CN104960637A - Offshore nuclear power platform for shallow ice sea regions - Google Patents
Offshore nuclear power platform for shallow ice sea regions Download PDFInfo
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- CN104960637A CN104960637A CN201510415414.5A CN201510415414A CN104960637A CN 104960637 A CN104960637 A CN 104960637A CN 201510415414 A CN201510415414 A CN 201510415414A CN 104960637 A CN104960637 A CN 104960637A
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Abstract
The invention relates to an offshore nuclear power platform for shallow ice sea regions. The offshore nuclear power platform is provided with more than three suction pile foundations, wherein one end of each suction pile foundation is connected with a seabed; the other end of each suction pile foundation is connected with the bottom of a cylindrical buoyancy tank, and each suction pile foundation can be separated from the cylindrical buoyancy tank; the top periphery of the cylindrical buoyancy tank is connected with the bottom of a platform deck through more than three stand columns; a cylindrical nuclear island chamber is arranged between the middle of the top of the cylindrical buoyancy tank and the platform deck; the upper end of the cylindrical nuclear island chamber is communicated with the platform deck, and a nuclear island chamber cap and an anti-collision protection structure are arranged on the platform deck; after the nuclear power platform is positioned, the sea level needs to be higher than the height of sea submerging the nuclear island chamber. The offshore nuclear power platform disclosed by the invention is high in safety and simple in structure; the platform construction has no special requirements; for transit, dry transport of barges can be adopted, and wet transport in the state that the platform floats can also be adopted; the mounting and positioning procedures are simple, and the construction cost is low; the offshore nuclear power platform can provide stable, reliable and clean energy sources for the development of offshore oil and gas fields in the shallow ice sea regions, and users on islands and seashores.
Description
Technical field
The present invention relates to a kind of marine nuclear power platform, particularly about a kind of marine nuclear power platform for marine site, shallow water ice formation 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, marine engineering facility, offshore oil field development etc. of land electrical network 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.
Bohai Sea and north Yellow Sea is the important marine site of China's exploitation of offshore oil and gas.Along with the increase of development of the field activity, electricity, hot demand are increased sharply, and the fuel oil that tradition adopts or fuel gas generation mode are limited by fuel supply problem.Marine nuclear power station is the potential effective measures solved the problem.
Bohai Sea and north Yellow Sea has unique environmental conditions, has sea ice to occur annual winter here, constitutes a serious threat to marine engineering facility.Therefore, set up the marine nuclear power station of long-term power supply heat supply in this marine site, need special consideration sea ice factor.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of marine nuclear power platform for marine site, shallow water ice formation, this platform as the floating 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; There is sufficient stability, air gap, good exercise performance; Seabed is fixed on by suction pile basis; By being laid on the cable in seabed and pipeline to neighbouring sea or land customer power supply, heat supply; Be equipped with interim anchoring equipment and anchor hawser in order to berth temporarily; There is the ability of opposing ice load.
For achieving the above object, the present invention takes following technical scheme: a kind of marine nuclear power platform for marine site, shallow water ice formation, is characterized in that: described nuclear power platform comprises suction pile basis, cylindrical shape buoyancy tank, column, platform deck, nuclear island cabin and nuclear island cabin hatch cover and preventing collision protection structure; Described nuclear power platform is provided with the described suction pile basis of more than three, and described in each, one end, suction pile basis is all connected with seabed, and the other end all with bottom described cylindrical shape buoyancy tank is connected, and can free between described suction pile basis and described cylindrical shape buoyancy tank; Described cylindrical shape buoyancy tank top perimeter place is connected with bottom described platform deck by the described column of more than three; The described nuclear island cabin of cylindrical structural is provided with between described cylindrical shape buoyancy tank crown center and described platform deck; the through described platform deck in upper end, described nuclear island cabin; and on described platform deck, be provided with described nuclear island cabin hatch cover and preventing collision protection structure, submergence height needed for described nuclear island cabin is higher than on nuclear power platform rear sea level in place.
Described platform deck top is also respectively arranged with life building, interim anchoring equipment, fire-extinguishing and lifesaving facility, loop wheel machine, helicopter deck and generating set and ancillary system room, located in towage or installation process by described interim anchoring equipment temporarily, supplies are carried out transport by described loop wheel machine or midget plant on mobile nuclear power platform.
Described column inside is also provided with the subdivision in order to storing fresh water, emergency dynamo fuel oil.
The magnitude setting of described column is identical with the magnitude setting on described suction pile basis, and the dead in line on the axis of described column and described suction pile basis.
With described platform deck connection location place, each described post end circumference is also all provided with ice resistant structure, described ice resistant structure is combined by right circular cone and reverse taper and forms, and the height of described ice resistant structure should be greater than the diff-H between the highest tide level in described nuclear power platform operations marine site and lowest low water level.
Also ballast tank is provided with in described cylindrical shape buoyancy tank, the height of described cylindrical shape buoyancy tank should be less than the sluice threshold value of building shipyard, light weight, consumable store loaded weight, ballast water weight sum when its height should make described cylindrical shape buoyancy tank total displacement be greater than the towage of nuclear power platform.
Bottom described cylindrical shape buoyancy tank or side is provided with for externally carrying the submerged pipeline of hot water or steam and the cable for externally transmitting electric power; Described submerged pipeline adopts steel pipe or flexible pipe, and its shape adopts the J-shaped being transitted directly to horizontal pipe by vertical pipe, or is transitioned into the S shape of horizontal pipe again through some fluctuatings.
Described platform deck adopts rectangular configuration or circular configuration, forms basic carrying structure by the beam be criss-cross arranged, and top covers steel plate as deck plane.
The height in described nuclear island cabin is set to more than 10 meters.
The present invention is owing to taking above technical scheme, and it has the following advantages: 1, the present invention is as the floating 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; There is sufficient stability, air gap, good exercise performance; Seabed is fixed on by suction pile basis during operation; By being laid on the cable in seabed and pipeline to neighbouring sea or land customer power supply, heat supply; Be equipped with interim anchoring equipment and anchor hawser in order to berth temporarily; There is the ability of opposing ice load.2, the cylindrical nuclear island cabin that the present invention adopts can guarantee that after 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.3, adopt releasable connection mode between the suction pile basis that the present invention includes and platform, be convenient to the installation of platform and withdraw, avoiding the impact that nuclear power Platform movement brings nuclear reactor simultaneously.4, the cylindrical shape buoyancy tank that the present invention adopts can support the weight of whole platform when major part absorb water, now can by auxiliary vessel towage, for the platform replacing atomic fuel that comes back to the base is provided convenience condition, improves the district's safety of nuclear power platform operations.5, in the cylindrical shape buoyancy tank that adopts of the present invention, ballast water capacity is adjustable, thus the load of platform on suction pile basis is maintained certain limit, reduces the impact of shallow sea water tidal level change on basic institute bearing load.6, the column that adopts of the present invention minimum arrange 3, also 4 or many can be set, its spacing can require according to platform deck yardstick and platform stability and adjust, and can adapt to the nuclear power platform of different scales.7, many root posts that the present invention adopts are arranged in around nuclear island cabin, can serve as extra passive protection.8, the ice resistant structure that the present invention adopts to be combined with reverse taper by right circular cone and forms, and has anti-ice ability, thus is applicable to marine site, ice formation.9, the present invention adopts cylinder, column type structure, and its structure is simple, construction is convenient, can reduce construction costs.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.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1; the invention provides a kind of marine nuclear power platform for marine site, shallow water ice formation, it comprises suction pile basis 1, cylindrical shape buoyancy tank 2, column 3, platform deck 4, nuclear island cabin 5, nuclear island cabin hatch cover and preventing collision protection structure 6, life building 7, interim anchoring equipment 8, fire-extinguishing and lifesaving facility 9, loop wheel machine 10, helicopter deck 11 and generating set and ancillary system room 12.
This marine nuclear power platform is provided with the suction pile basis 1 of more than three, and each 1 one end, suction pile basis is all connected with seabed, and the other end all with bottom cylindrical shape buoyancy tank 2 is connected, and releasable between suction pile basis 1 and cylindrical shape buoyancy tank 2; Cylindrical shape buoyancy tank 2 provides main buoyancy for whole nuclear power platform, top perimeter place is connected with bottom platform deck 4 by the column 3 of more than three, the magnitude setting of column 3 is identical with the magnitude setting on suction pile basis 1, and the dead in line on the axis of column 3 and suction pile basis 1; Column 3 inside is also provided with subdivision, in order to liquid consumables such as storing fresh water, emergency dynamo fuel oils; Columniform nuclear island cabin 5 is provided with between cylindrical shape buoyancy tank 2 crown center and platform deck 4, the through platform deck 4 in upper end, nuclear island cabin 5, and on platform deck 4, be provided with nuclear island cabin hatch cover and preventing collision protection structure 6, submergence height needed for nuclear island cabin 5 is higher than on nuclear power platform rear sea level in place; Nuclear island cabin 5 holds the nuclear island factory building comprising small cores reactor containment and home loop facility, and as extra protective barrier; Platform deck 4 top circumference is also respectively arranged with life building 7, interim anchoring equipment 8, fire-extinguishing and lifesaving facility 9, loop wheel machine 10, helicopter deck 11, generating set and ancillary system room 12; Platform is located in towage or installation process by interim anchoring equipment 8 temporarily; Supplies are carried out transport by loop wheel machine 10 or midget plant on mobile nuclear power platform.
In above-described embodiment, with platform deck 4 connection location place, each column 3 end circumference is also all arranged with ice resistant structure 13, and ice resistant structure 13 and column 3 end adopt and be welded and fixed.Ice resistant structure 13 is combined by right circular cone and reverse taper and forms, and the height of ice resistant structure 13 should be greater than the diff-H between the highest tide level in nuclear power platform operations marine site and lowest low water level.
In the various embodiments described above, in cylindrical shape buoyancy tank 2, be also provided with ballast tank, regulate ballast water capacity can change the drinking water of nuclear power platform by ballast tank, can by auxiliary vessel towage when cylindrical shape buoyancy tank 2 absorbs water.The height of cylindrical shape buoyancy tank 2 should be less than the sluice threshold value of building shipyard, light weight, consumable store loaded weight, ballast water weight sum when its height should make cylindrical shape buoyancy tank 2 total displacement be greater than the towage of nuclear power platform, and has certain surplus.
In the various embodiments described above, bottom cylindrical shape buoyancy tank 2 or side be provided with for externally carrying the submerged pipeline 14 of hot water or steam and the cable 15 for externally transmitting electric power; Submerged pipeline 14 can adopt steel pipe or flexible pipe, and its shape can adopt the J-shaped being transitted directly to horizontal pipe by vertical pipe, or is transitioned into the S shape of horizontal pipe again through some fluctuatings.
In the various embodiments described above, each suction pile basis 1 adopts columnar structured, and its diameter is arranged according to the sub sea conditions in nuclear power platform operations place with height, and 1 top, suction pile basis is also provided with pump sled block and guide frame.
In the various embodiments described above, the spacing between each column 3 can adjust according to the stability demand of the size of platform deck 4 and nuclear power platform drinking water state.
In the various embodiments described above, platform deck 4 adopts rectangular configuration or circular configuration, forms basic carrying structure, top covers steel plate as deck plane, have enough intensity and space in order to install top facility by the beam be criss-cross arranged.
In the various embodiments described above, the height in nuclear island cabin 5 is set to more than 10 meters, and ensure nuclear power platform in place after sea level when lowest low water level higher than nuclear reactor safety shell submergence height, thus using the ultimate heat sink of seawater as nuclear island accident condition.
In sum, nuclear power platform of the present invention can change drinking water, can by auxiliary vessel towage, the abundant energy can be provided for power supply aspects such as heat supply and sea water desalination such as the island in marine site, shallow water in winter ice formation, offshore oil and gas fields, environmental pollution can be reduced simultaneously, reduce carbon emission amount.
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. for the marine nuclear power platform in marine site, shallow water ice formation, it is characterized in that: described nuclear power platform comprises suction pile basis, cylindrical shape buoyancy tank, column, platform deck, nuclear island cabin and nuclear island cabin hatch cover and preventing collision protection structure; Described nuclear power platform is provided with the described suction pile basis of more than three, and described in each, one end, suction pile basis is all connected with seabed, and the other end all with bottom described cylindrical shape buoyancy tank is connected, and can free between described suction pile basis and described cylindrical shape buoyancy tank; Described cylindrical shape buoyancy tank top perimeter place is connected with bottom described platform deck by the described column of more than three; The described nuclear island cabin of cylindrical structural is provided with between described cylindrical shape buoyancy tank crown center and described platform deck; the through described platform deck in upper end, described nuclear island cabin; and on described platform deck, be provided with described nuclear island cabin hatch cover and preventing collision protection structure, submergence height needed for described nuclear island cabin is higher than on nuclear power platform rear sea level in place.
