CN207745566U - A kind of power station water-supply purification system - Google Patents
A kind of power station water-supply purification system Download PDFInfo
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- CN207745566U CN207745566U CN201721749078.9U CN201721749078U CN207745566U CN 207745566 U CN207745566 U CN 207745566U CN 201721749078 U CN201721749078 U CN 201721749078U CN 207745566 U CN207745566 U CN 207745566U
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Abstract
The utility model provides a kind of power station water-supply purification system, it include the water intaking tunnel being connect with water source, it is equipped with first filter layer, filter bed of essence, preceding plug layer, storage area and rear plug layer successively along water (flow) direction in water intaking tunnel, soakaway trench is equipped in the preceding plug layer, soakaway trench runs through preceding plug layer along water (flow) direction, and intake equipment is equipped at storage area or rear plug layer.The utility model purifies water source from water intaking source, ensures the water quality of water supply, reduces the purification cost of water power station water supply system, optimizes the integral arrangement of water system equipment and power station.
Description
Technical field
The utility model belongs to water power station water supply system field, is related to a kind of power station water-supply purification system, especially relates to
And the power station technical water supply water-supply purification system of water source junction.
Background technology
The water supply in power station includes：Technical water supply, fire fighting supply and living water.Wherein technical water supply water consumption is maximum,
Therefore technical water supply is also known as production water supply, main function is to carry out water cooling to running equipment, is also used for being lubricated (such as sometimes
Spindle sealing lubrication water) and hydraulic pressure operation (such as jet pump).
Power station technical water supply mainly has special requirement to water, hydraulic pressure, water quality, water temperature, in particular for water quality
Requirement standard it is higher.Technical water supply water-supply method in power station mainly has the sides such as penstock water intaking, the water intaking of tail water water pump at present
Formula, in order to reach the water quality requirement of high standard, it usually needs corresponding water treatment facilities are configured, such as water filter, desilting tank and phase
The equipment such as blowdown, the disinfection answered so that a whole set of water system is relative complex, and line service amount is big.
Above-mentioned existing water-supply method, often due to cost factor, has the upper limit for water treatment in design.Work as water
Power station water intaking is from the high river of surrounding sediment charge, and especially when river is in flood season, existing water-supply method can not carry
For the water supply of enough water quality, the low technical water supply of water quality be easy to cause power station technical water supply cooler blocking, main shaft seal
The problems such as pipeline blockage, causes water-supply shortages, influences generating set operation, larger loss is brought to power generation.Simultaneously
Since sediment charge is high in water source, the equipment longtime running such as water pump of water intaking is easy to wear, high failure rate, can also give production band
To influence.It is more demanding to the operational reliability of water pump especially when using tail water water pump water-supply method, it puts into and transports for the first time
The row cost of overhaul is all very big.
If water source can be directed to be purified from water intaking source, huge improvement fundamentally is brought to water system, is optimized
The integral arrangement of water system equipment and power station, while saving power station and integrally investing and later stage operation and maintenance cost.
Utility model content
The utility model in order to solve problems in the prior art, provides a kind of power station water-supply purification system, from water intaking
Purify water source at source, ensure the water quality of water supply, reduce the purification cost of water power station water supply system, optimization water system equipment and
The integral arrangement in power station.
To achieve the above object, the utility model is realized using the technical solution being made of following technical measures.
A kind of power station water-supply purification system includes the water intaking tunnel being connect with water source, is located in water intaking tunnel along water
First filter layer, filter bed of essence, preceding plug layer, storage area and the rear plug layer that stream direction is set gradually, interior is equipped with of the preceding plug layer are oozed
Water pipe, soakaway trench run through preceding plug layer along water (flow) direction, and intake equipment is equipped at storage area or rear plug layer.
The water source is reservoir water source or tail water water source.When tunnel of fetching water is connect with reservoir water source, tunnel of preferably fetching water
Water inlet is higher than reservoir spillway hole.
Preferably, the first filter layer is that the stone of latus rectum 20-100cm piles up composition.It is preferred that the wear-resistant rocks of hard, initial filter
Layer can be filtered to remove the impurity that particle is larger in water source.
Preferably, the filter bed of essence is that the sandstone of latus rectum 20-50mm piles up composition.It is preferred that cobblestone or quartzy sandstone, essence
Filtering layer can be filtered to remove the impurity that particle is smaller in water source.
When the water intaking tunnel is with being connect at reservoir water source：
Intake equipment is equipped with after described at plug layer, is to be equipped with intake pipe at rear plug layer, after intake pipe one end is run through
Plug layer stretches into storage area.It is fetched water by intake pipe in power station.
