CN104064237A - Mountain land fully-buried underground nuclear power station - Google Patents
Mountain land fully-buried underground nuclear power station Download PDFInfo
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- CN104064237A CN104064237A CN201410265302.1A CN201410265302A CN104064237A CN 104064237 A CN104064237 A CN 104064237A CN 201410265302 A CN201410265302 A CN 201410265302A CN 104064237 A CN104064237 A CN 104064237A
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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 mountain land fully-buried underground nuclear power station. The mountain land fully-buried underground nuclear power station comprises a nuclear island and a conventional island. Nuclear buildings of the nuclear island are arranged in a mountain nuclear island cavern group. The conventional island is arranged in a mountain conventional island cavern group. The mountain land fully-buried underground nuclear power station is suitable for terrain environments where no large ground platforms are arranged on precipitous mountains, outer sides of side slopes and the upper portions. Feasible general arrangement is provided for construction of underground nuclear power stations. Engineering has economic feasibility. Compared with a ground nuclear power station, no large adjustment is needed by the main process system, and the technology research and development difficulty of underground nuclear power stations is lowered. By arranging nuclear island plants and conventional island plants in different underground caverns, it can be ensured that the existing underground engineering technology meets the requirement for arranging the nuclear buildings of the nuclear power stations underground.
Description
Technical field
The present invention relates to nuclear power technology, refer to that particularly a kind of mountain region buries type underground nuclear power station entirely.
Background technology
Large scale business nuclear power station is arranged in ground at present, single heap power is generally more than 600MW, and buildings mainly comprises two parts: nuclear island (comprising reactor assembly and a circuit system) and conventional island (comprising steam turbine generator system, cooling tower, other utility appliance etc.).USSR (Union of Soviet Socialist Republics) Chernobyl nuclear accident, U.S. San Li island nuclear accident 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, some scholars propose in large nuclear power station, to relate to core building in underground rock cavern both at home and abroad, utilize the natural screening effect of rock mass, prevent the extensive diffusion of nuclear pollution under extreme accident conditions, improve the security grade of nuclear power station.But excavation underground chamber, is typically chosen in the terrain environment such as mountain area or hills, built environment is larger compared with the difference of ground nuclear power station; And ground nuclear island of nuclear power station and conventional island are near layout, buildings quantity is many, size is large, existing underground space technology is difficult to meet single artificial underground chamber and holds nuclear island owned building, and the general layout of ground nuclear power station can not meet the needs of building underground nuclear power station.Therefore, be necessary the variation according to outside built environment, the general layout of Study of The Underground nuclear power station.
Summary of the invention
The object of the invention is to overcome the weak point of above-mentioned existing background technology, and provide a kind of and be applicable to that massif is steep, side slope outside and top do not have the mountain region of the terrain environment of face platform significantly entirely to bury type underground nuclear power station.
In order to overcome the defect existing in background technology, the present invention buries type underground nuclear power station in designed a kind of mountain region entirely, comprise nuclear island and conventional island, described nuclear island relates to core buildings and is placed in massif nuclear island cavity group, described conventional island is placed in massif conventional island cavity group, its special character is, described nuclear island cavity group comprises the reactor building cavern for placing response heap factory building, for placing the electrical building cavern of nuclear island electrical control factory building and for placing nuclear auxiliary building, the assembled factory building cavern of nuclear fuel factory building and safe factory building, described assembled factory building the cavern layout is above reactor building cavern, described electrical building the cavern layout is on the right side of reactor building cavern, described conventional island cavity group comprises places the steam turbine factory building cavern of steam turbine factory building and the operation service factory building cavern of placing operation service factory building.
In technique scheme, described nuclear island cavity group also comprises the pressure release cavern for reactor building pressure release, the security that can improve reactor building.
In technique scheme, described reactor building cavern is cylindrical shape cavern, and described electrical building cavern and assembled factory building cavern are gateway opening shape cavern, is convenient to the layout of factory building in cavern, ensures cavern's stability and safety simultaneously.
In technique scheme, in the rock mass of described reactor building cavern periphery, be provided with nuclein migration guard system, described nuclein migration guard system comprises reactor building cavern inside lining structural sheet, hole week rock mass layer, seepage proof curtain layer and the internal layer osculum curtain layer through consolidation grouting, and described inside lining structural sheet, hole week from inside to outside arrange successively through rock mass layer, seepage proof curtain layer and the internal layer osculum curtain layer of consolidation grouting; In described nuclear island cavity group periphery rock mass, be provided with peripheral osculum curtain layer.Nuclein migration guard system, can effectively prevent from migrating to extraneous biosphere containing the chilled water of radioactive nuclide by rock mass underground water.
In technique scheme, described reactor building is communicated with by jet chimney with steam turbine factory building, and described jet chimney is positioned at the jet chimney tunnel of level.Jet chimney is by jet chimney tunnel from reactor building level connection joint to steam turbine factory building, and the tunnel that jet chimney tunnel is level, makes vapor level transport, energy consumption minimum.
In technique scheme, in the massif of top, described reactor building cavern, be provided with erecting bed cavern, there is non-active pond to be arranged in described erecting bed cavern.In the non-active pond of erecting bed the cavern layout, connect non-active pond and reactor building by pipeline, utilize space difference of elevation, realize non-active water supply, so that chilled water gravity flow enters reactor building under nuclear accident operating mode.Erecting bed the cavern layout, above reactor building cavern, also can be used as construction time reactor building internal unit installation, unloading place.
In technique scheme, in described electrical building cavern, comprise nuclear island electrical control factory building and main steam valve chamber, be arranged in reactor building cavern main steam line one side, can carry out preferably control and the management of the interior system equipment of reactor building and main steam line.
In technique scheme, between described reactor building cavern, assembled factory building cavern, electrical building cavern, be communicated with by transport and communications tunnel.Communications and transportation tunnel is realized traffic, transport, the fire-fighting between each cavern.
In technique scheme, described assembled factory building cavern center fuel factory building is corresponding with the fuel delivery port position of reactor building cavern, has two safe factory buildings to lay respectively at nuclear fuel factory building both sides.Respectively establish a safe factory building in nuclear fuel factory building both sides, security is higher, and nuclear fuel factory building transports nuclear fuel with the corresponding convenience in fuel delivery port position of reactor building cavern.
Essence of the present invention is that nuclear island factory building, conventional island factory building in nuclear power station are all arranged in different underground chambers, jet chimney by tunnel from reactor building level connection joint to steam turbine factory building, in the massif of reactor building top, arrange erecting bed and non-active cooling pond, the heat radiation of underground nuclear power station " three loops " adopts the pattern of channel or the heat radiation of the large area water surface, entirely buries type underground nuclear power station thereby form mountain region.Its beneficial effect is mainly reflected in:
(1) be steeper on hillside, hillside outside and top are all built Large Underground nuclear power station under the Mountain Conditions without platform a kind of feasible scheme are provided, and engineering has economic feasibility;
(2) main technique system, compared with ground nuclear power station without Important Adjustment, has reduced underground nuclear power station technical research difficulty;
(3), by nuclear island factory building being arranged in different underground chambers, can guarantee that existing underground works technology meets underground nuclear power station and relates to core buildings and be arranged in underground requirement;
(4) the natural screening effect of cavern surrounding rocks, has improved the ability of the disasters such as nuclear power station reply earthquake, tsunami, fly bomb strike, 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 from migrating to extraneous biosphere containing the chilled water of radioactive nuclide by rock mass underground water;
(6) top, reactor building cavern arranges erecting bed cavern, is provided with non-active pond in erecting bed cavern, can utilize potential energy gravity flow for reactor building water supply in nuclear accident situation.Avoid electric system supply failure under accident conditions, the water supply causing was lost efficacy.
Brief description of the drawings
Fig. 1 is the sectional view that type underground nuclear power station is buried in mountain region entirely;
Fig. 2 is the vertical 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 structural sheet, the rock mass layer of 9-2. consolidation grouting, 9-3. seepage proof curtain layer, 9-4. internal layer osculum curtain layer, the peripheral osculum curtain of 9-5. layer, 10. jet chimney tunnel, 11. steam turbine factory building caverns, 12. operation service factory building caverns, 13. erecting bed caverns, A. massif.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail, but this embodiment should not be construed as limitation of the present invention.
With reference to Fig. 1,2 and Fig. 3, the present invention buries type underground nuclear power station in a kind of mountain region entirely, comprises nuclear island and conventional island, and nuclear island relates to core buildings and is placed in massif A nuclear island cavity group, and conventional island is placed in massif A conventional island cavity group.Nuclear island cavity group comprises for the reactor building cavern 1 of placing response heap factory building, for placing electrical building cavern 5 and assembled factory building cavern 6 and the pressure release factory building 7 of nuclear island electrical control factory building; With the visual angle (as shown in Figure 2) of overlooking, assembled factory building cavern 6 is arranged in the top of reactor building cavern 1, and electrical building cavern 5 is arranged in the right side of reactor building cavern 1.Conventional island cavity group comprises places the steam turbine factory building cavern 11 of steam turbine factory building, the operation service factory building cavern 12 of placing operation service factory building, as depicted in figs. 1 and 2.
Reactor building in reactor building cavern 1 mainly comprises the equipment such as reactor, steam generator, cooling medium pump, containment.Reactor building integral arrangement is in underground chamber independently, and Mass Near The Top of Underground Cavity can be established vertical shaft and be connected to erecting bed cavern 14, for construction time reactor building internal unit lifting.Reactor, steam generator, cooling medium pump are connected and are formed a loop by pipeline, as steam supply system.The equipment such as containment encapsulation reaction heap, steam generator, cooling medium pump, as nuclear power station tri-road safety curtains.Reactor building cavern 1 is communicated with by the jet chimney tunnel 10 of level with steam turbine factory building 11.Pressure release cavern 7 is for reactor building pressure release.
Nuclear auxiliary building 2, nuclear fuel factory building 3 and safe factory building 4 are all positioned in the same underground chamber in assembled factory building cavern 6; 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 lay respectively at nuclear fuel factory building 3 both sides.In electrical building cavern 5, comprise nuclear island electrical control factory building and main steam valve chamber, be arranged in a side of reactor building cavern 1 jet chimney.Between each underground chamber, be all communicated with by transport and communications tunnel 8, transport and communications tunnel 8 is for traffic, fire-fighting, transport between fuel transport and each cavern of nuclear fuel factory building 3 and reactor building cavern 1.Meeting under the condition of core process system and adjoining rock stability requirement, the each cavern except reactor building cavern 1 can be according to actual geologic condition flexible arrangement.
Conventional island cavity group comprises places the steam turbine factory building cavern 11 of steam turbine factory building and the operation service factory building cavern 12 of placing operation service factory building.Steam turbine in steam turbine factory building cavern 11 and steam generator are connected and are formed secondary circuit by jet chimney, and high pressure steam pushing turbine rotates, and drive generator generating.
In the 1 top massif A of reactor building cavern, be provided with erecting bed cavern 13, non-active pond is arranged in erecting bed cavern 13.Erecting bed cavern 13 is arranged in 1 top, reactor building cavern, also can be used as construction time reactor building internal unit installation, unloading place.Arrange non-active pond in erecting bed cavern 13, connect non-active pond and reactor building cavern 1 by pipeline, so that chilled 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 cavern.Each cavern size should meet housing apparatus 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, in the rock mass of reactor building cavern 1 periphery, be provided with nuclein migration guard system 9, nuclein migration guard system 9 comprises the 1 inside lining structural sheet 9-1 of reactor building cavern, hole week rock mass layer 9-2, seepage proof curtain layer 9-3 and the internal layer osculum curtain layer 9-4 through consolidation grouting, and inside lining structural sheet 9-1, hole week from inside to outside arrange successively through rock mass layer 9-2, seepage proof curtain layer 9-3 and the internal layer osculum curtain layer 9-4 of consolidation grouting.As shown in Figure 3, in the rock mass of nuclear island cavity group periphery, be provided with peripheral osculum curtain layer 9-5.Nuclein migration guard system 9 prevents that the Groundwater infiltration cavity group in rock mass and the chilled water that stops cavern to include radioactive nuclide from extravasating into rock mass underground water and entering extraneous biosphere.Arrangement form and the parameter of lining thickness, consolidation grouting scope, seepage proof curtain and osculum curtain, determine by computational analysis according to actual geologic condition.Nuclear island cavity group is also included as a series of artificial reinforced measures that ensure that cavern excavation is stable and take, as system anchor bolt, system anchor cable, concrete spray coating etc.
Other unspecified part is prior art.
Claims (9)
1. type underground nuclear power station is buried in a mountain region entirely, comprise nuclear island and conventional island, described nuclear island relates to core buildings and is placed in massif (A) nuclear island cavity group, described conventional island is placed in massif (A) conventional island cavity group, it is characterized in that: described nuclear island cavity group comprises the reactor building cavern (1) for placing response heap factory building, for placing the electrical building cavern (5) of nuclear island electrical control factory building and for placing nuclear auxiliary building (2), the assembled factory building cavern (6) of nuclear fuel factory building (3) and safe factory building (4), described assembled factory building cavern (6) is arranged in the top of reactor building cavern (1), described electrical building cavern (5) is arranged in the right side of reactor building cavern (1), described conventional island cavity group comprises places the steam turbine factory building cavern (11) of steam turbine factory building and the operation service factory building cavern (12) of placing operation service factory building.
2. type underground nuclear power station is buried in mountain region according to claim 1 entirely, it is characterized in that: described nuclear island cavity group also comprises the pressure release cavern (7) for reactor building pressure release.
3. type underground nuclear power station is buried in mountain region according to claim 2 entirely, it is characterized in that: described reactor building cavern (1) is cylindrical shape cavern, and described electrical building cavern (5) and assembled factory building cavern (6) are gateway opening shape cavern.
4. type underground nuclear power station is buried in mountain region according to claim 2 entirely, it is characterized in that: in the rock mass of described reactor building cavern (1) periphery, be provided with nuclein migration guard system (9), described nuclein migration guard system (9) comprises reactor building cavern (1) inside lining structural sheet (9-1), hole week is through the rock mass layer (9-2) of consolidation grouting, seepage proof curtain layer (9-3) and internal layer osculum curtain layer (9-4), described inside lining structural sheet (9-1), hole week is through the rock mass layer (9-2) of consolidation grouting, seepage proof curtain layer (9-3) and internal layer osculum curtain layer (9-4) are from inside to outside arranged successively, in described nuclear island cavity group periphery rock mass, be provided with peripheral osculum curtain layer (9-5).
5. type underground nuclear power station is buried in mountain region according to claim 1 and 2 entirely, it is characterized in that: described reactor building is communicated with by jet chimney with steam turbine factory building (11), described jet chimney is positioned at the jet chimney tunnel (10) of level.
6. type underground nuclear power station is buried in mountain region according to claim 3 entirely, it is characterized in that: in described reactor building cavern (1) top massif (A), be provided with erecting bed cavern (13), have non-active pond to be arranged in described erecting bed cavern (13).
7. type underground nuclear power station is buried in mountain region according to claim 4 entirely, it is characterized in that: in described electrical building cavern (5), comprise nuclear island electrical control factory building and main steam valve chamber.
8. type underground nuclear power station is buried in mountain region according to claim 5 entirely, it is characterized in that: between described reactor building cavern (1), assembled factory building cavern (6), electrical building cavern (5), be communicated with by transport and communications tunnel (8).
9. type underground nuclear power station is buried in mountain region according to claim 8 entirely, it is characterized 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) having two safe factory buildings (4) to lay respectively at nuclear fuel factory building (3) both sides.
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| CN201410265302.1A CN104064237A (en) | 2014-06-13 | 2014-06-13 | Mountain land fully-buried underground nuclear power station |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105427910A (en) * | 2015-12-28 | 2016-03-23 | 中国核动力研究设计院 | Integrated cooling water source system based on mountain deep embedded nuclear power station |
| CN106340330A (en) * | 2016-08-31 | 2017-01-18 | 长江勘测规划设计研究有限责任公司 | Step type layout design method for underground nuclear power station main workshop group |
| CN106373626A (en) * | 2016-08-31 | 2017-02-01 | 长江勘测规划设计研究有限责任公司 | Underground nuclear power station main power house buried arrangement design method |
| CN106531265A (en) * | 2016-10-27 | 2017-03-22 | 长江勘测规划设计研究有限责任公司 | Underground nuclear power plant main building group fully-buried arrangement design method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427910A (en) * | 2015-12-28 | 2016-03-23 | 中国核动力研究设计院 | Integrated cooling water source system based on mountain deep embedded nuclear power station |
| CN105427910B (en) * | 2015-12-28 | 2018-07-06 | 中国核动力研究设计院 | A kind of integrated cooling water source system based on massif deep embeded type nuclear power station |
| CN106340330A (en) * | 2016-08-31 | 2017-01-18 | 长江勘测规划设计研究有限责任公司 | Step type layout design method for underground nuclear power station main workshop group |
| CN106373626A (en) * | 2016-08-31 | 2017-02-01 | 长江勘测规划设计研究有限责任公司 | Underground nuclear power station main power house buried arrangement design method |
| 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 |
| CN106531265A (en) * | 2016-10-27 | 2017-03-22 | 长江勘测规划设计研究有限责任公司 | Underground nuclear power plant main building group fully-buried arrangement 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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Application publication date: 20140924 |