CN110787575A - Smoke purification tower for recycling dust of sintering machine head of steel plant - Google Patents

Smoke purification tower for recycling dust of sintering machine head of steel plant Download PDF

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Publication number
CN110787575A
CN110787575A CN201911044549.XA CN201911044549A CN110787575A CN 110787575 A CN110787575 A CN 110787575A CN 201911044549 A CN201911044549 A CN 201911044549A CN 110787575 A CN110787575 A CN 110787575A
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dust
casing
collecting
shell
flue gas
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CN201911044549.XA
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CN110787575B (en
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丁武轩
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Jiangsu Landian Environmental Protection Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/68—Halogens or halogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION 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
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION 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
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/30—Combinations with other devices, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B01D2257/2045—Hydrochloric acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B01D2257/2047—Hydrofluoric acid

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention relates to the field of steel processing, in particular to a smoke purification tower for recycling dust at a sintering machine head of a steel plant, which comprises a powder collecting mechanism, an air inlet pipe, a collecting mechanism, a connecting mechanism, an air filtering mechanism, a flow guide mechanism, a falling mechanism, a separating mechanism and a cleaning mechanism, wherein the powder collecting mechanism is arranged on the air inlet pipe; the powder collecting mechanism and the flow guide mechanism are matched for use, the flow guide mechanism is used for facilitating the filtration of dust in the flue gas and the cooling of the flue gas, the flow guide mechanism is used for facilitating the acceleration of the flow speed of the flue gas, and the flow guide mechanism generates centrifugal force to facilitate the deposition of the dust in the flue gas in the powder collecting mechanism; through the use of mechanism is collected in the cooperation of separating mechanism, the through-hole that the dust of deposit in the powder collecting mechanism produced at the rotation in-process through whereabouts mechanism drops to separating mechanism on, separates out and drops into respectively in collecting the mechanism with iron-containing dust and non-iron-containing dust through separating mechanism to the convenient iron-containing material of collecting utilizes.

Description

Smoke purification tower for recycling dust of sintering machine head of steel plant
Technical Field
The invention relates to the field of steel processing, in particular to a smoke purification tower for recycling dust of a sintering machine head in a steel plant.
Background
The waste gas purifying tower is a device which is matched with different medicaments according to different waste gases and adopts a wet treatment method to purify various toxic and harmful waste gases. It is designed by absorbing the essence of purification technologies such as a foam tower, a spray tower, a packed tower and the like, and has a dust removal effect.
The sintering machine is suitable for sintering operation of large-scale ferrous metallurgy sintering plants, is main equipment in the air draft sintering process, can sinter concentrate powder and rich mineral powder with different components and different granularities into blocks, and partially eliminates harmful impurities such as sulfur, phosphorus and the like contained in the ore. The larger the sintering area is, the higher the yield is; however, while flue gas containing corrosive gas including hydrogen chloride, sulfur oxide, nitrogen oxide, and hydrogen fluoride and dust including metals, metal oxides, incompletely combusted substances, and the like is discharged when the sintering machine is used, when flue gas of the conventional sintering machine is introduced into a purification tower and treated, dust is introduced into a solution, and although the corrosive gas is easily reacted with an alkaline solution so that the discharged gas does not pollute the atmosphere, dust including metals, metal oxides, incompletely combusted substances, and the like therein is also reacted with the alkaline solution, and thus it is not favorable for separating and treating the metal substances and reusing them.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a smoke purification tower for recycling dust at a sintering machine head of a steel plant.
The technical scheme adopted by the invention for solving the technical problems is as follows: a smoke purification tower for recycling dust at a sintering machine head of a steel plant comprises a dust collecting mechanism, an air inlet pipe, a collecting mechanism, a connecting mechanism, an air filtering mechanism, a flow guide mechanism, a falling mechanism, a separating mechanism and a cleaning mechanism, wherein the dust collecting mechanism is fixedly connected with the top end of the dust collecting mechanism and used for the flue gas to enter the air inlet pipe for collecting the dust in the flue gas, the dust collecting mechanism is fixedly arranged inside the air inlet pipe and used for accelerating the flue gas to pass through the flow guide mechanism, the dust collecting mechanism is fixedly arranged for collecting the dust in the flue gas and is provided with the falling mechanism for the falling of the dust, the dust collecting mechanism is fixedly arranged for collecting the dust in the flue gas and is provided with the separating mechanism for separating the dust, the dust collecting mechanism is slidably connected with the collecting mechanism for collecting the dust in the flue gas, the connecting mechanism is fixedly connected with the top end of the dust collecting mechanism and used for connecting, be used for connecting coupling mechanism fixed connection is used for handling corrosive gas the mechanism is strained to the gas for collect dust in the flue gas collection powder mechanism is fixed in and is used for handling corrosive gas the mechanism is strained to the gas for collect dust in the flue gas collection powder mechanism fixed connection is used for cleanly clean mechanism contradicts in being used for separating the dirt ash separating mechanism.
Specifically, powder collecting mechanism includes casing, flue, cavity and unloading pipe, the casing is fixed in air filtering mechanism, the inside of casing is equipped with and is used for the dust to pass through the flue, the flue is the bend structure of "S" shape, the inside of casing is equipped with the dust of being convenient for and drops the cavity, install in the casing the unloading pipe, the cavity with communicate between the unloading pipe.
Specifically, water conservancy diversion mechanism includes safety cover, flabellum and first motor, first motor fixed mounting in the casing, first motor has cup jointed the flabellum, safety cover fixed mounting in the inside of casing, the flabellum with first motor is located in the safety cover.
Specifically, the falling mechanism comprises a pull rope, a baffle plate, a sealing gasket, a torsion spring, a rotating column, a second motor, a roller and a guide wheel, the sealing gasket is fixedly connected inside the shell, the second motor is fixedly arranged inside the shell, the second motor is sleeved with the roller wheel, the roller wheel is fixedly connected with one end of the pull rope, the other end of the pull rope is fixedly connected with the baffle plate, the rotating column is fixedly connected with the shell, the rotating column is rotatably connected with the baffle plate, the baffle plate is clamped in the shell and abuts against the sealing gasket, the guide wheel is fixedly connected with the shell, the pull rope is connected with the guide wheel in a sliding manner, the torsion spring is sleeved on the rotating column, one end of the torsion spring is fixedly connected with the baffle, and the other end of the torsion spring is fixed with the same rotating column.
Specifically, coupling mechanism includes connecting pipe, filter cloth and collar, the bottom mounting of connecting pipe is in the top of casing, the collar snap-fit connect in the connecting pipe, filter cloth fixed mounting in the connecting pipe.
Specifically, the air filtering mechanism comprises a vent pipe and a purifying tower body, one end of the vent pipe is fixedly connected with the top end of the connecting pipe, the other end of the vent pipe is fixed on the purifying tower body, and the purifying tower body is fixed with the shell.
Specifically, separating mechanism includes iron core, cylinder, transmission band, coil, shell and third motor, third motor fixed mounting in the casing, the cylinder cup joint in the third motor, the both ends of cylinder rotate connect in the casing, transmission band sliding connection in the cylinder, shell fixed mounting in the casing, the inside fixed mounting of shell has the iron core, the outside winding of iron core has the coil.
Specifically, clean mechanism includes pivot, brush and fender needle, pivot fixed connection in the casing, the brush rotate connect in the pivot, the brush contradict in the surface of transmission band, keep off needle fixed connection in the casing, it is equipped with a plurality ofly, a plurality of to keep off the even range of needle in on the casing.
Specifically, collect the mechanism including collecting frame, handle, slider, spout, fixture block and compression spring, collect frame sliding connection in the casing, handle fixed connection in collect the lateral wall of frame, compression spring's one end fixed connection in collect the frame, compression spring's the other end is fixed in the slider, the slider deviates from compression spring's one end is fixed in the fixture block, the slider slide in collect the last spout that is equipped with of frame, the fixture block in the casing.
The invention has the beneficial effects that:
(1) according to the smoke purification tower for recycling the dust removed from the sintering machine head of the steel plant, the powder collecting mechanism and the flow guide mechanism are matched, the flow guide mechanism is used for facilitating the filtering of dust in the flue gas and the cooling of the flue gas, the flow speed of the flue gas is facilitated to be increased by the flow guide mechanism, and the centrifugal force generated by the flow guide mechanism is used for facilitating the deposition of the dust in the flue gas in the powder collecting mechanism; drive the flabellum clockwise rotation through first motor for be in the velocity of motion of the flue gas in the flue, and make the centrifugal force that produces make the flue gas through the flabellum rotate and outwards spread in the place of the flabellum that is equipped with in the flue, make the dust in the dust beat the lateral wall of the casing in the flue, thereby can cool down the flue gas of high temperature, and prevent because the appearance of the phenomenon that longer flue made the circulation speed of flue gas decline, be convenient for the better settlement of dust in the flue.
(2) According to the smoke purification tower for recycling the dust removed from the sintering machine head of the steel plant, the separation mechanism is matched with the collection mechanism for use, the dust deposited in the powder collection mechanism falls onto the separation mechanism through the through hole generated in the rotation process of the falling mechanism, and the iron-containing dust and the non-iron-containing dust are separated by the separation mechanism and are respectively put into the collection mechanism, so that the iron-containing substances are conveniently collected and utilized; the third motor drives the roller to rotate anticlockwise, the transmission belt rotates anticlockwise, dust falling onto the transmission belt from the blanking pipe is supported by the bottom end of the blanking pipe, so that the thickness of the dust on the transmission belt is the same, the wires at the two ends of the coil are connected with a power supply, the two ends of the iron core generate magnetism, when the dust passes through the bottom end of the shell, iron-containing substances in the dust are attracted by the iron core, then when the separated dust on the transmission belt rotates to the bottom end of the transmission belt, the separated dust without iron-containing substances falls into the collection frame, so that the collection of the separated dust without iron-containing substances is facilitated, when the collection is completed, the sliding block slides downwards, so that the compression spring is extruded, the clamping block is separated from the shell to enter the collection frame, then the handle is pulled, the handle drives the collection frame to move in the direction away from the shell, so that the collection frame is separated dust without iron-containing substances in the collection frame is poured out, then will collect the frame and install on the casing again, the power at disconnection coil both ends, thereby make the dust of the iron-containing substance on shell surface drop to the transmission band on, then drop to collecting in the frame along the transmission band, collect the dust that contains the iron-containing substance, then the slider slides down, thereby make compression spring extruded, the fixture block breaks away from in the casing and gets into and collects the frame, then the pulling handle, the handle drives and collects the frame and removes to the direction of keeping away from the shell, thereby make and collect the frame and break away from the casing, conveniently collect taking out of the object in the frame, the dust that will collect the iron-containing substance in the frame takes out and recycles.
(3) According to the smoke purification tower for recycling the dust removed from the sintering machine head of the steel plant, the separation mechanism and the cleaning mechanism are used in a matched manner, and the cleaning mechanism is used for separating iron-containing dust and non-iron-containing dust when the separation mechanism is used for separating the iron-containing dust and the non-iron-containing dust, so that the iron-containing dust and the non-iron-containing dust are prevented from being mixed, and the recovery rate is reduced; when the transmission band rotated, the surface of the clean transmission band of brush, utilize the brush to brush the remaining dust on transmission band surface down, make the dust drop again to collecting in the frame to the transmission band can drive the brush in the pivoted and rotate in the pivot, thereby make and keep off the needle and strike the brush, the dust that is infected with on the messenger brush drops into collects the frame, is convenient for clear up the brush, thereby prevents the mixture of iron content dust and the dust that does not contain the iron dust, reduces the rate of recovery.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a smoke purification tower for recycling fly ash from a head of a sintering machine in a steel plant according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a connection structure of the powder collecting mechanism and the air inlet pipe shown in FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of the portion B shown in FIG. 2;
FIG. 5 is an enlarged view of the portion C shown in FIG. 2;
fig. 6 is an enlarged view of a portion D shown in fig. 2.
In the figure: 1. powder collecting mechanism 11, shell body 12, flue 13, cavity 14, blanking pipe 2, air inlet pipe 3, collecting mechanism 31, collecting frame 32, handle 33, slide block 34, slide groove 35, fixture block 36, compression spring 4, connecting mechanism 41, connecting pipe 42, filter cloth 43, mounting ring 5, air filtering mechanism 51, vent pipe 52, purifying tower body 6, flow guiding mechanism 61, protective cover 62, fan blade 63, first motor 7, falling mechanism 71, pull rope 72, baffle plate 73, sealing pad 74, torsion spring 75, rotating column 76, second motor 77, roller 78, guide wheel 8, separating mechanism 81, iron core 82, roller 83, conveying belt 84, coil 85, shell 86, third motor 9, cleaning mechanism 91, rotating shaft 92, brush 93, shell 86, third motor, And (6) blocking the needle.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-6, the fume cleaning tower for recycling dust collected at a head of a sintering machine in a steel plant according to the present invention includes a dust collecting mechanism 1, an air inlet pipe 2, a collecting mechanism 3, a connecting mechanism 4, an air filtering mechanism 5, a flow guiding mechanism 6, a dropping mechanism 7, a separating mechanism 8 and a cleaning mechanism 9, the top end of the dust collecting mechanism 1 for collecting dust in flue gas is fixedly connected with the air inlet pipe 2 for flue gas to enter, the inside of the dust collecting mechanism 1 for collecting dust in flue gas is fixedly provided with the flow guiding mechanism 6 for accelerating flue gas to pass through, the dust collecting mechanism 1 for collecting dust in flue gas is fixedly provided with the dropping mechanism 7 for dropping dust, the dust collecting mechanism 1 for collecting dust in flue gas is fixedly provided with the separating mechanism 8 for separating dust, the dust collecting mechanism 1 for collecting dust in flue gas is slidably connected with the collecting mechanism 3 for collecting dust, a coupling mechanism 4 for connect 4 fixed connection of coupling mechanism is used for handling corrosive gas the gas filter mechanism 5 for collect dust in the flue gas collection powder mechanism 1 is fixed in and is used for handling corrosive gas filter mechanism 5 is used for collecting dust in the flue gas collection powder mechanism 1 is used for handling corrosive gas for collect dust in the flue gas collection powder mechanism 1 fixed connection is used for cleaning clean mechanism 9 contradicts in being used for separating the dirt ash separating mechanism 8.
Specifically, the powder collecting mechanism 1 comprises a shell 11, a flue 12, a cavity 13 and a discharging pipe 14, the shell 11 is fixed to the air filtering mechanism 5, the flue 12 for dust to pass through is arranged inside the shell 11, the flue 12 is in an S-shaped bent structure, the cavity 13 for dust to fall off is arranged inside the shell 11, the discharging pipe 14 is installed in the shell 11, and the cavity 13 is communicated with the discharging pipe 14; when the dust-collecting device is used, smoke enters the shell 11 through the air inlet pipe 2, the flue 12 blocks dust in the smoke and accumulates in the flue 12, the falling mechanism 7 works, the dust in the flue 12 falls into the cavity 13 from a gap formed by the falling mechanism 7, and then enters the separating mechanism 8 through the discharging pipe 14, so that the temperature of the smoke is conveniently reduced through the flue 12 arranged on the shell 11, and the dust in the smoke is convenient to accumulate and fall.
Specifically, the flow guide mechanism 6 includes a protective cover 61, a fan 62 and a first motor 63, the first motor 63 is fixedly mounted on the housing 11, the fan 62 is sleeved on the first motor 63, the protective cover 61 is fixedly mounted inside the housing 11, and the fan 62 and the first motor 63 are arranged inside the protective cover 61; when using, through first motor 63 drives flabellum 62 clockwise rotates, accelerates to be in the velocity of motion of the flue gas in flue 12, and through flabellum 62 makes the flue gas pass through rotating the centrifugal force that makes the production be equipped with in the flue 12 outward diffusion in the place of flabellum 62 makes the dust in the dust beat in the flue 12 the lateral wall of casing 11 to can cool down the flue gas of high temperature, and prevent because longer flue 12 makes the appearance of the phenomenon that the circulation speed of flue gas descends, be convenient for the better settlement of dust in the flue 12.
Specifically, the falling mechanism 7 includes a pulling rope 71, a baffle 72, a sealing gasket 73, a torsion spring 74, a rotating column 75, a second motor 76, a roller 77 and a guide wheel 78, the sealing gasket 73 is fixedly connected inside the casing 11, the second motor 76 is fixedly installed inside the casing 11, the second motor 76 is sleeved on the roller 77, the roller 77 is fixedly connected with one end of the pulling rope 71, the other end of the pulling rope 71 is fixedly connected to the baffle 72, the rotating column 75 is fixedly connected to the casing 11, the rotating column 75 is rotatably connected to the baffle 72, the baffle 72 is clamped on the casing 11, the baffle 72 is abutted against the sealing gasket 73, the guide wheel 78 is fixedly connected to the casing 11, the pulling rope 71 is slidably connected to the guide wheel 78, and the torsion spring 74 is sleeved on the rotating column 75, one end of the torsion spring 74 is fixedly connected to the baffle plate 72, and the other end of the torsion spring 74 is fixed to the same rotating column 75; when the dust collector is used, the second motor 76 drives the roller 77 to rotate, so that the pulling rope 71 is wound on the roller 77, the pulling rope 71 pulls the baffle plate 72 to rotate, the baffle plate 72 is separated from the sealing gasket 73, the baffle plate 72 rotates on the rotating column 75, the torsion spring 74 is stressed, and then dust existing in the flue 12 falls down from the through hole separated by the baffle plate 72, so that the dust enters the cavity 13 and falls down onto the conveying belt 83 from the blanking pipe 14.
Specifically, the connecting mechanism 4 includes a connecting pipe 41, a filter cloth 42 and a mounting ring 43, the bottom end of the connecting pipe 41 is fixed at the top end of the housing 11, the mounting ring 43 is connected to the connecting pipe 41 in a clamping manner, and the filter cloth 42 is fixedly mounted on the connecting pipe 41; when dust enters the connecting pipe 41 and the air pipe 51 from the flue 12 in use, the filter cloth 42 fixed on the mounting ring 43 blocks the dust in the dust, so as to prevent the dust from entering the air pipe 51 along with the flue gas.
Specifically, the air filtering mechanism 5 includes a vent pipe 51 and a purification tower body 52, one end of the vent pipe 51 is fixedly connected to the top end of the connection pipe 41, the other end of the vent pipe 51 is fixed to the purification tower body 52, and the shell 11 is fixed to the purification tower body 52; when the flue gas purification device is used, flue gas enters the purification tower body 52 along the vent pipe 51, lime water is filled in the purification tower body 52, gas containing corrosive hydrogen chloride, sulfur oxide, nitrogen oxide and hydrogen fluoride in the flue gas can react with the lime water, the treated gas is discharged into the atmosphere, and the treated gas meets the discharge standard and is prevented from damaging the atmosphere.
Specifically, the separating mechanism 8 includes an iron core 81, a drum 82, a conveyor belt 83, a coil 84, a housing 85 and a third motor 86, the third motor 86 is fixedly mounted on the housing 11, the drum 82 is sleeved on the third motor 86, two ends of the drum 82 are rotatably connected to the housing 11, the conveyor belt 83 is slidably connected to the drum 82, the housing 85 is fixedly mounted on the housing 11, the iron core 81 is fixedly mounted inside the housing 85, and the coil 84 is wound around the outer side of the iron core 81; when the dust collector is used, the third motor 86 drives the roller 82 to rotate counterclockwise, the conveyor belt 83 rotates counterclockwise, dust falling from the discharging pipe 14 falls onto the conveyor belt 83, and the dust is supported by the bottom end of the discharging pipe 14, so that the thickness of the dust on the conveyor belt 83 is the same, the wires at two ends of the coil 84 are powered on, two ends of the iron core 81 generate magnetism, when the dust passes through the bottom end of the shell 85, iron-containing substances in the dust are attracted by the iron core 81, then when the separated dust on the conveyor belt 83 is transferred to the bottom end of the conveyor belt 83, the separated dust without iron-containing substances falls into the collecting frame 31, so that the separated dust without iron-containing substances is collected, and when the collection is completed, the separated dust without iron-containing substances in the collecting frame 31 is poured out, then, the collecting frame 31 is mounted on the housing 11 again, the power supply is cut off at both ends of the coil 84, so that the dust containing iron substances on the surface of the housing 85 falls onto the conveying belt 83, then falls into the collecting frame 31 along the conveying belt 83, the dust containing iron substances is collected, and then the dust containing iron substances in the collecting frame 31 is taken out for reuse.
Specifically, the cleaning mechanism 9 includes a rotating shaft 91, a brush 92 and a blocking needle 93, the rotating shaft 91 is fixedly connected to the housing 11, the brush 92 is rotatably connected to the rotating shaft 91, the brush 92 abuts against the surface of the conveying belt 83, the blocking needle 93 is fixedly connected to the housing 11, the blocking needles 93 are provided in plurality, and the blocking needles 93 are uniformly arranged on the housing 11; when in use, the brush 92 cleans the surface of the transmission band 83, utilizes the brush 92 to brush down the residual dust on the surface of the transmission band 83, so that the dust falls into the collection frame 31 again, and the transmission band 83 can drive the brush 92 to rotate on the rotating shaft 91 when rotating, thereby making the baffle needle 93 knock the brush 92, so that the dust contaminated on the brush 92 falls into the collection frame 31, which is convenient for to clean the brush 92.
Specifically, the collecting mechanism 3 includes a collecting frame 31, a handle 32, a sliding block 33, a sliding groove 34, a clamping block 35 and a compression spring 36, the collecting frame 31 is slidably connected to the housing 11, the handle 32 is fixedly connected to a side wall of the collecting frame 31, one end of the compression spring 36 is fixedly connected to the collecting frame 31, the other end of the compression spring 36 is fixed to the sliding block 33, one end of the sliding block 33, which is away from the compression spring 36, is fixed to the clamping block 35, the sliding block 33 is slidably connected to the sliding groove 34 provided in the collecting frame 31, and the clamping block 35 is clamped to the housing 11; when in use, the sliding block 33 is slid downwards, so that the compression spring 36 is pressed, the clamping block 35 is separated from the shell 11 and enters the collecting frame 31, then the handle 32 is pulled, the handle 32 drives the collecting frame 31 to move in a direction away from the shell 85, so that the collecting frame 31 is separated from the shell 11, and the object in the collecting frame 31 is convenient to take out.
When the device is used, smoke generated by a sintering machine head of a steel plant enters a flue 12 in a shell 11 through an air inlet pipe 2, dust in the smoke is blocked by the flue 12 and accumulated in the flue 12, a first motor 63 drives a fan blade 62 to rotate clockwise, the movement speed of the smoke in the flue 12 is accelerated, the centrifugal force generated by the rotation of the fan blade 62 enables the smoke to diffuse outwards when passing through the fan blade 62 arranged in the flue 12, dust in the dust is beaten on the side wall of the shell 11 in the flue 12, so that the high-temperature smoke can be cooled, the phenomenon that the circulation speed of the smoke is reduced due to the long flue 12 is prevented, the dust is conveniently deposited in the flue 12, and when the dust enters a connecting pipe 41 and a vent pipe 51 from the flue 12, the filter cloth 42 fixed on the mounting ring 43 blocks the dust in the dust, thereby preventing the dust from entering the vent pipe 51 along with the flue gas, the flue gas without the dust from entering the purifying tower body 52 along the vent pipe 51, the purifying tower body 52 is filled with lime water, the gas containing corrosive hydrogen chloride, oxysulfide, nitric oxide and hydrogen fluoride in the flue gas can react with the lime water, the treated gas is discharged into the atmosphere, and the treated gas meets the discharge standard and prevents the atmosphere from being damaged by the corrosive gas; after the flue gas without dust is treated, the second motor 76 drives the roller 77 to rotate, the pull rope 71 is wound on the roller 77, the pull rope 71 pulls the baffle plate 72 to rotate, the baffle plate 72 is separated from the sealing gasket 73, the baffle plate 72 rotates on the rotating column 75, the torsion spring 74 is stressed, then the dust in the flue 12 falls off from the through hole separated by the baffle plate 72, the dust enters the cavity 13 and falls onto the conveying belt 83 from the blanking pipe 14, the third motor 86 drives the roller 82 to rotate anticlockwise, the conveying belt 83 rotates anticlockwise, the dust falling from the blanking pipe 14 onto the conveying belt 83 is supported by the bottom end of the blanking pipe 14, so that the thicknesses of the dust on the conveying belt 83 are the same, the wires at the two ends of the coil 84 are connected with a power supply, the two ends of the iron core 81 generate magnetism, when the dust passes through the bottom end of the shell 85, iron-containing substances in the dust are attracted by the iron core, then when the separated dust on the conveyor belt 83 is transferred to the bottom end of the conveyor belt 83, the separated dust without ferrous substances falls into the collection frame 31, so as to facilitate the collection of the separated dust without ferrous substances, when the collection is completed, the sliding block 33 slides downwards, so that the compression spring 36 is pressed, the fixture block 35 is separated from the shell 11 and enters the collection frame 31, then the handle 32 is pulled, the handle 32 drives the collection frame 31 to move in the direction away from the shell 85, so that the collection frame 31 is separated from the shell 11, then the separated dust without ferrous substances in the collection frame 31 is poured out, then the collection frame 31 is installed on the shell 11 again, the power supply at the two ends of the coil 84 is disconnected, so that the dust with ferrous substances on the surface of the shell 85 falls onto the conveyor belt 83, then falls into the collection frame 31 along the conveyor belt 83, the dust with ferrous substances is collected, then the sliding block 33 slides downwards, thereby make compression spring 36 extruded, the fixture block 35 breaks away from in getting into collecting frame 31 from casing 11, then pull handle 32, handle 32 drives collecting frame 31 and removes to the direction that is kept away from shell 85, thereby make collecting frame 31 break away from casing 11, conveniently collect taking out of the object in the frame 31, the dust that will collect the iron-containing material in the frame 31 takes out and recycles, and when transmission band 83 rotated, the surface of transmission band 83 is cleaned to brush 92, utilize brush 92 to brush the remaining dust on transmission band 83 surface down, make the dust drop again to collecting frame 31 in, and transmission band 83 can drive brush 92 and rotate on pivot 91 when the pivoted, thereby make fender needle 93 strike brush 92, make the dust that is infected with on brush 92 drop into collecting frame 31, be convenient for clear up brush 92.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a smoke purification tower that steel plant sintering aircraft nose fly ash regeneration utilized which characterized in that: comprises a powder collecting mechanism (1), an air inlet pipe (2), a collecting mechanism (3), a connecting mechanism (4), an air filtering mechanism (5), a flow guide mechanism (6), a falling mechanism (7), a separating mechanism (8) and a cleaning mechanism (9), wherein the top end fixedly connected with of the powder collecting mechanism (1) is used for the flue gas to enter the air inlet pipe (2), the inner part fixedly arranged with the flow guide mechanism (6) for accelerating the flue gas to pass through is used for collecting the dust in the flue gas, the powder collecting mechanism (1) is fixedly arranged with the falling mechanism (7) for the falling of the powder ash, the powder collecting mechanism (1) is fixedly arranged with the separating mechanism (8) for separating the powder ash, the powder collecting mechanism (1) is connected with the collecting mechanism (3) in a sliding way and is used for collecting the powder ash, a top fixed connection for collecting in the flue gas dust collection mechanism (1) is used for connecting coupling mechanism (4) are used for connecting coupling mechanism (4) fixed connection is used for handling corrosive gas air filter mechanism (5) is used for collecting in the flue gas dust collection mechanism (1) is fixed in and is used for handling corrosive gas air filter mechanism (5) is used for collecting in the flue gas dust collection mechanism (1) fixed connection is used for cleaning clean mechanism (9) is used for the cleanness clean mechanism (9) contradict in being used for separating the dirt ash separating mechanism (8).
2. The smoke purification tower for recycling the fly ash of the head of the sintering machine in the steel plant according to claim 1, characterized in that: powder collecting mechanism (1) includes casing (11), flue (12), cavity (13) and unloading pipe (14), casing (11) are fixed in air filter mechanism (5), the inside of casing (11) is equipped with and is used for the dust to pass through flue (12), flue (12) are the bend structure of "S" shape, the inside of casing (11) is equipped with and is convenient for the dirt ash to drop cavity (13), install in casing (11) unloading pipe (14), cavity (13) with communicate between unloading pipe (14).
3. The smoke purification tower for recycling the fly ash of the head of the sintering machine in the steel plant according to claim 2, characterized in that: flow guide mechanism (6) include safety cover (61), flabellum (62) and first motor (63), first motor (63) fixed mounting in casing (11), first motor (63) have cup jointed flabellum (62), safety cover (61) fixed mounting in the inside of casing (11), flabellum (62) with first motor (63) are located in safety cover (61).
4. The smoke purification tower for recycling the fly ash of the head of the sintering machine in the steel plant according to claim 2, characterized in that: the falling mechanism (7) comprises a pull rope (71), a baffle plate (72), a sealing gasket (73), a torsion spring (74), a rotating column (75), a second motor (76), a roller (77) and a guide wheel (78), wherein the sealing gasket (73) is fixedly connected to the inside of the shell (11), the second motor (76) is fixedly installed to the inside of the shell (11), the roller (77) is sleeved on the second motor (76), the roller (77) is fixedly connected to one end of the pull rope (71), the other end of the pull rope (71) is fixedly connected to the baffle plate (72), the rotating column (75) is fixedly connected to the shell (11), the rotating column (75) is rotatably connected to the baffle plate (72), the baffle plate (72) is clamped to the shell (11), and the baffle plate (72) is abutted to the sealing gasket (73), the guide wheel (78) is fixedly connected to the shell (11), the pull rope (71) is connected to the guide wheel (78) in a sliding mode, the torsion spring (74) is sleeved on the rotating column (75), one end of the torsion spring (74) is fixedly connected to the baffle (72), and the other end of the torsion spring (74) is fixed to the rotating column (75).
5. The smoke purification tower for recycling the fly ash of the head of the sintering machine in the steel plant according to claim 2, characterized in that: the connecting mechanism (4) comprises a connecting pipe (41), filter cloth (42) and a mounting ring (43), the bottom end of the connecting pipe (41) is fixed at the top end of the shell (11), the mounting ring (43) is connected with the connecting pipe (41) in a clamping mode, and the filter cloth (42) is fixedly installed on the connecting pipe (41).
6. The smoke purification tower for recycling the fly ash of the head of the sintering machine in the steel plant according to claim 5, characterized in that: air filtering mechanism (5) includes breather pipe (51) and purifying column body (52), the one end fixed connection of breather pipe (51) the top of connecting pipe (41), the other end of breather pipe (51) is fixed in purifying column body (52), purifying column body (52) are fixed with casing (11).
7. The smoke purification tower for recycling the fly ash of the head of the sintering machine in the steel plant according to claim 2, characterized in that: separating mechanism (8) includes iron core (81), cylinder (82), transmission band (83), coil (84), shell (85) and third motor (86), third motor (86) fixed mounting in casing (11), cylinder (82) cup joint in third motor (86), the both ends of cylinder (82) rotate connect in casing (11), transmission band (83) sliding connection in cylinder (82), shell (85) fixed mounting in casing (11), the inside fixed mounting of shell (85) has iron core (81), the outside winding of iron core (81) has coil (84).
8. The fume purification tower for recycling dust of the sintering machine head of the steel plant according to claim 7, characterized in that: clean mechanism (9) are including pivot (91), brush (92) and fender needle (93), pivot (91) fixed connection in casing (11), brush (92) rotate connect in pivot (91), brush (92) contradict in the surface of transmission band (83), keep off needle (93) fixed connection in casing (11), keep off needle (93) and be equipped with a plurality ofly, a plurality of keep off needle (93) even range in on casing (11).
9. The smoke purification tower for recycling the fly ash of the head of the sintering machine in the steel plant according to claim 2, characterized in that: collect mechanism (3) including collecting frame (31), handle (32), slider (33), spout (34), fixture block (35) and compression spring (36), collect frame (31) sliding connection in casing (11), handle (32) fixed connection in collect the lateral wall of frame (31), the one end fixed connection of compression spring (36) in collect frame (31), the other end of compression spring (36) is fixed in slider (33), slider (33) deviate from the one end of compression spring (36) is fixed in fixture block (35), slider (33) slide in collect frame (31) and be equipped with spout (34), fixture block (35) the block in casing (11).
CN201911044549.XA 2019-10-30 2019-10-30 Smoke purification tower for recycling dust of sintering machine head of steel plant Active CN110787575B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06126115A (en) * 1992-10-13 1994-05-10 Sumitomo Metal Ind Ltd Method for dust collection in sintered ore manufacturing facilities
CN102085451A (en) * 2010-12-17 2011-06-08 秦皇岛双轮环保科技有限公司 Desulfuration and dust collection method based on reverse spray type semidry method for flue gas of sintering machine
CN102380308A (en) * 2010-09-03 2012-03-21 鞍钢集团工程技术有限公司 Sintering flue gas desulfurization and purification method and equipment
KR20120046813A (en) * 2010-10-27 2012-05-11 현대제철 주식회사 Appratus for refining sinter flue gas
CN105983283A (en) * 2015-02-16 2016-10-05 江苏朗逸环保科技有限公司 Automatic dedusting device and foul gas purification equipment provided with same
CN106669970A (en) * 2017-02-27 2017-05-17 张舰方 Dry processing equipment for dedusting ash recycling of sintering machine head of iron and steel plant
CN206809993U (en) * 2017-05-28 2017-12-29 曲靖市盛凯焦化有限责任公司 A kind of coke oven flue gas floor synthetic dust pelletizing system
CN109011907A (en) * 2018-08-24 2018-12-18 章丽霞 A kind of sulfur-containing flue gas purifying equipment
CN109200786A (en) * 2018-10-16 2019-01-15 安徽万磁电子有限公司 The emission-control equipment and its waste gas processing method of exhaust gas for magnet sintering furnace

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06126115A (en) * 1992-10-13 1994-05-10 Sumitomo Metal Ind Ltd Method for dust collection in sintered ore manufacturing facilities
CN102380308A (en) * 2010-09-03 2012-03-21 鞍钢集团工程技术有限公司 Sintering flue gas desulfurization and purification method and equipment
KR20120046813A (en) * 2010-10-27 2012-05-11 현대제철 주식회사 Appratus for refining sinter flue gas
CN102085451A (en) * 2010-12-17 2011-06-08 秦皇岛双轮环保科技有限公司 Desulfuration and dust collection method based on reverse spray type semidry method for flue gas of sintering machine
CN105983283A (en) * 2015-02-16 2016-10-05 江苏朗逸环保科技有限公司 Automatic dedusting device and foul gas purification equipment provided with same
CN106669970A (en) * 2017-02-27 2017-05-17 张舰方 Dry processing equipment for dedusting ash recycling of sintering machine head of iron and steel plant
CN206809993U (en) * 2017-05-28 2017-12-29 曲靖市盛凯焦化有限责任公司 A kind of coke oven flue gas floor synthetic dust pelletizing system
CN109011907A (en) * 2018-08-24 2018-12-18 章丽霞 A kind of sulfur-containing flue gas purifying equipment
CN109200786A (en) * 2018-10-16 2019-01-15 安徽万磁电子有限公司 The emission-control equipment and its waste gas processing method of exhaust gas for magnet sintering furnace

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