CN105059489A - Constantly stable offshore nuclear power platform - Google Patents
Constantly stable offshore nuclear power platform Download PDFInfo
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- CN105059489A CN105059489A CN201510416171.7A CN201510416171A CN105059489A CN 105059489 A CN105059489 A CN 105059489A CN 201510416171 A CN201510416171 A CN 201510416171A CN 105059489 A CN105059489 A CN 105059489A
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Abstract
The invention relates to a constantly stable offshore nuclear power platform. A permanent ballast tank is arranged at the bottom of the nuclear power platform; after the nuclear power platform is in position, a solid ballast poured into the permanent ballast tank ensures that the center of gravity of the nuclear power platform is positioned below the center of buoyancy; the upper part of the permanent ballast tank is connected with the bottom of a buoyancy tank through a truss and an inclined strut, the periphery at the upper part of the buoyancy tank is connected with the bottom of a deck through a plurality of upright posts, and the upright posts are used as a main support structure and a stability keeping structure of the nuclear power platform; a cylindrical nuclear island cabin is arranged between the middle of the top of the buoyancy tank and the deck, the upper end of the nuclear island cabin penetrates through the deck, and a nuclear island cabin hatch cover and an anti-collision protection structure are arranged on the deck; the nuclear island cabin contains a nuclear island plant comprising a small nuclear reactor containment and internal circuit facilities; after the nuclear power platform is in position, the height of the sea level is larger than the immersion height of the nuclear reactor containment. The constantly stable offshore nuclear power platform provided by the invention has the advantages of constant stability, good safety, simple structure and low construction cost, and can provide stable, reliable and clean energy sources for offshore oil-gas field development as well as island and shore users.
Description
Technical field
The present invention relates to a kind of marine nuclear power platform, particularly about the marine nuclear power platform of a kind of constant be applicable in field of ocean engineering.
Background technology
Marine nuclear power station can be used for neighbouring sea or land customer power supply, heat supply, also can desalinize seawater, for the remote districts of conventional coal or petroleum gas fuel transport difficulty, and all there is away from the island of land electrical network, marine engineering facility the application potential of block supply, heat supply, water supply.Especially can produce for off-shore oil field and sufficient, stable clean energy resource supply is provided, effectively can solve the needs of problems of the Oilfield Group of those power shortages, even because saving fuel oil or jet dynamic control and fuel storage device, decreasing the discharge of conventional fuel oil or fuel gas generation mode, thus may affect or change the mentality of designing of following offshore oil and gas field Development Engineering pattern and correlation engineering facility.Marine nuclear power station once used on atomic submarine, icebreaker, also once doing trial in land transmitting electric power, had a extensive future.
The South Sea be China's deep water hydrocarbon development of resources key area, be simultaneously also the main growth region of offshore oil and gas output.Along with the increase of development of the field activity, to electricity, hot demand increases sharply, and traditional fuel oil or fuel gas generation mode are along with the increase of offshore distance, and its fuel make up Cost Problems is day by day remarkable.Marine nuclear power station is the effective measures solved the problem.Marine nuclear power platform generally needs to carry out atomic fuel replacing after the several years, to reload mode except platform returns to base, bank, and technical personnel also reloads at consideration sea mode, and the reload motion amplitude of requirement nuclear power platform self of sea is restricted.Therefore, a kind of good stability, platform carrier that motion amplitude is little is needed to seek.
Summary of the invention
For the problems referred to above, the object of this invention is to provide the marine nuclear power platform of a kind of constant, this platform can provide personnel's living condition, realize permanent stability, there is sufficient freeboard depth, less motion amplitude, and by the cable that is laid on seabed and pipeline to neighbouring sea or land customer power supply, heat supply.
For achieving the above object, the present invention takes following technical scheme: the marine nuclear power platform of a kind of constant, is characterized in that: described nuclear power platform comprises permanent ballast tank, truss, diagonal brace, buoyancy tank, column, deck, nuclear island cabin and nuclear island cabin hatch cover and preventing collision protection structure; Described nuclear power mesa base is provided with described permanent ballast tank, at the solid ballast thing that described permanent ballast tank inside pours into after described nuclear power platform is in place, makes described nuclear power platform center of gravity be positioned at below centre of buoyancy; Described permanent ballast tank top is connected with bottom described buoyancy tank with diagonal brace by described truss, described buoyancy tank top peripheral region is connected with bottom described deck by some described columns, by described column as the main support structure of described nuclear power platform and stability holding structure; Be provided with columniform described nuclear island cabin between described buoyancy tank crown center and described deck, through described deck, upper end, described nuclear island cabin, and on described deck, be provided with described nuclear island cabin hatch cover and preventing collision protection structure; Described nuclear island volume of compartment receives the nuclear island factory building comprising small cores reactor containment and home loop facility, and described nuclear power platform rear sea level in place is higher than nuclear reactor safety shell submergence height.
Install nuclear station generating set and auxiliary facility in middle level, described deck, described deck the superiors circumference is also respectively arranged with windlass, loop wheel machine, life building and helicopter deck; Be connected with seabed by catenary suspension type continuous vulcanization or tension type anchor hawser after described nuclear power stage+module is in place, and regulate described anchor hawser tension force by described windlass.
Described truss depth is determined according to the designing requirement of described nuclear power platform rocking tendency.
Described buoyancy tank adopts rectangular cross section structure, and described buoyancy tank inside is also provided with adjustable ballasting system
Described column inside is also provided with subdivision for storing fresh water, and arranges double bulkhead near waterline, arranges personnel's material channel on straight-through described deck in described column simultaneously.
Also be provided with cable and flexible pipe inside described column, described cable is connected with pipeline with the cable being laid on seabed with the end of flexible pipe.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, nuclear power platform of the present invention is as the sea floating mobile carrier of Small nuclear power plant, the weight such as support core facility, generating set and ancillary system, structure, consumable store, ballast, variable load, synergic system; Personnel are provided living condition; Nuclear power platform makes platform center of gravity be positioned at below centre of buoyancy by the Fixed Ballast weight adjusting bottom, thus realizes permanent stability; Located by anchor hawser mooring during operation, there is sufficient freeboard depth, less motion amplitude; By being laid on the cable in seabed and pipeline to neighbouring sea or land customer power supply, heat supply.2, nuclear power platform provided by the invention is because being provided with permanent ballast tank in bottom, make no matter nuclear power platform center of gravity is installation process, under working condition, storm is under depositing operating mode or even be positioned at below centre of buoyancy all the time when mooring system lost efficacy, thus ensureing that platform has permanent stability, safety is high.3, nuclear island cabin of the present invention can guarantee that after nuclear power platform is in place sea level is higher than submergence height needed for nuclear island cabin, thus using the ultimate heat sink of seawater as nuclear island accident condition, safety is high.4, column of the present invention is arranged in around nuclear island cabin, can serve as extra passive protection, improves the safety of platform.5, truss depth of the present invention can design as required, thus increases extra countermoment when platform run-off the straight, can effectively reduce platform rocking tendency, can meet sea and reload to the restriction requirement of platform displacement amplitude.6, nuclear power platform provided by the invention drinking water is adjustable, can meet platform and certainly install needs from towing condition to position.7, nuclear power platform provided by the invention adopts pole structure, and its form is simple, construction is convenient, construction costs is low.The present invention can extensively apply in field of ocean engineering.
Accompanying drawing explanation
Fig. 1 is integral structure schematic diagram of the present invention;
Fig. 2 is the lateral plan of Fig. 1;
Fig. 3 is the birds-eye view of Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in FIG. 1 to 3; the invention provides the marine nuclear power platform of a kind of constant, it comprises permanent ballast tank 1, truss 2, diagonal brace 3, buoyancy tank 4, column 5, deck 6, nuclear island cabin 7, nuclear island cabin hatch cover and preventing collision protection structure 8, windlass 9, loop wheel machine 10, life building 11, helicopter deck 12 and anchor hawser 13.
This nuclear power mesa base is provided with permanent ballast tank 1, the larger solid ballast thing of proportion is poured in permanent ballast tank 1 inside after nuclear power platform is in place, to make nuclear power platform center of gravity be positioned at below centre of buoyancy, simultaneously for nuclear power platform provides extra countermoment to reduce the motion inclination angle of platform.Permanent ballast tank 1 top is connected with bottom buoyancy tank 4 with diagonal brace 3 by truss 2, and buoyancy tank 4 top peripheral region passes through some columns 5 and is connected with bottom deck 6, by column 5 as the main support structure of nuclear power platform and stability holding structure.Column 5 inside is also provided with subdivision for liquid consumables such as storing fresh water, emergency dynamo fuel oils, and near waterline, arrange double bulkhead, arranges personnel's material channel on straight-through deck 6 in column 5 simultaneously.Be provided with columniform nuclear island cabin 7 between buoyancy tank 4 crown center and deck 6, through deck 6, upper end, nuclear island cabin 7, and on deck 6, be provided with nuclear island cabin hatch cover and preventing collision protection structure 8; Nuclear island cabin 7 holds the nuclear island factory building comprising small cores reactor containment and home loop facility, and as extra protective barrier, nuclear power platform rear sea level in place higher than nuclear reactor safety shell submergence height, thus using the ultimate heat sink of seawater as nuclear island accident condition.Install nuclear station generating set and auxiliary facility in middle level, deck 6, deck 6 the superiors circumference is also respectively arranged with windlass 9, loop wheel machine 10, life building 11 and helicopter deck 12; Be connected with seabed by catenary suspension type continuous vulcanization or tension type anchor hawser 13 after nuclear power stage+module is in place, and regulate anchor hawser 13 tension force to realize the location of certain precision by windlass 9; Supplies are carried out transport by loop wheel machine 10 or midget plant on mobile nuclear power platform.
In above-described embodiment, truss 2 and diagonal brace 3 are the carrying structures being connected buoyancy tank 4 and permanent ballast tank 1, and truss 2 height is determined according to the designing requirement of nuclear power platform rocking tendency.
In the various embodiments described above, buoyancy tank 4 adopts rectangular cross section structure, for nuclear power platform provides main buoyancy, the displacement of abundance can be provided under the towing condition that only buoyancy tank 4 absorbs water to support the erection weight of whole nuclear power platform.Buoyancy tank 4 inside can also arrange adjustable ballasting system, by the angle of statical inclination regulating ballasting system can adjust drinking water in nuclear power stage+module process and balance nuclear power platform, can be absorbed water by towing condition and sink to operating condition that column 5 absorbs water gradually thus realize from installing.
In the various embodiments described above, be also provided with cable and flexible pipe inside column 5, cable is connected with pipeline with the cable being laid on seabed with the end of flexible pipe, by the cable inside column 5 and flexible pipe to neighbouring sea or land customer power supply, heat supply.
The various embodiments described above are only for illustration of the present invention; the structure of each parts, size, setting position and shape all can change to some extent; on the basis of technical solution of the present invention; all improvement of carrying out individual part according to the principle of the invention and equivalents, all should not get rid of outside protection scope of the present invention.
Claims (10)
1. the marine nuclear power platform of constant, is characterized in that: described nuclear power platform comprises permanent ballast tank, truss, diagonal brace, buoyancy tank, column, deck, nuclear island cabin and nuclear island cabin hatch cover and preventing collision protection structure;
Described nuclear power mesa base is provided with described permanent ballast tank, at the solid ballast thing that described permanent ballast tank inside pours into after described nuclear power platform is in place, makes described nuclear power platform center of gravity be positioned at below centre of buoyancy; Described permanent ballast tank top is connected with bottom described buoyancy tank with diagonal brace by described truss, described buoyancy tank top peripheral region is connected with bottom described deck by some described columns, by described column as the main support structure of described nuclear power platform and stability holding structure; Be provided with columniform described nuclear island cabin between described buoyancy tank crown center and described deck, through described deck, upper end, described nuclear island cabin, and on described deck, be provided with described nuclear island cabin hatch cover and preventing collision protection structure; Described nuclear island volume of compartment receives the nuclear island factory building comprising small cores reactor containment and home loop facility, and described nuclear power platform rear sea level in place is higher than nuclear reactor safety shell submergence height.
2. the marine nuclear power platform of a kind of constant as claimed in claim 1, is characterized in that: install nuclear station generating set and auxiliary facility in middle level, described deck, described deck the superiors circumference is also respectively arranged with windlass, loop wheel machine, life building and helicopter deck; Be connected with seabed by catenary suspension type continuous vulcanization or tension type anchor hawser after described nuclear power stage+module is in place, and regulate described anchor hawser tension force by described windlass.
3. the marine nuclear power platform of a kind of constant as claimed in claim 1, is characterized in that: described truss depth is determined according to the designing requirement of described nuclear power platform rocking tendency.
4. the marine nuclear power platform of a kind of constant as claimed in claim 2, is characterized in that: described truss depth is determined according to the designing requirement of described nuclear power platform rocking tendency.
5. the marine nuclear power platform of a kind of constant as described in any one of Claims 1 to 4, is characterized in that: described buoyancy tank adopts rectangular cross section structure, and described buoyancy tank inside is also provided with adjustable ballasting system.
6. the marine nuclear power platform of a kind of constant as described in any one of Claims 1 to 4, it is characterized in that: described column inside is also provided with subdivision for storing fresh water, and double bulkhead is set near waterline, personnel's material channel on straight-through described deck is set simultaneously in described column.
7. the marine nuclear power platform of a kind of constant as claimed in claim 5, it is characterized in that: described column inside is also provided with subdivision for storing fresh water, and double bulkhead is set near waterline, personnel's material channel on straight-through described deck is set simultaneously in described column.
8. the marine nuclear power platform of a kind of constant as described in Claims 1 to 4,7 any one, it is characterized in that: be also provided with cable and flexible pipe inside described column, described cable is connected with pipeline with the cable being laid on seabed with the end of flexible pipe.
9. the marine nuclear power platform of a kind of constant as claimed in claim 5, it is characterized in that: be also provided with cable and flexible pipe inside described column, described cable is connected with pipeline with the cable being laid on seabed with the end of flexible pipe.
10. the marine nuclear power platform of a kind of constant as claimed in claim 6, it is characterized in that: be also provided with cable and flexible pipe inside described column, described cable is connected with pipeline with the cable being laid on seabed with the end of flexible pipe.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105501404A (en) * | 2015-12-21 | 2016-04-20 | 中远船务工程集团有限公司 | Oversea floating type nuclear power generating device of polygonal structure |
| CN106542058A (en) * | 2016-12-27 | 2017-03-29 | 中国船舶工业集团公司第七0八研究所 | A kind of nuclear energy power generation ocean platform of single column form |
| CN106741697A (en) * | 2017-01-06 | 2017-05-31 | 上海利策科技股份有限公司 | A kind of semisubmersible platform |
| CN106926989A (en) * | 2017-04-19 | 2017-07-07 | 合肥学院 | A kind of combined simple ocean platform and its construction method |
| CN107610798A (en) * | 2017-09-30 | 2018-01-19 | 中国船舶重工集团公司第七〇九研究所 | Prize cup type floating nuclear power plant for marine nuclear energy power generation |
| CN108529443A (en) * | 2018-03-16 | 2018-09-14 | 中广核研究院有限公司 | A kind of control zone equipment handling apparatus, handling method and corresponding marine nuclear power platform |
| CN109341009A (en) * | 2018-09-18 | 2019-02-15 | 中国船舶重工集团公司第七〇九研究所 | A kind of air-conditioning system of ocean nuclear power platform safety shell |
| CN109703711A (en) * | 2018-12-19 | 2019-05-03 | 中国海洋石油集团有限公司 | A kind of unattended marine nuclear power platform |
| CN113423891A (en) * | 2018-09-25 | 2021-09-21 | 卡斯淘Msc有限公司 | Method for stabilizing jack-up platform unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105501404A (en) * | 2015-12-21 | 2016-04-20 | 中远船务工程集团有限公司 | Oversea floating type nuclear power generating device of polygonal structure |
| CN106542058A (en) * | 2016-12-27 | 2017-03-29 | 中国船舶工业集团公司第七0八研究所 | A kind of nuclear energy power generation ocean platform of single column form |
| CN106741697A (en) * | 2017-01-06 | 2017-05-31 | 上海利策科技股份有限公司 | A kind of semisubmersible platform |
| CN106926989B (en) * | 2017-04-19 | 2018-10-16 | 合肥学院 | A kind of combined simple ocean platform and its construction method |
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| CN107610798A (en) * | 2017-09-30 | 2018-01-19 | 中国船舶重工集团公司第七〇九研究所 | Prize cup type floating nuclear power plant for marine nuclear energy power generation |
| CN107610798B (en) * | 2017-09-30 | 2023-11-03 | 中国船舶重工集团公司第七一九研究所 | Trophy type floating nuclear power station for offshore nuclear power generation |
| CN108529443A (en) * | 2018-03-16 | 2018-09-14 | 中广核研究院有限公司 | A kind of control zone equipment handling apparatus, handling method and corresponding marine nuclear power platform |
| CN108529443B (en) * | 2018-03-16 | 2022-04-29 | 中广核研究院有限公司 | Lifting method for equipment in nuclear reactor control area |
| CN109341009A (en) * | 2018-09-18 | 2019-02-15 | 中国船舶重工集团公司第七〇九研究所 | A kind of air-conditioning system of ocean nuclear power platform safety shell |
| CN113423891A (en) * | 2018-09-25 | 2021-09-21 | 卡斯淘Msc有限公司 | Method for stabilizing jack-up platform unit |
| CN113423891B (en) * | 2018-09-25 | 2023-07-18 | 卡斯淘Msc有限公司 | Method for stabilizing a jack-up platform unit |
| CN109703711A (en) * | 2018-12-19 | 2019-05-03 | 中国海洋石油集团有限公司 | A kind of unattended marine nuclear power platform |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |