CN104064235A - Slope type horizontally-buried underground nuclear power station - Google Patents
Slope type horizontally-buried underground nuclear power station Download PDFInfo
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- CN104064235A CN104064235A CN201410264762.2A CN201410264762A CN104064235A CN 104064235 A CN104064235 A CN 104064235A CN 201410264762 A CN201410264762 A CN 201410264762A CN 104064235 A CN104064235 A CN 104064235A
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a slope type horizontally-buried underground nuclear power station which comprises a nuclear island and a conventional island. A nuclear-related building of the nuclear island is arranged in a nuclear island cavity group of a mountain. The conventional island is arranged on a ground platform on the outer side of the mountain. The nuclear island cavity group is horizontally buried in a slope of the mountain relative to the conventional island. The slope type horizontally-buried underground nuclear power station is suitable for a terrain environment where a large ground platform is arranged on the outer side of the slope of the mountain or a terrain environment where a large platform can be formed easily by hand excavation on the outer side of the slope of the mountain; a feasible overall layout is provided for construction of the underground nuclear power station, the engineering economy is good, and the platform on the outer side of the slope is beneficial to construction and arrangement; a main process system does not need large adjustment relative to a ground nuclear power station, so that the technical research and development difficulty of the underground nuclear power station is lowered; since nuclear island plants are arranged in different underground cavities, it can be ensured that the existing underground engineering technology meets the requirement that the nuclear-related building of the nuclear power station is arranged underground.
Description
Technical field
The present invention relates to nuclear power technology, refer to particularly the flat type underground nuclear power station that buries of a kind of slope formula.
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 environments 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 massif side slope outside of being applicable to have hand excavation outside the terrain environment of face platform significantly or massif side slope easily to form compared with the flat type underground nuclear power station that buries of the slope formula of the terrain environment of large platform.
In order to overcome the defect existing in background technology, the flat type underground nuclear power station that buries of a kind of slope formula that the present invention is designed, comprise nuclear island and conventional island, its special character is, described buildings is placed in massif nuclear island cavity group, described island is placed in outside massif in ground surface platform, and the relative conventional island of described nuclear island cavity group is flat to be embedded in massif side slope.
In technique scheme, described nuclear island cavity group comprises for the reactor building cavern of placing response heap factory building, for placing the electrical building cavern of nuclear island electrical control factory building and for placing the assembled factory building cavern of nuclear auxiliary building, nuclear fuel factory building and safe factory building, described assembled factory building the cavern layout is above reactor building cavern, and described electrical building the cavern layout is on the right side of reactor building cavern.Nuclear island reactor building and be with radioactive auxiliary plant to be placed in underground hole group, utilizes the natural screening effect of rock mass, prevents the extensive diffusion of nuclear pollution under extreme accident conditions, improves the security grade of nuclear power station.
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, guarantees 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 that reactor building cavern inside lining structural sheet, hole week are through rock mass layer, seepage proof curtain layer and the internal layer osculum curtain layer of 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 by rock mass underground water, migrating to extraneous biosphere containing the chilled water of radioactive nuclide.
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 ground steam turbine factory building, and the tunnel that jet chimney tunnel is level, makes vapor level transportation, 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, by pipeline, connect non-active pond and reactor building, 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 massif in the outer part, can carry out preferably control and the management of system equipment in reactor building and main steam line.
In technique scheme, between described reactor building cavern, assembled factory building cavern, electrical building cavern, by transport and communications tunnel, be communicated with.Communications and transportation tunnel is realized traffic, transportation, 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.In nuclear fuel factory building both sides, respectively establish a safe factory building, 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 to be arranged in different underground chambers relating to core buildings in nuclear power station, conventional island factory building is mainly arranged in the ground surface platform in side slope outside, jet chimney passes through jet chimney tunnel from reactor building level connection joint to ground steam turbine factory building, in the massif of reactor building top, arrange erecting bed and non-active cooling pond, thereby form the flat type underground nuclear power station that buries of slope formula.Its beneficial effect is mainly reflected in:
(1) for having outside, slope steep on hillside, build Large Underground nuclear power station a kind of feasible scheme is provided under the hills of suitable ground surface platform or Mountain Conditions, engineering economics is better, and platform is conducive to Construction Arrangement outside side slope;
(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 by rock mass underground water, migrating to extraneous biosphere containing the chilled water of radioactive nuclide;
(6) non-active pond is arranged in the erecting bed cavern of top, reactor building cavern massif, can utilize potential energy gravity flow for reactor building water supply in nuclear accident situation.Avoid electric system supply failure under accident conditions, the reactor causing supplies water and lost efficacy.
Accompanying drawing explanation
Fig. 1 is the flat sectional view that buries type underground nuclear power station of slope of the present invention formula;
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 buildings, other factory buildings of 12. conventional islands, 13. cooling towers, 14. erecting bed caverns, A. massif, B. ground surface platform.
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, Fig. 2 and Fig. 3, the flat type underground nuclear power station that buries of a kind of slope of the present invention formula, comprise nuclear island and conventional island, nuclear island relates to core buildings and is placed in massif A nuclear island cavity group, conventional island is placed in outside massif A on ground surface platform B, the relative conventional island of nuclear island cavity group is flat to be embedded in massif A side slope, as shown in Figure 1.
As shown in Figure 2, nuclear island cavity group comprises 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) 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.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 the jet chimney tunnel 10 of steam turbine factory building 11 by level.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.Nuclear island electrical control factory building is independently arranged in electrical building cavern 5, also establishes main steam valve chamber in it.Between each underground chamber, all by transport and communications tunnel 8, be communicated with, transport and communications tunnel 8 is for the fuel transport of nuclear fuel factory building 3 and reactor building cavern 1 and traffic, fire-fighting, the transportation between each cavern.Meeting under the condition of core process system and adjoining rock stability requirement, each cavern except reactor building cavern 1 can be according to actual geologic condition flexible arrangement.
Conventional island factory building group comprises steam turbine factory building 11, other factory buildings 12 of conventional island and cooling tower 13, and steam turbine factory building 11, other factory buildings 12 of conventional island and cooling tower 13 are all arranged on the ground surface platform B in massif A outside.Meeting under the condition of core process system requirement, can be according to physical condition flexible arrangement on ground surface platform B.Steam turbine in steam turbine factory building 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.Condenser is connected and is formed three loops by pipeline with cooling tower 13, to the secondary circuit steam after acting, carries out cooling.
In the 1 top massif A of reactor building cavern, be provided with erecting bed cavern 14, non-active pond is arranged in erecting bed cavern 14.Erecting bed cavern 14 is arranged in 1 top, reactor building cavern, also can be used as construction time reactor building internal unit installation, unloading place.In erecting bed cavern, 14 arrange non-active pond, by pipeline, connect non-active pond and reactor building cavern 1, 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's size should meet housing apparatus and Stability of Excavation Surrounding requirement.Each cavern's 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 that the 1 inside lining structural sheet 9-1 of reactor building cavern, hole week are through rock mass layer 9-2, seepage proof curtain layer 9-3 and the internal layer osculum curtain layer 9-4 of consolidation grouting, and inside lining structural sheet 9-1, rock mass layer 9-2, seepage proof curtain layer 9-3 and the internal layer osculum curtain layer 9-4 of hole week through consolidation grouting from inside to outside arrange successively.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 (10)
1. a slope formula is put down and is buried type underground nuclear power station, comprise nuclear island and conventional island, it is characterized in that: described nuclear island relates to core buildings and is placed in massif (A) nuclear island cavity group, described conventional island is placed in the ground surface platform of massif (A) outside (B), and the relative conventional island of described nuclear island cavity group is flat to be embedded in massif (A) side slope.
2. slope according to claim 1 formula is put down and is buried type underground nuclear power station, it is characterized in that: described nuclear island cavity group comprises for the reactor building cavern (1) of placing response heap factory building, for placing the electrical building cavern (5) of nuclear island electrical control factory building and for placing 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) is arranged in the top of reactor building cavern (1), and described electrical building cavern (5) is arranged in the right side of reactor building cavern (1).
3. slope according to claim 2 formula is flat buries type underground nuclear power station, it is characterized in that: described nuclear island cavity group also comprises the pressure release cavern (7) for reactor building pressure release.
4. slope according to claim 2 formula is flat buries type underground nuclear power station, 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.
5. slope according to claim 2 formula is put down and is buried type underground nuclear power station, 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).
6. slope according to claim 1 and 2 formula is flat buries type underground nuclear power station, it is characterized in that: described reactor building is communicated with by jet chimney with steam turbine factory building (11), and described jet chimney is positioned at the jet chimney tunnel (10) of level.
7. slope according to claim 3 formula is put down and is buried type underground nuclear power station, it is characterized in that: in described reactor building cavern (1) top massif (A), be provided with erecting bed cavern (14), have non-active pond to be arranged in described erecting bed cavern (14).
8. slope according to claim 5 formula is flat buries type underground nuclear power station, it is characterized in that: in described electrical building cavern (5), comprise nuclear island electrical control factory building and main steam valve chamber.
9. slope according to claim 6 formula is flat buries type underground nuclear power station, it is characterized in that: between described reactor building cavern (1), assembled factory building cavern (6), electrical building cavern (5), by transport and communications tunnel (8), be communicated with.
10. slope according to claim 9 formula is put down and is buried type underground nuclear power station, 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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| CN201410264762.2A CN104064235A (en) | 2014-06-13 | 2014-06-13 | Slope type horizontally-buried underground nuclear power station |
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Cited By (5)
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| CN105825905A (en) * | 2016-05-11 | 2016-08-03 | 中国能源建设集团广东省电力设计研究院有限公司 | Large platform arrangement structure for nuclear power station conventional island workshop, and nuclear power station conventional island workshop |
| 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 |
| CN110600152A (en) * | 2019-09-06 | 2019-12-20 | 长江勘测规划设计研究有限责任公司 | Symmetric underground nuclear power emergency escape system and escape method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105825905A (en) * | 2016-05-11 | 2016-08-03 | 中国能源建设集团广东省电力设计研究院有限公司 | Large platform arrangement structure for nuclear power station conventional island workshop, and nuclear power station conventional island workshop |
| 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 |
| CN110600152A (en) * | 2019-09-06 | 2019-12-20 | 长江勘测规划设计研究有限责任公司 | Symmetric underground nuclear power emergency escape system and escape method |
| 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 |
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Application publication date: 20140924 |