Preferably, the intake pipe is arranged apart from storage area bottom at least 1.5m.
Plug layer bottom end is equipped with sand discharge pipe after described, and sand discharge pipe one end is stretched into through rear plug layer in storage area.Storage area
The silt of interior deposition is discharged by sand discharge pipe.
Normally, it is described water intaking tunnel selection connection be arranged reservoir water source original design block plug at or reservoir
Outside water source gate, facilitates stopping reservoir water source to supply water and water intaking tunnel is overhauled.
When the water intaking tunnel is with being connect at tail water water source：
It is equipped with intake equipment at the storage area, is to be equipped with water pump, the water outlet of water pump and water intaking in storage area
Pipe connects.
Dredge pump is additionally provided in the storage area, and the water inlet of dredge pump is arranged less than water pump water inlet, dredge pump
Water outlet connect with sand discharge pipe.
Water depth sensor is equipped in the storage area.To detect water depth ratio in storage area, to grasp deposition indirectly
Silt height, so as to open dredge pump processing deposition silt.
It is that tunnel location area is fetched water where storage area equipped with maintenance room, indoor be equipped with of maintenance is fetched water to save space
Pipe and sand discharge pipe.
The utility model has the advantages that：
1, the utility model purifies water source at water source water intaking source by first filter layer, filter bed of essence and storage area, instead of water
Processing equipment achievees the effect that filter water source and non-maintaining, and to reduce purification water source cost, the fund for reducing relevant device is thrown
Enter.
2, the utility model in water intake system rear end because that need not be arranged traditional water treatment facilities, power station technical water supply
System space, which is arranged, to be optimized, and is reduced hydroelectric station design and is arranged difficulty.
3, the utility model directly obtains purified water source by intake equipment, and water quality meets relevant criterion, improves
The operational reliabilitys such as power station technical water supply equipment used in connection with such as unit cooler, main shaft seal, are conducive to the peace in power station
Row for the national games.
4, the utility model is simple in structure, reduces maintenance repair maintenance cost.
Description of the drawings
Fig. 1 is a kind of a kind of structural schematic diagram of power station water-supply purification system of the utility model.
Fig. 2 is the structural schematic diagram in section at A-A in Fig. 1.
Fig. 3 is the structural schematic diagram in section at B-B in Fig. 1.
Fig. 4 is a kind of another structural schematic diagram of power station water-supply purification system of the utility model.
Fig. 5 is the structural schematic diagram in section at C-C in Fig. 4.
Fig. 6 is the structural schematic diagram in section at D-D in Fig. 4.
In figure, 1 headstock gear, 2 gates, 3 first filter layers, 4 filter bed of essence, plug layer before 5,6 soakaway trench, 7 storage areas, plug after 8
Layer, 9 intake pipes, 10 sand discharge pipes, 11 tailwater tunnels, 12 water pumps, 13 dredge pumps, 14 water depth sensors, 15 maintenance rooms.
Specific implementation mode
The utility model is described in further detail by way of example and in conjunction with the accompanying drawings.It is worth noting that provide
Embodiment should not be understood as the limitation to scope of protection of the utility model, and person skilled in art is according to the present utility model interior
Appearance should belong to scope of protection of the utility model to some nonessential modifications and adaptations that the utility model is made.
Embodiment 1
As shown in Figs. 1-3, the connection water intaking tunnel outside reservoir water source gate 2, in the water intaking tunnel along water (flow) direction according to
It is secondary to be equipped with first filter layer 3, filter bed of essence 4, preceding plug layer 5, storage area 7 and rear plug layer 8, it is equipped with soakaway trench in the preceding plug layer 5
6, soakaway trench 6 runs through preceding plug layer 5 along water (flow) direction, intake pipe 9 is equipped at rear plug layer 8, after 9 one end of intake pipe is run through
Plug layer 8 stretches into storage area 7, and the intake pipe 9 is arranged apart from 7 bottom of storage area at least 1.5m.Power station passes through intake pipe
9 fetch water.8 bottom end of plug layer is equipped with sand discharge pipe 10 after described, and storage area 7 is stretched into 10 one end of sand discharge pipe through rear plug layer 8
Interior, the other end connects dredge pump, and the silt deposited in storage area 7 is discharged by sand discharge pipe.
The first filter layer 3 is that the wear-resistant rocks of hard of latus rectum 20-100cm pile up composition.First filter layer 3 can be filtered to remove
The larger impurity of particle in water source.
The filter bed of essence 4 is that the cobblestone of latus rectum 20-50mm piles up composition.Filter bed of essence can be filtered to remove particle in water source
Smaller impurity.
When needing to overhaul water intaking tunnel, by 1 closed shutter 2 of headstock gear to close water source.
Embodiment 2
As Figure 4-Figure 6, water intaking tunnel is connected in 11 side of tailwater tunnel, in the water intaking tunnel successively along water (flow) direction
Equipped with first filter layer 3, filter bed of essence 4, preceding plug layer 5, storage area 7 and rear plug layer 8, soakaway trench 6 is equipped in the preceding plug layer 5,
Soakaway trench 6 runs through preceding plug layer 5 along water (flow) direction, and water pump 12, the water outlet of water pump 12 and water intaking are equipped at storage area 7
Pipe 9 connects；Dredge pump 13 is additionally provided in the storage area 7, and the water inlet of dredge pump 13 is arranged less than water pump water inlet, row
The water outlet of dirt pump 13 is connect with sand discharge pipe 10.Water depth sensor 14 is equipped in the storage area 7, to detect storage area Nei Shui
Deep variation, to grasp the silt height of deposition indirectly, to open the silt of dredge pump processing deposition.Where storage area 7
Tunnel location top fetch water equipped with maintenance room 15, maintenance is indoor equipped with intake pipe 9 and sand discharge pipe 10, the operation of water depth sensor 14
End is similarly disposed at maintenance interior with display end.
The first filter layer 3 is that the wear-resistant rocks of hard of latus rectum 20-100cm pile up composition.First filter layer 3 can be filtered to remove
The larger impurity of particle in water source.
The quartz sand clitter that the filter bed of essence 4 is latus rectum 20-50mm, which is built, to be constituted.Filter bed of essence can be filtered to remove in water source
The smaller impurity of grain.
Claims (10)
1. a kind of power station water-supply purification system, it is characterised in that：Include the water intaking tunnel being connect with water source, is located at water intaking tunnel
First filter layer (3), filter bed of essence (4), preceding plug layer (5), storage area (7) and the rear plug layer set gradually along water (flow) direction in road
(8), soakaway trench (6) is equipped in the preceding plug layer (5), soakaway trench (6) runs through preceding plug layer (5) along water (flow) direction, in water storage
It is equipped with intake equipment at area (7) or rear plug floor (8).
2. a kind of power station water-supply purification system according to claim 1, it is characterised in that the first filter layer (3) is by latus rectum
The stone of 20-100cm piles up composition.
3. a kind of power station water-supply purification system according to claim 1 or claim 2, it is characterised in that the filter bed of essence (4) by
The sandstone of latus rectum 20-50mm piles up composition.
4. a kind of power station water-supply purification system according to claim 3, it is characterised in that set at plug layer (8) after described
There is intake equipment, is to be equipped with intake pipe (9) at rear plug layer (8), intake pipe one end is stretched into through rear plug layer in storage area.
5. a kind of power station water-supply purification system according to claim 4, it is characterised in that the intake pipe (9) setting away from
From storage area (7) bottom at least 1.5m.
6. a kind of power station water-supply purification system according to claim 4, it is characterised in that plug layer (8) bottom end after described
Equipped with sand discharge pipe (10), sand discharge pipe one end is stretched into through rear plug layer in storage area.
7. a kind of power station water-supply purification system according to claim 3, it is characterised in that be equipped at the storage area (7)
Intake equipment is that water pump (12) is equipped in storage area (7), and the water outlet of water pump (12) is connect with intake pipe (9).
8. a kind of power station water-supply purification system according to claim 7, it is characterised in that also set in the storage area (7)
There is dredge pump (13), and the water inlet of dredge pump (13) is arranged less than water pump (12) water inlet, the water outlet of dredge pump (13)
It is connect with sand discharge pipe (10).
9. a kind of power station water-supply purification system according to claim 7, it is characterised in that be equipped in the storage area (7)
Water depth sensor (14).
10. a kind of power station water-supply purification system according to claim 8, it is characterised in that taken where storage area (7)
Water tunnel position area is equipped with maintenance room (15), and maintenance is indoor to be equipped with intake pipe (9) and sand discharge pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721749078.9U CN207745566U (en) | 2017-12-14 | 2017-12-14 | A kind of power station water-supply purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721749078.9U CN207745566U (en) | 2017-12-14 | 2017-12-14 | A kind of power station water-supply purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207745566U true CN207745566U (en) | 2018-08-21 |
Family
ID=63148997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721749078.9U Active CN207745566U (en) | 2017-12-14 | 2017-12-14 | A kind of power station water-supply purification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207745566U (en) |
-
2017
- 2017-12-14 CN CN201721749078.9U patent/CN207745566U/en active Active
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