CN220282449U - Coal dropping pipe of boiler of thermal power plant - Google Patents
Coal dropping pipe of boiler of thermal power plant Download PDFInfo
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- CN220282449U CN220282449U CN202321852226.5U CN202321852226U CN220282449U CN 220282449 U CN220282449 U CN 220282449U CN 202321852226 U CN202321852226 U CN 202321852226U CN 220282449 U CN220282449 U CN 220282449U
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- 239000003245 coal Substances 0.000 title claims abstract description 135
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000003139 buffering effect Effects 0.000 claims description 6
- 239000010883 coal ash Substances 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model discloses a coal dropping pipe of a boiler of a thermal power plant, which relates to the technical field of coal dropping pipes and comprises a main coal dropping pipe body, wherein a subsidiary coal dropping pipe body is communicated with the main coal dropping pipe body, a feed hopper is fixedly arranged on the main coal dropping pipe body, a buffer mechanism is arranged between the feed hopper and the main coal dropping pipe body and comprises a rotating ring plate, a buffer column, a cleaning brush and a buffer rubber plate, the rotating ring plate is rotatably arranged on the feed hopper, the buffer columns are fixedly arranged on the rotating ring plate, and a plurality of groups of buffer columns are arranged for reducing the impact on the inner side wall of the main coal dropping pipe body when coal drops. The coal dropping pipe of the boiler of the thermal power plant is compared with the prior art, the problem that the coal dropping auxiliary pipe body is easy to be weak or even perforated after being impacted for a long time is solved, the impact of coal dropping on the coal dropping auxiliary pipe body and the coal dropping main pipe body is conveniently reduced through the matching of the buffer rubber plates and the plurality of groups of buffer columns, and therefore the service lives of the coal dropping main pipe body and the coal dropping auxiliary pipe body can be prolonged.
Description
Technical Field
The utility model relates to the technical field of coal pipes, in particular to a coal pipe of a boiler of a thermal power plant.
Background
The boiler is a main production device of a thermal power plant, which converts chemical energy of fuel into heat energy and utilizes the heat energy to heat feed water so as to enable the feed water to have qualified steam with a certain quantity and quality (pressure and temperature), and coal is required to be conveyed to the boiler through a coal dropping pipe in the use process of the boiler of the thermal power plant;
the coal dropping pipe is a common name of coal conveying pipelines in industries such as coal, ports, thermal power plants, coal dump stations, coal washery, coal-fired industrial boilers and the like, a large amount of coal ash and coal cinder are easy to adhere to the inside of the existing coal dropping pipe after the existing coal dropping pipe is used for a long time, and inlet blockage is easy to cause, so that in order to solve the problems, a coal dropping pipe of a thermal power plant boiler, which is disclosed as a Chinese patent publication No. CN214198745U, is found in the search, powder particles attached to the inner wall of the main coal dropping pipe can be blown down by means of strong air flow, although blockage of the inlet of the main coal dropping pipe is convenient to reduce, the main coal dropping pipe and the auxiliary coal dropping pipe are fixedly connected when coal falls into the auxiliary coal dropping pipe from the main coal dropping pipe, and weak and even perforation phenomena are easy to occur at the impacted part after the existing coal dropping pipe is used for a long time, and the coal dropping efficiency of the boiler of the thermal power plant is easy to influence.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a coal dropping pipe of a boiler of a thermal power plant, so as to solve the problem that the impact part of a coal dropping auxiliary pipe body is easy to generate weak or even perforation phenomenon after long time in the prior art provided in the background art.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the coal dropping pipe of the boiler of the thermal power plant comprises a main coal dropping pipe body, wherein a subsidiary coal dropping pipe body is communicated with the main coal dropping pipe body, a feed hopper is fixedly arranged on the main coal dropping pipe body, a buffer mechanism is arranged between the feed hopper and the main coal dropping pipe body, and the buffer mechanism comprises a rotary ring plate, a buffer column, a cleaning brush and a buffer rubber plate;
the rotary ring plate is rotatably arranged on the feed hopper;
the buffer columns are fixedly arranged on the rotating ring plate, and are arranged into a plurality of groups, and the buffer columns are used for reducing the impact on the inner side wall of the coal dropping main pipe when coal drops;
the cleaning brushes are arranged in a plurality of groups and fixedly arranged on the buffer column and used for cleaning coal ash on the inner side wall of the coal dropping main pipe;
the buffer rubber plate is rotatably arranged on the main coal dropping pipe body and is used for reducing impact on the inner side wall of the auxiliary coal dropping pipe body when coal drops.
As the preferred technical scheme of this application, the slewing ring board with be provided with synchronous rotary mechanism between the buffer rubber board, synchronous rotary mechanism includes:
the driving gear is fixedly sleeved on the rotating ring plate, and the driving gear is provided with a rotating gear in a meshed manner;
the driven gear is fixedly arranged on the buffer rubber plate, and a transmission gear is meshed with the driven gear;
the rotating rod is arranged on the rotating gear;
the rotating column is fixedly arranged on the transmission gear;
and two groups of universal joints are arranged between the rotating strip and the rotating rod and between the rotating strip and the rotating column.
Preferably, a protection assembly is arranged between the driving gear and the driven gear, and the protection assembly comprises:
the protection cylinder is fixedly arranged on the feeding hopper, the rotating rod is rotatably arranged on the inner top wall of the protection cylinder, and the protection cylinder is provided with a through hole for rotating the rotating gear;
the protective box is fixedly arranged on the main coal dropping pipe body and is fixedly connected with an installation box;
and the motor is arranged in the mounting box, and the output end of the motor is fixedly connected with the rotating column.
Further, the rotating clamping plate is fixedly connected to the rotating ring plate, and the feeding hopper is provided with a rotating clamping groove for rotating the rotating clamping plate.
As still further solutions of the present application, the cleaning direction of the cleaning brushes of the plurality of groups is all directed toward the inner side wall of the main coal dropping pipe body.
In addition, a rotating opening for rotating the buffer rubber plate is formed in the main coal dropping pipe body.
(III) beneficial effects
Compared with the prior art, the utility model provides a coal dropping pipe of a boiler of a thermal power plant, which comprises the following components
The beneficial effects are that:
according to the utility model, when coal enters the main coal dropping pipe body and the auxiliary coal dropping pipe body through the feeding hopper, the impact of the coal on the inner side wall of the main coal dropping pipe body can be reduced through the plurality of groups of buffer columns, and meanwhile, the impact of the coal on the auxiliary coal dropping pipe body when the coal drops can be buffered through the buffer rubber plate, so that the impact of the coal on the auxiliary coal dropping pipe body when the coal continues to drop is reduced, and the weak condition of the main coal dropping pipe body and the auxiliary coal dropping pipe body due to coal impact is reduced;
when the weak condition occurs that coal always impacts on a certain position of the buffer rubber plate, the motor rotates the rotating column, so that the rotating column rotates the buffer rubber plate through the engagement of the driven gear and the transmission gear, the weak position of the buffer rubber plate is conveniently rotated away, the position of the buffer rubber plate, which is not weak, can be continuously impacted by the coal, and the buffer rubber plate is conveniently used for a long time;
meanwhile, the rotating column can rotate the rotating rod through the cooperation of the rotating strip and the two groups of universal joints, the rotating gear can rotate the rotating toothed plate through the driving gear so as to rotate the multiple groups of buffer columns, the positions of the multiple groups of buffer columns can be adjusted so as to rotate the unworn buffer columns to the main impact position of coal, and meanwhile, the buffer columns drive the cleaning hairbrush to rotate so as to clean coal ash on the inner side wall of the main coal dropping pipe;
therefore, the coal dropping pipe of the boiler of the thermal power plant is convenient for reducing the impact of coal dropping on the coal dropping auxiliary pipe body and the coal dropping main pipe body by the cooperation of the buffer rubber plates and the plurality of groups of buffer columns compared with the problem that the impact part of the coal dropping auxiliary pipe body is easy to generate weak even perforation phenomenon after the long-term time of the prior art, thereby being capable of improving the service lives of the coal dropping main pipe body and the coal dropping auxiliary pipe body.
Drawings
FIG. 1 is a schematic perspective view, partially in section, of a preferred embodiment of the present application;
FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to a preferred embodiment of the present application;
FIG. 3 is a schematic perspective view of the whole structure of a preferred embodiment of the present utility model;
fig. 4 is a schematic perspective view of the cooperation of the buffer post and the cleaning brush in a preferred embodiment of the present application.
In the figure: 1. a main coal dropping pipe body; 2. a coal dropping auxiliary pipe body; 3. a feed hopper; 4. rotating the ring plate; 5. a buffer column; 6. cleaning a hairbrush; 7. a buffer rubber plate; 8. a drive gear; 9. rotating the gear; 10. a driven gear; 11. a transmission gear; 12. a rotating lever; 13. rotating the column; 14. a universal joint; 15. a protective cylinder; 16. a protective box; 17. a mounting box; 18. a motor; 19. and rotating the clamping plate.
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.
Referring to fig. 1 to 4, a coal dropping pipe of a boiler of a thermal power plant comprises a coal dropping main pipe body 1, a coal dropping auxiliary pipe body 2 is communicated with the coal dropping main pipe body 1, a feed hopper 3 is fixedly arranged on the coal dropping main pipe body 1, a buffer mechanism is arranged between the feed hopper 3 and the coal dropping main pipe body 1 and comprises a rotary ring plate 4, a buffer post 5, a cleaning brush 6 and a buffer rubber plate 7, the buffer post 5 and the buffer rubber plate 7 are slightly raised in the coal dropping main pipe body 1, normal coal dropping of coal cannot be influenced, the rotary ring plate 4 is rotatably arranged on the feed hopper 3, a rotary clamping groove for rotating the rotary clamping plate 19 is formed in the feed hopper 3, the rotary ring plate 4 is matched with the rotary clamping groove through the rotary clamping plate 19, the rotary buffering mechanism can be increased in stability of the rotary ring plate 4, the buffer post 5 is fixedly arranged on the rotary ring plate 4, the buffer post 5 is arranged into a plurality of groups, the buffer post 6 is used for reducing the impact on the inner side walls of the coal dropping main pipe body 1 when the coal drops, the buffer post 5 and the buffer brush 6 is arranged into a plurality of groups, the cleaning brush 6 is fixedly arranged on the rotary ring plate 6 and is arranged on the rotary clamping plate 1, and the cleaning brush 6 is arranged on the inner side walls of the main pipe body 1 when the buffer main pipe body 1 is arranged towards the inner walls of the coal dropping main pipe body 1, and the cleaning brush 6 is arranged on the rotary clamping plate 1.
Referring to fig. 1 to 4, a synchronous rotation mechanism is arranged between a rotation ring plate 4 and a buffer rubber plate 7, the synchronous rotation mechanism comprises a driving gear 8, a driven gear 10, a rotation rod 12, a rotation column 13 and a rotation bar, the driving gear 8 is fixedly sleeved on the rotation ring plate 4, a mounting cavity for mounting the driving gear 8 is formed in a feed hopper 3, the driving gear 8 drives the rotation ring plate 4 to rotate, the driving gear 8 is meshed with the rotation gear 9, the driven gear 10 is fixedly arranged on the buffer rubber plate 7, a transmission gear 11 is meshed with the driven gear 10, the rotation rod 12 is mounted on the rotation gear 9, the rotation column 13 is fixedly arranged on the transmission gear 11, and two groups of universal joints 14 are arranged between the rotation bar and the rotation rod 12 and the rotation column 13;
when the rotating ring plate 4 and the buffer rubber plate 7 are required to synchronously rotate, the transmission gear 11 is rotated through the rotating column 13, so that the rubber buffer plate is conveniently rotated through the engagement of the transmission gear 11 and the driven gear 10, meanwhile, the rotating column 13 can rotate the rotating rod 12 through the cooperation of the rotating strips and the two groups of universal joints 14, and when the rotating rod 12 rotates, the rotating ring plate 4 can be rotated through the engagement of the driving gear 8 and the rotating gear 9, so that the multiple groups of buffer columns 5 can be rotated.
Referring to fig. 1 to 4, a protection component is disposed between a driving gear 8 and a driven gear 10, the protection component includes a protection cylinder 15, a protection box 16 and a motor 18, the protection cylinder 15 is fixedly mounted on a feed hopper 3, a rotating rod 12 is rotatably mounted on an inner top wall of the protection cylinder 15, a through hole for rotating a rotating gear 9 is formed in the protection cylinder 15, the protection box 16 is fixedly mounted on a main coal dropping pipe body 1, a mounting hole matched with the main coal dropping pipe body 1 is formed in the protection box 16, the stability of mounting of the protection box 16 on the main coal dropping pipe body 1 can be improved, a mounting box 17 is fixedly connected to the protection box 16, the motor 18 is mounted in the mounting box 17, and an output end of the motor 18 is fixedly connected with the rotating post 13;
through the cooperation of protective housing 16 and feeder hopper 3, can protect rotation gear 9 and driving gear 8 to reduce the influence of coal ash etc. to driving gear 8 and rotation gear 9 meshing, simultaneously through the connection of protective housing 16 and mounting box 17, can protect driven gear 10, drive gear 11 and motor 18, in order to reduce the influence of external factor to the normal work of motor 18.
It should be further noted that the outer diameter of the transmission gear 11 is larger than the outer diameter of the rotation gear 9, and when the transmission gear 11 rotates once, the rotation gear 9 rotates at least two times, so that when the rotation post 13 and the rotation rod 12 rotate synchronously, the rotation stroke of the rotation ring plate 4 is larger than the rotation stroke of the cushion rubber plate 7.
In summary, when coal is required to be conveyed into a boiler in a thermal power plant, firstly, the coal is conveyed into a feed hopper 3, so that the coal can enter the boiler through a main coal dropping pipe body 1 and an auxiliary coal dropping pipe body 2, in the coal dropping process, the impact of the coal on the inner side wall of the main coal dropping pipe body 1 can be reduced through a plurality of groups of buffer columns 5, and meanwhile, the impact of the coal on the auxiliary coal dropping pipe body 2 when the coal continuously drops can be reduced through a buffer rubber plate 7, so that the weak condition of the main coal dropping pipe body 1 and the auxiliary coal dropping pipe body 2 due to coal impact is reduced;
meanwhile, when the weak positions of the buffer rubber plates 7 and the buffer columns 5, which are impacted, need to be changed, the motor 18 drives the rotating column 13 to rotate, the rotating rod 12 can be rotated through the cooperation of the rotating strips and the two groups of universal joints 14, the rotating ring plate 4 can be rotated through the rotating of the rotating rod 12 by the rotating gear 9 through the driving gear 8 so as to rotate the multiple groups of buffer columns 5, the positions of the multiple groups of buffer columns 5 are adjusted, and the rotating column 13 can rotate the buffer rubber plates 7 through the meshing of the driven gears 10 and the transmission gears 11 so as to rotate the weak positions of the buffer rubber plates 7;
it should be further noted that, when the rotating ring plate 4 drives the plurality of groups of buffer columns 5 to rotate, the plurality of groups of buffer columns 5 can respectively drive the plurality of groups of cleaning brushes 6 to rotate, so that the coal ash on the inner side wall of the main coal dropping pipe body 1 can be cleaned.
Although embodiments of the present utility model 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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a coal breakage pipe of boiler of thermal power plant, is responsible for body (1) including falling coal, the intercommunication has coal breakage auxiliary pipe body (2) on the main body (1) of falling coal, its characterized in that, fixedly mounted has feeder hopper (3) on the main body (1) of falling coal, feeder hopper (3) with be provided with buffer gear between the main body (1) of falling coal, buffer gear includes:
the rotary ring plate (4) is rotatably arranged on the feed hopper (3);
the buffering columns (5) are fixedly arranged on the rotating ring plate (4), the buffering columns (5) are arranged in a plurality of groups, and the buffering columns (5) are used for reducing impact on the inner side wall of the main coal dropping pipe body (1) when coal drops;
the cleaning brushes (6) are arranged in a plurality of groups, and the cleaning brushes (6) are fixedly arranged on the buffer columns (5) and are used for cleaning coal ash on the inner side wall of the main coal dropping pipe body (1);
the buffering rubber plate (7), the buffering rubber plate (7) rotate set up in on the main coal falling body (1) for reduce when coal falls to the impact of the inside wall of auxiliary coal falling body (2).
2. The coal drop tube of a thermal power plant boiler according to claim 1, characterized in that a synchronous rotating mechanism is arranged between the rotating ring plate (4) and the buffer rubber plate (7), the synchronous rotating mechanism comprises:
the driving gear (8), the driving gear (8) is fixedly sleeved on the rotating ring plate (4), and a rotating gear (9) is arranged on the driving gear (8) in a meshed manner;
the driven gear (10), the driven gear (10) is fixedly arranged on the buffer rubber plate (7), and a transmission gear (11) is arranged on the driven gear (10) in a meshed manner;
a rotating rod (12), wherein the rotating rod (12) is arranged on the rotating gear (9);
a rotating column (13), wherein the rotating column (13) is fixedly arranged on the transmission gear (11);
and two groups of universal joints (14) are arranged between the rotating bar and the rotating rod (12) and between the rotating bar and the rotating column (13).
3. A coal drop tube of a boiler of a thermal power plant according to claim 2, characterized in that a protection assembly is arranged between the driving gear (8) and the driven gear (10), the protection assembly comprising:
the protection cylinder (15), the protection cylinder (15) is fixedly arranged on the feed hopper (3), the rotating rod (12) is rotatably arranged on the inner top wall of the protection cylinder (15), and the protection cylinder (15) is provided with a through hole for rotating the rotating gear (9);
the protection box (16), the protection box (16) is fixedly arranged on the main coal dropping pipe body (1), and the protection box (16) is fixedly connected with an installation box (17);
and the motor (18), the motor (18) is installed in the installation box (17), and the output end of the motor (18) is fixedly connected with the rotating column (13).
4. A coal drop tube for a boiler of a thermal power plant according to claim 3, wherein the rotating annular plate (4) is fixedly connected with a rotating clamping plate (19), and the feeding hopper (3) is provided with a rotating clamping groove for rotating the rotating clamping plate (19).
5. A coal drop tube for a thermal power plant boiler according to claim 4, characterized in that the cleaning direction of the plurality of groups of cleaning brushes (6) is directed towards the inner side wall of the main coal drop tube body (1).
6. The coal dropping pipe of the boiler of the thermal power plant according to claim 5, wherein a rotating opening for rotating the buffer rubber plate (7) is formed in the main coal dropping pipe body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321852226.5U CN220282449U (en) | 2023-07-14 | 2023-07-14 | Coal dropping pipe of boiler of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321852226.5U CN220282449U (en) | 2023-07-14 | 2023-07-14 | Coal dropping pipe of boiler of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220282449U true CN220282449U (en) | 2024-01-02 |
Family
ID=89337062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321852226.5U Active CN220282449U (en) | 2023-07-14 | 2023-07-14 | Coal dropping pipe of boiler of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220282449U (en) |
-
2023
- 2023-07-14 CN CN202321852226.5U patent/CN220282449U/en active Active
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