CN109667247A - A kind of high dam blowdown system - Google Patents
A kind of high dam blowdown system Download PDFInfo
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- CN109667247A CN109667247A CN201811569928.6A CN201811569928A CN109667247A CN 109667247 A CN109667247 A CN 109667247A CN 201811569928 A CN201811569928 A CN 201811569928A CN 109667247 A CN109667247 A CN 109667247A
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- gate
- lock
- emptying
- valve system
- tunnel
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- 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
- E02B8/04—Valves, slides, or the like; Arrangements therefor; Submerged sluice gates
-
- 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
- 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
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
Abstract
The invention discloses a kind of high dam blowdown systems, including the multiple primary valve systems being sequentially arranged along streamflow flow direction, secondary gate device, empty valve system, primary valve system includes the maintenance lock well being arranged in juxtaposition and work lock well, and it is mounted on the power-equipment A and power-equipment B at top, secondary gate device includes emergency lock well and the power-equipment C for being mounted on top, make bulkhead gate, main gate and emergency gate can be relatively independent open and close, being independently disposed to external moisturizing unit is the main gate moisturizing within the 2nd primary valve system, emptying valve system includes that emptying lock chamber and arc empty gate.Using technical solution of the present invention, the pressure of upstream head is shared by multiple primary valve systems, library water is emptied by emptying valve system, benefit damage is carried out to hydraulic pressure in system by moisturizing unit, flow rate of water flow is set to keep stablizing, it avoids valve system and bears excessively high head pressure, ensure that the safe and stable of whole system.
Description
Technical field
The invention belongs to hydraulic and hydroelectric engineering technical fields, are specifically related to a kind of high dam blowdown system.
Background technique
With the development of dam construction technique, the appearance of 300m grades of high dams, emptying and operation to engineering propose higher want
It asks.But universal emptying facility can only be vented library water to the 105m depth of water or so, to find out its cause, mainly by gate manufacture skill at present
Art level influences, so that the water blocking head design of gate is limited, causes potential catastrophic failure to occur, tremendous economic is brought to damage
It loses.It is, therefore, desirable to provide a kind of be not only able to satisfy existing metal structure manufacture level, but also can increase the emptying structure of emptying depth,
It is vented the library water of 300 grades of high dam engineerings as far as possible, ensures engineering safety to greatest extent.
To meet above-mentioned requirements, it is super that the Chinese invention patent of Publication No. CN105220659B discloses a kind of big library of high dam
Deep layer water blocking blowdown system and its operating method.The technical solution is to share gross head by the way that flight of locks is arranged, and at different levels
Water-filling offsets water blocking head after gate, and the hydraulic thrust for bearing gates at different levels is within the scope of conventional design.Pass through simultaneously in system
Inside and outside portion's communicating pipe, external maintenance communicating pipe, charging pipe, gallery etc. realize hydraulic pressure, air pressure balance.Overcome prior art hardly possible
Topic.But the system has the disadvantage that
(1) it is not provided with spare filling and drainage system in above system, is only connected by inside and outside portion's communicating pipe, external maintenance
Siphunculus, charging pipe, gallery etc. realize hydraulic pressure, air pressure balance, once communicating pipe etc. fails, the concora crush effect of whole system can also be lost
Effect, causes systemic breakdown to cannot achieve deep layer water blocking emptying function；
(2) main gate and bulkhead gate headstock gear are arranged side by side in opening and closing machine platform in above system, due to opening
Machine running space requirement is closed, causes the corresponding gate shaft spacing of headstock gear excessive, gate shaft project amount increases, particularly with gate
The biggish engineering of well height, certainly will increase considerably construction investment.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of high dam blowdown systems.
The present invention is achieved by following technical solution.
The present invention provides a kind of high dam blowdown systems, including tunnel and moisturizing unit, along water flow within the tunnel
Flow direction has been sequentially arranged multiple primary valve systems according to appropriate spacing on the tunnel, at least one secondary gate fills
It sets and empties valve system at least one, be to have pressure section positioned at the emptying valve system upstream tunnel, be located at the emptying lock
Door gear downstream tunnel is without pressure section, and the primary valve system includes primary lock body, along flow direction within the tunnel
It is successively set side by side with maintenance lock well and work lock well in the primary lock body, power-equipment is installed at the top of the primary lock body
A is each configured with bulkhead gate, main gate within the maintenance lock well, work lock well, and the power-equipment A is the inspection
It repairs the lifting carriage of gate, main gate respectively within the maintenance lock well, work lock well and power, the secondary gate is provided
Device includes secondary lock body, is equipped with power-equipment C at the top of secondary lock body, is provided with emergency lock well, accident within secondary lock body
Emergency gate is configured within lock well, the power-equipment C is that lifting of the emergency gate within the emergency lock well is sliding
Dynamic to provide power, the emptying valve system includes the emptying lock chamber being set on the tunnel, and the moisturizing unit is independent
It is set to outside the high dam blowdown system and is filled for the secondary gate device, emptying valve system or multiple primary gates
Set moisturizing.
The primary valve system further includes that power-equipment B, power-equipment B and the main gate or bulkhead gate connect
It connects, the power-equipment A and power-equipment B are that layering is installed at the top of the primary lock body.
Equalizing pipe is embedded with inside the primary lock body, equalizing pipe will be located at the maintenance within the same primary valve system
Gate is connected with main gate, and equalizing pipe arrangement height and specified control water corresponding to the primary valve system
Position elevation is consistent.
Power-equipment D, emptying lock chamber and the tunnel junction are installed configured with emptying lock within the emptying lock chamber
Door, emptying gate are connect with the power-equipment D, make emptying lock chamber that can be connected or block with the tunnel.
The emptying gate is gates of segmental shape.
Seepage proof curtain is additionally provided between the secondary gate device and emptying valve system.
The high dam blowdown system further includes communicating pipe, communicating pipe respectively with each maintenance lock well, work lock well, emergency lock
Well, emptying lock chamber are connected to without pressure section, and communicating pipe setting height is lower than the specified control water level of emptying valve system.
It is also embedded with the snorkel being connected to the tunnel within the secondary lock body, the tunnel is protruded into snorkel one end
Within, the snorkel other end upwardly extends the height that height is greater than the emptying lock chamber.
Along flow direction within the tunnel, from second primary valve system, within each primary valve system
Work lock well pass through drainage channel A and be connected to the maintenance lock well within next primary valve system, the last one primary
Work lock well within valve system is connected to by drainage channel B with the emergency lock well within the secondary gate device, described
Emergency lock well also passes through drainage channel C and is connected to described without pressure section, and each drainage channel A upstream inlet arrangement height with it by connecting
Within logical primary valve system work lock well specified height of water level determine, drainage channel B upstream inlet arrangement height by
The specified height of water level of emergency lock well within the secondary gate device communicated therewith determines that drainage channel C upstream inlet arrangement is high
Degree is determined that drainage channel C also passes through charging pipe has pressure section to be connected to described by the water blocking elevation of emptying valve system.
Weir head is provided at the drainage channel A, drainage channel B and drainage channel C upstream inlet.
The bulkhead gate, main gate, emergency gate are bulkhgead gate.
The bulkhead gate, main gate arrangement form are rear sealings.
The emergency gate arrangement form is preceding sealing.
The moisturizing unit includes tank, water supply pipe, and the tank passes through water supply pipe and the primary valve system
Within main gate connection.
The moisturizing unit further includes PID automation control apparatus, described along the direction that water flow within the water supply pipe flows
Flow sensor, electric control valve, water-hammer arrester are sequentially installed on water supply pipe, PID automation control apparatus is relatively independently
It is arranged in except the water supply pipe, PID automation control apparatus has electric connection with flow sensor, electric control valve foundation respectively.
