CN215723282U - Chain grate stoker front wall sealing device - Google Patents
Chain grate stoker front wall sealing device Download PDFInfo
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- CN215723282U CN215723282U CN202023139995.XU CN202023139995U CN215723282U CN 215723282 U CN215723282 U CN 215723282U CN 202023139995 U CN202023139995 U CN 202023139995U CN 215723282 U CN215723282 U CN 215723282U
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- sealing
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- steel plate
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Abstract
The utility model relates to the technical field of gap sealing devices, and discloses a chain grate front wall sealing device, which is structurally arranged between a front grate and a front wall water-cooled wall header and used for sealing a gap between the front grate and the front wall water-cooled wall header, and comprises a first sealing steel plate and a thin bent plate; the first sealing steel plate is vertically arranged on the front grate, one end of the thin bent plate is connected with the front grate, and the other end of the thin bent plate is connected with the front wall water-cooled wall header; the distance from the first sealing steel plate to the front wall water-cooled wall header is longer than the distance from the thin bent plate to the front wall water-cooled wall header. The improved sealing structure is not easy to damage, can ensure the continuous operation of the boiler, improves the working efficiency and increases the economic benefit of a power plant.
Description
Technical Field
The utility model relates to the field of gap sealing devices, in particular to a sealing device for a front wall of a chain grate.
Background
The structure before the sealing device for the front wall of the waste heat boiler combustion chamber adopts an outsourced metal expansion joint to seal a gap between the front wall and a fire grate, the metal expansion joint is easy to deform and damage the sealing device, the sealing device is not tight, and smoke is easy to leak. The continuous operation of the boiler is influenced in the operation process of the boiler, the atmospheric environmental pollution is also influenced, and the maintenance is troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: aiming at the problems, the chain grate front wall sealing device is provided, the steel plate is used for primary sealing, and the thin bent plate is used for secondary sealing, so that the sealing is tighter.
The technical scheme adopted by the utility model is as follows: a sealing device for a front wall of a traveling grate stoker is arranged between the front grate and a front wall water-cooled wall header and is used for sealing a gap between the front grate and the front wall water-cooled wall header; the first sealing steel plate is vertically arranged on the front grate, one end of the thin bent plate is connected with the front grate, and the other end of the thin bent plate is connected with the front wall water-cooled wall header; the distance from the first sealing steel plate to the front wall water-cooled wall header is longer than the distance from the thin bent plate to the front wall water-cooled wall header.
Furthermore, a second sealing steel plate and a supporting rib plate are installed on the front wall water-cooled wall header, and the second sealing steel plate is installed below the supporting rib plate.
Furthermore, one end of the thin bent plate is welded on the front grate, and the other end of the thin bent plate is welded on the second sealing steel plate.
Further, the second sealing steel plate is longer than the support rib plate.
Further, the thin bent plate is a continuous S-shaped metal bent plate.
Furthermore, the length of the first sealing steel plate is larger than the gap distance between the front grate and the front wall water-cooled wall header.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that: the sealing structure is not easy to damage, can ensure the continuous operation of the boiler, improves the working efficiency and increases the economic benefit of a power plant.
Drawings
Fig. 1 is a schematic view of a sealing device for a front wall of a traveling grate stoker according to an embodiment of the utility model.
Description of the drawings: 1-a first sealing steel plate, 2-a thin bent plate, 3-a second sealing steel plate and 4-a supporting rib plate.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example 1
As shown in fig. 1, the embodiment provides a sealing device for a front wall of a traveling grate stoker, which is structurally installed between the front grate and a front wall water wall header tank for sealing a gap between the front grate and the front wall water wall header tank, and comprises a first sealing steel plate and a thin bent plate.
Wherein, the first sealing steel plate is vertically arranged on the front grate and used for first sealing.
One end of the thin bent plate is connected to the front fire grate, and the other end of the thin bent plate is connected to the front wall water-cooled wall header box and used for secondary sealing.
The first sealing steel plate is not in contact with the front wall water-cooled wall header, the first sealing steel plate is located on the left side of the thin bent plate, and the distance from the first sealing steel plate to the front wall water-cooled wall header is longer than the distance from the thin bent plate to the front wall water-cooled wall header.
Example 2
The embodiment provides a sealing device for a front wall of a traveling grate stoker, which is structurally installed between the front grate and a front wall water-cooled wall header tank and used for sealing a gap between the front grate and the front wall water-cooled wall header tank.
Wherein, the first sealing steel plate is vertically arranged on the front grate and used for first sealing.
The front wall water-cooled wall header is provided with a second sealing steel plate and a supporting rib plate, the second sealing steel plate is arranged below the supporting main plate, and the second sealing steel plate is longer than the supporting rib plate.
One end of the thin bent plate is welded on the front grate, and the other end of the thin bent plate is welded on the second sealing steel plate and used for secondary sealing.
The second sealing steel plate transversely extends out of the front wall water-cooled wall header and is connected with the thin bent plate, so that the transverse gap is sealed, and the second sealing steel plate is matched with the thin bent plate in the axial direction, so that the whole gap is sealed.
Example 3
The present embodiment is basically the same as the embodiments 1 and 2, and the difference is that, on the basis of embodiment 1 or 2, the thin bent plate is preferably a continuous S-shaped metal bent plate, and the formed bent plate has certain elasticity and is not easy to damage, so that the service life of the sealing device can be prolonged.
Example 4
The present embodiment is substantially the same as the technical solutions of embodiment 1 and embodiment 2, and the difference is that on the basis of embodiment 1 and embodiment 2, the length of the first sealing steel plate is preferably larger than the gap between the front furnace grate and the front wall water wall header, which is beneficial to achieving the first sealing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a chain grate stoker front wall sealing device, this sealing device install between front grate and front wall water-cooling wall collection case for seal clearance between the two, its characterized in that: the sealing device comprises a first sealing steel plate and a thin bent plate; the first sealing steel plate is vertically arranged on the front grate, one end of the thin bent plate is connected with the front grate, and the other end of the thin bent plate is connected with the front wall water-cooled wall header; the distance from the first sealing steel plate to the front wall water-cooled wall header is longer than the distance from the thin bent plate to the front wall water-cooled wall header.
2. The traveling grate stoker front wall sealing device of claim 1, wherein a second sealing steel plate and a support rib plate are mounted on the front wall water wall header, and the second sealing steel plate is mounted below the support rib plate.
3. The sealing device for the front wall of the traveling grate stoker of claim 2, wherein one end of the thin bent plate is welded to the front grate, and the other end of the thin bent plate is welded to the second sealing steel plate.
4. The seal for a traveling grate stoker front wall as claimed in claim 2, wherein said second seal plate is longer than said support rib.
5. The sealing device for the front wall of the traveling grate stoker of any one of claims 1 to 4, wherein the thin bent plate is a continuous S-shaped metal bent plate.
6. The sealing device for the front wall of the traveling grate stoker of any one of claims 1 to 4, wherein the length of the first sealing steel plate is greater than the gap distance between the front grate and the water wall header of the front wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023139995.XU CN215723282U (en) | 2020-12-23 | 2020-12-23 | Chain grate stoker front wall sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023139995.XU CN215723282U (en) | 2020-12-23 | 2020-12-23 | Chain grate stoker front wall sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215723282U true CN215723282U (en) | 2022-02-01 |
Family
ID=79985352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023139995.XU Active CN215723282U (en) | 2020-12-23 | 2020-12-23 | Chain grate stoker front wall sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215723282U (en) |
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2020
- 2020-12-23 CN CN202023139995.XU patent/CN215723282U/en active Active
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