CN211145341U - Sealing structure of novel gasification furnace - Google Patents
Sealing structure of novel gasification furnace Download PDFInfo
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- CN211145341U CN211145341U CN201921559630.7U CN201921559630U CN211145341U CN 211145341 U CN211145341 U CN 211145341U CN 201921559630 U CN201921559630 U CN 201921559630U CN 211145341 U CN211145341 U CN 211145341U
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- stuffing box
- main shaft
- groove
- rear side
- side plate
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Abstract
The utility model discloses a novel sealing structure of a gasification burner, which comprises an oil slinger, a stuffing box and a cover plate, wherein the oil slinger is arranged around a main shaft of a fan of the gasification burner and is in interference fit with the main shaft, and the oil slinger is positioned in a gap between a rear side plate of a casing of the gasification burner and the main shaft; the stuffing box is connected with the rear side plate, a first groove is arranged between the stuffing box and the main shaft, an asbestos packing is arranged in the first groove, and the cover plate is connected with the stuffing box and tightly presses the asbestos packing in the first groove. The sealing device is simple in structure and good in sealing performance, and can well meet the sealing requirement of the sealing device for conveying liquid media.
Description
Technical Field
The utility model belongs to the technical field of the gasification burner, concretely relates to novel seal structure of gasification burner.
Background
The conveying medium of the fan of the gasification furnace is generally gas or gas-solid mixture, and the extending shaft of the rear side plate of the gasification furnace can meet the sealing use requirement by adopting conventional plate materials. When the conveying medium of the fan of the gasification furnace is liquid, the requirement on the sealing performance of the extending shaft of the rear side plate of the gasification furnace is high, and the sealing structure of the rear side plate of the existing gasification furnace is difficult to meet the sealing requirement.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a novel seal structure of gasification burner, its simple structure, sealing performance is good, can satisfy its sealed requirement that is used for carrying liquid medium well.
The utility model adopts the following technical scheme:
a novel sealing structure of a gasification burner comprises an oil slinger, a stuffing box and a cover plate which are arranged around a main shaft of a fan of the gasification burner, wherein the oil slinger is in interference fit with the main shaft and is positioned in a gap between a rear side plate of a casing of the gasification burner and the main shaft;
the stuffing box is connected with the rear side plate, a first groove is arranged between the stuffing box and the main shaft, an asbestos packing is arranged in the first groove, and the cover plate is connected with the stuffing box and tightly presses the asbestos packing in the first groove.
Further, the stuffing box includes a seal portion projecting toward the slinger, the seal portion including a side wall spaced from the slinger by not more than 1 mm.
Further, the sealing part still includes the diapire, the cooperation interval of diapire and main shaft is 1 mm.
Further, the stuffing box comprises a first connecting part, and the first connecting part is detachably connected with the rear side plate through a first bolt connecting assembly.
Further, the first bolt connecting assembly is welded to the rear side plate in advance.
Furthermore, first connecting portion are equipped with the second trench, the second trench locate with the one side of posterior lateral plate contact, be equipped with O type sealing washer in the second trench.
Further, the stuffing box comprises a second connecting part, and the cover plate is detachably connected with the second connecting part through a second bolt connecting assembly.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a seal structure is through setting up the flinger rather than interference fit on the main shaft for the main shaft drives the flinger rotation when rotating, can reduce effectively that the oil stain overflows in the clearance of posterior lateral plate and main shaft. And through set up the stuffing box on the curb plate of back, utilize the apron to compress tightly asbestos packing in first trench simultaneously, can further reduce the oil stain and spill over from main shaft and curb plate of back. The sealing structure has simple structure and good sealing performance, and can well meet the sealing requirement of the gasification furnace for conveying liquid media.
Drawings
The technology of the present invention will be further described in detail with reference to the accompanying drawings and detailed description:
FIG. 1 is a schematic structural view of the novel vaporization furnace of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B in fig. 2.
Description of the labeling:
1. a main shaft; 2. a rear side plate; 3. a slinger; 31. an end face; 32. a boss portion; 4. a stuffing box; 41. a sealing part; 411. a side wall; 412. a bottom wall; 42. a first connection portion; 43. a first slot position; 44. a second slot position; 45. a second connecting portion; 5. a cover plate; 6. asbestos packing; 7. an O-shaped sealing ring; 8. a first bolt connection assembly; 9. and a second bolt connection assembly.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1-3, the utility model discloses a novel sealing structure of a gasification burner, which comprises an oil slinger 3, a stuffing box 4 and a cover plate 5 which are arranged around a main shaft 1 of a fan of the gasification burner, wherein the oil slinger 3 is in interference fit with the main shaft 1, and the oil slinger 3 is positioned in a gap between a rear side plate 2 of a casing of the gasification burner and the main shaft 1;
the stuffing box 4 is connected with the rear side plate 2, a first groove 43 is arranged between the stuffing box 4 and the main shaft 1, an asbestos packing 6 is arranged in the first groove 43, the cover plate 5 is connected with the stuffing box 4, and the asbestos packing 6 is tightly pressed in the first groove 43.
Wherein, the flinger 3 is positioned at the inner side of the shell of the vaporizing furnace, and the stuffing box 4 is positioned at the outer side of the shell of the vaporizing furnace.
The utility model discloses a seal structure is through setting up flinger 3 rather than interference fit on main shaft 1 for main shaft 1 drives flinger 3 and rotates when rotating, can reduce effectively that the oil stain overflows in the clearance of posterior lateral plate 2 and main shaft 1. And through set up the stuffing box 4 on the posterior lateral plate 2, utilize the apron 5 to compress tightly asbestos packing 6 in first trench 43 simultaneously, can further reduce the oil stain and spill over from main shaft 1 and posterior lateral plate 2. The sealing structure has simple structure and good sealing performance, and can well meet the sealing requirement of the gasification furnace for conveying liquid media.
As an example, as shown in fig. 1 to 3, the stuffing box 4 includes a sealing portion 41 protruding toward the slinger 3, the sealing portion 41 includes a side wall 411, and the side wall 411 is spaced from the end face 31 of the slinger 3 by a distance D1 of not more than 1mm, preferably 1mm, to reduce oil stain oozing from the main shaft 1. Specifically, the outer periphery of the slinger 3 is provided with a boss 32 extending toward the stuffing box 4, and the protrusion 32 is fitted with the seal portion 41 of the stuffing box 4 to further reduce the exudation of oil stain.
The sealing portion 41 further includes a bottom wall 412, and the fitting interval D2 between the bottom wall 412 and the main shaft 1 is 1mm to reduce the seepage of oil stains from the main shaft 1.
In the above embodiment, as shown in fig. 1 to 3, the stuffing box 4 includes the first connecting portion 42, and the first connecting portion 42 is detachably connected to the rear side plate 2 through the first bolt connecting assembly 8, so as to facilitate the disassembly and replacement of the stuffing box 4 or other components.
Specifically, the first bolt coupling assembly 8 is welded to the rear side plate 2 in advance.
The first connecting portion 42 is provided with a second groove 44, the second groove 44 is arranged on one side contacting with the rear side plate 2, and an O-shaped sealing ring 7 is arranged in the second groove 44. Specifically, the O-ring 7 is compressed between the rear side plate 2 and the first connecting portion 42 to prevent oil from leaking from the rear side plate 2.
In the above embodiment, as shown in fig. 1 to 3, the stuffing box 4 includes the second connecting portion 45, and the cover plate 5 is detachably connected to the second connecting portion 45 by the second bolt connecting assembly 9. So as to be convenient for dismounting and replacing the cover plate 5 and the asbestos packing 6.
Other contents of the sealing structure of the novel gasification burner in the utility model are referred to in the prior art and are not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.
Claims (7)
1. The novel sealing structure of the gasification burner is characterized by comprising an oil slinger, a stuffing box and a cover plate, wherein the oil slinger, the stuffing box and the cover plate are arranged around a main shaft of a fan of the gasification burner, the oil slinger is in interference fit with the main shaft, and the oil slinger is positioned in a gap between a rear side plate of a casing of the gasification burner and the main shaft;
the stuffing box is connected with the rear side plate, a first groove is arranged between the stuffing box and the main shaft, an asbestos packing is arranged in the first groove, and the cover plate is connected with the stuffing box and tightly presses the asbestos packing in the first groove.
2. The seal structure of claim 1, wherein the stuffing box includes a seal portion projecting toward the slinger, the seal portion including a side wall spaced from the slinger by no more than 1 mm.
3. The seal structure of claim 2, wherein the seal portion further includes a bottom wall, the bottom wall being cooperatively spaced from the spindle by 1 mm.
4. The seal structure of claim 1, wherein the stuffing box includes a first connection portion that is removably connected to the rear side plate by a first bolt connection assembly.
5. The seal structure of claim 4, wherein the first bolt connection assembly is pre-welded to the rear side plate.
6. The seal structure of claim 4, wherein the first connecting portion is provided with a second groove, the second groove is provided on a side contacting the rear side plate, and an O-ring is provided in the second groove.
7. The seal structure of claim 1, wherein the stuffing box includes a second connecting portion, the cover plate being removably connected to the second connecting portion by a second bolt connection assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921559630.7U CN211145341U (en) | 2019-09-18 | 2019-09-18 | Sealing structure of novel gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921559630.7U CN211145341U (en) | 2019-09-18 | 2019-09-18 | Sealing structure of novel gasification furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211145341U true CN211145341U (en) | 2020-07-31 |
Family
ID=71757912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921559630.7U Active CN211145341U (en) | 2019-09-18 | 2019-09-18 | Sealing structure of novel gasification furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211145341U (en) |
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2019
- 2019-09-18 CN CN201921559630.7U patent/CN211145341U/en active Active
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