CN113719832A - Combustion device of circulating fluidized bed boiler - Google Patents
Combustion device of circulating fluidized bed boiler Download PDFInfo
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- CN113719832A CN113719832A CN202111046620.5A CN202111046620A CN113719832A CN 113719832 A CN113719832 A CN 113719832A CN 202111046620 A CN202111046620 A CN 202111046620A CN 113719832 A CN113719832 A CN 113719832A
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- furnace body
- tuber pipe
- cloth tuber
- pipe
- air distribution
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- 238000002485 combustion reaction Methods 0.000 title claims description 20
- 239000004744 fabric Substances 0.000 claims abstract description 53
- 239000013049 sediment Substances 0.000 claims abstract description 14
- 230000001360 synchronised effect Effects 0.000 claims abstract description 12
- 239000002893 slag Substances 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 6
- 239000003818 cinder Substances 0.000 abstract description 37
- 230000005484 gravity Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 239000003245 coal Substances 0.000 description 20
- 239000000446 fuel Substances 0.000 description 11
- 239000010883 coal ash Substances 0.000 description 4
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
- B02C13/06—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/20—Disintegrating by mills having rotary beater elements ; Hammer mills with two or more co-operating rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/30—Driving mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/20—Inlets for fluidisation air, e.g. grids; Bottoms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2206/00—Fluidised bed combustion
- F23C2206/10—Circulating fluidised bed
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The utility model relates to a circulating fluidized bed boiler burner relates to the fluidized bed boiler field, and it includes the furnace body, and the tip has set firmly the sediment fill under the furnace body, and tip is equipped with a plurality of cloth tuber pipes that are parallel to each other along the horizontal direction under the furnace body, and the cloth tuber pipe all is rectangular plate-like, and a plurality of exhaust outlets have all been seted up along its length direction to the cloth tuber pipe, and the both ends of cloth tuber pipe all rotate with the furnace body to be connected and extend to outside the furnace body, and the furnace body is equipped with the synchronous pivoted drive arrangement of all cloth tuber pipes of drive. User control drive arrangement drives all cloth tuber pipes and rotates in step, and rectangular plate-shaped cloth tuber pipe is rotated to the in-process of vertical state by the horizontality, and the interval between the adjacent cloth tuber pipe grow gradually, and incombustibles such as large size cinder slide to the sediment fill under the action of gravity in, the interval between the adjustable cloth tuber pipe of this application has the effect of the big volume cinder of being convenient for in time clear up the furnace.
Description
Technical Field
The invention relates to the field of fluidized bed boilers, in particular to a circulating fluidized bed boiler combustion device.
Background
The circulating fluidized bed boiler adopts fluidized combustion, is widely applied to the industry and the power station power generation industry at present, and compared with the old thermal power generation boiler, the fuel in the circulating fluidized bed boiler is subjected to multiple circulating combustion, so that the combustion efficiency is higher, and the adaptability to different fuels is higher.
The existing circulating fluidized bed boiler generally adopts devices such as a crusher to crush fuels such as coal and then convey the crushed fuels into a hearth of the boiler, so that the coal is fluidized and suspended in the hearth under the action of wind power of a wind distribution pipe at the lower end part of the hearth, two ends of the wind distribution pipe are generally and directly fixed on the inner wall of the hearth, in order to ensure that enough wind quantity is timely introduced into different positions of the hearth, a plurality of wind distribution pipes are generally arranged along the cross section of the hearth, the distance between the wind distribution pipes is small, and coal ash and coal cinder falling on the wind distribution pipes are timely discharged by a slag discharge pipe at the wind distribution pipe.
The inventor thinks that when the breaker breaks down and leads to the broken degree not enough to coal, or when the comparatively moist coal that leads to broken coal takes place the caking at the in-process of carrying to the boiler, above-mentioned multiple situation leads to the coal that partly is greater than air distribution pipe interval to get into furnace easily, this part coal burns the back and forms the great cinder of volume, be difficult to by the scum pipe discharge, influence the air-out of air distribution pipe easily, lead to scum pipe jam even easily, in case this kind of problem appears at present, must shut down and clear up the furnace inside, the clearance process is very inconvenient.
