CN112128784A - Boiler with convection heating surface convenient for ash removal - Google Patents
Boiler with convection heating surface convenient for ash removal Download PDFInfo
- Publication number
- CN112128784A CN112128784A CN202010992155.3A CN202010992155A CN112128784A CN 112128784 A CN112128784 A CN 112128784A CN 202010992155 A CN202010992155 A CN 202010992155A CN 112128784 A CN112128784 A CN 112128784A
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- China
- Prior art keywords
- ash
- flue
- boiler
- motor
- wall body
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 32
- 239000000428 dust Substances 0.000 claims abstract description 39
- 239000000779 smoke Substances 0.000 claims abstract description 36
- 238000002485 combustion reaction Methods 0.000 claims abstract description 25
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 238000003860 storage Methods 0.000 claims abstract description 10
- 239000003500 flue dust Substances 0.000 claims abstract description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003546 flue gas Substances 0.000 claims abstract description 6
- 239000000446 fuel Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 10
- 238000007790 scraping Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005496 tempering Methods 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000002956 ash Substances 0.000 abstract description 69
- 239000010881 fly ash Substances 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 1
- 239000002028 Biomass Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 241000609240 Ambelania acida Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- -1 sawdust Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention discloses a boiler with a convection heating surface convenient for ash removal, which comprises a storage box, a blower, a combustion furnace, a boiler tube bundle, a flue, a smoke chamber, an ash removal door, a dust interception device, an anti-suck-back device and a flue ash removal device, wherein the lower end of the storage box is provided with a spiral feeder, a discharge port of the spiral feeder extends into the combustion furnace, the lower end of the spiral feeder is provided with the blower, an air supply pipe also extends into the combustion furnace, a flue is connected above the combustion furnace, a smoke chamber is connected between the flue and the flue, a dust intercepting device is arranged in the first smoke chamber, an ash feeding pipe is arranged below the flue gas cooling device, an anti-suck-back device is arranged in the ash feeding pipe, a flue dust cleaning device is arranged on the flue convection heating surface boiler tube bundle, an ash cleaning door convenient for dust cleaning is arranged at the second smoke chamber, the device can conveniently realize the operations of continuous feeding, dust interception and convection heating surface ash removal.
Description
Technical Field
The invention relates to the field of boiler equipment, in particular to a boiler with a convection heating surface convenient for ash removal.
Background
The biomass fuel is mainly agricultural and forestry waste such as straw, sawdust, bagasse, rice chaff and the like, the biomass fuel generates a large amount of dust and is easy to coke when being combusted in a boiler, the biomass fuel is deposited on the wall of a heating pipe or stacked between the outer walls of two heating pipes after the temperature is reduced, the thermal efficiency of the heating pipes is influenced, a flue gas channel is blocked seriously, the flue gas cannot be discharged, the ash removal of the boiler with a common structure is difficult, the normal operation of the boiler is influenced if the ash removal is not carried out in time, and the production benefit of enterprises is influenced.
Application number 201820762703.1 discloses a biomass boiler ash removal device, which comprises a chute frame, wherein at least one air blowing pipe is arranged on the chute frame, the left side of the air blowing pipe is vertically communicated with a plurality of ash removal pipes, the lower side of the air blowing pipe is communicated with an air inlet hose, the right side of the air blowing pipe is provided with a propulsion device, and the propulsion device is controlled by a PLC (programmable logic controller); the ash removal pipe comprises a transverse pipe part, an elbow pipe part and a vertical pipe part which are integrated, and an ash scraping plate is welded below the transverse pipe part. The utility model discloses a PLC control gear motor drives gear and rack timing motion to drive each deashing pipe reciprocating motion between each heating pipe, scrape the lime-ash on the heating pipe wall through the deashing board of welding in deashing pipe lower part, and blow off through the lime-ash that lets in compressed air in the deashing pipe will scrape down and the lime-ash between the heating pipe wall. This technical scheme lacks the structure and is more complicated, inconvenient to set up inside the boiler.
Application number is 201510048448.5 discloses a inner bag biomass boiler, including heat exchange stove, granule fuel cell, water tank, the pipe of discharging fume, heat exchange stove left side is equipped with the granule fuel cell, and the granule fuel cell is equipped with hopper, hopper lower part and is equipped with screw feeder, and screw feeder's discharge end stretches out outside the granule fuel cell and in heat exchange stove combustion chamber intercommunication, be equipped with three water tanks of group in the heat exchange stove from a left side to the right side, the bottom of three water tanks of group is equipped with the combustor respectively, and three spaces that three water tanks of group and bottom combustor enclose to form in the heat exchange stove are first combustion chamber, second combustion chamber, third combustion chamber respectively. The technical scheme can not effectively remove dust on the convection heating surface.
Disclosure of Invention
The invention aims to provide a boiler which is simple in structure, can effectively intercept partial dust and conveniently carries out ash removal on a convection heating surface.
The utility model provides a boiler of convenient deashing of convection heating surface, includes feed arrangement and boiler, its characterized in that: the feeding device comprises a storage box, a feeding hole is formed in the lower end of the storage box, a screw rod with the right side connected with a first motor is arranged at the lower end of the feeding hole, a discharging hole is formed in the lower end of the feeding hole, the discharging hole penetrates through the wall body and the furnace wall to be connected with a combustion furnace, a blower is arranged below the screw rod, and an air inlet pipe is arranged on the right side of the screw rod, penetrates through the wall body and the furnace wall to; the boiler comprises a combustion furnace, a fuel nozzle is connected to the furnace wall on the left side of the combustion furnace in a penetrating manner, an igniter is arranged at the right lower end of the combustion furnace, a filter plate is arranged at the lower end of the igniter and fixedly connected with the furnace wall, an ash falling plate is arranged at the lower end of the filter plate, an ash collecting drawer is arranged at the lower end of the ash falling plate, and an ash conveying pipe is arranged above the left side of the ash collecting drawer; the upper end of the combustion furnace is provided with a first flue, the left side of the first flue is provided with a first smoke chamber, the first smoke chamber is internally provided with a dust intercepting device, the dust intercepting device comprises two third motors arranged on the same plane of the two outer sides of the wall body, a plurality of boiler tube bundles arranged in a cross section perpendicular to the flow direction of flue gas and a wind resistance sensor arranged on the wall body inside the upper end, the third motor penetrates through the wall body through a first motor shaft and is connected with a first power wheel, a first chain belt is sleeved on the first power wheel, one side of the first chain belt is fixedly connected with a cross bar, a first rotating wheel is sleeved at the lower end of the first chain belt, the first rotating wheel is rotationally connected with a first rotating shaft, the first rotating shaft is fixedly connected with a wall body, the cross bar is fixedly connected with a plurality of ash scraping blocks, the ash scraping blocks are sleeved on the outer wall of the boiler tube bank, and two ends of the cross bar are in sliding connection with first sliding grooves formed in a wall body; the left side of the first smoke chamber is longitudinally and downwardly connected with a second smoke flue, a smoke flue dust removing device is arranged on the side face of the second smoke flue and comprises two fourth motors arranged on the same plane of the two outer sides of the wall body, the fourth motors penetrate through the wall body through second motor shafts and are connected with second power wheels, second chain belts are sleeved on the second power wheels, brush rods are fixedly connected with the second chain belts on one sides, second rotating wheels are sleeved at the lower ends of the second chain belts and are rotatably connected with second rotating shafts, the second rotating shafts are fixedly connected with the wall body, the brush rods are matched with the outer walls of the boiler tube bundles, and two ends of the brush rods are slidably connected with second sliding grooves formed in the wall body; the lower end of the second flue is connected with a second flue chamber, two first ash removing doors which penetrate through the front wall body are arranged on the second flue chamber, the side face of the second flue chamber is connected with the second ash removing door in a penetrating mode, the left side of the second flue chamber is longitudinally and upwards connected with a third flue, and the tail end of the third flue is connected with a smoke exhaust tube.
On the basis of the scheme, dust intercepting device below is equipped with and send the ash pipe, send to be equipped with in the ash pipe and prevent the suck-back device, prevent that the suck-back device includes the shell, be equipped with the second motor on the shell left wall, the second motor is connected with the hob, hob and gear engagement, the gear is articulated just with left side shell be equipped with the ash baffle of concentric fixed connection with it on the gear, ash baffle right-hand member downside is equipped with telescopic baffle, telescopic baffle runs through right side shell and is connected with telescopic motor via the telescopic link
On the basis of the scheme, the third motor, the first motor shaft, the first chain belt and the first rotating wheel are arranged in pairs and form the cigarette ash intercepting device together; the fourth motor, the second motor shaft, the second power wheel, the second chain belt and the second rotating wheel are all arranged in pairs to form a flue dust cleaning device together.
On the basis of the scheme, the contact side of the brush rod and the boiler tube bundle is of a semicircular sawtooth structure, and the diameter of the brush rod is the same as that of the boiler tube bundle.
On the basis of the scheme, the tail end of the discharge port is provided with a tempering protective cover.
On the basis of the scheme, a handle is arranged on the outer side of the ash collection drawer.
Has the advantages that:
1. the first smoke chamber is provided with a dust intercepting device, when smoke continuously passes through, dust is continuously accumulated outside a boiler tube bundle with a cross section arranged perpendicular to the flow direction of the smoke, the flow resistance of the smoke is increased, when the wind resistance reaches a certain threshold value, a wind resistance sensor transmits information, a third motor rotates up and down in a reciprocating mode to drive a first power wheel and a first chain belt, so that a transverse rod is driven and an ash scraping block reciprocates up and down, the scraped dust is finally conveyed to an ash collecting drawer through an ash conveying pipe, when the wind resistance falls below the threshold value, the transverse rod returns to the uppermost end position, and therefore reciprocation is achieved, and a dust intercepting effect is achieved.
2. The boiler tube bundle is provided with a flue dust cleaning device, when the flue convection heating surface needs to be cleaned, the fourth motor is started to drive the second power wheel, the second chain belt is driven, the brush rod is driven to reciprocate up and down, and the cleaning of dust on the convection heating surface is realized.
3. Send and be equipped with in the ash pipe and prevent suck-back device, when first smoke chamber windage exceeded the threshold value, windage sensor transmission information, flexible motor work pulls out telescopic baffle, second motor work makes the ash blocking plate rotate downwards through second screw rod and gear, when the windage falls to being less than the threshold value, the second motor reversal, make ash blocking plate upward movement through second screw rod and gear, telescopic baffle stretches into, only send the ash pipe to link up when having the dust to scrape with this realization, can effectively prevent to respond to the ash blocking plate both sides atmospheric pressure difference and the condition that the dust suck-back appears.
Drawings
FIG. 1 is an overall schematic view of a boiler with convection heating surfaces for easy ash removal
FIG. 2 is a schematic diagram of the overall results of a boiler with convection heating surfaces for easy ash removal
FIG. 3 is a schematic side view of the portion 5 in FIG. 2
FIG. 4 is a schematic structural view of part 4 of FIG. 2
FIG. 5 is a schematic view of the structure of portion 10 in FIG. 2
FIG. 6 is a schematic view of structure 1002 in FIG. 5
FIG. 7 is a schematic view of the structure of part A in FIG. 3
In the figure; 1-feeding device, 101-storage box, 102-feeding port, 103-first screw rod, 104-first motor, 105-discharging port, 106-blower, 107-air inlet pipe, 108-tempering protection cover, 2-combustion furnace, 201-ash falling plate, 202-ash collecting drawer, 203-ash feeding pipe, 204-igniter, 205-gas nozzle, 206-filter partition plate, 207-furnace wall, 3-wall body, 4-anti-suck-back device, 401-shell, 402-telescopic baffle, 403-telescopic rod, 404-telescopic motor, 406-second screw rod, 407-gear, 408-ash baffle, 409-second motor, 5-dust interception device, 501-first power wheel, 502-first motor shaft, 503-a third motor, 504-a cross bar, 505-a first chain belt, 506-a first rotating wheel, 507-an ash scraping block, 508-a wind resistance sensor, 509-a first chute, 510-a first rotating shaft, 6-a boiler tube bundle, 7-a first ash removing door, 8-a second ash removing door, 9-a smoke exhaust tube, 10-a flue ash removing device, 1001-a fourth motor, 1002-a brush rod, 1003-a second chain belt, 1004-a second rotating wheel, 1005-a second motor shaft, 1006-a second power wheel, 1007-a second chute, 1008-a second rotating shaft, 11-a first flue, 12-a first smoke chamber, 13-a second flue, 14-a second smoke chamber, 15-a third flue, 16-a boiler and 17-a handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The boiler with convection heating surface convenient for ash removal according to the embodiment of the invention is further described with reference to the attached drawings 1-6.
Example 1
A boiler with a convection heating surface convenient for ash removal comprises a feeding device 1 and a boiler 16, wherein the feeding device 1 comprises a storage box 101, the lower end of the storage box 101 is connected with a feeding hole 102, the lower end of the feeding hole 102 is provided with a first screw rod 103, the right side of which is connected with a first motor 104, the lower end of which is provided with a discharging hole 105, the discharging hole 105 penetrates through a wall body 3 and a furnace wall 207 to be connected with a combustion furnace 2, a blower 106 is arranged below the first screw rod 103, and the right side of which is provided with an air inlet pipe 107, the air inlet pipe penetrates through the wall body 3 and the furnace wall 207 to be connected with the; the fuel flows into the feeding hole 102 from the storage box 101, the first screw 103 is driven by the first motor 104 to rotate, the fuel is sent to the discharging hole 105, and finally flows into the combustion furnace, and automatic discharging can be realized.
The boiler 16 comprises a combustion furnace 2, a gas nozzle 205 is connected to a furnace wall 207 on the left side of the combustion furnace 2 in a penetrating manner, an igniter 204 is arranged at the right lower end of the furnace wall and used for igniting fuel, a filter plate 206 is arranged at the lower end of the igniter 204 and fixedly connected with the furnace wall 207, an ash falling plate 201 is arranged at the lower end of the filter plate 206, an ash collecting drawer 202 is arranged at the lower end of the ash falling plate 201, and an ash conveying pipe 203 is arranged above the left side of the ash collecting drawer 202; the ash residue left after the fuel is burnt falls into the ash collection drawer 202 through the filter partition plate 206, and can be directly drawn out when being filled, thereby being convenient for cleaning.
The upper end of the combustion furnace 2 is provided with a first flue 11, the left side of the first flue 11 is provided with a first smoke chamber 12, the first smoke chamber 12 is internally provided with a dust intercepting device 5, the dust intercepting device 5 comprises two third motors 503 arranged on the same plane of the two outer sides of a wall 3, a plurality of boiler tube bundles 6 arranged perpendicular to the cross section of the flow direction of flue gas and a wind resistance sensor 508 arranged on the inner wall 3 at the upper end, the third motors 503 penetrate through the wall 3 through first motor shafts 502 to be connected with first power wheels 501, first chain belts 505 are sleeved on the first power wheels 501, cross bars 504 are fixedly connected with the first chain belts 505 at one sides, first rotating wheels 506 are sleeved at the lower ends of the first chain belts 505, the first rotating wheels 506 are rotatably connected with first rotating shafts 510, the first rotating shafts 510 are fixedly connected with the wall 3, a plurality of dust scraping blocks 507 are fixedly connected to the cross bars 504, the ash scraping blocks 507 are all sleeved on the outer wall of the boiler tube bank 6, the two ends of the cross rod 504 are both in sliding connection with first sliding grooves 509 arranged on the wall body 3, an ash conveying pipe 203 is arranged below the dust intercepting device, and the tail end of the ash conveying pipe 203 is arranged above the ash collecting drawer 202. When smoke continuously passes through, dust is continuously accumulated outside the boiler tube bundle 6 with the cross section perpendicular to the smoke flowing direction, the smoke flowing resistance is increased, when the wind resistance reaches a certain threshold value, the wind resistance sensor 508 transmits information, the third motor 503 rotates forward and reversely to and fro to drive the first power wheel 501 and the first chain belt 505, so that the cross rod 504 is driven to reciprocate up and down along the first sliding groove 509, the dust scraping block 507 is driven to scrape up and down along the boiler tube bundle 6, the scraped dust is finally sent to the dust collecting drawer 202 through the dust sending pipe 203, the dust is scraped, the dust intercepting effect is achieved, and when the wind resistance is reduced to a value below, the cross rod 504 returns to the uppermost position.
Example 2
A boiler with convection heating surface for easy ash removal, as shown in fig. 1-7, the embodiment further illustrates example 1, a flue dust cleaning device 10 is arranged on the side surface of the second flue 13, the flue dust cleaning device 10 comprises two fourth motors 1001 arranged on the same plane of the two outer sides of the wall 3, the fourth motor 1001 penetrates the wall 3 through a second motor shaft 1005 and is connected with a second power wheel 1006, a second chain belt 1003 is sleeved on the second power wheel 1006, a brush bar 1002 is fixedly connected with one side of the second chain belt 1003, the lower end of the second chain belt 1003 is sleeved with a second rotating wheel 1004, the second rotating wheel 1004 is rotatably connected with a second rotating shaft 1008, the second rotating shaft 1008 is fixedly connected with the wall 3, the brush bar 1002 is fit with the outer wall of the boiler tube bank 6, both ends of the brush rod 1002 are slidably connected with a second chute 1007 arranged on the wall 3. It should be noted that the above-mentioned devices are disposed on the second flue 13, the third flue 15 and other convection heating surfaces, and only some of them will be described here. When the dust on the convection heating surface of the flue needs to be cleaned, the fourth motor 1001 is started to drive the second power wheel 1006 to reciprocate forward and backward, the second chain belt 1003 is driven, the brush rod 1002 is driven to reciprocate up and down, and the dust on the convection heating surface is cleaned.
Example 3
1-7, this embodiment further describes example 1, an anti-suck-back device 4 is disposed in the ash feeding pipe 203, the anti-suck-back device 4 includes a housing 401, a second motor 409 is disposed on a left wall of the housing 401, the second motor 409 is connected to a second screw rod 406, the second screw rod 406 is engaged with a gear 407, the gear 407 is hinged to the left housing 401, an ash blocking plate 408 concentrically and fixedly connected to the gear 407 is disposed on the gear 407, a telescopic baffle 402 is disposed on a lower side of a right end of the ash blocking plate 408, and the telescopic baffle 402 penetrates through the right housing 401 via a telescopic rod and is connected to the telescopic motor 404. The working principle is as follows: when the wind resistance of the first smoke chamber 12 exceeds a threshold value, the wind resistance sensor 508 transmits information, the telescopic motor 404 works to pull out the telescopic baffle 402, and the second motor 409 works to enable the ash baffle 408 to rotate downwards through the second screw and the gear 407; when the wind resistance drops below the threshold value, the second motor 409 rotates in the reverse direction, the second screw and the gear 407 move the dust baffle 408 upwards, and the retractable baffle 402 extends into the dust baffle.
Example 4
A boiler with convection heating surface for easy ash removal, as shown in fig. 1-7, which is further described in the embodiment of example 1, a backfire protection cover 108 is disposed at the end of the discharge port 105 to prevent the flame in the combustion furnace 2 from entering the discharge port 105.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a boiler of convenient deashing of convection heating surface, includes feed arrangement and boiler, its characterized in that: the feeding device comprises a storage box, a feeding hole is formed in the lower end of the storage box, a screw rod with the right side connected with a first motor is arranged at the lower end of the feeding hole, a discharging hole is formed in the lower end of the feeding hole, the discharging hole penetrates through the wall body and the furnace wall to be connected with a combustion furnace, a blower is arranged below the screw rod, and an air inlet pipe is arranged on the right side of the screw rod, penetrates through the wall body and the furnace wall to; the boiler comprises a combustion furnace, a fuel nozzle is connected to the furnace wall on the left side of the combustion furnace in a penetrating manner, an igniter is arranged at the right lower end of the combustion furnace, a filter plate is arranged at the lower end of the igniter and fixedly connected with the furnace wall, an ash falling plate is arranged at the lower end of the filter plate, an ash collecting drawer is arranged at the lower end of the ash falling plate, and an ash conveying pipe is arranged above the left side of the ash collecting drawer; the upper end of the combustion furnace is provided with a first flue, the left side of the first flue is provided with a first smoke chamber, the first smoke chamber is internally provided with a dust intercepting device, the dust intercepting device comprises two third motors arranged on the same plane of the two outer sides of the wall body, a plurality of boiler tube bundles arranged in a cross section perpendicular to the flow direction of flue gas and a wind resistance sensor arranged on the wall body inside the upper end, the third motor penetrates through the wall body through a first motor shaft and is connected with a first power wheel, a first chain belt is sleeved on the first power wheel, one side of the first chain belt is fixedly connected with a cross bar, a first rotating wheel is sleeved at the lower end of the first chain belt, the first rotating wheel is rotationally connected with a first rotating shaft, the first rotating shaft is fixedly connected with a wall body, the cross bar is fixedly connected with a plurality of ash scraping blocks, the ash scraping blocks are sleeved on the outer wall of the boiler tube bank, and two ends of the cross bar are in sliding connection with first sliding grooves formed in a wall body; the left side of the first smoke chamber is longitudinally and downwardly connected with a second smoke flue, a smoke flue dust removing device is arranged on the side face of the second smoke flue and comprises two fourth motors arranged on the same plane of the two outer sides of the wall body, the fourth motors penetrate through the wall body through second motor shafts and are connected with second power wheels, second chain belts are sleeved on the second power wheels, brush rods are fixedly connected with the second chain belts on one sides, second rotating wheels are sleeved at the lower ends of the second chain belts and are rotatably connected with second rotating shafts, the second rotating shafts are fixedly connected with the wall body, the brush rods are matched with the outer walls of the boiler tube bundles, and two ends of the brush rods are slidably connected with second sliding grooves formed in the wall body; the lower end of the second flue is connected with a second flue chamber, two first ash removing doors which penetrate through the front wall body are arranged on the second flue chamber, the side face of the second flue chamber is connected with the second ash removing door in a penetrating mode, the left side of the second flue chamber is longitudinally and upwards connected with a third flue, and the tail end of the third flue is connected with a smoke exhaust tube.
2. The boiler with the convection heating surface convenient for ash removal as claimed in claim 1, wherein: dust intercepting device below is equipped with send the ash pipe, send to be equipped with in the ash pipe and prevent suck-back device, prevent suck-back device and include the shell, be equipped with the second motor on the shell left wall, the second motor is connected with the hob, hob and gear engagement, the gear is articulated just with left side shell be equipped with the ash blocking plate with it concentric fixed connection on the gear, ash blocking plate right-hand member downside is equipped with telescopic baffle, telescopic baffle runs through the right side shell via the telescopic link and is connected with telescopic motor.
3. The boiler with the convection heating surface convenient for ash removal as claimed in claim 1, wherein: the third motor, the first motor shaft, the first chain belt and the first rotating wheel are arranged in pairs and form the cigarette ash intercepting device together; the fourth motor, the second motor shaft, the second power wheel, the second chain belt and the second rotating wheel are arranged in pairs to form the flue dust cleaning device together.
4. The boiler with the convection heating surface convenient for ash removal as claimed in claim 1, wherein: the contact side of the brush rod and the boiler tube bundle is of a semicircular sawtooth structure, and the diameter of the brush rod is the same as that of the boiler tube bundle.
5. The boiler with the convection heating surface convenient for ash removal as claimed in claim 1, wherein: the tail end of the discharge port is provided with a tempering protective cover.
6. The boiler with the convection heating surface convenient for ash removal as claimed in claim 1, wherein: the outer side of the dust collection drawer is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010992155.3A CN112128784A (en) | 2020-09-21 | 2020-09-21 | Boiler with convection heating surface convenient for ash removal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010992155.3A CN112128784A (en) | 2020-09-21 | 2020-09-21 | Boiler with convection heating surface convenient for ash removal |
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| Publication Number | Publication Date |
|---|---|
| CN112128784A true CN112128784A (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010992155.3A Pending CN112128784A (en) | 2020-09-21 | 2020-09-21 | Boiler with convection heating surface convenient for ash removal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116518396A (en) * | 2023-05-10 | 2023-08-01 | 扬州正宇锅炉有限公司 | Large-scale biomass semi-gasification module assembled water pipe boiler |
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|---|---|---|---|---|
| CN102644930A (en) * | 2012-05-23 | 2012-08-22 | 浙江富春江环保热电股份有限公司 | Deashing device and method for waste incineration boiler and biomass boiler |
| CN103471120A (en) * | 2013-09-06 | 2013-12-25 | 昆山市利昆机电设备有限公司 | Ash removing transmission mechanism of waste heat boiler |
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| CN111351018A (en) * | 2020-04-10 | 2020-06-30 | 福建永恒能源管理有限公司 | Gas and powder fuel dual-purpose boiler with front-section O-shaped horizontal and rear-section vertical hearths |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116518396A (en) * | 2023-05-10 | 2023-08-01 | 扬州正宇锅炉有限公司 | Large-scale biomass semi-gasification module assembled water pipe boiler |
| CN116518396B (en) * | 2023-05-10 | 2024-01-19 | 扬州正宇锅炉有限公司 | Large-scale biomass semi-gasification module assembled water pipe boiler |
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Application publication date: 20201225 |
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