CN104036838A - Moving platform type floating nuclear power plant and refueling method - Google Patents
Moving platform type floating nuclear power plant and refueling method Download PDFInfo
- Publication number
- CN104036838A CN104036838A CN201410219752.7A CN201410219752A CN104036838A CN 104036838 A CN104036838 A CN 104036838A CN 201410219752 A CN201410219752 A CN 201410219752A CN 104036838 A CN104036838 A CN 104036838A
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- nuclear
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- 238000007667 floating Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000011435 rock Substances 0.000 claims abstract description 10
- 239000000446 fuel Substances 0.000 claims description 49
- 239000013535 sea water Substances 0.000 claims description 16
- 239000003758 nuclear fuel Substances 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 7
- 230000009466 transformation Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 9
- 230000005611 electricity Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 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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Abstract
The invention discloses a moving platform type floating nuclear power plant, comprising a plurality of pile foundations connected with seabed rock, at least one platform fixed on the pile foundations, a nuclear island plant at least accommodating nuclear reactors and a conventional island plant at least accommodating turbine generators, wherein steam generated by the nuclear reactors is sent to the turbine generators, and the nuclear island plant and the conventional island plant are detachably fixed on the platform. The moving platform type floating nuclear power plant is high in safety and low in construction cost. The invention also discloses a refueling method applied to the moving platform type floating nuclear power plants.
Description
Technical field
The present invention relates to nuclear industry field, relate in particular to a kind of nuclear power station.
Background technology
Floating nuclear power plant can be used for generating electricity, desalinizes seawater, heating, can meet the special requirement of block supply, district heating, offshore oil exploitation, chemical industry, polar region or remote districts, isolated island etc.
Floating nuclear power plant can meet the fairly large demand to the energy such as island, oil drilling platform etc. away from continent, for coastal Islands Exploitation, deep-sea oil gas exploitation provide the abundant energy at the aspect such as electric power supply, desalinization.
For example Bohai Sea Area, the associated gas generation mode adopting at present cannot meet electricity needs, and cost of electricity-generating is high, and each region according to storage oil and gas content difference, the time of exploitation is not etc. yet, elder 40 years, short person 10 years, for offshore drilling platform need to have one fixing again movably Energy Base the energy demand of drilling platform is provided.
For above-mentioned application, exploitation packaged type floating nuclear power plant can meet above-mentioned energy demand, and be about 60 years the serviceable life of at present general nuclear energy, far away higher than conventional oilfield exploitation demand.
At present, known floating nuclear power plant only have Russia open based on the fixing boat form floating nuclear power plant of offshore, this nuclear power station is boat form structure, construction costs is high, and is subject to sea Lidar Equation large, has limitation in stability.
Summary of the invention
It is high that object of the present invention is to overcome existing floating nuclear power plant construction costs, and the deficiency that stability is lower provides a kind of mobile platform type floating nuclear power plant.
Another object of the present invention is to provide a kind of material-changing method for described mobile platform type floating nuclear power plant.
Object of the present invention is achieved through the following technical solutions:
Mobile platform type floating nuclear power plant, comprises the multiple pile foundations for being connected with seabed basement rock; Also comprise that at least one is fixed on the platform in pile foundation; Also comprise the conventional island factory building that at least holds the nuclear island factory building of nuclear reactor and at least hold turbodynamo, the steam that nuclear reactor produces is delivered to turbodynamo; Nuclear island factory building and conventional island factory building are fixed on platform by removably connecting.
The present invention includes with seabed basement rock and be connected pile foundation, therefore in use, the present invention is fixed on the basement rock of seabed, and stability is high, and sea stormy waves is had to higher resistivity, has avoided rocking the impact that nuclear reactor is brought, and security is higher.
Meanwhile, the present invention is flatlike structure, and with respect to existing boat form floating nuclear power plant, its one-piece construction is simpler, and construction costs reduces greatly.
Nuclear island factory building and conventional island factory building are fixed on platform by removably connecting, nuclear island factory building and conventional island factory building can be pulled down by entirety, be convenient to the working position whole Transporting of nuclear island factory building and conventional island factory building after changing, or at the integral replacing that reaches longevity after date.
Further, the length of described pile foundation is configured to make nuclear island factory building and conventional island factory building part to be positioned at below sea.
In the time having an accident, this structure can make seawater enter nuclear island factory building and conventional island factory as ultimate heat sink, has improved security of the present invention.
Further, the length of described pile foundation is configured to make described nuclear reactor entirety to be positioned at below sea.
The highest dangerous nuclear reactor entirety after breaking down is placed in below sea, and after guarantee accident, seawater can cover nuclear reactor completely, thereby can play better cooling effect, has further improved security of the present invention.
Further, described nuclear reactor is contained by metal containment.
Metal containment plays protective action.In the time that nuclear reactor damages, contain nuclear fuel, prevent that nuclear fuel from leaking.In the time that nuclear island factory building leaks, nuclear reactor and seawater are intercepted, prevent that seawater from entering nuclear reactor and causing nuclear reactor to damage.
Further, also comprise the ejection escape machine level ground being arranged on described platform.
Ejection escape machine level ground is set, and in the time there is the disasteies such as earthquake, tsunami, or nuclear reactor entirety is while damaging, and staff can withdraw the present invention by ejection escape machine level ground, has at utmost ensured staff's personal safety.
Further, also comprise the auxiliary tower crane being arranged on described platform.
The transporting and changing for fuel assembly for nuclear reactor or other parts of auxiliary tower crane.
Further, described nuclear island factory building inside is separated into and holds the reactor building of described nuclear reactor, the electrical control factory building that holds electric control system, the nuclear fuel that holds novel fuel assembly and store factory building, the reactor safety pond that holds irradiated fuel assembly and radioactivity service factory building.
The present invention is provided with reactor safety pond, for holding the irradiated fuel assembly taking out from nuclear reactor.It is accommodating that the irradiated fuel assembly taking out need to carry out safety, processes, will greatly increase the operation cost of nuclear power station if each a small amount of irradiated fuel assembly taking out all adopts boats and ships to be transported to land based installation.Reactor safety pond is set, for storing irradiated fuel assembly, runs up to after a certain amount of and transport at irradiated fuel assembly, not only reduced and transported number of times, the irradiated fuel assembly taking out still must reload time can be accommodating by safety.
Further, in described conventional island factory building, also accommodate the sea water desalinating unit being connected with described turbodynamo.
The present invention, except generating electricity, can also be used for desalinization.The steam that nuclear reactor produces enters turbodynamo low pressure (LP) cylinder acting final vacuum and enters sea water desalinating unit, utilizes the latent heat of exhaust to carry out desalinization.Or directly utilize the part electric energy that turbodynamo obtains to carry out desalinization.
Further, in described conventional island factory building, also accommodate the transformation station being connected with described turbodynamo.
The electricity that turbodynamo sends is delivered to user terminal by subsea cable after boosting in transformation station.
Another object of the present invention is achieved through the following technical solutions:
For the material-changing method of mobile platform type floating nuclear power plant, comprise the steps:
The irradiated fuel assembly of postdose is taken out in nuclear reactor;
The irradiated fuel assembly of taking-up is transported in reactor safety pond and is deposited;
The novel fuel assembly that nuclear fuel is stored in factory building packs nuclear reactor into, and nuclear reactor can operate again;
Irradiated fuel assembly in reactor safety pond reaches after predetermined quantity, and the irradiated fuel assembly in reactor safety pond is transported to the transferring ship that reloads, and the irradiated fuel assembly transferring ship that reloaded is transported.
In sum, advantage of the present invention and beneficial effect are:
1. the present invention includes with seabed basement rock and be connected pile foundation, therefore in use, the present invention is fixed on the basement rock of seabed, and stability is high, and sea stormy waves is had to higher resistivity, has avoided rocking the impact that nuclear reactor is brought, and security is higher;
2. the present invention is flatlike structure, and with respect to existing boat form floating nuclear power plant, its one-piece construction is simpler, and construction costs reduces greatly;
3. nuclear island factory building and conventional island factory building are fixed on platform by removably connecting, nuclear island factory building and conventional island factory building can be pulled down by entirety, be convenient to the working position whole Transporting of nuclear island factory building and conventional island factory building after changing, or at the integral replacing that reaches longevity after date;
4. nuclear island factory building and conventional island factory building part are positioned at below sea, enough make seawater enter nuclear island factory building and conventional island factory as ultimate heat sink, have improved security of the present invention;
5. nuclear reactor entirety is positioned at below sea, and after guarantee accident, seawater can cover nuclear reactor completely, thereby can play better cooling effect, has further improved security of the present invention;
6. in the time that nuclear reactor damages, metal containment contains nuclear fuel, prevents that nuclear fuel from leaking; In the time that nuclear island factory building leaks, metal containment intercepts nuclear reactor and seawater, prevents that seawater from entering nuclear reactor and causing nuclear reactor to damage;
7. ejection escape machine level ground is set, for staff provides the approach of withdrawing, safeguard work personnel's personal safety;
8. auxiliary tower crane is set, is convenient to transporting and changing of fuel assembly for nuclear reactor or other parts;
9. reactor safety pond is set, for storing irradiated fuel assembly, runs up to after a certain amount of and transport at irradiated fuel assembly, not only reduced and transported number of times, the irradiated fuel assembly taking out still must reload time can be accommodating by safety;
10. sea water desalinating unit is set, makes the present invention realize the function of desalinization.
