CN215566142U - Smoke exhaust device for steam turbine disk carriage - Google Patents
Smoke exhaust device for steam turbine disk carriage Download PDFInfo
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- CN215566142U CN215566142U CN202122046846.7U CN202122046846U CN215566142U CN 215566142 U CN215566142 U CN 215566142U CN 202122046846 U CN202122046846 U CN 202122046846U CN 215566142 U CN215566142 U CN 215566142U
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- steam turbine
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- oil
- smoke exhaust
- connecting sleeve
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Abstract
Steam turbine disk wagon box fume extractor. The three-shoe oil shield of the steam turbine has the intermittent oil injection phenomenon, and the phenomenon is still not eliminated through adjusting the oil shield gap, cleaning the smoke exhaust hood and checking the smoke exhaust device of the main oil tank for many times. The utility model comprises the following components: the air-conditioner comprises a connecting sleeve (6), a filter screen (7), a sealing cover (3), a small fan (2) and an air guide cover (8), wherein the filter screen is fixed at the bottom of the connecting sleeve, an oil groove (9) is fixed at the top of the connecting sleeve, the sealing cover is buckled on the oil groove and fixed with the sealing cover, the top of the oil groove is fixed with the air guide cover, and the air guide cover is fixed at an air inlet of the small fan. The utility model is used for exhausting smoke in the steam turbine disc box.
Description
Technical Field
The utility model relates to a steam turbine disk box smoke exhaust device.
Background
The intermittent oil injection phenomenon exists in the three-tile oil damper of the steam turbine, the phenomenon is still not eliminated through adjusting the oil damper gap for many times, cleaning the smoke exhaust hood and checking the smoke exhaust device of the main oil tank, then the phenomenon is found to be the positive pressure phenomenon of oil smoke in the barring case through field inspection, research finds that the positive pressure in the barring case is caused by unsmooth smoke exhaust of the main oil tank, and when the pressure reaches a certain value, the oil smoke is injected to bring out the lubricating oil from the three-tile oil damper.
Disclosure of Invention
The utility model aims to solve the problem of intermittent oil injection of a three-shoe oil catch of a steam turbine and provides a smoke exhaust device of a steam turbine disc box for preventing lubricating oil from being sucked out.
The above purpose is realized by the following technical scheme:
a smoke exhaust device for a steam turbine disk compartment comprises a connecting sleeve, a filter screen, a sealing cover, a small fan and an air guide cover, wherein the filter screen is fixed at the bottom of the connecting sleeve, an oil groove is fixed at the top of the connecting sleeve, the sealing cover is buckled on the oil groove and is fixed with the sealing cover, the top of the oil groove is fixed with the air guide cover, and the air guide cover is fixed at an air inlet of the small fan.
The side surface of the sealing cover is provided with air outlet holes which are uniformly distributed.
The steam turbine disk wagon box fume extractor, the adapter sleeve be the hollow cover of cylinder.
Has the advantages that:
1. the utility model is provided with the sealing cover and the oil groove to form the flow guide part, so that the lubricating oil can be prevented from being sucked out, the suction force is reduced, and meanwhile, the top of the connecting sleeve is positioned at the bottom surface of the oil groove and is provided with the oil return hole, so that the overflowing lubricating oil can flow back to the interior of the rolling carriage.
2. The utility model is provided with the filter screen, so that the exhausted smoke can be filtered, and the effect of preliminarily reducing the suction force is achieved.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the installation site of the present invention;
in the figure: 1. an air outlet cover; 2. a small fan; 3. sealing the cover; 4. an air outlet; 5. a flow guide part; 6. connecting sleeves; 7. filtering with a screen; 8. a wind scooper; 9. an oil sump; 10. coiling the compartment; 12. A smoke exhaust device.
The specific implementation mode is as follows:
example 1:
a steam turbine plate wagon box smoke exhaust device comprises a connecting sleeve 6, a filter screen 7, a sealing cover 3, a small fan 2 and an air guide cover 8, wherein the filter screen is fixed at the bottom of the connecting sleeve, an oil groove 9 is fixed at the top of the connecting sleeve, the sealing cover is buckled on the oil groove and fixed with the sealing cover, the top of the oil groove is fixed with the air guide cover, and the air guide cover is fixed at an air inlet of the small fan.
Example 2:
according to the steam turbine disk box smoke exhaust device in the embodiment 1, the side surface of the sealing cover is provided with the uniformly arranged air outlet holes 4.
Example 3:
according to the steam turbine disk box smoke exhaust device in embodiment 1 or 2, the connecting sleeve is a cylindrical hollow sleeve.
The working principle is as follows: this fume extractor 12 is fixed in the smoke vent department of dish railway carriage 10, the flue gas passes through the filter screen and enters into in the connecting sleeve, through water conservancy diversion portion, because the top outlet flue of connecting sleeve highly is higher than the height of the venthole of closing cap, consequently, the flue gas enters into water conservancy diversion portion from the discharge of connecting sleeve top, then discharge through the venthole, finally discharge through air outlet cover 1 of small-size fan, this water conservancy diversion portion makes the flue gas form the route of bending, consequently, can reduce suction, simultaneously by the lubricating oil of suction can make it stay water conservancy diversion portion department through water conservancy diversion portion, then return to the dish railway carriage in the oil gallery through the connecting sleeve top.
Claims (3)
1. A steam turbine disk railway carriage fume extractor, characterized by: the air guide cover is fixed at the air inlet of the small fan.
2. The steam turbine disk box smoke exhaust device of claim 1, characterized in that: the side surface of the sealing cover is provided with air outlet holes which are uniformly distributed.
3. The steam turbine disk box smoke exhaust device of claim 2, characterized in that: the connecting sleeve is a cylindrical hollow sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122046846.7U CN215566142U (en) | 2021-08-27 | 2021-08-27 | Smoke exhaust device for steam turbine disk carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122046846.7U CN215566142U (en) | 2021-08-27 | 2021-08-27 | Smoke exhaust device for steam turbine disk carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215566142U true CN215566142U (en) | 2022-01-18 |
Family
ID=79843428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122046846.7U Active CN215566142U (en) | 2021-08-27 | 2021-08-27 | Smoke exhaust device for steam turbine disk carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215566142U (en) |
-
2021
- 2021-08-27 CN CN202122046846.7U patent/CN215566142U/en active Active
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