The tunnel can be set to multilayer, is provided with as described in any one of claim 1 to 10 on every layer of tunnel
Multiple primary valve systems, secondary gate device and emptying valve system, are each equipped with corresponding moisturizing list outside every layer of tunnel
Member, linking elevation between each layer tunnel is by water blocking head and is vented minimum discharge and determines.
It is reference amount with each layer tunnel arrangement height, according to direction from high to low, is set on each layer tunnel
The primary valve system quantity set successively is incremented by.
The beneficial effects of the present invention are: technical solution of the present invention is used, is made by using multiple primary valve systems
Head pressure from upstream reduces step by step, then is emptied completely by emptying valve system, to make the head pressure from upstream
Power is distributed step by step into primary valve systems at different levels, and effectively preventing head pressure is more than the limit that gate is born, thus
The safety of whole system is improved, the twice gate in primary valve system is independently arranged that two sets of operation are dynamic by staggered floor respectively
Power device drives, avoid from each other exist interference, reduce power-equipment operating space, greatly reduce corresponding project amount and
Investment.When wherein a set of power-equipment breaks down, another set of power-equipment still can guarantee that the safety of whole system is steady
Fixed operation when needed, passes through automatic control device in addition, being additionally arranged moisturizing unit to multiple primary valve systems
Benefit damage is carried out to the hydraulic pressure in system, has ensured that the stable water pressure of valve systems at different levels, the water-hammer arrester of setting eliminate water
Flow the water hammer that generates in dropping process, flow rate of water flow made to keep stablizing, avoid subsequent secondary gate device by water flow compared with
Big impact, thus make whole system keep stable operation, extend its service life, in addition, the present invention have it is compact-sized,
Construction simple process, construction investment is at low cost, safety in operation and high reliability.
Detailed description of the invention
Fig. 1 is longitudinal sectional view of the invention；
Fig. 2 is the structural schematic diagram of moisturizing unit of the invention；
Fig. 3 is the scheme of installation in power computer room of the present invention；
Fig. 4 is the partial enlarged view at drainage channel A upstream inlet of the present invention.
In figure: 1- primary valve system, 2- secondary gate device, 3- emptying valve system, 4- moisturizing unit, 5- tunnel,
6- power-equipment A, 7- power-equipment B, 8- grade lock body, 9- power-equipment C, 10- equalizing pipe, 11- empty lock chamber, 12- power
Equipment D, 13- empty gate, 14- communicating pipe, 15- snorkel, 16- drainage channel A, 17- drainage channel B, 18- drainage channel
C, 19- power computer room, 20- tank, 21- water supply pipe, 22- flow sensor, 23- electric control valve, 24- water-hammer arrester,
25-PID automation control apparatus, 26- water protecting curtain, 27- collision mat, 28- charging pipe, 101- primary lock body, 102- overhaul lock well,
103- works lock well, 104- bulkhead gate, 105- main gate, and 501- has a pressure section, and 502- is without pressure section, 801- emergency lock well,
802- emergency gate, the weir 1601- head, 1901- accommodating chamber.
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.
The present invention provides a kind of high dam blowdown systems, as shown in Figure 1, Figure 2, Figure 3 shows, including tunnel 5 and moisturizing unit 4,
Along flow direction within tunnel 5, multiple primary valve systems 1, at least have been sequentially arranged according to appropriate spacing on tunnel 5
One secondary gate device 2 and at least one emptying valve system 3, are to have pressure section positioned at emptying 3 upstream tunnel 5 of valve system
501, being located at emptying 3 downstream tunnel 5 of valve system is without pressure section 502, and primary valve system 1 includes primary lock body 101, along tunnel
Maintenance lock well 102 and work lock well 103, primary lock body are successively set side by side within hole 5 in flow direction primary lock body 101
101 tops are equipped with power-equipment A6, are each configured with bulkhead gate 104, work within maintenance lock well 102, work lock well 103
Gate 105, power-equipment A6 are that bulkhead gate 104, main gate 105 are overhauling within lock well 102, work lock well 103 respectively
Lifting carriage power is provided, secondary gate device 2 includes secondary lock body 8, power-equipment C9 is installed at the top of secondary lock body 8,
It is provided with emergency lock well 801 within secondary lock body 8, is configured with emergency gate 802 within emergency lock well 801, power-equipment C9 is
Lifting carriage of the emergency gate 802 within emergency lock well 801 provides power, emptying valve system 3 include be set to tunnel 5 it
On emptying lock chamber 11, moisturizing unit 4 is independently disposed to outside high dam blowdown system and for secondary gate device 2, emptying lock
1 moisturizing of door gear 3 or multiple primary valve systems.
Using technical solution of the present invention, by using multiple primary valve systems make the head pressure from upstream by
Grade reduces, then is emptied completely by emptying valve system, so that the head pressure from upstream be made to be distributed step by step to primary at different levels
In valve system, secondary gate device, the limit that head pressure is more than valve system is effectively prevented, to improve entire system
The safety of system, the twice gate in primary valve system are driven by two sets of power-equipments of relatively independent operation respectively, are avoided
There is interference from each other, when wherein a set of power-equipment breaks down, another set of power-equipment still can guarantee whole
The safe and stable operation of a system when needed, leads in addition, being additionally arranged moisturizing unit to second level primary valve system
It crosses automatic control device and benefit damage is carried out to the hydraulic pressure in system, so that the water hammer that water flow generates in dropping process is eliminated,
Make flow rate of water flow keep stablizing, avoids subsequent secondary gate device by the biggish impact of water flow, so that whole system be made to protect
Stable operation is held, its service life is extended, in addition, the present invention has compact-sized, construction simple process, construction investment
It is at low cost, safety in operation and high reliability.
In addition, primary valve system 1 further includes power-equipment B7, power-equipment B7 and main gate 105 or bulkhead gate
104 connections, power-equipment A6 and power-equipment B7 are that layering is installed on primary 101 top of lock body.Make main gate 105 in this way
It can both be driven and be worked at the same time by a set of power-equipment with bulkhead gate 104, two sets of different power-equipments can also be passed through
The work of driving independently, power-equipment A6 and power-equipment B7 are that layering is installed on primary 101 top of lock body, can be dropped significantly
The outer dimension of low primary lock body 101, greatly reduces project amount, cost saving.
Further, equalizing pipe 10 is embedded with inside primary lock body 101, equalizing pipe 10 will be located at the same primary gate dress
It sets the bulkhead gate 104 within 1 to be connected with main gate 105, and the arrangement of equalizing pipe 10 height and the primary valve system
Specified control water level elevation corresponding to 1 is consistent.Using the technical solution, it is convenient to each adjacent primary valve system
Between head pressure be adjusted, to avoid primary valve systems at different levels by biggish water impact, ensure that entire
The safe and reliable operation of system.
Further, bulkhead gate 104, main gate 105, emergency gate 802 are straight plate structure.
In addition, emptying valve system 3 includes the emptying lock chamber 11 being set on tunnel 5, empties and installed within lock chamber 11
Dynamic equipment D12, emptying lock chamber 11 and 5 junction of tunnel are configured with emptying gate 13, emptying gate 13 and power-equipment D12
Connection makes emptying lock chamber 11 that can be connected or block with tunnel 5.It is preferred that emptying gate 13 is arcuate shape.Further, secondary
Seepage proof curtain 26 is additionally provided between valve system 2 and emptying valve system 3.Seepage proof curtain 26 is for preventing water flow from penetrating into emptying
Within lock chamber 11, the operational safety of entire high dam blowdown system ensure that.
Further, high dam blowdown system further includes communicating pipe 14, communicating pipe 14 respectively with each maintenance lock well 102, work
Make lock well 103, emergency lock well 801, empty lock chamber 11, be connected to without pressure section 502, the setting of communicating pipe 14 height is lower than emptying gate dress
Set 3 specified control water levels.It is preferred that 14 quantity of communicating pipe is 2.River water level height and communicating pipe before secondary gate device 2
Relative height differential between 14 positions is greater than zero.It, can be when user needs to primary gates at different levels using the technical solution
Head pressure before device is adjusted, and to keep the stabilization of water flow pressure, avoids causing to impact to primary valve system, protects
Facility is protected, in addition, another communicating pipe can be enabled at any time to water when wherein a communicating pipe breaks down or needs to overhaul
Head pressure is adjusted, and facilitates operation, ensure that system still handles safe and reliable and stable operating status.
Also be embedded with the snorkel 15 being connected to tunnel 5 within secondary lock body 8,15 one end of snorkel protrude into tunnel 5 with
Interior, 15 other end of snorkel upwardly extends the height that height is greater than emptying lock chamber 11, and snorkel 15 is located at 5 junction of tunnel
The lower position in 801 bottom of emergency lock well.Snorkel 15 is used for when overhauling to system, and suitable sky is supplemented into tunnel
Gas, to guarantee the safety of upkeep operation.
In addition, along flow direction within tunnel 5, from second primary valve system 1, each primary valve system 1
Within work lock well 103 by drainage channel A16 with it is next primary valve system 1 within maintenance lock well 102 be connected to,
Work lock well 103 within the last one primary valve system 1 passes through the thing within drainage channel B17 and secondary gate device 2
Therefore lock well 801 is connected to, emergency lock well 801 is also connected to by drainage channel C18 with without pressure section 502, the upstream each drainage channel A16
Import arrangement height determines by the specified height of water level of the work lock well 103 within the primary valve system 1 that communicates therewith, row
Aquaporin B17 upstream inlet arrangement height is high by the specified water level of emergency lock well 801 within the secondary gate device 2 that communicates therewith
Degree determines that drainage channel C18 upstream inlet arrangement height determines that drainage channel C18 is also by the water blocking elevation of emptying valve system 3
It is connected to by charging pipe 28 with there is pressure section 501.Charging pipe 28 is that emergency gate well 802 and the tunnel 5 emptied between lock chamber 11 fill
Water avoids various buildings from being washed away by water flow is excessive to ensure hydraulic balance, in addition, in charging pipe 28 and having pressure section
It is provided with collision mat 27 immediately below 501 junctions, prevents 5 inner wall of tunnel by excessive current scour.
In addition, as shown in figure 4, being respectively provided at drainage channel A16, drainage channel B17 and drainage channel C18 upstream inlet
There is weir head 1601.Bulkhead gate 104, main gate 105, emergency gate 802 are bulkhgead gate.Bulkhead gate 104, work lock
105 arrangement forms of door are rear sealings.802 arrangement form of emergency gate is preceding sealing.When water body higher by sediment content, row
Aquaporin A16, drainage channel B17, the cross section drainage channel C18 are that gateway opening type is convenient for according to 1%~6% slope design
Increase flow rate of water flow, silt is taken away.When through sediment content lower water body, drainage channel A16 at different levels, drainage channel B17,
The cross section of drainage channel C18 can then use other arbitrary shapes.High dam blowdown system further includes communicating pipe 14, communicating pipe
14 respectively with each maintenance lock well 102, work lock well 103, emergency lock well 801, emptying lock chamber 11, without pressure section 502 be connected to, connection
The setting of pipe 14 height is lower than emptying 3 upstream water level of valve system.14 quantity of communicating pipe is not less than 2, can will a wherein conduct
It is used when normal work, another conduct is spare, and at least two ball valves are arranged on communicating pipe 14, one of as normal
It is used when work, another in addition, being also embedded with the charging pipe 28 being connected to tunnel 5 within secondary lock body 8, is filled as spare
Water pipe 28 can also directly be connected to the lower position in 801 bottom of emergency lock well.
