CN203966581U - The flat type underground nuclear power station that buries of slope formula - Google Patents

The flat type underground nuclear power station that buries of slope formula Download PDF

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Publication number
CN203966581U
CN203966581U CN201420315869.0U CN201420315869U CN203966581U CN 203966581 U CN203966581 U CN 203966581U CN 201420315869 U CN201420315869 U CN 201420315869U CN 203966581 U CN203966581 U CN 203966581U
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China
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cavern
power station
nuclear
building
nuclear power
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CN201420315869.0U
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Chinese (zh)
Inventor
钮新强
吴永锋
周述达
赵鑫
韩前龙
张志国
邵年
张国强
杨家胜
朱宜飞
张文其
李翔
马兴均
明哲东
黄学孔
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Nuclear Power Institute of China
Changjiang Institute of Survey Planning Design and Research Co Ltd
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Nuclear Power Institute of China
Changjiang Institute of Survey Planning Design and Research Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin

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Abstract

The utility model discloses the flat type underground nuclear power station that buries of a kind of slope formula, comprise nuclear island and conventional island, nuclear island relates to core buildings and is placed in massif nuclear island cavity group, and conventional island is placed in outside massif in ground surface platform, and the relative conventional island of nuclear island cavity group is flat to be embedded in massif side slope.The utility model is applicable to massif side slope outside has hand excavation outside the terrain environment of face platform significantly or massif side slope easily to form compared with the terrain environment of large platform, for the construction of underground nuclear power station provides a kind of feasible general layout, engineering economics is better, and platform is conducive to Construction Arrangement outside side slope; Main technique system without Important Adjustment, has reduced underground nuclear power station technical research difficulty compared with ground nuclear power station; By nuclear island factory building being arranged in different underground chambers, can guarantee that existing underground works technology meets nuclear power station and relates to core buildings and be arranged in underground requirement.

Description

The flat type underground nuclear power station that buries of slope formula
Technical field
The utility model relates to nuclear power technology, refers 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 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 purpose of this utility model is to overcome the weak point of above-mentioned existing background technology, and provides 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 utility model is designed, comprise nuclear island and conventional island, its special character is, described nuclear island relates to core buildings and is placed in massif nuclear island cavity group, described conventional 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, 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 ground 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 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, 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 utility model 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) under the hills of suitable ground surface platform or Mountain Conditions, build Large Underground nuclear power station a kind of feasible scheme is provided for having outside, slope steep on hillside, 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 migrating to extraneous biosphere containing the chilled water of radioactive nuclide by rock mass underground water;
(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.
Brief description of the drawings
Fig. 1 is the flat sectional view that buries type underground nuclear power station of the utility model slope 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 utility model is described in further detail, but this embodiment should not be construed as restriction of the present utility model.
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 utility model 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 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.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, 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 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, carries out cooling to the secondary circuit steam after acting.
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.Arrange non-active pond in erecting bed cavern 14, 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 (10)

1. the flat type underground nuclear power station that buries of slope formula, 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. the flat type underground nuclear power station that buries of slope according to claim 1 formula, 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).
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. the flat type underground nuclear power station that buries of slope according to claim 2 formula, 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. the flat type underground nuclear power station that buries of slope according to claim 2 formula, 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. the flat type underground nuclear power station that buries of slope according to claim 1 and 2 formula, 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.
7. the flat type underground nuclear power station that buries of slope according to claim 3 formula, 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), be communicated with by transport and communications tunnel (8).
10. the flat type underground nuclear power station that buries of slope according to claim 9 formula, 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.
CN201420315869.0U 2014-06-13 2014-06-13 The flat type underground nuclear power station that buries of slope formula Expired - Lifetime CN203966581U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104064235A (en) * 2014-06-13 2014-09-24 长江勘测规划设计研究有限责任公司 Slope type horizontally-buried underground nuclear power station
CN104505133A (en) * 2014-12-24 2015-04-08 长江勘测规划设计研究有限责任公司 Airborne radioactive anti-diffusion system for underground nuclear power station
CN106128534A (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 with low and intermediate level radioac disposal site
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104064235A (en) * 2014-06-13 2014-09-24 长江勘测规划设计研究有限责任公司 Slope type horizontally-buried underground nuclear power station
CN104505133A (en) * 2014-12-24 2015-04-08 长江勘测规划设计研究有限责任公司 Airborne radioactive anti-diffusion system for underground nuclear power station
CN106128534A (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 with low and intermediate level radioac disposal site
CN106128534B (en) * 2016-08-10 2018-09-14 长江勘测规划设计研究有限责任公司 A kind of underground nuclear power station with low and intermediate level radioac disposal site
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
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

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Granted publication date: 20141126