CN2852498Y - Evaporating, cooling and circulating device for hydro-turbo generator stator slip-ring - Google Patents
Evaporating, cooling and circulating device for hydro-turbo generator stator slip-ring Download PDFInfo
- Publication number
- CN2852498Y CN2852498Y CN 200520036094 CN200520036094U CN2852498Y CN 2852498 Y CN2852498 Y CN 2852498Y CN 200520036094 CN200520036094 CN 200520036094 CN 200520036094 U CN200520036094 U CN 200520036094U CN 2852498 Y CN2852498 Y CN 2852498Y
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- China
- Prior art keywords
- collector
- collector ring
- stator
- condenser
- heater
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- 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 - Lifetime
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Abstract
The utility model discloses an evaporating, cooling and circulating system for a hydro-turbo generator slip ring, which comprises a stator slip ring heating body dipped with evaporating mediums, and a condenser system carrying out heat exchange with cooling medium steam, wherein one end of the stator slip ring heating body is successively communicated with the bottom of a condenser through a total liquid collection pipe of the slip ring heating body and a liquid return pipe of the slip ring heating body, and the other end is communicated with a total steam collection pipe of the slip ring heating body. The total steam collection pipe of the slip ring heating body is communicated with the upper part of the condenser then through a steam collection pipe of the slip ring heating body. The utility model adopts the evaporating, cooling and circulating system, the manufacture difficulty of an overall-sized generator is reduced, the operation temperature rise and the temperature difference of a generator stator slip ring, and the heat stress of a generator stator are reduced, and the possibility that an accident can be caused by leakage and oxide blocking is also eliminated.
Description
Technical field
The utility model relates to the cooling device of hydraulic generator stator, particularly a kind of hydraulic generator stator collector ring evaporation cooling circulation unit.
Background technology
Along with improving constantly of hydraulic generator single-machine capacity, the heat load of motor also significantly increases, and the temperature rise of the collector ring that causes therefrom, the temperature difference are all in aggravation.Therefore, reducing motor collector ring temperature rise and improve the uniformity of Temperature Distribution, is vital to the reliability service of high-rating generator.The cooling that present traditional evaporation cooling technique has also only solved the stator winding heater, and stator collector ring heater still adopts the air cooling mode.
Summary of the invention
The purpose of this utility model provides a kind of hydraulic generator stator collector ring evaporation cooling circulation unit, not only improved stock utilization, reduce super-huge generator and make difficulty, and reduce operation temperature rise and the temperature difference and the generator unit stator thermal stress of generator unit stator collector ring.
The technical solution of the utility model is as follows:
A kind of hydraulic generator stator collector ring evaporation cooling circulation unit, it is characterized in that: comprise stator collector ring heater that is soaked with evaporative medium and the condenser system that carries out heat exchange with coolant steam, one end of described stator collector ring heater is communicated with the condenser bottom by the total collector tube of collector ring heater, collector ring heater liquid back pipe successively, its other end is communicated with the total steam collector of collector ring heater, and the total steam collector of collector ring heater is communicated with the top of condenser by collector ring heater steam collector again.
Described condenser system comprises two or more condensers, and is provided with the grading ring pipe that each condenser is interconnected between condenser.
Described stator collector ring heater is horizontal type structure.
Described condenser bottom is provided with collector ring heater liquid back pipe and stator winding heater liquid back pipe, the bottom of collector ring heater liquid back pipe is higher than the bottom of stator winding heater liquid back pipe, and the top of collector ring heater liquid back pipe is lower than the top of stator winding heater liquid back pipe; One end of described collector ring heater liquid back pipe is communicated with the condenser bottom, the other end is communicated with stator collector ring heater by the total collector tube of collector ring heater, the other end of stator collector ring heater is communicated with the total steam collector of collector ring heater, and the total steam collector of collector ring heater is communicated with the top of condenser by collector ring heater steam collector again; One end of described heating in winding body liquid back pipe is communicated with the condenser bottom, the other end is communicated with the stator winding heater by the total collector tube of heating in winding body, the other end of stator winding heater is communicated with the total steam collector of heating in winding body, and the total steam collector of heating in winding body is communicated with the top of condenser by heating in winding body steam collector again.
The total collector tube of described collector ring heater is lower than the collector ring bottom.
The total collector tube of described heating in winding body, the total collector tube of collector ring heater, the total steam collector of heating in winding body and the total steam collector of collector ring heater all can be arranged to the circulus concentric with stator circumference.
Collector ring is a horizontal positioned, and its inside must be soaked entirely at evaporative medium could realize the self-loopa operation under the condition, and the evaporative medium in the condenser is always supplied with collector ring, and after collector ring was filled, collector ring also always was in the state that soaks entirely.Condenser system is provided with the balance pipe road, makes between each condenser to be interconnected, and realizes that the pressure of whole evaporative cooling system is even, makes the cooling parallel branch operation conditions of stator and collector ring correspondence consistent, and the heat that each condenser is taken away is more even.
The utility model also has the following advantages: this device can improve stock utilization, reduces super-huge generator and makes difficulty, reduces operation temperature rise and the temperature difference and the generator unit stator thermal stress of generator unit stator collector ring; Owing to adopt evaporating, cooling and circulating system, do not need other water treatment facilities, do not take the factory building arrangement areas; Be exactly to have eliminated in addition because leakage and oxide stop up the possibility that causes the accident; even coolant takes place to be revealed; can not produce major break down yet; can adopt the load down operation; allow its generator air cooling operation or few medium evaporative cooling move; maintenance again after waiting to shut down, this is that water inner cold motor is unrivaled.
Description of drawings
Fig. 1 is a cross-sectional view of the present utility model
Fig. 2 is used for the structural representation of hydraulic generator stator evaporation cooling circulation unit for the utility model
Embodiment
As shown in Figure 1, hydraulic generator stator collector ring evaporation cooling circulation unit is arranged on the hydraulic generator stator, circumference is provided with a plurality of condensers 6 according to the structure needs, each condenser 6 bottom is provided with a collector ring heater liquid back pipe 2, the top of each condenser 6 is provided with a collector ring heater steam collector 5, evaporative medium just enters collector ring heater liquid back pipe 2 successively from condenser 6, the total collector tube 3 of collector ring heater, stator collector ring heater 1, the total steam collector 4 of collector ring heater, collector ring heater steam collector 5, return condenser 6 at last, formed the system of self-loopa.
As shown in Figure 2, hydraulic generator stator collector ring evaporation cooling combined cycle device and stator winding evaporation cooling combined cycle device are arranged on the hydraulic generator stator simultaneously, the circumference of stator is arranged a plurality of condensers 6 according to the structure needs, each condenser 6 bottom is provided with collector ring heater liquid back pipe 2 and heating in winding body liquid back pipe 9, evaporative medium in the condenser 6 is by these two liquid back pipes, enter into total collector tube 3 of collector ring heater and the total collector tube 10 of heating in winding body respectively, enter stator winding heater 8 that is vertical structure and the stator collector ring heater 1 that is horizontal type structure more respectively, these two heaters are cooled off, cooled evaporative medium enters total steam collector 4 of collector ring heater and the total steam collector 11 of heating in winding body respectively successively, enter collector ring heater steam collector 5 and heating in winding body steam collector 12 again, get back to condenser 6 at last, formed the evaporative cooling system of combined cycle.
Collector ring heater liquid back pipe 2 and heating in winding body liquid back pipe 9 that the condenser bottom is provided with, wherein the bottom of collector ring heater liquid back pipe 2 is higher than the bottom of heating in winding body liquid back pipe 9.
Because stator winding heater 8 is a vertical structure, stator collector ring heater 1 is a horizontal positioned, just can realize the self-loopa operation under the condition of certain liquid level guaranteeing that evaporative medium has, heating in winding body liquid back pipe 9 uses for the stator winding evaporating, cooling and circulating system, collector ring heater liquid back pipe 2 uses for the collector ring evaporating, cooling and circulating system, because the liquid back pipe of collector ring evaporating, cooling and circulating system is low, evaporative medium in the condenser 6 is always preferentially supplied with collector ring, after collector ring is filled, resupply the stator winding evaporative cooling system, therefore can reach the transpiration-cooled self-loopa operation of two covers.
Be provided with grading ring pipe 7 between each condenser 6, make between each condenser 6 and be interconnected, the pressure of realizing whole evaporative cooling system is even, make the cooling parallel branch operation conditions of stator and collector ring correspondence consistent, the heat that each condenser 6 is taken away is more even, and Temperature Distribution is more even vertically and circumferentially promptly to have guaranteed the generator unit stator winding.
Claims (5)
1, a kind of hydraulic generator stator collector ring evaporation cooling circulation unit, it is characterized in that: comprise stator collector ring heater (1) that is soaked with evaporative medium and the condenser system that carries out heat exchange with coolant steam, one end of described stator collector ring heater (1) is successively by the total collector tube of collector ring heater (3), collector ring heater liquid back pipe (2) is communicated with condenser (6) bottom, its other end is communicated with the total steam collector of collector ring heater (4), and the total steam collector of collector ring heater (4) is communicated with the top of condenser (6) by collector ring heater steam collector (5) again.
2, a kind of hydraulic generator stator collector ring evaporation cooling circulation unit according to claim 1, it is characterized in that: described condenser system comprises two or more condensers (6), and is provided with the grading ring pipe (7) that each condenser (6) is interconnected between condenser (6).
3, a kind of hydraulic generator stator collector ring evaporation cooling circulation unit according to claim 1, it is characterized in that: described stator collector ring heater (1) is horizontal type structure.
4, a kind of hydraulic generator stator collector ring evaporation cooling circulation unit according to claim 1, it is characterized in that: described condenser (6) bottom is provided with collector ring heater liquid back pipe (2) and stator winding heater liquid back pipe (9), and the bottom of collector ring heater liquid back pipe (2) is higher than the bottom of stator winding heater liquid back pipe (9); One end of described collector ring heater liquid back pipe (2) is communicated with condenser (6) bottom, the other end is communicated with stator collector ring heater (1) by the total collector tube of collector ring heater (3), the other end of stator collector ring heater (1) is communicated with the total steam collector of collector ring heater (4), and the total steam collector of collector ring heater (4) is communicated with the top of condenser by collector ring heater steam collector (5) again; One end of described heating in winding body liquid back pipe (9) is communicated with condenser (6) bottom, the other end is communicated with stator winding heater (8) by the total collector tube of heating in winding body (10), the other end of stator winding heater (8) is communicated with the total steam collector of heating in winding body (11), and the total steam collector of heating in winding body (11) is communicated with the top of condenser (6) by heating in winding body steam collector (12) again.
5, a kind of hydraulic generator stator collector ring evaporation cooling circulation unit according to claim 1 is characterized in that: the total collector tube of described collector ring heater (3) is lower than the collector ring bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520036094 CN2852498Y (en) | 2005-11-15 | 2005-11-15 | Evaporating, cooling and circulating device for hydro-turbo generator stator slip-ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520036094 CN2852498Y (en) | 2005-11-15 | 2005-11-15 | Evaporating, cooling and circulating device for hydro-turbo generator stator slip-ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2852498Y true CN2852498Y (en) | 2006-12-27 |
Family
ID=37586454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520036094 Expired - Lifetime CN2852498Y (en) | 2005-11-15 | 2005-11-15 | Evaporating, cooling and circulating device for hydro-turbo generator stator slip-ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2852498Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035307A (en) * | 2010-12-29 | 2011-04-27 | 哈尔滨电机厂有限责任公司 | Evaporative cooling system for water-wheel generator with master-slave condenser |
| CN102182661A (en) * | 2011-05-11 | 2011-09-14 | 方青松 | Atmosphere temperature difference power generation device |
-
2005
- 2005-11-15 CN CN 200520036094 patent/CN2852498Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035307A (en) * | 2010-12-29 | 2011-04-27 | 哈尔滨电机厂有限责任公司 | Evaporative cooling system for water-wheel generator with master-slave condenser |
| CN102035307B (en) * | 2010-12-29 | 2012-07-04 | 哈尔滨电机厂有限责任公司 | Evaporative cooling system for water-wheel generator with master-slave condenser |
| CN102182661A (en) * | 2011-05-11 | 2011-09-14 | 方青松 | Atmosphere temperature difference power generation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFANG ELECTRIC GROUP DONGFANG ELECTRIC MACHINE Free format text: FORMER OWNER: DONGFANG ELECTRICAL MACHINE CO., LTD. Effective date: 20100108 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100108 Address after: No 188, the Yellow River West Road, Deyang, Sichuan Province, 618000 Patentee after: Dongfang Electric Group Dongfang Motor Co., Ltd. Address before: No 188, the Yellow River West Road, Deyang, Sichuan Province, 618000 Patentee before: Dongfang Electric Machine Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20061227 |
|
| EXPY | Termination of patent right or utility model |