CN104064234B - Underground nuclear plant with nuclear island cavern groups distributed in gallery shape - Google Patents
Underground nuclear plant with nuclear island cavern groups distributed in gallery shape Download PDFInfo
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- CN104064234B CN104064234B CN201410264277.5A CN201410264277A CN104064234B CN 104064234 B CN104064234 B CN 104064234B CN 201410264277 A CN201410264277 A CN 201410264277A CN 104064234 B CN104064234 B CN 104064234B
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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 an underground nuclear plant with nuclear island cavern groups distributed in a gallery shape. The underground nuclear plant comprises nuclear islands used for generating steam through nuclear fission energy and arranged in underground cavern groups, a reactor factory building cavern used for containing reactor factory buildings is arranged in the middle, and auxiliary cavern groups used for containing auxiliary factory buildings are oppositely arranged on the two sides of the reactor factory building cavern to form a gallery structure. The factory buildings of the nuclear islands are distributed underground to form the gallery structure, so that the number of caverns of the cavern groups of the underground nuclear islands can be reduced, adverse stratum directions and ground stress large principal stress directions are conveniently avoided, and stability of surrounding rock of the caverns is facilitated.
Description
Technical field
The present invention relates to underground nuclear power technology, arranges underground nuclear power station in particular to a kind of nuclear island cavity group gallery shape.
Background technology
Former Soviet Union's Chernobyl nuclear accident, three miles of U.S. island nuclear accident and Fukushima, Japan nuclear accident show, extreme
Under accident conditions, existing ground nuclear power station is not enough to effective prevention and control nuclear leakage, it is ensured that nuclear safety.For this purpose, domestic and international some scholars,
Research institution is proposed the large scale business construction of nuclear power station in underground, is acted on using the natural screening of rock mass, make extreme accident conditions
Lower nuclear pollution is effectively controlled, and improves the security grade of nuclear power station.The countries and regions such as the U.S., Japan, the former Soviet Union, Europe are certainly
The seventies in last century has carried out the Conceptual Design Study of underground nuclear power station so far, successively, and its basic ideas built is by nuclear power
Station relates to nuclear equipment, such as reactor, steam generator, main pump, manostat, primary coolant circuit pipe and associated satellite equipment etc., lays
In underground chamber.This construction mode, equipment flexible arrangement, underground chamber scale are less, and it is relatively low that cavern con struction excavates difficulty.
Although correlational study is had it long ago, the case history of large scale business underground nuclear power station is had no at present in the world.This
It is primarily due to：1. by the construction of nuclear power station in underground, due to cavern excavation, civil engineering expense will increased；2. it is reduction
The accident rate of equipment operation, should reduce as far as possible to changing with reference to power station existing equipment process system during the construction of nuclear power station
It is dynamic.Such as according to above-mentioned underground nuclear power station Constructing ideas, nuclear power station is related to into space requirement of the nuclear equipment according to underground chamber, flexible cloth
It is placed in cavern, although cavern's scale can be reduced to a certain extent, but will makes to relate to the arrangement of nuclear equipment and existing ground reference
There is relatively big difference in power station, so as to carry out substantial amounts of safety evaluation and demonstration, and does not meet third generation in the world Construction of Nuclear Electricity mark
Standardization, modular total thinking.
The each Factory Building of existing terrestrial commercial nuclear island of nuclear power station, such as reactor building, fuel Factory Building, electrical building, safe factory
Room, nuclear auxiliary building etc., its internal unit arrangement are proved through strict, with standardization and modular feature.Thus, greatly
Type is commercially descended in the construction of nuclear power station, should ensure the version of each Factory Building of nuclear island, mutual alignment relation, internal unit as far as possible
Arrangement etc. does not carry out big change, to reduce the adjustment of core process system.But, limited by underground cavern excavation technology, it is difficult
To provide a sufficiently large cavern, existing ground nuclear island each Factory Building is replicated completely and is built in underground.
I.e. the version of each Factory Building of guarantee nuclear island, mutual alignment relation, internal unit arrangement etc. do not carry out big adjustment,
The requirement of existing underground cavern excavation technology can be met again, and it is by existing ground nuclear power that underground nuclear power station builds simplest mode
The each Factory Building of nuclear island of standing radially is stretched centered on reactor building, and each Factory Building is arranged in different small-sized caverns, from
And the characteristics of being circular layout is presented on the whole.Thus, reactor building cavern, fuel Factory Building cavern, safe Factory Building need to be built
6 independent underground chambers such as cavern, nuclear auxiliary building cavern, electrical building cavern, connection Factory Building cavern.So in Underground Tunnels
During room group excavates, three layers need to be arranged, totally 38 working tunnels, construction interference is big, is unfavorable for cavity group adjoining rock stability.And, ring
In shape arrangement, the axis of the cavern such as fuel Factory Building cavern, connection Factory Building cavern is mutually perpendicular to, it is impossible to ensure each cavern's axis with
Formation strike and the big principal direction of stress of crustal stress intersect in wide-angle, are unfavorable for Stability of Excavation Surrounding.Therefore, it is necessary to underground
The arrangement form of nuclear island cavity group is optimized, to reduce cavern, working tunnel quantity, while Shi Ge caverns diameter parallel, with
Just unfavorable formation strike and crustal stress big principal direction of stress are evaded when nuclear island cavity group is arranged.
The content of the invention
It is an object of the invention to provide a kind of technical feasibility, the nuclear island cavity group gallery shape arrangement underground nuclear power of economical rationality
Stand, existing ground nuclear island of nuclear power station building is arranged in subterranean body.
For achieving the above object, the nuclear island cavity group gallery shape arrangement underground nuclear power station designed by the present invention, nuclear island cavern
Group's gallery shape arrangement underground nuclear power station, including the nuclear island that steam is produced using nuclear fission energy, which is characterized in that：The nuclear island
It is arranged in underground hole group, in the underground hole group, the auxiliary cavity group for placing auxiliary plant is contrario arranged in
Reactor building cavern both sides, form gallery structure；Reactor building cavern top rock mass or earth's surface are provided with passive
Pond, the passive pond are connected with reactor building by pipeline, so that under nuclear accident operating mode, cooling water gravity flow enters anti-
Answer heap Factory Building.Wherein, the auxiliary cavity group is included for placing the electrical building cavern of electrical building, for placing fuel factory
The fuel Factory Building cavern in room, the safe Factory Building cavern for arranging safety equipment and the core for placing nuclear auxiliary building are aided in
Factory Building cavern.
Further, the electrical building cavern and fuel Factory Building cavern are located at the both sides of gallery structure opposition respectively.Such as
This, the axis of two gallery shape caverns is parallel to each other, and evades unfavorable formation strike and crustal stress big principal stress when arranging beneficial to hole group
Direction.
Preferably, the nuclear auxiliary building cavern, safe Factory Building cavern and fuel Factory Building cavern be in the same side, and the core
Auxiliary plant cavern, safe Factory Building cavern combine cavern for same with fuel Factory Building cavern, to reduce cavern and working tunnel
Quantity.Wherein, the safe Factory Building cavern has two, standby each other, can so ensure and occur in a safe plant and equipment
In the case of accident, another safe Factory Building can ensure the normal operation of nuclear reactor.In the combination cavern, two safe factories
Room be located at nuclear fuel Factory Building the left and right sides, physically carry out it is mutually isolated, ensure a safe Factory Building there is accident not shadow
Ring the normal operation of another safe Factory Building.The nuclear auxiliary building is located at the leftmost side or the rightmost side of combination cavern.
Further, electrical building and the main steaming for controlling jet chimney folding are provided with the electrical building cavern
Steam valve room.Thus, electrical building can be arranged in same tunnel with the connection cable and main steam line of ground central control room
It is interior, save construction investment.
Further, connection tunnel, the company are provided between the reactor building cavern and the auxiliary cavity group
Connect tunnel and there is traffic, pipeline, cable, fire-fighting and draught effect.So, it is ensured that between each auxiliary plant and reactor building
Pipeline, cable arrangements in relatively independent tunnel, and the staff in each auxiliary plant cavern can not pass through other holes
Room is directly entered reactor building cavern, beneficial to nuclear safety guard zone.
Further, the auxiliary cavity group peripheral disposition has main access tunnel, and each auxiliary plant cavern is provided with
At least two communicating branch holes are connected with main access tunnel, wherein, the sensible earth's surface in the main access tunnel two ends is formed with ground
Two gateways.So, it is ensured that each auxiliary plant cavern is directly connected with main access tunnel, is easy to equipment conveying, it is to avoid
That what is constructed between cavern interferes；Meanwhile, each auxiliary plant cavern has two tunnels to be connected with main access tunnel, main traffic tunnel
The sensible earth's surface in hole two ends, it is ensured that under extreme accident conditions, such as one outlet because accident it is impassable in the case of, personnel
Can be fled from by another outlet in time.
For the pressure in effective control reactor building under major accident, the nuclear island cavity group gallery shape arranges underground
Nuclear power station includes pressure release cavern, and the pressure release cavern is located on the inside of main tunnel, and pressure release cavern only with reactor building cavern phase
It is logical.
The present invention will relate to core building and be arranged in different underground chambers in nuclear power station, so as to form gallery type Underground Tunnels
Room group.Its advantage is mainly reflected in：
(1) by nuclear island each Factory Building is arranged in different underground chambers, the controlling space size of single cavern is existed
Within the scale of built underground chamber, so that it is guaranteed that existing underground cavern excavation technology can meet underground nuclear power station relates to core building
Thing is arranged in the requirement of underground；
(2) the fuel Factory Building in nuclear island, nuclear auxiliary building, safe Factory Building etc. are built in assembled factory building cavern, effectively
The quantity of the main cavern of cavity group is reduced, beneficial to cavity group adjoining rock stability；
(3) cavern's diameter parallel such as assembled factory building cavern, electrical building cavern, evades unfavorable rock stratum when arranging beneficial to hole group
Trend and the big principal direction of stress of crustal stress.
(4) passive pond is arranged in reactor building Mass Near The Top of Underground Cavity, in the case of nuclear accident using potential energy gravity flow can be
Reactor fire-fighting system supplies water.Power system supply discontinuity under accident conditions is avoided, the reactor fire-fighting system failure for being caused.
Description of the drawings
Fig. 1 is the cavern layout structural representation that a kind of nuclear island cavity group gallery shape arranges underground nuclear power station.
Overlooking the structure diagrams of the Fig. 2 for Fig. 1.
Fig. 3 is the plant layout structure schematic diagram that a kind of nuclear island cavity group gallery shape arranges underground nuclear power station.
In figure：Reactor building cavern 1, reactor building 1.1, auxiliary plant cavity group 2, electrical building cavern 3, pressure release
Cavern 4, nuclear auxiliary building cavern 5, safe Factory Building cavern 6, fuel Factory Building cavern 7 combines cavern 8, nuclear auxiliary building 51, safety
Factory Building 61, fuel Factory Building 71, pipeline tunnel 9, equipment conveying tunnel 10, main access tunnel 11, passive pond 12, main steam valve
Room 13, electrical building 14, pipeline 15 connect tunnel 16, communicating branch tunnel 17.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but the embodiment should not be understood
For limitation of the present invention.
The adjustment that core process system is reduced to try one's best, while making the construction scale of underground chamber in current underground chamber
Within construction technology level, it is with anti-by each Factory Building of nuclear island in existing ground nuclear power station that underground nuclear power station builds simplest mode
Radially stretch centered on answering heap Factory Building, each Factory Building is arranged in different small-sized caverns, so as to annular is presented on the whole
The characteristics of arrangement.Thus, reactor building cavern, fuel Factory Building cavern, safe Factory Building cavern, nuclear auxiliary building hole need to be built
6 independent underground chambers such as room, electrical building cavern, connection Factory Building cavern.So in underground hole group excavation, arrangement is needed
Three layers, totally 38 working tunnels, construction interference are big, are unfavorable for cavity group adjoining rock stability.Therefore, it is necessary to underground nuclear island cavern
The arrangement form of group is optimized, to reduce cavern and working tunnel quantity.
In in view of underground cavern excavation, cavern's axis should be made as far as possible with unfavorable formation strike and the big principal stress side of crustal stress
Intersect in wide-angle, be beneficial to Stability of Excavation Surrounding.Therefore, the present invention is to incite somebody to action to the optimum ideals of underground nuclear island cavity group
The electrical building cavern that fuel Factory Building cavern is located with main steam valve chamber is arranged in parallel in two offsides of reactor building cavern, its
Remaining workshop building in the cavern that fuel Factory Building or main steam valve chamber are located, so as to the nuclear island cavity group for forming gallery shape arranges shape
Formula.It is arranged so as to, cavern's quantity is reduced to 4 by 6, working tunnel is reduced to 24 by 38, and each cavern's diameter parallel,
Evade unfavorable formation strike and crustal stress big principal direction of stress when arranging so as to nuclear island cavity group.Concrete arrangement form, following institute
State：
Shown in figure nuclear island cavity group gallery shape arrangement underground nuclear power station, including be arranged on underground for placing response
The reactor building cavern 1 of heap Factory Building 1.1, the auxiliary plant cavity group 2 for placing auxiliary plant, for wrapping under accident conditions
Hold the pressure release cavern 4 of containment vessel inner high voltage gas.Auxiliary plant cavity group includes combining cavern 2 and electrical building cavern
3.Reactor building cavern 1 is located at the middle part of nuclear island cavity group, and auxiliary plant cavity group is positioned opposite in both sides in gallery shape, its
Middle combination cavern 2 is located on the inside of backer, and electrical building cavern 3 is located on the outside of backer, and pressure release cavern 4 is located at combination cavern 2 and electricity
The middle rock mass region of gas Factory Building cavern 3.
In combination cavern 2, as seen from the figure, fuel Factory Building 71 is placed in the middle, and 71 both sides of fuel Factory Building are respectively disposed with safety for each Factory Building
Factory Building 61, in combination cavern 2, the leftmost side is disposed with nuclear auxiliary building 51；Main steam valve chamber 13 is provided with electrical building cavern 3
With electrical building 14.Reactor building cavern 1 be cylindrical shape, diameter 46m, high 87m；Combination cavern 2 be gateway opening shape, size
30m × 70.5m × 226m (wide × high × long, similarly hereinafter)；Electrical building cavern 3 be gateway opening shape, size 30m × 60m × 60m；
To meet pressure release volume requirement, pressure release cavern 4 is cylindrical shape, diameter 20m, high 42m.
To meet the requirement of cavern's crown adjoining rock stability and weapons of system strike, and Jing PLASTIC FINITE ELEMENT ANALYSISs are calculated, reaction
Each Mass Near The Top of Underground Cavity rock mass thickness of heap Factory Building cavern 1 and auxiliary plant cavity group 2 is at least 70m, and this programme selection thickness is
135m；To meet Rock Slide Stability requirement between cavern, Jing PLASTIC FINITE ELEMENT ANALYSISs are calculated, reactor building cavern 1 with combine cavern 2
Spacing L1 is 50m, and reactor building cavern 1 is 50m, reactor building cavern 1 and pressure release hole with 3 spacing L2 of electrical building cavern
4 spacing L3 of room is 60m.
To meet the movement requirement of the main equipment such as steam generator in reactor building 1.1, away from reactor building cavern 1
Bottom 29m eminence construction has equipment conveying tunnel 10, sensible earth's surface；Away from reactor building cavern, 1 bottom 9m eminences build useful
In the pipeline tunnel 9 of arrangement main steam line, main steam line coupled reaction heap Factory Building 1.1 and ground steam turbine Factory Building, and lead
Main steam valve chamber 13 on jet chimney is located in electrical building cavern 3；To meet traffic, fire-fighting, ventilation, cable and pipeline etc.
Require, reactor building cavern 1 is connected by connecting tunnel 16 with cavern 2, electrical building cavern 3, pressure release cavern 4 is combined；For
Meet the requirement such as traffic, fire-fighting, ventilation, at least 2 communicating branch holes 17 and main friendship are built in combination cavern 2, electrical building hole Room 3
Logical tunnel 11 connects, and wherein electrical building is also connected with equipment conveying tunnel 10；The sensible earth's surface in 11 two ends of main access tunnel, with ground
Form two gateways.In combination cavern 2, adjacent Factory Building has shared communicating branch hole 17.
The earth's surface on 1 top of reactor building cavern builds passive pond 12.Passive pond 12 passes through a plurality of pipeline 15
It is connected with reactor building 1.1, so that under nuclear accident operating mode, cooling water gravity flow enters reactor building.
The above is only one embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned enforcement
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.
Claims (8)
1. nuclear island cavity group gallery shape arranges underground nuclear power station, and including the nuclear island that steam is produced using nuclear fission energy, its feature exists
In：The nuclear island is arranged in underground hole group, in the underground hole group, for the reaction of placing response heap Factory Building (1.1)
Heap Factory Building cavern (1) is centrally arranged, and the auxiliary cavity group (2) for placing auxiliary plant is contrario arranged in reactor building hole
Room (1) both sides, form gallery structure；Reactor building cavern (1) the top rock mass or earth's surface are provided with passive pond
(12), the passive pond (12) is connected with reactor building (1.1) by pipeline (15).
2. nuclear island cavity group gallery shape according to claim 1 arranges underground nuclear power station, it is characterised in that：The auxiliary tunnel
Room group (2) is included for placing the electrical building cavern (3) of main steam valve (13) and electrical building (14), for placing fuel factory
The fuel Factory Building cavern (7) in room (71), the safe Factory Building cavern (6) for arranging safety equipment Factory Building (61) and for placing core
The nuclear auxiliary building cavern (5) of auxiliary plant (51).
3. nuclear island cavity group gallery shape according to claim 2 arranges underground nuclear power station, it is characterised in that：The electric factory
Room cavern (3) and fuel Factory Building cavern (7) are respectively positioned at the both sides of gallery structure.
4. nuclear island cavity group gallery shape according to claim 3 arranges underground nuclear power station, it is characterised in that：The core auxiliary
Factory Building cavern (5), safe Factory Building cavern (6) and fuel Factory Building cavern (7) in the same side, the nuclear auxiliary building cavern (5), peace
Cavern (8) is combined for same with fuel Factory Building cavern (7) in full Factory Building cavern (6).
5. nuclear island cavity group gallery shape according to claim 4 arranges underground nuclear power station, it is characterised in that：The combination hole
In room (8), safety equipment Factory Building (61) has two, and respectively positioned at fuel Factory Building (71) both sides, the nuclear auxiliary building (51) is located at
The leftmost side or the rightmost side of combination cavern (8).
6. the nuclear island cavity group gallery shape according to any one of claim 2～5 arranges underground nuclear power station, and its feature exists
In：It is provided between the reactor building cavern (1) and auxiliary cavity group (2) and is connected tunnel (16), the connection tunnel
(16) with traffic, pipeline, cable, fire-fighting and draught effect.
7. according to the nuclear island cavity group gallery shape arrangement underground nuclear power station described in claim 6, it is characterised in that：The auxiliary
Each cavern that cavity group (2) peripheral disposition has main access tunnel (11), auxiliary cavity group (2) is respectively provided with least two traffic
Hole (17) are connected with main access tunnel (11), wherein, the sensible earth's surface in main access tunnel (11) two ends is formed with ground
Two gateways.
8. nuclear island cavity group gallery shape according to claim 7 arranges underground nuclear power station, it is characterised in that：Also include pressure release
Cavern (4), the pressure release cavern (4) are communicated with reactor building cavern (1) on the inside of main access tunnel (11).
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108343449B (en) * | 2018-03-29 | 2020-11-13 | 何满潮 | Structural system for underground neutron energy power station |
| CN110600152B (en) * | 2019-09-06 | 2024-04-12 | 长江勘测规划设计研究有限责任公司 | Symmetrical underground nuclear power emergency escape system and escape method |
| CN111081403B (en) * | 2019-10-09 | 2023-12-22 | 中国核电工程有限公司 | Layout design method for personnel passing factory buildings of nuclear power station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3712851A (en) * | 1968-03-28 | 1973-01-23 | Asea Ab | Nuclear power station |
| US20100303192A1 (en) * | 2007-05-07 | 2010-12-02 | Energies, Large & Alternative S.R.L. | Supersafe and simply- / easily-decommissionable nuclear power plant |
| CN203134395U (en) * | 2013-03-21 | 2013-08-14 | 中广核（北京）仿真技术有限公司 | Underground nuclear power plant |
| CN203966579U (en) * | 2014-06-13 | 2014-11-26 | 长江勘测规划设计研究有限责任公司 | Nuclear island cavity group gallery shape is arranged underground nuclear power station |
-
2014
- 2014-06-13 CN CN201410264277.5A patent/CN104064234B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3712851A (en) * | 1968-03-28 | 1973-01-23 | Asea Ab | Nuclear power station |
| US20100303192A1 (en) * | 2007-05-07 | 2010-12-02 | Energies, Large & Alternative S.R.L. | Supersafe and simply- / easily-decommissionable nuclear power plant |
| CN203134395U (en) * | 2013-03-21 | 2013-08-14 | 中广核（北京）仿真技术有限公司 | Underground nuclear power plant |
| CN203966579U (en) * | 2014-06-13 | 2014-11-26 | 长江勘测规划设计研究有限责任公司 | Nuclear island cavity group gallery shape is arranged underground nuclear power station |
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Inventor after: Zhou Shuda Inventor after: Yang Jiasheng Inventor after: Chen Youhua Inventor after: Liu Lixin Inventor after: Li Qing Inventor after: Sui Haiming Inventor after: Xiao Yunfei Inventor after: Ming Zhedong Inventor after: Shang Cunliang Inventor after: Zhang Tiantian Inventor after: Niu Xinqiang Inventor after: Yang Qigui Inventor after: Lu Youmei Inventor after: Zhang Wenqi Inventor after: Zhao Xin Inventor after: Zhang Feng Inventor after: Shi Huatang Inventor after: Liu Hao Inventor before: Zhou Shuda Inventor before: Chen Youhua Inventor before: Liu Lixin Inventor before: Li Qing Inventor before: Sui Haiming Inventor before: Xiao Yunfei Inventor before: Ming Zhedong Inventor before: Niu Xinqiang Inventor before: Yang Qigui Inventor before: Zhang Wenqi Inventor before: Zhao Xin Inventor before: Zhang Feng Inventor before: Shi Huatang Inventor before: Liu Hao Inventor before: Yang Jiasheng |
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Effective date of registration: 20150302 Address after: 430010 Jiefang Avenue, Hubei, Wuhan, China, No. 1863 Applicant after: Changjiang Survey, Planning, Design and Research Co., Ltd. Applicant after: Nuclear Power Institute of China Applicant after: China Three Gorges Corporation Address before: 430010 Jiefang Avenue, Hubei, Wuhan, China, No. 1863 Applicant before: Changjiang Survey, Planning, Design and Research Co., Ltd. Applicant before: Nuclear Power Institute of China |
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