Brief description of the drawings
In order to be illustrated more clearly in embodiments of the invention, will be briefly described describing the required accompanying drawing of using in the embodiment of the present invention below.Apparent, the accompanying drawing in the following describes is only some embodiment that record in the present invention, for a person skilled in the art, in the situation that not paying creative work, can also, according to accompanying drawing below, obtain other accompanying drawing.
Fig. 1 is the one-piece construction schematic diagram of mobile platform type floating nuclear power plant in the present invention;
Fig. 2 is the inner structure schematic diagram of nuclear island factory building and conventional island factory building;
Fig. 3 is the schematic diagram that reloads of mobile platform type floating nuclear power plant in the present invention;
Wherein, the parts title that Reference numeral is corresponding is as follows:
1-nuclear island factory building, 2-nuclear reactor, 3-conventional island factory building, 4-turbodynamo, 5-seabed basement rock, 6-pile foundation, 7-sea, 8-electrical control factory building, 9-nuclear fuel stores factory building, 10-radioactivity service factory building, 11-metal containment, 12-reactor safety pond, the 13-transferring ship that reloads, 14-reactor building, 15-platform, 16-ejection escape machine level ground, 17-assists tower crane.
Embodiment
In order to make those skilled in the art understand better the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out to clear, complete description.Apparent, embodiment described below is only the part in the embodiment of the present invention, instead of all.The embodiment recording based on the present invention, other all embodiment that those skilled in the art obtain in the situation that not paying creative work, all in the scope of protection of the invention.
Embodiment 1:
As shown in Figure 1, mobile platform type floating nuclear power plant, comprises the multiple pile foundations 6 for being connected with seabed basement rock; Also comprise that at least one is fixed on the platform 15 in pile foundation 6; Also comprise the nuclear island factory building 1 that at least holds nuclear reactor 2 and the conventional island factory building 3 that at least holds turbodynamo 4, the steam that nuclear reactor 2 produces is delivered to turbodynamo 4; Nuclear island factory building 1 and conventional island factory building 3 are fixed on platform 15 by removably connecting.
In the present embodiment, nuclear reactor 2 is presurized water reactor, and for example integrated arrangement presurized water reactor, close-coupled are arranged presurized water reactor or dispersed placement presurized water reactor.In the time that output power demand is larger, can also select the nuclear reactor 2 being constituted by multiple reactor modules.
In the present embodiment, nuclear island factory building 1 and conventional island factory building 3 can be fixed on same platform 15, also can be fixed on different platform 15.
Removably connecting shown in the present embodiment can realize through but not limited to modes such as anchor connection, bolt connection, engagement connections.
Described pile foundation 6 can be selected concrete pipe base, adopts the form of cast to be fixed in seabed basement rock 5.Described pile foundation 6 also can be selected steel pile foundation.
In the present embodiment, the steam that nuclear reactor 2 produces is delivered to turbodynamo 4, drives turbodynamo 4 acting generatings, and the electric energy producing is delivered to user terminal by subsea cable.
Loss when reducing delivery of electrical energy can also arrange transformation station in conventional island factory building 3, and the electricity that turbodynamo 4 sends is delivered to user terminal by subsea cable after boosting in transformation station.
In order to realize the function of desalinization, can also in conventional island factory building 3, sea water desalinating unit be set.The steam that nuclear reactor 2 produces enters turbodynamo 4 low pressure (LP) cylinder acting final vacuums and enters sea water desalinating unit, utilizes the latent heat of exhaust to carry out desalinization.Or directly utilize the part electric energy that turbodynamo obtains to carry out desalinization.
Embodiment 2:
Understand the present invention for the ease of those skilled in the art, the present embodiment, on the basis of embodiment 1, is further described mobile platform type floating nuclear power plant.
In nuclear reactor 2, the heat that fuel assembly sends passes to once through steam generator secondary side by reactor coolant heat-carrying and feeds water, secondary side feedwater promotes turbodynamo 4 acting generatings after changing steam into, exhaust steam after acting enters condenser and is condensed into after water, after heat regenerative system heating, again get back to steam generator, form closed cycle.
When for electricity/vapour alliance, the secondary steam generator in nuclear reactor 2 produces secondary steam and offers industrial steam heat supply network, is user terminal, for example offshore oilfield air feed.
When for the coproduction of electricity/water constantly, can adopt the secondary steam generator in nuclear reactor 2 to produce secondary steam, enter turbodynamo 4 low pressure (LP) cylinder acting final vacuums and enter sea water desalinating unit, utilize the latent heat of exhaust to carry out desalinization, or directly utilize the part electric energy that turbodynamo 4 obtains to carry out desalinization, thereby provide fresh water for terminal user.
Embodiment 3:
As shown in Figure 1, the present embodiment is on the basis of above-mentioned any one embodiment, and the length of described pile foundation 6 is configured to make nuclear island factory building 1 and conventional island factory building 3 parts to be positioned at below sea.
In order further to improve security, can also, on the basis of said structure, adjust the length of pile foundation 6, described nuclear reactor 2 entirety are positioned at below sea.
Embodiment 4:
As shown in Figure 2, the present embodiment is on the basis of above-mentioned any one embodiment, and described nuclear reactor 2 is contained by metal containment 11.
Embodiment 5:
As shown in Figure 1, the present embodiment, on the basis of above-mentioned any one embodiment, also comprises the ejection escape machine level ground 16 being arranged on described platform 15.
Embodiment 6:
As shown in Figure 1, the present embodiment, on the basis of above-mentioned any one embodiment, also comprises the auxiliary tower crane 17 being arranged on described platform 15.
Embodiment 7:
As shown in Figure 2, the present embodiment is on the basis of above-mentioned any one embodiment, and described nuclear island factory building 1 inside is separated into and holds the reactor building 14 of described nuclear reactor 2, the electrical control factory building 8 that holds electric control system, the nuclear fuel that holds novel fuel assembly and store factory building 9, the reactor safety pond 12 that holds irradiated fuel assembly and radioactivity service factory building 10.
Radioactivity service factory building 10 is for holding the parts for subsequent use of nuclear reactor 2, managing security tools and instruments etc.
Be provided with reactor safety pond 12, for holding the irradiated fuel assembly taking out from nuclear reactor 2.It is accommodating that the irradiated fuel assembly taking out need to carry out safety, processes, will greatly increase the operation cost of nuclear power station if each a small amount of irradiated fuel assembly taking out all adopts boats and ships to be transported to land based installation.Reactor safety pond 12 is set, for storing irradiated fuel assembly, runs up to after a certain amount of and transport at irradiated fuel assembly, not only reduced and transported number of times, the irradiated fuel assembly taking out still must reload time can be accommodating by safety.
As shown in Figure 3, the material-changing method of mobile platform type floating nuclear power plant, comprises the steps:
By the irradiated fuel assembly of postdose from the interior taking-up of nuclear reactor 2;
The irradiated fuel assembly of taking-up is transported in reactor safety pond 12 and is deposited;
The novel fuel assembly that nuclear fuel is stored in factory building 9 packs nuclear reactor 2 into, and nuclear reactor 2 can operate again;
Irradiated fuel assembly in reactor safety pond 12 reaches after predetermined quantity, and the irradiated fuel assembly in reactor safety pond 12 is transported to the transferring ship 13 that reloads, and the irradiated fuel assembly transferring ship 13 that reloaded is transported.
In reactor safety pond 12, hold after the irradiated fuel assembly of 3 to 4 refulling cycles, can all irradiated fuel assembly unifications be transported by the transferring ship 13 that reloads.
Embodiment 8:
The present embodiment, on the basis of embodiment 7, is further described the material-changing method of mobile platform type floating nuclear power plant.
------------------reactor is at refuelling pool water-filling---to be hung out top cover of reactor pressure vessel and---uses refueling machine to capture irradiated fuel assembly and---irradiated fuel assembly is transported to reactor safety pond 12 and---irradiated fuel assembly is put to storage shelf to---operation more than repeating is until take out whole reactor core irradiated fuel assemblies---by small crane and packed into novel fuel assembly and buckle closure by contrary order dismounting kingbolt dismounting heap roof construction a drainage of circuit material-changing method of mobile platform type floating nuclear power plant: nuclear reactor 2 shutdowns to throw off control rod drive mechanisms (CRD) connector for cooling, step-down.
As mentioned above, just can realize preferably the present invention.
Claims (10)
1. mobile platform type floating nuclear power plant, is characterized in that:
Comprise the multiple pile foundations (6) for being connected with seabed basement rock;
Also comprise that at least one is fixed on the platform (15) in pile foundation (6);
Also comprise the nuclear island factory building (1) that at least holds nuclear reactor (2) and the conventional island factory building (3) that at least holds turbodynamo (4), the steam that nuclear reactor (2) produces is delivered to turbodynamo (4);
Nuclear island factory building (1) and conventional island factory building (3) are fixed on by removably connecting on platform (15).
2. mobile platform type floating nuclear power plant according to claim 1, is characterized in that:
The length of described pile foundation (6) is configured to make nuclear island factory building (1) and conventional island factory building (3) part to be positioned at below sea.
3. mobile platform type floating nuclear power plant according to claim 2, is characterized in that:
The length of described pile foundation (6) is configured to make described nuclear reactor (2) entirety to be positioned at below sea.
4. mobile platform type floating nuclear power plant according to claim 1, is characterized in that:
Described nuclear reactor (2) is contained by metal containment (11).
5. mobile platform type floating nuclear power plant according to claim 1, is characterized in that:
Also comprise the ejection escape machine level ground (16) being arranged on described platform (15).
6. mobile platform type floating nuclear power plant according to claim 1, is characterized in that:
Also comprise the auxiliary tower crane (17) being arranged on described platform (15).
7. according to the mobile platform type floating nuclear power plant described in any one in claim 1 ~ 6, it is characterized in that:
Described nuclear island factory building (1) inside is separated into and holds the reactor building (14) of described nuclear reactor (2), the electrical control factory building (8) that holds electric control system, the nuclear fuel that holds novel fuel assembly and store factory building (9), the reactor safety pond (12) that holds irradiated fuel assembly and radioactivity service factory building (10).
8. according to the mobile platform type floating nuclear power plant described in any one in claim 1 ~ 6, it is characterized in that:
In described conventional island factory building (3), also accommodate the sea water desalinating unit being connected with described turbodynamo (4).
9. according to the mobile platform type floating nuclear power plant described in any one in claim 1 ~ 6, it is characterized in that:
In described conventional island factory building (3), also accommodate the transformation station being connected with described turbodynamo (4).
10. for the material-changing method of mobile platform type floating nuclear power plant claimed in claim 7, it is characterized in that, comprise the steps:
The irradiated fuel assembly of postdose is taken out in nuclear reactor (2);
The irradiated fuel assembly of taking-up is transported in reactor safety pond (12) and is deposited;
The novel fuel assembly that nuclear fuel is stored in factory building (9) packs nuclear reactor (2) into, and nuclear reactor (2) can operate again;
Irradiated fuel assembly in reactor safety pond (12) reaches after predetermined quantity, and the irradiated fuel assembly in reactor safety pond (12) is transported to the transferring ship that reloads (13), and the irradiated fuel assembly transferring ship (13) that reloaded is transported.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410219752.7A CN104036838A (en) | 2014-05-23 | 2014-05-23 | Moving platform type floating nuclear power plant and refueling method |
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| CN201410219752.7A CN104036838A (en) | 2014-05-23 | 2014-05-23 | Moving platform type floating nuclear power plant and refueling method |
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Cited By (7)
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| CN104264646A (en) * | 2014-09-26 | 2015-01-07 | 中国海洋石油总公司 | Concrete marine nuclear power platform |
| CN104299662A (en) * | 2014-09-19 | 2015-01-21 | 中国海洋石油总公司 | Nuclear power plant of movable marine nuclear power platform |
| CN104376886A (en) * | 2014-11-10 | 2015-02-25 | 中国海洋石油总公司 | Offshore nuclear power platform with cylindrical foundation bodies |
| CN106683725A (en) * | 2017-01-05 | 2017-05-17 | 中广核研究院有限公司 | Device for fuel transfer and corresponding nuclear power platform |
| CN110010257A (en) * | 2019-04-09 | 2019-07-12 | 中国核动力研究设计院 | Floating nuclear power plant reactor hot core components assembling and disassembling device and mounting and dismounting method |
| CN110576944A (en) * | 2018-06-07 | 2019-12-17 | 中集海洋工程研究院有限公司 | Jack-up nuclear power generation platform |
| US20210098143A1 (en) * | 2018-03-22 | 2021-04-01 | Energie Propre Prodigy Ltee / Prodigy Clean Energy Ltd. | Offshore and marine vessel-based nuclear reactor configuration, deployment and operation |
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Application publication date: 20140910 |