Disclosure of Invention
In order to facilitate timely cleaning of large-volume coal cinder in a hearth, the application provides a circulating fluidized bed boiler combustion device.
The application provides a circulating fluidized bed boiler burner adopts following technical scheme:
the utility model provides a circulating fluidized bed boiler burner, includes the furnace body, and the tip has set firmly the sediment fill under the furnace body, tip is equipped with a plurality of cloth tuber pipes that are parallel to each other along the horizontal direction under the furnace body, and the cloth tuber pipe all is rectangular plate-like, and a plurality of discharge wind gaps have all been seted up along its length direction to the cloth tuber pipe, and the both ends of cloth tuber pipe all rotate with the furnace body to be connected and extend to outside the furnace body, and the furnace body is equipped with the synchronous pivoted drive arrangement of all cloth tuber pipes of drive.
Through adopting above-mentioned technical scheme, the user controls drive arrangement and drives all cloth tuber pipes and rotate in step, and rectangular plate-like cloth tuber pipe rotates the in-process to vertical state by the horizontality, and the interval between the adjacent cloth tuber pipe grow gradually, makes the automatic landing of large size incombustible under the action of gravity to the sediment fill in and then discharge, be convenient for in time clear up the bulky cinder in the furnace.
Optionally, the slag hopper is frustum-shaped, the sectional area of the slag hopper is gradually reduced from top to bottom, two parallel rotating rollers are arranged in the slag hopper, a plurality of shifting pieces are fixedly arranged on the two rotating rollers along the circumferential direction of the two rotating rollers, and the shifting pieces of the two rotating rollers are arranged in a crossed manner.
Through adopting above-mentioned technical scheme, the roller drives the plectrum and rotates, and then stirs the cinder, and the plectrum can be smashed the cinder of caking, gathering heap simultaneously, is difficult for appearing arranging the phenomenon that the sediment is smooth or the jam, is convenient for in time clear up the bulky cinder in the furnace.
Optionally, a cleaning air pipe is arranged on one side of the air distribution pipe, and a plurality of cleaning holes are formed in the direction, close to the other side of the corresponding air distribution pipe, of the cleaning air pipe.
Through adopting above-mentioned technical scheme, the clearance tuber pipe blows along the up end of cloth tuber pipe for dropping of cinder and incombustible thing, can blow off some incombustible things of adhesion on the cloth tuber pipe simultaneously, and then improved clearance speed, be favorable to improving machining efficiency.
Optionally, the air distribution pipe has set firmly a plurality of play tuber pipes, goes out tuber pipe and air outlet one-to-one and intercommunication, and the one end that the play tuber pipe deviates from the air distribution pipe has all set firmly the dust screen.
By adopting the technical scheme, the opening of the air outlet pipe is higher than the outer surface of the air distribution pipe, so that the coal cinder and the incombustible are not easy to enter the air distribution pipe when sliding off, and meanwhile, the dust screen can reduce the coal ash and float into the air distribution pipe, so that the phenomenon of air distribution pipe blockage is not easy to occur.
Optionally, the driving device includes a first cylinder and a plurality of first gears, the first cylinder is fixedly connected to the furnace body, the first gears are in one-to-one correspondence with the air distribution pipes and are fixedly disposed at one ends of the corresponding air distribution pipes close to the first cylinder, and the output end of the first cylinder is fixedly provided with a rack engaged with the first gear.
Through adopting above-mentioned technical scheme, first cylinder drives rack horizontal migration, and then drives all first gears and cloth tuber pipe synchronous revolution, and simple structure control is convenient.
Optionally, the driving device includes a first motor and a plurality of synchronizing wheels, the first motor is fixedly connected with the furnace body, the synchronizing wheels are in one-to-one correspondence with the air distribution pipes and are fixedly arranged at one ends of the corresponding air distribution pipes close to the first motor, a synchronous belt is arranged between the synchronizing wheels, and an output shaft of the first motor is fixedly connected with one of the air distribution pipes.
Through adopting above-mentioned technical scheme, first motor drives all synchronizing wheels and cloth tuber pipe synchronous rotation through the hold-in range, and simple structure control is convenient, and the cloth tuber pipe can realize 360 rotations, is difficult for there being the incombustible to remain, and the clearance effect is better.
Optionally, both ends of the air distribution pipes are connected with the furnace body in a sliding manner and are rotatably connected with two connecting rods which are mutually crossed, the connecting rods of the adjacent air distribution pipes are rotatably connected, the furnace body is fixedly provided with a second cylinder, the output end of the second cylinder is fixedly connected with the air distribution pipe closest to the second cylinder, and the air distribution pipe farthest from the second cylinder is fixedly connected with the furnace body.
Through adopting above-mentioned technical scheme, when cleaing away bulky incombustibles, the cloth tuber pipe horizontal migration that the second cylinder pulling is connected, all connecting rods take place to rotate simultaneously, and the inclination of connecting rod changes, and then realizes the synchronous grow of interval of adjacent cloth tuber pipe, makes the automatic landing of large size incombustibles under the action of gravity in the sediment fill and then discharge, is convenient for in time clear up the bulky cinder in the furnace.
Optionally, the furnace body is fixedly provided with a supporting part, the supporting part is hollow and communicated with the inside of the furnace body, and the second cylinder is located in the supporting part.
By adopting the technical scheme, the air distribution pipe is pulled by the air cylinder to enter the supporting part, so that the air distribution pipe can be ensured to be uniformly distributed on the lower end part of the furnace body all the time, a space for the movement of the air distribution pipe in the furnace body is not required to be reserved, and the air blowing effect of the air distribution pipe on fuel is further ensured.
In summary, the present application includes at least one of the following beneficial technical effects:
by arranging the driving device, a user controls the driving device to drive all the air distribution pipes to synchronously rotate, and in the process that the rectangular plate-shaped air distribution pipes rotate from a horizontal state to a vertical state, the distance between every two adjacent air distribution pipes is gradually increased, so that large-size incombustible objects automatically slide into the slag hopper under the action of gravity and are discharged, and large-size coal slag in the hearth can be conveniently cleaned in time;
the rotary roller and the shifting sheet are arranged, the rotary roller drives the shifting sheet to rotate, so that the coal cinder is shifted, and meanwhile, the shifting sheet can break the coal cinder which is agglomerated and piled, so that the phenomenon of unsmooth slag discharge or blockage is not easy to occur, and the large-volume coal cinder in the hearth is convenient to clean in time;
through setting up second cylinder and connecting rod, when cleaing away bulky incombustible thing, the cloth tuber pipe horizontal migration that the second cylinder pulling is connected, all connecting rods take place to rotate simultaneously, and the inclination of connecting rod changes, and then realizes the synchronous grow of interval of adjacent cloth tuber pipe, makes the automatic landing of large size incombustible thing under the action of gravity to the sediment fill in and then discharge, is convenient for in time clear up the bulky cinder in the furnace.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present application.
Fig. 2 is a schematic cross-sectional structure diagram of embodiment 1 of the present application.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic view of the overall structure of embodiment 2 of the present application.
Fig. 5 is a schematic view of the overall structure of embodiment 3 of the present application.
Fig. 6 is a schematic cross-sectional structure of embodiment 3 of the present application.
Description of reference numerals: 1. a furnace body; 2. a slag hopper; 3. distributing an air pipe; 31. a rotating part; 4. a drive device; 5. rotating the roller; 51. a shifting sheet; 52. a second motor; 53. a second gear; 32. cleaning an air pipe; 321. cleaning the holes; 322. an air inlet pipe; 33. an air outlet pipe; 331. a dust screen; 41. a first cylinder; 42. a first gear; 411. a rack; 43. a first motor; 44. a synchronizing wheel; 45. a synchronous belt; 6. a support portion; 61. a second cylinder; 7. a connecting rod; 11. a horizontal groove.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses a circulating fluidized bed boiler combustion device.
Example 1:
referring to fig. 1 and 2, a circulating fluidized bed boiler combustion device comprises a furnace body 1, wherein a user introduces fuel to be combusted into the furnace body 1 in the combustion process, an air distribution pipe 3 is arranged at the lower end part of the furnace body 1, the air distribution pipe 3 blows air to the upper end part of the furnace body 1, the fuel is blown to suspend and combust simultaneously, the combustion effect is good, and meanwhile, large-volume incombustibles and heavier coal cinder fall under the action of gravity; the tip intercommunication has sediment fill 2 under furnace body 1, and the less gap between cloth tuber pipe 3 of volume falls into in the sediment fill 2, and for the difficult too big of the interval of guarantee wind pressure cloth tuber pipe 3, the great adjusting device who falls on cloth tuber pipe 3 of volume, furnace body 1 is equipped with the 3 interval grow of drive cloth tuber pipe.
Referring to fig. 2, a plurality of air distribution pipes 3 are installed, the air distribution pipes 3 are parallel to each other and horizontally arranged along the horizontal direction, the air distribution pipes 3 are rectangular plate-shaped and hollow inside, and air is introduced into the air distribution pipes 3 and then diffused to different positions in the air distribution pipes 3; under the combustion state, the air distribution pipe 3 is arranged horizontally and the upper end part is provided with a plurality of air outlets along the length direction, the air outlets communicate the inside and the outside of the air distribution pipe 3, and air is blown from the air outlets to the upper end part of the furnace body 1.
Referring to fig. 2 and 3, each exhaust air port is arranged along the width direction of the air distribution pipes 3, and the gaps between the adjacent air distribution pipes 3 are small, so that air is ensured to blow fuel from different positions, and further, the air pressure is ensured, and the phenomenon that the fuel is difficult to suspend due to insufficient air pressure is not easy to occur; at this time, the incombustible and the cinder with larger volume fall above the air distributing pipe 3.
Referring to fig. 1 and 2, the adjusting device includes a plurality of rotating portions 31, the rotating portions 31 are cylindrical with horizontal axes, the rotating portions 31 are respectively installed at the middle positions of the two ends of the air distributing pipe 3, a plurality of connecting holes matched with the rotating portions 31 are respectively formed in the two sides of the end portion of the air distributing pipe 3, close to the furnace wall of the furnace body 1, and the rotating portions 31 are respectively embedded into the corresponding connecting holes.
Referring to fig. 1 and 2, drive arrangement 4 is installed to furnace body 1, drive arrangement 4 includes first cylinder 41, first cylinder 41 fixed mounting is on furnace body 1 outer wall, first cylinder 41 output level sets up and fixed mounting has rack 411, when needing to increase the 3 intervals of cloth tuber pipe and clear up, the user slows down the fuel interpolation temporarily, stop the ventilation of cloth tuber pipe 3 simultaneously, then control first cylinder 41 output extension, drive rack 411 and remove along self length direction, furnace body 1 sets up the horizontal spout with the rack 411 adaptation, one side that rack 411 is close to furnace body 1 imbeds in the horizontal spout with furnace body 1 sliding connection, the gravity of rack 411 is shared by furnace body 1, when having ensured the moving direction of rack 411, the life of first cylinder 41 has been prolonged.
Referring to fig. 1 and 2, the rotating portions 31 of the air distribution pipes 3 near one end of the first cylinder 41 are all fixedly connected with the corresponding air distribution pipes 3, and all extend to the outside of the furnace body 1, and are coaxially and fixedly provided with first gears 42 adapted to the racks 411, and the racks 411 are located below the first gears 42 and are simultaneously meshed with all the first gears 42, so as to drive all the first gears 42 and the air distribution pipes 3 to synchronously rotate; the rotation part 31 of the air distribution pipe 3 deviating from one end of the first cylinder 41 is rotatably connected with the corresponding air distribution pipe 3, and the hollow rotation part 31 rotates relative to the corresponding air distribution pipe 3.
Referring to fig. 2, in the rotation process of the air distribution pipes 3, the included angle with the horizontal direction gradually increases, at the moment, the gap between two adjacent air distribution pipes 3 gradually increases, and incombustibles, coal cinder and other impurities with larger volume slide down into the slag hopper 2 under the action of gravity, so that the large-volume coal cinder is conveniently discharged in time; when the air distribution pipes 3 rotate to the vertical state, the distance between the adjacent air distribution pipes 3 reaches the maximum.
Referring to fig. 2 and 3, air outlet pipes 33 are respectively installed at the air outlets of the air distribution pipes 3, the air outlet pipes 33 are communicated with the interiors of the air distribution pipes 3 through corresponding air outlets, air blowing from the air distribution pipes 3 to the upper end part of the furnace body 1 cannot be prevented, and meanwhile, the openings of the air outlet pipes 33 are high in height, so that sundries are unlikely to enter the air outlets to block the air distribution pipes 3 when falling downwards; at this time, air is not discharged from the air outlet pipe 33 any more, part of coal ash can float downwards in the furnace body 1, dust screens 331 are fixedly mounted at the openings of the air outlet pipe 33, and the coal ash is blocked by the dust screens 331 and is not easy to enter the air distribution pipe 3 to cause blockage.
Referring to fig. 2 and 3, the cleaning air pipes 32 are installed at the upward rotating ends of the air distribution pipes 3, the cleaning air pipes 32 are hollow and communicated with the air inlet pipe 322, the air inlet pipe 322 extends out of the furnace body 1 through the hollow connecting part, and at the moment, a user ventilates the cleaning air pipes 32 through the air inlet pipe 322; the direction that clearance tuber pipe 32 is close to corresponding cloth tuber pipe 3 rotation down one side has all seted up one row clearance hole 321, and every row clearance hole 321 sets up along the length direction that corresponds clearance tuber pipe 32, and wind blows to the lower one side of cloth tuber pipe 3 from clearance hole 321, the landing of acceleration cinder.
Referring to fig. 1 and 2, the slag hopper 2 is in a frustum shape, the sectional area is gradually reduced from top to bottom, and impurities falling from different positions fall in the slag hopper 2 and are gradually gathered; install two commentaries on classics rollers 5 that are parallel to each other in the sediment fill 2, sediment fill 2 outer fixed mounting has second motor 52, and second motor 52 output shaft level sets up and extends to in the sediment fill 2 rather than one of them commentaries on classics roller 5 coaxial fixed connection, and under the second motor 52 start-up state, drive corresponding commentaries on classics roller 5 and rotate.
Referring to fig. 1 and 2, two rotating rollers 5 are coaxially and fixedly mounted with a second gear 53 engaged with each other at one end close to the second motor 52, and the two rotating rollers 5 simultaneously rotate in opposite directions under the action of the second gear 53. The two rotating rollers 5 are fixedly provided with a plurality of rows of shifting pieces 51 along the self axial direction, each row of shifting pieces 51 are arranged along the circumferential direction of the corresponding rotating roller 5, the shifting pieces 51 rotate synchronously along with the corresponding rotating rollers 5, the shifting pieces 51 of the two rotating rollers 5 are arranged in a crossed manner, and the coal cinder in the cinder hopper 2 is shifted.
Referring to fig. 2, powdery or blocky cinder is easy to be gathered into a lump after falling into the cinder hopper 2 to influence the cinder discharge, and when the part of cinder passes through the space between the two rotating rollers 5, the cinder after the lump is smashed due to the smaller distance between the poking sheets 51, so that the phenomenon that the cinder discharge is not smooth or even the cinder discharge is blocked by manual assistance is not easy to occur, and the automation degree is higher.
The implementation principle of the combustion device of the circulating fluidized bed boiler in the embodiment of the application is as follows: need increase cloth tuber pipe 3 interval when clearing up, the user stops the fuel and adds, the ventilation of stopping cloth tuber pipe 3 simultaneously, then the extension of the 41 output ends of first cylinder of control, it rotates in step to drive all first gears 42 and cloth tuber pipe 3 through rack 411, cloth tuber pipe 3 rotates the in-process, with the contained angle grow gradually of horizontal direction, clearance grow gradually between two adjacent cloth tuber pipes 3 this moment, debris such as incombustibles of great volume and cinder fall into in slag hopper 2 under the action of gravity, it is comparatively convenient when clearing up great volume cinder.
Example 2:
referring to fig. 4, the main difference between this embodiment and embodiment 1 is that the driving device 4 includes a first motor 43 and a plurality of synchronizing wheels 44, the first motor 43 is fixedly installed on the outer wall of the furnace body 1, an output shaft of the first motor 43 is horizontally arranged in a direction close to the furnace body 1, one end of the air distribution pipe 3 close to the first motor 43 is coaxially and fixedly installed with the synchronizing wheels 44, an output shaft of the first motor 43 is coaxially and fixedly connected with the synchronizing wheels 44 located in the middle, and when large-volume coal cinder above the air distribution pipe 3 needs to be cleaned, a user starts the first motor 43 to drive the corresponding synchronizing wheels 44 and the rotating portion 31 to rotate.
Referring to fig. 4, install hold-in range 45 between the synchronizing wheel 44, the synchronizing wheel 44 that is located both sides props up hold-in range 45 tightly, and all synchronizing wheels 44 mesh with hold-in range 45 simultaneously, and then under hold-in range 45's effect, all rotation portion 31 synchronous rotations, and rotation portion 31 is rotatable 360, is favorable to reducing the residue of cinder on the cloth tuber 3, and the clearance effect is better.
Example 3:
referring to fig. 5 and 6, the main difference between the present embodiment and embodiment 1 is that the adjusting device includes a second cylinder 61 and a supporting portion 6, the supporting portion 6 is fixedly installed at one side of the furnace body 1, and the supporting portion 6 is hollow and communicated with the inside of the furnace body 1 and is located at the same height as the air distribution pipe 3; the air distribution pipes 3 are all cylindrical with horizontal axes, horizontal grooves 11 matched with the air distribution pipes 3 are formed in the walls of the furnace body 1 close to the two ends of the air distribution pipes 3, and the air distribution pipes 3 are not easy to move in the vertical direction under the support of the horizontal grooves 11; the horizontal groove 11 which is far away from the second cylinder 61 communicates the inside and the outside of the furnace body 1, so that the ventilation to the air distribution pipe 3 is facilitated.
Referring to fig. 5 and 6, the second cylinder 61 is fixedly installed at one side of the furnace body 1, the output end of the second cylinder is horizontally arranged and is fixedly connected with the air distribution pipe 3 nearest to the second cylinder, and when large-volume coal cinder above the air distribution pipe 3 needs to be cleaned, a user starts the second cylinder 61 to drive the corresponding air distribution pipe 3 to move towards the direction close to the supporting part 6.
Referring to fig. 5 and 6, two connecting rods 7 are respectively installed at two ends of each air distribution pipe 3, the middle positions of the connecting rods 7 are rotatably connected with the corresponding air distribution pipes 3, the end parts of the connecting rods 7 of the adjacent air distribution pipes 3 are rotatably connected, and the connecting rods 7 which are close to each other are in a shape of a Chinese character '8'; the air distribution pipe 3 farthest from the second air cylinder 61 is fixedly connected with the furnace body 1 and cannot move close to the supporting part 6, and the total distance between the air distribution pipes 3 at the two ends is increased; connecting rod 7 is under the drive of the cloth tuber pipe 3 nearest apart from second cylinder 61, and the synchronous emergence is rotated, and the inclination of connecting rod 7 diminishes, and the synchronous grow of interval of adjacent connecting rod 7 moves to the supporting part 6 apart from the nearer part cloth tuber pipe 3 of second cylinder 61 in, and the cinder is comparatively convenient during the clearance bulky cinder in the automatic sediment fill 2 that falls into under the action of gravity this moment.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a circulating fluidized bed boiler burner, includes furnace body (1), and the tip has set firmly sediment fill (2) under furnace body (1), its characterized in that: the utility model discloses a furnace body, including furnace body (1), tip along the horizontal direction be equipped with a plurality of cloth tuber pipes (3) that are parallel to each other under furnace body (1), cloth tuber pipe (3) all are rectangular plate-like, and a plurality of exhaust vents have all been seted up along its length direction in cloth tuber pipe (3), and the both ends of cloth tuber pipe (3) all rotate with furnace body (1) and are connected and extend to outside furnace body (1), and furnace body (1) is equipped with all cloth tuber pipes of drive (3) synchronous pivoted drive arrangement (4).
2. A circulating fluidized bed boiler combustion apparatus according to claim 1, characterized in that: the slag bucket (2) is frustum-shaped, the sectional area of the slag bucket is gradually reduced from top to bottom, two parallel rotating rollers (5) are arranged in the slag bucket (2), a plurality of shifting pieces (51) are fixedly arranged on the two rotating rollers (5) along the circumferential direction of the two rotating rollers, and the shifting pieces (51) of the two rotating rollers (5) are arranged in a crossed mode.
3. A circulating fluidized bed boiler combustion apparatus according to claim 1, characterized in that: the cleaning air pipe (32) is arranged on one side of the air distribution pipe (3), and a plurality of cleaning holes (321) are formed in the direction, close to the other side of the corresponding air distribution pipe (3), of the cleaning air pipe (32).
4. A circulating fluidized bed boiler combustion apparatus according to claim 1, characterized in that: cloth tuber pipe (3) have set firmly a plurality of play tuber pipes (33), go out tuber pipe (33) and air outlet one-to-one and intercommunication, the one end that goes out tuber pipe (33) and deviates from cloth tuber pipe (3) all sets firmly dust screen (331).
5. A circulating fluidized bed boiler combustion apparatus according to claim 1, characterized in that: the driving device (4) comprises a first air cylinder (41) and a plurality of first gears (42), the first air cylinder (41) is fixedly connected with the furnace body (1), the first gears (42) correspond to the air distribution pipes (3) one to one and are fixedly arranged at one ends, close to the first air cylinder (41), of the corresponding air distribution pipes (3), and the output end of the first air cylinder (41) is fixedly provided with a rack (411) meshed with the first gears (42).
6. A circulating fluidized bed boiler combustion apparatus according to claim 1, characterized in that: the driving device (4) comprises a first motor (43) and a plurality of synchronizing wheels (44), the first motor (43) is fixedly connected with the furnace body (1), the synchronizing wheels (44) correspond to the air distribution pipes (3) one by one and are fixedly arranged at one ends, close to the first motor (43), of the corresponding air distribution pipes (3), a synchronizing belt (45) is arranged between the synchronizing wheels (44), and an output shaft of the first motor (43) is fixedly connected with one of the air distribution pipes (3).
7. A circulating fluidized bed boiler combustion apparatus according to claim 1, characterized in that: cloth tuber pipe (3) both ends and furnace body (1) sliding connection and all rotate and be connected with two connecting rods (7) of intercrossing, and connecting rod (7) of adjacent cloth tuber pipe (3) all rotate and are connected, and furnace body (1) has set firmly second cylinder (61), second cylinder (61) output and apart from its nearest cloth tuber pipe (3) fixed connection, apart from cloth tuber pipe (3) and furnace body (1) fixed connection of second cylinder (61) farthest.
8. The circulating fluidized bed boiler combustion apparatus of claim 7, wherein: the furnace body (1) is fixedly provided with a supporting part (6), the supporting part (6) is hollow and communicated with the interior of the furnace body (1), and the second cylinder (61) is positioned in the supporting part (6).
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| CN202111046620.5A CN113719832A (en) | 2021-09-06 | 2021-09-06 | Combustion device of circulating fluidized bed boiler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111046620.5A CN113719832A (en) | 2021-09-06 | 2021-09-06 | Combustion device of circulating fluidized bed boiler |
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