CN220564551U - Coal feeding device of circulating fluidized bed gasifier - Google Patents
Coal feeding device of circulating fluidized bed gasifier Download PDFInfo
- Publication number
- CN220564551U CN220564551U CN202322203390.XU CN202322203390U CN220564551U CN 220564551 U CN220564551 U CN 220564551U CN 202322203390 U CN202322203390 U CN 202322203390U CN 220564551 U CN220564551 U CN 220564551U
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- China
- Prior art keywords
- shell
- fixedly connected
- fluidized bed
- sliding seat
- circulating fluidized
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- 239000003245 coal Substances 0.000 title claims abstract description 69
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000002309 gasification Methods 0.000 claims description 14
- 238000004321 preservation Methods 0.000 claims description 12
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 4
- 239000010425 asbestos Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 239000003034 coal gas Substances 0.000 description 6
- 230000008602 contraction Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model discloses a coal feeding device of a circulating fluidized bed gasifier, which comprises a shell, wherein a telescopic plate is arranged in the shell, one side of the telescopic plate is provided with a rotating block, one side of the shell is fixedly connected with a rotating motor, the output end of the rotating motor is fixedly connected with the rotating block, the two ends of the rotating block are respectively and fixedly connected with stirring blocks along a central axis, the inner side wall of the shell is fixedly connected with a fixing seat, the inner side wall of the shell is fixedly connected with a sliding seat, the fixing seat and the sliding seat are symmetrically distributed along the central axis of the shell, one side of the fixing seat is rotationally connected with the telescopic plate, one end of the telescopic plate, which is far away from the fixing seat, is slidingly connected with the inside of the sliding seat, a coal passing groove is formed in the surface of the telescopic plate, and one end of the telescopic plate, which is close to the sliding seat, is rotationally connected with a balancing weight. When the coal feeding device is used, the expansion plate expands and contracts to drive the coal feeding groove to expand and contract, so that coal is prevented from accumulating through vibration of the coal feeding groove, and the safety of the structure is improved.
Description
Technical Field
The utility model relates to the technical field of gasification furnace equipment, in particular to a coal feeding device of a circulating fluidized bed gasification furnace.
Background
The normal pressure circulating fluidized bed gasifier is to send 0-12 mm powdered coal into a 10KPa micro-positive pressure hearth for gasification reaction. The stokehold coal feeder consists of a coal bin and a screw feeder. The common structural types of the coal bunker are cone type, circular section hyperbola type and the like.
In the use process of the gasification furnace, the coal in the coal hopper is required to be sent into the hearth to be combusted through the coal feeding device, so that the full supply of fuel and the heat load of the gasification furnace are ensured, and the heat efficiency of the gasification furnace is greatly influenced.
The coal feeding device can often generate the problems that high-temperature coal gas reversely flows into a coal feeder through a coal dropping pipe to burn on fire, so that the furnace is forced to stop, the economic benefit of the gasification furnace is reduced, potential safety hazards are generated, and the like. Most of reasons for this are that the coal feeding device is blocked, so that a cavity is formed in the coal feeder, and high-temperature coal gas is filled in the cavity of the coal feeder through a coal dropping pipeline, so that high-temperature coal gas back-channeling occurs.
Disclosure of Invention
The utility model aims to provide a coal feeding device of a circulating fluidized bed gasifier, which aims to solve the problems that the coal feeding device provided in the background art often causes high-temperature coal gas to reversely flow into a coal feeder through a coal dropping pipe to be burnt, so that the furnace is forced to stop, the economic benefit of the gasifier is reduced, and potential safety hazards are generated. Most of reasons for the occurrence of the situation are that the coal feeding device is blocked, so that a cavity is formed in the coal feeder, and high-temperature coal gas is filled in the cavity of the coal feeder through a coal dropping pipeline, so that the problem of high-temperature coal gas back channeling occurs.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a circulating fluidized bed gasifier coal feeding device, includes the shell, the inside of shell is provided with the expansion plate, one side of expansion plate is provided with the rotating block.
Through above-mentioned technical scheme, utilize the rotation of rotor block to make the expansion plate vibration make the coal in the inside orderly whereabouts of shell to avoid the stifled coal.
Preferably, one side of the shell is fixedly connected with a rotating motor, the output end of the rotating motor is fixedly connected with a rotating block, and two ends of the rotating block are respectively and fixedly connected with stirring blocks along the central axis.
Through the technical scheme, the rotating motor is started to drive the rotating block and the stirring block of the rotating block to rotate.
Preferably, the inside wall fixedly connected with fixing base of shell, the inside wall fixedly connected with sliding seat of shell, fixing base and sliding seat are along the axis symmetric distribution of shell.
Through the technical scheme, the channel for coal to pass through is manufactured through the fixed seat and the sliding seat, so that interference of subsequent parts on the channel is facilitated.
Preferably, one side of fixing base rotates and is connected with the expansion plate, the one end sliding connection that the fixing base was kept away from to the expansion plate is in the inside of sliding seat, the coal chute has been seted up on the surface of expansion plate, the expansion plate is close to the one end rotation that the sliding seat is connected with the balancing weight.
Through above-mentioned technical scheme, make the expansion plate stretch out and draw back through the slip of expansion plate to utilize the expansion of expansion plate to drive the expansion of coal chute, thereby prevent through the vibration of coal chute that the coal is piled up.
Preferably, one end of the expansion plate, which is close to the sliding seat, is rotationally connected with a transmission block, and the transmission block is mutually abutted with the stirring block of the rotating block.
Through above-mentioned technical scheme, start the rotation motor and drive the revolute block and rotate to drive the vibration that transmission piece and expansion plate activity in order to realize the expansion plate through the revolute block.
Preferably, the inside wall fixedly connected with of shell is two sets of guide boards, guide board is along the axis symmetric distribution of shell, one side fixedly connected with heat preservation and heat preservation of guide board adopt asbestos to make, one side fixedly connected with wearing layer and wearing layer of heat preservation adopt high manganese steel to make.
Through above-mentioned technical scheme, guide the coal cinder through the guide board and get into between fixing base and the sliding seat, utilize wearing layer protection guide board's surface.
Preferably, the inside wall fixedly connected with fixed connection pole of shell, the one end that the shell was kept away from to the fixed connection pole and the one end fixed connection of sliding seat, the bottom fixedly connected with of fixed connection pole maintains the telescopic link, maintain the top fixed connection of the bottom and the transmission piece of telescopic link.
Through the technical scheme, the transmission block is kept horizontal by utilizing the cooperation of the fixed connecting rod and the sliding seat so as to maintain the cooperation of the transmission block and the rotating block.
Preferably, a feeding port is fixedly connected to one side of the shell, and an access door is arranged on one side of the shell.
Through above-mentioned technical scheme, realize the feeding of shell through the feed inlet, make things convenient for personnel to overhaul through the access door.
Compared with the prior art, the utility model has the beneficial effects that:
1. through being provided with rotation motor, fixing base, rotating block, expansion plate, drive block, balancing weight, sliding seat and crossing the coal chute, start rotation motor drive rotating block and the stirring piece of rotating block rotate and realize the vibration of expansion plate through the stirring piece of rotating block to utilize the expansion of expansion plate to drive the coal chute and stretch out and draw back, utilize the balancing weight to drive the expansion plate simultaneously and accelerate the whereabouts, and then prevent through the vibration of coal chute that the coal piles up, improved the security of this structure;
2. the guide plate, the wear-resistant layer and the heat-insulating layer are arranged, the wear-resistant layer is used for protecting the surface of the guide plate, and the heat-insulating layer is used for preventing the guide plate from deforming due to expansion caused by heat and contraction caused by cold, so that the service life of the structure is prolonged;
3. through being provided with fixed connecting rod and maintaining the telescopic link, utilize fixed connecting rod to maintain the telescopic link fixed to utilize to maintain the telescopic link and be connected the horizontal gesture that maintains the transmission piece with the transmission piece, make the transmission piece can last with the butt of turning block, thereby improved the stability of this structure.
Drawings
FIG. 1 is a schematic perspective view of a main body of the device of the present utility model;
FIG. 2 is a schematic diagram of the overall cross-sectional elevation of the present utility model;
FIG. 3 is a schematic view of a sliding seat according to the present utility model;
FIG. 4 is a schematic perspective view of a telescopic plate according to the present utility model;
fig. 5 is an enlarged schematic view of the wear-resistant layer of the present utility model.
In the figure: 1. a housing; 2. a feed inlet; 3. a rotating motor; 4. an access door; 5. a guide plate; 6. a fixing seat; 7. a rotating block; 8. fixing the connecting rod; 9. maintaining the telescopic rod; 10. a telescoping plate; 11. a transmission block; 12. balancing weight; 13. a sliding seat; 14. a coal passing groove; 15. a wear-resistant layer; 16. and a heat preservation layer.
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. 1-5, the present utility model provides a technical solution: the utility model provides a circulating fluidized bed gasifier coal feeder, includes shell 1, and feed inlet 2 is fixedly connected with to one side of shell 1, and one side of shell 1 is provided with access door 4, realizes the feeding of shell 1 through feed inlet 2, makes things convenient for personnel to overhaul through access door 4;
the inside of the shell 1 is provided with a telescopic plate 10, one side of the telescopic plate 10 is provided with a rotating block 7, one side of the shell 1 is fixedly connected with a rotating motor 3, the output end of the rotating motor 3 is fixedly connected with the rotating block 7, two ends of the rotating block 7 are respectively fixedly connected with stirring blocks along a central axis, the rotating motor 3 is started to drive the rotating block 7 and the stirring blocks of the rotating block 7 to rotate, the inner side wall of the shell 1 is fixedly connected with a fixed seat 6, the inner side wall of the shell 1 is fixedly connected with a sliding seat 13, the fixed seat 6 and the sliding seat 13 are symmetrically distributed along the central axis of the shell 1, a passage for coal to pass through is manufactured through the fixed seat 6 and the sliding seat 13 so as to facilitate the interference of subsequent parts on the passage, one side of the fixed seat 6 is rotationally connected with the telescopic plate 10, one end of the telescopic plate 10 far away from the fixed seat 6 is slidingly connected with the inside of the sliding seat 13, the surface of the telescopic plate 10 is provided with a coal passing groove 14, one end of the telescopic plate 10 close to the sliding seat 13 is rotationally connected with a balancing weight 12, the telescopic plate 10 is made to stretch and stretch the coal passing groove 14 by the sliding of the telescopic plate 10, and the coal passing through the sliding groove 14 is made by the telescopic plate 10, thereby the safety of the circulating and the coal passing through the circulating bed is improved;
referring to fig. 1-5, the inner side wall of the shell 1 is fixedly connected with two groups of guide plates 5, the guide plates 5 are symmetrically distributed along the central axis of the shell 1, one side of each guide plate 5 is fixedly connected with a heat preservation layer 16, each heat preservation layer 16 is made of asbestos, one side of each heat preservation layer 16 is fixedly connected with a wear-resistant layer 15, each wear-resistant layer 15 is made of high manganese steel, coal blocks are guided to enter between the fixed seat 6 and the sliding seat 13 through the guide plates 5, the surfaces of the guide plates 5 are protected by the wear-resistant layers 15, and the guide plates 5 are prevented from deforming due to thermal expansion and contraction through the heat preservation layers 16, so that the service life of the structure is prolonged.
The inner side wall of the shell 1 is fixedly connected with a fixed connecting rod 8, one end of the fixed connecting rod 8, which is far away from the shell 1, is fixedly connected with one end of a sliding seat 13, the bottom end of the fixed connecting rod 8 is fixedly connected with a maintaining telescopic rod 9, the bottom end of the maintaining telescopic rod 9 is fixedly connected with the top end of a transmission block 11, the maintaining telescopic rod 9 is fixed by the fixed connecting rod 8, and the horizontal posture of the transmission block 11 is maintained by the connection of the maintaining telescopic rod 9 and the transmission block 11, so that the transmission block 11 can be continuously abutted with the rotating block 7, and the stability of the structure is improved;
working principle: when the coal in the coal hopper is required to be transported into the circulating fluidized bed gasifier, the coal is poured into the inside of the feed inlet 2, the coal is led to enter the surface of the expansion plate 10 through the guiding of the guiding plate 5, the rotating motor 3 is started to drive the rotating block 7 and the stirring block of the rotating block 7 to rotate, and vibration of the expansion plate 10 is realized through the stirring block of the rotating block 7, so that the expansion of the expansion plate 10 is utilized to drive the coal chute 14 to expand and contract, the balancing weight 12 is utilized to drive the expansion plate 10 to accelerate falling, further, the coal is prevented from accumulating in the circulating fluidized bed gasifier through the vibration of the coal chute 14, the safety of the structure is improved, the surface of the guiding plate 5 is protected by the wear-resisting layer 15 when the coal falls, the guiding plate 5 is prevented from deforming due to thermal expansion and contraction through the heat preservation layer 16, the service life of the structure is prolonged, and finally, the horizontal posture of the transmission block 11 is maintained by maintaining the connection of the expansion rod 9 and the transmission block 11 when the expansion plate 10 vibrates, the transmission block 11 can be continuously abutted with the rotating block 7, and the work is finally completed.
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 (8)
1. The utility model provides a circulating fluidized bed gasifier coal feeding device, includes shell (1), its characterized in that: the novel telescopic device is characterized in that a telescopic plate (10) is arranged in the shell (1), and a rotating block (7) is arranged on one side of the telescopic plate (10).
2. A circulating fluidized bed gasification furnace coal feeding apparatus according to claim 1, wherein: one side fixedly connected with rotation motor (3) of shell (1), the output fixedly connected with rotation piece (7) of rotation motor (3), the both ends of rotation piece (7) are along axis fixedly connected with stirring piece respectively.
3. A circulating fluidized bed gasification furnace coal feeding apparatus according to claim 1, wherein: the inner side wall fixedly connected with fixing base (6) of shell (1), the inside wall fixedly connected with sliding seat (13) of shell (1), fixing base (6) and sliding seat (13) are along the axis symmetric distribution of shell (1).
4. A circulating fluidized bed gasification furnace coal feeder according to claim 3, wherein: one side of fixing base (6) rotates and is connected with expansion plate (10), the one end sliding connection that fixing base (6) was kept away from to expansion plate (10) is in the inside of sliding seat (13), coal chute (14) have been seted up on the surface of expansion plate (10), the one end rotation that expansion plate (10) is close to sliding seat (13) is connected with balancing weight (12).
5. A circulating fluidized bed gasification furnace coal feeding apparatus according to claim 1, wherein: one end of the expansion plate (10) close to the sliding seat (13) is rotationally connected with a transmission block (11), and the transmission block (11) is mutually abutted with the stirring block of the rotating block (7).
6. A circulating fluidized bed gasification furnace coal feeding apparatus according to claim 1, wherein: the utility model discloses a high manganese steel wear-resistant guide plate for the automobile, including shell (1) inside wall fixedly connected with two sets of guide plates (5), guide plate (5) are along the axis symmetric distribution of shell (1), one side fixedly connected with heat preservation (16) of guide plate (5) and heat preservation (16) adopt asbestos to make, one side fixedly connected with wearing layer (15) of heat preservation (16) and wearing layer (15) adopt high manganese steel to make.
7. A circulating fluidized bed gasification furnace coal feeding apparatus according to claim 1, wherein: the utility model discloses a motor, including shell (1), inside wall fixedly connected with fixed connection pole (8) of shell (1), the one end fixed connection pole (8) are kept away from shell (1) and the one end fixed connection of sliding seat (13), the bottom fixedly connected with of fixed connection pole (8) maintains telescopic link (9), the top fixed connection of the bottom of maintaining telescopic link (9) and driving block (11).
8. A circulating fluidized bed gasification furnace coal feeding apparatus according to claim 1, wherein: one side of shell (1) fixedly connected with feed inlet (2), one side of shell (1) is provided with access door (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322203390.XU CN220564551U (en) | 2023-08-16 | 2023-08-16 | Coal feeding device of circulating fluidized bed gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322203390.XU CN220564551U (en) | 2023-08-16 | 2023-08-16 | Coal feeding device of circulating fluidized bed gasifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220564551U true CN220564551U (en) | 2024-03-08 |
Family
ID=90103427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322203390.XU Active CN220564551U (en) | 2023-08-16 | 2023-08-16 | Coal feeding device of circulating fluidized bed gasifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220564551U (en) |
-
2023
- 2023-08-16 CN CN202322203390.XU patent/CN220564551U/en active Active
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