the at least one supply apparatus is further adjusted to introduce a mixture of oxygen gas and a combustible gas.
Owner:TATA STEEL IJMUIDEN BV

Solar tower type heat collection industrial waste salt organic impurity pyrolytic reaction system

The invention belongs to the technical field of industrial waste salt treatment, and discloses a solar tower type heat collection industrial waste salt organic impurity pyrolytic reaction system. Comprising a salt storage tank, a rotary flow divider, a flow dividing pipeline, a salt collecting box, a flow guide device, a gradual change type square tube reactor, a V-shaped flow guide device, a salt collecting tank, a heliostat field, a tail gas exhaust pipe, a cyclone separator, a tail gas purification device, an electric valve and the like, and a heat collection-reaction integrated semi-continuous treatment system is constructed. According to the system, a gradual change type square tube reactor and a rotary flow divider are adopted to dynamically adapt to solar Gaussian heat flow, unpowered fluidized conveying of waste salt is achieved depending on gravity driving, feeding and waste gas interference is avoided through batch filling, independent pyrolysis and reverse exhaust, stable operation under complex working conditions is guaranteed through heat flow-material dynamic adaptive regulation, and the system is suitable for large-scale industrial production. The industrial waste salt organic impurity pyrolysis, organic impurity removal and recovery and tail gas up-to-standard emission are efficiently achieved, and the method has energy conservation and environmental protection properties and is suitable for large-scale industrial waste salt harmless treatment and resource recovery.
Owner:XI AN JIAOTONG UNIV