Further, it is also equipped with power computer room 19 at the top of primary lock body 101, is provided at least within power computer room 19
Two layers of accommodating chamber 1901, power-equipment A6, power-equipment B7 are respectively arranged within different accommodating chambers 1901.
It is preferred that moisturizing unit 4 includes tank 20, water supply pipe 21, tank 20 passes through water supply pipe 21 and primary valve system
Main gate 105 within 1 is connected to.
Moisturizing unit 4 further includes PID automation control apparatus 25, along the direction that water flow within water supply pipe 21 flows, water supply pipe
Flow sensor 22, electric control valve 23, water-hammer arrester 24 are sequentially installed on 21, PID automation control apparatus 25 is relatively solely
It is on the spot arranged in except water supply pipe 21, PID automation control apparatus 25 has with flow sensor 22, the foundation of electric control valve 23 respectively
It is electrically connected.Flow sensor 22, electric control valve 23,24 installation site of water-hammer arrester and the 2nd primary valve system 1 with
Interior main gate 105 is close.Further, the quantity of primary valve system 1 is greater than 2.Using technical solution of the present invention,
When needed, benefit damage is carried out to the hydraulic pressure in system by automatic control device, fallen to eliminate water flow
The water hammer generated in journey makes flow rate of water flow keep stablizing, avoids subsequent secondary gate device by the biggish impact of water flow, from
And whole system is made to keep stable operation, extend its service life.
Further, tunnel 5 can be set to multilayer, is provided on every layer of tunnel 5 as claims 1 to 10 is any
Multiple primary valve systems 1, secondary gate device 2 and emptying valve system 3 are each equipped with outside every layer of tunnel 5 corresponding
Moisturizing unit 4, linking elevation between each layer tunnel 5 is by water blocking head and is vented minimum discharge and determines.It is preferred that with each layer tunnel 5
Arrangement height is, referring to amount, according to direction from high to low, 1 quantity of primary valve system being arranged on each layer tunnel 5 is layer-by-layer
It is incremented by.
The technical solution of the application is practiced by Kweiyang Co., Ltd, survey and design research institute, Chinese electric construction group investment,
In an implementation, subsidy, the Chinese electric construction scientific research of support [2017] 2865 are closed by science and technology supporting project science and technology item Guizhou Province section, Guizhou Province
The subsidy of project DJ-ZDXM-2017-05 achieves above-mentioned beneficial technical effect, while social benefit is good after implementation.
Claims (17)
1. a kind of high dam blowdown system, it is characterised in that: including tunnel (5) and moisturizing unit (4), along the tunnel (5) with
Interior flow direction has been sequentially arranged multiple primary valve systems (1), at least one according to appropriate spacing on the tunnel (5)
A secondary gate device (2) and at least one emptying valve system (3), are located at emptying valve system (3) the upstream tunnel (5)
To there is pressure section (501), being located at emptying valve system (3) the downstream tunnel (5) is without pressure section (502), the primary gate dress
Setting (1) includes primary lock body (101), along successively arranged side by side in primary lock body (101) described in flow direction within the tunnel (5)
It is provided with maintenance lock well (102) and work lock well (103), power-equipment A (6), institute are installed at the top of the primary lock body (101)
It states and is each configured with bulkhead gate (104), main gate (105) within maintenance lock well (102), work lock well (103), it is described dynamic
Power equipment A (6) is the bulkhead gate (104), main gate (105) respectively in the maintenance lock well (102), work lock well
(103) lifting carriage within provides power, and the secondary gate device (2) includes secondary lock body (8), secondary lock body (8) top
Portion is equipped with power-equipment C (9), is provided with emergency lock well (801) within secondary lock body (8), emergency lock well configures within (801)
Have emergency gate (802), the power-equipment C (9) is the emergency gate (802) within the emergency lock well (801)
Lifting carriage provides power, and emptying valve system (3) includes the emptying lock chamber (11) being set on the tunnel (5),
The moisturizing unit (4) is independently disposed to outside the high dam blowdown system and is the secondary gate device (2), emptying lock
Door gear (3) or multiple primary valve system (1) moisturizings.
2. a kind of high dam blowdown system according to claim 1, it is characterised in that: the primary valve system (1) is also wrapped
It includes power-equipment B (7), power-equipment B (7) is connect with the main gate (105) or bulkhead gate (104), and the power is set
Standby A (6) and power-equipment B (7) are that layering is installed at the top of the primary lock body (101).
3. a kind of high dam blowdown system according to claim 1, it is characterised in that: buried inside the primary lock body (101)
Equipped with equalizing pipe (10), equalizing pipe (10) will be located at bulkhead gate (104) and work within the same primary valve system (1)
Gate (105) is connected, and the equalizing pipe (10) arrangement height and specified control corresponding to the primary valve system (1)
Water level elevation is consistent.
4. a kind of high dam blowdown system according to claim 1, it is characterised in that: installed within the emptying lock chamber (11)
Dynamic equipment D (12), emptying lock chamber (11) and the tunnel (5) junction empty gate configured with emptying gate (13)
(13) it is connect with the power-equipment D (12), makes emptying lock chamber (11) that can be connected or block with the tunnel (5).
5. a kind of high dam blowdown system according to claim 4, it is characterised in that: the emptying gate (13) is arc gate
Door.
6. a kind of high dam blowdown system according to claim 1, it is characterised in that: the secondary gate device (2) and row
Seepage proof curtain (26) are additionally provided between empty valve system (3).
7. a kind of high dam blowdown system according to claim 1, it is characterised in that: the high dam blowdown system further includes connecting
Siphunculus (14), communicating pipe (14) respectively with each maintenance lock well (102), work lock well (103), emergency lock well (801), emptying lock
Room (11) is connected to without pressure section (502), and communicating pipe (14) setting height is lower than the specified control water level of emptying valve system (3).
8. a kind of high dam blowdown system according to claim 1, it is characterised in that: also buried within the secondary lock body (8)
Equipped with the snorkel (15) being connected to the tunnel (5), snorkel (15) one end is protruded within the tunnel (5), snorkel
(15) other end upwardly extends the height that height is greater than emptying lock chamber (11).
9. a kind of high dam blowdown system according to claim 1, it is characterised in that: along water flow within the tunnel (5)
Flow direction, from second primary valve system (1), the work lock well (103) within each primary valve system (1) passes through row
Aquaporin A (16) is connected to the maintenance lock well (102) within next primary valve system (1), the last one primary gate dress
It sets the work lock well (103) within (1) and passes through the emergency lock well within drainage channel B (17) and the secondary gate device (2)
(801) it is connected to, the emergency lock well (801) is also connected to described without pressure section (502) by drainage channel C (18), each draining
Channel A (16) upstream inlet arrangement height is by the specified of the work lock well (103) within the primary valve system (1) that communicates therewith
Height of water level determines that drainage channel B (17) upstream inlet arrangement height is by the thing within the secondary gate device (2) that communicates therewith
The specified height of water level of Gu Zhajing (801) determines that drainage channel C (18) upstream inlet arrangement height is by emptying valve system (3)
Water blocking elevation determines that drainage channel C (18) also has pressure section (501) to be connected to by charging pipe (28) with described.
10. a kind of high dam blowdown system according to claim 9, it is characterised in that: the drainage channel A (16), draining
Weir head (1601) is provided at channel B (17) and drainage channel C (18) upstream inlet.
11. a kind of high dam blowdown system according to claim 1, it is characterised in that: the bulkhead gate (104), work
Gate (105), emergency gate (802) are bulkhgead gate.
12. a kind of high dam blowdown system according to claim 1, it is characterised in that: the bulkhead gate (104), work
Gate (105) arrangement form is rear sealing.
13. a kind of high dam blowdown system according to claim 1, it is characterised in that: the emergency gate (802) arranges shape
Formula is preceding sealing.
14. a kind of high dam blowdown system according to claim 1, it is characterised in that: the moisturizing unit (4) includes water storage
Pond (20), water supply pipe (21), the tank (20) pass through the work within water supply pipe (21) and the primary valve system (1)
Gate (105) connection.
15. a kind of high dam blowdown system according to claim 10, it is characterised in that: the moisturizing unit (4) further includes
PID automation control apparatus (25), along the direction that water flow within the water supply pipe (21) flows, on the water supply pipe (21) successively
Flow sensor (22), electric control valve (23), water-hammer arrester (24) are installed, PID automation control apparatus (25) is relatively independent
Ground is arranged in except the water supply pipe (21), PID automation control apparatus (25) respectively with flow sensor (22), electric control valve
(23) establishing has electric connection.
16. a kind of high dam blowdown system according to claim 1, it is characterised in that: the tunnel (5) can be set to more
Layer, it is provided on every layer of tunnel (5) such as the multiple primary valve system (1) of any one of claims 1 to 10, secondary lock
Door gear (2) and emptying valve system (3), every layer of tunnel (5) is external to be each equipped with corresponding moisturizing unit (4), each layer tunnel
(5) the linking elevation between is determined by water blocking head and the minimum discharge of emptying.
17. a kind of high dam blowdown system according to claim 11, it is characterised in that: arranged with each layer tunnel (5)
Height is referring to amount, according to direction from high to low, primary valve system (1) quantity for being arranged on each layer tunnel (5)
Successively it is incremented by.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569928.6A CN109667247A (en) | 2018-12-21 | 2018-12-21 | A kind of high dam blowdown system |
| PCT/CN2019/125829 WO2020125601A1 (en) | 2018-12-21 | 2019-12-17 | Emptying system for high dam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811569928.6A CN109667247A (en) | 2018-12-21 | 2018-12-21 | A kind of high dam blowdown system |
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| CN109667247A true CN109667247A (en) | 2019-04-23 |
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| CN201811569928.6A Pending CN109667247A (en) | 2018-12-21 | 2018-12-21 | A kind of high dam blowdown system |
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| CN (1) | CN109667247A (en) |
| WO (1) | WO2020125601A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185007A (en) * | 2019-07-08 | 2019-08-30 | 辽宁省水利水电勘测设计研究院有限责任公司（原名称为辽宁省水利水电勘测设计研究院） | A kind of two-way water gate structure applied in blast pit |
| CN110593225A (en) * | 2019-08-30 | 2019-12-20 | 中国电建集团贵阳勘测设计研究院有限公司 | Multistage emptying tunnel hydraulics monitoring system |
| CN111188321A (en) * | 2020-01-13 | 2020-05-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Water inlet quick gate vent structure |
| WO2020125601A1 (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 | Emptying system for high dam |
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| CN105220659A (en) * | 2015-08-21 | 2016-01-06 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of high dam large storehouse ultra-deep layer dash blowdown system and method for operating thereof |
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| WO2020125601A1 (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 | Emptying system for high dam |
| CN110185007A (en) * | 2019-07-08 | 2019-08-30 | 辽宁省水利水电勘测设计研究院有限责任公司（原名称为辽宁省水利水电勘测设计研究院） | A kind of two-way water gate structure applied in blast pit |
| CN110593225A (en) * | 2019-08-30 | 2019-12-20 | 中国电建集团贵阳勘测设计研究院有限公司 | Multistage emptying tunnel hydraulics monitoring system |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020125601A1 (en) | 2020-06-25 |
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