CN204010710U - Under terrace, bury type underground nuclear power station - Google Patents
Under terrace, bury type underground nuclear power station Download PDFInfo
- Publication number
- CN204010710U CN204010710U CN201420317804.XU CN201420317804U CN204010710U CN 204010710 U CN204010710 U CN 204010710U CN 201420317804 U CN201420317804 U CN 201420317804U CN 204010710 U CN204010710 U CN 204010710U
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- cavern
- power station
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- nuclear power
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- 239000011435 rock Substances 0.000 claims description 24
- 239000003758 nuclear fuel Substances 0.000 claims description 12
- 238000013508 migration Methods 0.000 claims description 11
- 230000005012 migration Effects 0.000 claims description 11
- 238000007596 consolidation process Methods 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000009412 basement excavation Methods 0.000 abstract description 5
- 238000011160 research Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000001816 cooling Methods 0.000 description 7
- 230000032258 transport Effects 0.000 description 6
- 230000002285 radioactive effect Effects 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 206010068516 Encapsulation reaction Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010205 computational analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses and under a kind of terrace, bury type underground nuclear power station, 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 on the terrace platform on massif side slope top, under the relative conventional island of nuclear island cavity group, is embedded in massif.The utility model is applicable to massif side slope outside and easily forms compared with the terrain environment of large platform without suitable platform, side slope top You compare great terrace platform or side slope top hand excavation, for the construction of underground nuclear power station provides a kind of feasible general layout; 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
Technical field
The utility model relates to nuclear power technology, refers to particularly bury under a kind of terrace type underground nuclear power station.
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 purpose of this utility model is to overcome the weak point of above-mentioned existing background technology, and provide a kind of, is applicable to massif side slope top You compare great terrace platform or side slope top hand excavation and easily forms compared with burying type underground nuclear power station under the terrace of the terrain environment of large platform.
In order to overcome the defect existing in background technology, the utility model buries type underground nuclear power station under designed a kind of terrace, 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 on the terrace platform on massif side slope top, under the relative conventional island of described nuclear island cavity group, is embedded in massif.
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 vertical jet chimney tunnel.Jet chimney is connected to ground steam turbine factory building by jet chimney tunnel from reactor building, and jet chimney tunnel is vertical tunnel, and steam transportation energy consumption is little.
In technique scheme, non-active pond is arranged on the terrace platform on side slope top, and described non-active pond is communicated with the reactor building in reactor building cavern by vertical pipe.Non-active pond is arranged on the terrace platform on side slope top, utilizes space difference of elevation, realize non-active water supply, so that chilled water gravity flow enters reactor building under nuclear accident operating mode.
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 utility model is to be arranged in different underground chambers relating to core buildings in nuclear power station, conventional island factory building, the non-active cooling pond of nuclear island are arranged in the terrace platform on side slope top, jet chimney is vertically connected to ground steam turbine factory building by tunnel from reactor building, thereby form under terrace, buries type underground nuclear power station.Its beneficial effect is mainly reflected in:
(1) be in massif side slope outside without platform, top has to be built Large Underground nuclear power station under the hills of suitable slow platform or Mountain Conditions a kind of feasible scheme is provided, engineering economics is better;
(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 terrace, side slope top platform, 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.
Accompanying drawing explanation
Fig. 1 buries the sectional view of type underground nuclear power station under terrace;
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. non-active ponds, A. massif, B. terrace 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 utility model buries type underground nuclear power station under a kind of terrace, 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 B on the terrace platform on massif A side slope top, under the relative conventional island of nuclear island cavity group, be embedded in massif A, as shown in Figure 1.
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.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, steam turbine factory building 11, other factory buildings 12 of conventional island and cooling tower 13 are all arranged on the terrace platform B on side slope top, meeting under the condition of core process system requirement, can be according to physical condition flexible arrangement on the platform B of terrace.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.
Non-active pond 14 is arranged on the terrace platform B on side slope top, and non-active pond 14 is communicated with the reactor building in reactor building cavern 1 by vertical pipe.Non-active pond 14 connects 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'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. under a terrace, bury 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 on the terrace platform on massif (A) side slope top (B), under the relative conventional island of described nuclear island cavity group, is embedded in massif (A).
2. under terrace according to claim 1, bury 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. under terrace according to claim 2, bury 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. under terrace according to claim 2, bury 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. under terrace according to claim 2, bury 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. under terrace according to claim 2, bury type underground nuclear power station, it is characterized in that: described reactor building cavern (1) is communicated with by jet chimney with steam turbine factory building (11), and described jet chimney is positioned at jet chimney tunnel (10).
7. under terrace according to claim 3, bury type underground nuclear power station, it is characterized in that: non-active pond (14) is arranged on the terrace platform (B) on side slope top, described non-active pond (14) is communicated with the reactor building in reactor building cavern (1) by vertical pipe.
8. under terrace according to claim 5, bury 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. under terrace according to claim 6, bury 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. under terrace according to claim 9, bury 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420317804.XU CN204010710U (en) | 2014-06-13 | 2014-06-13 | Under terrace, bury type underground nuclear power station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420317804.XU CN204010710U (en) | 2014-06-13 | 2014-06-13 | Under terrace, bury type underground nuclear power station |
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| CN204010710U true CN204010710U (en) | 2014-12-10 |
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| CN201420317804.XU Expired - Lifetime CN204010710U (en) | 2014-06-13 | 2014-06-13 | Under terrace, bury type underground nuclear power station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051037A (en) * | 2014-06-13 | 2014-09-17 | 长江勘测规划设计研究有限责任公司 | Terrace embedded type underground nuclear power station |
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2014
- 2014-06-13 CN CN201420317804.XU patent/CN204010710U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051037A (en) * | 2014-06-13 | 2014-09-17 | 长江勘测规划设计研究有限责任公司 | Terrace embedded type underground nuclear power station |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |