CN108005115A - Underground Hydro-electric Power Station drainage system - Google Patents

Underground Hydro-electric Power Station drainage system Download PDF

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Publication number
CN108005115A
CN108005115A CN201711320384.5A CN201711320384A CN108005115A CN 108005115 A CN108005115 A CN 108005115A CN 201711320384 A CN201711320384 A CN 201711320384A CN 108005115 A CN108005115 A CN 108005115A
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CN
China
Prior art keywords
layer
sheath
power station
electric power
drainage system
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Granted
Application number
CN201711320384.5A
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Chinese (zh)
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CN108005115B (en
Inventor
吴方明
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Sinohydro Bureau 10 Co Ltd
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Sinohydro Bureau 10 Co Ltd
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Priority to CN201711320384.5A priority Critical patent/CN108005115B/en
Publication of CN108005115A publication Critical patent/CN108005115A/en
Application granted granted Critical
Publication of CN108005115B publication Critical patent/CN108005115B/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/04—Pipes or fittings specially adapted to sewers
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/22—Adaptations of pumping plants for lifting sewage
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Mechanical Engineering (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The invention discloses a kind of Underground Hydro-electric Power Station drainage system, it is applied to the underground power house cavern in power station, the Underground Hydro-electric Power Station includes top discharge structure with drainage system, middle discharge structure, bottom discharge structure and integrated pumping plant, the top discharge structure includes arc water barrier, the arc water barrier is divided into outer jacket and sheath, the outer jacket and sheath are arc and sheath is located on the inside of outer jacket, the inside and outside wall of the sheath is respectively equipped with outer waterproof and applies and inner waterproofing coating, the middle discharge structure includes the right support wall and left support wall being vertically arranged, the inside and outside wall of the right support wall and left support wall is equipped with inner waterproofing layer and exterior waterproof coating；Thus, rational in infrastructure, draining good water-proof effect of the invention, can provide preferable drainage performance.

Description

Underground Hydro-electric Power Station drainage system
Technical field
The present invention relates to water conservancy and hydropower technical field, more particularly to a kind of Underground Hydro-electric Power Station drainage system.
Background technology
In the construction of hydropower stations, usually by the construction of underground chamber, very important power station operation, management, peace are realized The communication functions such as total inspection, and underground chamber also needs to realize the function of underground power house after building up, for this reason, underground chamber needs very Good safety drain requirement, in the prior art, generally use telescoping steel form casting concrete is constructed, its drainage effect Difference, draining coverage ratio are low so that and it is long-term moist in workshop cavern, it is unfavorable for the indoor work in workshop hole, traffic and longtime running.
For this reason, the designer of the present invention, in view of drawbacks described above, by concentrating on studies and designing, synthesis is engaged in for many years for a long time The experience and achievement of related industry, research and design go out a kind of Underground Hydro-electric Power Station drainage system, to overcome above-mentioned lack Fall into.
The content of the invention
It is an object of the invention to provide a kind of Underground Hydro-electric Power Station drainage system, its is rational in infrastructure, draining Good water-proof effect, can provide preferable drainage performance.
To solve the above problems, the invention discloses a kind of Underground Hydro-electric Power Station drainage system, it is applied to The underground power house cavern in power station, it is characterised in that：
The Underground Hydro-electric Power Station includes top discharge structure, middle discharge structure, bottom row with drainage system Water-bound and integrated pumping plant, the top discharge structure include arc water barrier, and the arc water barrier is divided into outer jacket and interior Sheath, the outer jacket and sheath are arc and sheath is located on the inside of outer jacket, the inside and outside wall difference of the sheath Applied equipped with outer waterproof and inner waterproofing coating, the middle discharge structure include the right support wall and left support wall being vertically arranged, institute The inside and outside wall for stating right support wall and left support wall is equipped with inner waterproofing layer and exterior waterproof coating, and the both ends of the sheath are respectively supported at The top of right support wall and left support wall, the bottom of the right support wall and left support wall are respectively supported at bottom discharge structure Both sides.
Wherein：The outer waterproof coating, inner waterproofing coating, inner waterproofing layer and exterior waterproof coating are waterproof coating layer or compound anti- Water layer, the waterproof coating layer are made of geotextiles with the dope layer for being coated on the geotextiles, and the complex waterproof layer is three Rotating fields, the nonwoven layer it includes outside, middle polyethylene layer and the polybutadiene rubber layer of inner side.
Wherein：The complex waterproof layer first passes through mode that rivet or screw fix by nonwoven layer in Specific construction It is fixed, polyethylene layer is then fixed on nonwoven layer using welding, finally again by cohesive mode by polybutadiene Rubber layer is fixed on polyethylene layer, and the waterproof coating of this combined type was both realized by nonwoven layer and polyethylene layer to be attached and prevent Water function, the polybutadiene rubber layer of outer layer, which is more avoided that, produces crack and rupture, effectively improves overall performance, avoids leaking.
Wherein：The sheath is additionally provided with top curve drainpipe, and the right support wall and left support are provided with perpendicular within the walls In line water pipe, the both ends of the arc drainpipe are respectively communicated with the upper end of the vertical drainage pipe, the vertical drainage pipe Lower end is connected to the integrated pumping plant.
Wherein：The bottom discharge structure includes support plate, first sheath and second sheath, first supporting Layer is located at the lower section of the support plate, and second sheath is located at the lower section of first sheath.
Wherein：First sheath includes more support tubes, and the support tube is made of steel pipe, under the support tube End is supported in second sheath, and upper end is supported in support plate, is equipped with cobble supporting layer between more support tubes, described second Sheath includes the supporting layer on top and the coarse sand filter layer below supporting layer, and multiple collection are equipped with the coarse sand filter layer Sink, the multiple catch basin are connected with each other by collector pipe and are connected to integrated pumping plant.
Wherein：The support plate is equipped with the drainage channel of multiple up/down perforations, assembles on the supporting plate to avoid moisture, institute State cobble supporting layer to be made of the essentially identical cobble of granular size, its drainage effect is preferable, and the supporting layer can be by band hole Material be made.
By said structure, Underground Hydro-electric Power Station of the invention is had the effect that with drainage system：
