CN109629525A - A kind of deep water intake system and its operating method - Google Patents
A kind of deep water intake system and its operating method Download PDFInfo
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- CN109629525A CN109629525A CN201811569922.9A CN201811569922A CN109629525A CN 109629525 A CN109629525 A CN 109629525A CN 201811569922 A CN201811569922 A CN 201811569922A CN 109629525 A CN109629525 A CN 109629525A
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- China
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- water
- gate
- backwater
- gate device
- emptying
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/22—Stop log dams; Emergency gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
Abstract
The invention discloses a kind of deep water intake system and its operating method, deep water intake system includes several grades of water intaking units being successively arranged in juxtaposition along water intaking direction in river two sides, is realized by digging tunnel in river two sides massif or setting up pipeline.Water intaking unit arrangement elevations at different levels gradually decrease, every grade of water intaking unit includes the multiple backwater gate devices being arranged in juxtaposition, at least one emergency gate device and at least one emptying valve system, wherein, the quantity of backwater gate device increases step by step, backwater gate device includes the maintenance lock well being arranged in juxtaposition and work lock well, emergency gate device includes emergency lock well, is respectively arranged with bulkhead gate, main gate and emergency gate within maintenance lock well, work lock well, emergency lock well.River upstream head pressure is shared step by step by water intaking units at different levels and its corresponding valve system using technical solution of the present invention, is met water intaking and is required, ensure that the safe and stable operation of water intake system.
Description
Technical field
Present invention relates particularly to hydraulic and hydroelectric engineering technical field more particularly to a kind of deep water intake system and its operations
Method.
Background technique
High dam engineering is that China's socio-economic development brings huge energy benefit, and engineering emptying technology is that it is stablized, is safe
The important leverage of operation.But deep water intake building is often due to structure is born huge hydraulic thrust effect and can not be arranged in
Below the 80m depth of water.Water intaking depth and water withdrawal is caused to be limited to arrangement elevation, igfet gate, the gate structure of intake structure
Form and the method for operation.The water intaking range and water consumption of China's relevant industries are significantly impacted, or even needs to arrange more
Building, the more metal equipments of investment, time, human and material resources are at original meet demand.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of deep water intake system and its operating methods.
The present invention is achieved by following technical solution.
The present invention provides a kind of deep water intake systems, including tunnel, along flow direction within the tunnel, successively
It is disposed with the water intaking unit of multistage 1 that elevation reduces step by step, every grade of water intaking unit includes along flow direction in tunnel according to suitable
When multiple backwater gate devices, at least one emergency gate device and at least one emptying gate that spacing is successively arranged in juxtaposition
Device, wherein the quantity for the backwater gate device for being included within water intaking units at different levels is gradually increased at arithmetic progression, described
Backwater gate device includes the maintenance lock well and work lock well being successively arranged in juxtaposition along flow direction in tunnel in river,
Being provided within maintenance lock well can be along the bulkhead gate of maintenance lock well lifting carriage, and being provided within the lock well that works can be along work
The main gate of lock well lifting carriage, the emergency gate device include emergency lock well, and being provided within the emergency lock well can
Along the emergency gate of emergency lock well lifting carriage.
The tolerance of the arithmetic progression is 1.
When the quantity for the backwater gate device for being included within the water intaking unit is greater than 3, along water flow stream in tunnel
To stopping from the 2nd backwater gate device to last 1 backwater gate device, between two backwater gate devices of arbitrary neighborhood
It there also is provided overflow ducts, overflow ducts are connected to corresponding maintenance lock well, work lock well respectively.
The bulkhead gate, main gate and emergency gate are bulkhgead gate.
The emptying valve system includes emptying lock chamber, empties and is provided with emptying gate within lock chamber, and emptying gate can live
Be connected or be truncated dynamicly emptying lock chamber tunnel below.
The emptying gate is gates of segmental shape.
The emptying lock chamber and downstream tunnel junction are additionally provided with along river flow direction inclined pressure slope from high to low
Section.
When the quantity for the backwater gate device for being included within the water intaking unit is greater than 2, along water flow stream in tunnel
To, be additionally provided with feeding gallery A between two backwater gate devices of arbitrary neighborhood, the both ends of feeding gallery A respectively with the gear
Lock well or work lock well connection are overhauled within gate device accordingly.
Blowdown pipe, tunnel immediately below one end of blowdown pipe and the emergency lock well are additionally provided within the emergency lock well
The other end of connection, blowdown pipe extends along direction straight up.
