CN103953210A - Nuclear island arrangement structure of small-size pressurized water reactor nuclear power plant - Google Patents
Nuclear island arrangement structure of small-size pressurized water reactor nuclear power plant Download PDFInfo
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- CN103953210A CN103953210A CN201410125924.4A CN201410125924A CN103953210A CN 103953210 A CN103953210 A CN 103953210A CN 201410125924 A CN201410125924 A CN 201410125924A CN 103953210 A CN103953210 A CN 103953210A
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Abstract
The invention relates to a nuclear island arrangement structure of a small-size pressurized water reactor nuclear power plant. The nuclear island arrangement structure comprises two reactor factories positioned in a nuclear island shell, two connection factories, a fuel factory, an auxiliary factory and a get-in and get-out factory positioned in the nuclear island shell, wherein the public fuel factory is arranged between the two reactor factories; the public auxiliary factory is arranged in a direction perpendicular to the fuel factory; the two connection factories are respectively arranged on parts between the two reactor factories and the fuel factory, the auxiliary factory and the nuclear island shell; the get-in and get-out factory is arranged at a position in an included angle of one connection factory outside the nuclear island shell and the fuel factory. The nuclear island arrangement structure can meet a requirement for realizing the most advanced passive safety function, is higher in shock absorption capacity, meets a requirement on a third-generation nuclear power technology and is favorable for improving the safety of the whole nuclear power plant and enhancing the acceptability of the nuclear safety by people.
Description
Technical field
The invention belongs to a kind of arrangement of heating power factory, relate in particular to a kind of nuclear island arrangement of small-sized PWR nuclear power plant.
Background technology
For improving the economy of nuclear energy power generation, be mainly that the scale by increasing single-machine capacity and power station reduces construction cost, current maximum single-machine capacity has reached 1650MWe.In the power station of technology of the same type, the increase of single-machine capacity no doubt can obtain good economy, but brought huge pressure to the guarantee of nuclear safety simultaneously, from and the safety of obtained economy and operation of power networks has been brought to negative effect, can say that the economy effect of the capacity scale of nuclear power unit has reached the limit.The development of passive technology and the contradictory problems being applied as between the power miniaturization of single heap and modular combination solution safety and economy on large nuclear-power provide a kind of feasible approach.The features such as small-sized presurized water reactor has high safety, purposes is many, applicability is wide, flexible arrangement, will become an important directions of nuclear power future development.There is no in the world and build up and in the situation that building this type of power plant, China's development rickle nuclear power generating sets are conducive to assurance technology and the first market opportunities.
Summary of the invention
The object of the invention is to the demand for small-sized nuclear power market, a kind of small-sized PWR nuclear power plant nuclear island arrangement that is conducive to improve whole npp safety is provided.
Technical scheme of the present invention is as follows: a kind of nuclear island arrangement of small-sized PWR nuclear power plant, comprise two reactor buildings that are positioned at nuclear island shell, two connection factory buildings, a fuel factory building, an auxiliary plant and be positioned at a turnover factory building of nuclear island shell, wherein, shared described fuel factory building is set between two described reactor buildings, with described fuel factory building vertical orientations, shared described auxiliary plant is set, two reactor buildings respectively with fuel factory building, between auxiliary plant and nuclear island shell, part is two described connection factory buildings, position between connection factory building of nuclear island housing exterior and fuel factory building angle arranges described turnover factory building.
Further, the nuclear island arrangement of small-sized PWR nuclear power plant as above, wherein, two described reactor buildings, a fuel factory building, two connection factory buildings, an auxiliary plant are positioned on a large base plate of entirety.
Further, the nuclear island arrangement of small-sized PWR nuclear power plant as above, wherein, in described auxiliary plant, be divided into Ji electricity Yi battery limits, plant equipment district, arrogant base plate to the plant equipment district of-20.00m absolute altitude is control zone, from-20.00m absolute altitude to the electric instrument battery limits on factory building roof are supervised area, between control zone and supervised area, realize entity isolation by floor and close measure.
Further, the nuclear island arrangement of small-sized PWR nuclear power plant as above, wherein, described reactor building containment summit all locates below ground level below.
Further, the nuclear island arrangement of small-sized PWR nuclear power plant as above, wherein, the upper empty position that described connection factory building is positioned at reactor building is provided with the water tank of deriving for non-passive safety shell heat.
Further, the nuclear island arrangement of small-sized PWR nuclear power plant as above, wherein, described fuel factory building is provided with main equipment turnover hoisting area at ground level layer, in fuel factory building, be provided for reactor main equipment to introduce the passage in reactor building containment, this passage is made up of jointly ground level layer passage, lifting hole and the each floor passage of below ground.
Further, the nuclear island arrangement of small-sized PWR nuclear power plant as above, wherein, the appearance profile of the cross section of nuclear island shell is by two straight flanges and two " runway " shapes that arc-shaped side forms.
Beneficial effect of the present invention is as follows: nuclear island factory building arrangement provided by the present invention adopts two heaps to arrange, two adopt reactor building common fuel factory building, auxiliary plant and the turnover factory building of prestressing force containment, thereby improves the macroeconomic type of unit.The present invention can meet higher safety requirements completely, meet the demand that realizes of state-of-the-art non-passive safety function, in nuclear island factory building, contain non-active security system, reactor building entirety is embedded in below ground, possesses higher shock resistance, meet the requirement of three generations's nuclear power technology, be conducive to improve the safety of whole nuclear power plant, strengthen the acceptance of the common people to nuclear safety.Brief description of the drawings
Fig. 1 is the floor map of arrangement of the present invention;
Fig. 2 is the schematic three dimensional views of arrangement of the present invention.
In figure, 1-1# reactor building; 2-2# reactor building; 3-fuel factory building; 4-1# connects factory building; 5-2# connects factory building; 6-auxiliary plant; 7-turnover factory building; 8-nuclear island shell
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1 and Figure 2, the nuclear island of small-sized PWR nuclear power plant of the present invention is made up of following mill construction: 1# reactor building 1,2# reactor building 2, fuel factory building 3, auxiliary plant 6,1# connect factory building 4,2# connects factory building 5, turnover factory building 7, wherein, two reactor buildings 1,2, fuel factory building 3, two connection factory buildings 4,5, auxiliary plant 6 are positioned on a large base plate of entirety and are included in 8 li, a nuclear island shell.
Shared fuel factory building 3 is set between 1# reactor building 1 and 2# reactor building 2, with fuel factory building 3 vertical orientations, shared auxiliary plant 6 is set, between two reactor buildings 1,2 and fuel factory building 3, auxiliary plant 6 and nuclear island shell 8, part is connected factory building 4 and 2# connection factory building 5 for 1#, outside nuclear island shell 8, between 2# connection factory building 5 and fuel factory building 3 angles, be provided with turnover factory building 7, as the passage of control zone personnel turnover.
In the present invention, it is underground that two reactor building 1,2 entirety are embedded in, and the containment summit of reactor building all locates below ground level below, and the seismic fortification criterion of factory building is that the safe earthquake oscillatory acceleration of limit peak value adopts 0.3g.
The ground level layer position of fuel factory building 3 is provided with main equipment turnover hoisting area, in fuel factory building 3, be provided for reactor main equipment to introduce the passage in reactor building 1,2 containments, this passage is made up of jointly ground level layer passage, lifting hole and the each floor passage of below ground.
The upper empty position that lays respectively at two reactor buildings 1,2 at two connection factory buildings 4,5 is provided with the water tank of deriving for non-passive safety shell heat.
In auxiliary plant 6, be divided into Ji electricity Yi battery limits, plant equipment district, arrogant base plate to the plant equipment district of-20.00m absolute altitude is control zone, from-20.00m absolute altitude to the electric instrument battery limits on factory building roof are supervised area, between control zone and supervised area, realize entity isolation by floor and close measure.
The appearance profile of the cross section of nuclear island shell 8 is by two straight flanges and two " runway " shapes that arc-shaped side forms, and this is designed with and is beneficial to nuclear island factory building and keeps out the buried backfill pressure causing.
Main building group layout provided by the present invention mainly considers that whole nuclear island factory building carries out layout taking reactor building as core, and the equipment of passive safety system is arranged in containment as far as possible or adjacent reactor building is arranged; Auxiliary plant should be tried one's best near containment so that the laying of pipeline and cable, and mechanical penetration piece district tries one's best away from arranged apart with cable penetration unit region; The position of fuel factory building is taking fuel transfer tube axis as benchmark, and due to two heap common fuel factory buildings, fuel transhipment cabin need be designed to hold the layout of two cover transporters side by side, and other are if the employing shared design such as Spent Fuel Pool are to embody the economy of small-sized heap; For turnover nuclear island control zone arranges independently health access, improve greatly operations staff's working environment.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if to these amendments of the present invention with within modification belongs to the scope of the claims in the present invention and equivalent technology thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (7)
1. the nuclear island arrangement of a small-sized PWR nuclear power plant, it is characterized in that: comprise two reactor buildings (1 that are positioned at nuclear island shell (8), 2), two connection factory buildings (4, 5), a fuel factory building (3), an auxiliary plant (6) and be positioned at the outer turnover factory building (7) of nuclear island shell (8), wherein, two described reactor buildings (1, 2) shared described fuel factory building (3) is set between, with described fuel factory building (3) vertical orientations, shared described auxiliary plant (6) is set, two reactor buildings (1, 2) respectively with fuel factory building (3), between auxiliary plant (6) and nuclear island shell (8), part is two described connection factory buildings (4, 5), position between the outside connection factory building of nuclear island shell (8) (5) and fuel factory building (3) angle arranges described turnover factory building (7).
2. the nuclear island arrangement of small-sized PWR nuclear power plant as claimed in claim 1, is characterized in that: described two reactor buildings (1,2), a fuel factory building (3), two connection factory buildings (4,5), an auxiliary plant (6) are positioned on a large base plate of entirety.
3. the nuclear island arrangement of small-sized PWR nuclear power plant as claimed in claim 2, it is characterized in that: in described auxiliary plant (6), be divided into Ji electricity Yi battery limits, plant equipment district, arrogant base plate to the plant equipment district of-20.00m absolute altitude is control zone, from-20.00m absolute altitude to the electric instrument battery limits on factory building roof are supervised area, between control zone and supervised area, realize entity isolation by floor and close measure.
4. the nuclear island arrangement of the small-sized PWR nuclear power plant as described in any one in claim 1-3, is characterized in that: the containment summit of described reactor building (1,2) all locates below ground level below.
5. the nuclear island arrangement of small-sized PWR nuclear power plant as claimed in claim 4, is characterized in that: the upper empty position that described connection factory building (4,5) is positioned at reactor building (1,2) is provided with the water tank of deriving for non-passive safety shell heat.
6. the nuclear island arrangement of small-sized PWR nuclear power plant as claimed in claim 4, it is characterized in that: described fuel factory building (3) ground level layer is provided with main equipment turnover hoisting area, in fuel factory building (3), be provided for reactor main equipment to introduce the passage in reactor building (1,2) containment, this passage is made up of jointly ground level layer passage, lifting hole and the each floor passage of below ground.
7. the nuclear island arrangement of small-sized PWR nuclear power plant as claimed in claim 1, is characterized in that: the appearance profile of the cross section of nuclear island shell (8) is by two straight flanges and two " runway " shapes that arc-shaped side forms.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105114521A (en) * | 2015-08-26 | 2015-12-02 | 国核电力规划设计研究院 | Nuclear island arrangement structure |
| CN105355246A (en) * | 2015-10-15 | 2016-02-24 | 杜善骥 | Portable nuclear power station |
| CN106024081A (en) * | 2016-05-27 | 2016-10-12 | 中国核电工程有限公司 | Multi-reactor nuclear power plant arrangement structure |
| CN106887264A (en) * | 2015-12-15 | 2017-06-23 | 中国核动力研究设计院 | A kind of modular reactor steam power plant group's heap of arrangement arranged in a straight line |
| CN108089218A (en) * | 2017-11-27 | 2018-05-29 | 中核控制系统工程有限公司 | A kind of nuclear power station control area discrepancy radioactivity monitoring system |
| CN110246599A (en) * | 2019-05-08 | 2019-09-17 | 上海核工程研究设计院有限公司 | A kind of double heaps of compact reactor share weary pool device |
| CN115478721A (en) * | 2022-09-27 | 2022-12-16 | 中广核工程有限公司 | Single-pile nuclear island plant structure for nuclear power plant |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114521A (en) * | 2015-08-26 | 2015-12-02 | 国核电力规划设计研究院 | Nuclear island arrangement structure |
| CN105355246A (en) * | 2015-10-15 | 2016-02-24 | 杜善骥 | Portable nuclear power station |
| CN106887264A (en) * | 2015-12-15 | 2017-06-23 | 中国核动力研究设计院 | A kind of modular reactor steam power plant group's heap of arrangement arranged in a straight line |
| CN106024081A (en) * | 2016-05-27 | 2016-10-12 | 中国核电工程有限公司 | Multi-reactor nuclear power plant arrangement structure |
| CN108089218A (en) * | 2017-11-27 | 2018-05-29 | 中核控制系统工程有限公司 | A kind of nuclear power station control area discrepancy radioactivity monitoring system |
| CN108089218B (en) * | 2017-11-27 | 2023-06-13 | 中核控制系统工程有限公司 | Nuclear power station control area access radioactivity monitoring system |
| CN110246599A (en) * | 2019-05-08 | 2019-09-17 | 上海核工程研究设计院有限公司 | A kind of double heaps of compact reactor share weary pool device |
| CN115478721A (en) * | 2022-09-27 | 2022-12-16 | 中广核工程有限公司 | Single-pile nuclear island plant structure for nuclear power plant |
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Application publication date: 20140730 |