1st, good integrity, water resistance are good, it is not easy to leak；
2nd, draining is smooth, easy to quickly be discharged the moisture in tunnel, avoids the ponding in tunnel may；
3rd, it is applied widely, easy to promote on a large scale；
4th, it is convenient to construct, and has good feasibility.
The detailed content of the present invention can be obtained by explanation described later and institute's attached drawing.
Brief description of the drawings
Fig. 1 shows the structure diagram of the Underground Hydro-electric Power Station drainage system of the present invention.
Fig. 2 shows the structure diagram of drainpipe in the present invention.
Fig. 3 shows the structure diagram that pumping plant is integrated in the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with attached drawing, to the present invention's Particular content is described in detail.
Referring to Fig. 1 and 2, it is shown that Underground Hydro-electric Power Station drainage system of the invention, it can be applied to water power The underground power house cavern stood, the underground power house cavern may be generally located in massif 10.
The Underground Hydro-electric Power Station includes top discharge structure, middle discharge structure, bottom row with drainage system Water-bound and integrated pumping plant 19, the top discharge structure include arc water barrier, and the arc water barrier is divided into outer jacket 12 And sheath, the outer jacket 12 and sheath are arc and sheath is located at the inner side of outer jacket 12, can in Specific construction Form outer jacket 12 using concrete after bar-mat reinforcement, stent by installing, the sheath equally can by stent, bar-mat reinforcement and Concrete is formed, and the inside and outside wall of the sheath is respectively equipped with outer waterproof and applies 13 and inner waterproofing coating 14, by waterproof layer by institute State between outer jacket 10 and sheath and the inner wall of sheath forms waterproof construction, so that outer jacket 10 and sheath be separated Open, the outer jacket 10 directly contacts the sandstone soil in massif, the sheath will not direct ingress of air layer, wherein, The edges at two ends of the outer jacket 12 more stretches out than the edges at two ends of sheath, to be protected by outer jacket 12, and The thickness of outer jacket 12 is at least the 3/2 of sheath, and to provide solid protection, the middle discharge structure is included and is vertically arranged Right support wall 17 and left support wall 18, the right support wall 17 and left support wall 18 equally can be by installing bar-mat reinforcement, stent Formed afterwards using concrete, the inside and outside wall of the right support wall 17 and left support wall 18 is equipped with inner waterproofing layer and exterior waterproof coating, institute The both ends for stating sheath are respectively supported at the top of right support wall 17 and left support wall 18, the right support wall 17 and left support wall 18 bottom is respectively supported at the both sides of bottom discharge structure.
Structure design by doing so, can give the effective waterproof of the indoor grade of mill construction 11 offer in underground power house hole to protect Shield.
Wherein, the outer waterproof coating 13, inner waterproofing coating 14, inner waterproofing layer and exterior waterproof coating can be waterproof coating layer or Complex waterproof layer, the waterproof coating layer are made of geotextiles with the dope layer for being coated on the geotextiles, the composite water-proof Layer is three-decker, the nonwoven layer it includes outside, middle polyethylene layer and the polybutadiene rubber layer of inner side, specific In construction, the mode that rivet or screw are fixed can be first passed through nonwoven layer is fixed, then utilize welding by polyethylene layer Nonwoven layer is fixed on, polybutadiene rubber layer is finally fixed on by polyethylene layer, this combined type by cohesive mode again Waterproof coating both realized and attached and water-proof function, the polybutadiene rubber layer of outer layer more can by nonwoven layer and polyethylene layer Avoid producing crack and rupture, effectively improve overall performance, avoid leaking.
To improve drainage performance, suitable for the demand in power station, the sheath is additionally provided with top curve drainpipe 15, institute The shape and the shape of the sheath for stating arc drainpipe 15 are adapted, and are set in the right support wall 17 and left support wall 18 There is vertical drainage pipe 16, the both ends of the arc drainpipe 15 are respectively communicated with the upper end of the vertical drainage pipe 16, described perpendicular The lower end of in line water pipe 16 is connected to the integrated pumping plant 19.
Wherein, the bottom discharge structure includes 21, first sheaths of support plate and second sheath, described first Sheath is located at the lower section of the support plate 21, and second sheath is located at the lower section of first sheath, described first Sheath includes more support tubes 22, and the support tube 22 is made of steel pipe, and the lower end of the support tube 22 is supported in the second supporting Layer, upper end are supported in support plate 21, and the support tube 22 can be in that array-like is arranged, and cobble is equipped between more support tubes 22 Supporting layer 24, thus, under the action of support tube 22, support plate 16 can obtain more preferable support, and cobble supporting layer 24 also can be into The sufficient moisture discharge of row and Auxiliary support, second sheath include the supporting layer on top and below supporting layers Coarse sand filter layer 23, the coarse sand filter layer 23 is interior to be equipped with multiple catch basins 25, and the multiple catch basin 25 can pass through collector pipe It is connected with each other and is connected to integrated pumping plant 19.
