CN204345017U - The anti-aeration valve water leakage device of a kind of generator's motor shaft - Google Patents
The anti-aeration valve water leakage device of a kind of generator's motor shaft Download PDFInfo
- Publication number
- CN204345017U CN204345017U CN201420843617.5U CN201420843617U CN204345017U CN 204345017 U CN204345017 U CN 204345017U CN 201420843617 U CN201420843617 U CN 201420843617U CN 204345017 U CN204345017 U CN 204345017U
- Authority
- CN
- China
- Prior art keywords
- valve
- ball float
- adpting flange
- buffer unit
- float
- 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.)
- Withdrawn - After Issue
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000005273 aeration Methods 0.000 title claims abstract description 25
- 230000003139 buffering effect Effects 0.000 claims abstract description 4
- 230000004323 axial length Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
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- Float Valves (AREA)
Abstract
The utility model relates to the anti-aeration valve water leakage device of a kind of generator's motor shaft, comprise valve chamber, porous float valve is provided with in described valve chamber, described porous float valve is arranged on the below of aeration valve, when water level exceedes critical value, described porous float valve rises to aeration valve place for hindering water level, described porous float valve is provided with adpting flange, described adpting flange is provided with ball float casing, the bottom of described adpting flange is provided with bottom Buffer Unit, sidewall Buffer Unit is also provided with in described adpting flange, ball float is provided with between described sidewall Buffer Unit and bottom Buffer Unit, the top of described ball float is also provided with intermediate buffering assembly, the top of described ball float casing is provided with top cover labyrinth.The utility model has the pure feature such as automatic, simple, reliable; Utilize porous float valve, can prevent tail water from flowing backwards, water resistant impact force is strong, good airproof performance, and axial length is short, can reduce the vibration caused because dynamic balancing is bad.
Description
Technical field
The utility model belongs to generator fixture, is specifically related to the anti-aeration valve water leakage device of a kind of generator's motor shaft.
Background technique
The aeration valve operation of current installation is unreliable, in order to ensure to fill into necessary free air amount when producing convolution vortex rope and vacuum in draft tube, reducing tail water pressure pulsation, reducing unit vibration, prevent tail water from flowing backwards, aeration valve device is transformed very necessary.
Model utility content
The purpose of this utility model is solve the problems of the technologies described above and provide a kind of generator's motor shaft anti-aeration valve water leakage device.
For achieving the above object, the utility model adopts according to following technological scheme:
The anti-aeration valve water leakage device of a kind of generator's motor shaft, comprise valve chamber, porous float valve is provided with in described valve chamber, described porous float valve is arranged on the below of aeration valve, when water level exceedes critical value, described porous float valve rises to aeration valve place for hindering water level, described porous float valve is provided with adpting flange, described adpting flange is provided with ball float casing, the bottom of described adpting flange is provided with bottom Buffer Unit, sidewall Buffer Unit is also provided with in described adpting flange, ball float is provided with between described sidewall Buffer Unit and bottom Buffer Unit, the top of described ball float is also provided with intermediate buffering assembly, the top of described ball float casing is provided with top cover labyrinth.
Preferred as one, described adpting flange is connected with ball float casing by bolt, is also provided with O RunddichtringO between described acting flange and ball float casing.
Preferred as one, described top cover labyrinth is connected with ball float casing by bolt, and the joint of described top cover labyrinth and ball float casing is also provided with seal ring.
The utility model; Utilize porous float valve, can prevent tail water from flowing backwards, area of passage is large simultaneously, and resistance is little, and multiple ball float water resistant impact force is strong simultaneously, the diameter of multiple ball float is significantly less than single large ball, so sealed mouth diameter is little, good airproof performance, and axial length is short, lightweight, the vibration caused because dynamic balancing is bad can be reduced.
Accompanying drawing explanation
Figure 1 shows that the plan view of the utility model embodiment;
Fig. 2 be in Fig. 1 A-A to sectional view;
Fig. 3 be in Fig. 2 B-B to sectional view.
Embodiment
Below, in conjunction with example, substantive distinguishing features of the present utility model and advantage are further described, but the utility model is not limited to listed embodiment.
