CN220135494U - Flue gas baffle sealing device - Google Patents
Flue gas baffle sealing device Download PDFInfo
- Publication number
- CN220135494U CN220135494U CN202321080507.3U CN202321080507U CN220135494U CN 220135494 U CN220135494 U CN 220135494U CN 202321080507 U CN202321080507 U CN 202321080507U CN 220135494 U CN220135494 U CN 220135494U
- Authority
- CN
- China
- Prior art keywords
- baffle
- flue
- sealing
- sealing device
- bearing
- 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.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 41
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims description 8
- 239000003546 flue gas Substances 0.000 title claims description 8
- 238000012856 packing Methods 0.000 claims abstract description 13
- 239000000779 smoke Substances 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Air-Flow Control Members (AREA)
Abstract
The utility model provides a smoke baffle sealing device, which comprises a flue, wherein a baffle is arranged in the flue, the baffle is connected with a driving shaft, the driving shaft is supported by a bearing and is sealed by packing, a sealing box is sleeved outside the driving shaft, a gap is arranged between the end face of the sealing box and the outer side of the driving shaft, the sealing box is communicated with an induced air pipe, and the induced air pipe is externally connected with cold air; the sealing wind seal is added on the basis of the traditional packing seal, the sealing effect is improved, no ash leaks even under the condition of loose packing seal, the field sanitation condition and the working environment of the bearing are improved, and the problems of blocking of the adjusting baffle and cracking of the bearing cover are effectively avoided.
Description
Technical Field
The utility model relates to the technical field of boilers, in particular to a flue gas baffle sealing device.
Background
The flue of the boiler is generally internally provided with a regulating baffle, the structures of the primary hot air regulating baffle and the primary converging air regulating baffle are shutter type, each baffle consists of a window leaf, the window leaf is fixed on a shaft, a rolling bearing is assembled on the actuating mechanism side of each shaft, a shaft sleeve supporting baffle is assembled on the other side of each shaft, the sealing mode between the actuating mechanism side shaft and the baffle is packing sealing, and the other side is a blind plate without sealing.
The problem that current regulation baffle frequently takes place to block and bearing cap fracture in the use, through analysis, the main reason of above-mentioned problem is: a large amount of dust enters the bearing, blocks the bearing oil filling hole and damages the bearing ball, so that the bearing is blocked, radial force is generated when the baffle acts, and the bearing cover is cracked.
Therefore, a smoke baffle sealing device is needed, and the problem that an existing adjusting baffle is easy to clamp and a bearing cover is easy to crack can be solved.
Disclosure of Invention
The utility model aims to provide a sealing device for a smoke baffle plate, which solves the problems that the existing adjusting baffle plate is easy to clamp and a bearing cover is easy to crack.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a smoke baffle sealing device which comprises a flue, wherein a baffle is arranged in the flue and is connected with a driving shaft, the driving shaft is supported by a bearing and is sealed by packing, a sealing box is sleeved outside the driving shaft, a gap is arranged between the end face of the sealing box and the outer side of the driving shaft, the sealing box is communicated with an induced air pipe, and the induced air pipe is externally connected with cold air.
Preferably, the baffle is composed of a louver, one end of the louver is fixed with the driving shaft, and the other end of the louver is supported on the side wall of the flue through a shaft sleeve.
Preferably, a clearance between the end face of the seal box and the outside of the drive shaft is 1-2mm.
Preferably, the air induction pipe is communicated with the cold air duct.
Compared with the prior art, the utility model has the following beneficial technical effects:
the utility model provides a flue gas baffle sealing device, which comprises a flue, wherein a baffle is arranged in the flue, the baffle is connected with a driving shaft, the driving shaft is supported by a bearing and is sealed by packing, a sealing box is sleeved outside the driving shaft, a gap is arranged between the end face of the sealing box and the outer side of the driving shaft, the sealing box is communicated with an induced air pipe, and the induced air pipe is externally connected with cold air; the sealing wind seal is added on the basis of the traditional packing seal, the sealing effect is improved, no ash leaks even under the condition of loose packing seal, the field sanitation condition and the working environment of the bearing are improved, and the problems of blocking of the adjusting baffle and cracking of the bearing cover are effectively avoided.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present 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 a smoke baffle sealing device according to the present utility model;
FIG. 2 is a view showing a state of use of the smoke baffle sealing device provided by the utility model;
in the figure: 1: flue, 2: baffle, 3: drive shaft, 4: bearing, 5: packing, 6: sealing box, 7: air guiding pipe, 8: and a cold air duct.
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.
The utility model aims to provide a sealing device for a smoke baffle plate, which solves the problems that the existing adjusting baffle plate is easy to clamp and a bearing cover is easy to crack.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Example 1:
this embodiment provides a flue gas baffle sealing device, as shown in fig. 1 and 2, including flue 1, be equipped with baffle 2 in the flue 1, baffle 2 is connected with drive shaft 3, baffle 2 comprises the window leaf, the one end and the drive shaft 3 of window leaf are fixed, the other end of window leaf is supported on the lateral wall of flue 1 through the axle sleeve, drive shaft 3 is supported through bearing 4, and seal through packing 5, the outside cover of drive shaft 3 is equipped with seal box 6, and set up 2 mm's clearance between seal box 6's the terminal surface and drive shaft 3's the outside, seal box 6 and induced air pipe 7 intercommunication, induced air pipe 7 and cold wind channel 8 intercommunication realize external cold wind.
According to the flue gas baffle sealing device provided by the utility model, the sealing box 6 is arranged and externally connected with cold air, sealing air is added on the basis of traditional packing sealing, and cold air is introduced to serve as sealing air, so that dust in flue gas is effectively prevented from entering a bearing, sealing effect is improved, ash is not leaked even under the condition of loose packing sealing, on-site sanitation condition and working environment of the bearing are improved, and problems of blocking of an adjusting baffle and cracking of a bearing cover are effectively avoided.
The principles and embodiments of the present utility model have been described with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In summary, the present description should not be construed as limiting the utility model.
Claims (4)
1. The utility model provides a flue gas baffle sealing device, includes the flue, be equipped with the baffle in the flue, the baffle is connected with the drive shaft, the drive shaft supports through the bearing to seal through the packing, its characterized in that: the outside cover of drive shaft is equipped with the seal box, just set up the clearance between the terminal surface of seal box with the outside of drive shaft, seal box and induced air pipe intercommunication, the external cold wind of induced air pipe.
2. The smoke baffle sealing device according to claim 1, wherein: the baffle comprises the window leaf, the one end of window leaf with the drive shaft is fixed, the other end of window leaf passes through the axle sleeve support in on the lateral wall of flue.
3. The smoke baffle sealing device according to claim 1, wherein: the clearance between the end face of the sealing box and the outer side of the driving shaft is 1-2mm.
4. The smoke baffle sealing device according to claim 1, wherein: the induced air pipe is communicated with the cold air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321080507.3U CN220135494U (en) | 2023-05-08 | 2023-05-08 | Flue gas baffle sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321080507.3U CN220135494U (en) | 2023-05-08 | 2023-05-08 | Flue gas baffle sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220135494U true CN220135494U (en) | 2023-12-05 |
Family
ID=88952614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321080507.3U Active CN220135494U (en) | 2023-05-08 | 2023-05-08 | Flue gas baffle sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220135494U (en) |
-
2023
- 2023-05-08 CN CN202321080507.3U patent/CN220135494U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |