CN205663461U - Steam turbine vibration probe heat sink - Google Patents
Steam turbine vibration probe heat sink Download PDFInfo
- Publication number
- CN205663461U CN205663461U CN201620417975.9U CN201620417975U CN205663461U CN 205663461 U CN205663461 U CN 205663461U CN 201620417975 U CN201620417975 U CN 201620417975U CN 205663461 U CN205663461 U CN 205663461U
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- China
- Prior art keywords
- steam turbine
- vibration probe
- heat sink
- probe
- protective cover
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Abstract
The utility model discloses a steam turbine vibration probe heat sink, it is for being applied to the heat sink on the steam turbine vibration probe, involving vibrations probe safety cover, it is installed around the steam turbine vibration probe, the vibration probe safety cover at least the steam turbine axle head vapor seal of steam turbine outer shell with it avoids shaft -packing leakage directly to blow to be equipped with between the steam turbine vibration probe the safety cover wall of steam turbine vibration probe. Thereby avoid a gland leak -off directly to blow the vibration probe, reach the purpose that reduces near the temperature of steam turbine vibration probe.
Description
Technical field
This utility model relates to a kind of heat sink, especially relates to a kind of application at the vapour being provided with vibration measuring point probe
Steam Turbine Vibration probe heat sink on turbine.
Background technology
Steam Turbine Vibration probe is the requisite attached measuring cell of steam turbine, because vibration probe is arranged on steam turbine
Outside cylinder, near the axle envelope of steam turbine, if the shaft gland steam leakage that is in operation is bigger than normal, vibration probe can be made to be in high-temperature area work
Making, affect certainty of measurement and the service life of vibration probe, the method administered at present is to try to reduce shaft gland steam leakage, and reduces
The method of shaft gland steam leakage is to adjust axle envelope gap, only just can complete when steam turbine takes off cylinder, occur in steam turbine operation
The phenomenon that gland packing leakage increases, it is generally required to wait an overhaul life to process, because this time is long, and vibration probe is burned out
After the probe that can only more renew, add expense.
Utility model content
This utility model solves the technical problem that and is to provide a kind of Steam Turbine Vibration probe heat sink, prevents steam turbine just
In often running, gland packing leakage is bigger than normal and cause Steam Turbine Vibration probe to burn.
This utility model solves its technical problem and the technical scheme is that
A kind of Steam Turbine Vibration probe heat sink, wherein, comprising:
Vibration probe protective cover, it is arranged on Steam Turbine Vibration probe around；Described vibration probe protective cover is at least at vapour
It is provided with between the steam turbine shaft end gland seal of turbine outer shell and described Steam Turbine Vibration probe and avoids steamer described in shaft-packing leakage blow-through
The protective cover wall of machine vibration probe.
Above-mentioned Steam Turbine Vibration probe heat sink, wherein, it also includes:
Compressed gas tube, its port of export is introduced between described vibration probe protective cover and described Steam Turbine Vibration probe,
Its arrival end is connected with compressed gas source of the gas；And described compressed gas tube is provided with compressed gas cut-off gate.
Above-mentioned Steam Turbine Vibration probe heat sink, wherein, described vibration probe protective cover connects and is fixed on described
Steam Turbine Vibration probe upper end shell on or be fixed on described steam turbine outer shell.
Above-mentioned Steam Turbine Vibration probe heat sink, wherein, described vibration probe protective cover be annulus, plane shuttering panels,
Curved baffle or V-arrangement baffle plate.
Above-mentioned Steam Turbine Vibration probe heat sink, wherein, the gas of described compressed gas source of the gas is compressed air.
Above-mentioned Steam Turbine Vibration probe heat sink, wherein, described compressed gas tube is steel pipe.
Being learnt by described above, this utility model compared with prior art, can reach following effect really:
Near Steam Turbine Vibration is popped one's head in, install one by Steam Turbine Vibration of the present utility model probe heat sink additional to shake
Dynamic probe protective cover, can be effectively prevented from gland packing leakage blow-through Steam Turbine Vibration probe；Further, protect at vibration probe
Near guard shield with the high compressed gas tube of heat resistance at compressed gas source of the gas by compressed gas extraction, compressed gas tube
The port of export be connected in vibration probe protective cover, compressed gas makes in vibration probe protective cover empty in being passed through vibration probe protective cover
Gas high speed circulation reaches more effectively to reduce the purpose of temperature near Steam Turbine Vibration probe.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of an embodiment of Steam Turbine Vibration of the present utility model probe heat sink；
Fig. 2 is the schematic top plan view of the Steam Turbine Vibration of the present utility model probe heat sink shown in Fig. 1.
Main element label declaration:
1. turbine rotor 2. steam turbine outer shell 3. steam turbine shaft end gland seal
4. Steam Turbine Vibration is popped one's head in 5. vibration probe protective cover 6. compressed gas tubes
7. compressed gas cut-off gate 8. compressed gas source of the gas
Detailed description of the invention
In order to technical characteristic of the present utility model, purpose and effect are more clearly understood from, now comparison accompanying drawing explanation
Detailed description of the invention of the present utility model.
Steam Turbine Vibration of the present utility model probe heat sink shakes by installing one additional near Steam Turbine Vibration probe 4
Dynamic probe protective cover 5, it is arranged on around Steam Turbine Vibration probe 4；Described vibration probe protective cover 5 is at least at steam turbine outer shell
It is provided with between the steam turbine shaft end gland seal 3 of 2 and described Steam Turbine Vibration probe 4 and avoids Steam Turbine Vibration described in shaft-packing leakage blow-through
The protective cover wall of probe 4, can be effectively prevented from gland packing leakage blow-through Steam Turbine Vibration probe 4, effectively reduce Steam Turbine Vibration
Temperature near probe 4.
Refer to shown in Fig. 1, for the schematic cross-section of one of them embodiment of the present utility model.This Steam Turbine Vibration is visited
Head heat sink includes vibration probe protective cover 5, and it is arranged on around Steam Turbine Vibration probe 4；Described vibration probe protective cover 5
At least being provided with between the steam turbine shaft end gland seal 3 and described Steam Turbine Vibration probe 4 of steam turbine outer shell 2 avoids shaft-packing leakage straight
Blow the protective cover wall of described Steam Turbine Vibration probe 4.Concrete, this vibration probe protective cover 5 separates vapour by the cover wall arranged
Turbine shaft end gland seal 3 and Steam Turbine Vibration probe 4, block the gas leakage from steam turbine shaft end gland seal 3 and directly purge steam turbine
Vibration probe 4, it is to avoid Steam Turbine Vibration probe 4 makes the too high situation causing damaging of temperature because of gas leakage purging.
Further, in preferred embodiment, in order to more effectively reduce the temperature of Steam Turbine Vibration probe 4, on
The Steam Turbine Vibration probe heat sink stated also includes compressed gas tube 6, and its port of export is introduced to described vibration probe protective cover 5
With between described Steam Turbine Vibration probe 4, its arrival end is connected with compressed air bromhidrosis source；And set on described compressed gas tube 6
There is compressed gas cut-off gate 7.By controlling compressed gas cut-off gate 7, control compressed gas and blow in vibration probe protective cover 5,
Accelerate the air flowing around Steam Turbine Vibration probe 4, reduce rapidly temperature.
It is also preferred that the left in above-mentioned Steam Turbine Vibration probe heat sink, described vibration probe protective cover 5 can be to connect also
Be fixed on described Steam Turbine Vibration pop one's head in 4 upper ends shell on or be fixed on described steam turbine outer shell 2；Described vibration probe is protected
Fixed position that guard shield 5 is concrete and connected mode, as long as meeting just can intercept and visit in Steam Turbine Vibration by vibration probe protective cover 5
Between 4 and steam turbine means packing and do not affect turbine rotor and the work of Steam Turbine Vibration probe 4, for
For skilled person, numerous embodiments can realize this purpose, at this not to repeat.
It is also preferred that the left in above-mentioned Steam Turbine Vibration probe heat sink, described vibration probe protective cover 5 is annulus, plane
Baffle plate, curved baffle or V-arrangement baffle plate.As shown in Figures 1 and 2, this practicality for using the vibration probe protective cover 5 of annular is new
The schematic diagram of type, wherein the vibration probe protective cover 5 of this annular is looped around around described Steam Turbine Vibration probe 4, and has
Enough height, have separated steam turbine shaft end gland seal 3 and Steam Turbine Vibration probe 4, and the gas leakage preventing steam turbine shaft end gland seal 3 is straight
Steam out turbine vibration probe 4.The most in a further embodiment, described vibration probe protective cover 5 can also be provided in steamer
Plane shuttering panels between machine vibration probe 4 and steam turbine shaft end gland seal 3, the arc prominent to steam turbine shaft end gland seal 3 side gear
The structure of plate or V-arrangement baffle plate etc., it is achieved intercept the gas leakage blow-through Steam Turbine Vibration probe 4 of steam turbine shaft end gland seal 3, reduce steamer
The temperature of machine vibration probe 4 and ensure the normal work of Steam Turbine Vibration probe 4.
In preferred embodiment, the compressed gas that the compressed gas tube 6 of above-mentioned Steam Turbine Vibration probe heat sink connects
The gas in bromhidrosis source 8 is compressed air.Can certainly according to the on-the-spot practical situation of specific works, select the room temperature that closes on or
Low temperature source of the gas, is not limited to compressed air, it is also possible to be other gases.
In preferred embodiment, the described compressed gas tube 6 of above-mentioned Steam Turbine Vibration probe heat sink is steel pipe.More
Further, require as long as the material of described compressed gas tube 6 meets field working conditions, there is no concrete restriction.
Steam Turbine Vibration of the present utility model probe heat sink, as it has been described above, in one preferred embodiment, its work
Process is as follows:
As shown in Figures 1 and 2, the amplitude of Steam Turbine Vibration probe 4 monitoring turbine rotor 1, when steam turbine shaft end gland seal 3
When leakage vapour is bigger than normal, the temperature near Steam Turbine Vibration probe 4 can raise and cause Steam Turbine Vibration probe 4 to burn, for protection steamer
Machine vibration probe 4 installs vibration probe protective cover 5 the most in its vicinity, to avoid gland packing leakage blow-through Steam Turbine Vibration probe 4；
After vibration probe protective cover 5 is installed, the pressure being connected to compressed gas source of the gas 8 is installed near Steam Turbine Vibration probe 4 further
Contracting gas tube 6, this compressed gas tube 6 is received in vibration probe protective cover 5, is arranged on, by opening, the pressure compressed on its body shop 6
Contracting gas cut-off gate 7, makes the air high speed circulation in vibration probe protective cover 5, effectively reduces near Steam Turbine Vibration probe 4
Temperature, has reached the purpose that protection Steam Turbine Vibration probe will not be impaired because of the shaft-packing leakage of high temperature, thus has ensured steamer
The normal work of machine vibration probe.
The foregoing is only the schematic detailed description of the invention of this utility model, be not limited to model of the present utility model
Enclose.Any those skilled in the art, equivalent done on the premise of without departing from design of the present utility model and principle becomes
Change and amendment, the scope of this utility model protection all should be belonged to.
Claims (6)
1. a Steam Turbine Vibration probe heat sink, it is characterised in that comprising:
Vibration probe protective cover, it is arranged on Steam Turbine Vibration probe around；Described vibration probe protective cover is at least steam turbine
Being provided with between the steam turbine shaft end gland seal of outer shell and described Steam Turbine Vibration probe avoids steam turbine described in shaft-packing leakage blow-through to shake
The protective cover wall of dynamic probe.
2. Steam Turbine Vibration probe heat sink as claimed in claim 1, it is characterised in that it also includes:
Compressed gas tube, its port of export is introduced between described vibration probe protective cover and described Steam Turbine Vibration probe, and it enters
Mouth end is connected with compressed gas source of the gas；And described compressed gas tube is provided with compressed gas cut-off gate.
3. Steam Turbine Vibration probe heat sink as claimed in claim 2, it is characterised in that described vibration probe protective cover is even
Connect and be fixed on the shell of described Steam Turbine Vibration probe upper end or be fixed on described steam turbine outer shell.
4. Steam Turbine Vibration probe heat sink as claimed in claim 3, it is characterised in that described vibration probe protective cover is
Annulus, plane shuttering panels, curved baffle or V-arrangement baffle plate.
5. Steam Turbine Vibration probe heat sink as claimed in claim 4, it is characterised in that the gas of described compressed gas source of the gas
Body is compressed air.
6. Steam Turbine Vibration probe heat sink as claimed in claim 5, it is characterised in that described compressed gas tube is steel
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620417975.9U CN205663461U (en) | 2016-05-04 | 2016-05-04 | Steam turbine vibration probe heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620417975.9U CN205663461U (en) | 2016-05-04 | 2016-05-04 | Steam turbine vibration probe heat sink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205663461U true CN205663461U (en) | 2016-10-26 |
Family
ID=57159910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620417975.9U Active CN205663461U (en) | 2016-05-04 | 2016-05-04 | Steam turbine vibration probe heat sink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205663461U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499448A (en) * | 2016-11-22 | 2017-03-15 | 四川金象赛瑞化工股份有限公司 | A kind of safe axle system device of compressor and protection control method |
| CN110118110A (en) * | 2019-06-28 | 2019-08-13 | 连云港利德电力设备有限公司 | Gland-sealing cooler applied to steam turbine |
-
2016
- 2016-05-04 CN CN201620417975.9U patent/CN205663461U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499448A (en) * | 2016-11-22 | 2017-03-15 | 四川金象赛瑞化工股份有限公司 | A kind of safe axle system device of compressor and protection control method |
| CN110118110A (en) * | 2019-06-28 | 2019-08-13 | 连云港利德电力设备有限公司 | Gland-sealing cooler applied to steam turbine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |