CN111662029A - Fly ash recycling device with built-in glass film removing function - Google Patents

Fly ash recycling device with built-in glass film removing function Download PDF

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CN111662029A
CN111662029A CN202010134083.9A CN202010134083A CN111662029A CN 111662029 A CN111662029 A CN 111662029A CN 202010134083 A CN202010134083 A CN 202010134083A CN 111662029 A CN111662029 A CN 111662029A
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fly ash
glass film
discharge
particles
drum
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CN111662029B (en
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金富烈
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02Treatment
    • C04B20/04Heat treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/017Combinations of electrostatic separation with other processes, not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/38Particle charging or ionising stations, e.g. using electric discharge, radioactive radiation or flames
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/40Electrode constructions
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04Waste materials; Refuse
    • C04B18/06Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
    • C04B18/08Flue dust, i.e. fly ash
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02Treatment
    • C04B20/023Chemical treatment
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00Hydraulic cements
    • C04B7/24Cements from oil shales, residues or waste other than slag
    • C04B7/26Cements from oil shales, residues or waste other than slag from raw materials containing flue dust, i.e. fly ash
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00Hydraulic cements
    • C04B7/36Manufacture of hydraulic cements in general
    • C04B7/38Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B2101/00Type of solid waste
    • B09B2101/30Incineration ashes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/10Production of cement, e.g. improving or optimising the production methods; Cement grinding
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

A fly ash recycling apparatus with a built-in glass film removing function, wherein a plurality of discharge electrodes are attached to one side surface inside a body drum along the outer peripheral surface, a ground electrode is provided on the outer surface of a cylinder having elliptical end surfaces inside the body drum, the two end surfaces of the body drum and a second drum to which a motor is attached are elliptical and connected to a first drum having an elliptical cylindrical shape, the flow of fly ash particles formed between the body drum and the first drum is maintained in a Kuaite flow state by the centrifugal force generated by the rotation of the motor, the fly ash is sprayed with high-pressure air in advance through a fly ash supply pipe provided on the upper side of the body drum to form a gap between the fly ash particles, the glass film is removed by a chemical reaction of a main component substance of the glass film coated on the particle surface by a chemical reaction with the fly ash particles by spraying a fluorine compound, and the coating is removed by a hydrolysis reaction by spraying water vapor to the fly ash A glass film on the surface of the particles.

Description

Fly ash recycling device with built-in glass film removing function
Technical Field
The present invention relates to a fly ash recycling device with a built-in glass film removing function, and more particularly, to a fly ash recycling device with a built-in glass film removing function, which injects and mixes high pressure air to fly ash to form gaps between particles of the fly ash during an electrostatic dust collection process, ionizes fly ash particles and air during a high pressure discharge process, and then forms a flow of the fly ash particles injected to an electrostatic dust collection part by a centrifugal force generated by an injection port rotating at a high speed into a swirl flow (swirl flow), and in a friction process with an inner surface of the injection port during elastic collision between the fly ash particles and mixing of the ionized ash and the high pressure air, the fly ash particles are charged, and among the fly ash particles charged with (+) and (-) charges, unburned carbon components (C) are separated by dust collection in a (+) pole of a dust collecting pole, the method for removing unburned carbon from coal ash by burning the coal ash with a burner or a heater, wherein the unburned carbon is separated by burning the coal ash with a heater, a plurality of discharge electrodes are attached to one side surface of the inside of a barrel of a body along the circumferential surface, a ground electrode is provided on the outer surface of an elliptic cylinder (first barrel) at both end surfaces of the barrel of the body at a predetermined interval, the discharge electrodes are opposed to the discharge electrodes provided on the one side surface of the inside of the barrel of the body, the end surfaces of the barrel of the body and the second barrel which are rotated by attaching a motor are elliptic, the barrel is rotated by the rotational force of the motor by being connected to the elliptic cylinder, the flow of a passage through which the coal ash particles formed between the barrel of the body and the first barrel are maintained in a Couette flow (or cyclone flow (TTVF)) state as a Turbulent flow, and high-pressure air is injected in advance into the fly ash through a supply pipe provided on one side of the upper part of the barrel of the body, A fluorine compound and water vapor, the fluorine compound and the main component substance of the glass film coated on the surface of the ash particles are chemically reacted, the water vapor and the main component substance of the glass film coated on the surface of the ash particles are hydrolyzed and supplied to the passage in the couette flow state, a plurality of discharge electrodes and ground electrodes arranged on the inner surface of the barrel body and the outer surface of the first barrel and sharing the passage are applied with high voltage generated in a high voltage generator to form a high energy band between the two electrodes (passage) by a discharge mode, thereby removing the fly ash particles passing through the passage, charged particles of electrons or ions released from the discharge electrodes during the discharge and the glass film coated on the surface of the fly ash particles during the elastic collision with thermal electrons, and supplying power to an induction coil wound by a predetermined number at high frequency outside the barrel body, the heat generated in the coil heats the discharge electrode and the ground electrode by a heat conduction method to increase the amount of thermal electron emission on the surface, and increases the temperature of a passage formed between the discharge electrode and the ground electrode to supply heat energy to the charged particles and thermal electrons of electrons or ions, thereby activating the charged particles and thermal electrons of electrons or ions, and the magnetic field generated in the current flowing direction of the induction heating coil at an angle of 90 degrees prolongs the residence time of the charged particles and thermal electrons of electrons or ions emitted from the discharge electrode during the discharge process, thereby effectively removing the fly ash particles and electrons, thermal electrons, and the glass film coated on the surface of the fly ash particles due to the increase of the number of elastic collisions with the charges.
The present invention relates to an apparatus for reusing combustion waste generated in a thermal power plant or the like as resources by using fly ash generated after coal is burned in the thermal power plant instead of cement as construction materials such as a ring-forming covering material or the like, in order to solve problems such as a decrease in compressive strength when ash is reused due to unburned carbon components in fly ash and a glass film applied to the surface of ash particles.
Background
Fly ash is a particle of μm size generated during combustion of coal in a thermal power plant for power generation, and the particle may include Silica (SiO)2) Alumina (Al)2O3) Iron (Fe)2O3) And various oxides and residual carbon (coal dust carbon).
Fly ash has many uses as an additive to a variety of substances. For example, if mixed with lime and water, the fly ash will form a cement composition (cement) having properties very similar to those of portland cement. Because of this similarity, fly ash can replace a portion of the cement in concrete.
When the fly ash is used for preparing concrete, the amount of cement used can be reduced, and the amount of carbon dioxide generated in the cement preparation process and the preparation cost can be reduced correspondingly, and moreover, the effects of improving the performance such as convenience of construction, improvement of long-term strength and chemical durability due to the increase of fluidity can be obtained.
However, in the case of using fly ash as a concrete admixture, the fly ash is rapidly frozen at a high temperature during the generation of the fly ash, and thus, a glass film is formed on the surface to exhibit a potential hydraulic property that does not directly react with water, and such a glass film has a property of being destroyed when exposed to an alkaline environment, and in general, a glass film is formed using, for example, sodium hydroxide (NaOH), potassium hydroxide (KOH), calcium hydroxide (ca (oh))2) The alkaline stimulator of (a) to effect the hydrolysis reaction.
However, in order to solve such problems, when a strongly alkaline substance is used as a material to replace the alkaline stimulant, there is a risk of skin corrosion when the substance comes into contact with the skin of a worker, and the cost of the material increases.
Further, unburned carbon (coal dust carbon) exists in the fly ash, and the unburned carbon does not completely burn in the boiler of the thermal power plant but remains as amorphous carbon particles, and when a large amount of fly ash mixed with the unburned carbon is used as a cement substitute, a large amount of air entraining and water reducing Agent (AE) water reducing agent needs to be added to secure the same bottleneck, and this causes a problem of performance degradation such as reduction in durability.
When fly ash is added to concrete, it provides preferable characteristics of cement, and since unburned carbon in fly ash may cause insufficient air mixing in concrete, it is necessary to add a surfactant to the concrete mixture in order to adjust the air mixing amount in the mixing and casting process of concrete, thereby stabilizing the air void (air void) system.
As noted above, there is a need to provide improved methods and systems for treating fly ash that overcome the difficulties of liquid phase treating agents with bulk fly ash.
Also, there is a need to provide a uniform fly ash production process and system that does not require large changes in the current process of producing and treating fly ash, thereby minimizing the capital costs associated with the process.
In order to treat the fly ash, korean patent No. 10-1801530 (a fly ash treatment apparatus and a fly ash treatment method using the same) discloses a method of separating a treatment gas containing ash and sulfur compounds by collecting exhaust gas discharged from a coal-fired power plant, preparing sulfuric acid from the separated sulfur compounds, contacting the prepared sulfuric acid and ash to form a mixture, separating a slurry and an extract from the mixture, and drying the separated slurry and extract.
Korean patent publication No. 10-1547959 (a method of recovering unburned carbon from bottom ash by corona discharge electrostatic screening) discloses a technique of recovering unburned carbon from bottom ash in a coal ash generated after burning coal in a thermal power plant, recovering the unburned carbon and performing particle size separation for the purpose of using the buried bottom ash as a building material, removing broken and floating impurities for the purpose of improving screening efficiency, performing screening work for concentrating the unburned carbon content, applying a magnetic field of 2000 gauss suspended to the bottom ash from which the unburned carbon is concentrated to separate iron powder, and recovering the unburned carbon in the bottom ash from which the iron powder is separated in a corona discharge type typical screening process, which cannot remove a glass film of bottom ash particles.
In Korean patent application No. 10-1514124 (method for removing unburned carbon from fly ash by plasma), 1.2g of fly ash is dispersed in a chamber and oxygen (O) is added thereto in a plasma treatment process2) Water vapor (H)2O), mixed fluid of oxygen and water vapor (O)2+H2O) and the like, and reducing the pressure inside the chamber to 0.5torr, heating at 150 ℃ and then performing plasma treatment to remove the fly ash until the concentration of the fly ash is less than 1 percentIn the technique, there are problems that the pressure inside the chamber is reduced to 0.5torr, the oxidizing agent is continuously consumed, and the glass film on the surface of the soot particles cannot be taken out, and therefore, the apparatus becomes complicated in the process of increasing the size, and a large investment cost and a large maintenance cost are consumed.
As described above, in the conventional thermal power plant, the fly ash treatment technology for recovering from the gas of coal burned in the process is a part lacking in treatment efficiency due to the above-described problems, and a specific proposal for performing treatment with a large capacity while ensuring stability and durability has not been proposed yet.
Documents of the prior art
Patent document
Patent document 0001: 1. korean patent No. 10-1801530 (fly ash treatment device and fly ash treatment method using the same)
Patent document 0002: 2. korean patent No. 10-1547959 (method for recovering unburned carbon from bottom ash using corona discharge type electrostatic screening)
Patent document 0003: 3. korean patent No. 10-1514124 (method for removing unburned carbon from fly ash using plasma)
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a fly ash recycling device incorporating a quantum energy generator, comprising: a first storage tank provided at a rear end of the thermal power plant, collecting fly ash generated by burning coal in a boiler and discharging the coal in an electrostatic precipitator, transporting the collected fly ash by a tank car, and supplying the collected fly ash to a storage tank by pushing the fly ash to a blower attached to a vehicle body to store the fly ash; a feeder connected to the first storage tank, supplying high-pressure air generated by a blower provided on one side surface of the supply pipe to one side of the supply pipe, opening a rotary file part provided at a lower part of the storage tank to supply the fly ash stored in the first storage tank, and rotating a bolt provided in the supply pipe by a motor to supply the fly ash to the unburned carbon component removing part; unburned carbon removing part arranged opposite to one side surface in the main body and arranged on the DC power supplyA hollow shaft with an ejection port provided at a lower end thereof and a motor provided with a first spur gear and a shaft connected thereto, the hollow shaft having an ejection port provided at a lower end thereof, the hollow shaft penetrating an upper surface of the body and having a side surface provided with a second spur gear, the motor being provided with a first spur gear and a shaft connected thereto, the motor transmitting a rotational force of the motor to the second spur gear via the first spur gear, an ionizer provided at an upper portion of the hollow shaft so as to be spaced apart from the hollow shaft and rotating the ejection port, the ionizer pressurizing and ejecting external air to the fly ash transferred by the impactor to form voids between the fly ash particles, and the high pressure generated in the high pressure generator is applied to a discharge electrode and a ground electrode provided facing each other in an ionizer chamber to ionize the fly ash and the air passing through the discharge electrode and the ground electrode by electrochemical reactions such as dissociation, excitation, ionization, oxidation, and reduction, and then the like, and, in the process of spraying the fly ash from the injection port to the electrostatic dust collecting part (inside of the main body), the fly ash particles are ionized, the particles are mixed with air, the particles and the air are charged in the friction process with the inner surface of the hollow shaft and the inner surface of the injection port, and the unburned carbon C and alumina (Al) with large work function value are charged in the electron exchange process with different particles2O3) Silicon dioxide (SiO)2) Particles such as copper oxide (CuO) and the like are charged and collected to the positive electrode during the exchange of electrons, particles such as calcium oxide (CaO) having a small work function value are charged and collected to the negative electrode during the exchange of electrons, in a burner provided with insulation at the center of the negative electrode, unburned carbon C components collected to the positive electrode are directly burned by a flame generated by ignition of a spark generated by a spark plug after mixing external air with combustible gas or fuel in a liquid state received from a fuel supply pipe, and are removed by a combustion reaction, or the unburned carbon C components collected to the positive electrode are burned and removed by a combustion reaction by locally heating the positive electrode to 500 ℃ or more, which is the ignition temperature of the unburned carbon C, by supplying power to a heating coil provided in contact with the outer surface of a body attached to the portion of the positive electrode, by heating heat energy generated at the heating coil, in the control panel, the power supply is controlled by using a microcomputerPeriodically dedusting the fly ash collected at the positive pole and the negative pole to discharge the fly ash to the glass film removing part at the time selected in the range of 1 minute to 2 hours; a glass film removing part, wherein a fourth spur gear is arranged on the circumferential surface of one side of the lower inclined surface of a main body barrel with two circular ends and a cylindrical shape, a third spur gear which can be arranged on the third spur gear meshed with the fourth spur gear and is connected with a second driving motor through a shaft, a plurality of discharging electrodes or grounding electrodes are arranged on one side surface of the inner surface along the circumferential surface at a specified interval, a hole for reserving a space for the outer diameter of the second barrel is perforated on the central part of the upper surface to arrange a bearing unit according with the size of the perforated hole, the specified interval is maintained in the main body barrel, in the one side surface of the outer surface of the first barrel with two elliptic cylindrical ends, the grounding electrode or discharging electrode arranged on the inner surface of the main body barrel is oppositely arranged, the hole for reserving a space for the outer diameter of the second barrel is perforated on the central part of the upper surface of the first barrel, and a flange having the same size as the hole to be penetrated is provided, the lower end of a second barrel having two circular cylindrical ends is connected to the flange, the upper end penetrates the upper end of the main body barrel to protrude to the outside, a second spur gear is provided on the circumferential surface of the protruding second barrel on the upper end side, a motor connected to the first spur gear and the shaft is provided in correspondence with the second gear, and the rotational force of the motor is transmitted to the second spur gear through the first spur gear, so that the first barrel fixed to the second barrel provided with the second spur gear and the second barrel through the flange is rotated to leave a predetermined interval between the main body barrel and the first barrel, and the first barrel is an elliptic cylinder, and therefore, the air flow of the passage formed between the two barrels is rotated by the difference between the diameter of the short side and the diameter of the long side of the elliptic cylinder to generate the couette flow as the centrifugal force in the turbulent flow state, in a state where the first drum is rotated, a fourth spur gear is provided on a circumferential surface of a lower side surface of the main body drum, a motor for connecting the third spur gear to the shaft and the fourth spur gear are provided in correspondence, and a rotational force of the motor is transmitted to the fourth spur gear via the third spur gear, so that the main body drum is rotated in a direction opposite to the rotational direction of the first drum and is passed throughThe method comprises the steps of converting centrifugal force generated in different directions into spiral turbulence, vortex turbulence or further improved Kuaite flow state, forming gaps among fly ash particles by injecting external air under pressure to fly ash supplied by removing carbon components in an unburned carbon removing part through a fly ash supply part arranged at a distance from the end of the upper end part of a second barrel protruding to the outside of the upper surface of a main body barrel, applying pressure to liquid phase or gas phase fluorine compounds stored in a storage tank through a pump or a compressor, and then injecting the fly ash conveyed by high-pressure air through an injection nozzle, wherein a glass film coated on the fly ash particles contacting with the fluorine compounds is removed for the first time through chemical reaction with the fluorine compounds, and then, water vapor generated in a water vapor generator of the water vapor supply part is separated into condensed moisture and steam in a steam separator, and only dry steam is injected to the fly ash through the injection nozzle to be coated on the fly ash Silicon dioxide (SiO) as a main component substance of a glass film of particles2) And calcium oxide (CaO) are removed from the glass film coated on the surfaces of the fly ash particles for the second time, the fly ash particles flowing into the passage formed between the main barrel and the first barrel are dispersed into the Couette flow in a turbulent state to be repeatedly stirred, collided with the particles, and rotated in an irregular track, and are contacted with the fluorine mixture and the water vapor for a plurality of times at a plurality of angles, the glass film coated on the particle surface is removed by chemical reaction with a fluorine compound and hydrolysis with water vapor, high voltage generated by a high voltage generator is applied to a discharge electrode and a grounding electrode which are oppositely arranged on the inner surface of the main body cylinder and the outer surface of the first cylinder through a lead, so that discharge is started between the two electrodes, during the discharge, charged particles of electrons or ions and thermal electrons are released, and silicon dioxide (SiO) larger than the main component of the glass film is formed.2) Calcium oxide (CaO), sodium oxide (Na)2O), magnesium oxide (MgO), potassium oxide (K)2O) and barium oxide (BaO) material with work function (eV) (1.1 eV-5.0 eV), thereby removing the fly ash particles flowing into the passage (between the body barrel and the first barrel) for the third time and electrons or electrons during the dischargeWhen an AC power supply supplies power to a high-frequency induction heating coil wound in a predetermined number of turns in the circumferential direction along the outer side of a main body drum, a magnetic field generated at an angle of 90 degrees in the current flowing direction and the high-frequency induction heating coil are heated and conducted into the drum by heat conduction, so that a discharge electrode is heated, the charged particles of electrons or ions and the thermal electrons are activated by receiving the heating energy, the residence time of the charged particles of electrons or ions and the thermal electrons in a passage (between the discharge electrodes, between the main body drum and a first drum) is extended by the magnetic field, the number of elastic collisions with the fly ash particles is increased, and the glass film coated on the surfaces of the fly ash particles is effectively removed, the floating fly ash particles dispersed in the process of removing the glass film are sucked into the hollow of a first barrel of a vacuum structure by the suction force of a fan of a dust collector, flow into the dust collector through a second barrel connected with the first barrel through a flange, are discharged after dust removal, remove unburned carbon C contained in the fly ash, remove the glass film coated on the surfaces of the particles, and finally the treated fly ash passes through a discharge pipe and is supplied to a second storage tank due to the gravity difference formed by the opening of an electric valve arranged on the discharge pipe; a second storage tank having a hopper for simply storing the fly ash finally treated in the glass film removing part, wherein when the air pressurized by the blower is supplied to the discharge pipe and the motor provided at one side of the discharge pipe is driven, the electrically operated valve attached to the lower part of the hopper is opened in a state of being rotated by the bolt connected to the shaft, and thereby when the fly ash stored in the hopper is moved to the supply pipe, the fly ash is supplied and stored to the storage tank by the compressed air supplied by the blower and the rotation of the bolt; and a control panel for controlling the supply and disconnection of power to the first storage tank, the supply device, the unburned carbon component removal unit, the glass film removal unit, and the second storage tank by measuring data in real time by sensors provided in the first storage tank, the supply device, the unburned carbon component removal unit, the glass film removal unit, and the second storage tank and transmitting the data to the control unit.
The fly ash recycling device with the built-in glass film removing function, which is provided by the invention and used for solving the technical problems, comprises: a first storage tank 100 for transporting fly ash discharged from an electrostatic precipitator installed at the rear end of a boiler of a thermal power plant by a tanker 101, for being fed by a blower 102 attached to a vehicle body, and for being supplied to and stored in a first storage tank 104 through a supply pipe 103; a feeder 200 connected to the first storage tank 104, supplying high-pressure air generated by a blower 201 provided on one side of the bolt feeder to a discharge pipe 202, opening a rotary valve 105 provided at a lower portion of the first storage tank 104 to supply fly ash stored in the first storage tank 100, and discharging fly ash to a discharge port 205 connected to an unburned carbon component removing part 300 by rotating a bolt 203 connected to a motor 204 through a shaft by driving a driving motor 204 when supplying fly ash; an unburned carbon component removing part 300 provided at an upper part of a main body 301, wherein a fly ash supply pipe 312 supplied from a feeder 200 is provided at an upper center part of a chamber 311 having an inclined inner lower part, an air supply pipe 323 connected to the fly ash supply pipe 312 with a space therebetween is provided at an upper side of the chamber 311, a discharge electrode 313c and a ground electrode 313d receiving a high voltage generated by a high voltage generator 313a through a lead wire 313b are provided at an inclined inner lower part of the chamber 311 to face each other, a discharge pipe 314 is provided at a lower part, a + pole 342 and a-pole 343 of a DC power supply are provided at one side surface of the main body 301 to face each other, a hollow shaft 334 having an injection port 335 at a lower end thereof penetrates the upper surface of the main body 301, a second spur gear is provided at one side surface thereof, a motor 331 having a first spur gear 332 connected to a shaft is provided, and a rotational force of the injection port 335 is transmitted to the second spur gear 333 through the first spur gear 332 In a high field electron energy band in which high voltage generated by a high voltage generator is applied to a discharge electrode and a ground electrode which are provided in a chamber 311 of the ionizer 310 so as to face each other at inclined surfaces, and discharge between the two electrodes is started, the external air which is sucked and pressurized by a pressurizer 321 in advance in an air feeder 320 is sprayed to the fly ash transferred from the feeder 200 to the ionizer 310 which is provided at a position spaced apart from the upper part of a hollow shaft 334 which rotates, thereby generating a high-voltage electron energy bandThe fly ash particles are ionized by electrochemical reactions of dissociation, excitation, ionization, oxidation and reduction after forming gaps between the particles and passing the fly ash, the ionized fly ash particles are supplied to the upper part of the hollow shaft 334 and moved to the injection port 335 provided at the lower end through the hollow shaft 334, and in the process of injecting the fly ash from the injection port 335 into the main body 301, the fly ash particles are charged during the mixing of the particles and air, and the collision of the particles and air with the inner surface of the hollow shaft 334, so that in the process of electron exchange with different particles, unburned carbon C and alumina (Al) having a large work function value are generated2O3) Silicon oxide (SiO)2) Particles of copper oxide (CuO) are charged during the exchange of electrons and collected at the + pole 342, particles of calcium oxide (CaO) having a small work function value are charged during the exchange of electrons and collected at the-pole 343, in the burner 362 provided in the center of the-pole 343 in an insulated manner, the combustible gas received from the fuel supply pipe 361 or the fuel in a liquid state is mixed with the outside air introduced from the air introduction pipe 362, and thereafter, the unburned carbon C component collected at the + pole 342 is burned and removed by a flame generated by the ignition of a spark generated by the spark plug 364, or the unburned carbon C component collected at the + pole 342 is burned and removed by a combustion reaction by supplying a power source to the heating coil 352 provided on the outer surface of the body 301 in a portion where the + pole 342 is attached and locally heated to 500 ℃ or higher, which is the ignition temperature of the unburned carbon C by the heating coil 352 by the heat energy generated, in the control panel, the fly ash periodically removed dust at the + pole 342 and the-pole 343 is discharged to the glass film removing part at every time selected in the range of 1 minute to 2 hours by the power on/off control of the microcomputer; the glass film removing part 400 is composed of a turbulence generator 410 including a main body drum 401, a fly ash supply part 420, a fluorine compound supply part 430, a steam supply part 440, a high voltage discharge unit 450, and a heating unit 460, wherein a plurality of discharge electrodes 451 and ground electrodes 452 are provided at predetermined intervals along the circumferential surface on one side surface of the inner surface of the main body drum 401 having circular cylindrical ends, and a hole having a predetermined diameter is formed in the center of the upper surfaceA bearing unit 413c having a size corresponding to the size of the through hole is provided, a predetermined interval is maintained inside the body drum 401, a ground electrode 452 or a discharge electrode 451 is provided on one side surface of the outer surface of a first drum 411 having both ends in an elliptic cylindrical form, a flange 413d is provided on the upper surface of the first drum 411 so as to face the discharge electrode 451 or the ground electrode 452 provided on the inner surface of the body drum 401, the lower end portion of a second drum 412 having both ends in a circular cylindrical form is connected to the flange 413d, the upper end portion protrudes outside through the upper end portion of the body drum 401, a second spur gear 413b is provided on one side surface of the upper end portion of the protruding second drum 412, a motor 413 for connecting the first spur gear 413a to the shaft is provided in the same manner as the second spur gear 413b, the rotational force of the motor 413 is transmitted to the second spur gear 413b through the first spur gear 413a, and the second drum 412 and the first drum 411 provided with the second spur gear 413b are provided in such a manner that the first drum 411 has an elliptic cylindrical shape In the case where the airflow of the passage 402 formed between the two barrels 411 and 412 at a predetermined interval generates a swirling flow in a turbulent state by the rotation of the first barrel 411 due to the difference between the diameter of the short side and the diameter of the long side of the ellipse, the external air is applied to the fly ash supplied by removing carbon components in the unburned carbon removing unit 300 and the fly ash is injected into the fly ash supply unit 420 provided at a distance from the end of the upper end of the second barrel 412 protruding to the outside, the pressure is applied to the fluorine compound stored in the storage tank 432 or the container 432a by the pump 433 or the compressor 433a, and then the fly ash transferred by the high-pressure air is injected by the injection nozzle 434, the main component substance of the glass film coated on the surface of the fly ash particles in contact with the fluorine compound is removed by the chemical reaction with the fluorine compound, or the water vapor generated in the water vapor generator 441 is moved to the steam-water separator 443 by the pipe 442 and separated into condensed water and dry vapor, the separated dry steam is moved to the injection pipe 444, and the water vapor is mixed with Silica (SiO) which is a main component substance of the glass film coated on the surfaces of the fly ash particles2) Calcium oxide (CaO), barium oxide (BaO), magnesium oxide (MgO), and aluminum oxide (Al)2O3) Contact and mixing and removal by hydrolysis reaction with steam to the space formed between the body barrel 401 and the first barrel 411The fly ash particles flowing into the passage 402 are dispersed into a swirling flow in a turbulent state, and contact with the corrosive liquid several times at various angles in the process of repeating stirring, collision with the particles, and rotational motion of irregular locus, so that the glass film on the particle surface is eroded, a high voltage generated by the high voltage generator 451 is applied to the discharge electrode 451 and the ground electrode 452 provided opposite to the inner surface of the main body cylinder 401 and the outer surface of the first cylinder 411 through the lead 454, and discharge is started between the two electrodes 451, 452, and the charged particles of electrons or ions generated during the discharge and the thermal electrons released by the discharge electrode are heated, and the glass film coated on the surface is effectively removed in the continuous elastic collision process of the fly ash particles and the charges generated in a high electric field state by applying a high voltage generated by the high voltage generator 451 to the discharge electrode 451 and the ground electrode 452, when power is applied to the high-frequency induction heating coil 464 wound in a predetermined number of windings in the circumferential direction of the outer side surface of the main body drum 401 from the ac power supply 461, the high-frequency induction heating coil 464 is heated and conducted into the main body drum 401 by a heat conduction method to heat the discharge electrode 451 and increase the discharge efficiency, the high-frequency induction heating coil 464 receives the heating energy of the charged particles of electrons or ions and thermal electrons and activates the heating energy to increase the internal temperature and change the viscosity of the glass film coated on the surface of the fine coal ash particles, thereby improving the electrical conductivity and effectively removing the glass film, the floating fine coal ash particles scattered in the process of removing the glass film are sucked into the hollow of the first drum 411 having a hollow structure by the suction force of the fan of the dust collector, are introduced into the dust collector via the second drum connected to the flange 413d of the first drum 411 and are removed therefrom and then discharged into the atmosphere, unburned carbon C contained in fly ash is removed, a glass film coated on the particle surface is removed, and finally treated fly ash is supplied to the second storage tank 500 through the discharge pipe 403 due to a difference in gravity caused by opening of the electric valve 403a provided in the discharge pipe 403; the second storage tank 500 has a hopper 501 for storing the fly ash to be finally treated in the glass film removing part 400, and supplies the high-pressure air generated by a blower 503 provided on one side of a bolt feeder 505 to a discharge pipe 502 to drive a driving motor 506 to attach the rotary blade 50 to the outer surface thereof4 to supply the treated fly ash to the storage tank by rotation of the shaft 503; and a control panel 600 for performing the supply and disconnection of power to the first storage tank 100, the supply unit 200, the unburned carbon component-removing unit 300, the glass film-removing unit 400, and the second storage tank 500 by measuring data transmitted to the control unit in real time by sensors (not shown) provided in the first storage tank 100, the supply unit 200, the unburned carbon component-removing unit 300, the glass film-removing unit 400, and the second storage tank 500.
According to the apparatus for recycling fly ash with a built-in glass film removal function of the present invention, unburned carbon components in fly ash are ionized, collected in the electrostatic dust collector, and then the collected unburned carbon components are removed by a combustion reaction, so that when the apparatus is used as a material for replacing cement, the apparatus can be reused without requiring a large amount of water reducing agent in the process of ensuring a surfactant or a bottleneck for securing air voids.
However, the problem of potential hydraulicity that the glass film on the surface of the fly ash cannot be directly reacted with water can be solved.
And, the glass film on the surface of the fly ash is removed, thereby using the fly ash to increase compressive strength when concrete is cast.
Further, when concrete is prepared using fly ash, the amount of cement used can be reduced, and the amount of carbon dioxide generated in the cement preparation process and the preparation cost can be reduced according to the reduced amount of use, and moreover, the effects of improving the performance such as the convenience of construction, the improvement of long-term strength, and the improvement of chemical durability due to the increase of fluidity can be obtained.
Meanwhile, combustion waste generated in a combustion process of a thermal power plant or the like can be reused as a resource.
Drawings
FIG. 1 is a system diagram showing a fly ash recycling apparatus with a built-in glass film removal function according to the present invention.
Fig. 2 is a sectional view illustrating the first storage tank of fig. 1.
Fig. 3 is a sectional view illustrating the feeder of fig. 1.
FIG. 4 is a sectional view showing an unburned carbon component-removed portion in FIG. 1.
Fig. 5a is a sectional view illustrating the ionizer of fig. 4.
Fig. 5b is a sectional view illustrating the swirl generator of fig. 4.
Fig. 5c is a sectional view illustrating the electrostatic dust collection part of fig. 4.
Fig. 6 is a sectional view illustrating a glass film removing part of fig. 1.
Fig. 7a is a cross-sectional view showing the fly ash supply of fig. 6.
Fig. 7b is a sectional view showing the fluorine compound supply part of fig. 6.
Fig. 7c is a sectional view illustrating the water vapor supply part of fig. 6.
Fig. 7d is a sectional view illustrating the high-voltage discharge portion of fig. 6.
Fig. 7e is a sectional view illustrating the heating unit of fig. 6.
Fig. 8 is a sectional view illustrating the second storage tank of fig. 1.
Fig. 9 is a sectional view of a control panel of the fly ash recycling device with a built-in glass film removal function according to the present invention.
Description of reference numerals
100: the first storage tank
101: tanker 102: air blower
103: supply pipe 104: storage tank
105: rotary valve
200: feeding device
201: the blower 202: supply pipe
203: the bolt 204: driving motor
205: discharge port
300: unburned carbon powder removing part
301: the housing 302: discharge pipe
303: the electric valve 310: ionization device
311: chamber 312: fly ash supply pipe
313: nozzle 313 a: high voltage generator
313 b: lead 313 c: discharge electrode
313 d: ground electrode 314: discharge pipe
320: air supply part
321: outside air introduction pipe 322: pressurizer
323: supply pipe 330: vortex generator
331: the motor 332: first spur gear
333: second spur gear 334: hollow shaft
335: injection port 336: bearing assembly
335 a: collision plate 335 b: bottom perforation
335 c: side perforation 340: electrostatic dust collecting part
341: dc power supply 342: + electrode
343: the electrodes 344: conducting wire
350: heating section 351: power supplier
352: heating coil 353: conducting wire
360: combustion portion 361: fuel supply pipe
362: the combustor 363: external air introduction part
364: spark plug
400: glass film removing part
401: body barrel 402: vias
403: discharge pipe 404: support frame
405: first bearing unit 406: second bearing unit
407: the second drive motor 408: third spur gear
409: fourth spur gear 410: turbulence generator
411: first barrel 412: second barrel
413: motor 413 a: first spur gear
413 b: second spur gear 413 c: bearing assembly
413 d: flange 413 e: connecting piece
420: fly ash supply part
421: air pressurizer 422: spray nozzle
423: fly ash supply pipe 430: fluorine compound supply part
431: the inflow pipe 432: liquid phase fluorine compound storage tank
432 a: gas-phase fluorine compound storage tank 433: pressure pump
433 a: the compressor 434: supply pipe
435: the spray nozzle 440: steam supply part
441: water vapor generator 442: supply pipe
443: steam-water separator 444: jet orifice
450: the high-voltage discharge unit 451: discharge electrode
452: ground electrode 453: high voltage generator
454: lead 454 a: connecting piece
460: heating unit
461: ac power supply 462: frequency oscillator
463: lead 463 a: connecting piece
464: induction heating coil
500: the second storage tank
501: the hopper 502: electric valve
503: the blower 504: discharge pipe
505: transfer bolt 506: motor with a stator having a stator core
507: the storage tank 508: filtering dust collector
509: discharge solenoid valve
600: control panel
Detailed Description
The present invention is described in detail with reference to the accompanying drawings so that those skilled in the art to which the present invention pertains can easily carry out the present invention.
FIG. 1 is a system diagram showing a fly ash recycling apparatus with a built-in glass film removal function according to the present invention.
Referring to fig. 1, the fly ash recycling apparatus with a built-in glass film removal function includes a first storage tank 100, a feeder 200, an unburned carbon removal unit 300, a glass film removal unit 400, a second storage tank 500, and a control panel 600.
The first storage tank 100 is provided at the rear end of a boiler of a thermal power plant, separates fly ash collected and collected by an electrostatic precipitator from exhaust gas discharged by burning coal in the boiler into particles having a predetermined size, conveys the separated fly ash by a tanker 101, transfers air pressurized by an air blower 102 to a supply pipe side, supplies the air to a storage tank 104 through a supply pipe 103, and stores the air.
The feeder 200 is connected to the storage tank 104, supplies air pressurized by a blower 201 provided on one side surface of the supply pipe to the discharge pipe 202, activates an electric rotary valve 105 provided in the lower part of the storage tank 104 to supply the fly ash stored in the first storage tank 100 to the supply pipe, and drives a drive motor 204 connected to a shaft of a bolt 203 provided inside the supply pipe 202 to discharge the fly ash flowing in from the supply pipe 104 to a discharge port 205 connected to the unburned carbon component removal unit 300.
The unburned carbon removing unit 300 includes a main body 301, an ionizer 310, an air supply unit 320, a swirl generator 330, an electrostatic dust collecting unit 340, a heating coil 350, and a combustion unit 360, and is configured such that a direct current power is supplied to a + electrode 342 and a-electrode 343 having different polarities from each other through a lead wire 344 in a power supply unit 323, external air is sucked into the pressurizer 322, and the pressurized air is supplied to the upper portion of a chamber 311 of the ionizer 310 through a supply pipe 323 to inject fly ash flowing into a supply pipe 312 connected to the chamber 311, thereby forming a gap between the fly ash particles, and a high voltage generated by a high voltage generator 313a is applied to a discharge electrode 313C and a ground electrode 313d provided opposite to each other on an inner inclined surface of the chamber 311 of the ionizer 310 through a lead wire 313b during pressurization, thereby dissociating, ionizing, oxidizing, and oxidizing the fly ash particles, The electrochemical reaction of the reduction reaction ionizes the fly ash and air, and then the air is supplied to the hollow portion of the hollow shaft 334 through the discharge port 314 and is injected into the injection port 335 of the swirl generator 330 rotating at a high speed, so that the air is charged while the ionized high-pressure air is mixed with the ionized fly ash, the fly ash particles collide with the collision plate 335a, the fly ash particles are rubbed with the inner surface of the chamber 311, the inner surface of the hollow shaft 334 and the inner surface of the injection port 335, and the fly ash particles are re-dispersed in the injection port 335 into the electrostatic dust collecting part 340 by the swirl generated by the centrifugal force in the process of colliding with the collision plate 335a provided at the center portion of the bottom surface of the injection port and injecting the fly ash into the main body 301 through the holes 335c perforated at a predetermined diameter at intervals on the side surface, at the contact interface between the two substances, until the energy levels are the same, during the movement between the substances, the substances are ionized by the affinity scale with the electrons of the substances (+ ions, -ions), and then fall inside the electrostatic dust collection part 340 to be collected to the + electrode 342 and the-electrode 343 to which the dc power is supplied from the dc power supply 341, and at the same time, the power supply 351 supplies power to the heating coil 352 provided in contact with the + electrode 342 and the-electrode 343 to apply the thermal energy of the heating element to the + electrode 342 and the-electrode 343 by the heat conduction method so as to reach the ignition temperature of the unburned carbon of 500 ℃ or more, and the unburned carbon component trapped at the + electrode 342 is removed by the combustion reaction, or the fuel supplied through the fuel supply pipe 361 connected to the burner 362 is mixed with the air flowing in the air introduction pipe 363, and then the high temperature flame is ignited by the spark generated by the spark plug 364, unburned carbon components trapped in the + electrode 342 are directly burned and removed, and fly ash adhered to the + electrode 342 is removed by power on/off control by a microcomputer at a control panel and supplied to the glass film removing portion 400 by opening the motor-operated valve 303 provided in the discharge pipe 302 at a time selected in a range of 1 minute to 2 hours.
The glass film removing part 400 is composed of a turbulence generator 410, a fly ash supply part 420, a fluorine compound supply part 430, a water vapor supply part 440, a high-voltage discharge unit 450, and a heating unit 460, and a hole having a space left in the outer diameter of the second barrel 412 is bored in the center of the upper surface of the main body barrel 401 having a cylindrical shape with both ends being circular, a bearing unit 413c having a size corresponding to the bored hole is provided, a fixing member 404 having a cross shape is provided on one side surface of the inner lower part, a hole having a space left in the outer diameter of the shaft 411b attached to the lower part of the first barrel 411 is bored in the center, and a bearing unit 405 having a size corresponding to the hole is provided.
A fourth spur gear 409 is provided on the circumferential surface on the side of the inclined outer surface on the lower side of the body drum 401, a third spur gear 408 that is in gear engagement with the fourth spur gear 409 is provided, a motor 407 is provided to which the third spur gear 408 is connected to a shaft, and the rotational force of the motor 407 is transmitted to the fourth spur gear 409 via the third spur gear 408, so that the body drum 401 is rotated in the direction opposite to the rotational direction of the first drum 411. The turbulence generator 410 comprising the body barrel 401 comprises: a body barrel 401; a fourth spur gear 409 provided on the circumferential surface of the lower inclined surface of the body drum 401; a motor 407 in which a third spur gear 408 is provided in gear engagement with a fourth spur gear 409, and the motor 407 to which the third spur gear 408 is connected is provided; and a second barrel 412 connected to a flange 413d provided at the center of the upper surface of the first barrel 411, a second spur gear 413b provided on the circumferential surface of the second barrel 412, a first spur gear 413a provided in a row so as to be in gear engagement with the second spur gear 413b, and a motor 413 provided on the shaft with the first spur gear 413 a.
The first barrel 411 has a cylindrical shape with an elliptical cross section, and has a closed upper portion and an open lower portion. The second barrel 412 has a cylindrical shape with a circular cross section, and has an open upper portion and an open lower portion. A fixing plate 411a having a cross shape is provided on the lower end surface of the first barrel 411, a shaft 411b having a predetermined diameter is provided at the center, a shaft 411b of the first barrel 411 is provided on a bearing unit 405 provided at the center of the holder 404, the holder 404 is provided at the lower part inside the fixed barrel 401, a flange 413d having a space for the outer diameter of the second barrel 412 is provided at a position where a hole having a predetermined diameter is bored at the center of the upper surface, the flange 413d penetrates the hollow part of a bearing unit 413c provided at the center of the upper surface of the main body barrel 401, and the lower end of the second barrel 412 which is lowered is inserted into the flange 413d and fastened by a bolt.
A fixing rod 411b having a cross shape is provided at the center inside the lower end of the first barrel 411 having an elliptical cylindrical shape, and a shaft 411b having a predetermined diameter and a predetermined length is provided at the center of the fixing rod. A second spur gear 413b is provided on one side surface of the upper portion of the second drum 412 at a distance from the upper surface of the main body drum 401, a first spur gear 413a is provided so as to be in gear engagement with the second spur gear 413b, and a motor 413 having the first spur gear 413a provided on its shaft is provided, and when power is supplied to the motor 413 through the control panel 600, the first drum 411 and the second drum 412 connected to the second spur gear 413b are rotated.
When the first barrel 411 and the second barrel 412 are rotated, centrifugal force is generated, and the first barrel 411 is an elliptic cylinder, and therefore, due to the difference between the diameter of the short side and the diameter of the long side, in the passage 402 between the main barrel 401 and the first barrel 411, the flow of the fluid is in a turbulent flow state, the fly ash supplied to the fly ash supply part 420 by removing carbon components in the unburned carbon removing part 300 is injected with high-pressure air pressurized by the pressurizer 421 to form gaps between the fly ash particles, the liquid-phase or gas-phase fluorine compound stored in the storage tank 432 or the gas-phase storage container 432a of the liquid-phase fluorine compound supply unit 430 is pressurized by the pump 433 or the compressor 433a and injected into the fly ash transported by the high-pressure air through the injection nozzle 435, the glass powder thus passes through Silica (SiO) which is a main component constituting a glass film coated on the surface of the fly ash.2) Calcium oxide (CaO), sodium oxide (Na)2O), magnesium oxide (MgO), potassium oxide (K)2O) and barium oxide (BaO) are chemically reacted to remove the glass film, and then, among the water vapor generated by the water vapor generator 441 of the water vapor supply unit 440, water and steam are separated by the water separator 443 via the supply pipe 442, and only dry steam is injected into the fly ash via the injection port 444, so that the fly ash particles are mixed with Silica (SiO) (a main component substance of the glass film coated on the fly ash particles)2) Calcium oxide (CaO), sodium oxide (Na)2O), magnesium oxide (MgO), potassium oxide (K)2The glass film coated on the surfaces of the fly ash particles is removed for the second time by hydrolysis of substances such as O) and barium oxide (BaO), and the fly ash particles flowing in through the passage 402 formed between the main body barrel 401 and the first barrel 411 are dispersed and repeatedly stirred in the couette flow state which is a turbulent flow state, collide with the particles, and rotate in an irregular trajectory, and the chemical reaction and hydrolysis reaction of the fluorine compound and water vapor with the fly ash particles are performed, thereby removingA plurality of discharge electrodes 451 and ground electrodes 452 are provided on the inner surface of a barrel 401 of a body constituting a passage 402 and on the outer surface of a first barrel in such a manner as to face each other except a glass film coated on the surface of fly ash particles, and when a high voltage generated by a high voltage generator 453 is applied to the two electrodes 451, 452 through a lead 454 and a connector 454a, discharge is started between the two electrodes 451, 452, charged particles which discharge electrons or ions and thermal electrons generated in the heating process of the discharge electrodes are discharged during the discharge, and Silica (SiO) which is a main component of the glass film is formed larger than that of the glass film (silicon oxide) which is a main component of the glass film2) Calcium oxide (CaO), sodium oxide (Na)2O), magnesium oxide (MgO), potassium oxide (K)2O), high field energy band (5 eV-5 KeV) of work function (eV1.1eV-5.0 eV) of barium oxide (BaO) substance, fly ash particles flowing into the formed high energy band, and high frequency induction heating coil 454 wound by a predetermined number of windings in a circumferential direction along an outer side surface of body drum 401, to which a power source of AC power source supplier 461 is supplied through frequency oscillator (not shown), are supplied with a high frequency current of 60Hz amplified to an appropriate value selected from a range of 20KHz to 500KHz in a frequency oscillating circuit of frequency oscillator 462, and are supplied with induction heating coil 464 of winding number calculated in advance and related to target heat through lead 463 and connecting piece 463a, and the outputted high frequency current flows through induction heating coil 464, generating a magnetic field through an induction heating coil 464, the generated magnetic field penetrating the body drum 401, flowing an induction current (induced heat) in the body drum 401 at a skin depth (skin depth) where the magnetic field penetrates, generating joule heat (joule heating), supplying heat to the inside of the body drum 401 in a heat conduction manner, heating the fly ash particles passing through a passage 402 formed between the body drum 401 and the first drum 411 and the electrodes 451, 452 provided in the body drum 401 and the first drum 411 to improve discharge efficiency, activating the charged particles and the thermoelectrons of the electrons or ions generated during the discharge of the electrodes 451, 452 to enhance the elastic collision strength between the fly ash particles and the charges and thermoelectrons, and generating the magnetic field at the induction heating coil 464The residence time of the charges and the thermal electrons is prolonged to increase the elastic collision times of the fly ash particles and the charges and the thermal electrons, thereby further improving the glass film removing efficiency.
