CN202832940U - Cooling tower water turbine with water seal - Google Patents
Cooling tower water turbine with water seal Download PDFInfo
- Publication number
- CN202832940U CN202832940U CN2012204539173U CN201220453917U CN202832940U CN 202832940 U CN202832940 U CN 202832940U CN 2012204539173 U CN2012204539173 U CN 2012204539173U CN 201220453917 U CN201220453917 U CN 201220453917U CN 202832940 U CN202832940 U CN 202832940U
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- CN
- China
- Prior art keywords
- transmission shaft
- cooling tower
- lining
- water turbine
- sealing
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model discloses a cooling tower water turbine with water seal. The cooling tower water turbine comprises a bearing seat, a water turbine base, a transmission shaft, a bearing, an oil seal and a bush, wherein the water turbine base is arranged below the bearing seat, the transmission shaft extends towards the water turbine base from the bearing seat, the bearing is matched with the transmission shaft, the oil seal is next to the bearing and is sealed with the transmission shaft, and the bush is arranged at the bottom of the bearing seat and is sealed with the transmission shaft. The transmission shaft or the bush is provided with a plurality of spiral reverse-pumping seal teeth. Through adoption of the spiral reverse-pumping seal tooth structure, the cooling tower water turbine causes flow resistance or reverse pumping to leaked fluid so as to enable the leaked fluid to be partially balanced or completely balanced. The fluid is reversely pumped to the upper stream so as to achieve the sealing purpose, and therefore efficiency of the cooling tower water turbine is improved, and service life of the cooling tower water turbine is prolonged. The cooling tower water turbine is suitable for being produced in a standard and mass mode, is convenient to mount, and scientific and reasonable in structure, and simultaneously can save material cost.
Description
Technical field
The utility model relates to a kind of hydraulic turbine of cooling tower, particularly a kind of hydraulic turbine of cooling tower with water-stop.
Background technique
In the axle sealing structure design of hydraulic turbine of cooling tower, often adopt the Technology design such as outside framework oil seal, filler, mechanical seal, these sealing techniquies all are direct contact seals, Sealing has wearing and tearing with being coupling to touch, and the life-span is limited, and easily seize occurs, air locking when axle rotates in order to guarantee sealability, all be the wiper seal technology, need to consume frictional work, reduced simultaneously hydraulic turbine of cooling tower efficient.And running shaft water to leak be a great problem of hydraulic turbine of cooling tower sealing technique always, and water leaks and also easily causes bearing failure, the working life of greatly having reduced hydraulic turbine of cooling tower.Therefore hydraulic turbine of cooling tower be in operation must reduce each mechanism's power as far as possible consumption to guarantee hydraulic turbine of cooling tower output optimum efficiency.
Summary of the invention
The utility model purpose is: a kind of hydraulic turbine of cooling tower with water-stop is provided.
The technical solution of the utility model is: a kind of hydraulic turbine of cooling tower with water-stop, it comprises bearing support, is installed in the turbine seating of bearing support below and the transmission shaft that is extended to turbine seating by bearing support, it further comprises: the bearing that cooperates with transmission shaft, adjacent with bearing and with the oil sealing of transmission shaft sealing and be positioned at bearing support the bottom and with the lining of transmission shaft sealing, wherein transmission shaft or lining are provided with several spiral reverse pumpings sealing teeth.
On the basis of technique scheme, further comprise attached technological scheme:
Described transmission shaft and lining cooperation place are provided with several spiral reverse pumping sealing teeth, and lining is provided with the bush hole of smooth surface.
Described transmission shaft and lining cooperation place are set to smooth surface, and lining is provided with several spiral reverse pumping sealing teeth.
Described transmission shaft and lining cooperation place are provided with several spiral reverse pumping sealing teeth, and lining also is provided with several spiral reverse pumping sealing teeth.
It further comprises the water retaining disk that is fixed on the transmission shaft, and water retaining disk is located axially between oil sealing and the lining.
Described water retaining disk and oil sealing are adjacent, and comprise at least fixing part on the axial direction and stop part in the radial direction.
The diameter of described stop part is greater than the diameter of oil sealing.
Described bearing support comprises the host cavity between oil sealing and lining and the overflow hole that is connected with host cavity.
Described turbine seating comprises shell, accommodate in the enclosure and the runner that is driven by transmission shaft and the seat ring that interfixes with bearing support.
The utility model adopts spiral reverse pumping sealing toothing, leak fluid is caused flow resistance or reverse pumping, make it partial equilibrium or complete equilibrium, liquid reversing to the upstream, to reach the purpose of sealing, has been improved hydraulic turbine of cooling tower efficient, prolong hydraulic turbine of cooling tower working life, suitable standardization is produced in a large number, and easy for installation, structure is more scientific rationally, but also economical with materials cost simultaneously.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial structurtes schematic diagram of Fig. 1;
Fig. 3 and Fig. 2 are similar, and wherein transmission shaft has spiral reverse pumping sealing tooth, bush hole;
Fig. 4 and Fig. 2 are similar, and wherein transmission shaft and bush hole all have spiral reverse pumping sealing tooth;
Fig. 5 and Fig. 2 are similar, and wherein transmission shaft is optical axis, and bush hole has spiral reverse pumping sealing tooth.
Embodiment
Embodiment: shown in figure 1-5, the utility model provides a kind of specific embodiment with hydraulic turbine of cooling tower of water-stop, and it comprises bearing support 1, is installed in the turbine seating 2 of bearing support 1 below and the rotatingshaft 10 that is extended to turbine seating 2 by bearing support 1.
Bearing support 1 comprises the bearing 12 that cooperates with transmission shaft 10, adjacent with bearing 12 and with the oil sealing 14 of transmission shaft 10 sealings, be fixed on the water retaining disk 16 on the transmission shaft 10, be fixed in the cover plate 15 of the bottom of bearing support 1, be arranged on the cover plate 15 and with the lining 18 of transmission shaft 10 sealings, host cavity 17 between oil sealing 14 and lining 18, and several overflow holes 19 that are connected with host cavity 17, wherein water retaining disk 16 is located axially between oil sealing 14 and the lining 18 and is adjacent with oil sealing 14, and water retaining disk 16 comprises the fixing part on the axial direction at least, stop part in the radial direction.The diameter of stop part is preferably more than the diameter of oil sealing 14.The various alloy materials that the material of lining 18 can select that efficiency of preservation is strong, hardness, intensity are lower than axial wood matter.
Turbine seating 2 comprises shell 20, be housed in the shell 20 and the runner 22 that is driven by transmission shaft 10 and the seat ring 24 that interfixes with bearing support 1.
As shown in Figure 2, transmission shaft 10 arranges promising smooth surface with lining 18 cooperation places, and lining 18 is provided with the bush hole 180 of smooth surface.Form a series of gaps of damming between transmission shaft 10 and the lining 18, sealed medium produces the purpose that throttle effect reaches Drain Resistance by the gap time, usually flow≤1200m
3/ h adopts should straight-through labyrinth sealing.
As shown in Figure 3, transmission shaft 10 is provided with several spiral reverse pumping sealing teeth 13 with lining 18 cooperation places, and lining 18 is provided with the bush hole 180 of smooth surface.
As shown in Figure 4, transmission shaft 10 is set to smooth surface with lining 18 cooperation places, and lining 18 is provided with several spiral reverse pumping sealing teeth 182.
As shown in Figure 5, transmission shaft 10 is provided with several spiral reverse pumping sealing teeth 13 with lining 18 cooperation places, and lining 18 is provided with several spiral reverse pumping sealing teeth 182 that cooperate with it.
The belt tooth of spiral reverse pumping sealing tooth 13,182 for being arranged in order forms a series of gap and expansion cavitys of damming between tooth and the tooth, utilize Sealing close clearance or tortuous approach to cause the needed fluid resistance of sealing.Rotation by screw thread is reversed leak fluid is caused flow resistance or reverse pumping, makes it partial equilibrium or complete equilibrium, with liquid reversing to the upstream, to reach the purpose of sealing.Common flow 〉=1500m
3/ h adopts the spiral labyrinth seal structure.
Owing to having the gap between the lining 18 of insert on transmission shaft 10 of the present utility model and the cover plate 15, without the solid contact, needn't lubricate, and allow thermal expansion, avoid other sealing means must lean on the runner shaft pressure contact and seal, the friction infringement that brings and energy consumption.And in order effectively to protect better bearing and oil sealing; do not washed out by water jet in the labyrinth, be provided with water retaining disk 16 between labyrinth and bearing and oil sealing, effectively the block water jet washes away bad parts; effectively protect bearing and oil sealing, and collection guiding current flow out from overflow hole 19.
During installation transmission shaft 10 and bearing support 1 are in place, then lining 18 bolts are installed on the cover plate 15, carrying out bolt with bearing support 1 installs, adjust simultaneously lining 18 even with transmission shaft 10 gaps, then the mounting block water pond 16, continue to install runner 22, the seat ring 24 in bearing support 1 assembly and the water turbine housing 20 is installed formed an overall structure at last.
The utility model is simple in structure, regulate easy to maintenance, can adopt modular design, so that the hydraulic turbine of cooling tower body carries out assembly unit easily, be convenient to produce in enormous quantities, improved production, installation efficiency, improved hydraulic turbine of cooling tower efficient, make hydraulic turbine of cooling tower more can be adapted to low hydraulic pressure cooling tower, saved material, improved economic benefit.
Certainly above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the people who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection domain of the present utility model with this.All equivalent transformation or modifications of doing according to the Spirit Essence of the utility model main technical schemes all should be encompassed within the protection domain of the present utility model.
Claims (9)
1. hydraulic turbine of cooling tower with water-stop, it comprises bearing support (1), be installed in the turbine seating (2) of bearing support (1) below, with the transmission shaft (10) that is extended to turbine seating (2) by bearing support (1), it is characterized in that it further comprises: the bearing (12) that cooperates with transmission shaft (10), adjacent with bearing (12) and with the oil sealing (14) of transmission shaft (10) sealing, and be positioned at the bottom of bearing support (1) and the lining (18) that seals with transmission shaft (10), wherein transmission shaft (10) or lining (18) are provided with several spiral reverse pumpings sealing teeth.
2. hydraulic turbine of cooling tower according to claim 1 is characterized in that: described transmission shaft (10) is provided with several spiral reverse pumpings sealing teeth (13) with lining (18) cooperation place, and lining (18) is provided with the bush hole (180) of smooth surface.
3. hydraulic turbine of cooling tower according to claim 1 is characterized in that: described transmission shaft (10) is set to smooth surface with lining (18) cooperation place, and lining (18) is provided with several spiral reverse pumpings sealing teeth (182).
4. hydraulic turbine of cooling tower according to claim 1 is characterized in that: described transmission shaft (10) is provided with several spiral reverse pumpings sealing teeth with lining (18) cooperation place, and lining (18) also is provided with several spiral reverse pumpings sealing teeth.
5. according to claim 1 and 2 or 3 or 4 described hydraulic turbine of cooling towers, it is characterized in that: it further comprises the water retaining disk (16) that is fixed on the transmission shaft (10), and water retaining disk (16) is located axially between oil sealing (14) and the lining (18).
6. hydraulic turbine of cooling tower according to claim 5, it is characterized in that: described water retaining disk (16) is adjacent with oil sealing (14), and comprises at least fixing part on the axial direction and stop part in the radial direction.
7. hydraulic turbine of cooling tower according to claim 6, it is characterized in that: the diameter of described stop part is greater than the diameter of oil sealing (14).
8. according to claim 1 and 2 or 3 or 4 described hydraulic turbine of cooling towers, it is characterized in that: described bearing support (1) comprises the host cavity (17) that is positioned between oil sealing (14) and the lining (18) and the overflow hole (19) that is connected with host cavity (17).
9. hydraulic turbine of cooling tower according to claim 8 is characterized in that: described turbine seating (2) comprises shell (20), be housed in the shell (20) and the runner (22) that is driven by transmission shaft (10) and the seat ring (24) that interfixes with bearing support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204539173U CN202832940U (en) | 2012-09-06 | 2012-09-06 | Cooling tower water turbine with water seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204539173U CN202832940U (en) | 2012-09-06 | 2012-09-06 | Cooling tower water turbine with water seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202832940U true CN202832940U (en) | 2013-03-27 |
Family
ID=47944666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204539173U Expired - Fee Related CN202832940U (en) | 2012-09-06 | 2012-09-06 | Cooling tower water turbine with water seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202832940U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603826A (en) * | 2013-11-25 | 2014-02-26 | 丹东克隆集团有限责任公司 | Water seal ring of mechanical seal gland |
| CN104314730A (en) * | 2014-10-29 | 2015-01-28 | 国家电网公司 | Water stop ring device of water turbine |
| CN105065673A (en) * | 2015-07-16 | 2015-11-18 | 江苏航天水力设备有限公司 | Double-thread sealing device of water pump turbine |
| CN114352460A (en) * | 2022-01-20 | 2022-04-15 | 高海玉 | Novel bulb tubular unit main shaft seal water retaining device |
| CN114856885A (en) * | 2022-06-20 | 2022-08-05 | 南方电网调峰调频发电有限公司检修试验分公司 | Step type sealing structure and water turbine |
-
2012
- 2012-09-06 CN CN2012204539173U patent/CN202832940U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603826A (en) * | 2013-11-25 | 2014-02-26 | 丹东克隆集团有限责任公司 | Water seal ring of mechanical seal gland |
| CN104314730A (en) * | 2014-10-29 | 2015-01-28 | 国家电网公司 | Water stop ring device of water turbine |
| CN105065673A (en) * | 2015-07-16 | 2015-11-18 | 江苏航天水力设备有限公司 | Double-thread sealing device of water pump turbine |
| CN114352460A (en) * | 2022-01-20 | 2022-04-15 | 高海玉 | Novel bulb tubular unit main shaft seal water retaining device |
| CN114856885A (en) * | 2022-06-20 | 2022-08-05 | 南方电网调峰调频发电有限公司检修试验分公司 | Step type sealing structure and water turbine |
| CN114856885B (en) * | 2022-06-20 | 2024-03-29 | 南方电网调峰调频发电有限公司检修试验分公司 | Step type sealing structure and water turbine |
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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 |
Granted publication date: 20130327 Termination date: 20180906 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |