CN117722675A - Boiler ash cleaning method based on circulating fluidized bed - Google Patents
Boiler ash cleaning method based on circulating fluidized bed Download PDFInfo
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- CN117722675A CN117722675A CN202410035299.8A CN202410035299A CN117722675A CN 117722675 A CN117722675 A CN 117722675A CN 202410035299 A CN202410035299 A CN 202410035299A CN 117722675 A CN117722675 A CN 117722675A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000004140 cleaning Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 47
- 239000010883 coal ash Substances 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 239000003245 coal Substances 0.000 claims abstract description 36
- 239000002956 ash Substances 0.000 claims abstract description 32
- 239000002893 slag Substances 0.000 claims abstract description 28
- 239000003818 cinder Substances 0.000 claims abstract description 26
- 238000007599 discharging Methods 0.000 claims abstract description 17
- 238000007790 scraping Methods 0.000 claims abstract description 11
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 238000004939 coking Methods 0.000 claims description 3
- 238000003915 air pollution Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention discloses a boiler ash cleaning method based on a circulating fluidized bed, which specifically comprises the following steps: s1, placing coal on the top surfaces of the rotating rollers and burning, wherein coal slag and coal ash generated during burning fall on a material receiving frame through a gap between the two rotating rollers, and the coal ash falls into the material receiving frame through a filter plate to be collected, and the residual coal slag is left on the top surfaces of the filter plates; s2, scraping the coal ash in the material receiving frame to the inside of the collecting box through the ash discharging and collecting mechanism, and the invention relates to the technical field of circulating fluidized beds. This boiler ash cleaning method based on circulating fluidized bed through receiving the setting of material frame, filter and ash discharge collection mechanism, can realize the quick separation of cinder and coal ash, and the categorised recycling of follow-up two of being convenient for to can strike off the collection processing with the coal ash that drops to receiving the inside of material frame, liberate both hands, utilize spraying mechanism to carry out the dust fall to the coal ash when the coal ash whereabouts, reduce the air pollution that the coal ash caused.
Description
Technical Field
The invention relates to the technical field of circulating fluidized beds, in particular to a boiler ash cleaning method based on a circulating fluidized bed.
Background
The circulating fluidized bed boiler adopts fluidized combustion, is clean coal combustion technology with highest industrialization degree, and generally comprises a fluidized bed combustion chamber (hearth), a circulating ash separator, a fly ash returning device, a tail heating surface, auxiliary equipment and the like.
At present, coal combustion is mostly adopted as a heat source for the fluidized bed boiler, more coal slag and coal ash are generated during coal combustion, and because the coal slag and the coal ash have different physicochemical characteristics, the treatment and utilization modes of the coal slag and the coal ash are also different, the coal slag and the coal ash are collected in a unified emission mode, and are screened out later, so that the coal slag and the coal ash are difficult to separate quickly when being blanked, the efficiency of classification treatment is reduced, and a leakage hole is usually formed in a combustion plate for placing the coal in the boiler and is used for discharging the coal slag and the coal ash, and part of the coal slag is easy to block the leakage hole, so that normal discharging and air circulation are influenced, and the combustion efficiency of the coal is further reduced.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a boiler ash cleaning method based on a circulating fluidized bed, which solves the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: a boiler ash cleaning method based on a circulating fluidized bed specifically comprises the following steps:
s1, placing coal on the top surfaces of the rotating rollers and burning, wherein coal slag and coal ash generated during burning fall on a material receiving frame through a gap between the two rotating rollers, and the coal ash falls into the material receiving frame through a filter plate to be collected, and the residual coal slag is left on the top surfaces of the filter plates;
s2, scraping the coal ash in the material receiving frame to the inside of the collection box through an ash discharge collection mechanism, and carrying out dust fall through a spraying mechanism in the coal ash scraping process;
s3, controlling the two receiving frames to deviate from and move along the inner wall of the furnace body through the driving piece, and cleaning and discharging coal cinder left on the top surface of the filter plate to the inside of the collecting box through the second steel wire brush in the moving process.
S4, driving the rotating rollers to rotate through the control part, discharging residual cinder on the top surface of the rotating rollers through gaps between two adjacent rotating rollers, crushing the cinder through the crushing knife, and scraping the surface coking cinder through the scraper in the rotating process of the rotating rollers.
Preferably, the furnace comprises a furnace body, the filter is fixed to be set up in receiving the top surface that the material frame is located the furnace body inside, ash discharge collection mechanism is including sliding to set up in receiving the fly leaf and collecting box of material frame inside, and the fixed first wire brush that is provided with in top surface of fly leaf, the fixed strip that scrapes that is provided with in bottom of fly leaf, the surface that connects the material frame is provided with the mobile part that is used for driving the fly leaf and controls the removal.
Preferably, the movable part comprises a first motor fixedly arranged on one side of the top surface of the material receiving frame through a mounting plate, one end of an output shaft of the first motor is fixedly connected with a screw rod through a coupling, a T-shaped plate is connected with the surface of the screw rod in a threaded manner, a guide rod is fixedly arranged on one side of the T-shaped plate, which is close to the material receiving frame, one end of the guide rod penetrates through the material receiving frame and is fixedly connected with one side of the movable plate, and a sealing door is fixedly arranged on the surface of the guide rod and positioned on one side of the material receiving frame.
Preferably, the inside of furnace body is provided with scarfing cinder collection mechanism, and scarfing cinder collection mechanism includes driving piece and activity setting in the collection box that connects the material frame bottom, the driving piece is used for driving two material frames and slides along the inner wall of furnace body, the inside both sides of furnace body and the top surface that is located the filter are all fixed and are provided with the second wire brush.
Preferably, the driving piece includes the second motor that all slides through the L shaped plate and set up in the furnace body both sides, the both sides of furnace body all slide and be provided with the slip frame, the one end of second motor output shaft passes through the front rotation setting of shaft coupling and slip frame, and the fixed surface of shaft coupling is provided with the gear, the both sides of furnace body are all fixed to be provided with the tooth with gear engaged with, the inside of slip frame is provided with the diagonal bar through rotating the cover rotation, and the bottom of diagonal bar is through one side rotation setting of movable sleeve and mounting panel.
Preferably, the inside of furnace body and the top that is located the material receiving frame are fixed and are provided with fixed frame, and the surface of fixed frame is provided with the bin outlet mechanism, the bin outlet mechanism is including setting up in inside live-rollers and the control portion of fixed frame, and the control portion is used for controlling the live-rollers and rotates, the bottom of fixed frame is fixedly provided with the scraper through the U-shaped board, adjacent two fixedly be provided with a plurality of crushing sword between the U-shaped board.
Preferably, the control part comprises an electric push rod fixedly arranged on the front surface of the furnace body through a connecting plate, a driving rod penetrating through the front surface of the rotating roller is fixedly arranged on the front surface of the furnace body, a transmission gear is fixedly arranged on the surface of the driving rod, a toothed plate meshed with the transmission gear is slidingly arranged on the front surface of the furnace body, and the extending end of the electric push rod is fixedly connected with the bottom of the toothed plate through a supporting plate.
Preferably, the spraying mechanism comprises an L-shaped supporting frame arranged at the bottom of the collecting box, a water diversion pipe is arranged at the top of one side of the L-shaped supporting frame, one side of the surface of the water diversion pipe is communicated with a plurality of atomizing spray heads, and the other side of the surface of the water diversion pipe is communicated with a water inlet pipe.
(III) beneficial effects
The invention provides a boiler ash cleaning method based on a circulating fluidized bed. The beneficial effects are as follows:
(1) According to the boiler ash cleaning method based on the circulating fluidized bed, through the arrangement of the material receiving frame, the filter plate and the ash discharging and collecting mechanism, quick separation of coal cinder and coal ash can be realized, the coal ash falling into the material receiving frame can be conveniently classified, recycled and collected, hands are liberated, dust is reduced by utilizing the spraying mechanism when the coal ash falls, air pollution caused by the coal ash is reduced, and labor force is also reduced.
(2) According to the boiler ash cleaning method based on the circulating fluidized bed, through the arrangement of the slag removal collecting mechanism, the coal slag with the coal ash filtered can be automatically discharged and collected, and the top surface of the filter plate is cleaned through the second steel wire brush in the discharging process, so that the coal slag is thoroughly discharged, and the effect of dredging the filter plate is achieved.
(3) According to the boiler ash cleaning method based on the circulating fluidized bed, through the arrangement of the discharging mechanism, coal slag clamped between the two rotating rollers can be extruded and discharged, the problem that the coal slag is blocked inside a gap to influence material falling and air circulation is avoided, the subsequent combustion efficiency is improved, the coal slag can be crushed when falling, and the crushing time is shortened for the recycling work of the subsequent coal slag.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a sectional view showing the internal structure of the furnace body of the present invention;
FIG. 3 is a partial schematic view of the ash collection mechanism and the slag removal collection mechanism of the present invention;
FIG. 4 is a partial schematic view of a discharge mechanism according to the present invention;
fig. 5 is a schematic view of the structure of the doctor blade and the crushing blade of the present invention.
In the figure: 1. a furnace body; 2. a material receiving frame; 3. a filter plate; 4. an ash discharge collection mechanism; 41. a movable plate; 42. a collection box; 43. a first wire brush; 44. scraping the strip; 45. a first motor; 46. a screw rod; 47. a T-shaped plate; 48. a guide rod; 49. sealing the door; 5. a slag removal and collection mechanism; 51. a collection box; 52. a second wire brush; 53. a sliding frame; 54. a second motor; 55. a gear; 56. a diagonal rod; 6. a fixed frame; 7. a discharging mechanism; 71. a rotating roller; 72. a scraper; 73. a crushing knife; 74. an electric push rod; 75. a tooth-shaped plate; 76. a transmission gear; 8. a spraying mechanism; 81. a water diversion pipe; 82. and (5) atomizing and spraying.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 to 3, the present invention provides a technical solution, and the specific improvement is as follows:
the utility model provides a boiler ash cleaning method based on circulating fluidized bed, including furnace body 1, filter 3 is fixed to be set up in the top surface that connects material frame 2 to be located the inside of furnace body 1, ash collection mechanism 4 includes the fly leaf 41 and the collection box 42 that slide set up in connecing material frame 2 inside, collection box 42 activity sets up in the top surface of L shape support frame, and the top surface of fly leaf 41 is fixed to be provided with first wire brush 43, the top surface of first wire brush 43 contacts with the bottom surface of filter 3, the bottom of fly leaf 41 is fixed to be provided with scrapes strip 44, connect the surface of material frame 2 to be provided with the mobile part that is used for driving fly leaf 41 to control, the mobile part includes through the fixed first motor 45 that sets up in connecing material frame 2 top surface one side of mounting panel, the one end of first motor 45 output shaft is through shaft coupling fixedly connected with lead screw 46, and the surface threaded connection of lead screw 46 has T shaped plate 47, one side that is close to connecing material frame 2 is fixed with guide bar 48, and one end of guide bar 48 is worn through connecing material frame 2 and with one side of fly leaf 41 fixedly connected with, the guide bar 48 is provided with the guide bar 48, two guide bar 48 are located the sealing gate 48 and are located the sealing gate surface that is used for preventing that two sealing gate surfaces are located the sealing gate surface is located 2 to overflow;
cinder and coal ash all drop at the top surface of filter 3, the coal ash then is filtered to the inside of receiving frame 2 through the through-hole on the filter 3, collect the coal ash through receiving frame 2, when need clear up the coal ash after once burning work is finished, then start first motor 45, make first motor 45 drive lead screw 46 and rotate, lead screw 46 then drive T shaped plate 47 along its removal, T shaped plate 47 then drive movable plate 41 through guide bar 48 and remove to the direction of collecting box 42, sealing door 49, first wire brush 43 and scrape strip 44 then synchronous motion, sealing door 49 opens this moment, and T shaped plate 47 is continuous to remove along lead screw 46, first wire brush 43 can clean the residual coal ash of filter 3 bottom surface, scrape strip 44 and movable plate 41 then together discharge the inside of collecting box 42 to the inside of receiving frame 2, the collection of coal ash is handled to the follow-up.
Example two
On the basis of the first embodiment, please refer to fig. 1 to 3, the specific improvements are as follows:
the inside of the furnace body 1 is provided with a slag removal and collection mechanism 5, the slag removal and collection mechanism 5 comprises driving pieces and a collection box 51 movably arranged at the bottom of the material receiving frame 2, two sides of the inside of the furnace body 1 and the top surface of the filter plate 3 are fixedly provided with second steel wire brushes 52, the bottom surfaces of the second steel wire brushes 52 are contacted with the top of the filter plate 3, the driving pieces are used for driving the two material receiving frames 2 to slide along the inner wall of the furnace body 1, the driving pieces comprise second motors 54 which are all arranged at two sides of the furnace body 1 in a sliding manner through L-shaped plates, two sides of the furnace body 1 are all provided with sliding frames 53 in a sliding manner, the sliding frames 53 are arranged on the surface of the furnace body 1 in a sliding manner through lugs, one end of an output shaft of each second motor 54 is rotatably arranged on the front surface of the sliding frame 53 through a coupling, a gear 55 is fixedly arranged on the surface of each coupling, two sides of the furnace body 1 are fixedly provided with teeth meshed with the gear 55, the inside of the sliding frame 53 is rotatably provided with a diagonal rod 56 through a rotating sleeve, and the bottom end of the diagonal rod 56 is rotatably arranged on one side of a mounting plate through a movable sleeve;
after the coal ash is collected and processed, the second motor 54 is started, the second motor 54 drives the gear 55 to rotate, the gear 55 can rotate and move downwards simultaneously due to the mutual meshing of the gear 55 and teeth, at the moment, the second motor 54 and the sliding frame 53 synchronously move downwards, the material receiving frames 2 can be driven by the mounting plates to slide along the inner wall of the furnace body 1 through the rotation arrangement of the two ends of the inclined rods 56, at the moment, the two material receiving frames 2 deviate from and slide along the inner wall of the furnace body 1, and the coal slag left on the filter plate 3 can be cleaned and falls into the collecting box 51 through the arrangement of the second steel wire brush 52, so that the coal slag is conveniently collected.
Example III
On the basis of the second embodiment, please refer to fig. 1, 2 and 4 and 5, the specific improvements are as follows:
the inside of the furnace body 1 and above the receiving frame 2 are fixedly provided with a fixed frame 6, the surface of the fixed frame 6 is provided with a discharging mechanism 7, the discharging mechanism 7 comprises a rotating roller 71 arranged inside the fixed frame 6 and a control part, the control part is used for controlling the rotating roller 71 to rotate, the control part comprises an electric push rod 74 fixedly arranged on the front face of the furnace body 1 through a connecting plate, the front face of the rotating roller 71 is fixedly provided with a driving rod penetrating through the front face of the furnace body 1, the surface of the driving rod is fixedly provided with a transmission gear 76, the front face of the furnace body 1 is slidably provided with a toothed plate 75 meshed with the transmission gear 76, the extending end of the electric push rod 74 is fixedly connected with the bottom of the toothed plate 75 through a supporting plate, the bottom of the fixed frame 6 is fixedly provided with a plurality of scrapers 72 through U-shaped plates, the scrapers 72 are arranged right below the rotating roller 71, and a plurality of crushing cutters 73 are fixedly arranged between two adjacent U-shaped plates;
when cinder is clamped in the gap between the two rotating rollers 71, the electric push rod 74 is started, the protruding end of the electric push rod 74 drives the toothed plate 75 to move left and right through the supporting plate, the gear 55 meshed with the toothed plate 75 drives the rotating rollers 71 to rotate left and right through the driving rod, cinder clamped in the gap can be cleaned out, and the cinder can be crushed when passing through the crushing cutter 73, so that the cinder can be conveniently reused, and when the rotating rollers 71 are contacted with the scraper 72, cinder coked on the surface of the cinder can be cleaned, and the phenomenon of blocking of the cinder is reduced.
Example IV
On the basis of the third embodiment, please refer to fig. 1 and 2, the specific improvement is as follows:
the spraying mechanism 8 comprises an L-shaped supporting frame arranged at the bottom of the collecting box 42, a water diversion pipe 81 is arranged at the top of one side of the L-shaped supporting frame, one side of the surface of the water diversion pipe 81 is communicated with a plurality of atomizing nozzles 82, the other side of the surface of the water diversion pipe 81 is communicated with a water inlet pipe, and the water inlet pipe is communicated with an external water source;
in the process of collecting the coal ash, an external water source is conveyed to the inside of the water diversion pipe 81 through the water inlet pipe, and then the water is atomized and sprayed out through the atomizing nozzle 82 by the water diversion pipe 81, so that the dust settling effect can be achieved in the process of collecting the coal ash.
Example five
On the basis of the fourth embodiment, please refer to fig. 1 to 5, the specific modifications are as follows:
a boiler ash cleaning method based on a circulating fluidized bed specifically comprises the following steps:
s1, placing coal on the top surfaces of the rotating rollers 71 and burning, wherein coal slag and coal ash generated during burning fall on the material receiving frame 2 through gaps between the two rotating rollers 71, the coal ash falls into the material receiving frame 2 through the filter plates 3 to be collected, and the residual coal slag is left on the top surfaces of the filter plates 3;
s2, scraping the coal ash in the material receiving frame 2 to the inside of the collecting box 42 through the ash discharge collecting mechanism 4, and carrying out dust fall through the spraying mechanism 8 in the coal ash scraping process;
s3, controlling the two receiving frames 2 to move along the inner wall of the furnace body 1 in a deviating mode through the driving piece, and cleaning and discharging coal cinder left on the top surface of the filter plate 3 to the inside of the collecting box 51 through the second steel wire brush 52 in the moving process.
And S4, driving the rotating rollers 71 to rotate through the control part, discharging the residual cinder on the top surface of the rotating rollers through gaps between two adjacent rotating rollers 71, crushing the cinder through the crushing knife 73, and scraping off the surface coking cinder through the scraper 72 in the rotating process of the rotating rollers 71.
And all that is not described in detail in this specification is well known to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A boiler ash cleaning method based on a circulating fluidized bed is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, placing coal on the top surfaces of rotating rollers (71) and burning, wherein coal slag and coal ash generated during burning fall on a material receiving frame (2) through gaps between the two rotating rollers (71), and the coal ash falls into the material receiving frame (2) through a filter plate (3) to be collected, and the residual coal slag is left on the top surfaces of the filter plates (3);
s2, scraping the coal ash in the material receiving frame (2) to the inside of the collection box (42) through the ash discharge collection mechanism (4), and carrying out dust fall through the spraying mechanism (8) in the coal ash scraping process;
s3, controlling the two receiving frames (2) to deviate from and move along the inner wall of the furnace body (1) through the driving piece, and cleaning and discharging coal cinder left on the top surface of the filter plate (3) to the inside of the collecting box (51) through the second steel wire brush (52) in the moving process.
S4, driving the rotating rollers (71) to rotate through the control part, discharging the residual cinder on the top surface of the rotating rollers through gaps between two adjacent rotating rollers (71), crushing the cinder through the crushing knife (73), and scraping off the surface coking cinder through the scraper (72) in the rotating process of the rotating rollers (71).
2. The circulating fluidized bed-based boiler ash cleaning method of claim 1, characterized in that: including furnace body (1), filter (3) are fixed to be set up in receiving material frame (2) and are located the inside top surface of furnace body (1), ash collection mechanism (4) are including sliding movable plate (41) and collection box (42) that set up in receiving material frame (2) inside, and the fixed first wire brush (43) that is provided with in top surface of movable plate (41), the fixed strip (44) that scrapes that is provided with in bottom of movable plate (41), the surface of receiving material frame (2) is provided with the mobile part that is used for driving movable plate (41) left and right movement.
3. The circulating fluidized bed-based boiler ash cleaning method according to claim 2, characterized in that: the movable part comprises a first motor (45) fixedly arranged on one side of the top surface of the material receiving frame (2) through a mounting plate, one end of an output shaft of the first motor (45) is fixedly connected with a screw rod (46) through a coupling, the surface of the screw rod (46) is in threaded connection with a T-shaped plate (47), one side of the T-shaped plate (47) close to the material receiving frame (2) is fixedly provided with a guide rod (48), one end of the guide rod (48) penetrates through the material receiving frame (2) and is fixedly connected with one side of the movable plate (41), and a sealing door (49) is fixedly arranged on the surface of the guide rod (48) and located on one side of the material receiving frame (2).
4. The circulating fluidized bed-based boiler ash cleaning method according to claim 2, characterized in that: the inside of furnace body (1) is provided with scarfing cinder collection mechanism (5), and scarfing cinder collection mechanism (5) are including driving piece and activity setting in collection box (51) of receiving material frame (2) bottom, the driving piece is used for driving two receiving material frames (2) and slides along the inner wall of furnace body (1), the inside both sides of furnace body (1) just are located the top surface of filter (3) and all fixedly are provided with second wire brush (52).
5. The circulating fluidized bed-based boiler ash cleaning method of claim 4, characterized in that: the driving piece is including all sliding second motor (54) that set up in furnace body (1) both sides through the L shaped plate, the both sides of furnace body (1) all slide and are provided with sliding frame (53), the one end of second motor (54) output shaft passes through the front rotation setting of shaft coupling and sliding frame (53), and the fixed surface of shaft coupling is provided with gear (55), the both sides of furnace body (1) are all fixed be provided with gear (55) engaged with tooth, the inside of sliding frame (53) is provided with down tube (56) through rotating the cover rotation, and the bottom of down tube (56) is through one side rotation setting of movable sleeve and mounting panel.
6. The circulating fluidized bed-based boiler ash cleaning method according to claim 2, characterized in that: the inside of furnace body (1) and be located the top of receiving frame (2) and fixedly be provided with fixed frame (6), and the surface of fixed frame (6) is provided with bin discharging mechanism (7), bin discharging mechanism (7) are including setting up in inside rotor (71) of fixed frame (6) and control portion, and control portion is used for controlling rotor (71) and rotates, the bottom of fixed frame (6) is fixedly provided with scraper (72) through the U-shaped board, adjacent two fixedly be provided with a plurality of crushing sword (73) between the U-shaped board.
7. The circulating fluidized bed-based boiler ash cleaning method of claim 6, characterized in that: the control part comprises an electric push rod (74) which is fixedly arranged on the front face of the furnace body (1) through a connecting plate, a driving rod which penetrates through the front face of the furnace body (1) is fixedly arranged on the front face of the rotating roller (71), a transmission gear (76) is fixedly arranged on the surface of the driving rod, a toothed plate (75) meshed with the transmission gear (76) is slidably arranged on the front face of the furnace body (1), and the extending end of the electric push rod (74) is fixedly connected with the bottom of the toothed plate (75) through a supporting plate.
8. The circulating fluidized bed-based boiler ash cleaning method according to claim 2, characterized in that: the spraying mechanism (8) comprises an L-shaped supporting frame arranged at the bottom of the collecting box (42), a water diversion pipe (81) is arranged at the top of one side of the L-shaped supporting frame, one side of the surface of the water diversion pipe (81) is communicated with a plurality of atomizing nozzles (82), and the other side of the surface of the water diversion pipe (81) is communicated with a water inlet pipe.
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| CN202410035299.8A CN117722675B (en) | 2024-01-10 | 2024-01-10 | Boiler ash cleaning method based on circulating fluidized bed |
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