The second storage tank 600 temporarily stores the fly ash finally treated in the glass film removing unit 400 in the hopper 501 for simple storage, and supplies air pressurized by the blower 503 to the discharge pipe 504 to drive the motor 506 provided on one side of the discharge pipe 504, and is connected to the motor shaft 506, and when the screw-shaped shaft 505 having blades attached to the outside in the spiral direction is rotated, and the electric rotary valve 502 attached to the lower portion of the hopper 501 is opened to transfer the fly ash stored in the hopper 501 to the discharge pipe 504, the compressed air supplied by the blower 503 and the rotation of the screw 505 supply and store the fly ash to the storage tank 507.
The control panel 600 can perform a control function of supplying and stopping power to and from the first storage tank 100, the supplying unit 200, the unburned carbon component removing unit 300, the glass film removing unit 400, and the second storage tank 500 by measuring data transmitted to the control unit in real time by sensors (not shown) provided in the first storage tank 100, the supplying unit 200, the unburned carbon component removing unit 300, the glass film removing unit 400, and the second storage tank 500.
Fig. 2 is a sectional view illustrating the first storage tank of fig. 1.
Referring to fig. 2, the first storage tank 100 includes a tank truck 101, a blower 102, a supply pipe 103, a storage tank 104, and a dust collector 105.
The first storage tank 100 is provided at the rear end of a boiler of a thermal power plant, separates the particle size of fly ash collected by exhaust gas collected by an electrostatic precipitator and discharged by burning coal in the boiler, and then carries the fly ash by a tanker 101, and after a supply pipe 103 and a tanker discharge pipe are connected, a valve (not shown) is opened, high-pressure air generated by activating a blower 102 attached to a vehicle body 101 is supplied to the supply pipe 103 to pressurize the fly ash stored in the tanker 101 by air pressure and supply the fly ash to a storage tank 104, and in order to prevent an increase in the internal pressure of the storage tank 104, a fixed valve filter unit 105 is provided at an upper portion side of the storage tank to filter and recover fly ash floating in the discharged air by a filter, and supply the fly ash in the tanker 101 to the storage tank for storage.
The blower 200 is used by selecting one or more types suitable for the field from among a ring blower, a turbo fan, and an air compressor.
The remaining structure of the valve filter unit 105 provided at the upper portion of the storage tank 104 is suitable for a high performance filter more than a high efficiency particulate air filter capable of sufficiently collecting the fly ash.
The material of the storage tank 104 is a common material such as carbon steel (SS400) and stainless steel (STS 304).
Fig. 3 is a sectional view illustrating the feeder of fig. 1.
Referring to fig. 3, the feeder 200 is connected to the storage tank 104, supplies air pressurized by activating a blower 201 provided on one side surface of the supply pipe 202 to the supply pipe 202, drives an electric rotary valve 105 provided at a lower portion of the storage tank 104 to supply fly ash stored in the storage tank 104 of the first storage tank, and is provided inside the supply pipe 202, and when the motor 204 is activated in a state where the bolt 203 is connected to the shaft of the motor 204, the bolt 203 connected to the shaft of the motor is rotated to discharge fly ash flowing into the supply pipe 203 to the discharge port 205, thereby supplying the fly ash to the unburned carbon removal unit 300 by a gravity difference.
FIG. 4 is a sectional view showing an unburned carbon component-removed portion in FIG. 1.
Referring to fig. 4, unburned carbon component removing unit 300 includes main body 301, ionizer 310, air supply unit 320, swirl generator 330, electrostatic dust collecting unit 340, heating coil 350, and combustion unit 360.
The body 301 may have a cylindrical or rectangular parallelepiped shape with a lower portion inclined, the swirl generator 330 is provided at an interval on an upper surface, the fly ash supply pipe 312 is provided on an upper portion of a hollow shaft 334 penetrating the center of a second spur gear 333 of the swirl generator 330, and the discharge electrode 313c and the ground electrode 313d receiving a high voltage generated by the high voltage generator 313b through a lead 313b are provided on a lower inclined surface so as to face each other on a lower cylinder inclined surface inside the chamber 311. In the upper center part of the inside of the body 301, an injection port 335 of the swirl generator 330 is provided at the end of a shaft 323 penetrating the hollow structure, and a + electrode 342 and a-electrode 343 having different polarities are provided at the same height as the injection port 335 in the electrostatic dust collecting part 340 so as to face each other with a gap therebetween in the direction of both side surfaces. A heating coil 352 of a heating element is provided in contact with the surface of the + electrode 342, and a burner 362 of a combustion unit 360 is provided on one side surface of the main body 301 on the side of the-electrode 343 through the main body 301.
The ionizer 310 has a fly ash supply pipe 312 supplied from the supplier 200 provided in the upper center of a chamber 311 having an inclined lower portion, an air supply pipe 323 connected to the fly ash supply pipe 312 at a high pressure with a gap provided in the upper side of the chamber 311, a discharge electrode 313c and a ground electrode 313d which are provided opposite to each other on the inclined lower portion of the chamber 311 via a lead 313b and receive a high pressure generated in a high pressure generator 313a, and a discharge port 313 having a reduced diameter formed in the lower surface of the chamber 311 with a gap provided therebetween.
Fly ash is supplied from the feeder 200 to a fly ash supply pipe 312 connected to the upper portion of the chamber 311, in the high-pressure air supply unit 320, pressurized high-pressure air is supplied to the supply pipe 323 connected to the upper portion of the chamber 311 by selecting a specific pressure within the range of a water head pressure of 200mmaq to 5000mmaq, and when supplied to the inside of the chamber 311, voids between the fly ash particles are formed by vigorous stirring with the fly ash particles based on the pressurized air, and then, discharge is initiated between the discharge electrode 313c and the ground electrode 313d receiving the high voltage generated at the high voltage generator 313a through the conductive wire 313b and a gap is formed between the fly ash particles by high field electron energy band and injecting pressurized external air to the fly ash, and after the fly ash is ionized by electrochemical reaction of dissociation, excitation, ionization, oxidation and reduction, the pulverized fuel ash with ionized particles is transferred to the swirl generator 330 through the discharge port 314.
The high-pressure air supply unit 320 includes an outside air introduction pipe 321, a pressurizer 322, and a discharge pipe 323. When power is supplied to the pressurizer 322 from the control panel 600, the pressurizer 322 is driven to introduce outside air through the outside air introduction pipe 321, and supply a pressure selected from a range of a water head pressure of 200mmaq to 5000mmaq to the mixer 310 through the discharge pipe 323, and the pressurizer 322 for applying pressure to the outside air is selected from among ring type, turbo blower, piston type, and bolt type air compressors in consideration of working conditions and used.
Fig. 5a is a sectional view illustrating the ionizer of fig. 4, and fig. 5b is a sectional view illustrating the swirl generator of fig. 4.
Referring to fig. 5a and 5b, the swirl generator 330 is composed of a motor 331, a first spur gear 332, a second spur gear 333, a hollow shaft 334, and an injection port 335, on the upper outer surface center side of the main body 301, a first spur gear 332 having a predetermined diameter is provided at a distance from the center of the main body 301 via a motor 331 connected to a shaft, in the center portion, a second spur gear 333 attached to the circumferential surface on the side of the hollow shaft 334 is provided at an interval from the main body 301 in the upper direction, the upper end of the hollow shaft 334 is connected to the chamber 311 of the ionizer 310, with the second spur gear 333 as the center, the lower part of the hollow shaft 334 penetrates the main body 301, passes through the center of the bearing 336 provided at the penetrating part, a hole having a predetermined diameter is formed in the bottom surface of the circumferential surface side surface of the tip, and a cylindrical jet port 335 to which a conical collision plate 335a formed into a concave-convex shape is attached is provided in the center of the bottom surface.
When the motor 331 is driven by receiving power from the control panel 600, the first spur gear 332 connected to the motor shaft rotates at a rated revolution speed (RPM) of the motor 331, and is geared, the second spur gear 333 having a diameter smaller than or equal to that of the first spur gear 332 rotates at a rated revolution speed (RPM) equal to or larger than that of the motor 331, penetrates the center of the second spur gear 333, is fixed by penetrating the bearing 336, and the injection port 335 provided at the lower end also rotates at a revolution speed of the second spur gear 333.
In the ionizer 310, the fly ash charged by the high-voltage discharge is ejected at a high speed from the ejection port 313 of the chamber 311, flows into the upper part of the hollow shaft 334 of the swirl generator 330, and is ejected into the ejection port 335, collides with the collision plate 335a provided at the center of the bottom surface, and then is scattered into the ejection port 335, and passes through a plurality of holes bored in the bottom surface of the ejection port 335335b and a plurality of holes 335C perforated with a predetermined diameter on the outer circumferential surface of the side surface are ejected into the main body 301, and in the ejection process, in the high-speed ejection process based on the high-speed airflow (pressurized air) and the friction with the inner surface of the air shaft 334, the collision between the fly ash particles, the collision with the collision plate 335a in the ejection port 335, and the centrifugal force in the ejection holes 335b and 335C of the ejection port 335 in the hollow shaft 334, unburned carbon C and alumina (Al) in the fly ash ionized by the high-pressure discharge are ejected into the chamber 3112O3) Silicon dioxide (SiO)2) Contact between different particles such as calcium oxide (CaO), iron oxide (FeO), and copper oxide (CuO), and contact interfaces between different substances of electrons generated by triboelectric charging move electrons to other substances to the same energy level, have high affinity for electrons, and have a large work function value2O3) Silicon dioxide (SiO)2) The particles of copper oxide (CuO) carry (-) charges during the exchange of electrons and are collected to the + pole 342, while the particles of calcium oxide (CaO) having a low affinity and a small work function value carry (+) charges during the exchange of electrons and are collected to the-pole 343.
A substance will lose electrons and carry a (-) charge, and a substance will gain electrons and carry a (+) charge. The scale of the affinity for the electrons of each substance is called the work function (work function), which means the energy required to move one electron infinitely on the surface of the substance, depending on the chemical combination of the surface of the substance, each substance having a fixed value.
When substances having different work functions are brought into contact with each other, electrons are exchanged until there is no work function difference therebetween, and a substance having a low work function has a (+) charge and a substance having a high work function has a (-) charge.
Unburned carbon C in fly ash has a work function of 4.0eV and alumina (Al)2O3) Has a work function of 4.70eV, silicon dioxide (SiO)2) Has a work function of 5.0eV, calcium oxide (CaO) of 1.6+ -0.2 eV, iron oxide (FeO) of 3.85eV, and copper oxide (CuO) of 4.38 eV.
Further, the lower portion inside the chamber 311 is inclined, the diameter of the discharge port 314 is reduced, and by intensive mixing by the high-speed airflow, the number of collisions between the particles of the fly ash increases and the particles collide with the inner surface of the chamber 311, so that the amount of charge increases, and the charging efficiency is improved.
The particles are charged, and the charged fly ash particles form voids by the pressurized air, maintain a predetermined flow velocity, and maintain an aerosol state, and improve the separation efficiency by the standing function of the aggregation phenomenon between ions.
Fig. 5c is a sectional view illustrating the electrostatic dust collection part of fig. 4.
Referring to fig. 5c, the electrostatic dust collection part 340 is composed of a dc power supplier 341, a + electrode 342, an-electrode 343, and a lead wire 344. The + electrode 342 and the-electrode 343 are provided inside the main body 301 so as to face the inside of the main body 301 with a predetermined interval along the lower side of the ejection port 345 of the swirl generator 330. High voltage generated by the dc power supply 341 is applied to the + electrode 342 and the-electrode 343 having different polarities to form an electric field between the electrodes 342, 343, and when the fly ash particles charged and dropped in the injection port 335 pass between the electrodes 342, 343, unburned carbon (C) and alumina (Al) having high work functions in the fly ash according to the charged polarities (+, -) are generated2O3) Silicon dioxide (SiO)2) Particles such as copper oxide (CuO) and the like are charged (-) during the exchange of electrons and adhere to the + electrode 342 subjected to the electrostatic attraction, and particles such as calcium oxide (CaO) and the like are charged (+) during the exchange of electrons and move to the-electrode 343 and are separated and adhered, and then, the dust removal process is repeatedly performed at a time selected in the range of 1 minute to 2 hours by the on-off control of the power supply for the computer in the control panel.
The + electrode 342 and the-electrode 343 are made of one or more materials selected from copper (Cu), carbon (C), silver (Ag), stainless steel (STS304), and the like, which have excellent conductivity. When a dc high voltage is applied to the + electrode 342 and the-electrode 343 by the high voltage generator 341, the electrostatic attraction generated between the two electrodes 342, 343 is proportional to the intensity of the voltage applied to the two electrodes 342, 343 by the high voltage generator 341 and the separation distance D between the two electrodes 342, 343, and therefore, in order to improve the efficiency of separating unburned carbon components, a high voltage is required for the output side voltage of the high voltage generator 341 and the separation distance D between the two electrodes 342, 343 needs to be small. Further, in order to increase the fly ash treatment amount significantly, it is necessary to secure a sufficient separation distance D between the two electrodes 342 and 343, and since the separation efficiency of unburned carbon components decreases as the separation distance D increases, a suitable voltage is selected from the range of dc 12V or more as the input voltage of the high-voltage generator and dc 1KV to 500KV as the output-side voltage of the high-voltage generator to increase the fly ash treatment amount while maintaining a stable separation efficiency of unburned carbon components.
The heating section 350 is composed of a power supply unit 351, a heating coil 352, and a lead 353, and supplies a dc or ac power supply to the heating coil 352 provided in contact with the surface of the + electrode 342 through the lead 353, so that the heat energy generated in the heating element 352 is transferred to the + electrode 342 by heat conduction to heat the + electrode 342 to 500 ℃.
The combustion unit 360 is composed of a fuel supply pipe 361, a burner 362, an air supply port 363, and a spark plug 364, and is provided to penetrate the main body 301 so as to face the positive electrode 342 after performing insulation and heat insulation treatment on the outside of the center portion of the negative electrode 343 of the electrostatic dust collection unit 340 provided on one side surface of the main body 301.
In the process of passing through swirl generator 330, two substances having different work functions (function functions) are rubbed during contact between fly ash particles, friction with the inner surface of injection port 335, and collision between particles, and carbon (C) and alumina (Al) having large work functions are rubbed2O3) Silicon dioxide (SiO)2) Particles of copper oxide (CuO) or the like are charged (-) during the exchange of electrons, and adhere (collect) to the + electrode 342 of the electrostatic dust collecting part 340, and receive hydrogen (H) from the fuel supply pipe 3612) Gas, methane (CH)4) Gas, water gas (CO-H)2) The outside air introduced into the air introduction pipe 363 from the burner 362 and the like are mixed with combustible gas such as gasoline, diesel oil, kerosene, or the like, or combustible liquid fuel such as gasoline, diesel oil, kerosene, or the likeThe spark generated by the spark plug 364 ignites to burn the fuel, and the unburned carbon (C) adhered to the + electrode 342 of the electrostatic dust collecting part 340 is directly burned by a high-temperature flame, thereby discharging carbon monoxide (CO) or carbon dioxide (CO) through a combustion reaction2) And the related combustion reaction formulas such as the following reaction formula 1, reaction formula 2 and reaction formula 3 are removed.
[ Combustion reaction formula 1]
Figure BDA0002396697200000191
[ Combustion reaction formula 2]
Figure BDA0002396697200000192
[ Combustion reaction formula 3]
Figure BDA0002396697200000193
(for practical application of conquering thermal management, Press: Special Shi, author: external temporary administration)
The amount of combustion heat in the combustion reaction formula 1, the combustion reaction formula 2, and the combustion reaction formula 3 increases the temperature inside the main body 301, and therefore, the amount of electric power supplied from the power supply 351 to the heating element 352 of the heating portion 350 can be reduced by the amount corresponding to the amount of combustion heat in the combustion reaction formula 1, the combustion reaction formula 2, and the combustion reaction formula 3, and the amount of combustion supplied to the burner 362 of the combustion portion 360 can be reduced.
As described above, the fly ash from which unburned carbon components have been removed is dedusted at selected times in the range of 1 minute to 2 hours by the power on/off control of the microcomputer, and is discharged to the glass film removing portion 400 by opening the motor-operated valve 303 provided in the discharge pipe 302 of the main body 301.
Fig. 6 is a sectional view illustrating a glass film removing part of fig. 1.
Referring to fig. 6, the glass film removing unit 400 includes a turbulence generator 410 including a main body cylinder 401, a fly ash supply unit 420, a fluorine compound supply unit 430, a steam supply unit 440, a high-voltage discharge unit 450, and a heating unit 460.
The turbulence generator 410 including the body barrel 401 includes: a body barrel 401; a third spur gear 408 provided on the circumferential surface of one side surface of the inclined lower portion of the main body drum 401, meshing with the teeth of the fourth spur gear 409, and provided at the shaft end of the second motor 407; a first barrel 411 disposed inside; a second barrel 412 disposed outside the body 401; a plate-shaped flange 413d for connecting the first barrel 411 and the second barrel 412; a bearing unit 413c provided at the center of the body drum 401; a second spur gear 413b provided on one side surface of the second barrel 412; a first spur gear 413a in gear engagement with a second spur gear 413 b; a first motor 413 connected to the first spur gear 413b for rotating the first and second drums 411 and 412; and a fixing rod 404 and a bearing unit 405a for fixing the first barrel 411.
The body drum 401 of the turbulence generator 410 including the body drum 401 is a cylindrical shape having both ends rounded, and is connected to a fly ash supply part 420 provided with a fluorine compound supply part 430 and a steam supply part 440 on one side surface of the upper part, a fly ash discharge pipe 403 for removing a glass film is provided at an inclined end of the lower part, a fixing rod 404 having a cross shape is provided at an interval from the discharge pipe 403 along the upper direction, a bearing unit 404a having a hollow part with a space larger than the outer diameter of a shaft 411b of the first drum 411 is provided at the center part, a fourth spur gear 409 is provided on the outer circumferential surface, and a motor 407 for connecting the third spur gear 408 and the shaft is configured to match the gear of the fourth spur gear 409 with the gear 408.
Further, on the outer circumferential surface of the inner side, a plurality of discharge electrodes 451 and ground electrodes 452 of the high-voltage discharge unit 450 are provided on the outer circumferential surface with a gap therebetween, and the heating coils 462 of the heating unit 460 are wound at a predetermined number of windings on the outer circumferential surface of the discharge electrodes 451 and ground electrodes 452 provided at the same height.
Further, a hole having a space in the outer diameter of the second cylinder 412 having a cylindrical shape with both end surfaces of the hollow structure is bored in the center of the upper surface of the body cylinder 401, the bearing 413 is installed so as to match the diameter of the hole, the lower part of the second barrel 412 of the turbulence generator 410 is inserted into the installed bearing hole, and the bearing falls down to the upper part of the inside of the body 401 by a predetermined distance, on the upper side, a second spur gear 413b is provided on the circumferential surface of the main body cylinder 401 at a distance from the upper surface, a first spur gear 413a provided at the shaft end of the first motor 413 is engaged with the teeth of the second spur gear 413b, and is spaced from the first spur gear 413a in the upper direction, a plurality of connecting rods 413e having a ring shape and made of a copper material having a predetermined height and generating a high voltage by the high voltage generator 453 are provided on the circumferential surface of the one outer surface of the second cylindrical barrel 412 at intervals so as to be insulated from the ground electrode 452 or the discharge electrode 451 provided on the circumferential surface of the one outer surface.
The first barrel 411 has a cylindrical shape with two elliptic ends, is arranged at an interval in the body barrel 401, is perforated with a hole having a space in the outer diameter dimension of the second barrel 412 at the center of the upper surface, is provided with a flange 413d in conformity with the hole diameter, is firmly fixed to the first barrel 411 and the second barrel 412 by fastening with a screw or a nut after the second barrel 412 is inserted into the hollow portion of the flange 413d, is provided with a cross-shaped fixing rod 404 at one side of the inner lower portion of the first barrel 411 having a hollow structure, is provided with a shaft 411b having a predetermined size at the center of the fixing rod so as to protrude downward at the lower end, and is inserted into a bearing unit 404a provided at the center of the fixing rod 404 in the body barrel 401.
The cylindrical body barrel 401 and the first barrel 411 of the vortex generator 410 are maintained at a predetermined interval in the vertical direction, and form a passage 402 through which the fly ash passes.
A fourth spur gear 409 is provided on an inclined lower side surface of the main body drum 401, and is constituted by a third spur gear 408 which is engaged with teeth of the fourth spur gear 409 and is provided at an axial end of the second motor 407, and the rotational force is transmitted to the third spur gear 408 by driving of the second motor 407, the rotational force is transmitted to the fourth spur gear 409 which is engaged with the third spur gear 408, and the main body drum 401 rotates in the same direction or in the opposite direction to the first drum 411.
The main body is made of one material selected from carbon steel (SS400), stainless steel (STS304), Hastelloy, copper, and the like.
A plurality of holes of a predetermined diameter are formed in the circumferential surface of the side surface of the first barrel 411 at a predetermined height along the lower side at predetermined intervals, and the discharge electrode 451 or the ground electrode 452 of the high-voltage discharge unit 450 of a predetermined diameter is provided in the plurality of holes (not shown) formed by the insulation treatment from the holes formed.
Further, after a hole having a space larger than the outer diameter of the second barrel 412 is bored in the center portion of the upper surface of the first barrel 411, a flange 413d having the same diameter as the pierced hole is provided, and the second barrel 412 is inserted and provided in the inner diameter of the flange hole.
In the second barrel 412, a bearing 413c having the same inner diameter is provided in a hole formed in the center of the upper surface of the body 401 so as to leave a space in comparison with the outer diameter of the second barrel 412, and a flange 413d provided on the upper surface of the first barrel 411 is screwed into the center of the bearing by inserting one end of the second barrel 412, and the other end penetrates the body 401 to protrude to the upper portion of the body 401.
In the second barrel 412 protruding upward, a second spur gear 413b is inserted into the upper surface of the body 401 at a distance, and a central portion having a size that allows the outer diameter of the second barrel 412 to be spaced apart from each other is perforated in the circumferential surface of the second barrel 412.
Also, the first motor 413 and the second spur gear 413b are engaged with each other, in which the first spur gear 413a having a diameter 1 to 5 times larger than that of the second spur gear 413b is provided at the end of the rotation shaft of the motor 413.
A plurality of ring-shaped copper connectors 413e are provided on the outer peripheral surface of the outer surface of the second barrel 412 at predetermined heights so as to be insulated from the second barrel 412 at intervals in the upper direction from the second spur gear 413 b.
Also, the first motor 413 having the first spur gear 413a installed at the end of the rotation shaft of the first motor 413, which is in the range of 1 to 5 times larger than the diameter of the second spur gear 413b, meshes the second spur gear 413b with the first spur gear 413 a.
When the control panel 600 supplies power to the first motor 413, the first motor 413 is driven, the first spur gear 413a connected to the shaft rotates the rated revolution number (RPM) of the motor 413, and the revolution number (RPM) of the second spur gear 413b engaged with the shaft increases by the diameter difference between the second spur gear 413b and the first spur gear 413a, so that the second drum 412 and the first drum 411 fixed to the second spur gear 413b rotate at a high speed.
When the first drum 411 rotates, the fluid (a mixture of fly ash, air, a fluorine compound, and water vapor) located on the first drum 411 side has a direction of moving toward the main body drum 401 by centrifugal force in the passage 402 formed between the main body drum 401 and the first drum 411, and the fluid becomes unstable, and a vortex flow in which a pair of rings rotating regularly and in opposite directions are arranged is formed along the first drum 411 (a rotation axis). This is called taylor or couette flow.
The vertical cross section of the first barrel 411 is elliptical, the vertical cross section of the body barrel 401 is circular, and the center axes (longitudinal axes) of the barrel-shaped body 401 and the first barrel 411 of the elliptical barrel shape are arranged in concentric circles, so that the interval D between the body barrel 401 and the first barrel 411, that is, the interval between the long-side end of the first barrel 411 and the inner face of the body barrel 401 and the interval between the short-side end of the first barrel 411 and the inner face of the body barrel 401 do not change with time but are constant during the rotation of the first barrel 411. Since the number of rotations of the first drum 411 is the same as the number of rotations of the first spur gear 413a that meshes with the second spur gear 413b fixed to one side surface of the second drum 412 by being connected to the second drum 412 via the flange 413d, the linear velocity V of the long side end and the short side end of the first drum 411 is constant. Thus, over time, the conditions in the passageway 402 do not change the linear velocity V, but are constant, except that the first barrel 411 is merely swirling by relative rotation with respect to the body barrel 401, and therefore the fluidity of the swirl is limited. In order to solve the above problem, the hollow structure is formed by the body drum 401 and the first drum 411 sharing the longitudinal axes 411 and 412 together, and the fluid passage is formed between the body drum 401 and the first drum 411, in the body drum 401, the cross section perpendicular to the longitudinal axes of the first drum 411 and the second drum 412 is circular, in the first drum 411, the cross section perpendicular to the longitudinal axes is elliptical, in order to reinforce the relative rotational motion of the body drum 401 and the first drum 411 with the longitudinal axes 411 and 412 as the rotation axes, in order to increase the Revolutions Per Minute (RPM) of the first drum 411, the Revolution (RPM) of the motor 4413 is adjusted to an appropriate revolution selected by a field test, the Revolution (RPM) of the second drive motor 407 is driven and the Revolution (RPM) is adjusted to adjust the revolution of the body drum 401 to an appropriate Revolution (RPM) selected by the field test, or, the rotation directions of the body drum 401 and the first drum 411 are rotated in opposite directions, the rotation number (RPM) of the second driving motor 407 is adjusted to an appropriate rotation number (RPM) selected by a test to increase the rotation number (RPM) of the body drum and the first drum 411, and the rotation number (RPM) of the motor 4413 is adjusted to an appropriate rotation number (RPM) selected by a field test to adjust the rotation number of the first drum 411, thereby solving the problem of the restriction of the fluidity of the vortex in the passage 402, the fly ash supply part 420 for supplying the fly ash is formed on an upper part of one side surface of the body drum 401, and the discharge port 403 for removing the fly ash of the glass film interlocked with the passage 402 is formed at the rear end part of the body drum 401.
Further, in order to maintain the flow of the vortex in the passage continuously and actively, a frequency converter control circuit is attached to the first motor 413 so that the number of Revolutions (RPM) of the second drum 412 connected to the first drum 411 through the flange reaches an appropriate number of revolutions in a range of 1RPM to 500RPM, the number of Revolutions (RPM) of the second drum 412 is adjusted, and a frequency converter control circuit is attached to the second drive motor 407 so that the number of Revolutions (RPM) of the body drum 401 reaches an appropriate number of revolutions in a range of 1RPM to 5000RPM, thereby adjusting the number of Revolutions (RPM) of the body drum 401.
Further, when the main body drum 401 is stopped, if the first drum 411 is rotated at a rotation speed selected from a range of 1RPM to 5000RPM (for example, 500RPM or more) by the driving of the first motor 413, centrifugal force acts in the direction of the main body drum 401 in the passage 402 formed between the main body drum 401 and the first drum 411 to generate turbulent flow, and if the first drum 411 is stopped, the rotation speed selected from a range of 1RPM to 5000RPM (for example, 500RPM or more) by the driving of the second drive motor 407, centrifugal force acts in the direction of the first drum 411 to generate turbulent flow in the passage 402 formed between the main body drum 401 and the first drum 411, and such turbulent flow is couette flow, and if the main body drum 401 is stopped and the first motor 413 is driven, the first drum 411 has a cylindrical shape with an elliptical distal end surface, that is, when the diameter difference between the long side and the short side of the ellipse is such that the rotation speed of the first motor 413 is 500RPM or less, the rotation speed of the first barrel 411 receiving the rotation force of the first motor 413 is also 500RPM or less, and the flow of the fly ash in the passage 402 does not form an irregular turbulent flow and does not generate a sufficient centrifugal force, thereby intermittently forming the couette flow, and therefore the fly ash having a specific gravity of 2.15 or more cannot be sufficiently scattered (floated) in the passage 402, and therefore, the rotation speed is adjusted by the frequency converters of the rotation speed control device for the first motor 413 and the second drive motor 407 provided at 500RPM or more, respectively, so that the fly ash particles are sufficiently scattered at the rotation speeds of the first motor 413 and the second drive motor 407.
At the same time, the first drive motor 413 and the second drive motor 407 are driven, and the centrifugal force acting in the opposite direction of the first barrel 411 receiving the rotational force of the first drive motor 413 and the main body barrel 401 receiving the rotational force of the second drive motor 407 collides with each other in the passage 402 formed between the main body barrel 401 and the first barrel 411 to form a vortex or spiral turbulent flow, thereby forming a further improved couette state.
(provenance: irregular reconciliation of changes made, Press: scientific book, author: Phillips pall)
Fig. 7a is a cross-sectional view showing the fly ash supply of fig. 6.
As shown in fig. 7, the fly ash supply part 420 is composed of an air pressurizer 421, an injection nozzle 422, an ionizer 423, and a fly ash supply pipe 424, and is provided eccentrically to the upper part of one side surface of the main body drum 401.
When the control panel 600 supplies power to the air pressurizer 421, the air pressurizer 421 is activated to suck external air from the suction port and pressurize the air to supply and discharge the air to the injection nozzle 422, the fly ash from which unburned carbon components are removed is supplied to the unburned carbon component removing unit 300, the high-speed air flow discharged from the injection nozzle 422 contacts and mixes with the fly ash to form voids between fly ash particles, the fluorine compound stored in the storage tank 431 of the fluorine compound supplying unit 430 is pressurized by the pump 433 or the compressor 433a in order to be injected to the fly ash transferred by the injection nozzle 435, and in the water separator 443, the water vapor generated in the steam generator 441 of the steam supplying unit 440 is separated from the moisture, and only the dry steam is injected to the transferred fly ash through the injection port 444.
The air pressurizer 421 is selected from a ring type or turbine type BLOWER (BLOWER) or a piston type or bolt type air compressor in consideration of an operation state.
The pressurizing pressure of the air pressurizer 421 selects a specific pressure in a range of a water head pressure of 200mmaq to 5000mmaq to apply a pressure to the sucked air.
Fig. 7b is a sectional view showing the fluorine compound supply part of fig. 6.
As shown in fig. 7b, the fluorine compound supply unit 430 includes a liquid-phase fluorine compound supply unit including a fluorine compound inflow pipe 431, a storage tank 432, a pressure pump 433, a supply pipe 434, and an injection nozzle 435, and a gaseous fluorine compound supply unit including a storage tank 432a, a compressor 433a, a supply pipe 434, and an injection nozzle 435.
