CN207419414U - Cushion pool draining, water filling system - Google Patents

Cushion pool draining, water filling system Download PDF

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Publication number
CN207419414U
CN207419414U CN201721541587.2U CN201721541587U CN207419414U CN 207419414 U CN207419414 U CN 207419414U CN 201721541587 U CN201721541587 U CN 201721541587U CN 207419414 U CN207419414 U CN 207419414U
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CN
China
Prior art keywords
water
drain
cushion pool
draining
pool
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Withdrawn - After Issue
Application number
CN201721541587.2U
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Chinese (zh)
Inventor
刘翔
黄彦昆
邵敬东
陈林
王超
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PowerChina Chengdu Engineering Co Ltd
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PowerChina Chengdu Engineering Co Ltd
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Priority to CN201721541587.2U priority Critical patent/CN207419414U/en
Application granted granted Critical
Publication of CN207419414U publication Critical patent/CN207419414U/en
Withdrawn - After Issue legal-status Critical Current
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Abstract

The utility model discloses a kind of cushion pool draining, water filling systems, belong to hydraulic and hydroelectric engineering field, the cushion pool draining, water filling system, including drainage system and water filling system, the drainage system includes drain header, the water inlet end of drain header is pierced by from the upper surface of plunge pool floor concrete layer, and the water outlet of drain header along collector drain and ventilation hole to the export direction of ventilation hole through arranging after plunge pool floor concrete layer;More branch drains are positioned apart from along the trend of drain header, and more branch drains are located at different elevations respectively, and control valve is respectively arranged on every branch drain.Sequentially the water body in cushion pool can be drained by the branch drain of each elevation arrangement on drain header in drainage system and corresponding control valve in the utility model;And the water body of excretion is drained into along after ventilation hole and collector drain in collector drain;Finally the water body of excretion is discharged by the drainage equipment of collector drain.

Description

Cushion pool draining, water filling system
Technical field
The utility model is related to hydraulic and hydroelectric engineering field more particularly to a kind of cushion pool draining, water filling systems.
Background technology
When high dam uses flip trajectory bucket, down stream energy dissipating when Energy Dissipation Modes, to ensure side slope safety behind dam foundation and dam, Generally use sets the mode of cushion pool to solve the problems, such as dissipation and scouring.For example the practicality that Authorization Notice No. is CN101126232B is new Type patent discloses this measure.During engineering operation, high-velocity flow a degree of can wear cushion pool structure, must Ponding in the regular pump drainage cushion pool of palpus, overhauls the energy-disspatings such as cushion pool, it is ensured that engineering safety is run, and has been overhauled After again into cushion pool full of water body, in case there is enough water cushion energy dissipatings during flood discharge.Current engineering structure is always almost Corresponding draining, water-filling dedicated system are not provided with, first being laid before maintenance in the periphery on cushion pool and two dams includes drinking-water pipe The interim facility that draws water including road, by drawing water temporarily, the water in cushion pool is extracted into two Dao Ba downstreams by facility, then carries out water Pad the maintenance of the energy-dissipating installations such as the pool;To draw water facility dismounting again after the completion of maintenance, then use siphon pipe again by two Dao Ba downstreams rivers Water in bed is filled in cushion pool.For ease of water-filling, some bis- dam crest portions of engineering Hai have reserved notch, are being lacked during maintenance Temporary water dash gate is placed in mouthful, backwater gate is removed after the completion of maintenance, the water-filling of cushion pool can be quickly completed.
Authorization Notice No. is that the utility model patent of CN201809752U discloses a kind of supply and drain water system of cushion pool, By carrying out draining, water-filling using water pump in two above and below the dam pre-buried water pipes;The system can effectively carry out cushion pool draining, Water-filling operation, but it still has larger deficiency:1st, nearby current are disorderly, flow velocity is high, pre-buried water pipe and concrete on two dams Contact site is easily damaged;2nd, the water body in cushion pool is usually more muddy, easily blocked when the in vivo sediment deposition of water into Water pipe causes water inlet pipe to lose inlet function;3rd, inbuilt water pump can weaken two dam overall structures, and cause two dams Construction is more complicated, increases construction cost.
Utility model content
The technical issues of the utility model solves is to provide a kind of new cushion pool draining, water filling system.
Technical solution is used by the utility model solves its technical problem:Cushion pool draining, water filling system, including row Water system and water filling system are provided with collector drain below plunge pool floor concrete layer;It is set with being connected with collector drain It is equipped with ventilation hole, the ground of the outlet of the ventilation hole beyond cushion pool abutment wall is pierced by, and the drainage system includes draining master Pipe, one end of drain header is water inlet end, and the other end is water outlet;The water inlet end of drain header is from plunge pool floor concrete The upper surface of layer is pierced by, the water outlet of drain header through after plunge pool floor concrete layer along collector drain and ventilation hole to The export direction arrangement of ventilation hole;More branch drains, and more draining branch have been positioned apart from along the trend of drain header Pipe is located at different elevations respectively, and control valve is respectively arranged on every branch drain.
It is further:When the elevation at drain header upper water-out end is not higher than the design peak level of water body inside cushion pool During H, control valve is provided on drain header.
It is further:The water inlet end of drain header is provided with curved after being pierced by from the upper surface of plunge pool floor concrete layer Pipeline section makes the oral area of water inlet end downward after the bend loss bending.
It is further:On drain header between the upper surface of the oral area of water inlet end and plunge pool floor concrete layer between It is 10cm~20cm away from L.
It is further:The trend of ventilation hole is provided with gutter in ventilation hole, from the water outlet of drain header or The water of any branch drain discharge of person is directly discharged into gutter.
It is further:The drainage system further includes external draining pump and cushion pool sump, and the cushion pool catchments Well is connected with collector drain, and the external draining pump communicates with cushion pool sump and can be by the water pump in cushion pool sump extremely It is discharged beyond cushion pool.
It is further:Wherein there is the elevation of a branch drain not higher than where plunge pool floor concrete layer upper surface Elevation.
It is further:Water filling system is further included, the water filling system includes charging pipe, and one end of charging pipe is water inlet End, the other end are water outlet;The water inlet end of charging pipe communicates after passing through concrete water blocking dam with upstream storehouse water water body, water-filling The elevation at water inlet tube end is less than the level of dead water of upstream storehouse water water body;The water inlet end of charging pipe is passed through after concrete water blocking dam along mixed Solidifying soil water blocking dam wall surface is arranged and pass through being arranged at the access bridge on rear side of concrete water blocking dam downwards, on charging pipe with friendship Control valve is provided at the logical corresponding position of bridge.
It is further:The elevation at charging pipe upper water-out end is less than the cope level of cushion pool abutment wall.
It is further:Spacing between the elevation of charging pipe water inlet end and the level of dead water h of upstream storehouse water water body for 3~ 5m。
The beneficial effects of the utility model are:Pass through each elevation arrangement on drain header in drainage system in the utility model Branch drain and corresponding control valve sequentially the water body in cushion pool can be drained;And by the water body edge of excretion It is drained into after ventilation hole and collector drain in collector drain;Finally the water body of excretion is arranged by the drainage equipment of collector drain Go out.Multiple branch drains that the utility model is set along drain header are sequentially opened accordingly by the order of elevation from high in the end Control valve, gradually the water body in cushion pool is drained into collector drain using gravity;So when water body in cushion pool When water level is higher, following problem caused by the directly control valve of opening extreme lower position can be also avoided:First, head is excessively high, control Valve opening processed is more difficult, and investment excessively high to control valve requirement is larger;Second is that the high-velocity flow of drain header discharge is to water Padding pool structure has erosion damage, influences cushion pool structure safety.Therefore arranged using drain header described in the utility model The flow rate of water flow accordingly exported on drain header can be effectively reduced after mode, for cushion pool polycrystalline substance when reducing draining Erosion damage;And relatively low draining head is also beneficial to using relatively simple control valve;Meanwhile it is reset certainly using water body The mode of water saves energy consumption, environmentally protective.In addition, the water filling system in the utility model passes through on concrete water blocking dam The directly pre-buried charging pipe in corresponding position is simultaneously communicated with upstream Ku Shui, and when water-filling only needs to open corresponding control valve i.e. available The dead weight of upstream storehouse water water body, which leads to upstream Ku Shui, realizes water-filling in cushion pool.
Description of the drawings
Fig. 1 is the schematic diagram of drainage system part in cushion pool draining described in the utility model, water filling system;
Fig. 2 is the cross section view of A-A turnovers hatching line in Fig. 1;
Fig. 3 is the enlarged diagram of regional area A in Fig. 1;
Fig. 4 is the enlarged diagram of regional area B in Fig. 2;
Fig. 5 is the schematic diagram of water filling system part in cushion pool draining described in the utility model, water filling system;
Fig. 6 is the enlarged diagram of regional area C in Fig. 5;
In figure mark for:Plunge pool floor concrete layer 1, collector drain 2, ventilation hole 3, cushion pool abutment wall 4, drain header 5th, branch drain 6, control valve 7, water body 8, bend loss 51, gutter 31, cushion pool sump 9, charging pipe 10, concrete gear Water dam 11, access bridge 12.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawings and detailed description.
As shown in Fig. 1 to Fig. 6, cushion pool draining described in the utility model, water filling system including drainage system and fill Water system;Wherein drainage system is for the water in cushion pool to be discharged, and water filling system is then for the water-filling into cushion pool. In addition, it is also necessary to collector drain 2 is provided with below plunge pool floor concrete layer 1;And it sets and is connected with collector drain 2 Ventilation hole 3, the ground of the outlet of the ventilation hole 3 beyond cushion pool abutment wall 4 is pierced by.Wherein, collector drain 2 is usually and sets It puts and the passage for discharging seepage in underground is used for below plunge pool floor concrete layer 1;It passes through in plunge pool floor concrete layer 1 Lower section sets crisscross collector drain 2 for collecting seepage in underground, and the water of collection is focused on corresponding cushion pool collection In well 9, and finally discharged using externally drained equipment;And the effect of ventilation hole 3 is the ventilation of water supply and sewage gallery 2, Yi Jiye The passage that can be passed in and out as operating personnel.
The utility model sets drainage system using corresponding collector drain 2 and ventilation hole 3, is specially:Drainage system bag Drain header 5 is included, one end of drain header 5 is water inlet end, and the other end is water outlet;The water inlet end of drain header 5 is from water cushion The upper surface of pool underplate concrete layer 1 is pierced by, and the water outlet of drain header 5 is arranged through edge after plunge pool floor concrete layer 1 Water gallery 2 and ventilation hole 3 are arranged to the export direction of ventilation hole 3;More drainings have been positioned apart from along the trend of drain header 5 Branch pipe 6, and more branch drains 6 are located at different elevations respectively, and control valve 7 is respectively arranged on every branch drain 6.
Water body in cushion pool can be drained into lower section by drainage system by above-mentioned arrangement using drain header 5 In collector drain 2, then cushion pool sump 9 is flowed into along ventilation hole 3 and collector drain 2 and extracted out by corresponding drainage equipment. Therefore the drainage system in the utility model takes full advantage of existing cushion pool equipment and its structure, can simplify construction investment, The draining being also more convenient for cushion pool simultaneously.Certainly, theoretically, may also set up similar with collector drain 2 and ventilation hole 3 Dedicated channel meets the arrangement requirement in the utility model to drain header 5 for arranging drain header 5.
Furthermore, it is contemplated that in some high dams are using cushion pool structure, the water depth in cushion pool is higher, usually may be used More than 30m.In these cases, if directly by be arranged on just through plunge pool floor concrete layer 1 drain header 5 water outlet End carry out draining, then since draining head pressure is too big, easily to corresponding concrete structure in collector drain 2 or other set It is standby to cause erosion damage, it is unfavorable for the safety of cushion pool structure;And acted on for the pressure of high water head, it can also increase to corresponding The keying control difficulty and control valve 7 equipment requirement of itself of control valve 7.Ventilation hole is utilized in the utility model therefore Situation about being gradually ramped up in 3 to its export direction, cloth is carried out by the water outlet of drain header 5 along collector drain 2 and ventilation hole 3 It puts, and is arranged to the export direction of ventilation hole 3, the purpose is to be arranged on elevation where the water outlet of drain header 5 as far as possible Higher position;More branch drains 6 are set as different elevations go out water level in the different elevation locations of drain header 5 simultaneously It puts, erosion damage when carrying out draining by opening corresponding branch drain 6 successively to reduce draining head and draining acts on.
For example, when needing to discharge the water body 8 in cushion pool, it can be opened first by corresponding control valve and be located at draining On supervisor 5 closest to and less than in cushion pool the liquid level elevation at this time of water body 8 branch drain 6, arranged by the branch drain 6 Water;Since gap is smaller between elevation where the liquid level elevation of water body 8 in cushion pool at this time and the water outlet of the branch drain 6, Therefore it is relatively low from the head pressure of 6 draining of branch drain, the effect of its erosion damage can be reduced.When above-mentioned branch drain 6 is by water Where the real-time liquid level elevation of water body 8 drains into the water outlet close to the branch drain 6 in the pad pool during elevation, be then turned on it is adjacent under One branch drain 6 continues draining;So operation, until the branch drain 6 for being located at extreme lower position is opened and by water cushion Until water body discharge in the pool.
Certainly, the water discharged by above-mentioned each branch drain 6 will flow into cushion pool collection along ventilation hole 3 and collector drain 2 Well 9 is simultaneously extracted out by corresponding drainage equipment;Such as by the external draining pump of setting by the water pump in cushion pool sump 9 extremely It is discharged beyond cushion pool..
In addition, all water bodys in cushion pool can have been discharged as far as possible in order to ensure being located at the branch drain 6 of extreme lower position, The elevation of wherein one branch drain 6 should be set not higher than elevation where 1 upper surface of plunge pool floor concrete layer;Usually will The branch drain 6 is arranged on its lowest position of drain header 5.
In addition, the drain header 5 in the utility model, theoretically carries out draining, row due to being provided with branch drain 6 The water outlet of water supervisor 5 can not have to draining;But in order to avoid inside cushion pool in its natural state water body 8 from drain header 5 water outlet water outlet, when the elevation at 5 upper water-out end of drain header is not higher than the design peak level H of water body 8 inside cushion pool When, control valve 7 is may be provided on drain header 5;Drain header 5 so can be closed by control valve 7;It specifically can be with Corresponding control valve 7 is provided at the water outlet of drain header 5 or can be also provided in the other positions on drainpipe 5 Corresponding control valve 7.In addition, when the elevation at 5 upper water-out end of drain header is higher than the design highest water of water body 8 inside cushion pool During the H of position, it can not have to set corresponding control valve 7 on drain header 5;Because the water outlet of drain header 5 at this time is higher than water The 8 corresponding liquid level of water body in the pool is padded, therefore will not be from the water outlet draining.
In addition, referring to the drawings shown in 4, further by the water inlet end of drain header 5 from cushion pool bottom in the utility model The upper surface of board concrete layer 1 is provided with bend loss 51 after being pierced by, the bend loss 51 makes the oral area direction of water inlet end after bending Lower section.The benefit so set be due to by the oral area of 5 water inlet end of drain header downward, the in vivo deposit of water (such as mud) will not be deposited directly to the oral area of drain header 5, can avoid causing the blocking to drain header 5, it is ensured that its It intakes unobstructed.More specifically, in the case where being provided with bend loss 51, and in order to drain the water body 8 in cushion pool as far as possible, together When be avoided that deposit blocks the oral area of drainpipe 5 again, the oral area of water inlet end on drain header 5 is preferably provided in the utility model Spacing L between the upper surface of plunge pool floor concrete layer 1 is 10cm~20cm;It is 10cm such as to set L.
Furthermore, it is contemplated that ventilation hole 3 is also commonly used for for walk, therefore in order to avoid passing through each branch drain 6 It also is available for passing through during draining, further the trend of ventilation hole 3 can be provided with gutter 31 in ventilation hole 3, and The water discharged from the water outlet of drain header 5 or any branch drain 6 is directly discharged into gutter 31.Certainly, accordingly The passage for walk is may be provided with positioned at the side in gutter 31 in ventilation hole 3, such as corresponding stair-step etc. is set. Without loss of generality, may also set up in corresponding collector drain 2 special for the draining for the current discharged from drain header 5 Ditch;And pass through the gutter and the water of discharge is drained in cushion pool sump 9, it specifically can refer to the arrow shown in attached drawing 1 Direction.
In addition, cushion pool draining, water filling system described in the utility model, further include water filling system, the water-filling system System includes charging pipe 10, and one end of charging pipe 10 is water inlet end, and the other end is water outlet;The water inlet end of charging pipe 10 passes through mixed It is communicated after solidifying soil water blocking dam 11 with upstream storehouse water water body 8, the elevation of 10 water inlet end of charging pipe is dead less than upstream storehouse water water body 8 Water level;The water inlet end of charging pipe 10 is arranged and worn downwards along 11 wall surface of concrete water blocking dam after passing through concrete water blocking dam 11 The access bridge 12 for being arranged at 11 rear side of concrete water blocking dam is crossed, is set on charging pipe 10 at 12 corresponding position of access bridge There is control valve 7.Specifically, charging pipe 10 can be pre-buried inside it in build concrete water blocking dam 11.Pass through charging pipe 10 Very easily water-filling can be carried out into cushion pool, it is necessary to which when water-filling only needs station on corresponding access bridge 12 by corresponding control Valve 7 processed is opened i.e. using the upstream storehouse water water body gravity of itself downstream cushion pool progress water-filling.
More specifically, the top that the elevation at 10 upper water-out end of charging pipe is preferably arranged to slightly below cushion pool abutment wall 4 is high Journey;As shown in Figure 5.In addition, in order to ensure can effectively carry out water-filling, usually the elevation of 10 water inlet end of charging pipe is set It sets low in the level of dead water h of upstream storehouse water water body 8;And the elevation of 10 water inlet end of charging pipe and upstream storehouse water water body can be usually set Spacing between 8 level of dead water h is 3~5m.

Claims (10)

1. cushion pool draining, water filling system, including drainage system and water filling system, below plunge pool floor concrete layer (1) It is provided with collector drain (2);Be provided with ventilation hole (3) with being connected with collector drain (2), the outlet of the ventilation hole (3) from Ground beyond cushion pool abutment wall (4) is pierced by, it is characterised in that:The drainage system includes drain header (5), drain header (5) one end is water inlet end, and the other end is water outlet;The water inlet end of drain header (5) is from plunge pool floor concrete layer (1) Upper surface be pierced by, the water outlet of drain header (5) through after plunge pool floor concrete layer (1) along collector drain (2) and Ventilation hole (3) is arranged to the export direction of ventilation hole (3);More draining branch have been positioned apart from along the trend of drain header (5) It manages (6), and more branch drains (6) are located at different elevations respectively, and control valve is respectively arranged on every branch drain (6) Door (7).
2. cushion pool draining as described in claim 1, water filling system, it is characterised in that:When drain header (5) upper water-out end When elevation is not higher than the design peak level H of water body (8) inside cushion pool, control valve is provided on drain header (5) (7)。
3. cushion pool draining as described in claim 1, water filling system, it is characterised in that:The water inlet end of drain header (5) is from water The upper surface of pad pool underplate concrete layer (1) is provided with bend loss (51) after being pierced by, make after bend loss (51) bending into water The oral area at end is downward.
4. cushion pool draining as claimed in claim 3, water filling system, it is characterised in that:The mouth of water inlet end on drain header (5) Spacing L between portion and the upper surface of plunge pool floor concrete layer (1) is 10cm~20cm.
5. cushion pool draining as described in claim 1, water filling system, it is characterised in that:Along ventilation hole in ventilation hole (3) (3) trend is provided with gutter (31), and the water discharged from the water outlet of drain header (5) or any branch drain (6) is straight Run in into gutter (31).
6. cushion pool draining as described in claim 1, water filling system, it is characterised in that:The drainage system further includes external Draining pump and cushion pool sump (9), the cushion pool sump (9) connect with collector drain (2), the external draining pump with Cushion pool sump (9) is communicated and can will discharged beyond the water pump in cushion pool sump (9) to cushion pool.
7. cushion pool draining as described in claim 1, water filling system, it is characterised in that:Wherein there is branch drain (6) Elevation is not higher than elevation where plunge pool floor concrete layer (1) upper surface.
8. cushion pool draining as claimed in any of claims 1 to 7 in one of claims, water filling system, it is characterised in that:Further include water-filling System, the water filling system include charging pipe (10), and one end of charging pipe (10) is water inlet end, and the other end is water outlet;It fills The water inlet end of water pipe (10) is communicated through concrete water blocking dam (11) with upstream storehouse water water body (8) afterwards, charging pipe (10) water inlet The elevation at end is less than the level of dead water of upstream storehouse water water body (8);The water inlet end of charging pipe (10) passes through concrete water blocking dam (11) It is arranged and pass through being arranged at the access bridge on rear side of concrete water blocking dam (11) downwards along concrete water blocking dam (11) wall surface afterwards (12), on charging pipe (10) control valve (7) is provided at position corresponding with access bridge (12).
9. cushion pool draining as claimed in claim 8, water filling system, it is characterised in that:The height at charging pipe (10) upper water-out end Journey is less than the cope level of cushion pool abutment wall (4).
10. cushion pool draining as claimed in claim 8, water filling system, it is characterised in that:The elevation of charging pipe (10) water inlet end Spacing between the level of dead water h of upstream storehouse water water body (8) is 3~5m.
CN201721541587.2U 2017-11-17 2017-11-17 Cushion pool draining, water filling system Withdrawn - After Issue CN207419414U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721541587.2U CN207419414U (en) 2017-11-17 2017-11-17 Cushion pool draining, water filling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721541587.2U CN207419414U (en) 2017-11-17 2017-11-17 Cushion pool draining, water filling system

Publications (1)

Publication Number Publication Date
CN207419414U true CN207419414U (en) 2018-05-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721541587.2U Withdrawn - After Issue CN207419414U (en) 2017-11-17 2017-11-17 Cushion pool draining, water filling system

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107747299A (en) * 2017-11-17 2018-03-02 中国电建集团成都勘测设计研究院有限公司 Cushion pool draining, water filling system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107747299A (en) * 2017-11-17 2018-03-02 中国电建集团成都勘测设计研究院有限公司 Cushion pool draining, water filling system

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