CN102808399B - Service drainage structure of through flow hydropower station - Google Patents
Service drainage structure of through flow hydropower station Download PDFInfo
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- CN102808399B CN102808399B CN201210305590.XA CN201210305590A CN102808399B CN 102808399 B CN102808399 B CN 102808399B CN 201210305590 A CN201210305590 A CN 201210305590A CN 102808399 B CN102808399 B CN 102808399B
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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
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Abstract
The invention discloses a service drainage structure of a through flow hydropower station. The service drainage structure comprises a drainage gallery, a collecting well, and drainage pipes which are respectively arranged at the lowest positions of the upstream and the downstream of a flowing passage and are communicated with the drainage gallery. An upstream drainage pipe and a downstream drainage pipe are respectively provided with a water drain valve. The water drain valves on the upstream drainage pipe and the downstream drainage pipe are respectively arranged at inlets of the upstream drainage pipe and the downstream drainage pipe. The service drainage structure is mainly used for the through flow hydropower station in a sandy river and has the advantages that the structure is simple, the safety is high, the water accumulated in the flowing passage can be controllably and conveniently drained in time, the working efficiency and the safety are improved, the service time is shortened and the power generation benefits of the hydropower station are increased.
Description
Technical field
The present invention relates to the drainage for overhaul structure in power station, particularly a kind of drainage for overhaul structure of the tubular power station be mainly used on fully-loaded stream.
Background technology
The drainage for overhaul structure in power station is the common facility in hydroelectric station design, as shown in Figure 1, according to the feature of bulb-type tubular hydro set runner in prior art, for meeting unit maintenance drainage requirement, need respectively arrange a gutter in runner upstream and downstream.Upstream row water pipe 1 ' drains into collector drain 6 ' from bottom, generator vertical support basis 5 ' flow path upstream ponding, downstream row water pipe 2 ' drains into collector drain 6 ' from draft tube 7 ' lowest part downstream ponding, ponding converges to collecting well through collector drain, then drained by water pump, upstream row water pipe vertically arranges upstream tube discharging valve 4 ' generator bottom enter hole 3 ' or water wheels motor-pumped well 8 ' upstream side, and downstream row water pipe vertically arranges downstream tube discharging valve 14 ' in water wheels motor-pumped well 8 ' downstream.Upstream tube discharging valve 4 ' and downstream tube discharging valve 14 ' are separately positioned on the middle part of upstream row water pipe 1 ' and downstream row water pipe 2 ', and 13 ' is flow path upstream.
But during tubular power station on fully-loaded stream of the drainage for overhaul structure in the tubular power station of said structure, gutter, easily by silt silting, can not be got rid of runner ponding in time, unit maintenance time lengthening, have lost power station power benefit.
Summary of the invention
The technical problem to be solved in the present invention is, provides the tubular power station drainage for overhaul structure that a kind of structure is simple, safety is high.
The technical solution used in the present invention is: a kind of drainage for overhaul structure of tubular power station, comprise collector drain, collecting well, generator bottom enter hole, generator vertical support, the upstream row water pipe be communicated with collector drain with flow path upstream respectively, the downstream row water pipe be communicated with collector drain with draft tube respectively, the downstream tube discharging valve that is arranged on the upstream tube discharging valve on upstream row water pipe and is arranged on downstream row water pipe, described upstream tube discharging valve is arranged in the water inlet of upstream row water pipe, and downstream tube discharging valve is arranged in the water inlet of downstream row water pipe.
Described generator bottom enter hole upstream extends to generator vertical support bottom part down, form installing space, described gutter water inlet is arranged on side, generator vertical support rear, upstream tube discharging valve is arranged in the installing space that generator bottom enter hole formed at generator vertical support bottom part down, through generator vertical support base plate stretches to the water inlet of upstream row water pipe, at draft tube lower space setting operation gallery, operating gallery extends to below downstream drainage water inlet tube mouth, downstream tube discharging valve is arranged on the end of operating gallery, through operating gallery top board stretches to the water inlet of downstream row water pipe.
Described upstream tube discharging valve and downstream tube discharging valve adopt lower operated disc type valve.
Trashrack is respectively arranged with at the water inlet of described upstream row water pipe and the water inlet of downstream row water pipe.
The invention has the beneficial effects as follows: the water inlet offering upstream row water pipe in side, tubular hydropower generator vertical support rear, generator bottom enter hole upstream extends installation discharging valve, draft tube lower space is utilized to establish an operating gallery, operating gallery extends to below the import of downstream row water pipe, at operating gallery end, discharging valve is set, gutter can not by silt and dirt silting, can be timely during unit maintenance, get rid of runner internal water accumulation easily, realize the discharge that drainage for overhaul safety is controlled, substantially increase efficiency and the safety of fully-loaded stream tubular power station service work, effectively shorten the repair time, add the power benefit in power station.
Accompanying drawing explanation
Fig. 1 is the sectional drawing of the drainage for overhaul structural configuration mode in the tubular power station of prior art.
Fig. 2 is the plan view of the drainage for overhaul structure in tubular power station of the present invention.
Fig. 3 is that the A-A of Fig. 2 is to sectional drawing.
Fig. 4 is that the B-B of Fig. 2 is to sectional drawing.
Fig. 5 is that the C-C of Fig. 2 is to sectional drawing.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
As shown in Figure 2-5, the drainage for overhaul structure in tubular power station of the present invention, comprise collector drain 6, collecting well 12, generator bottom enter hole 3, generator vertical support 5, the upstream row water pipe 1 be communicated with collector drain 6 with flow path upstream 13 respectively, the downstream row water pipe 2 be communicated with collector drain 6 with draft tube 7 respectively, the downstream tube discharging valve 14 being arranged on the upstream tube discharging valve 4 on upstream row water pipe 1 and being arranged on downstream row water pipe 2, described upstream tube discharging valve 4 is arranged in the water inlet 10 of upstream row water pipe, downstream tube discharging valve 14 is arranged in the water inlet 15 of downstream row water pipe.
Described generator bottom enter hole 3 upstream extends to generator vertical support 5 bottom part down, form installing space, described gutter water inlet 10 is arranged on side, generator vertical support 5 rear, upstream tube discharging valve 4 is arranged in the installing space that generator bottom enter hole 3 formed at generator vertical support 5 bottom part down, through generator vertical support 5 base plate stretches to the water inlet 10 of upstream row water pipe, at draft tube 7 lower space setting operation gallery 9, operating gallery 9 extends to below downstream row water pipe 2 water inlet, downstream tube discharging valve 14 is arranged on the end of operating gallery 9, through operating gallery 9 top board stretches to the water inlet 15 of downstream row water pipe.
Described upstream tube discharging valve 4 and downstream tube discharging valve 14 adopt lower operated disc type valve.
Trashrack 11 is respectively arranged with at the water inlet 10 of described upstream row water pipe and the water inlet 15 of downstream row water pipe.
The present embodiment comprises three groups of separate upstream row water pipes 1 and downstream row water pipe 2, often organize the corresponding factory building unit of gutter, upstream row water pipe 1 is communicated with flow path upstream 13 with collector drain 6 collecting well 12, downstream row water pipe 2 is communicated with draft tube 7 with collector drain 6 collecting well 12, a discharging valve 4,14 all installed by every root gutter, and discharging valve is arranged in gutter import, prevent gutter by silt silting.
The present embodiment middle and upper reaches gutter 1 offers water inlet 10 in side, generator vertical support 5 rear, and generator bottom enter hole 3 upstream extends and installs play pipe discharging valve 4; Downstream row water pipe 2 utilizes draft tube 7 lower space to establish an operating gallery 9, and operating gallery 9 extends to below downstream row water pipe 2 water inlet from water wheels motor-pumped well 8 downstream sidewall, installs downstream tube discharging valve 14 at operating gallery 9 end; For preventing foreign material to silt gutter up, the trashrack 11 of steel work processing is set at gutter water inlet.
For ensureing Power station structure safety, generator bottom enter hole 3 upstream extension need strengthen arrangement of reinforcement, gutter water inlet 10 will avoid generator vertical support embedded part and downstream will ensure to leave enough concrete structure thickness (should be greater than 500mm), ensure between draft tube 7 and operating gallery 9 to leave enough concrete structure thickness (should be greater than 1500mm), collector drain 6 suitably can reduce guarantee between elevation and operating gallery 9 and leave enough concrete structure thickness (should be greater than 500mm).
Above-described embodiment is only for illustration of technological thought of the present invention and feature, its object is to enable those skilled in the art understand content of the present invention and implement according to this, only can not limit the scope of the claims of the present invention with the present embodiment, namely the equal change done of all disclosed spirit or modification, still drop in the scope of the claims of the present invention.
Claims (2)
1. the drainage for overhaul structure in a tubular power station, comprise collector drain (6), collecting well (12), generator bottom enter hole (3), generator vertical support (5), the upstream row water pipe (1) be communicated with collector drain (6) with flow path upstream (13) respectively, the downstream row water pipe (2) be communicated with collector drain (6) with draft tube (7) respectively, the downstream tube discharging valve (14) being arranged on the upstream tube discharging valve (4) on upstream row water pipe (1) and being arranged on downstream row water pipe (2), it is characterized in that: described upstream tube discharging valve (4) is arranged in the water inlet (10) of upstream row water pipe, downstream tube discharging valve (14) is arranged in the water inlet (15) of downstream row water pipe, described generator bottom enter hole (3) upstream extends to generator vertical support (5) bottom part down, form installing space, described gutter water inlet (10) is arranged on generator vertical support (5) side, rear, upstream tube discharging valve (4) is arranged in the installing space that generator bottom enter hole (3) formed at generator vertical support (5) bottom part down, through generator vertical support (5) base plate stretches to the water inlet (10) of upstream row water pipe, at draft tube (7) lower space setting operation gallery (9), operating gallery (9) extends to below downstream row water pipe (2) water inlet, downstream tube discharging valve (14) is arranged on the end of operating gallery (9), through operating gallery (9) top board stretches to the water inlet (15) of downstream row water pipe, described upstream tube discharging valve (4) and downstream tube discharging valve (14) adopt lower operated disc type valve.
2. the drainage for overhaul structure in tubular power station according to claim 1, is characterized in that: be respectively arranged with trashrack (11) at the water inlet (10) of described upstream row water pipe and the water inlet (15) of downstream row water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210305590.XA CN102808399B (en) | 2012-08-24 | 2012-08-24 | Service drainage structure of through flow hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210305590.XA CN102808399B (en) | 2012-08-24 | 2012-08-24 | Service drainage structure of through flow hydropower station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102808399A CN102808399A (en) | 2012-12-05 |
| CN102808399B true CN102808399B (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210305590.XA Active CN102808399B (en) | 2012-08-24 | 2012-08-24 | Service drainage structure of through flow hydropower station |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201411771Y (en) * | 2009-06-19 | 2010-02-24 | 中国水电顾问集团北京勘测设计研究院 | Machine set repairing drain system |
| CN201874614U (en) * | 2010-11-15 | 2011-06-22 | 中国水电顾问集团华东勘测设计研究院 | Drainage structure for emptying overhaul of derivation tunnel |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2843976B2 (en) * | 1995-09-18 | 1999-01-06 | 株式会社桜川ポンプ製作所 | Underground drainage device |
| CN202755355U (en) * | 2012-08-24 | 2013-02-27 | 中水北方勘测设计研究有限责任公司 | Overhaul drainage structure of through-flow hydropower station |
-
2012
- 2012-08-24 CN CN201210305590.XA patent/CN102808399B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201411771Y (en) * | 2009-06-19 | 2010-02-24 | 中国水电顾问集团北京勘测设计研究院 | Machine set repairing drain system |
| CN201874614U (en) * | 2010-11-15 | 2011-06-22 | 中国水电顾问集团华东勘测设计研究院 | Drainage structure for emptying overhaul of derivation tunnel |
Non-Patent Citations (3)
| Title |
|---|
| "水电站和水泵站机组检修排水***设计方案必选";王怡;《水利水电工程设计》;19990430(第4期);第29-29页 * |
| JP特开平9-79000A 1997.03.25 * |
| 沙锡林.《贯流式水电站》.《贯流式水电站》.中国水利水电出版社,1999,第47、54、286页,图3-3、图10-8. * |
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| Publication number | Publication date |
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| CN102808399A (en) | 2012-12-05 |
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| SE01 | Entry into force of request for substantive examination | ||
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| CB03 | Change of inventor or designer information |
Inventor after: Xi Yanlin Inventor after: Ren Zhifeng Inventor after: Shi Tiecheng Inventor after: Wang Hao Inventor after: Bao Jixing Inventor after: Jiang Zhiyong Inventor after: Wang Licheng Inventor after: Yue Lixia Inventor after: Pang Shucong Inventor after: Zhu Weijun Inventor before: Shi Tiecheng Inventor before: Wang Hao Inventor before: Bao Jixing Inventor before: Jiang Zhiyong Inventor before: Wang Licheng Inventor before: Yue Lixia Inventor before: Pang Shucong Inventor before: Zhu Weijun Inventor before: Ren Zhifeng |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SHI TIECHENG WANG HAO BAO JIXING JIANG ZHIYONG WANG LICHENG YUE LIXIA PANGSHUCONG ZHU WEIJUN REN ZHIFENG TO: XI YANLIN SHI TIECHENG WANG HAO BAO JIXING JIANG ZHIYONG WANG LICHENG YUE LIXIA PANG SHUCONG ZHU WEIJUN REN ZHIFENG |