CN115435329B - Ash removal process of hot blast stove - Google Patents
Ash removal process of hot blast stove Download PDFInfo
- Publication number
- CN115435329B CN115435329B CN202211080715.3A CN202211080715A CN115435329B CN 115435329 B CN115435329 B CN 115435329B CN 202211080715 A CN202211080715 A CN 202211080715A CN 115435329 B CN115435329 B CN 115435329B
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- bin
- hot blast
- blast stove
- discharge
- motor
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 36
- 239000003818 cinder Substances 0.000 claims abstract description 33
- 238000012216 screening Methods 0.000 claims abstract description 24
- 239000003245 coal Substances 0.000 claims abstract description 23
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003337 fertilizer Substances 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000007790 scraping Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 abstract description 3
- 239000002956 ash Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 238000010298 pulverizing process Methods 0.000 description 6
- 239000002893 slag Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010405 clearance mechanism Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Abstract
The invention provides a dust removing process of a hot blast stove, which comprises the following steps of: s1, when the device is used, accumulated ash in the hot blast stove is discharged into a screening bin through a discharge pipe to screen inorganic fertilizer and coal cinder; s2, cleaning the inner side wall of the hot blast stove through a cleaning mechanism, and conveying residues into the screening bin again; s3, conveying the coal cinder into a crushing bin for crushing after screening, and conveying the coal cinder into a stirring bin for stirring with water to form a semi-solid; and S4, conveying the semi-solid cinder into a die, pressing the cinder, and finally drying to form a coal block for subsequent utilization.
Description
Technical Field
The invention relates to the technical field of hot blast stoves, in particular to a dust removing process of a hot blast stove.
Background
The drying machine is needed to be used for drying the wood boards, and the drying machines are all needed to be provided with hot air devices. The hot air device adopts the hot air furnace generally, and the hot air furnace includes the furnace, and upper portion sets up the air pipe in the furnace, and when the hot air furnace during operation, combustion of fuel in the furnace can produce a large amount of deposits, and the deposit is discharged in the air pipe along with the flue gas, and wherein some deposits can adhere to inside the air pipe, influence subsequent hot air furnace combustion effect. In order to ensure complete combustion of fuel, the ventilation pipeline needs to be cleaned in time, and is inside the hearth, the temperature is higher, the working environment is poorer, and the manual work is difficult to enter the hearth for cleaning.
Disclosure of Invention
Therefore, the invention aims to provide the ash removal process of the hot blast stove, which can remove ash in the hearth of the hot blast stove, separate cinder from cinder and facilitate subsequent utilization.
The invention is realized by the following steps: an ash removal process of a hot blast stove, comprising the following steps:
S1, when the device is used, accumulated ash in the hot blast stove is discharged into a screening bin through a discharge pipe to screen inorganic fertilizer and coal cinder;
s2, cleaning the inner side wall of the hot blast stove through a cleaning mechanism, and conveying residues into the screening bin again;
s3, conveying the coal cinder into a crushing bin for crushing after screening, and conveying the coal cinder into a stirring bin for stirring with water to form a semi-solid;
And S4, conveying the semi-solid cinder into a die, pressing the cinder, and finally drying to form a coal block for subsequent utilization, thereby realizing ash removal and subsequent treatment in the hot blast stove.
Further, the clearance mechanism includes first fixed block, first fixed block set up in back surface upper end in the hot-blast furnace, be provided with first motor on the first fixed block, the output of first motor is connected with first screw rod, back surface lower extreme is provided with the second fixed block in the hot-blast furnace, first screw rod end is fixed through the bearing on the second fixed block, the spiral shell is equipped with the lift disc on the first screw rod, the lift disc surface is provided with cleaning brush, both ends all are provided with semicircular scraper blade about the lift disc upper surface, semicircular scraper blade lateral surface is from last to inwards sloping setting down, semicircular scraper blade lateral surface is provided with the rubber block.
Further, the discharging pipe is arranged on the lower surface of the hot-blast stove, the placement groove is formed in the right side of the lower surface of the hot-blast stove, a first telescopic cylinder is embedded in the right side face of the placement groove, and a first openable cover plate for opening and closing the discharging pipe is arranged at the tail end of a telescopic rod of the first telescopic cylinder.
Further, the screening bin is internally provided with a screen plate from left to right in a downward tilting manner, the left side surface and the right side surface in the screening bin are both provided with limiting grooves, the limiting grooves are internally provided with telescopic rods, the telescopic rods are sleeved with reset springs, the upper ends of the left side surface and the right side surface of the screen plate are both extended and provided with extension blocks used for being embedded in the limiting grooves, the extension blocks are erected on the telescopic rods, the lower end of the rear surface in the screening bin is provided with a second motor, the tail end of an output shaft of the second motor is provided with a cam used for driving the screen plate to vibrate, the right side surface of the screening bin is provided with a discharge hole corresponding to the discharge hole of the screen plate, the inner top surface of the discharge hole is embedded with a second telescopic cylinder, the right side surface of the stirring bin is provided with a lower hopper matched with the discharge hole, the lower hopper is downwards arranged from left to right in a tilting manner, and the discharge hole of the lower hopper is correspondingly arranged with the feed hole of the crushing bin.
Further, the upper surface of the crushing bin is open, a plurality of third motors are arranged on the inner rear surface of the crushing bin at equal intervals, the output ends of the third motors are connected with crushing rollers, and the lower surface of the crushing bin is connected with the stirring bin through a discharge pipe.
Further, the bottom surface inlays and is equipped with the fourth motor in the stirring storehouse, the output of fourth motor is connected with the axis of rotation, the equidistance is provided with the stirring leaf in the axis of rotation, the left end is connected with the scraper blade in the axis of rotation, the scraper blade lower surface is provided with and is used for scraping the rubber scraper blade of stirring storehouse bottom surface, stirring storehouse lower surface left end is connected with row hopper, row hopper's discharge gate department is provided with the solenoid valve, stirring storehouse interior lower surface be provided with row hopper's discharge gate corresponds screw conveyer, stirring storehouse's right flank lower extreme be provided with screw conveyer's discharge gate corresponds and downward flitch of slope, the discharge gate of flitch corresponds with the feed inlet of mould.
Further, the mould upper surface is opened and is set up, both ends all inlay about the mould lower surface and be equipped with flexible cylinder, the telescopic link end of flexible cylinder is provided with the stripper plate, all be provided with first heating wire in the side about the mould, the mould is placed on supporting the base, the bar recess has been seted up to supporting the base upper surface, the left surface of supporting the base is provided with the fifth motor, the output of fifth motor is connected with the second screw rod, the second screw rod set up in the bar recess, the mould spiral shell is established on the second screw rod, supporting the base upper surface and being provided with the portal frame, be provided with multisection flexible cylinder on the diaphragm of portal frame, the telescopic link end of multisection flexible cylinder is provided with the clamp plate, the clamp plate lower surface equidistance is provided with a plurality of compression columns, be provided with the second heating wire in the clamp plate, just the mould set up in the portal frame left side.
The invention has the beneficial effects that: according to the invention, inorganic fertilizer and coal cinder in ash in the hot blast stove can be screened, then the cleaning function of the inner wall of the hot blast stove can be realized through the cleaning mechanism, the next use of the hot blast stove is facilitated, and the redundant ash in the hot blast stove is removed; the invention has simple process and convenient operation, and can also adopt mechanical equipment to replace traditional manual work, thereby improving the working efficiency; the coal slag is separated from other inorganic fat slag, and the separated coal slag can be recycled, so that the resource waste is reduced, and the environment is protected; the larger cinder is cut up, so that the space is saved.
Drawings
FIG. 1 is a schematic illustration of the process flow of the present invention.
Fig. 2 is a schematic structural view of the present invention.
Fig. 3 is a schematic structural view of the pulverizing bin.
Fig. 4 is a schematic structural view of the mold.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, the invention provides a dust removing process of a hot blast stove, which comprises the following steps:
S1, when the air heating furnace is used, accumulated ash in the air heating furnace 1 is discharged into a screening bin 3 through a discharge pipe 2 to screen inorganic fertilizer and coal cinder;
s2, cleaning the inner side wall of the hot blast stove through a cleaning mechanism 4, and conveying residues into the screening bin 2 again;
S3, conveying the coal cinder into a crushing bin 5 for crushing after screening, and conveying the coal cinder into a stirring bin 6 for stirring with water to form a semi-solid;
And S4, conveying the semi-solid cinder into a die 7, pressing the cinder, and finally drying to form a coal block for subsequent utilization, thereby realizing ash removal and subsequent treatment in the hot blast stove.
With continued reference to fig. 2, in an embodiment of the present invention, the cleaning mechanism 4 includes a first fixing block 41, the first fixing block 41 is disposed at an upper end of an inner rear surface of the hot blast stove 1, a first motor 42 is disposed on the first fixing block 41, an output end of the first motor 42 is connected with a first screw rod 43, a second fixing block 44 is disposed at a lower end of an inner rear surface of the hot blast stove 1, an end of the first screw rod 43 is fixed on the second fixing block 44 through a bearing, a lifting disc 45 is spirally sleeved on the first screw rod 43, cleaning brushes 46 are disposed on an outer surface of the lifting disc 45, semicircular scrapers 47 are disposed at left and right ends of an upper surface of the lifting disc 45, an outer side surface of the semicircular scrapers 47 is disposed obliquely from top to bottom, and a rubber block 48 is disposed on an outer side surface of the semicircular scrapers 47. The first motor 42 can drive the first screw 43 to rotate, so that the lifting disc 45 can be lifted up and down, the lifting disc 45 can be lifted up and down to realize the lifting of the semicircular scraping plate 47, the scraping of the inner wall of the hot blast stove 1 is realized, and the cleaning effect of the inner wall of the hot blast stove 1 is realized.
With continued reference to fig. 2, in an embodiment of the present invention, a discharging pipe 2 is disposed on the lower surface of the hot blast stove 1, a placement groove 11 is disposed on the right side of the lower surface of the hot blast stove 1, a first telescopic cylinder 12 is embedded in the right side surface of the placement groove 11, and a first openable cover 13 for opening and closing the discharging pipe 2 is disposed at the end of a telescopic rod of the first telescopic cylinder 12. So that the first openable cover plate 13 can be driven to move left and right through the action of the first telescopic cylinder 12, and the opening and closing action of the discharging pipe 2 is realized.
With continued reference to fig. 2, in an embodiment of the present invention, a screen plate 21 is obliquely disposed in the screening bin 2 from left to right, limit grooves (not shown) are formed in left and right sides of the screening bin 2, a telescopic rod 22 is disposed in the limit grooves, a return spring 23 is sleeved on the telescopic rod 22, extension blocks 24 for embedding in the limit grooves are disposed at upper ends of left and right sides of the screen plate 21, the extension blocks 24 are erected on the telescopic rod 22, a second motor (not shown) is disposed at a lower end of an inner rear surface of the screening bin 2, a cam 25 for driving the screen plate 21 to vibrate is disposed at an end of an output shaft of the second motor, a discharge port (not shown) corresponding to the discharge port of the screen plate 21 is disposed at a right side of the screening bin 2, a second telescopic cylinder 26 is disposed at an inner top surface of the discharge port, a second openable cover plate 27 for opening and closing the discharge port is disposed at an end of the telescopic rod of the second telescopic cylinder 26, a lower hopper 28 matched with the discharge port is disposed at a right side of the stirring bin 2, and a lower hopper 28 is disposed at a lower hopper 28 corresponding to the lower hopper 28 obliquely disposed to right side of the discharge port 5 from left and below the hopper is disposed at a lower hopper corresponding to the lower hopper 28. So that screen through sieve 21, screen the ashes to sieve 21 below, drive cam 25 through the second motor and rotate, realize the vibration from top to bottom of sieve 21, then carry the cinder in smashing storehouse 5 through hopper 28 down, through the effect of the flexible cylinder 26 of second, can drive the second and can open and shut apron 27 and realize the effect of opening and shutting of discharge gate.
With continued reference to fig. 2 and 3, in an embodiment of the present invention, an upper surface of the pulverizing bin 5 is open, a plurality of third motors (not shown) are equidistantly disposed on an inner rear surface of the pulverizing bin 5, an output end of each third motor is connected to a pulverizing roller 51, and a lower surface of the pulverizing bin 51 is connected to the stirring bin 6 through a discharge pipe. So that the pulverizing roller 51 can be rotated by the third motor to pulverize the coal slag into powder.
With continued reference to fig. 2 and 3, in an embodiment of the present invention, a fourth motor 61 is embedded in the bottom surface of the stirring bin 6, an output end of the fourth motor 61 is connected with a rotating shaft 62, stirring blades 63 are equidistantly disposed on the rotating shaft 62, a scraper 64 is connected to a left end of the rotating shaft 62, a rubber scraper 65 for scraping the bottom surface of the stirring bin 6 is disposed on a lower surface of the scraper 64, a discharging hopper 66 is connected to a left end of the lower surface of the stirring bin 6, an electromagnetic valve 67 is disposed at a discharge hole of the discharging hopper 66, a screw conveyor 68 corresponding to the discharge hole of the discharging hopper 66 is disposed on an inner lower surface of the stirring bin 6, a discharge plate 69 corresponding to the discharge hole of the screw conveyor 68 and inclined downward is disposed at a lower end of a right side surface of the stirring bin 6, and a discharge hole of the discharge plate 69 corresponds to a feed hole of the die 7. The fourth motor 61 drives the rotating shaft 62 to rotate, the stirring blade 63 is rotated, water is conveyed into the stirring bin 6 through the water inlet pipe 60 and stirred with coal cinder, the coal cinder and the water are mixed to form a semi-solid state, then the semi-solid state is conveyed into the die 7 through the discharging plate 69 by the screw conveyor 68, the scraper 64 can be driven to rotate by the rotating shaft 62, the inner bottom surface of the stirring bin 6 can be scratched by the rubber scraper 65, and the coal cinder is prevented from being stuck to the inner bottom surface of the stirring bin 6.
Referring to fig. 2 and 4, in an embodiment of the present invention, the upper surface of the mold 7 is opened, the left and right ends of the lower surface of the mold 7 are respectively embedded with a telescopic cylinder 71, the tail ends of telescopic rods of the telescopic cylinders 71 are respectively provided with a demoulding plate 72, the left and right sides of the mold 7 are respectively provided with a first electric heating wire 73, the mold 7 is placed on a supporting base 74, the upper surface of the supporting base 74 is provided with a bar-shaped groove (not shown), the left side of the supporting base 74 is provided with a fifth motor 75, the output end of the fifth motor 75 is connected with a second screw 76, the second screw 76 is arranged in the bar-shaped groove, the mold 7 is spirally sleeved on the second screw 76, the upper surface of the supporting base 74 is provided with a portal frame 77, the transverse plates of the portal frames 77 are respectively provided with a plurality of telescopic cylinders 78, the tail ends of telescopic rods of the telescopic cylinders 78 are respectively provided with a pressing plate 79, the lower surface of the pressing plate 79 is equidistantly provided with a plurality of pressing columns 70, the pressing plate 70 is internally provided with a second screw 8, and the left side of the mold 7 is arranged on the left side of the portal frame 77. So that through carrying cinder to mould 7 in, then through opening fifth motor 75, fifth motor 75 drives second screw rod 76 and rotates, and second screw rod 76 rotates and can realize mould 7's left and right movement, moves mould 7 to the clamp plate 79 under, then drives clamp plate 79 through multisection telescopic cylinder 78 and move down to realize the compaction of cinder, the effect of rethread push down 70 can leave the ventilation hole on the cinder and be convenient for burn, through the effect of first heating wire 73 and second heating wire 8, becomes the cinder hot pressing into the cinder.
The motor, the heating wire, the multi-section telescopic cylinder, the telescopic cylinder and the hot blast stove are all of the prior art, and the motor, the heating wire, the multi-section telescopic cylinder, the telescopic cylinder and the hot blast stove are all well known to those skilled in the art and are not described in detail herein.
The foregoing description is only of the preferred embodiments of the invention, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (1)
1. The ash removal process of the hot blast stove is characterized by comprising the following steps of:
S1, when the device is used, accumulated ash in the hot blast stove is discharged into a screening bin through a discharge pipe to screen inorganic fertilizer and coal cinder;
s2, cleaning the inner side wall of the hot blast stove through a cleaning mechanism, and conveying residues into the screening bin again;
s3, conveying the coal cinder into a crushing bin for crushing after screening, and conveying the coal cinder into a stirring bin for stirring with water to form a semi-solid;
s4, conveying the semi-solid cinder into a die, pressing the cinder, and finally drying to form a coal block for subsequent utilization, so that ash removal and subsequent treatment in the hot blast stove are realized;
The cleaning mechanism comprises a first fixed block, the first fixed block is arranged at the upper end of the inner rear surface of the hot blast stove, a first motor is arranged on the first fixed block, the output end of the first motor is connected with a first screw rod, the lower end of the inner rear surface of the hot blast stove is provided with a second fixed block, the tail end of the first screw rod is fixed on the second fixed block through a bearing, a lifting disc is spirally sleeved on the first screw rod, cleaning brushes are arranged on the outer surface of the lifting disc, semicircular scrapers are arranged at the left and right ends of the upper surface of the lifting disc, the outer side surface of each semicircular scraper is obliquely arranged from top to bottom and the outer side surface of each semicircular scraper is provided with a rubber block;
The lower surface of the hot blast stove is provided with a discharging pipe, the right side of the lower surface of the hot blast stove is provided with a placing groove, a first telescopic cylinder is embedded in the right side surface of the placing groove, and the tail end of a telescopic rod of the first telescopic cylinder is provided with a first openable cover plate for opening and closing the discharging pipe;
The screening bin is internally provided with a screen plate from left to right in a downward tilting manner, the left side surface and the right side surface in the screening bin are both provided with limit grooves, the limit grooves are internally provided with telescopic rods, the telescopic rods are sleeved with reset springs, the upper ends of the left side surface and the right side surface of the screen plate are both provided with extension blocks for being embedded in the limit grooves in an extending manner, the extension blocks are erected on the telescopic rods, the lower end of the rear surface in the screening bin is provided with a second motor, the tail end of an output shaft of the second motor is provided with a cam for driving the screen plate to vibrate, the right side surface of the screening bin is provided with a discharge hole corresponding to the discharge hole of the screen plate, the inner top surface of the discharge hole is embedded with a second telescopic cylinder, the tail end of the telescopic rods of the second telescopic cylinder is provided with a second openable cover plate for opening and closing the discharge hole, the right side surface of the stirring bin is provided with a blanking hopper matched with the discharge hole, the blanking hopper is obliquely arranged downward from left to right, and the discharge hole of the blanking hopper is correspondingly arranged with the feed port of the crushing bin;
The upper surface of the crushing bin is open, a plurality of third motors are arranged on the inner rear surface of the crushing bin at equal intervals, the output ends of the third motors are connected with crushing rollers, and the lower surface of the crushing bin is connected with the stirring bin through a discharge pipe;
The bottom surface in the stirring bin is embedded with a fourth motor, the output end of the fourth motor is connected with a rotating shaft, stirring blades are equidistantly arranged on the rotating shaft, the left end of the rotating shaft is connected with a scraping plate, the lower surface of the scraping plate is provided with a rubber scraping plate for scraping the bottom surface of the stirring bin, the left end of the lower surface of the stirring bin is connected with a discharge hopper, a discharge port of the discharge hopper is provided with an electromagnetic valve, the lower surface in the stirring bin is provided with a screw conveyor corresponding to the discharge port of the discharge hopper, the lower end of the right side surface of the stirring bin is provided with a discharge plate which corresponds to the discharge port of the screw conveyor and inclines downwards, and the discharge port of the discharge plate corresponds to the feed port of the die;
The mold is characterized in that the upper surface of the mold is opened, the left end and the right end of the lower surface of the mold are respectively embedded with a telescopic cylinder, the tail ends of telescopic rods of the telescopic cylinders are respectively provided with a demoulding plate, the left side surface and the right side surface of the mold are respectively provided with a first heating wire, the mold is placed on a supporting base, the upper surface of the supporting base is provided with a strip-shaped groove, the left side surface of the supporting base is provided with a fifth motor, the output end of the fifth motor is connected with a second screw rod, the second screw rod is arranged in the strip-shaped groove, the mold is spirally sleeved on the second screw rod, the upper surface of the supporting base is provided with a portal frame, the tail ends of telescopic rods of the telescopic cylinders are respectively provided with a pressing plate, the lower surface of the pressing plates are equidistantly provided with a plurality of pressing columns, the pressing plates are internally provided with second heating wires, and the mold is arranged on the left side of the portal frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211080715.3A CN115435329B (en) | 2022-09-05 | Ash removal process of hot blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211080715.3A CN115435329B (en) | 2022-09-05 | Ash removal process of hot blast stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115435329A CN115435329A (en) | 2022-12-06 |
| CN115435329B true CN115435329B (en) | 2024-07-05 |
Family
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208978005U (en) * | 2018-06-29 | 2019-06-14 | 宜昌成坤建材有限责任公司 | A kind of flyash brick production system |
| CN110976030A (en) * | 2019-12-08 | 2020-04-10 | 河北昊天热力发展有限公司 | Heat supply waste residue processing apparatus |
| CN210511740U (en) * | 2019-08-23 | 2020-05-12 | 中材节能股份有限公司 | Automatic ash removal device of ferrosilicon exhaust-heat boiler |
| CN214865106U (en) * | 2021-03-09 | 2021-11-26 | 石台县金兴钙业有限公司 | Collection device is used in fly ash production |
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208978005U (en) * | 2018-06-29 | 2019-06-14 | 宜昌成坤建材有限责任公司 | A kind of flyash brick production system |
| CN210511740U (en) * | 2019-08-23 | 2020-05-12 | 中材节能股份有限公司 | Automatic ash removal device of ferrosilicon exhaust-heat boiler |
| CN110976030A (en) * | 2019-12-08 | 2020-04-10 | 河北昊天热力发展有限公司 | Heat supply waste residue processing apparatus |
| CN214865106U (en) * | 2021-03-09 | 2021-11-26 | 石台县金兴钙业有限公司 | Collection device is used in fly ash production |
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