CN203387357U - Centralized open ventilation and cooling system of bulb through-flow type hydraulic turbine generator - Google Patents
Centralized open ventilation and cooling system of bulb through-flow type hydraulic turbine generator Download PDFInfo
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- CN203387357U CN203387357U CN201320462960.0U CN201320462960U CN203387357U CN 203387357 U CN203387357 U CN 203387357U CN 201320462960 U CN201320462960 U CN 201320462960U CN 203387357 U CN203387357 U CN 203387357U
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Abstract
The utility model relates to a centralized open ventilation and cooling system of a bulb through-flow type hydraulic turbine generator. The centralized open ventilation and cooling system is characterized in that a bulb head portion thereof is provided with a bulb head top flange dividing a bulb head into a cold air cavity and a hot air cavity; a front rack portion of a stator base is provided with a front windshield, a rear cold air windshield and a rear hot air windshield which divide the front rack into cold and hot air channels; and the stator base is internally provided with a vertical windshield and a rotor bracket which divide the internal part of the stator base into a cold air cavity and the a hot air cavity. According to the utility model, an air cooler and a fan are respectively arranged in a centralized and uniformed mode, thereby effectively optimizing the internal space of the bulb head, and further increasing the internal space of the bulb head; and the cold air and the hot air of the set are respectively integrated and collected, thereby enabling the cooling effect of the set to be more uniform and more reasonable, enabling the internal space of the bulb head of the through-flow set to be increased, and meeting basic space requirements for workers to come into the internal part of the set and carry out overhauling and maintenance inside. The centralized open ventilation and cooling system provided by the utility model is simple and reasonable in structure, convenient to install and maintain, economical in production and maintenance, and safe and reliable in operation.
Description
Technical field
The utility model belongs to new forms of energy production equipment technical field, relates in a kind of being adapted to, the scaled bulb tubular hydraulic generator of low capacity bulb tubular hydraulic generating set concentrates the open type ventilation cooling system.
Background technology
The ventilation cooling system of existing bulb tubular hydraulic generating set generally adopts and disperses the mode of sealing cooling, survey circumferencial direction distribution number Fans in the stator upstream cold wind is pressed into to the stator downstream from the rotor field spider inboard, then get back to the stator upstream surveys from the stator and rotor gap, in process, the heating of the stator and rotor of unit is taken away, cold wind becomes hot blast, enter again air cooler, make hot blast and cooling water carry out heat exchange, hot blast becomes cold wind again, and then enter blower fan by airtight ventilating duct, form circulation.The corresponding air cooler of a general Fans, connect by ventilating duct, carries out sealing and circulating.This type of cooling, because ventilating duct and air cooler all need to be installed on the forebay of surveying the stator upstream, but also need the connection of ventilating duct, add the layout of cooling water pipe, cloth to deposit a complete set of equipment, larger to the interior space requirement of unit, the general less unit of seat No., after arranging this complete equipment, in the bubble head, will not enter the people space, even basic layout is not gone down.
The utility model content
In order to overcome the above-mentioned shortcoming of prior art, the utility model provides a kind of scaled bulb tubular hydraulic generator with simple and reasonable, convenient for installation and maintenance, production maintenance economy and characteristics safe and reliable to operation to concentrate the open type ventilation cooling system.
The utility model solves the technical scheme that its technical problem adopts: a kind of scaled bulb tubular hydraulic generator is concentrated the open type ventilation cooling system, and its bubble head part is provided with the bubble head is divided into to cold wind chamber and the Pao crown, hot blast chamber flange; Partly be provided with forebay is partitioned into to the front wind screen of cold-hot wind passage, rear cold wind deep bead and after heat windscreen aerofoil at the forebay of out frame; Be provided with vertical deep bead and the rotor field spider that out frame inside is partitioned into to cold wind chamber and hot blast chamber in out frame inside.
On the flange of the bubble crown, air cooler is housed.
In the cold wind chamber of bubble head part, axial flow blower is housed.
Be provided with a bubble pedal that is partitioned into hot-air channel in the bubble head part.
The beneficial effects of the utility model are: by air cooler, the centralized and unified layout of blower fan difference, and be arranged on the inner limit of bubble head, effectively optimize a bubble inner space, cancelled the ventilating duct that connects air cooler and blower fan, further increased a bubble inner space; The cold wind of unit and hot blast are carried out respectively to synthesis, make the cooling effect of unit more evenly rationally, a through-flow unit bubble inner space of miniaturization is increased, meeting the staff, to enter unit inner and carry out the fundamental space requirement of repair and maintenance in inside, has simple and reasonable, convenient for installation and maintenance, production maintenance economy and characteristics safe and reliable to operation.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: cold wind deep bead, 6-after heat windscreen aerofoil, a 7-bubble pedal, 8-bubble crown flange, 9-bubble head, 10-out frame, 11-rotor field spider, 12-forebay after 1-air cooler, 2-blower fan, 3-front wind screen, the vertical deep bead of 4-, 5-.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Referring to Fig. 1, a kind of scaled bulb tubular hydraulic generator is concentrated the open type ventilation cooling system, adopts the type of cooling of concentrating open type, and air cooler 1 centralized arrangement is being steeped on the flange 8 of the crown (being generally 2 or 3 air coolers 1); In the bubble head part, will steep 9 by bubble crown flange 8 and be divided into cold wind chamber and hot blast chamber, install axial flow blower 2(in the cold wind chamber and be generally 2), cooling by blower fan 2 forced ventilations; Be partitioned into hot-air channel simultaneously, then with a bubble pedal 7; Forebay 12 parts 12 at out frame 10 are provided with front wind screen 3, rear cold wind deep bead 5 and after heat windscreen aerofoil 6, and forebay 12 is partitioned into to the cold-hot wind passage; Out frame 10 inside are partitioned into cold wind chamber and hot blast chamber by vertical deep bead 4 and rotor field spider 11 by out frame 10 inside; Thereby form perfect hot and cold wind passage, guarantee the unobstructed of wind path, the wind phenomenon of avoiding going here and there occurs.