The support plate 21 is equipped with the drainage channel of multiple up/down perforations, assembles to avoid moisture in support plate 21, institute Stating cobble supporting layer 24 can be made of the essentially identical cobble of granular size, its drainage effect is preferable, and the supporting layer can be by band The material of hole is made, and equally avoids the assembly of moisture.
Thus, when needing draining, the moisture that outer jacket is penetrated into inside the massif can be discharged by drainpipe, and from inside The moisture for penetrating into sheath in space equally can smoothly be discharged by drainpipe, is not only solved from soil horizon and is entered tunnel drainage The problem of, moreover it is possible to the drainage problem entered after avoiding internal steam or humidity excessive from tunnel space, effectively increases draining work( Can and security performance, and bottom discharge structure is entered by gradual moisture from top to bottom, can preferably control moisture by Layer penetrates into, moreover it is possible to provides preferably buffering and support, while by the setting of catch basin, smoothly can discharge the moisture of infiltration To pumping plant, excessive moisture is discharged in time under the action of pumping plant, avoids track support plate from support problem occur.
Wherein, the structure of the arc drainpipe and vertical drainage pipe can be found in Fig. 2, can include and is made of moulding material Drainage conduit body 26, the drainage conduit body thus with certain elasticity and intensity can preferably be arranged at top layer, in drainage conduit body 26 Multiple osculums 27, the unordered setting that the multiple osculum 27 can be longitudinally spaced are equipped with, each osculum 27 is equipped with netted Filter layer 28, that is, be avoided that sandstone soil enters osculum, moreover it is possible to beneficial to the effective by improve filtering and drainage of moisture Can, the filter layer 28 can be double-layer structure, comprising the metal filter screen outside osculum 27 and in osculum 27 The elastic filter screen in portion, the hole of the metal filter screen are more than the hole of elastic filter screen, and this set is due to metal mistake The intensity higher of strainer, that is, ensure that the filtering support effect of metal filter screen, and the effectively elastic filter screen of protection is not destroyed.
Optionally, the structure of the collector pipe can be similar with drainpipe, and same include collects made of moulding material Water pipe body, the tube body that catchments are equipped with multiple gully-holes, and the multiple gully-hole is equipped with filter screen, and the filter screen can be gold Category is made, to provide preferable intensity and filtering drainage performance.
Wherein, referring to Fig. 3, the integrated pumping plant may include pumping plant babinet 29, driving motor 30, pump 31 and control cabinet (not shown), the pumping plant babinet 29 are equipped with driving motor 30, and the drive shaft of the driving motor 30 stretches into pumping plant babinet 29 And be connected to pump 31, optionally, it is described driving motor 30 drive shaft by a shaft coupling 36 be connected to it is described pump 31, and 36 outer rim of shaft coupling is equipped with back taper cover 35, is transferred to babinet to avoid by the vibrations of motor and pump, the control cabinet is integrated in pump Stand the upper end of babinet 29, install and use space so as to reduce, the control cabinet is equipped with control panel, and the control panel can be equipped with Indicating member and controlling switch, the controlling switch are connected to the components such as driving motor, pump to be controlled by control cabinet.
Wherein, the outside of the pumping plant babinet 29 can also be equipped with accumulator 32, the accumulator 32 by pipeline connection extremely Inside pumping plant babinet 29, and control valve 33 and buffering mounting assembly 34 are equipped with pipeline, since accumulator 32 can provide Energy free input when of short duration control, maintain the unlatching of gate, so as to select the motor of power smaller and pump, effectively reduce into This.
Therefore, the advantage of the invention is that：
1st, good integrity, water resistance are good, it is not easy to leak；
2nd, draining is smooth, easy to quickly be discharged the moisture in tunnel, avoids the ponding in tunnel may；
3rd, it is applied widely, easy to promote on a large scale；
4th, it is convenient to construct, and has good feasibility.
It is readily apparent that the description and record of the above are only illustrated in the disclosure being not intended to be limiting of the invention Appearance, application or use.Although describing in embodiment and embodiment being described in the drawings, the present invention does not limit By attached drawing example and be described as in embodiment it is now recognized that optimal mode to implement the particular case of the teachings of the present invention Son, the scope of the present invention is by any embodiment including falling into description and appended claims above.

Claims (7)

1. a kind of Underground Hydro-electric Power Station drainage system, it is applied to the underground power house cavern in power station, its feature exists In：
The Underground Hydro-electric Power Station includes top discharge structure, middle discharge structure, bottom discharge knot with drainage system Structure and integrated pumping plant, the top discharge structure include arc water barrier, and the arc water barrier is divided into outer jacket and sheath, The outer jacket and sheath are arc and sheath is located on the inside of outer jacket, and the inside and outside wall of the sheath is respectively equipped with outside Waterproof applies and inner waterproofing coating, and the middle discharge structure includes the right support wall and left support wall being vertically arranged, the right branch The inside and outside wall of buttress and left support wall is equipped with inner waterproofing layer and exterior waterproof coating, and the both ends of the sheath are respectively supported at right support The top of wall and left support wall, the bottom of the right support wall and left support wall are respectively supported at the both sides of bottom discharge structure.
2. Underground Hydro-electric Power Station drainage system as claimed in claim 1, it is characterised in that：The outer waterproof applies Layer, inner waterproofing coating, inner waterproofing layer and exterior waterproof coating are waterproof coating layer or complex waterproof layer, and the waterproof coating layer is by geotechnique Cloth and the dope layer composition for being coated on the geotextiles, the complex waterproof layer is three-decker, and it includes the non-woven fabrics in outside The polybutadiene rubber layer of layer, middle polyethylene layer and inner side.
3. Underground Hydro-electric Power Station drainage system as claimed in claim 2, it is characterised in that：The complex waterproof layer In Specific construction, first pass through the mode that rivet or screw are fixed and nonwoven layer is fixed, then utilize welding by poly- second Alkene layer is fixed on nonwoven layer, and polybutadiene rubber layer finally is fixed on polyethylene layer by cohesive mode again, this multiple Box-like waterproof coating both realized attaching and water-proof function, the polybutadiene rubber layer of outer layer by nonwoven layer and polyethylene layer More it is avoided that and produces crack and rupture, effectively improves overall performance, avoid leaking.
4. Underground Hydro-electric Power Station drainage system as claimed in claim 1, it is characterised in that：The sheath is also set There is a top curve drainpipe, the right support wall and left support are provided with vertical drainage pipe within the walls, and the two of the arc drainpipe End is respectively communicated with is connected to the integrated pumping plant in the upper end of the vertical drainage pipe, the lower end of the vertical drainage pipe.
5. Underground Hydro-electric Power Station drainage system as claimed in claim 1, it is characterised in that：The bottom discharge knot Structure includes support plate, first sheath and second sheath, and first sheath is located at the lower section of the support plate, described Second sheath is located at the lower section of first sheath.
6. Underground Hydro-electric Power Station drainage system as claimed in claim 1, it is characterised in that：First sheath Comprising more support tubes, the support tube is made of steel pipe, and the lower end of the support tube is supported in second sheath, upper end support In support plate, cobble supporting layer is equipped between more support tubes, second sheath includes supporting layer and the position on top Coarse sand filter layer below supporting layer, the coarse sand filter layer is interior to be equipped with multiple catch basins, and the multiple catch basin passes through collection Water pipe is connected with each other and is connected to integrated pumping plant.
7. Underground Hydro-electric Power Station drainage system as claimed in claim 6, it is characterised in that：The support plate is equipped with The drainage channel of multiple up/down perforations, assembles on the supporting plate to avoid moisture, and the cobble supporting layer is basic by granular size Identical cobble composition, its drainage effect is preferable, and the supporting layer can be made of the material with hole.
CN201711320384.5A 2017-12-12 2017-12-12 Drainage system for underground powerhouse chamber of hydropower station Active CN108005115B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711320384.5A CN108005115B (en) 2017-12-12 2017-12-12 Drainage system for underground powerhouse chamber of hydropower station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711320384.5A CN108005115B (en) 2017-12-12 2017-12-12 Drainage system for underground powerhouse chamber of hydropower station

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CN108005115A true CN108005115A (en) 2018-05-08
CN108005115B CN108005115B (en) 2020-06-30

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202627032U (en) * 2012-05-30 2012-12-26 福建省泷澄建设集团有限公司 Buoyancy release system for deep foundation slab
CN104533469A (en) * 2014-12-30 2015-04-22 中国电建集团贵阳勘测设计研究院有限公司 Method and device for solving water seepage and leakage of underground cavity lining surface
CN204875834U (en) * 2015-06-05 2015-12-16 成都迅德科技有限公司 Liquefaction sand and soil structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202627032U (en) * 2012-05-30 2012-12-26 福建省泷澄建设集团有限公司 Buoyancy release system for deep foundation slab
CN104533469A (en) * 2014-12-30 2015-04-22 中国电建集团贵阳勘测设计研究院有限公司 Method and device for solving water seepage and leakage of underground cavity lining surface
CN204875834U (en) * 2015-06-05 2015-12-16 成都迅德科技有限公司 Liquefaction sand and soil structure

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