CN104064236B - Terrace flatly-buried type underground nuclear power station - Google Patents
Terrace flatly-buried type underground nuclear power station Download PDFInfo
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- CN104064236B CN104064236B CN201410264763.7A CN201410264763A CN104064236B CN 104064236 B CN104064236 B CN 104064236B CN 201410264763 A CN201410264763 A CN 201410264763A CN 104064236 B CN104064236 B CN 104064236B
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- 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
- Y02E30/00—Energy generation of nuclear origin
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Abstract
The invention discloses a terrace flatly-buried type underground nuclear power station which comprises a nuclear island and a conventional island. Nuclear-related buildings of the nuclear island are arranged in a nuclear island cavern group of a mountain, the conventional island is arranged on a first conventional island area and a second conventional island area, the first conventional island area is located on a terrace platform on the upper portion of a side slope of the mountain, the second conventional island area is located on a ground platform on the outer side of the side slope, and the nuclear island cavern group is flatly buried in the side slope of the mountain relative to the second conventional island area. The terrace flatly-buried type underground nuclear power station is suitable for the terrain environment with the large platforms on the outer side and the upper portion of the side slope of the mountain or the terrain environment with the large platforms easily formed on the outer side and the upper portion of the side slope of the mountain in a hand excavation mode, and feasible general arrangement is provided for the underground nuclear power station. Compared with a ground nuclear power station, a main process system does not need to be greatly adjusted, and the technical development difficulty of the underground nuclear power station is lowered. Nuclear island plants are arranged in different underground caverns, and it can be guaranteed that the existing underground engineering technology meets the requirement that the nuclear-related buildings of the nuclear power station are arranged underground.
Description
Technical field
The present invention relates to nuclear power technology, put down in particular to a kind of terrace and bury type underground nuclear power station.
Background technology
Large scale business nuclear power station is arranged in ground at present, and typically in more than 600MW, building mainly includes single heap power
Two parts：Nuclear island (include reactor assembly and primary Ioops system) and conventional island (inclusion steam turbine generator system, cooling tower, its
Its auxiliary equipment etc.).Former Soviet Union's Chernobyl nuclear accident, three miles of island nuclear accident of the U.S. and Fukushima, Japan nuclear accident show,
Under extreme accident conditions, existing ground nuclear power station is not enough to effective prevention and control nuclear leakage, guarantees nuclear safety.For this reason, more both at home and abroad
Scholar proposes to relate to core building in underground rock cavern in large nuclear power station, and the natural screening using rock mass is made
With preventing the extensive diffusion of nuclear pollution under extreme accident conditions, improving the security grade of nuclear power station.But excavation underground chamber,
It is typically chosen in the terrain environments such as mountain area or hills, built environment is distinguished larger compared with ground nuclear power station；And ground nuclear island of nuclear power station
With conventional island be that building quantity is many against arrangement, size big, existing underground space technology is difficult to meet single artificially descends hole
Room accommodates nuclear island owned building, and the general layout of ground nuclear power station can not meet the needs building underground nuclear power station.Therefore, have
The necessary change according to outside built environment, the general layout of Study of The Underground nuclear power station.
Content of the invention
It is an object of the invention to overcoming the weak point of above-mentioned existing background technology, and one kind is provided to be applied to massif side
Outside slope and side slope top all has outside large platform or side slope and side slope top hand excavation all easily forms large platform
Terrain environment terrace put down bury type underground nuclear power station.
In order to overcome defect present in background technology, a kind of terrace designed by the present invention is put down and is buried type underground nuclear power station,
Including nuclear island and conventional island, it is characterized in that, described nuclear island relates to core building and is placed in massif nuclear island cavity group, described normal
Rule island is placed on the first conventional island region and the second conventional island region, and described first conventional island region is located at massif side slope top
Terrace platform, described second conventional island region is located in the ground surface platform outside side slope, and described nuclear island cavity group is normal relative to second
Rule island is put down and is embedded in massif.
In technique scheme, described first conventional island region includes but is not limited to pump house；Described second conventional island
Steam turbine Factory Building, other Factory Buildings of conventional island and cooling tower are included but is not limited on region.Conventional island Factory Building Fen Liang area arranges, arrangement
Scheme flexibly, save by construction investment.
In technique scheme, described nuclear island cavity group includes the reactor building hole for placing response heap Factory Building
Room, for placing the electrical building cavern of nuclear island electrical control Factory Building and be used for placing nuclear auxiliary building, nuclear fuel Factory Building and peace
The assembled factory building cavern of full Factory Building, described assembled factory building the cavern layout above reactor building cavern, described electrical building
The cavern layout is on the right side of reactor building cavern.Nuclear island reactor building and the radioactive auxiliary plant of band are placed in underground chamber
In group, using the natural screening effect of rock mass, prevent the extensive diffusion of nuclear pollution under extreme accident conditions, improve nuclear power station
Security grade.
In technique scheme, described nuclear island cavity group also includes the pressure release cavern for reactor building pressure release, can
Improve the safety of reactor building.
In technique scheme, described reactor building cavern is cylindrical shape cavern, described electrical building cavern and group
Conjunction Factory Building cavern is gateway opening shape cavern, is easy to the arrangement of Factory Building in cavern, ensures that cavern stablizes safety simultaneously.
In technique scheme, in the rock mass of described reactor building cavern periphery, it is provided with nuclein migration protection system
System, described nuclein migration guard system include reactor building cavern inside lining structure sheaf, the rock mass layer through consolidation grouting for the hole week,
Seepage proof curtain layer and internal layer osculum curtain layer, described inside lining structure sheaf, the rock mass layer through consolidation grouting for the hole week, seepage proof curtain layer
From inside to outside it is sequentially arranged with internal layer osculum curtain layer；It is provided with peripheral osculum curtain in described nuclear island cavity group periphery rock mass
Layer.Nuclein migration guard system, can effectively prevent the cooling water containing radionuclide from migrating to extraneous life by rock mass subsoil water
Thing circle.
In technique scheme, described reactor building is connected by jet chimney with steam turbine Factory Building, described steam
Pipeline is located in the jet chimney tunnel of level.Jet chimney is horizontally connected to ground by jet chimney tunnel from reactor building
Face steam turbine Factory Building, jet chimney tunnel is the tunnel of level, makes vapor level transport, energy consumption minimum.
In technique scheme, passive pond is arranged on the terrace platform on side slope top, described passive pond
Connected with the reactor building in reactor building cavern by vertical pipe.Passive pond is arranged at outside massif side slope
Ground surface platform, utilization space depth displacement, realize passive water supply, so that cooling water gravity flow enters reactor factory under nuclear accident operating mode
Room.
In technique scheme, described reactor building cavern, assembled factory building cavern, electrical building pass through between cavern
Transport and communications tunnel connects.Transportation tunnel realizes traffic between each cavern, transport, fire-fighting.
In technique scheme, described assembled factory building cavern center fuel Factory Building is defeated with the fuel of reactor building cavern
Send mouthful position to correspond to, have two safe Factory Buildings to be located at nuclear fuel Factory Building both sides respectively.Respectively set a peace in nuclear fuel Factory Building both sides
Full Factory Building, safety is higher, the convenient transport core combustion corresponding with the fuel delivery port position of reactor building cavern of nuclear fuel Factory Building
Material.
The essence of the present invention is to be arranged in relating to core building in nuclear power station in different underground chambers, conventional island Factory Building master
Ground surface platform outside side slope to be arranged in, jet chimney is horizontally connected to ground steam turbine plant by tunnel from reactor building
Room, the passive cooling pond of nuclear island mainly arranged by the terrace platform on side slope top, buries type underground nuclear power station thus forming terrace and putting down.
Its advantage is mainly reflected in：
(1) it is hills or the mountain having suitable platform hillside is relatively slow, gentle slope terrace platform is arranged at nuclear island cavity group top, outside slope
Build Large Underground nuclear power station under the conditions of ground and provide a kind of feasible scheme, engineering economy is good, and Double tabletop condition is conducive to
Construction Arrangement；
(2) main technique system, compared with ground nuclear power station without Important Adjustment, reduces underground nuclear power station technical research difficulty；
(3) by nuclear island factory building being arranged in different underground chambers it can be ensured that existing underground engineering technology meets
Underground nuclear power station relates to the requirement that core building is arranged in underground；
(4) the natural screening effect of cavern surrounding rocks, improves the calamities such as nuclear power station reply earthquake, tsunami, fly bomb strike
The ability of evil, can prevent the extensive diffusion of nuclear pollution under extreme accident；
(5) the nuclein migration guard system in underground hole group rock mass, can effectively prevent the cooling water containing radionuclide
Migrated to extraneous biosphere by rock mass subsoil water；
(6) passive pond is arranged in side slope top terrace platform, can flow automatically as anti-using potential energy in the case of nuclear accident
Heap Factory Building is answered to supply water.Avoid power system supply discontinuity under accident conditions, the water supply being caused was lost efficacy.
Brief description
Fig. 1 puts down the profile burying type underground nuclear power station for terrace；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the structural representation of Fig. 1 Radionuclide Migration guard system.
In figure：1. reactor building cavern, 2. nuclear auxiliary building, 3. nuclear fuel Factory Building, 4. safe Factory Building, 5. electrical building
Cavern, 6. assembled factory building cavern, 7. pressure release cavern, 8. transport and communications tunnel, 9. nuclein migration guard system, 9-1. inside lining is tied
Structure layer, the rock mass layer of 9-2. consolidation grouting, 9-3. seepage proof curtain layer, 9-4. internal layer osculum curtain layer, 9-5. periphery osculum curtain
Layer, 10. jet chimney tunnel, 11. steam turbine Factory Buildings, other Factory Buildings of 12. conventional islands, 13. cooling towers, 14. passive ponds,
15. pump houses, A. massif, B. ground surface platform, C. the first conventional island region, D. the second conventional island region, E. terrace platform.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail, but this embodiment should not be construed as right
The restriction of the present invention.
With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of terrace of the present invention is put down and is buried type underground nuclear power station, including nuclear island and conventional island, nuclear island
Relate to core building to be placed in massif A nuclear island cavity group, conventional island is placed on the first conventional island region C and the second conventional island region D,
First conventional island region C is located on the terrace platform E on massif A top, and the second conventional island region D is located at ground surface platform B in outside,
Nuclear island cavity group is put down relative to the second conventional island D and is embedded in massif A, as shown in Figure 1.
Nuclear island cavity group includes reactor building cavern 1, electrical building cavern 5, assembled factory building cavern 6 and pressure release cavern 7.
With the visual angle (as shown in Figure 2) overlooked, assembled factory building cavern 6 is arranged in the top of reactor building cavern 1, electrical building cavern
5 right sides being arranged in reactor building cavern 1.Reactor building in reactor building cavern 1 mainly includes reactor, steam
The equipment such as generator, cooling medium pump, containment.Reactor building integral arrangement is in independent underground chamber.Reactor, steam
Generator, cooling medium pump form primary Ioops by placed in series, as steam supply system.Containment encapsulation reaction heap, steam
The equipment such as generator, cooling medium pump, as the 3rd road safety curtain of nuclear power station.Reactor building cavern 1 and steam turbine Factory Building
11 are connected by the jet chimney tunnel 10 of level.Pressure release cavern 7 is used for reactor building pressure release.
Nuclear auxiliary building 2, nuclear fuel Factory Building 3 and safe Factory Building 4 are placed in the same underground chamber in assembled factory building cavern 6
Interior；Nuclear fuel Factory Building 3 is corresponding with the fuel delivery port position of reactor building cavern 1, has two safe Factory Buildings 4 to be located at core respectively
Fuel Factory Building 3 both sides.Nuclear island electrical control Factory Building is independently arranged in electrical building cavern 5, also sets main steam valve chamber in it.Respectively
All connected by transport and communications tunnel 8 between underground chamber, transport and communications tunnel 8 is used for nuclear fuel Factory Building 3 and reactor building
Traffic between the fuel transport of cavern 1 and each cavern, fire-fighting, transport.Meeting core process system and adjoining rock stability requirement
Under conditions of, each cavern in addition to reactor building cavern 1 can be according to actual geological conditions flexible arrangement.
Conventional island is placed on the first conventional island region C and the second conventional island region D, on the first conventional island region C include but
It is not limited to pump house 15；Steam turbine Factory Building 11, other Factory Buildings 12 of conventional island and cooling are included but is not limited on the second conventional island region D
Tower 13, under conditions of meeting core process system requirement, conventional island groups of building can be put down on ground according to physical condition flexible arrangement
On platform B and terrace platform E.Other Factory Buildings 12 of steam turbine Factory Building 11, conventional island and cooling tower 13 are placed in outside massif A side slope
In ground surface platform B, pump house 15 etc. is placed on the terrace platform E on side slope top.Steam turbine in steam turbine Factory Building 11 and steam
Generator is connected by jet chimney and is formed secondary circuit, and high steam pushing turbine rotates, and drives electrical power generators.Condenser
With cooling tower 13, three loops are formed by placed in series, the secondary circuit steam after acting is cooled down.
Passive pond 14 is arranged on the first conventional island region C, and vertical pipe and reactor are passed through in passive pond 14
Reactor building connection in Factory Building cavern 1.Passive pond 14 connects pond and reactor building, utilization space by pipeline
Depth displacement, realizes passive water supply, so that cooling water gravity flow enters reactor building under nuclear accident operating mode.
Reactor building cavern 1 is cylindrical shape cavern, and electrical building cavern 5 and assembled factory building cavern 6 are gateway opening shape hole
Room.Each cavern size should meet receiving equipment and Stability of Excavation Surrounding requirement.Each cavern spacing and Mass Near The Top of Underground Cavity rock mass thickness should
Meet Rock Slide Stability requirement.As shown in figure 1, being provided with nuclein migration guard system in the rock mass of reactor building cavern 1 periphery
9, nuclein migration guard system 9 includes reactor building cavern 1 inside lining structure sheaf 9-1, the rock mass layer through consolidation grouting for the hole week
9-2, seepage proof curtain layer 9-3 and internal layer osculum curtain layer 9-4, inside lining structure sheaf 9-1, the rock mass layer 9- through consolidation grouting for the hole week
2nd, seepage proof curtain layer 9-3 and internal layer osculum curtain layer 9-4 is from inside to outside sequentially arranged.As shown in figure 3, nuclear island cavity group periphery
It is provided with peripheral osculum curtain layer 9-5 in rock mass.Nuclein migration guard system 9 prevent Groundwater infiltration cavity group in rock mass and
Stop the cooling water that cavern includes radionuclide from extravasating into rock mass subsoil water and enter extraneous biosphere.Lining thickness, consolidation fill
The arrangement form of slurry scope, seepage proof curtain and osculum curtain and parameter, pass through to calculate analysis determination according to actual geological conditions.Core
Island cavity group also includes a series of artificial reinforced measures taken for ensureing cavern excavation stable, such as system anchor bolt, system anchor
Rope, concrete spray coating etc..
Other unspecified parts are prior art.
Claims (6)
1. a kind of terrace is put down and is buried type underground nuclear power station, and including nuclear island and conventional island, described nuclear island relates to core building and is placed in massif (A)
In nuclear island cavity group it is characterised in that：Described conventional island is placed on the first conventional island region (C) and the second conventional island region (D),
Described first conventional island region (C) is located at the terrace platform (E) on massif (A) side slope top, described second conventional island region (D) position
In the ground surface platform (B) outside side slope, described nuclear island cavity group is put down relative to the second conventional island region (D) and is embedded in massif (A)；
The upper including but not limited to pump house (15) in described first conventional island region (C)；Described second conventional island region (D) above includes but does not limit
In steam turbine Factory Building (11), other Factory Buildings of conventional island (12) and cooling tower (13)；Described nuclear island cavity group includes anti-for placing
Answer the reactor building cavern (1) of heap Factory Building, be used for placing the electrical building cavern (5) of nuclear island electrical control Factory Building and being used for putting
Put the assembled factory building cavern (6) of nuclear auxiliary building (2), nuclear fuel Factory Building (3) and safe Factory Building (4), described assembled factory building cavern
(6) it is arranged in the top of reactor building cavern (1), described electrical building cavern (5) is arranged in reactor building cavern (1)
Right side；Described nuclear island cavity group also includes the pressure release cavern (7) for reactor building pressure release；Described reactor building cavern
(1) it is cylindrical shape cavern, described electrical building cavern (5) and assembled factory building cavern (6) are gateway opening shape cavern.
2. terrace according to claim 1 put down bury type underground nuclear power station it is characterised in that：Described reactor building cavern
(1) it is provided with nuclein migration guard system (9) in the rock mass of periphery, described nuclein migration guard system (9) includes reactor factory
Room cavern (1) inside lining structure sheaf (9-1), the rock mass layer (9-2) through consolidation grouting for the hole week, seepage proof curtain layer (9-3) and internal layer
Osculum curtain layer (9-4), described inside lining structure sheaf (9-1), the rock mass layer (9-2) through consolidation grouting for the hole week, seepage proof curtain layer
(9-3) from inside to outside it is sequentially arranged with internal layer osculum curtain layer (9-4)；It is provided with periphery in described nuclear island cavity group periphery rock mass
Osculum curtain layer (9-5).
3. terrace according to claim 1 put down bury type underground nuclear power station it is characterised in that：Described reactor building and steamer
Machine Factory Building (11) is connected by jet chimney, and described jet chimney is located in the jet chimney tunnel (10) of level.
4. terrace according to claim 1 put down bury type underground nuclear power station it is characterised in that：Passive pond (14) is arranged at
On the terrace platform (E) on side slope top, described passive pond (14) is passed through in vertical pipe and reactor building cavern (1)
Reactor building connects.
5. terrace according to claim 3 put down bury type underground nuclear power station it is characterised in that：Described reactor building cavern
(1), pass through transport and communications tunnel (8) between assembled factory building cavern (6), electrical building cavern (5) to connect.
6. terrace according to claim 5 put down bury type underground nuclear power station it is characterised in that：Described assembled factory building cavern (6)
Center fuel Factory Building (3) is corresponding with the fuel delivery port position of reactor building cavern (1), has two safe Factory Buildings (4) respectively
Positioned at nuclear fuel Factory Building (3) both sides.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410264763.7A CN104064236B (en) | 2014-06-13 | 2014-06-13 | Terrace flatly-buried type underground nuclear power station |
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| CN201410264763.7A CN104064236B (en) | 2014-06-13 | 2014-06-13 | Terrace flatly-buried type underground nuclear power station |
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| CN104064236B true CN104064236B (en) | 2017-02-15 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953605B (en) * | 2016-06-28 | 2017-11-28 | 长江勘测规划设计研究有限责任公司 | A kind of underground nuclear power station cools down vertical shaft |
| CN106128520A (en) * | 2016-08-10 | 2016-11-16 | 长江勘测规划设计研究有限责任公司 | A kind of underground nuclear power station rock mass cavern type containment |
| CN106340330B (en) * | 2016-08-31 | 2017-11-03 | 长江勘测规划设计研究有限责任公司 | A kind of underground nuclear power station main building group step layout design method |
| CN106373626B (en) * | 2016-08-31 | 2018-03-20 | 长江勘测规划设计研究有限责任公司 | A kind of underground nuclear power station main building group lower embedding type layout design method |
| CN106531265B (en) * | 2016-10-27 | 2018-07-03 | 长江勘测规划设计研究有限责任公司 | A kind of fully buried layout design method of underground nuclear power station main building group |
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