Among the fluorine compounds stored in the storage tank 432, the fluorine compound stored in the storage tank 432 is hydrofluoric acid (HF) in a liquid phase, and the fluorine compound stored in the storage container 432a is fluorine (F) selected from a gas state2) Nitrogen trifluoride (NF)3) Carbon tetrafluoride (CF)4) Hexafluoroethane (C)2F6) Perfluoropropane (C)3F8) Carbon tetrachloride (CCl)4) Pentafluoroethane (C)2ClF6) Chlorine trifluoride (ClF)3) Chlorotrifluoromethane (CClF)3) Sulfur hexafluoride (SF)6) At pump 433 orThe fluorine compound stored in the compressor 433a is pressurized to supply and spray the fluorine compound to and mix with the injection nozzle 435 provided at a distance from the compressed air injection nozzle 422 inside the supply pipe of the fly ash supply part 420.
The fluorine compound inflow pipe 431, the storage tank 432, the pressure pump 433, the supply pipe 434, and the spray nozzle 435 are made of nickel (Ni), monellin, carbon, or PE having corrosion resistance to the fluorine compound described above, or a material equivalent thereto.
Spraying fluorine (F) to the fly ash2) Nitrogen trifluoride (NF)3) Carbon tetrafluoride (CF)4) Hexafluoroethane (C)2F6) Perfluoropropane (C)3F8) Carbon tetrachloride (CCl)4) Pentafluoroethane (C)2ClF6) Chlorine trifluoride (ClF)3) Chlorotrifluoromethane (CClF)3) Sulfur hexafluoride (SF)6) And the like. The fluorine compound is injected to the surface of the fly ash particles through the injection of Silica (SiO) which is a main component constituting a glass film coated on the surface of the fly ash particles2) Calcium oxide (CaO), sodium oxide (Na)2O), magnesium oxide (MgO), potassium oxide (K)2O), barium oxide (BaO) for the first time.
In the case of a liquid phase, the fluorine compound supply unit 430 is composed of an inflow pipe 431, a storage tank 432, a pressure pump 433, a supply pipe 434, and an injection nozzle 435, and in the case of a gas phase, it is composed of a storage tank 432a, a compressor 433a, a supply pipe 434, and an injection nozzle 435, the fluorine compound stored in the storage tank 432 is hydrofluoric acid (HF), and the fluorine compound stored in the storage tank 432a is selected from fluorine (F) in a gas phase2) Nitrogen trifluoride (NF)3) Carbon tetrafluoride (CF)4) Hexafluoroethane (C)2F6) Perfluoropropane (C)3F8) Carbon tetrachloride (CCl)4) Pentafluoroethane (C)2ClF6) Chlorine trifluoride (ClF)3) Chlorotrifluoromethane (CClF)3) Sulfur hexafluoride (SF)6) In which the fluorine compound is stored in a storage tank 432 or a container 432a, in a pump 433 or compressedThe fluorine compound stored in the machine 433a is pressurized and sprayed to the fly ash through the spray nozzle 435 to pass through the fly ash as a main component substance of silicon dioxide (SiO) which constitutes a glass film coated on the surface of the fly ash2) Calcium oxide (CaO), sodium oxide (Na)2O), magnesium oxide (MgO), potassium oxide (K)2O) and barium oxide (BaO) to remove the glass film.
The high voltage generator 453 of the discharge unit 440 is 12V or more in the case of a direct current (d.c) power source, 110V or more in the case of an alternating current (a.c) power source, and the output voltage is selected to be output at the high voltage generator 453 in consideration of the removal performance of the glass film coated on the surface of the fly ash particles in the range of 1KV to 50KV in both the case of the direct current (d.c) power source and the case of the alternating current (a.c) power source.
The hydrolysis reaction of reaction formula 1, reaction formula 2, reaction formula 3, and reaction formula 4 is promoted, and the amount of Silica (SiO) as the main component substance of the glass film surrounding the fly ash particles is increased2) Calcium oxide (CaO), barium oxide (BaO), magnesium oxide (MgO), and aluminum oxide (Al)2O3) The removal efficiency of (1).
With silicon dioxide (SiO)2) Chemical reaction with hydrofluoric acid (HF) formula 1
Figure BDA0002396697200000241
With calcium oxide (CaO) and carbon tetrafluoride (CF)4) Chemical reaction formula 2
Figure BDA0002396697200000242
Chemical reaction with barium oxide (BaO) and hydrofluoric acid (HF) formula 3
Figure BDA0002396697200000243
With potassium oxide (K)2O) and hydrofluoric acid (HF) chemical reaction formula 4
Figure BDA0002396697200000251
Fig. 7c is a sectional view illustrating the water vapor supply part of fig. 6.
As shown in fig. 7c, the steam supply unit 440 includes a steam generator 441, a supply pipe 442, a steam separator 443, and an injection port 444, and supplies steam (steam) generated in the steam generator 441 to the steam separator 443 through the supply pipe 442, separates the steam and moisture in the steam separator 443, and then injects the steam into the fly ash mixed with air through the injection port 444 to primarily remove Silica (SiO) (which is a main component substance of a glass film coated on the surfaces of the fly ash particles) through a hydrolysis reaction2) Calcium oxide (CaO), barium oxide (BaO), magnesium oxide (MgO), and aluminum oxide (Al)2O3) The hydrolysis reaction formulae for the respective substances are represented by formula 1, formula 2, formula 3, formula 4, and formula 5.
Hydrolysis reaction of silica formula 1
Figure BDA0002396697200000252
Hydrolysis reaction of calcium oxide formula 2
Figure BDA0002396697200000253
Hydrolysis reaction of barium oxide formula 3
Figure BDA0002396697200000254
Hydrolysis reaction of magnesium oxide formula 4
Figure BDA0002396697200000255
Hydrolysis reaction of alumina formula 5
Figure BDA0002396697200000256
The amount of the fluorine compound to be sprayed is determined by observing the surface of the fly ash particles to be treated by an electron microscope to determine the appropriate amount to be sprayed.
Fig. 7d is a sectional view illustrating the high-voltage discharge portion of fig. 6.
As shown in fig. 7d, the high voltage discharge unit 450 includes a discharge electrode 451, a ground electrode 452, a high voltage generator 453, a lead 454, and a connector 454 a.
The discharge electrode 451 and the ground electrode 452 have a circumferential surface shape having a predetermined radius of curvature with a predetermined height, the discharge electrode 451 or the ground electrode 452 provided in the main body cylinder 401 protrudes in a triangular or hemispherical shape on the inner circumferential surface, the discharge electrode 451 or the ground electrode 452 provided in the first cylinder 411 protrudes in a triangular or hemispherical shape on the circumferential surface, and the discharge electrode 451 or the ground electrode 452 is inserted into a hole perforated in a predetermined diameter on the circumferential surface by insulation treatment with a gap between the cylinder 401 and the first cylinder 411. The passages formed between the barrel 401 and the first barrel 411 are provided to face each other.
The lead wire 545 connected to the discharge electrode 451 or the ground electrode 452 provided in the first barrel 411 is connected to the voltage application ring 454a provided in the second barrel 412 through the inside of the first barrel 411, and the external lead wire 545 connected to the voltage application ring 454a is connected to the high voltage generator 453. The lead wire 454 connected to the discharge electrode 451 or the ground electrode 452 provided on the main body cylinder 401 is exposed and fixed to the circumferential surface, and then connected to the high voltage generator 453.
The discharge electrode 451 or the ground electrode 452 is made of one or more materials selected from tungsten (W), titanium (Ti), stainless steel (STS304), carbon (C), copper (Cu), and the like.
On the surfaces of the discharge electrode 451 and the ground electrode 452, one or more catalyst substances such as barium oxide (BaO), strontium oxide (SrO), and calcium oxide (CaO) that promote the release of thermal electrons are selected to remove Nitrogen Oxide (NOX), Sulfur Oxide (SOX), Volatile Organic Compounds (VOC), carbon monoxide (CO), and carbon dioxide (CO)2) Titanium dioxide (TiO) of matter2) Rhodium (Rh), platinum (Pt), palladium (Pd), ruthenium (Ru), zinc (Zn), zirconium (Z)r), Ha (Hf), vanadium (V)2O5) Niobium (Nb), tungsten (W), iron (Fe), ruthenium oxide (RuO)2) Rhodium oxide (Rh)2O3) Zinc oxide (Cu)2O), zinc oxide (ZnO), zirconium oxide (ZrO)2) Silicon dioxide (SiO)2) Titanium oxide (TiO)2) Ha (HfO)2) Alumina (Al)2O3) Vanadium Oxide (VO) and niobium oxide (Nb)2O5) One or more selected from among tungsten oxide (WO), manganese oxide (Mn), and iron oxide (FeO) is mixed with a catalyst selected from the thermal electron emission promoting catalysts and coated.
The high-voltage discharge may be arc discharge, corona discharge, glow discharge, or spatter discharge, and a preferred discharge method is arc discharge.
Arc discharge is one of discharges generated in the air by a potential difference between anodes when the anodes and cathodes are opposed to each other, and a voltage applied to a discharge electrode has a voltage of several volts or several tens of volts, and a discharge region in which a current of several amperes or more flows.
Unlike glow discharge and sputtering discharge, arc discharge has characteristics such that when discharge is started, voltage is reduced and current is increased, and in particular, thermal electrons are released on the surface of the electrode 451, 452 by the action of a cathode due to heating.
In the arc discharge region, electrons move at high speed and gain energy, and elastically collide with other particles to transfer energy. In this case, the temperature of the particles rises, and through the inelastic collision process, ionization and excitation (excitation) of the particles to a high energy level occur, and arc discharge continues to occur.
In addition, in the process of generating the arc discharge, electrons and thermal electrons move between the electrodes 451, 452 at a high speed, and energy is taken in the process of elastic collision of particles that acquire high energy per unit time, and in this case, high-temperature heat is generated. The temperature reaches 3000-6000 ℃. In the inelastic collision process occurring after the elastic collision, light (spark) is generated in the process of releasing ionization and excitation to the energy level of the particles.
Then, a high voltage generated by the high voltage generator 453 is applied to the discharge electrode 451 and the ground electrode 452 of the high voltage discharge unit 450 through the lead 454 and the connector 454a to start discharge between the discharge electrode 451 and the ground electrode 452, charged particles such as electrons and ions and thermoelectrons released from the electrodes 451 and 452 heated at a high temperature are released, and Silica (SiO) larger than a glass film is formed between the discharge electrode 451 and the ground electrode 4522) Work function value of 5.0eV, work function value of 1.6eV for calcium oxide (CaO), work function value of 4.7eV for magnesium oxide (MgO), work function value of 1.1eV for barium oxide (BaO), and work function value of aluminum oxide (Al)2O3) An electric field energy (IE, eV) of 5.0eV occurs in a range of 5eV to 5KeV, and during elastic collision of charged particles such as electrons or ions and thermoelectrons emitted from the high-temperature heated electrodes 451, 452 with the fly ash, it is possible to remove a glass film coated on the surface of the fly ash particles and promote unreacted Silica (SiO) in an electric field energy (IE, eV) region in a range of 5eV to 5KeV2) Calcium oxide (CaO), barium oxide (BaO), magnesium oxide (MgO), and aluminum oxide (Al 2O)3) The chemical reaction of the substance with the fluorine compound and the hydrolysis reaction of the substance with water vapor improve the removal efficiency of the glass film coated on the surface of the fly ash particles.
The high voltage generator 453 of the discharge unit 440 is 12V or more in the case of a direct current (d.c) power source, 110V or more in the case of an alternating current (a.c) power source, and the output voltage is in the range of 1KV to 50KV in both the case of the direct current power source and the alternating current power source, and the output voltage selected in consideration of the removal performance of the glass film surrounding the surface of the soot particles is selected and output in the high voltage generator 453.
Therefore, in the present invention, in the passage 402 formed between the main body cylinder 401 having the discharge electrode 451 or the ground electrode 452 on the inner surface thereof and the first cylinder 411 having the discharge electrode 451 or the ground electrode 452 on the outer surface thereof, the high voltage generated by the pressure generator 453 is applied to the high discharge electrode 451 and the ground electrode 452 through the lead wire, and thus, when the discharge starts between the two electrodes 451 and 452, since the first cylinder 411 has a cylindrical shape having a circular cross-sectional shape, when the distance separating the passage 402 and the main body cylinder 401 is the long side of the first cylinder 411, the distance separating the passage is small, and the high voltage discharge starts uniformly, but when the distance separating the short side is the long side, the distance separating the short side is longer than the long side, the irregular discharge is performed. Further, a uniform high field region cannot be maintained in the passage 402 due to the difference between the discharge electrode 451 and the ground electrode 452 provided on the outer surfaces of the main body cylinder 401 and the first cylinder. In order to solve the above problems, in order to make the flow of the fly ash such as air, fluorine compounds and water vapor in the mixing passage 402 in the couette flow state, the second driving motor 407 is driven to rotate the third spur gear 408 connected to the shaft, the rotational force is transmitted to the fourth spur gear 409 provided on the lower circumferential surface of the body drum 401 meshed with the third spur gear 408 to rotate the body drum in the clockwise direction or the counterclockwise direction at the rotational speed (RPM) selected from the range of 10RPM to 5000RPM, and at the same time, the first motor 413 is driven to rotate the first spur gear 413a connected to the shaft, the rotational force is transmitted to the second spur gear 413b provided on the outer circumferential surface of one side surface of the second drum 412 connected to the flange provided on the upper surface of the first drum 411 to rotate the first drum 411 connected to the lower portion of the second drum 412 in the same direction or in the opposite direction to the rotational direction of the body drum 401, thereby initiating a uniform discharge in the path 402.
Further, when the main body drum 401 is stopped and the first motor 413 is driven, since the first drum 411 has a cylindrical shape with an elliptical distal end surface, when the rotation speed of the first motor 413 is less than 500RPM in the diameter difference between the long side and the short side of the ellipse, the rotation speed of the first drum 411 receiving the rotation force of the first motor 413 is also less than 500RPM, so that the flow of the fly ash in the passage 402 does not form a turbulent flow and does not generate a sufficient centrifugal force, thereby intermittently forming the couette flow, and therefore the fly ash with a specific gravity of 2.15 or more cannot be sufficiently scattered (floated) in the passage 402, and therefore, the form of removing the glass film coated on the fly ash particles in the high field electron energy band formed by the high voltage discharge in the discharge electrode 451 and the ground electrode 452 is not good, and when the rotation speed of the first motor 413 is 500RPM or more, the flow of the fly ash in the passage 402 forms a good turbulent flow and generates a sufficient centrifugal force, and thus a good couette flow is formed, the fly ash having a specific gravity of 2.15 or more is favorably scattered (floated) in the passage 402, a form of removing a glass film coated on the fly ash particles in a high-field electron energy band formed by high-voltage discharge in the discharge electrode 451 and the ground electrode 452 is favorable, the second drive motor 407 is driven to rotate the third spur gear 408 connected to the shaft, a rotational force is transmitted to the fourth spur gear 409 provided on the lower circumferential surface of the main body drum 401 meshing with the third spur gear 408 to rotate the main body drum 401 at 500RPM or more in the clockwise direction or the counterclockwise direction, the rotational force of the first motor 413 is 500RPM or more, and the rotational force is transmitted from the first spur gear 413a connected to the shaft to the second spur gear 413b to rotate the main body drum 401 in the counterclockwise direction or the clockwise direction opposite to the rotational direction of the main body drum 401 The flow of the fly ash particles in the passage 402 is changed to a swirl, spiral turbulence, or vortex flow such as a wave, and an irregular and strong centrifugal force acts to maintain a more improved couette flow, the flow of the fly ash particles in the passage 402 is extremely good, the removal form of the glass film coated on the fly ash particles in the high-field electron energy band formed by the high-voltage discharge in the discharge electrode 451 and the ground electrode 452 is extremely good, and the removal time is reduced to increase the throughput per unit time. By rotating the main body drum 401 and the first drum 411 in opposite directions, even if the rotational speed of the first drum 411 is lower than the speed of the main body drum 401, the flow of the fly ash in the passage 402 is subjected to a considerable centrifugal force, and a good couette flow can be maintained.
In order to effectively remove the glass film coated on the surface of the fly ash particles by forming the couette flow of various patterns in the passage 402 formed between the body drum 401 and the first drum 411, the first motor 413 and the second drive motor 407 need to be three-phase motors capable of rotating in the forward and reverse directions, and a control circuit such as a frequency converter capable of adjusting the number of Revolutions (RPM) needs to be programmed and input to the control circuit of the control panel 600.
(provenance: irregular reconciliation of changes made, Press: scientific book, author: Phillips pall)
The composition of anthracite coal used as a boiler fuel for coal-powered power plants is largely divided into fixed carbon as a combustion substance, volatile powder, and ash and moisture as non-combustion substances.
Ash (ash) is a residue obtained by heating a humidity sample (1 g) from room temperature to 500 ℃ for 60 minutes, heating the humidity sample at 500 ℃ to 15 ℃ for 30 minutes to 60 minutes, and heating the humidity sample at 815 ℃ ± 10 ℃ until the change is completed, i.e., a non-combustible residue remaining after complete combustion of coal, in industrial chemical analysis. In a boiler of a coal-powered power plant, ash trapped after smokeless carbon combustion comprises Silica (SiO)2) Alumina (Al)2O3) Iron oxide (Fe)2O3) Calcium oxide (CaO), potassium oxide (K)2O), sulfur trioxide (SO)3) Magnesium oxide (MgO), phosphorus pentoxide (P)2O5) Titanium dioxide (TiO)2) And an unburned carbon component (C), the main component of the glass film surrounding the fly ash particles being silicon dioxide (SiO)2). Glass films, that is, glass, are highly brittle (i.e., break-down upon impact), and when heated, do not exhibit a predetermined melting point, but rather gradually decrease in viscosity and change to a liquid state. The glass film has a small tensile strength and a large compressive strength, but has a smaller mechanical strength than a theoretically measured value because it is discharged after being melted at a high temperature in a boiler and undergoes surface defects (flaw) or rapid freezing in a post-treatment (dust removal) process, and thus deformation (strain) is inevitably generated in the glass. Conductivity is dependent on soft glass (Na)2O) component increases or temperature increases, the impedance will decrease. The erosion of chemical substances is carried out in hydrochloric acid (HCl) or sulfuric acid (H)2SO4) Is extremely slow, will react in large amounts in alkalis such as sodium hydroxide (NaOH) and in larger amounts in fluorides such as Hydrogen Fluoride (HF).
In view of the mechanical, chemical and electrical properties of the glass described above, in order to effectively remove the glass film surrounding the surface of the fly ash particles, it is necessary to form a higher energy band between the electrodes 451 and 452, to further increase the elastic collision strength with the fly ash particles due to acceleration of electrons and thermoelectrons, to maintain the temperature of the passage space formed between the main barrel 401 and the first barrel 411 at a high temperature to improve the electrical conductivity of the glass, and to spray fluorine compounds and water vapor to the flowing fly ash to remove the glass film by chemical reaction and hydrolysis reaction with the main component substances of the glass film surrounding the surface of the fly ash particles, if necessary. When fly ash treated in such a manner as to sufficiently remove a glass film on the surface of the fly ash is used as a product instead of cement, can solve the potential problem of water hydraulicity which can not react with water, can increase the compressive strength when pouring concrete, therefore, in order to further improve the efficiency of removing the glass film coated on the surface of the fly ash particles, in order to form a higher high energy band between the electrodes 451, 452, in the case of an alternating voltage (A.C), the input and output voltages of the power supply 453 for applying a high voltage to the discharge electrode 451 and the ground electrode 452 are 110V and 60Hz or higher, in the case of a direct current voltage (D.C) of 12V or more, and in the case of an alternating current voltage and a direct current voltage, the voltage value of the output side is selected to meet the field condition and the handling capacity in the range of 1KV to 500KV, in the case of frequency, the alternating voltage is selected in the range of 60Hz to 50KHz at a frequency that meets the field conditions and throughput.
Fig. 7e is a sectional view illustrating the heating unit of fig. 6.
As shown in fig. 7e, the heating unit 400 includes an ac power supply 461, a frequency oscillator 462, a lead 463, a connector 463a, and a high-frequency induction heating coil 464.
The high frequency induction heating coil 464 is wound around the outer surface of the body drum 401 at a predetermined number of windings, and when a single-phase or three-phase 220V, 60Hz ac power is supplied to the frequency oscillator 452 from the ac power supply 461, the frequency of 60Hz is increased to an appropriate value selected from 20KHz to 500KHz in a frequency oscillation circuit of the frequency oscillator (not shown), and the frequency is applied to the induction heating coil 464 having a winding number designed by a predetermined amount through the lead 463 and the connecting piece 463a, the output high frequency current flows through the induction heating coil 464, and a magnetic field is generated by the induction heating coil 646, the generated magnetic field penetrates the body drum 401, an induction current (induction current) flows through the body drum 401 at the skin depth (skin depth) where the magnetic field penetrates, and accordingly joule heating (joule heating) is generated, and heat is supplied to the inside of the body drum 401 in a heat conduction manner, the fly ash particles passing through the passage 402 formed between the body drum 401 and the first drum 411 and the electrodes 451 and 452 provided to the body drum 401 and the first drum 411 are heated to improve the discharge efficiency, the charged particles of electrons or ions and thermal electrons generated during the discharge of the electrodes 451 and 452 are activated to enhance the elastic collision strength of the fly ash particles with the charges and the thermal electrons, and the magnetic field generated at the induction heating coil 464 prolongs the residence time of the charges and the thermal electrons to increase the elastic collision frequency of the fly ash particles with the charges and the thermal electrons, thereby further improving the glass film removal efficiency.
In the passage 402 formed between the main body drum 401 and the first drum 411 of the glass film removing part 400, floating fly ash particles scattered in the process of removing the glass film coated on the surface of the fly ash particles are sucked into the hollow of the first drum 411 of a hollow structure by the suction force of a fan (not shown) of the dust collector during the high-pressure discharge, flow into the dust collector via a second drum connected to the first drum 411 through a flange 413d, are dedusted, are discharged to the atmosphere, unburned carbon C contained in the fly ash is removed, the glass film coated on the surface of the particles is removed, and finally treated fly ash is supplied to the second storage tank 500 through the discharge pipe 403 due to the difference in gravity caused by the opening of the electrically operated valve 403a provided in the discharge pipe 403.
Fig. 8 is a sectional view illustrating the second storage tank of fig. 1.
Referring to fig. 8, the second storage tank 500 is composed of a hopper 501, an electric valve 502, a blower 503, a discharge pipe 504, a bolt 505, a motor 506, a storage tank 507, a filter type dust collector 508, and a discharge electronic valve 509.
The fly ash finally treated and discharged in the glass film removing part 400 is temporarily stored in the hopper 501, when the air compressed by the blower 503 is supplied to the discharge pipe 504 and the motor 506 is started, in a state where the bolt 505 in the discharge pipe 504 connected to the motor 506 shaft is started, the motor valve 502 provided in the lower part of the hopper 501 is opened, the fly ash supplied to the hopper 501 is supplied to the discharge pipe 504, when the compressed air supplied to the blower 503 is supplied to the storage tank 506 and the fly ash flowing into the discharge pipe 504 while the bolt 505 connected to the motor shaft is rotated is started, the fly ash floating in the tank 507 is collected in the remaining space of the filter type dust collector provided in the upper part by the pressurized air pressure flowing into the blower 503 and is discharged to the atmosphere.
Fig. 9 is a view showing a control panel of the fly ash recycling device with a built-in glass film removal function according to the present invention.
Referring to fig. 9, the control panel 600 performs control activities of supplying and cutting off power supply by using data measured by sensors such as the first storage tank 100, the supplying unit 200, the unburned carbon removing unit 300, the glass film removing unit 400, a level (not shown) attached to the second storage tank 500, and fluid flow detection (not shown) and transmitted to the control panel 600 in real time.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the specific preferred embodiments described above, and various modifications can be made by those skilled in the art without departing from the spirit of the present invention claimed below.

Claims (15)

1. A fly ash recycling device with a built-in glass film removing function is characterized by comprising:
a first storage tank (100) for transporting fly ash discharged from an electrostatic precipitator installed at the rear end of a boiler of a thermal power plant by means of a tanker (101), for feeding the fly ash by means of a blower (102) attached to a vehicle body, and for supplying and storing the fly ash into a first storage tank (104) through a supply pipe (103);
a feeder (200) connected to the first storage tank (104), supplying high-pressure air generated by a blower (201) arranged on one side of the bolt feeder to the discharge pipe (202), opening a rotary valve (105) arranged at the lower part of the first storage tank (104) to supply fly ash stored in the first storage tank (100), and when supplying fly ash, driving a driving motor (204) to rotate a bolt (203) connected with the motor (204) through a shaft so as to discharge fly ash to a discharge port (205) connected with the unburned carbon component removing part (300);
an unburned carbon component removing part (300) provided at the upper part of a main body (301), wherein a fly ash supply pipe (312) supplied from a supply device (200) is provided at the upper center part of a chamber (311) having an inclined inner-lower part, an air supply pipe (323) connected to the air supply pipe (312) with a gap therebetween is provided at one side of the upper part of the chamber (311), a discharge electrode (313c) and a ground electrode (313d) which receive a high voltage generated by a high voltage generator (313a) via a lead wire (313b) are provided at the inclined inner-lower part of the chamber (311) to face each other, a discharge pipe (314) is provided at the lower part, a (+) pole (342) and a (-) pole (343) for applying a DC power supply to a DC power supply device (341) are provided at one side face of the inner part of the main body (301), a hollow shaft (334) having an injection port (335) at the lower end thereof penetrates the upper surface of the main body (301) to provide a second spur gear, a motor 331 having a first spur gear 332 connected to a shaft is provided, a jet port 335 is rotated by transmitting a rotational force of the motor 331 to a second spur gear 333 via the first spur gear 332, a high-field electron energy band in which a high voltage generated by a high-voltage generator is applied to a discharge electrode and a ground electrode provided in an interior of a chamber 311 of an ionizer 310 and inclined to face each other is generated by the high-voltage generator to start discharge between the two electrodes is injected into fly ash transferred from a feeder 200 to an ionizer 310 provided spaced above the rotating hollow shaft 334 to form gaps between particles by external air sucked and pressurized by a pressurizer 321 in an air feeder 320 in advance and pass the fly ash, and the fly ash is ionized by electrochemical reactions of dissociation, excitation, ionization, oxidation, and reduction, toward the upper part of the hollow shaft (334)Supplying the ionized fly ash to the injection port (335) arranged at the lower end through the hollow shaft (334), wherein in the process of injecting the fly ash from the injection port (335) to the inside of the body (301), the fly ash particles, the particles and the air are mixed, and the particles and the air are charged in the process of colliding the inner surface of the hollow shaft (334) and the inner surface of the injection port (335), thereby in the process of electron exchange with different particles, unburned carbon (C) and aluminum oxide (Al) with large work function value2O3) Silicon oxide (SiO)2) Particles of copper oxide (CuO) are charged with (-) charges during the exchange of electrons and collected at a (+) pole (342), particles of calcium oxide (CaO) having a small work function value are charged with (+) charges during the exchange of electrons and collected at the (-) pole (343), in a burner (362) provided at the center of the (-) pole (343) in an insulating manner, combustible gas received from a fuel supply pipe (361) or fuel in a liquid state is mixed with outside air introduced from an air introduction pipe (362), and thereafter, unburned carbon (C) components collected at the (+) pole (342) are burned and removed by a flame generated by a spark ignition generated by a spark plug (364), or power is supplied to a heating coil (352) provided in contact with the outer surface of a body (301) at a portion where the (+) pole (342) is attached, and the (+) pole (342) is locally heated as unburned carbon (C) by thermal conduction with thermal energy generated at the heating coil (352) The unburned carbon (C) component collected at the (+) pole (342) is burned and removed by a combustion reaction at an ignition temperature of 500 ℃ or more, and fly ash periodically removed from the (+) pole (342) and the (-) pole (343) and collected at the (+) pole (342) is discharged to a glass film removing part by on-off control of a power supply by a microcomputer for a selected time period in a range of 1 minute to 2 hours;
a glass film removing part (400) is composed of a turbulence generator (410) including a main body drum (401), a fly ash supply part (420), a fluorine compound supply part (430), a steam supply part (440), a high-voltage discharge unit (450), and a heating unit (460), wherein a plurality of discharge electrodes (451) or ground electrodes (452) are arranged at a predetermined interval along the circumferential surface on one side surface of the inner surface of the main body drum (401) having circular cylindrical ends, and a hole having a predetermined diameter is formed in the center of the upper surface to form a hole having a size corresponding to the size of the holeThe bearing unit (413c) of (1), wherein a prescribed interval is maintained inside a main body barrel (401), a ground electrode (452) or a discharge electrode (451) is provided on one side surface of the outer surface of a first barrel (411) having both ends in an elliptic cylindrical form so as to face the discharge electrode (451) or the ground electrode (452) provided on the inner surface of the main body barrel (401), a flange (413d) is provided on the upper surface of the first barrel (411), the lower end of a second barrel (412) having both ends in a circular cylindrical form is connected to the flange (413d), the upper end protrudes to the outside through the upper end of the main body barrel (401), a second spur gear (413b) is provided on one side surface of the upper end of the protruding second barrel (412), a motor (413) for connecting the first spur gear (413a) and a shaft is provided in the same manner as the second spur gear (413b), and the rotational force of the motor (413) is transmitted to the second spur gear (413b) through the first spur gear (413a), when a second barrel (412) provided with a second spur gear (413b) and a first barrel (411) are elliptic cylinders because the first barrel (411) is an elliptic cylinder, the first barrel (411) generates a swirling flow in a turbulent flow state by rotating through the difference between the diameter of the short side and the diameter of the long side of the ellipse by the airflow of a passage (402) formed between the two barrels (411, 412) at a predetermined interval, external air is applied to fly ash which is supplied by removing carbon components in an unburned carbon removing part (300), and the fly ash is injected to a fly ash supply part (420) which is provided at an interval from the upper end of the second barrel (412) protruding to the outside, and after a fluorine compound stored in a storage tank (432) or a container (432a) by a pump is pressurized by a (433) or a compressor (433a), if the fly ash transferred to the high-pressure air is injected by an injection nozzle (434), the main component substance of a glass film coated on the surface of the fly ash particles in contact with the fluorine compound passes through fluorine compound and then the fluorine compound is injected into the fly ash transferred to the fly Chemical reaction of the compound is removed, or after the water vapor generated by the water vapor generator (441) is moved to the steam-water separator (443) through the pipe (442) and separated into condensed water and dry steam, the separated dry steam is moved to the injection pipe (444), and the water vapor and Silica (SiO) which is a main component substance of the glass film coated on the surfaces of the fly ash particles are removed2) Calcium oxide (CaO), barium oxide (BaO), magnesium oxide (MgO), and aluminum oxide (Al)2O3) Contact and mix and are removed by hydrolysis reaction with water vapor,the fly ash particles flowing into a passage (402) formed between a main barrel (401) and a first barrel (411) are dispersed to a swirling flow in a turbulent state, and contact with an etching solution several times at various angles in the process of repeating stirring, collision with the particles, and rotational motion of an irregular track, so that a glass film on the particle surface is eroded, a high voltage generated by a high voltage generator (451) is applied to a discharge electrode (451) and a ground electrode (452) which are oppositely arranged on the inner surface of the main barrel (401) and the outer surface of the first barrel (411) through a lead (454) and discharge is started between the two electrodes (451, 452), charged particles of electrons or ions and thermal electrons generated in the discharge process are heated and released from the discharge electrode, and high voltage generated by a high voltage generator (451) is applied to the discharge electrode (451) and the ground electrode (452) and is effectively used in the continuous elastic collision process of the charges generated in a high electric field state and the fly ash particles When power is applied to a high-frequency induction heating coil (464) wound in a predetermined number of windings in the circumferential direction of the outer side surface of a body drum (401) by an AC power supply (461), the high-frequency induction heating coil (464) is heated and conducted into the body drum (401) by a heat conduction method so that a discharge electrode (451) is heated to improve discharge efficiency, receives the heating energy of charged particles of electrons or ions and thermal electrons to activate the same, increases the internal temperature to change the viscosity of the glass film coated on the surface of the fine coal ash particles, thereby improving conductivity to effectively remove the glass film, and floating fine coal ash particles scattered during the removal of the glass film are sucked into the hollow of a first drum (411) having a hollow structure by the suction force of a fan (not shown) of a dust collector, flow into the dust collector via a second drum connected to a flange (413d) of the first drum (411), are removed therefrom, and then flow into the dust collector Discharging the air, removing unburned carbon (C) contained in the fly ash, removing a glass film coated on the particle surface, and supplying the finally treated fly ash to the second storage tank (500) through a discharge pipe (403) due to a gravity difference caused by opening of an electric valve (403a) arranged on the discharge pipe (403);
a second storage tank (500) which has a hopper (501) for simply storing the fly ash finally treated in the glass film removing part (400), and supplies the treated fly ash to the storage tank by supplying high-pressure air generated by a blower (503) arranged on one side surface of the bolt feeder (505) to the discharge pipe (502) and driving a driving motor (506) to rotate a shaft (503) with a rotary blade (504) attached to the outer surface; and
and a control panel (600) for supplying and cutting off power to the first storage tank (100), the supply unit (200), the unburned carbon component removal unit (300), the glass film removal unit (400), and the second storage tank (500) by measuring data transmitted to the control unit in real time by sensors (not shown) provided in the first storage tank (100), the supply unit (200), the unburned carbon component removal unit (300), the glass film removal unit (400), and the second storage tank (500).
2. The apparatus for recycling fly ash with built-in glass film removal function as claimed in claim 1, wherein said unburned carbon component removal part (300) is composed of a main body (301), an ionizer (310), a fly ash supply part (320), a swirl generator (330), an electrostatic dust collection part (340), a heating part (350), and a combustion part (360).
3. The fly ash recycling device with built-in glass film removal function according to claim 2, characterized in that the ionizer (310) comprises a chamber (311) having an inclined inner lower portion, a fly ash supply pipe (312), a high-voltage discharge unit (313), and a discharge port (313), in the lower inclined part inside the chamber (311), a discharge electrode (313b) and a grounding electrode (313c) of a high-voltage discharger (313a) are oppositely arranged, a high voltage generated by a high voltage generator (313a) is applied to a discharge electrode (313b) and a ground electrode (313c) through a lead to start discharge between the two electrodes (313b, 313c), so that the fly ash is ionized by electrochemical reactions of dissociation, excitation, ionization, oxidation, and reduction by high-field electron energy generated in the process of releasing charged particles of electrons or ions.
4. The apparatus as claimed in claim 2, wherein the swirl generator (330) comprises a motor (331), a first spur gear (332), a second spur gear (333), a hollow shaft (334), and an injection port (335), the second spur gear (333) is provided on one side of the upper portion of the hollow shaft (334), the injection port (335) is provided on the end surface of the hollow shaft (334), the pulverized fuel ash particles ionized by electrochemical reaction of dissociation, ionization, excitation, oxidation, and reduction are supplied to the upper portion of the hollow shaft (334) in the high-pressure discharger (313) of the ionizer (310) during the high-pressure discharge, and the pulverized fuel ash particles are driven to be geared with the first spur gear (332) via the hollow shaft (334) by the motor (331) provided at the lower end and connected to the first spur gear (332) via a shaft, and are rotated at a high speed by the second spur gear (333) provided on one side of the hollow shaft (334), a swirling flow is generated by a centrifugal force generated in a process of rotating an injection port (335) provided at a lower end portion of a hollow shaft (334) at a high speed, and by the swirling flow, mixing of ash particles and air among the pulverized fuel ash particles ionized in a high-pressure discharge process of the ionizer (310) is promoted, and the pulverized fuel ash particles are charged in a collision and friction process between an inner surface of the hollow shaft (334) and an inner surface of the injection port (335).
5. The apparatus for recycling fly ash with built-in glass film removal function as claimed in claim 2, wherein said electrostatic dust collection part (340) is composed of a high voltage generator (341), (+) electrode (342), and ground electrode (343), so that a swirling flow is formed by high voltage discharge ionization in the ionizer (310) in the process of injecting fly ash into the main body (301) from the injection port (335), and the particles are mixed with each other among fly ash particles, and the particles and air are charged in the process of colliding with the inner surface of the hollow shaft (334) and the inner surface of the injection port (335), and unburned carbon (C) and alumina (Al) having large work function values are charged in the process of electron exchange with different particles2O3) Silicon oxide (SiO)2) Copper oxide (CuO) particles are charged with (-) charges during the exchange of electrons and collected at a (+) pole (342), calcium oxide (CaO) particles having a small work function value are charged with (+) charges during the exchange of electrons and collected at the (-) pole (343), and are controlled by the on/off of a microcomputer to perform a cycle of every selected time within a range of 1 minute to 2 hoursFly ash collected on a (+) pole (342) and a (-) pole (343) is periodically dedusted.
6. The apparatus for recycling fly ash with built-in glass film removal function as claimed in claim 2, wherein said heating part (350) is composed of a power supply unit (351), a heating coil (352), and a lead wire (353), and wherein a direct current or alternating current power is supplied to the heating coil (352) provided in contact with the (+) electrode (342) through the lead wire (353) from the power supply unit (351), and heat energy generated in the heating coil (352) is transferred to the (+) electrode (342) by heat conduction, and the (+) electrode (342) is heated to 500 ℃ or higher which is the ignition temperature of the unburned carbon (C) component, whereby the unburned carbon component trapped in the (+) electrode (342) is naturally ignited to discharge carbon monoxide (CO) or carbon dioxide (CO) of the combustion reaction2) And removed.
7. The apparatus for recycling fly ash with built-in glass film removal function as set forth in claim 2 or 4, wherein said combustion part (360) is composed of a fuel supply pipe (361), a burner (362), a spark plug (363), and an air supply port (364), and is installed through said body (301) so as to face the (+) pole (342) after insulating and adiabatic treatment of the outside of the center part of the (-) cathode (343) of the electrostatic dust collecting part (340) installed on one side of said body (301), and the burner (362) installed at the center part of the ground electrode (343) is mixed with the outside air by receiving the fuel of the unburned carbon (C) collected at the (+) pole (342) of the electrostatic dust collecting part (340) through the supply pipe (361), and the unburned carbon (C) collected at the (+) pole (342) is directly burned by the combustion flame generated by the spark (ignition source) generated at the spark plug (363), whereby carbon monoxide (CO) or carbon dioxide (CO) is discharged by a combustion reaction2) And removed.
8. The fly ash recycling device with built-in glass film removal function according to claim 1, wherein the glass film removal unit (400) is composed of a body drum (401), a turbulence generator (410), a fly ash supply unit (420), a fluorine compound supply unit (430), a water vapor supply unit (440), a high-voltage discharge unit (450), and a high-frequency heating unit (460).
9. The fly ash recycling device with built-in glass film removal function as claimed in claim 7, wherein the turbulence generator (410) comprising the body barrel (401) comprises:
a body barrel (401);
a fourth spur gear (409) provided on the outer circumferential surface of the inclined surface on the lower side of the body drum (401);
a third spur gear (408) in mesh with a fourth spur gear (409);
a second drive motor (407) connected to the third spur gear (408) via a shaft;
a first barrel (411);
a second spur gear (413b) provided on one side surface of the second drum (412);
a first spur gear (413a) in mesh with a second spur gear (413 b); and
and a motor (413) connected to the first spur gear (413a) via a shaft.
10. The apparatus for recycling fly ash with built-in glass film removal function as set forth in claim 9, wherein the method for generating turbulence of the turbulence generator (410) including the body drum (401) comprises one or more methods or all methods of forming the passage (402) between the body drum (401) and the first drum (411), the body drum (401) is in a stationary state, the first drum (411) is rotated by the driving of the first motor (413) at a rotation number selected from a range of 1(RPM) to 500(RPM) to cause a centrifugal force to act in the direction of the body drum (401) to form the turbulence flow, and if the first drum (411) is in a stationary state, the body drum (401) is rotated by the driving of the second driving motor (407) at a rotation number selected from a range of 1(RPM) to 500(RPM), a method of generating turbulent flow by the centrifugal force acting in the direction of the first drum 411, and a method of generating vortex or spiral turbulent flow by driving the first drive motor 413 and the second drive motor 407 to rotate the first drum 411 receiving the rotational force of the first drive motor 413 and the main body drum 401 receiving the rotational force of the second drive motor 407 in opposite directions and colliding the centrifugal force acting in opposite directions with a passage 402 formed between the main body drum 401 and the first drum 411, wherein the generated turbulent flow is couette flow.
11. The apparatus as claimed in claim 8, wherein the fluorine compound supply unit (430) is divided into a liquid phase fluorine compound supply unit comprising an inflow pipe (431), a liquid phase storage tank (432), a pressure pump (433), a supply pipe (434), and a spray nozzle (435), and a gas phase fluorine compound supply unit comprising an inflow pipe (431), a gas phase storage tank (432a), a compressor (433a), and a supply pipe (434), and the fluorine compound stored in the liquid phase storage tank (432) is selected from the group consisting of hydrofluoric acid (HF), chlorine (Cl), and chlorine (Cl)2) Nitrogen trifluoride (NF)3) Carbon tetrafluoride (CF)4) Hexafluoroethane (C)2F6) Perfluoropropane (C)3F8) Carbon tetrachloride (CCl)4) Pentafluoroethane (C)2ClF6) Chlorine trifluoride (ClF)3) Chlorotrifluoromethane (CClF)3) Sulfur hexafluoride (SF)6) Thereby, after being stored in a gas phase storage tank (432a), the liquid is sucked and pressurized by a pressurizing pump (433) or a compressor (433a), supplied to an injection nozzle (435) through a supply pipe (434) and injected to be distributed, and passes through silicon dioxide (SiO) which is a main component substance of a glass film coated on the surface2) Calcium oxide (CaO), sodium oxide (Na)2O), magnesium oxide (MgO), potassium oxide (K)2O) and barium oxide (BaO) to remove the glass film.
12. The fly ash recycling apparatus with a built-in glass film removal function as claimed in claim 8, wherein the steam supply unit (440) is composed of a steam generator (441), a supply pipe (442), a steam separator (443), and an injection port (444), and the steam (steam) generated in the steam generator (441) is supplied to the steam separator (443) through the supply pipe (442), and the steam and water are separated in the steam separator (443)After that, water vapor is injected into the fly ash mixed with air through an injection port (444) to pass through the fly ash particles and Silica (SiO) which is a main component substance of a glass film coated on the surfaces of the fly ash particles2) Calcium oxide (CaO), barium oxide (BaO), magnesium oxide (MgO), and aluminum oxide (Al)2O3) The hydrolysis reaction of (3) removes the glass film.
13. The apparatus as claimed in claim 8, wherein the glass film is removed from the fly ash as a resource,
the high-voltage discharge unit (450) is composed of a discharge electrode (451), a grounding electrode (452), a high-voltage generator (453) and a lead (454), wherein a plurality of discharge electrodes (451) or grounding electrodes (452) are arranged along the circumferential direction of one side surface of the inner part of the main body barrel (401) at intervals, and a plurality of grounding electrodes (452) or discharge electrodes (451) are arranged along the circumferential direction of the outer surface of the first barrel (411) at intervals on the same height, so that high voltage generated by the high-voltage generator (453) is applied to the discharge electrodes (451) and the grounding electrodes (452) to start discharge between the discharge electrodes (451) and the grounding electrodes (452),
charged particles which emit electrons or ions and thermal electrons emitted from the electrodes (451, 452) heated to a high temperature are larger than silicon dioxide (SiO) which is a main component substance of the glass film2) Work function value of 5.0eV, work function value of 1.6eV for calcium oxide (CaO), work function value of 4.7eV for magnesium oxide (MgO), work function value of 1.1eV for barium oxide (BaO), and work function value of aluminum oxide (Al)2O3) The electric field energy (IE, eV) of work function value (1.1eV to 5.0eV) of (a) occurs in a range of 5.0eV to 5KeV, thereby removing the glass film coated on the surface of the fly ash particles during elastic collision of the charged particles of electrons or ions and the thermal electrons released from the electrode (451, 452) heated to a high temperature with the fly ash.
14. The apparatus as claimed in claim 8, wherein the high voltage generator 453 of the discharge unit 450 is 12V or more in the case of a direct current (D.C) power supply, 110V or more in the case of an alternating current (A.C) power supply, and the output voltage is in the range of 1KV to 50KV in both the case of the direct current power supply and the case of the alternating current power supply, and the high voltage generator 453 outputs the selected output voltage in consideration of the performance of removing the glass film surrounding the surface of the soot particles.
15. The fly ash recycling apparatus with built-in glass film removal function according to claim 8, wherein the heating means (460) is composed of a power supply unit (461), a frequency oscillator (462), a lead wire (463) and an induction heating coil (464), the heating means (460) is wound at a predetermined number of windings in the circumferential direction on the outer surface of the body drum (401), the heating means (460) is of a high-frequency induction heating type, and when power is supplied to the induction heating coil (464) through the lead wire (463) from the power supply unit (461), electric charges and particles released from the discharge electrode (451) or the ground electrode (452) and the ground electrode (452) or the discharge electrode (451) provided in the circumferential direction of the outer surface of the first drum (411) are retained at intervals in the circumferential direction of one side surface of the body drum (401) due to the influence of a magnetic field generated at an angle of 90 degrees in the flow direction of current in the induction heating coil (464) The time is extended to improve the efficiency of removing the glass film coated on the surface of the fly ash particles passing through the passage (402) in the turbulent swirling state.
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