2. a kind of marine nuclear power platform for marine site, shallow water ice formation as claimed in claim 1, it is characterized in that: described platform deck top is also respectively arranged with life building, interim anchoring equipment, fire-extinguishing and lifesaving facility, loop wheel machine, helicopter deck and generating set and ancillary system room, located in towage or installation process by described interim anchoring equipment temporarily, supplies are carried out transport by described loop wheel machine or midget plant on mobile nuclear power platform.
3. a kind of marine nuclear power platform for marine site, shallow water ice formation as claimed in claim 1, is characterized in that: described column inside is also provided with the subdivision in order to storing fresh water, emergency dynamo fuel oil.
4. a kind of marine nuclear power platform for marine site, shallow water ice formation as described in any one of claims 1 to 3, it is characterized in that: the magnitude setting of described column is identical with the magnitude setting on described suction pile basis, and the dead in line on the axis of described column and described suction pile basis.
5. a kind of marine nuclear power platform for marine site, shallow water ice formation as described in any one of claims 1 to 3, it is characterized in that: with described platform deck connection location place, each described post end circumference is also all provided with ice resistant structure, described ice resistant structure is combined by right circular cone and reverse taper and forms, and the height of described ice resistant structure should be greater than the diff-H between the highest tide level in described nuclear power platform operations marine site and lowest low water level.
6. a kind of marine nuclear power platform for marine site, shallow water ice formation as claimed in claim 4, it is characterized in that: with described platform deck connection location place, each described post end circumference is also all arranged with ice resistant structure, described ice resistant structure is combined by right circular cone and reverse taper and forms, and the height of described ice resistant structure should be greater than the diff-H between the highest tide level in described nuclear power platform operations marine site and lowest low water level.
7. a kind of marine nuclear power platform for marine site, shallow water ice formation as described in claims 1 to 3,6 any one, it is characterized in that: in described cylindrical shape buoyancy tank, be also provided with ballast tank, the height of described cylindrical shape buoyancy tank should be less than the sluice threshold value of building shipyard, light weight, consumable store loaded weight, ballast water weight sum when its height should make described cylindrical shape buoyancy tank total displacement be greater than the towage of nuclear power platform.
8. a kind of marine nuclear power platform for marine site, shallow water ice formation as described in claims 1 to 3,6 any one, is characterized in that: bottom described cylindrical shape buoyancy tank or side is provided with for externally carrying the submerged pipeline of hot water or steam and the cable for externally transmitting electric power; Described submerged pipeline adopts steel pipe or flexible pipe, and its shape adopts the J-shaped being transitted directly to horizontal pipe by vertical pipe, or is transitioned into the S shape of horizontal pipe again through some fluctuatings.
9. a kind of marine nuclear power platform for marine site, shallow water ice formation as described in claims 1 to 3,6 any one, it is characterized in that: described platform deck adopts rectangular configuration or circular configuration, form basic carrying structure by the beam be criss-cross arranged, top covers steel plate as deck plane.
10. a kind of marine nuclear power platform for marine site, shallow water ice formation as described in claims 1 to 3,6 any one, is characterized in that: the height in described nuclear island cabin is set to more than 10 meters.
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| CN201510415414.5A CN104960637B (en) | 2015-07-15 | 2015-07-15 | A kind of marine nuclear power platform for shallow water ice formation marine site |
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| CN201510415414.5A CN104960637B (en) | 2015-07-15 | 2015-07-15 | A kind of marine nuclear power platform for shallow water ice formation marine site |
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| CN112268647A (en) * | 2020-10-15 | 2021-01-26 | 黑龙江工程学院 | Measuring device for suspension force of ultrasonic suspension device |
| CN113508772A (en) * | 2020-03-18 | 2021-10-19 | 吴常文 | Bottom-sitting type marine ranch management platform with sinking and floating functions |
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| CN113508772A (en) * | 2020-03-18 | 2021-10-19 | 吴常文 | Bottom-sitting type marine ranch management platform with sinking and floating functions |
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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 |
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