The cold wind path: the cold wind in the bubble head in the cold wind chamber is through the effect of blower fan, cold air duct by the out frame forebay (forms by front wind screen and rear cold wind deep bead are set, being specially on the forebay grid space outerpace of part) the cold wind chamber that enters out frame inside (is divided into cold wind and two chambeies of hot blast by vertical deep bead by support upstream side inner space, the cold wind chamber is outer to the inboard wall of base scope for vertical deep bead), then respectively from the axial ventilation hole of stator core, the rotor air gap, gap between rotor magnetic pole is by arriving the downstream of support, complete during this time heat exchange, to determine, the heat that rotor sends is taken away, cold wind becomes hot blast.
Hot blast path: the hot blast in hot blast chamber, out frame downstream, because stopping of seat ring and the support of bearing, the hot blast chamber that can only get back to the support upstream side from the ventilation hole of rotor field spider former (is cut apart and is formed by vertical deep bead, the hot blast chamber in vertical deep bead to collector shell scope), and then come the hot-air channel (being partitioned into by a bubble pedal) of bubble head by forebay cold air duct (be specially under the forebay grid part inner space), enter bubble hot blast chamber, the crown through bubble crown flange again, pass through again the gas that carries out of air cooler, hydrothermal exchange, again become cold wind, complete circulation.
Air circulation duct of the present utility model is open type, and by the Qiang Yu road, in conjunction with formation, even, when unit operation, the people also can enter the inner maintenance of patrolling of bubble head, can the normal operation maintenance of unit not impacted; When bubble head enters advancing people's cover and cover on people's cylinder, this system is again a relatively airtight system, there is no the waste of heat-exchange power, so this system is safety and reliably.
Claims (4)
1. a scaled bulb tubular hydraulic generator is concentrated the open type ventilation cooling system, it is characterized in that: its bubble head part is provided with the bubble head is divided into to cold wind chamber and the Pao crown, hot blast chamber flange; Partly be provided with forebay is partitioned into to the front wind screen of cold-hot wind passage, rear cold wind deep bead and after heat windscreen aerofoil at the forebay of out frame; Be provided with vertical deep bead and the rotor field spider that out frame inside is partitioned into to cold wind chamber and hot blast chamber in out frame inside.
2. scaled bulb tubular hydraulic generator is concentrated the open type ventilation cooling system as claimed in claim 1, it is characterized in that: on the flange of the bubble crown, air cooler is housed.
3. scaled bulb tubular hydraulic generator is concentrated the open type ventilation cooling system as claimed in claim 1, it is characterized in that: in the cold wind chamber of bubble head part, axial flow blower is housed.
4. scaled bulb tubular hydraulic generator is concentrated the open type ventilation cooling system as claimed in claim 1, it is characterized in that: in the bubble head part, be provided with a bubble pedal that is partitioned into hot-air channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320462960.0U CN203387357U (en) | 2013-07-31 | 2013-07-31 | Centralized open ventilation and cooling system of bulb through-flow type hydraulic turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320462960.0U CN203387357U (en) | 2013-07-31 | 2013-07-31 | Centralized open ventilation and cooling system of bulb through-flow type hydraulic turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203387357U true CN203387357U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320462960.0U Expired - Fee Related CN203387357U (en) | 2013-07-31 | 2013-07-31 | Centralized open ventilation and cooling system of bulb through-flow type hydraulic turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203387357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795186A (en) * | 2014-02-17 | 2014-05-14 | 扬州大学 | Closed-type ventilation cooling system provided with stainless steel lamp bulb shell and used for large lamp bulb tubular pump unit and ventilation design calculation method thereof |
| CN109921567A (en) * | 2019-05-06 | 2019-06-21 | 哈尔滨理工大学 | A kind of large synchronous compensator rotor rotation formula air-makeup system |
-
2013
- 2013-07-31 CN CN201320462960.0U patent/CN203387357U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795186A (en) * | 2014-02-17 | 2014-05-14 | 扬州大学 | Closed-type ventilation cooling system provided with stainless steel lamp bulb shell and used for large lamp bulb tubular pump unit and ventilation design calculation method thereof |
| CN109921567A (en) * | 2019-05-06 | 2019-06-21 | 哈尔滨理工大学 | A kind of large synchronous compensator rotor rotation formula air-makeup system |
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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: 20140108 Termination date: 20200731 |