Refer to Fig. 1-3, the anti-aeration valve water leakage device of a kind of generator's motor shaft, comprise valve chamber 1, porous float valve 2 and aeration valve 3 is provided with in described valve chamber 1, described porous float valve 2 is arranged on the below of aeration valve 3, when water level exceedes critical value, described porous float valve 2 rises to aeration valve 3 place for hindering water level, described porous float valve 2 is provided with adpting flange 21, described adpting flange 21 is provided with ball float casing 22, the bottom of described adpting flange 21 is provided with bottom Buffer Unit 23, sidewall Buffer Unit 24 is also provided with in described adpting flange 21, ball float 25 is provided with between described sidewall Buffer Unit 24 and bottom Buffer Unit 23, the top of described ball float 25 is also provided with intermediate buffering assembly 28, the top of described ball float casing 22 is provided with top cover labyrinth 27.Described adpting flange 21 is connected with ball float casing 22 by bolt, is also provided with O RunddichtringO 29 between described acting flange 21 and ball float casing 22.Described top cover labyrinth 27 is connected with ball float casing 22 by bolt, and described top cover labyrinth 27 is also provided with seal ring 26 with the joint of ball float casing 22.
When unit plant is in outage state, when power plant tail water position is greater than 999m elevation, meet aeration valve 3 hair fastener or its valve disc seal failure, the structure of the present embodiment is conducive to preventing tail water from pouring in down a chimney, and is equivalent to increase more and seals together.When water level is lower than 999m elevation, ball float 25 falls to bottom Buffer Unit 23 owing to conducting oneself with dignity, and whole valve chamber is unimpeded, unit operation.When tail water degree of vacuum reaches tonifying Qi value, tonifying Qi is opened without impact to aeration valve 3 action, when tailwater level is greater than 999m elevation, ball float 25 raises under the effect of water buoyancy, blocks the perforate of valve chamber top and realizes seal action, work as unit operation, when tail water degree of vacuum reaches tonifying Qi value, in blowdown pipe, tailwater level declines, and ball float 25 falls to bottom Buffer Unit 23 owing to conducting oneself with dignity, realize air supply passage unimpeded, aeration valve 3 opens tonifying Qi.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. the anti-aeration valve water leakage device of generator's motor shaft, it is characterized in that, comprise valve chamber (1), porous float valve (2) and aeration valve (3) is provided with in described valve chamber (1), described porous float valve (2) is arranged on the below of aeration valve (3), when water level exceedes critical value, described porous float valve (2) rises to aeration valve (3) place for hindering water level, described porous float valve (2) is provided with adpting flange (21), described adpting flange (21) is provided with ball float casing (22), the bottom of described adpting flange (21) is provided with bottom Buffer Unit (23), sidewall Buffer Unit (24) is also provided with in described adpting flange (21), ball float (25) is provided with between described sidewall Buffer Unit (24) and bottom Buffer Unit (23), the top of described ball float (25) is also provided with intermediate buffering assembly (28), the top of described ball float casing (22) is provided with top cover labyrinth (27).
2. the anti-aeration valve water leakage device of a kind of generator's motor shaft according to claim 1, it is characterized in that, described adpting flange (21) is connected with ball float casing (22) by bolt, is also provided with O RunddichtringO (29) between described acting flange (21) and ball float casing (22).
3. the anti-aeration valve water leakage device of a kind of generator's motor shaft according to claim 2, it is characterized in that, described top cover labyrinth (27) is connected with ball float casing (22) by bolt, and described top cover labyrinth (27) is also provided with seal ring (26) with the joint of ball float casing (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843617.5U CN204345017U (en) | 2014-12-26 | 2014-12-26 | The anti-aeration valve water leakage device of a kind of generator's motor shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843617.5U CN204345017U (en) | 2014-12-26 | 2014-12-26 | The anti-aeration valve water leakage device of a kind of generator's motor shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204345017U true CN204345017U (en) | 2015-05-20 |
Family
ID=53228286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420843617.5U Withdrawn - After Issue CN204345017U (en) | 2014-12-26 | 2014-12-26 | The anti-aeration valve water leakage device of a kind of generator's motor shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204345017U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219040A (en) * | 2017-07-14 | 2017-09-29 | 华能澜沧江水电股份有限公司 | A kind of dynamic poise device for being used to simulate vertical hydropower generator |
| CN107587969A (en) * | 2017-10-30 | 2018-01-16 | 贵州乌江水电开发有限责任公司构皮滩发电厂 | A kind of big axle making-up air device of turbine-generator units and method |
-
2014
- 2014-12-26 CN CN201420843617.5U patent/CN204345017U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219040A (en) * | 2017-07-14 | 2017-09-29 | 华能澜沧江水电股份有限公司 | A kind of dynamic poise device for being used to simulate vertical hydropower generator |
| CN107587969A (en) * | 2017-10-30 | 2018-01-16 | 贵州乌江水电开发有限责任公司构皮滩发电厂 | A kind of big axle making-up air device of turbine-generator units and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150520 Effective date of abandoning: 20240110 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150520 Effective date of abandoning: 20240110 |