The emptying lock chamber two sides are additionally provided with tonifying Qi hole, and tonifying Qi hole setting height is relative to the emptying gate top surface
Between difference in height be greater than 2 meters.
In addition, the present invention also provides a kind of operating methods of deep water intake system, comprising the following steps:
Using the deep water intake system, if the deep water intake system includes n grades of water intaking units 1, water intaking units 1 at different levels
Within included the quantity of backwater gate device 3 gradually increased at arithmetic progression, if arithmetic progression tolerance is △ d, the 1st grade
Unit 1 of fetching water includes m backwater gate device 3, then i-stage water intaking unit 1 includes k backwater gate device 3, wherein i=
1,2,3 ..., n, k value meet following relationship:
K=m+ (i-1) △ d；
If k backwater gate device 3 included by i-stage water intaking unit 1 is successively compiled along flow direction within tunnel 2
Serial number processed are as follows: a1,a2,a3,…,ak, when being operated to above-mentioned deep water intake system, comprising the following steps:
One, the water storage stage:
Step 1: along the direction opposite with flow direction in tunnel 2, the institute within n grades of water intaking units 1 is simultaneously closed off
There is emptying valve system 5；
Step 2: the upstream water level to all emptying valve systems 5 within n grades of units 1 of fetching water reaches corresponding
After preset water level height, all numbers simultaneously closed off within n grades of water intaking units 1 are akBackwater gate device 3；
Step 3: being a to all numbers within n grades of units 1 of fetching waterkThe upstream water level of backwater gate device 3 reach
After corresponding preset water level height, all numbers simultaneously closed off within n grades of water intaking units 1 are ak-1Backwater gate dress
Set 3；
Step 4: repeating step 3, until closing all backwater gate devices 3 within n grades of water intaking units 1, water storage rank
Section terminates；
Two, it fetches water the stage:
Step 1: along flow direction in tunnel 2, while all numbers opened within n grades of water intaking units 1 are a1's
Backwater gate device 3；
Step 2: being a to all numbers within n grades of units 1 of fetching water1Backwater gate device 3 the level of tail water and its
After upstream water level maintains an equal level, then all numbers opened within n grades of water intaking units 1 simultaneously are a2Backwater gate device 3；
Step 3: repeating step 2, until opening all numbers within n grades of water intaking units 1 simultaneously is akAll water blocking
Valve system 3；
Step 4: being a to all numbers within n grades of units 1 of fetching waterkBackwater gate device 3 the level of tail water and its
After upstream water level maintains an equal level, then all emptying valve systems 5 within n grades of water intaking units 1 are opened simultaneously, and fetch water from n-th grade
It fetches water within the 5 downstream tunnel 2 of emptying valve system of unit 1.
Three, the maintenance of backwater gate device 3:
When needing to overhaul the main gate 34 within backwater gate device 3, falls bulkhead gate 33 and block tunnel
Hole 2 is discharged water by concora crush charging pipe 6, after 3 water levels of upstream and downstream of backwater gate device maintains an equal level, then lifts the inspection of main gate 34
It repairs, maintenance finishes and puts down main gate 34, by concora crush charging pipe 6 to the 3 two sides upstream and downstream water-filling of backwater gate device, to
After the 3 two sides water levels of upstream and downstream of backwater gate device reaches preset height, lift bulkhead gate 33, completes maintenance；
Three, the maintenance of gate 52 is emptied:
When needing to overhaul emptying gate 52, emergency gate 42 corresponding thereto is closed, then lift emptying lock
Door 52 is overhauled, and maintenance finishes, and puts down emptying gate 52, after the water-filling of charging pipe both ends, in emergency gate device 4 on
After the level of tail water maintains an equal level, lift emergency gate 42, completes maintenance.
The beneficial effects of the present invention are: technical solution of the present invention is used, for the water intake system more than 80m depth of water,
Bottom of river channel is provided with the tunnel that section is gateway opening shape, by the way that multistage backwater gate device is arranged, makes from river
The hydraulic pressure of upstream reduces hydraulic pressure step by step, and makes to keep in balance to the reduction effect of hydraulic pressure in each high voltage pool, to be conducive to subtract
The setting series of backwater gate device, reduces construction work amount in few entire blowdown system, reduces difficulty of construction, saves construction
Construction cost further by the way that a plurality of communicating pipe is arranged, makes each high voltage pool be interconnected, and setting is more on communicating pipe
A valve is controlled, to make to keep in balance to the reduction effect of hydraulic pressure in each high voltage pool as much as possible, and can be led to
The opening and closing for crossing valve is adjusted the hydraulic pressure in each high voltage pool, haves laid a good foundation to be emptied completely head, this
Outside, the water level balance during emptying valve system inspection operation is also ensured, in addition, in multistage backwater gate device, finally
It is used when level-one backwater gate device is as maintenance, is also configured with corresponding blowdown pipe, it can be by blowdown pipe into water body
Tonifying Qi is carried out, avoids generating the rough sledding such as cavitation, negative pressure.In addition, ensure that blowdown system exists by setting spilling water gallery
Hydraulic pressure when operation in each high voltage pool does not exceed limit, is conducive to ensure blowdown system safe operation.
Using technical solution of the present invention, the reversed hydraulic thrust principle of hydraulics is taken full advantage of, by playing various gates
The advantage of pattern shares water blocking and water intaking function, while meeting the various functions of building water blocking, water intaking, moreover it is possible to will build
It builds object and is arranged in underwater deeper, get enough waters, the industry technology problem for successfully solving deep water intake, discharging water.This hair
Bright patent can arrange different layers of buildings according to water intaking depth requirements, and water intaking demand is flexibly met, breaches tradition and sets
Arrange that single story building object is not necessarily able to satisfy the limitation of water intaking demand in meter.This operating method meets system structure operation, inspection
It the various operation requirements under operating conditions such as repairs, meet an urgent need, meeting existing civil engineering, Jin Jie, electrical equipment technology requirement.This operating method
Using classification gate water blocking, using concora crush pipeline, concora crush vertical shaft and spilling water gallery balancing water pressure in fabric structure design,
Service requirement under each operating condition of realization system, has high safety and stability.Further, for driving maintenance
The power-equipment of gate and main gate is hierarchically arranged in the top of corresponding maintenance lock chamber or the lock chamber that works, and makes to overhaul lock
Door and main gate independent opposite to each other can use power, both saved the arrangement space of power-equipment, and also correspondingly reduced
Project amount and investment construction cost；It is provided with aerator below emptying lock chamber, ensure that between emptying gate and emergency gate
The hydraulic pressure air pressure of Tunnel Section balances, and increases stable structure safety；Empty lock chamber downstream is arranged pressure slope without pressure hole section top
Section correspondingly reduces without pressure hole peripheral wall height for reducing water surface curve, saves project amount and investment；Emergency gate setting is corresponding
Blowdown pipe, ensure that the air pressure stable water pressure under various working conditions, increase structure stability in use；In addition, this hair
The operating method of the deep water intake system of bright offer, effectively reduces fabric structure size, increases its operational safety of constructing
Property, project benefit has been significantly greatly increased.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of blowdown system of the present invention；
Fig. 2 is the structural schematic diagram of present invention water intaking unit；
Fig. 3 is the partial enlarged view of present invention water intaking unit.
In figure: 1- water intaking unit, 2- tunnel, 3- backwater gate device, 4- emergency gate device, 5- empty valve system,
6- concora crush charging pipe, 7- feeding gallery A, 8- feeding gallery B, 9- concora crush vertical shaft, 10- blowdown pipe, 11- gas vent, 12- dam
Curtain, 21- pressure slope section, 31- maintenance lock well, 32- work lock well, 33- bulkhead gate, 34- main gate, 35- block sand bank,
41- emergency lock well, 42- emergency gate, 51- empty lock chamber, and 52- empties gate, 53- aerator.
Specific embodiment
Technical solution of the present invention is further described with reference to the accompanying drawing, but claimed range is not limited to institute
It states.
Of the invention a kind of deep water intake system and its operating method, as shown in Figure 1, Figure 2, shown in Fig. 3, deep water intake system
Several grades being successively arranged in juxtaposition including the tunnel 2 being connected to water source and along flow direction in tunnel 2 on tunnel 2
Water intaking unit 1, and water intaking unit 1 at different levels arrangement elevation gradually decreases, and every grade of water intaking unit 1 includes along water in tunnel 2
Multiple backwater gate devices 3 that stream flow direction is successively arranged in juxtaposition according to appropriate spacing, at least one emergency gate device 4 and extremely
A few emptying valve system 5, wherein along flow direction in tunnel 2, the retaining box that is included within units 1 at different levels of fetching water
The quantity of door gear 3 is gradually increased at arithmetic progression, and backwater gate device 3 includes successively arranged side by side along flow direction in tunnel 2
The maintenance lock well 31 and work lock well 32 being arranged in river overhaul and are provided with and can be gone up and down within lock well 31 along maintenance lock well 31
The bulkhead gate 33 of sliding, work lock well 32 within be provided with can along work 32 lifting carriage of lock well main gate 34, accident
Valve system 4 includes emergency lock well 41, and being provided within emergency lock well 41 can be along the accident of 41 lifting carriage of emergency lock well
Gate 42.
The present invention provides a kind of deep water intake system and its operating methods, including successively along flow direction in tunnel 2
It is arranged in juxtaposition to dig within several grades of water intaking units in river, river riverbed and has tunnel, all water intaking units are arranged in
On tunnel, and along flow direction in tunnel 2, water intaking unit arrangement elevations at different levels are gradually decreased, and every grade of water intaking unit is equal
Including be successively arranged in juxtaposition along streamflow flow direction according to appropriate spacing multiple backwater gate devices, at least one accident
Valve system and at least one emptying valve system, wherein along flow direction in tunnel 2, wrapped within water intaking units at different levels
The quantity of the backwater gate device contained is gradually increased at arithmetic progression, and backwater gate device includes along flow direction in tunnel 2
It is successively arranged in juxtaposition in maintenance lock well and work lock well in river, overhauls and be provided with and can be gone up and down along maintenance lock well within lock well
The bulkhead gate of sliding, work lock well within be provided with can along work lock well lifting carriage main gate, emergency gate device
Including emergency lock well, being provided within emergency lock well can be along the emergency gate of emergency lock well lifting carriage.It is preferred that arithmetic progression
Tolerance be 1.
Further, bulkhead gate 33,34 arrangement form of main gate are rear sealing form.Emergency gate 42 is arranged
Form is preceding sealing form.Along flow direction in tunnel 2, the last one backwater gate device within water intaking units 1 at different levels
It there also is provided dam curtain 12 between 3 and emptying valve system 5.It is preferred that 12 position of dam curtain and emptying valve system 5
Between spacing be 5 meters to 6 meters.
When quantity about 3 for the backwater gate device for being included within unit of fetching water, along flow direction in tunnel 2,
Stop from the 2nd backwater gate device to last 1 backwater gate device, between two backwater gate devices of arbitrary neighborhood also
It is disposed with concora crush charging pipe, concora crush charging pipe is connected to corresponding maintenance lock well, work lock well respectively.
It is preferred that bulkhead gate, main gate and emergency gate are writing board shape.Emptying valve system includes emptying lock
Room, empties and is provided with rotatable emptying gate within lock chamber, and emptying gate is movably connected or is truncated emptying lock chamber or less
Tunnel.
In addition, 2 bottom of tunnel is additionally provided with aerator 53, aerator 53 is set to the underface of emptying lock chamber 51.Tunnel
2 bottoms, which are additionally provided with, blocks sand bank 35, along flow direction within tunnel 2, blocks sand bank 35 and is set within water intaking units 1 at different levels
At the upstream entrance of corresponding 1st backwater gate device 3.
It is preferred that emptying gate outer surface is circular shape.Emptying lock chamber and downstream tunnel junction are additionally provided with along river
Flow direction inclined pressure slope section from high to low.
When quantity about 2 for the backwater gate device for being included within unit of fetching water, along flow direction in tunnel 2,
Be additionally provided with feeding gallery A between two backwater gate devices of arbitrary neighborhood, the both ends of feeding gallery A respectively with backwater gate
Lock well or work lock well connection are overhauled within device accordingly.
Blowdown pipe is additionally provided within emergency lock well, one end of blowdown pipe is connected to tunnel immediately below emergency lock well, tonifying Qi
The other end of pipe extends along direction straight up.
Emptying lock chamber two sides are additionally provided with tonifying Qi hole, and setting height in tonifying Qi hole is relative to the height between emptying gate top surface
Degree difference is greater than 2 meters.
The beneficial effects of the present invention are: technical solution of the present invention is used, for the water intake system more than 80m depth of water,
Bottom of river channel is provided with the tunnel that section is gateway opening shape, by the way that multistage backwater gate device is arranged, makes from river
The hydraulic pressure of upstream reduces hydraulic pressure step by step, and makes to keep in balance to the reduction effect of hydraulic pressure in each high voltage pool, to be conducive to subtract
The setting series of backwater gate device, reduces construction work amount in few entire blowdown system, reduces difficulty of construction, saves construction
Construction cost further by the way that a plurality of communicating pipe is arranged, makes each high voltage pool be interconnected, and setting is more on communicating pipe
A valve is controlled, to make to keep in balance to the reduction effect of hydraulic pressure in each high voltage pool as much as possible, and can be led to
The opening and closing for crossing valve is adjusted the hydraulic pressure in each high voltage pool, haves laid a good foundation to be emptied completely head, this
Outside, the water level balance during emptying valve system inspection operation is also ensured, in addition, in multistage backwater gate device, finally
It is used when level-one backwater gate device is as maintenance, is also configured with corresponding blowdown pipe, it can be by blowdown pipe into water body
Tonifying Qi is carried out, avoids generating the rough sledding such as cavitation, negative pressure.In addition, ensure that blowdown system exists by setting spilling water gallery
Hydraulic pressure when operation in each high voltage pool does not exceed limit, is conducive to ensure blowdown system safe operation.
The reversed hydraulic thrust principle of hydraulics is made full use of, the advantage by playing various gate patterns is shared water blocking and taken
Water function, while meeting the various functions of building water blocking, water intaking, moreover it is possible to building is arranged in underwater deeper, taken
To enough waters, the industry technology problem that successfully solves deep water intake, discharge water.The invention patent can be wanted according to water intaking depth
The different layers of buildings of arrangement are sought, water intaking demand is flexibly met, breaches and arranges that single story building object is different in traditional design
Surely meet the limitation of water intaking demand.This operating method meets the various behaviour under the operating conditions such as system structure operation, maintenance, emergency
It is required, meets existing civil engineering, Jin Jie, electrical equipment technology requirement.This operating method utilizes in fabric structure design divides
Grade gate water blocking, using concora crush pipeline, concora crush vertical shaft and spilling water gallery balancing water pressure, realize the operation under each operating condition of system
It is required that having high safety and stability.Layered arrangement headstock gear is carried out to traditional flood-discharging hole structure, saves opening and closing
Machine arrangement space correspondingly reduces structure size and project amount and investment cost；Tonifying Qi bank, tonifying Qi hole are added after gates of segmental shape,
The hydraulic pressure air pressure balance that ensure that hole section between gates of segmental shape and emergency gate, increases stable structure safety；Without pressure hole section
Top pressure slope, two sides diffusion reduce water surface curve, correspondingly reduce without pressure hole peripheral wall height, save project amount and investment；Accident
Gate arranges tonifying Qi, charging pipe, guarantees the air pressure stable water pressure under each operating condition, increases structure stability in use；It is perpendicular to add traffic
The comprehensive innovative approach such as well and horizontal lock chamber, access gallery have greatly ensured the stabilization safety of each layer structure, are structure
Stablize effectively operation and higher guarantee is provided.This operating method effectively reduces fabric structure size, increases its construction operation
Project benefit has been significantly greatly increased in safety.
Further, the tolerance of arithmetic progression is 1.The number for the backwater gate device 3 for being included within unit 1 of fetching water
When amount about 3, along flow direction in tunnel 2, to last 1 backwater gate device 3 from the 2nd backwater gate device 3
Only, there also is provided concora crush charging pipe 6 between two backwater gate devices 3 of arbitrary neighborhood, concora crush charging pipe 6 respectively with it is corresponding
Maintenance lock well 31, work lock well 32 be connected to.6 quantity of concora crush charging pipe is at least 2.
It is preferred that bulkhead gate 33, main gate 34 and emergency gate 42 are writing board shape.Emptying valve system 5 includes
Lock chamber 51 is emptied, empties and is provided with rotatable emptying gate 52 within lock chamber 51, emptying gate 52 is movably connected or cuts
The disconnected emptying tunnel 2 below of lock chamber 51.Emptying 52 outer surface of gate is circular shape.
Further, emptying lock chamber 51 is additionally provided with 2 junction of downstream tunnel inclines from high to low along river flow direction
Oblique pressure slope section 21.
In addition, when quantity about 2 for the backwater gate device 3 for being included within unit 1 of fetching water, along water in tunnel 2
Stream flows to, and feeding gallery A7, the both ends difference of feeding gallery A7 are additionally provided between two backwater gate devices 3 of arbitrary neighborhood
It is corresponding within backwater gate device to overhaul lock well 31 or the work connection of lock well 32.Wherein, along water flow stream within tunnel
To the work lock well 32 that the last one backwater gate device 3 within water intaking units 1 at different levels is included also passes through feeding gallery
A7 is connected to concora crush vertical shaft 9, and feeding gallery A7 is in tilted layout from high to low along flow direction in tunnel 2, and the gradient is less than
3%.It is preferred that tunnel 2 be located at backwater gate device 3, emergency gate device 4 or emptying 5 or less partial cross sectional of valve system be
Rectangle is shape round or similar to gateway opening positioned at water intaking 1 rest part of unit partial cross sectional below.
Further, when quantity about 1 for the backwater gate device 3 for being included within unit 1 of fetching water, gate is emptied
It is also connected to by feeding gallery B8 between 5 upstream tunnel 2 of device and downstream tunnel 2.The gear for being included within unit 1 of fetching water
When the quantity of gate device 3 about 3, fetch water unit 1 within the last one backwater gate device 3 also by concora crush vertical shaft 9 with
Feeding gallery B8 connection.
It is preferred that blowdown pipe 10 is additionally provided within emergency lock well 41, immediately below one end of blowdown pipe 10 and emergency lock well 41
Tunnel 2 is connected to, and the other end of blowdown pipe 10 extends along direction straight up.Emptying 51 two sides of lock chamber are additionally provided with tonifying Qi hole 11,
The setting of tonifying Qi hole 11 height is greater than 2 meters relative to the difference in height between emptying 52 top surface of gate.
In addition, setting above-mentioned deep water intake system includes n grades of water intaking units 1, the gear for being included within water intaking units 1 at different levels
The quantity of gate device 3 is gradually increased at arithmetic progression, if arithmetic progression tolerance is △ d, the 1st grade of water intaking unit 1 includes m
A backwater gate device 3, then i-stage water intaking unit 1 includes k backwater gate device 3, wherein i=1,2,3 ..., n, k value
Meet following relationship:
K=m+ (i-1) △ d；
If k backwater gate device 3 included by i-stage water intaking unit 1 is successively compiled along flow direction within tunnel 2
Serial number processed are as follows: a1,a2,a3,…,ak, when being operated to above-mentioned deep water intake system, comprising the following steps:
One, the water storage stage:
Step 1: along the direction opposite with flow direction in tunnel 2, the institute within n grades of water intaking units 1 is simultaneously closed off
There is emptying valve system 5；
Step 2: the upstream water level to all emptying valve systems 5 within n grades of units 1 of fetching water reaches corresponding
After preset water level height, all numbers simultaneously closed off within n grades of water intaking units 1 are akBackwater gate device 3；
Step 3: being a to all numbers within n grades of units 1 of fetching waterkThe upstream water level of backwater gate device 3 reach
After corresponding preset water level height, all numbers simultaneously closed off within n grades of water intaking units 1 are ak-1Backwater gate dress
Set 3；
Step 4: repeating step 3, until closing all backwater gate devices 3 within n grades of water intaking units 1, water storage rank
Section terminates；
Two, it fetches water the stage:
Step 1: along flow direction in tunnel 2, while all numbers opened within n grades of water intaking units 1 are a1's
Backwater gate device 3；
Step 2: being a to all numbers within n grades of units 1 of fetching water1Backwater gate device 3 the level of tail water and its
After upstream water level maintains an equal level, then all numbers opened within n grades of water intaking units 1 simultaneously are a2Backwater gate device 3；
Step 3: repeating step 2, until opening all numbers within n grades of water intaking units 1 simultaneously is akAll water blocking
Valve system 3；
Step 4: being a to all numbers within n grades of units 1 of fetching waterkBackwater gate device 3 the level of tail water and its
After upstream water level maintains an equal level, then all emptying valve systems 5 within n grades of water intaking units 1 are opened simultaneously, and fetch water from n-th grade
It fetches water within the 5 downstream tunnel 2 of emptying valve system of unit 1.
Three, the maintenance of backwater gate device 3:
When needing to overhaul the main gate 34 within backwater gate device 3, falls bulkhead gate 33 and block tunnel
Hole 2 is discharged water by concora crush charging pipe 6, after 3 water levels of upstream and downstream of backwater gate device maintains an equal level, then lifts the inspection of main gate 34
It repairs, maintenance finishes and puts down main gate 34, by concora crush charging pipe 6 to the 3 two sides upstream and downstream water-filling of backwater gate device, to
After the 3 two sides water levels of upstream and downstream of backwater gate device reaches preset height, lift bulkhead gate 33, completes maintenance；
Three, the maintenance of gate 52 is emptied:
When needing to overhaul emptying gate 52, emergency gate 42 corresponding thereto is closed, then lift emptying lock
Door 52 is overhauled, and maintenance finishes, and puts down emptying gate 52, after the water-filling of charging pipe both ends, in emergency gate device 4 on
After the level of tail water maintains an equal level, lift emergency gate 42, completes maintenance.
The technical solution of the application is implemented to answer by Kweiyang Co., Ltd, survey and design research institute, Chinese electric construction group investment
With, in an implementation, subsidy, Chinese electric construction by science and technology supporting project science and technology item Guizhou Province section, Guizhou Province conjunction support [2017] 2865
The subsidy of scientific research project DJ-ZDXM-2017-05 achieves above-mentioned beneficial technical effect, while social benefit after implementation
Well.
Claims (11)
1. a kind of deep water intake system, it is characterised in that: including tunnel (2), along flow direction within the tunnel (2), according to
The secondary water intaking of multistage 1 unit (1) for being disposed with elevation and reducing step by step, every grade of water intaking unit (1) includes along tunnel (2) interior water flow
Multiple backwater gate devices (3) that flow direction is successively arranged in juxtaposition according to appropriate spacing, at least one emergency gate device (4) and extremely
A few emptying valve system (5), wherein the quantity of backwater gate devices (3) at different levels that included within unit (1) of fetching water at
Arithmetic progression gradually increases, and the backwater gate device (3) includes successively being arranged in juxtaposition along tunnel (2) interior flow direction in river
Maintenance lock well (31) and work lock well (32) in road, being provided within maintenance lock well (31) can slide along maintenance lock well (31) lifting
Dynamic bulkhead gate (33), being provided within work lock well (32) can be along the main gate of work lock well (32) lifting carriage
(34), the emergency gate device (4) includes emergency lock well (41), and being provided within the emergency lock well (41) can be along accident
The emergency gate (42) of lock well (41) lifting carriage.
2. a kind of deep water intake system according to claim 1, it is characterised in that: the tolerance of the arithmetic progression is 1.
3. a kind of deep water intake system according to claim 1, it is characterised in that: the institute within the water intaking unit (1)
When the quantity for the backwater gate device (3) for including is greater than 3, along tunnel (2) interior flow direction, from the 2nd backwater gate device
(3) it rises to last 1 backwater gate device (3) only, it is logical to there also is provided overflow between two backwater gate devices (3) of arbitrary neighborhood
Road (6), overflow ducts (6) are connected to corresponding maintenance lock well (31), work lock well (32) respectively.
4. a kind of deep water intake system according to claim 1, it is characterised in that: the bulkhead gate (33), work lock
Door (34) and emergency gate (42) are bulkhgead gate.
5. a kind of deep water intake system according to claim 1, it is characterised in that: the emptying valve system (5) includes
It empties lock chamber (51), emptying gate (52) is provided within emptying lock chamber (51), emptying gate (52) is movably connected or cuts
Disconnected emptying lock chamber (51) tunnel below (2).
6. a kind of deep water intake system according to claim 5, it is characterised in that: the emptying gate (52) is arc gate
Door.
7. a kind of deep water intake system according to claim 5, it is characterised in that: the emptying lock chamber (51) and downstream tunnel
Hole (2) junction is additionally provided with along river flow direction inclined pressure slope section (21) from high to low.
8. a kind of deep water intake system according to claim 1, it is characterised in that: the institute within the water intaking unit (1)
When the quantity for the backwater gate device (3) for including is greater than 2, along tunnel (2) interior flow direction, two backwater gates of arbitrary neighborhood
Be additionally provided between device (3) feeding gallery A (7), the both ends of feeding gallery A (7) respectively with the backwater gate device (3) with
Interior corresponding maintenance lock well (31) or work lock well (32) connection.
9. a kind of deep water intake system according to claim 1, it is characterised in that: also set within the emergency lock well (41)
It is equipped with blowdown pipe (10), one end of blowdown pipe (10) is connected to tunnel (2) immediately below the emergency lock well (41), blowdown pipe (10)
The other end extend along direction straight up.
10. a kind of deep water intake system according to claim 1, it is characterised in that: emptying lock chamber (51) two sides are also
It is provided with tonifying Qi hole (11), tonifying Qi hole (11) setting height is greater than relative to the difference in height between described emptying gate (52) top surface
2 meters.
11. the operating method of a kind of deep water intake system and its operating method, it is characterised in that: the following steps are included:
Using the deep water intake system as described in any one of claims 1 to 10, if the deep water intake system includes n grades of water intaking units
1, the quantity of backwater gate device 3 for being included within water intaking units 1 at different levels is gradually increased at arithmetic progression, if arithmetic progression is public
Difference is Δ d, and the 1st grade of water intaking unit 1 includes m backwater gate device 3, then i-stage water intaking unit 1 includes k backwater gate dress
Set 3, wherein i=1,2,3 ..., n, k value meet following relationship:
K=m+ (i-1) Δ d；
If k backwater gate device 3 included by i-stage water intaking unit 1 successively works out serial number along flow direction within tunnel 2
Are as follows: a1,a2,a3,…,ak, when being operated to above-mentioned deep water intake system, comprising the following steps:
One, the water storage stage:
Step 1: along the direction opposite with flow direction in tunnel 2, all emptyings within n grades of water intaking units 1 are simultaneously closed off
Valve system 5；
Step 2: the upstream water level to all emptying valve systems 5 within n grades of units 1 of fetching water, which reaches corresponding, to be preset
After height of water level, all numbers simultaneously closed off within n grades of water intaking units 1 are akBackwater gate device 3；
Step 3: being a to all numbers within n grades of units 1 of fetching waterkThe upstream water level of backwater gate device 3 reach right with it
After the preset water level height answered, all numbers simultaneously closed off within n grades of water intaking units 1 are ak-1Backwater gate device 3；
Step 4: repeating step 3, until all backwater gate devices 3 within n grades of water intaking units 1 are closed, water storage stage knot
Beam；
Two, it fetches water the stage:
Step 1: along flow direction in tunnel 2, while all numbers opened within n grades of water intaking units 1 are a1Retaining box
Door gear 3；
Step 2: being a to all numbers within n grades of units 1 of fetching water1Backwater gate device 3 the level of tail water and its upper water
After position maintains an equal level, then all numbers opened within n grades of water intaking units 1 simultaneously are a2Backwater gate device 3；
Step 3: repeating step 2, until opening all numbers within n grades of water intaking units 1 simultaneously is akAll backwater gate dresses
Set 3；
Step 4: being a to all numbers within n grades of units 1 of fetching waterkBackwater gate device 3 the level of tail water and its upper water
After position maintains an equal level, then all emptying valve systems 5 within n grades of water intaking units 1 are opened simultaneously, and unit 1 of fetching water from n-th grade
It fetches water within emptying 5 downstream tunnel 2 of valve system.
Three, the maintenance of backwater gate device 3:
When needing to overhaul the main gate 34 within backwater gate device 3, falls bulkhead gate 33 and blocks tunnel 2,
It is discharged water by concora crush charging pipe 6, after 3 water levels of upstream and downstream of backwater gate device maintains an equal level, then lifts the maintenance of main gate 34, inspection
It repairs to finish and puts down main gate 34, by concora crush charging pipe 6 to the 3 two sides upstream and downstream water-filling of backwater gate device, to the water blocking
After 3 two sides water levels of upstream and downstream of valve system reaches preset height, lift bulkhead gate 33, completes maintenance；
Three, the maintenance of gate 52 is emptied:
When needing to overhaul emptying gate 52, emergency gate 42 corresponding thereto is closed, then lifts emptying gate 52
It is overhauled, maintenance finishes, emptying gate 52 is put down, after the water-filling of charging pipe both ends, swimming up and down in emergency gate device 4
After position maintains an equal level, lift emergency gate 42, completes maintenance.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569922.9A CN109629525B (en) | 2018-12-21 | 2018-12-21 | Deep water intake system and operation method thereof |
| PCT/CN2019/125832 WO2020125602A1 (en) | 2018-12-21 | 2019-12-17 | Deep water obtaining system and operating method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569922.9A CN109629525B (en) | 2018-12-21 | 2018-12-21 | Deep water intake system and operation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109629525A true CN109629525A (en) | 2019-04-16 |
| CN109629525B CN109629525B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811569922.9A Active CN109629525B (en) | 2018-12-21 | 2018-12-21 | Deep water intake system and operation method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN109629525B (en) |
| WO (1) | WO2020125602A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125602A1 (en) * | 2018-12-21 | 2020-06-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Deep water obtaining system and operating method therefor |
| CN113882466A (en) * | 2021-09-10 | 2022-01-04 | 贵阳筑水水利产业发展有限公司 | Reservoir layering water intaking structure |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320303A (en) * | 2021-12-09 | 2022-04-12 | 中国铁建大桥工程局集团有限公司 | Method for excavating vertical shaft flood discharge tunnel body support |
| CN114775731A (en) * | 2022-04-21 | 2022-07-22 | 厦门大学 | Wind energy mechanical deep well water taking device and method |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020125602A1 (en) | 2020-06-25 |
| CN109629525B (en) | 2023-09-22 |
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