CN104846914B - Power plant's riverbed water fetching device - Google Patents
Power plant's riverbed water fetching device Download PDFInfo
- Publication number
- CN104846914B CN104846914B CN201510283453.4A CN201510283453A CN104846914B CN 104846914 B CN104846914 B CN 104846914B CN 201510283453 A CN201510283453 A CN 201510283453A CN 104846914 B CN104846914 B CN 104846914B
- Authority
- CN
- China
- Prior art keywords
- water
- sand setting
- setting area
- power plant
- storage pond
- 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.)
- Active
Links
Landscapes
- Sewage (AREA)
Abstract
The invention discloses a kind of power plant riverbed water fetching device, it includes water inlet, storage pond and water plant, the pond of regulating and storing is located between the water inlet and the water plant, the water inlet is connected with the pond of regulating and storing, sand setting area is provided with close to the water inlet in the pond of regulating and storing, the sand setting area is connected with the storage pond.Power plant riverbed water fetching device sets storage pond between water inlet and water plant, and the water flowed into from water inlet can be first into the storage pond, and the moisture storage capacity of storage pond is ensured in application, meets requirement of the power plant to long-time continuous water supply safety；And by setting sand setting area, the raw water that can be taken to water inlet carries out preformed precipitate in the very first time, flood period is greatly improved into the raw water quality of storage pond and follow-up water plant etc., and reduce water fetching device and integrally clear up, overhaul difficulty, when safeguarding, emphasis is only needed to clear up sand setting area.
Description
Technical field
The present invention relates to power plant construction technical field, a kind of power plant riverbed water fetching device is referred in particular to.
Background technology
Water is flowed " blood " in power plant, how according to water source type, water source position, source quality, suits measures to local conditions ground
The water extracting scheme of selection economical rationality is one of content for most meriting attention in power plant's Hydraulic Design.At present, power plant construction for
Continuous many days water supply securities propose higher requirement.The water sources of the country such as Southeast Asia are more by flood influence, rain
Season is longer, delivery period water quality inferiority, and sediment charge is high.At present, use from intake more and pass through the side such as pipeline, open channel, box culvert
The direct diversion of formula is to the water extracting scheme of water plant, and water supply security only controlled by 97% low water level, 99% low water level etc.
How system, therefore, set the problem that safe and reliable water fetching device is significant and research.
The content of the invention
Based on this, the present invention provides a kind of power plant riverbed water fetching device, and it can overcome the defect of prior art, can be true
The uninterrupted water supply of power plant is protected, the requirement of water supply high security is improved.
Its technical scheme is as follows：
A kind of power plant riverbed water fetching device, it includes water inlet, storage pond and water plant, and the pond of regulating and storing is located at
Between the water inlet and the water plant, the water inlet is connected with the pond of regulating and storing, close in the pond of regulating and storing
The water inlet is provided with sand setting area, and the sand setting area is connected with the storage pond.
Further technical scheme is illustrated below：
In one of the embodiments, be interval between the entrance and exit in the sand setting area it is multiple be alternately arranged
One dividing plate, second partition, first dividing plate, the second partition are individually fixed in the relative wall in two, sand setting area.
In one of the embodiments, the storage pond dischargeable capacity is V, V=Q × T, and pool area of regulating and storing is S,Wherein：
Q is power plant's total water consumption,
T is the guarantee safety water supply time,
H is storage pond available depth.
In one of the embodiments, the elevation of bottom of the storage pond is h3, h3=h1-H-h2, storage pond dam crest absolute altitude
For h6, h6=h4+h5, wherein：
h1For Demand Design low water level,
h2For Sediment Siltation thickness,
h4For limit Design high water level,
h5For superelevation.
In one of the embodiments, the sand setting area is M in the quantity of sand and mud that a flood period domestic demand is accommodated1, M1=Q ×
T1× α, wherein：
Q is power plant's total water consumption,
T1For annual duration flood period,
α is flood period raw water silt content.
In one of the embodiments, the area in the sand setting area is S1,Wherein：
V1The silt volume stored for sand setting area within a flood period,
H1Consider Sediment Siltation thickness for sand setting area,
ρ is silt density.
In one of the embodiments, the sand setting section length is L1,Wherein B1For the width in sand setting area, it is
The 1/5-1/4 of storage pond width.
In one of the embodiments, in the sand setting area the popular distance of current is L2,OrWherein：
b1Wall length is separated for sand setting,
b2Wall spacing is separated for sand setting,
t1For current fashionable colors in sand setting area.
In one of the embodiments, the entrance in the sand setting area is located therein, and the outlet in sand setting area is located at its two ends
Portion.
In one of the embodiments, the dam of the storage pond is provided with connecting bridge, and the connecting bridge is located at the water inlet
Between mouth and described water plant.
The beneficial effects of the present invention are：
Above-mentioned power plant riverbed water fetching device sets storage pond between water inlet and water plant, the water flowed into from water inlet
It can be first into the storage pond, ensure the moisture storage capacity of storage pond in application, meet power plant to long-time continuous water supply
The requirement of safety；And by setting sand setting area, the raw water that can be taken to water inlet carries out preformed precipitate in the very first time, carries significantly
High flood period enters the raw water quality of storage pond and follow-up water plant etc., further ensures that the safe and reliable operation of water fetching device,
And reduce water fetching device and integrally clear up, overhaul difficulty, when safeguarding, only need emphasis to clear up sand setting area.
Brief description of the drawings
Fig. 1 is the structural representation of power plant's riverbed water fetching device described in the embodiment of the present invention；
Fig. 2 is the partial enlarged drawing of I in Fig. 1.
Description of reference numerals：
12nd, water inlet, 14, storage pond, 141, connecting bridge, 142, sand setting area, 143, entrance, 144, outlet, 146, first
Dividing plate, 148, second partition, 16, water plant.
Embodiment
Embodiments of the invention are described in detail below：
As shown in figure 1, a kind of power plant riverbed water fetching device, it includes water inlet 12, storage pond 14 and water plant 16,
The pond 14 of regulating and storing is located between the water inlet 12 and the water plant 16, the water inlet 12 and the pond of regulating and storing
14 connections, sand setting area 142 is provided with the pond 14 of regulating and storing at the water inlet 12, and the sand setting area 142 is adjusted with described
Reservoir 14 is connected.
Power plant riverbed water fetching device can directly be fetched water by water inlet 12 in riverbed, and in water inlet 12 and water pump
Storage pond 14 is set between room 16, and the water flowed into from water inlet 12 can be first into the storage pond 14, in use, can
By ensuring the moisture storage capacity of storage pond 14, to meet requirement of the power plant to long-time continuous water supply safety；And it is heavy by setting
Sand area 142, the raw water that can be taken to water inlet 12 carries out preformed precipitate in the very first time, greatly improves flood period into storage pond 14
And the raw water quality of the follow-up grade of water plant 16, the safe and reliable operation of water fetching device is further ensured that, and it is whole to reduce water fetching device
Body cleaning, maintenance difficulty, when safeguarding, only need emphasis to clear up sand setting area 142.
Connecting bridge 141 can be also provided with the dam of the storage pond 14, the connecting bridge 141 is located at the water inlet 12
Between the water plant 16, personnel are facilitated to walk.
By the adjustment of the parameters such as the volume V, area S, depth H to the storage pond 14, it can be required according to different waters
The size of power plant riverbed water fetching device is designed, so that meet contract or specification ensures that duration is wanted to certain water supply security
Ask；Such as meet 90 hours safety water supplies.
The dischargeable capacity of storage pond 14 is V=Q × T, m3, the area of storage pond 14 ism2, wherein：
Q is power plant's total water consumption, can be determined according to power plant's water balanced calculation, m3/h；
T is ensures the safety water supply time, as agreed or local code requirement is determined, h；
H is storage pond available depth, and m, preferably H are 1.5-2.0m.
The elevation of bottom of the storage pond 14 is h3, h3=h1-H-h2, m, storage pond dam crest absolute altitude is h6, m, h6=h4+h5,
Wherein：
h1For Demand Design low water level, m；
h2For Sediment Siltation thickness, m；It is preferred that h2For 0.5-1.0m；
h4For limit Design high water level, m；Can be using the a-hundred-year peak level of local hydrological statistics as design standard；
h5For superelevation, m；It is preferred that value is 0.5m.
As shown in Fig. 2 be interval between the entrance 143 in the sand setting area 142 and outlet 144 it is multiple be alternately arranged the
One dividing plate 146, second partition 148, first dividing plate 146, the second partition 148 are individually fixed in 142 two, sand setting area
Relative wall.The water of water inlet 12 enters sand setting area 142 after passing through the dam body of storage pond 14 by the entrance 143 in sand setting area
Interior, the present embodiment preferably entrance 143 in the sand setting area 142 is located therein, and the outlet 144 in sand setting area 142 be located at its two
End.The present embodiment preferably sand setting area 142 is rectangular configuration.Current are entering the sand setting by the entrance 143
It is popular according to the water stream channel formed between first dividing plate 146, the second partition 148 after in area 142, add water
Flow fashionable colors.The raw water of flood period high quantity of sand and mud first carries out preliminary sedimentation when entering power plant's riverbed water fetching device in sand setting area 142, makes
Most of silt is concentrated and is deposited in sand setting area 142, easy cleaning, and improve into storage pond 14, water plant 16
Deng subsequent structural and the raw water quality of equipment.
Wherein, the sand setting area 142 is M in the quantity of sand and mud that a flood period domestic demand is accommodated1, kg, M1=Q × T1× α, its
In：
Q is power plant's total water consumption, m3/ h, can be determined according to power plant's water balanced calculation；
T1For annual duration flood period, h can be determined according to local hydrological data；
α is flood period raw water silt content, kg/m3, can be determined according to local hydrological data or actual measurement.
The area in the sand setting area is S1,m2, wherein：
V1The silt volume stored for sand setting area within a flood period, m3。
H1Consider Sediment Siltation thickness, m for sand setting area.
ρ is silt density, kg/m3, preferably value is 2.5 × 103kg/m3。
The length of sand setting area 142 is L1,M, wherein B1For the width in sand setting area 142, m, sand setting area 142
Width is the 1/5-1/4 of the width of storage pond 14.
The popular distance of current in the sand setting area 142 is L2(m),Or
Wherein：
b1Wall length, m are separated for sand setting；
b2Wall spacing, m are separated for sand setting；
t1For current fashionable colors in sand setting area, h, preferably value are 24h.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of power plant riverbed water fetching device, it is characterised in that it includes water inlet, storage pond and water plant, the tune
Cistern is located between the water inlet and the water plant, and the water inlet is connected with the pond of regulating and storing, and is adjusted described
Cistern is provided with sand setting area close to the water inlet, and the sand setting area is connected with the storage pond, the entrance in the sand setting area
It is located therein, the outlet in sand setting area, which is located between its both ends, the entrance and exit in the sand setting area, is interval with multiple friendships
For the first dividing plate, the second partition of arrangement, it is relative that first dividing plate, the second partition are individually fixed in two, sand setting area
Wall.
2. power plant riverbed according to claim 1 water fetching device, it is characterised in that the storage pond dischargeable capacity is V, V
=Q × T, pool area of regulating and storing is S,Wherein：
Q is power plant's total water consumption,
T is the guarantee safety water supply time,
H is storage pond available depth.
3. power plant riverbed according to claim 2 water fetching device, it is characterised in that the elevation of bottom of the storage pond is h3,
h3=h1-H-h2, storage pond dam crest absolute altitude is h6, h6=h4+h5, wherein：
h1For Demand Design low water level,
h2For Sediment Siltation thickness,
h4For limit Design high water level,
h5For superelevation.
4. power plant riverbed according to claim 1 water fetching device, it is characterised in that the sand setting area is within a flood period
The quantity of sand and mud that need to be accommodated is M1, M1=Q × T1× α, wherein：
Q is power plant's total water consumption,
T1For annual duration flood period,
α is flood period raw water silt content.
5. power plant riverbed according to claim 4 water fetching device, it is characterised in that the area in the sand setting area is S1,Wherein：
V1The silt volume stored for sand setting area within a flood period,
H1Consider Sediment Siltation thickness for sand setting area,
ρ is silt density.
6. power plant riverbed according to claim 5 water fetching device, it is characterised in that the sand setting section length is L1,Wherein B1It is the 1/5-1/4 of storage pond width for the width in sand setting area.
7. power plant riverbed according to claim 6 water fetching device, it is characterised in that current in the sand setting area it is popular away from
From for L2,OrWherein：
b1Wall length is separated for sand setting,
b2Wall spacing is separated for sand setting,
t1For current fashionable colors in sand setting area.
8. power plant riverbed according to claim 1 water fetching device, it is characterised in that the dam of the storage pond is provided with connection
Bridge, the connecting bridge is located between the water inlet and described water plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510283453.4A CN104846914B (en) | 2015-05-27 | 2015-05-27 | Power plant's riverbed water fetching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510283453.4A CN104846914B (en) | 2015-05-27 | 2015-05-27 | Power plant's riverbed water fetching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104846914A CN104846914A (en) | 2015-08-19 |
| CN104846914B true CN104846914B (en) | 2017-09-22 |
Family
ID=53846869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510283453.4A Active CN104846914B (en) | 2015-05-27 | 2015-05-27 | Power plant's riverbed water fetching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104846914B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178389B (en) * | 2015-09-02 | 2017-05-03 | 中国能源建设集团广东省电力设计研究院有限公司 | Intake structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2222670C2 (en) * | 2002-01-08 | 2004-01-27 | Вологодский государственный технический университет | Installation for water intake from the surface water sources and the water purification |
| CN201151898Y (en) * | 2007-12-05 | 2008-11-19 | 中国水电顾问集团中南勘测设计研究院 | Hydraulic power plant water inlet sand-repellent facilities |
| CN201510783U (en) * | 2009-09-10 | 2010-06-23 | 桐昆集团股份有限公司 | Sludge settling pond |
| KR101328635B1 (en) * | 2011-08-12 | 2013-11-14 | (주)써포텍 | Sediment removing apparatus for plant intake water channel or drainage water channel |
| CN202380517U (en) * | 2011-11-07 | 2012-08-15 | 江西稀有稀土金属钨业集团有限公司 | Device for taking water from water source |
| CN204738346U (en) * | 2015-05-27 | 2015-11-04 | 中国能源建设集团广东省电力设计研究院有限公司 | Riverbed water intake device of power plant |
-
2015
- 2015-05-27 CN CN201510283453.4A patent/CN104846914B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104846914A (en) | 2015-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204282442U (en) | Water circulation treatment device for landscape architecture | |
| CN104612237B (en) | Rainfall flood regulating system | |
| Huffaker et al. | Agricultural water conservation legislation: Will it save water? | |
| CN107162201A (en) | A kind of multifunctional ecological canalization applied to water conservancy structure side slope | |
| CN108277783A (en) | Fish pass moisturizing attracting structure and its moisturizing attracting method | |
| CN107190838A (en) | A kind of underground staged chain rainwater storage pond | |
| CN104846914B (en) | Power plant's riverbed water fetching device | |
| CN204738346U (en) | Riverbed water intake device of power plant | |
| CN203139767U (en) | Sewage filtering tank | |
| CN104956935A (en) | Device and method for assessing flood resistance and water purification performance of small and medium sized plants | |
| CN105133696B (en) | Water obtaining structure | |
| CN209277275U (en) | A kind of administration structure of soil erosion | |
| CN208578071U (en) | A kind of underground pipe gallery structure that band rain sewage becomes a mandarin | |
| CN101251078A (en) | Application of low ebb electricity in water-utilization project | |
| CN103603315B (en) | River irrigation by pumping multifunctional landscape waterfall dam | |
| CN207244632U (en) | Deep foundation pit precipitation recharge system | |
| CN204343255U (en) | A kind of canal system hydraulic engineering is by the structure of high drop cheuch | |
| RU2562205C2 (en) | Method of creation of adjustable free flowing water flow and device for its implementation | |
| CN204343385U (en) | A kind of combined type water intake pumping station | |
| CN104372827A (en) | Building rainwater and washing water collection and reuse system | |
| CN208533489U (en) | A kind of hole side water-permeable fishway import water charging system setting water blocking pier | |
| CN209975486U (en) | Diversion tunnel structure for hydraulic engineering | |
| CN202969458U (en) | Pinnacle house rainwater collecting system | |
| CN112990757A (en) | Basin dry-running dry-water year ecological water transfer method | |
| CN207919508U (en) | Fish pass moisturizing attracting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |