CN107419789A - The drainage system and water discharge method of the turbine-generator units in the higher river of tailwater level - Google Patents
The drainage system and water discharge method of the turbine-generator units in the higher river of tailwater level Download PDFInfo
- Publication number
- CN107419789A CN107419789A CN201710595564.8A CN201710595564A CN107419789A CN 107419789 A CN107419789 A CN 107419789A CN 201710595564 A CN201710595564 A CN 201710595564A CN 107419789 A CN107419789 A CN 107419789A
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- turbine
- drainage system
- generator units
- valve
- water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/001—Methods, systems, or installations for draining-off sewage or storm water into a body of water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- 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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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention discloses the drainage system and water discharge method of a kind of turbine-generator units in the higher river of tailwater level, triple valve (4) is provided with the pipeline of the main sewer of turbine-generator units drainage system (1), the first interface of triple valve (4) is connected with turbine-generator units drainage system (1), the second interface of triple valve (4) is connected with seepage from powerhouse sump (2), 3rd interface of triple valve (4) is connected with check valve (5), check valve (5) is connected with the first service valve (6), first service valve (6) is connected with pressure transmitter (7), pressure transmitter (7) is connected with downstream tail water (3).The present invention not only has the advantages of technology drainaging scheme being adjusted flexibly according to the water level conditions in downstream tail water river course, but also has the advantages that draining is reliable and energy-saving.
Description
Technical field
The present invention relates to Hydraulic and Hydro-Power Engineering technical field, more particularly, to a kind of hydraulic generator in the higher river of tailwater level
The drainage system and water discharge method of unit.
Background technology
For power station, general factory building is arranged by riverbank, the aerial cooler of turbine-generator units, each bearing oil cooling
But the draining of the unit such as device typically drains into downstream tail water using after draining to factory building sump using water pump extraction, and drainage pattern is more
It is single, do not save.Therefore, the technology drainage pattern of the higher river turbine-generator units of existing tail water flood level is not still very
It is preferable, it is impossible to meet the needs of actual use.
The content of the invention
It is an object of the invention to provide a kind of drainage system of the turbine-generator units in the higher river of tailwater level and draining
Method, the problem of to overcome prior art to exist.
What the present invention was realized in：
First, the present invention is the drainage system of the turbine-generator units in the higher river of such a tailwater level, is sent out in water wheels
Triple valve is provided with the pipeline of the main sewer of group of motors drainage system, first interface and the turbine-generator units of triple valve are arranged
Water system is connected, and the second interface of triple valve is connected with seepage from powerhouse sump, and the 3rd interface of triple valve is connected with check valve,
Check valve is connected with the first service valve, and the first service valve is connected with pressure transmitter, and pressure transmitter is connected with downstream tail water.
Further, the drainage system of the turbine-generator units includes the generator thrust bearing row from top to bottom arranged
Water pipe, generator top guide bearing drainpipe, air cooler of generator drainpipe, generator lower guide bearing drainpipe and the hydraulic turbine
Guide bearing drainpipe.
Further, the hydrostatic pressing height of the downstream tail water is less than turbine-generator units draining system in the non-flood season
System, the hydrostatic pressing height of downstream tail water are higher than turbine-generator units drainage system in the flood season.
Further, the connecting line between triple valve and seepage from powerhouse sump is successively by the second service valve, electricity
Magnet valve and the 3rd service valve, bypass maintenance pipeline is additionally provided with the pipeline and bypasses second service valve, magnetic valve and the 3rd
Service valve, normally close valve is provided with bypass maintenance pipeline；Pipeline by turbine-generator units drainage system to sump is long-term
It is closed, opening is chronically at by the pipeline of drainage system to the downstream tail water of turbine-generator units.
According to above drainage system, water discharge method of the invention is such：When downstream, tail water river level is relatively low, and quiet
When hydraulic pressure is highly less than turbine-generator units drainage system, carried out by the pipeline of turbine-generator units drainage system to downstream tail water
Draining；When downstream tail water undergoes flood, river level is higher, and hydrostatic pressing is highly higher than turbine-generator units drainage system
When, by the pipeline draining of turbine-generator units drainage system to seepage from powerhouse sump.
Further, the hydraulic pressure of the turbine-generator units drainage system is higher than downstream tail water for a long time, by check valve with
First service valve free-draining is to downstream tail water.
Further, closing shape is chronically at by the pipeline of turbine-generator units drainage system to seepage from powerhouse sump
State, only when flood period downstream tail water hydraulic pressure is higher than turbine-generator units drainage system, the second interface of triple valve is by the
Two service valves, magnetic valve and the 3rd service valve to seepage from powerhouse sump, magnetic valve are in normal off status, and its unlatching is become by pressure
Send device control.
Further, when flood period downstream tailwater elevation is higher, after unit draining to seepage from powerhouse sump, by being installed on
Outside water pump pump drainage to the factory of seepage from powerhouse sump.
By adopting the above-described technical solution, the drainage system of the present invention can be according to the water level conditions in downstream tail water river course
Technology drainaging scheme is adjusted flexibly.When downstream river course for a long time be in low water level when, by the thrust bearing of turbine-generator units,
The coolant outlet hydraulic pressure of top guide bearing, aerial cooler, lower guide bearing and turbine guide bearing etc. remains able to flow automatically in water
Drain into downstream tail water river course；When downstream river course is undergoing the flood season, when the river course short time is in high water level, now pass through water
The coolant outlet of thrust bearing, top guide bearing, aerial cooler, lower guide bearing and the turbine guide bearing of turbine generator group etc.
Hydraulic pressure, which can not flow automatically water, drains into downstream tail water river course, therefore after pressure sensor senses pressure, automatically opening up magnetic valve will
The seepage sump that water is drained into factory building, and the draining pump by being installed on sump drains into water outside factory building, and check valve
With check function, it ensure that downstream tail water can not pour in down a chimney into factory building.The purpose of safety and energy-conservation is reached.Therefore, it is of the invention
Compared with prior art, the present invention, which not only has, technology drainaging scheme is adjusted flexibly according to the water level conditions in downstream tail water river course
The advantages of, but also have the advantages that draining is reliable and energy-saving.
Brief description of the drawings
Fig. 1 is the structural representation of drainage system of the present invention；
Fig. 2 is the structural representation of the turbine-generator units drainage system in drainage system of the present invention.
Mark in accompanying drawing for：1- turbine-generator units drainage systems, 2- seepage from powerhouse sumps, 3- downstreams tail water, 4-
Triple valve, 5- check valves, the service valves of 6- first, 7- pressure transmitters, 8- normally close valves, the service valves of 9- second, 10- magnetic valves, 11-
3rd service valve, 12- generator thrust bearing drainpipes, 13- generator top guide bearing drainpipes, 14- air cooler of generators row
Water pipe, 15- generator lower guide bearing drainpipes, 16- turbine guide bearing drainpipes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As shown in figure 1, this drainage system of the present invention is such：In the draining of turbine-generator units drainage system 1
Triple valve 4 is provided with the pipeline of house steward, the first interface of triple valve 4 is connected with turbine-generator units drainage system 1, triple valve
4 second interface is connected with seepage from powerhouse sump 2, and the 3rd interface of triple valve 4 is connected with check valve 5, check valve 5 and first
Service valve 6 is connected, and the first service valve 6 is connected with pressure transmitter 7, and pressure transmitter 7 is connected with downstream tail water 3.Wherein, water wheels
The drainage system 1 of generating set includes the generator thrust bearing drainpipe 12 from top to bottom arranged, generator top guide bearing row
Water pipe 13, air cooler of generator drainpipe 14, generator lower guide bearing drainpipe 15 and turbine guide bearing drainpipe 16,
As shown in Figure 2.
Common, the hydrostatic pressing height of downstream tail water 3 is less than turbine-generator units drainage system 1 in the non-flood season, under
The hydrostatic pressing height for swimming tail water 3 is higher than turbine-generator units drainage system 1 in the flood season.Triple valve 4 catchments with seepage from powerhouse
Connecting line between well 2 is additionally provided with successively by the second service valve 9, the service valve 11 of magnetic valve 10 and the 3rd on the pipeline
Bypass maintenance pipeline bypasses second service valve 9, the service valve 11 of magnetic valve 10 and the 3rd, is provided with bypass maintenance pipeline
Normally close valve 8；Closed mode is chronically at by the pipeline of drainage system 1 to the seepage from powerhouse sump 2 of turbine-generator units, by water
The pipeline of drainage system 1 to the downstream tail water 3 of turbine generator group is chronically at opening.
This drainage system of the present invention realizes turning for a variety of water supply schemes by the combination of triple valve and magnetic valve
Change, one of which way of supplying water can be selected according to external condition, it is ensured that turbine-generator units in all cases can be normal
Work, the purpose of safety and energy-conservation is reached.The present invention not only has and can flexibly adjusted according to the water level conditions in downstream tail water river course
The advantages of adjusting technique drainaging scheme, but also have the advantages that draining is reliable and energy-saving.
Water discharge method using this system of the present invention is such：When the river level of downstream tail water 3 is relatively low, and hydrostatic
When pressure height is less than turbine-generator units drainage system 1, entered by the pipeline of turbine-generator units drainage system 1 to downstream tail water 3
Row draining；When downstream tail water 3 undergoes flood, river level is higher, and hydrostatic pressing is highly higher than turbine-generator units draining system
Unite 1 when, by the pipeline draining of turbine-generator units drainage system 1 to seepage from powerhouse sump 2.
The hydraulic pressure of turbine-generator units drainage system 1 is higher than downstream tail water 3 for a long time, passes through the service valve 6 of check valve 5 and first
Free-draining is to downstream tail water 3.
Closed mode is chronically at by the pipeline of turbine-generator units drainage system 1 to seepage from powerhouse sump 2, only when
When the hydraulic pressure of flood period downstream tail water 3 is higher than turbine-generator units drainage system 1, the second interface of triple valve 4 is by the second maintenance
Valve 9, the service valve 11 of magnetic valve 10 and the 3rd to seepage from powerhouse sump 2, magnetic valve 10 are in normal off status, and it is opened by pressure
Transmitter 7 controls.
When flood period 3 water levels of downstream tail water are higher, after unit draining to seepage from powerhouse sump 2, oozed by being installed on factory building
Outside water pump pump drainage to the factory for leaking sump 2.
Certainly, the above is the concrete application example of the present invention, and the present invention also has other embodiments, all using equivalent
The technical scheme that replacement or equivalent transformation are formed, all falls within protection domain of the presently claimed invention.
Claims (8)
- A kind of 1. drainage system of the turbine-generator units in the higher river of tailwater level, it is characterised in that：Arranged in turbine-generator units Triple valve (4), the first interface and turbine-generator units of triple valve (4) are provided with the pipeline of the main sewer of water system (1) Drainage system (1) is connected, and the second interface of triple valve (4) is connected with seepage from powerhouse sump (2), and the 3rd of triple valve (4) connects Mouth is connected with check valve (5), and check valve (5) is connected with the first service valve (6), and the first service valve (6) connects with pressure transmitter (7) Connect, pressure transmitter (7) is connected with downstream tail water (3).
- 2. the drainage system of the turbine-generator units in the higher river of tailwater level according to claim 1, it is characterised in that：Institute State the generator thrust bearing drainpipe (12) that the drainage system (1) of turbine-generator units includes from top to bottom arranging, generator Top guide bearing drainpipe (13), air cooler of generator drainpipe (14), generator lower guide bearing drainpipe (15) and water wheels Machine guide bearing drainpipe (16).
- 3. the drainage system of the turbine-generator units in the higher river of tailwater level according to claim 1, it is characterised in that：Institute The hydrostatic pressing height for stating downstream tail water (3) is less than turbine-generator units drainage system (1), downstream tail water (3) in the non-flood season Hydrostatic pressing height in the flood season be higher than turbine-generator units drainage system (1).
- 4. the drainage system of the turbine-generator units in the higher river of tailwater level according to claim 1, it is characterised in that：Three Connecting line between port valve (4) and seepage from powerhouse sump (2) is successively by the second service valve (9), magnetic valve (10) and the Three service valves (11), bypass maintenance pipeline is additionally provided with the pipeline and bypasses second service valve (9), magnetic valve (10) and the Three service valves (11), normally close valve (8) is provided with bypass maintenance pipeline；By turbine-generator units drainage system (1) to factory building The pipeline of seepage sump (2) is chronically at closed mode, by the drainage system (1) of turbine-generator units to downstream tail water (3) Pipeline be chronically at opening.
- A kind of 5. draining system of the turbine-generator units in the higher river of tailwater level in 1-4 using claim described in any one The water discharge method of system, it is characterised in that：When downstream tail water (3), river level is relatively low, and hydrostatic pressing is highly less than hydrogenerator During group drainage system (1), draining is carried out by the pipeline of turbine-generator units drainage system (1) to downstream tail water (3)；When downstream tail When water (3) undergoes flood, river level is higher, and when hydrostatic pressing is highly higher than turbine-generator units drainage system (1), by water wheels Generating set drainage system (1) to seepage from powerhouse sump (2) pipeline draining.
- 6. water discharge method according to claim 5, it is characterised in that：The water of the turbine-generator units drainage system (1) Pressure is higher than downstream tail water (3) for a long time, passes through check valve (5) and the first service valve (6) free-draining to downstream tail water (3).
- 7. water discharge method according to claim 5, it is characterised in that：By turbine-generator units drainage system (1) to factory building The pipeline of seepage sump (2) is chronically at closed mode, and only when flood period downstream tail water (3), hydraulic pressure is higher than hydrogenerator During group drainage system (1), the second interface of triple valve (4) passes through the second service valve (9), magnetic valve (10) and the 3rd service valve (11) normal off status is in seepage from powerhouse sump (2), magnetic valve (10), it is opened is controlled by pressure transmitter (7).
- 8. water discharge method according to claim 5, it is characterised in that：When flood period downstream tail water (3), water level is higher, unit After draining to seepage from powerhouse sump (2), by being installed on outside water pump pump drainage to the factory of seepage from powerhouse sump (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710595564.8A CN107419789A (en) | 2017-07-20 | 2017-07-20 | The drainage system and water discharge method of the turbine-generator units in the higher river of tailwater level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710595564.8A CN107419789A (en) | 2017-07-20 | 2017-07-20 | The drainage system and water discharge method of the turbine-generator units in the higher river of tailwater level |
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| Publication Number | Publication Date |
|---|---|
| CN107419789A true CN107419789A (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710595564.8A Pending CN107419789A (en) | 2017-07-20 | 2017-07-20 | The drainage system and water discharge method of the turbine-generator units in the higher river of tailwater level |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468312A (en) * | 2018-05-21 | 2018-08-31 | 长江勘测规划设计研究有限责任公司 | A kind of long diversion power station high head and large flow energy dissipating decompression drainage system |
| CN111119141A (en) * | 2020-01-17 | 2020-05-08 | 中国电建集团贵阳勘测设计研究院有限公司 | Tail water hole export overhauls gate and fills drainage structures |
| CN111237636A (en) * | 2020-01-07 | 2020-06-05 | 华电电力科学研究院有限公司 | Intelligent drainage system of compressed air storage tank and control method |
| CN112832771A (en) * | 2020-12-31 | 2021-05-25 | 中国华冶科工集团有限公司 | Movable stage type vertical shaft drainage device and drainage method |
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| CN101565963A (en) * | 2009-05-15 | 2009-10-28 | 中国水电顾问集团华东勘测设计研究院 | Discharge structure of underground factory |
| 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 |
| KR20120025065A (en) * | 2010-09-06 | 2012-03-15 | 이세환 | De-pressure drainage system for underground water |
| CN104595091A (en) * | 2014-10-23 | 2015-05-06 | 贵州黔水科技有限责任公司 | Water supply system and water supply scheme of water-turbine generator set in heavy sediment-carrying river |
| CN204613192U (en) * | 2015-03-24 | 2015-09-02 | 中国电建集团华东勘测设计研究院有限公司 | Unit seepage monitoring water quality on line and disposal system |
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2017
- 2017-07-20 CN CN201710595564.8A patent/CN107419789A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101565963A (en) * | 2009-05-15 | 2009-10-28 | 中国水电顾问集团华东勘测设计研究院 | Discharge structure of underground factory |
| 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 |
| KR20120025065A (en) * | 2010-09-06 | 2012-03-15 | 이세환 | De-pressure drainage system for underground water |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468312A (en) * | 2018-05-21 | 2018-08-31 | 长江勘测规划设计研究有限责任公司 | A kind of long diversion power station high head and large flow energy dissipating decompression drainage system |
| CN111237636A (en) * | 2020-01-07 | 2020-06-05 | 华电电力科学研究院有限公司 | Intelligent drainage system of compressed air storage tank and control method |
| CN111119141A (en) * | 2020-01-17 | 2020-05-08 | 中国电建集团贵阳勘测设计研究院有限公司 | Tail water hole export overhauls gate and fills drainage structures |
| CN112832771A (en) * | 2020-12-31 | 2021-05-25 | 中国华冶科工集团有限公司 | Movable stage type vertical shaft drainage device and drainage method |
| CN112832771B (en) * | 2020-12-31 | 2022-07-12 | 中国华冶科工集团有限公司 | Movable stage type vertical shaft drainage device and drainage method |
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| PB01 | Publication | ||
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Application publication date: 20171201 |