CN202520958U - Gas sealing system for hydrogenerator - Google Patents
Gas sealing system for hydrogenerator Download PDFInfo
- Publication number
- CN202520958U CN202520958U CN2012201065014U CN201220106501U CN202520958U CN 202520958 U CN202520958 U CN 202520958U CN 2012201065014 U CN2012201065014 U CN 2012201065014U CN 201220106501 U CN201220106501 U CN 201220106501U CN 202520958 U CN202520958 U CN 202520958U
- Authority
- CN
- China
- Prior art keywords
- gas
- sealing system
- pipe
- cavity
- condenser
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to a gas sealing system for a hydrogenerator. The gas sealing system comprises a gas inlet pipe, a sealing cavity, an oil discharge mist pipe, a gas discharge pipe and a condenser, wherein the sealing cavity comprises a gas inlet cavity and a gas discharge cavity; the gas inlet cavity is connected with the gas inlet pipe; the gas discharge cavity is connected with the gas discharge pipe, and a stop valve is arranged on the gas inlet pipe; the gas discharge cavity is connected with the condenser through the gas discharge pipe; and the oil discharge mist pipe is connected with the condenser. The gas sealing system has the advantages of simple manufacturing process, low cost, convenience in installation and maintenance, simplicity and practicability.
Description
Technical field
The utility model relates to a kind of gas-tight sealing system of rotaty, especially relates to a kind of hydraulic turbine generator gas-tight sealing system of rotaty.
Background technique
The effect of the hydraulic turbine generator sealing in the generating machinery is that the gap of blockading between rotating part and the standing part leaks, and the quality of sealability directly influences the safe and stable operation of unit.
Traditional hydraulic generator thrust bearing adopts packing seal structure; The sealing structure is when generator operation, and mist of oil gets into generator inside easily, can produce oil leakage phenomenon when serious; Greatly reduce the insulating property of generator stator and rotor, influence the working life of generator.
The model utility content
To the actual demand of hydraulic turbine generator, overcome the shortcoming of generator thrust bearing conventional seals structure, the utility model provides a kind of hydraulic turbine generator gas-tight sealing system of rotaty.
A kind of hydraulic turbine generator gas-tight sealing system of rotaty, described gas-tight sealing system of rotaty comprise suction tude, Seal cage, oil extraction mist pipe, outlet pipe and condenser; Described Seal cage comprises air-inlet cavity and exhaust cavity, and air-inlet cavity is connected to suction tude, and exhaust cavity is connected to outlet pipe, and suction tude is provided with stop valve, and exhaust cavity links to each other with condenser through outlet pipe, and oil extraction mist pipe links to each other with condenser.
Preferably, said oil extraction mist pipe is formed by connecting through insulating joint the more piece pipeline.
Preferably, said suction tude is formed by connecting through insulating joint the more piece pipeline.
Preferably, said outlet pipe is formed by connecting through insulating joint the more piece pipeline.
Preferably, described Seal cage adopts the copper bar sealing.
The utility model manufacturing process is simple, cost is low, installation and maintenance are convenient, not only simply but also practical.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the partial enlarged drawing of I structure among the utility model Fig. 1.
Fig. 3 is the partial enlarged drawing of II structure among the utility model Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further, but the protection domain of the utility model is not limited to this.
With reference to Fig. 1 ~ 3, a kind of hydraulic turbine generator gas-tight sealing system of rotaty comprises suction tude 1, Seal cage 7, oil extraction mist pipe 3, outlet pipe 5 and condenser 6; Described Seal cage 7 comprises air-inlet cavity 9 and exhaust cavity 10, and air-inlet cavity 9 is connected to suction tude 1, and suction tude 1 is formed by connecting through insulating joint 4 on 6 pipe joint roads; Exhaust cavity 10 is connected to outlet pipe 5, and outlet pipe 5 is formed by connecting through insulating joint 4 on 6 pipe joint roads.
Suction tude 1 is provided with stop valve 2, can regulate suction pressure.Exhaust cavity 10 links to each other with condenser 6 through outlet pipe 5, and oil extraction mist pipe 3 links to each other with condenser 6, and oil extraction mist pipe 3 is formed by connecting through insulating joint 4 on 5 pipe joint roads, and mist of oil is caused condenser.Seal cage 7 adopts the copper bar sealing, and copper strips 8 closely contacts with electric machine main shaft.
This system introduces Seal cage 7 by suction tude 1 with near the high-pressure air the rotor fan, and Seal cage 7 has two, and one is air-inlet cavity 9; One is exhaust cavity 10, and air-inlet cavity 9 internal air pressures are higher than exhaust cavity 10 internal air pressures, and air constantly gets in the exhaust cavity 10 in the air-inlet cavity 9; Exhaust cavity 10 is connected to outlet pipe 5, and outlet pipe 5 links to each other with condenser 6, and the air in the exhaust cavity 10 is caused condenser 6; Oil extraction mist pipe 3 links to each other with condenser 6; Mist of oil is caused condenser 6, make mist of oil can not pass two Seal cages, reach the effect of sealing.
Claims (5)
1. hydraulic turbine generator gas-tight sealing system of rotaty, it is characterized in that: described gas-tight sealing system of rotaty comprises suction tude, Seal cage, oil extraction mist pipe, outlet pipe and condenser; Described Seal cage comprises air-inlet cavity and exhaust cavity, and air-inlet cavity is connected to suction tude, and exhaust cavity is connected to outlet pipe, and suction tude is provided with stop valve, and exhaust cavity links to each other with condenser through outlet pipe, and oil extraction mist pipe links to each other with condenser.
2. according to the described hydraulic turbine generator gas-tight sealing system of rotaty of claim 1, it is characterized in that: said oil extraction mist pipe is formed by connecting through insulating joint the more piece pipeline.
3. according to the described hydraulic turbine generator gas-tight sealing system of rotaty of claim 1, it is characterized in that: said suction tude is formed by connecting through insulating joint the more piece pipeline.
4. according to the described hydraulic turbine generator gas-tight sealing system of rotaty of claim 1, it is characterized in that: said outlet pipe is formed by connecting through insulating joint the more piece pipeline.
5. according to the described hydraulic turbine generator gas-tight sealing system of rotaty of claim 1, it is characterized in that: described Seal cage adopts the copper bar sealing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012201065014U CN202520958U (en) | 2012-03-21 | 2012-03-21 | Gas sealing system for hydrogenerator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012201065014U CN202520958U (en) | 2012-03-21 | 2012-03-21 | Gas sealing system for hydrogenerator |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202520958U true CN202520958U (en) | 2012-11-07 |
Family
ID=47103910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012201065014U Expired - Fee Related CN202520958U (en) | 2012-03-21 | 2012-03-21 | Gas sealing system for hydrogenerator |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202520958U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107191597A (en) * | 2017-07-10 | 2017-09-22 | 张宏伟 | Generating sump anti-oil mist overflowing and condensation deposition structure |
CN112555422A (en) * | 2020-11-02 | 2021-03-26 | 中国长江电力股份有限公司 | Self-pumping self-adjusting infinite circulation sealing system and using method |
-
2012
- 2012-03-21 CN CN2012201065014U patent/CN202520958U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107191597A (en) * | 2017-07-10 | 2017-09-22 | 张宏伟 | Generating sump anti-oil mist overflowing and condensation deposition structure |
CN107191597B (en) * | 2017-07-10 | 2018-11-27 | 张宏伟 | Generate electricity sump anti-oil mist overflowing and condensation deposition structure |
CN112555422A (en) * | 2020-11-02 | 2021-03-26 | 中国长江电力股份有限公司 | Self-pumping self-adjusting infinite circulation sealing system and using method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201627605U (en) | Sealing and heat insulation structure at vortex end of turbocharger | |
CN203547804U (en) | Airtight turbine shaft seal system | |
CN202520958U (en) | Gas sealing system for hydrogenerator | |
CN205877186U (en) | High -speed MVR vapor compressor sealing device of single -stage | |
CN204783137U (en) | High middling pressure integral type inner casing structure of steam turbine | |
CN108019243B (en) | Turbine with integral bearing seat | |
CN203258075U (en) | Dual-seal oil catch device | |
DE502008001026D1 (en) | Method for operating an electric generator for power generation in power plants | |
CN203098201U (en) | Oil-free lubrication compressor efficient cooling packing sealing device | |
CN104929699B (en) | A pressurized sealing grate | |
CN203362380U (en) | Hermetic sealing device with external power for hydraulic turbine generator | |
CN203685664U (en) | Turbocharger compressor combination sealing structure | |
CN201568568U (en) | Sealing structure at pressure end of turbocharger | |
CN202866911U (en) | Turbine high-pressure cylinder structure | |
CN105422197A (en) | Double-layer steam cylinder of high-back-pressure steam turbine | |
CN202611779U (en) | Double-seal-ring and double-oil-cavity middle body structure for turbocharger | |
CN102305105B (en) | Sealing structure of screw expander | |
CN200993028Y (en) | Steam turbine low-pressure shaft seal water-sealing system | |
CN102242714A (en) | Compound seal device of claw type dry vacuum pump | |
CN204344172U (en) | A kind of zero leakage organic working medium power engine | |
CN204646766U (en) | A kind of centrifugal compressor with high pressure sealing gland | |
CN201826902U (en) | Vacuum sealing system of steam turbine | |
CN203655641U (en) | Shaft sealing structure of water vapor screw rod compressor | |
CN201771723U (en) | Shaft end combined seal for compressor/turbine | |
CN205135733U (en) | Be applied to novel whole high -and medium -voltage inner casing of overcritical steam turbine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20160321 |