CN211081989U - Steam seal device of steam turbine generator - Google Patents
Steam seal device of steam turbine generator Download PDFInfo
- Publication number
- CN211081989U CN211081989U CN201921646941.7U CN201921646941U CN211081989U CN 211081989 U CN211081989 U CN 211081989U CN 201921646941 U CN201921646941 U CN 201921646941U CN 211081989 U CN211081989 U CN 211081989U
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- China
- Prior art keywords
- air chamber
- ring
- sealing ring
- hole
- turbine generator
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Abstract
The utility model discloses a turbo generator vapor seal device, including outside pressure disk, air chamber ring sum internal seal ring, the outside pressure disk is installed to one side of air chamber ring, and the air chamber ring one side of keeping away from the outside pressure disk is provided with annular air chamber, the intermediate position department of outside pressure disk is provided with second turbo generator shaft hole, the intermediate position department of air chamber ring is provided with first turbo generator shaft hole, the internal seal ring of annular air chamber's internally mounted. The utility model discloses install air chamber ring sum inside sealing ring, through installing inside sealing ring in the inside of air chamber ring, make the outside of inside sealing ring and the inboard laminating of air chamber ring, then directly let in circulation air conditioning to annular air chamber inside through the air vent on the inside sealing ring, the air chamber ring is inseparabler with the installation of inside sealing ring, can improve the gas tightness of device, prevents that steam from spilling from the through-hole position department of air chamber ring sum inside sealing ring.
Description
Technical Field
The utility model relates to a turbo generator equipment technical field specifically is a turbo generator vapor seal device.
Background
The turbonator is a kind of alternating current motor, it is a kind of synchronous generator, the turbonator is driven by the steam turbine, the superheated steam produced by "boiler" enters the steam turbine to expand and do work, make the blade rotate and drive the generator to generate electricity, the exhaust steam after doing work is returned to the boiler for cycle use through the steam condenser, circulating water pump, condensate pump, feed water heating device, etc., the turbonator needs to use the steam seal device to seal in the using process, prevent the steam from leaking from both ends, most of the existing turbonator steam seal devices directly press-fit the internal seal ring and the air chamber ring, the circulating cold air is introduced into the annular air chamber through the through hole on the seal ring and the air chamber ring, form the air curtain wall, play the effect of isolating steam, however, in the actual using process, the internal seal ring is difficult to be closely attached to the air chamber ring, and the position of the internal seal, the gas tightness is relatively poor, and gas leakage phenomenon is comparatively serious, and simultaneously, current turbo generator steam seal device is when installation and change, and the dismouting process of inside sealing ring and air chamber ring is comparatively inconvenient, and causes the part to damage easily at the dismouting in-process, influences the gas tightness, and consequently, novel turbo generator steam seal device's research and development receives more and more researcher's attention.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a turbo generator vapor seal device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a turbo generator vapor seal device, includes outside pressure disk, air chamber ring sum inside sealing ring, the outside pressure disk is installed to one side of air chamber ring, and the air chamber ring one side of keeping away from the outside pressure disk is provided with annular air chamber, the intermediate position department of outside pressure disk is provided with second turbo generator shaft hole, the intermediate position department of air chamber ring is provided with first turbo generator shaft hole, the internally mounted of annular air chamber has inside sealing ring, and the intermediate position department of inside sealing ring is provided with third turbo generator shaft hole, the outside symmetry of air chamber ring is provided with a set of spacing hole of installation, the bottom that the air chamber ring is close to outside pressure disk one side is provided with the second ventilation hole, the outside pressure disk just is provided with first air vent to second ventilation hole position department, first air vent and second ventilation hole intercommunication.
Preferably, the inside sealing ring outside all is provided with the mounting hole just to the spacing hole position department of installation, spacing spring is all installed to the inside of mounting hole, and the spacing spring is kept away from the one end of inside sealing ring and all installs the installation stopper of mutually supporting with the spacing hole of installation.
Preferably, nine groups of vent holes are uniformly formed in the inner sealing ring, and an included angle between every two adjacent vent holes is forty degrees.
Preferably, the outer sides of the mounting limiting blocks are provided with anti-skid lines.
Preferably, the outer sides of the limiting springs are provided with anti-rust layers.
Preferably, the outer platen and the plenum ring have the same diameter.
Compared with the prior art, the beneficial effects of the utility model are that: this turbonator vapor seal device installs air chamber ring sum inside sealing ring, through installing inside sealing ring in the inside of air chamber ring, make the outside of inside sealing ring and the inboard laminating of air chamber ring, then directly let in circulation air conditioning to annular air chamber inside through the air vent on the inside sealing ring, the air chamber ring is inseparabler with the installation of inside sealing ring, can improve the gas tightness of device, prevent that steam from leaking from the through-hole position department of air chamber ring sum inside sealing ring, and simultaneously, install installation stopper and spacing spring on the inside sealing ring, be provided with the spacing hole of installation of mutually supporting with the installation stopper on the air chamber ring, can pull down inside sealing ring from the air chamber intra-annular portion fast through pressing down the spacing hole of installation, the dismouting process of device is comparatively convenient, be convenient for change and maintain the part.
Drawings
Fig. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of the air chamber ring of the present invention;
FIG. 3 is a schematic cross-sectional view of the inner seal ring of the present invention;
fig. 4 is a schematic cross-sectional view of the outer platen of the present invention.
In the figure: 1. a first vent hole; 2. a second vent hole; 3. a first turbine generator shaft bore; 4. a second turbine generator shaft bore; 5. an outer platen; 6. an air chamber ring; 7. an inner seal ring; 8. installing a limiting block; 9. a limiting spring; 10. a vent hole; 11. an annular air chamber; 12. a third turbine generator shaft hole; 13. mounting holes; 14. and installing a limiting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: a steam seal device of a steam turbine generator comprises an outer side pressure plate 5, an air chamber ring 6 and an inner sealing ring 7, wherein the outer side pressure plate 5 is arranged on one side of the air chamber ring 6, and one side of the air chamber ring 6, which is far away from the outer side pressure plate 5, is provided with an annular air chamber 11, the middle position of the outer side pressure plate 5 is provided with a second steam turbine generator shaft hole 4, the middle position of the air chamber ring 6 is provided with a first steam turbine generator shaft hole 3, the inside of the annular air chamber 11 is provided with an inner sealing ring 7, and the middle position department of inside sealing ring 7 is provided with third turbo generator shaft hole 12, and the outside symmetry of air chamber ring 6 is provided with a set of installation spacing hole 14, and the bottom that air chamber ring 6 is close to outside pressure disk 5 one side is provided with second ventilation hole 2, and outside pressure disk 5 just is provided with first air vent 1 to second ventilation hole 2 position department, first air vent 1 and second ventilation hole 2 intercommunication.
In this implementation:
further, the outside of the inner sealing ring 7 is just provided with the mounting hole 13 to the position department of the mounting limit hole 14, the inside of the mounting hole 13 is all provided with the limit spring 9, and the one end of the limit spring 9 far away from the inner sealing ring 7 is all installed with the mounting limit block 8 mutually matched with the mounting limit hole 14, the inner sealing ring 7 can be detached from the inside of the air chamber ring 6 quickly by pressing the mounting limit hole 14, the dismounting process of the device is convenient, and the parts can be replaced and maintained conveniently.
Further, the inside of inside sealing ring 7 evenly is provided with nine sets of air vents 10, and the contained angle between the adjacent air vents 10 is forty degrees for circulation air conditioning can evenly let in annular air chamber 11.
Further, the outer side of the installation limiting block 8 is provided with anti-skid lines, so that the installation limiting block 8 can be conveniently pressed.
Furthermore, the outer side of the limiting spring 9 is provided with an anti-rust layer, which is beneficial to prolonging the service life of the limiting spring 9.
Further, the diameter of the outer side pressure plate 5 is the same as that of the air chamber ring 6, so that the outer side pressure plate 5 and the air chamber ring 6 can be attached more tightly, and the air tightness is favorably improved.
The working principle is as follows: when the device is installed, the inner sealing ring 7 is placed in the air chamber ring 6, the outer side of the inner sealing ring 7 is attached to the inner side of the air chamber ring 6, the installation hole 13 in the inner sealing ring 7 is aligned with the installation limiting hole 14 in the air chamber ring 6, the installation limiting block 8 is bounced into the installation limiting hole 14 by the elastic action of the limiting spring 9, the position of the inner sealing ring 7 is fixed, the installation process of the device is completed, a turbonator shaft passes through the second turbonator shaft hole 4, the first turbonator shaft hole 3 and the third turbonator shaft hole 12, circulating cold air is introduced into the annular air chamber 11 through the air vent 10, an air curtain wall can be formed inside the annular air chamber 11, steam can be prevented from leaking, when the air pressure inside the annular air chamber 11 is high, the redundant cold air enters the first air vent 1 through the second air vent 2 and then is discharged out, when the device needs to be overhauled, the installation limiting block 8 can be pressed firstly, the installation limiting block 8 is pressed into the installation hole 13, the limitation on the inner sealing ring 7 is removed, then the inner sealing ring 7 can be taken out from the inner part of the air chamber ring 6, the outer side pressure plate 5, the air chamber ring 6 and the inner sealing ring 7 are overhauled or replaced respectively, and after the overhaul is finished, the steps are repeated, and the inner sealing ring 7 is reinstalled inside the air inlet chamber ring 6.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a turbo generator vapor seal device, includes outside pressure disk (5), air chamber ring (6) and inside sealing ring (7), its characterized in that: an outer side pressure plate (5) is installed on one side of an air chamber ring (6), an annular air chamber (11) is arranged on one side, far away from the outer side pressure plate (5), of the air chamber ring (6), a second turbine generator shaft hole (4) is formed in the middle position of the outer side pressure plate (5), a first turbine generator shaft hole (3) is formed in the middle position of the air chamber ring (6), an inner sealing ring (7) is installed inside the annular air chamber (11), a third turbine generator shaft hole (12) is formed in the middle position of the inner sealing ring (7), a group of installation limiting holes (14) are symmetrically formed in the outer side of the air chamber ring (6), a second vent hole (2) is formed in the bottom, close to one side of the outer side pressure plate (5), of the air chamber ring (6), and a first vent hole (1) is formed in the position of the second vent hole (2), the first vent hole (1) is communicated with the second vent hole (2).
2. The steam seal device of a steam turbine generator as claimed in claim 1, wherein: the utility model discloses an installation limiting structure, including inside sealing ring (7), installation limiting spring (9), inside sealing ring (7) outside is just all being provided with mounting hole (13) to installation limiting hole (14) position department, limiting spring (9) are all installed to the inside of mounting hole (13), and the one end that inside sealing ring (7) were kept away from in limiting spring (9) all installs installation limiting block (8) of mutually supporting with installation limiting hole (14).
3. The steam seal device of a steam turbine generator as claimed in claim 1, wherein: nine groups of vent holes (10) are uniformly arranged in the inner sealing ring (7), and the included angle between every two adjacent vent holes (10) is forty degrees.
4. The steam seal device of a steam turbine generator as claimed in claim 2, wherein: the outer sides of the mounting limiting blocks (8) are provided with anti-skid lines.
5. The steam seal device of a steam turbine generator as claimed in claim 2, wherein: and the outer sides of the limiting springs (9) are provided with anti-rust layers.
6. The steam seal device of a steam turbine generator as claimed in claim 1, wherein: the diameter of the outer side pressing plate (5) is the same as that of the air chamber ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921646941.7U CN211081989U (en) | 2019-09-30 | 2019-09-30 | Steam seal device of steam turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921646941.7U CN211081989U (en) | 2019-09-30 | 2019-09-30 | Steam seal device of steam turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211081989U true CN211081989U (en) | 2020-07-24 |
Family
ID=71628570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921646941.7U Expired - Fee Related CN211081989U (en) | 2019-09-30 | 2019-09-30 | Steam seal device of steam turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211081989U (en) |
-
2019
- 2019-09-30 CN CN201921646941.7U patent/CN211081989U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200724 Termination date: 20200930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |