CN219656055U - Circulating fluidized bed boiler - Google Patents
Circulating fluidized bed boiler Download PDFInfo
- Publication number
- CN219656055U CN219656055U CN202320689135.8U CN202320689135U CN219656055U CN 219656055 U CN219656055 U CN 219656055U CN 202320689135 U CN202320689135 U CN 202320689135U CN 219656055 U CN219656055 U CN 219656055U
- Authority
- CN
- China
- Prior art keywords
- crushing box
- fluidized bed
- rotating shaft
- circulating fluidized
- bed boiler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003756 stirring Methods 0.000 claims abstract description 21
- 238000002485 combustion reaction Methods 0.000 claims abstract description 15
- 239000000446 fuel Substances 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 3
- 235000019738 Limestone Nutrition 0.000 abstract description 27
- 239000006028 limestone Substances 0.000 abstract description 27
- 239000000463 material Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model discloses a circulating fluidized bed boiler, and relates to the technical field of fluidized bed boilers; the utility model comprises a combustion furnace and a crushing box, wherein a first rotating shaft which is symmetrically distributed is rotatably arranged in the crushing box, crushing rollers are fixedly arranged on the outer side of the first rotating shaft, the two crushing rollers are meshed with each other, a filter screen is clamped in the crushing box in a sliding manner, and symmetrically distributed cams are rotatably arranged on the inner wall of the crushing box; the limestone is crushed by the crushing roller, and meanwhile, the end part of the output shaft of the first motor drives the cam to rotate, and the cam drives the filter screen to move up and down, so that the filter screen screens the limestone, the condition of low efficiency caused by large volume of the limestone can be avoided, and the aim of improving the efficiency is fulfilled; the first connecting shaft drives the second rotating shaft to oppositely rotate, and the second rotating shaft drives the stirring rod to rotate, so that the stirring rod stirs the limestone, the condition of limestone blockage can be avoided, and the anti-blockage purpose is achieved.
Description
Technical Field
The utility model relates to the technical field of fluidized bed boilers, in particular to a circulating fluidized bed boiler.
Background
Circulating fluidized bed boilers are clean coal combustion technology with highest industrialization degree, and equipment for completing fluidization process, such as solid particles (bed materials), fluid (fluidization wind) is called a fluidized bed; the circulating fluidized bed boiler adopts fluidized combustion, and the main structure comprises a combustion chamber and a circulating furnace; the biggest difference with the bubbling fluidized bed combustion technology is that the operation wind speed is high, heterogeneous reaction processes such as combustion and desulfurization are enhanced, and the boiler capacity can be expanded to a large capacity acceptable by the electric power industry; at present, the circulating fluidized bed boiler well solves basic problems such as thermal, mechanical, material science and the like and engineering problems such as expansion, abrasion, overtemperature and the like, becomes an advanced technology for utilizing energy sources of flame-retardant solid fuels, the existing circulating fluidized bed boiler generally adds limestone into a limestone bin, and then feeds the limestone into a combustion furnace through fuel pipe mixed fuel to participate in desulfurization reaction in the furnace, and the limestone with larger volume has lower reaction efficiency after entering the combustion furnace, so that the working efficiency of the fluidized bed boiler is easily influenced.
Disclosure of Invention
In order to solve the problems of low reaction efficiency caused by large-volume limestone and the working efficiency of the fluidized bed boiler; the utility model aims to provide a circulating fluidized bed boiler.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a circulating fluidized bed boiler, includes combustion furnace and crushing case, the outside of combustion furnace runs through has the fuel pipe, crushing case's bottom mounting is equipped with row material pipe, row material pipe's one end fixed through installs on the fuel pipe, crushing case's feed inlet is fixed to be equipped with the loading hopper, and the loading hopper can be convenient for add; the inside rotation of smashing the case installs the first pivot of symmetric distribution, the outside fixed mounting of first pivot has crushing roller, crushing roller can smash the lime stone, two intermesh between the crushing roller, crushing roller intermesh can the opposite direction rotation, the inside slip card of smashing the case is equipped with the filter screen, filters after the filter screen can smashing, the cam of symmetric distribution is installed in the inner wall rotation of smashing the case, and the cam can drive the filter screen through rotating to reciprocate, the outside and the filter screen laminating of cam, the outside of smashing the case is fixed and is equipped with the second motor, the tip activity of second motor output shaft runs through smashing the case and with first pivot fixed connection, and the second motor can conveniently provide power for first pivot rotation, two the fixed connecting rod that is equipped with of one end that the cam is relative, the connecting rod can conveniently drive the cam rotation, the valve is installed in the outside of arranging the material pipe, and the valve can conveniently control row of arranging the material pipe.
Preferably, the inside of smashing the case rotates and installs the second pivot, the fixed stirring stick that is annular array distribution that is equipped with in the outside of second pivot, dislocation distribution between the stirring stick, the fixed first motor that is equipped with in outside of smashing the case, the tip activity of first motor output shaft runs through smashing the case and with the one end fixed connection of second pivot, drive second pivot subtend rotation through first connecting axle, the second pivot drives stirring stick rotation for stirring the stick stirs the lime stone, just so can avoid the condition that the lime stone was blocked, smashing one side activity that the case kept away from first motor and running through has the first connecting axle of symmetric distribution, one side activity that the case is close to the second pivot is run through there is the second connecting axle, one end fixed connection of second connecting axle and one end fixed connection of cam, the outside cover of second connecting axle and one of them first connecting axle is equipped with the belt.
Preferably, the inner wall of smashing the case has offered the spout of symmetric distribution, the inside slip card of spout is equipped with the slider, the outside fixed connection of one side and the filter screen that the slider is relative, and the spout can make things convenient for the slider to remove, and the slider can keep the filter screen to remove stably.
Preferably, the second connecting shaft can drive the cam to rotate, the first connecting shaft can conveniently drive the second rotating shaft to rotate, the belt can drive the second connecting shaft and the first connecting shaft to synchronously rotate, the outer side of the first connecting shaft is fixedly sleeved with gears, the two gears are meshed with each other, and the gears can conveniently drive the first connecting shaft to oppositely rotate.
Compared with the prior art, the utility model has the beneficial effects that:
1. the limestone is crushed by the crushing roller, and meanwhile, the end part of the output shaft of the first motor drives the cam to rotate, and the cam drives the filter screen to move up and down, so that the filter screen screens the limestone, the condition of low efficiency caused by large volume of the limestone can be avoided, and the aim of improving the efficiency is fulfilled;
2. the first connecting shaft drives the second rotating shaft to oppositely rotate, and the second rotating shaft drives the stirring rod to rotate, so that the stirring rod stirs the limestone, the condition of limestone blockage can be avoided, and the anti-blockage purpose is achieved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic cross-sectional view of the crushing box and its connection structure.
Fig. 3 is an enlarged view of the structure of fig. 2 a.
In the figure: 1. a combustion furnace; 2. a crushing box; 3. a fuel pipe; 4. a discharge pipe; 5. a first rotating shaft; 6. a pulverizing roller; 7. a filter screen; 8. a cam; 9. a connecting rod; 10. a belt; 11. a second rotating shaft; 12. an agitating bar; 13. a first motor; 14. a chute; 15. a slide block; 16. a second motor; 17. a hopper; 18. a valve; 19. a first connecting shaft; 20. a gear; 21. and a second connecting shaft.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one: as shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a circulating fluidized bed boiler, includes combustion furnace 1 and crushing case 2, and the outside of combustion furnace 1 runs through has fuel pipe 3, and crushing case 2's bottom mounting is equipped with row material pipe 4, and row material pipe 4's one end is fixed to be run through and is installed on fuel pipe 3, crushing case 2's feed inlet is fixed to be equipped with hopper 17, and hopper 17 can convenient feeding; the inside rotation of smashing case 2 installs symmetrical distribution's first pivot 5, the outside fixed mounting of first pivot 5 has crushing roller 6, crushing roller 6 can smash the lime stone, intermesh between two crushing rollers 6, crushing roller 6 intermesh can the opposite direction rotation, the inside slip card of smashing case 2 is equipped with filter screen 7, filter screen 7 can smash the back and filter, the inner wall of smashing case 2 rotates and installs symmetrical distribution's cam 8, cam 8 can drive filter screen 7 through rotating and reciprocate, the outside and the laminating of filter screen 7 of cam 8.
The inner wall of the crushing box 2 is provided with symmetrically distributed sliding grooves 14, sliding blocks 15 are clamped in the sliding grooves 14 in a sliding manner, and one side of each sliding block 15 opposite to the corresponding side is fixedly connected with the outer side of the filter screen 7.
By adopting the technical scheme, the sliding chute 14 can facilitate the sliding block 15 to move, and the sliding block 15 can keep the filter screen 7 to move stably.
One side of the crushing box 2 far away from the first motor 13 is movably penetrated with first connecting shafts 19 which are symmetrically distributed, one end of each first connecting shaft 19 is fixedly connected with the second rotating shaft 11, one side of the crushing box 2 near the second rotating shaft 11 is movably penetrated with a second connecting shaft 21, one end of each second connecting shaft 21 is fixedly connected with one end of the cam 8, and the outer sides of the second connecting shafts 21 and one of the first connecting shafts 19 are sleeved with a belt 10.
Through adopting above-mentioned technical scheme, the second connecting axle 21 can drive cam 8 rotation, and first connecting axle 19 can conveniently drive second pivot 11 rotation, and belt 10 can drive second connecting axle 21 and first connecting axle 19 synchronous rotation.
The outside of the crushing box 2 is fixedly provided with a second motor 16, and the end part of the output shaft of the second motor 16 movably penetrates through the crushing box 2 and is fixedly connected with the first rotating shaft 5.
By adopting the above technical scheme, the second motor 16 can conveniently provide power for the rotation of the first rotating shaft 5.
The opposite ends of the two cams 8 are fixedly provided with connecting rods 9.
By adopting the technical scheme, the connecting rod 9 can conveniently drive the cam 8 to rotate.
The gear 20 is fixedly sleeved on the outer side of the first connecting shaft 19, and the two gears 20 are meshed with each other.
By adopting the technical scheme, the gears 20 are meshed with each other, so that the first connecting shaft 19 can be conveniently driven to rotate in opposite directions.
A valve 18 is arranged on the outer side of the discharge pipe 4.
By adopting the above technical scheme, the valve 18 can conveniently control the discharging of the discharging pipe 4.
Embodiment two: as shown in fig. 2, a second rotating shaft 11 is rotatably installed in the crushing box 2, stirring rods 12 distributed in an annular array are fixedly arranged on the outer side of the second rotating shaft 11, the stirring rods 12 are distributed in a staggered mode, a first motor 13 is fixedly arranged on the outer side of the crushing box 2, and the end portion of an output shaft of the first motor 13 movably penetrates through the crushing box 2 and is fixedly connected with one end of the second rotating shaft 11.
Through adopting above-mentioned technical scheme, drive the opposite rotation of second pivot 11 through first connecting axle 19, second pivot 11 drive stirring rod 12 rotates for stirring rod 12 stirs the lime stone, just so can avoid the condition that the lime stone blockked up.
Working principle: firstly, limestone is put into a crushing box 2 from a charging hopper 17, a second motor 16 is started, so that the second motor 16 starts to work, the end part of an output shaft of the second motor 16 drives a first rotating shaft 5 to rotate, the first rotating shaft 5 drives a crushing roller 6 to rotate oppositely, the crushing roller 6 crushes the limestone, meanwhile, a first motor 13 is started, the first motor 13 starts to work, the end part of an output shaft of the first motor 13 drives a cam 8 to rotate, the cam 8 drives a filter screen 7 to move up and down, the filter screen 7 is used for sieving the limestone, the condition that the limestone is low in efficiency due to large volume can be avoided, the aim of improving efficiency is achieved, meanwhile, the cam 8 drives a second connecting shaft 21 to rotate, the second connecting shaft 21 drives a belt 10 to rotate, the belt 10 drives a first connecting shaft 19 to rotate, the first connecting shaft 19 drives a second rotating shaft 11 to rotate oppositely through a gear 20, and the second rotating shaft 11 drives a stirring rod 12 to stir the limestone, so that the stirring rod 12 can avoid the limestone blocking.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. The utility model provides a circulating fluidized bed boiler, includes combustion furnace (1) and crushing case (2), its characterized in that: the outside of the combustion furnace (1) is penetrated with a fuel pipe (3), the bottom end of the crushing box (2) is fixedly provided with a discharge pipe (4), one end of the discharge pipe (4) is fixedly penetrated and installed on the fuel pipe (3), and the feed inlet of the crushing box (2) is fixedly provided with a feed hopper (17);
the inside rotation of smashing case (2) is installed symmetrical distribution's first pivot (5), the outside fixed mounting of first pivot (5) has crushing roller (6), two intermesh between crushing roller (6), the inside slip card of smashing case (2) is equipped with filter screen (7), the inner wall of smashing case (2) rotates installs symmetrical distribution's cam (8), the outside and the laminating of filter screen (7) of cam (8).
2. The circulating fluidized bed boiler according to claim 1, wherein the second rotating shaft (11) is rotatably installed in the crushing box (2), stirring rods (12) distributed in an annular array are fixedly arranged on the outer side of the second rotating shaft (11), the stirring rods (12) are distributed in a staggered mode, a first motor (13) is fixedly arranged on the outer side of the crushing box (2), and the end portion of an output shaft of the first motor (13) movably penetrates through the crushing box (2) and is fixedly connected with one end of the second rotating shaft (11).
3. The circulating fluidized bed boiler according to claim 1, wherein symmetrically distributed sliding grooves (14) are formed in the inner wall of the crushing box (2), sliding blocks (15) are arranged in the sliding grooves (14) in a sliding manner, and one side, opposite to the sliding blocks (15), is fixedly connected with the outer side of the filter screen (7).
4. A circulating fluidized bed boiler according to claim 2, characterized in that a side of the crushing box (2) far away from the first motor (13) is movably penetrated with a first connecting shaft (19) which is symmetrically distributed, one end of the first connecting shaft (19) is fixedly connected with the second rotating shaft (11), one side of the crushing box (2) near the second rotating shaft (11) is movably penetrated with a second connecting shaft (21), one end of the second connecting shaft (21) is fixedly connected with one end of the cam (8), and the outer sides of the second connecting shaft (21) and one of the first connecting shafts (19) are sleeved with a belt (10).
5. A circulating fluidized bed boiler according to claim 1, characterized in that the outer side of the crushing box (2) is fixedly provided with a second motor (16), and the end part of the output shaft of the second motor (16) movably penetrates through the crushing box (2) and is fixedly connected with the first rotating shaft (5).
6. A circulating fluidized bed boiler according to claim 1, characterized in that the opposite ends of the cams (8) are fixedly provided with connecting rods (9).
7. A circulating fluidized bed boiler according to claim 4, characterized in that the outer side of the first connecting shaft (19) is fixedly sleeved with a gear (20), and the two gears (20) are meshed with each other.
8. A circulating fluidized bed boiler according to claim 1, characterized in that a valve (18) is mounted on the outside of the discharge pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320689135.8U CN219656055U (en) | 2023-03-31 | 2023-03-31 | Circulating fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320689135.8U CN219656055U (en) | 2023-03-31 | 2023-03-31 | Circulating fluidized bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219656055U true CN219656055U (en) | 2023-09-08 |
Family
ID=87879265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320689135.8U Active CN219656055U (en) | 2023-03-31 | 2023-03-31 | Circulating fluidized bed boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219656055U (en) |
-
2023
- 2023-03-31 CN CN202320689135.8U patent/CN219656055U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107096487A (en) | A kind of efficient three axles stirred autoclave | |
| CN104841525A (en) | Three-screw planetary transmission vertical medium stirring mill | |
| CN202191938U (en) | Ball mill adopting wet method | |
| CN207951610U (en) | High-efficiency vertical mill | |
| CN111185267A (en) | Coal crushing and screening device | |
| CN108837920B (en) | High-efficient material loading agitating unit is used in thermal power station construction | |
| CN105856455B (en) | The more rotary drum film class technics of reclaim of plastic waste reutilization systems of flow control | |
| CN219656055U (en) | Circulating fluidized bed boiler | |
| CN201244460Y (en) | Horizontal type tumbling cylinder double-movement spiral material-mixing machine without blind angle | |
| CN117124496A (en) | Large-scale pneumatic stirring device that smashes of polytetrafluoroethylene | |
| CN209753087U (en) | Coal grinding equipment for power plant boiler | |
| CN207240686U (en) | A kind of injection molding machine agitating device | |
| CN214810524U (en) | Tunnel construction shield constructs with slip casting thick liquid mixing apparatus behind wall | |
| CN208824683U (en) | A kind of carclazyte continuous efficient production equipment | |
| CN211011343U (en) | Circulating fluidized bed boiler bottom ash desulphurization unit | |
| CN111420741A (en) | Environment-friendly equipment for collecting mineral exploitation pulverized coal | |
| CN217910710U (en) | Sediment device is arranged to coal pulverizer | |
| CN216953026U (en) | Circulating fluidized bed boiler | |
| CN113491978B (en) | Pulping device for calcium-based wet desulfurization | |
| CN217594776U (en) | Raw material processing apparatus is used in mortar production | |
| CN218890611U (en) | Refractory brick is with refractory material mixed rolling equipment | |
| CN216988006U (en) | Powder manufacturing equipment utilizing shearing force for thermal power plant | |
| CN219429939U (en) | Wet deslagging energy-saving system of coal gasification furnace | |
| CN210613888U (en) | High-calcium powder coal ash pulverizer | |
| CN105729677B (en) | A kind of flow velocity successively decreases more rotary drum film class technics of reclaim of plastic waste reuse methods |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |