CN103928063B - Non-active double-layer containment with water storage steel pipe column - Google Patents
Non-active double-layer containment with water storage steel pipe column Download PDFInfo
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- CN103928063B CN103928063B CN201310012254.0A CN201310012254A CN103928063B CN 103928063 B CN103928063 B CN 103928063B CN 201310012254 A CN201310012254 A CN 201310012254A CN 103928063 B CN103928063 B CN 103928063B
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- containment
- steel pipe
- pipe column
- cooling water
- plate
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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
- Y02E30/30—Nuclear fission reactors
Abstract
The invention belongs to the technical field of security structure design of a nuclear power station, and particularly relates to a non-active double-layer containment with a water storage steel pipe column. A base plate is located on a foundation; a steel containment is located on the base plate; an outer side plate is arranged on the outer side of the steel containment and is located on the base plate; a top plate is arranged on the outer side plate, an upper cooling water tank is located on the top plate and is situated right above the steel containment; upper cooling water is stored in the upper cooling water tank; a lower air intake hole and an upper vent hole are located on the outer side plate; a flow distribution disk is hung and welded on the top plate and is located between the upper cooling water tank and the steel containment; an air flow guide plate is welded on the inner side of the outer side plate. The cooling performance of the containment and the viability of the nuclear power station under an accident working condition are improved; and the structural property of the containment can be also greatly improved, so that a structural style of the steel containment is more reasonable, the rigidity of the steel containment is relatively greatly improved, and vibration resistance of the steel containment is improved.
Description
Technical field
The invention belongs to Nuclear Safety structure-design technique field is and in particular to a kind of non-with retaining steel pipe column
Active double containment.
Background technology
Containment/shielding factory building is the most important structures of nuclear power plant, and its major function is in imaginary design base
After quasi- accident, bear internal pressure, contain airborne radioactivity releaser, and be reactor in during normal operation
Core and coolant system provide barrier.Meanwhile, containment/shielding factory building is also the heating power border of reactor, tool
Have and the heat producing after design basis accident is entered air, prevents the function of superpressure.
The type of containment/shielding factory building more popular at present mainly includes the prestressed concrete with Leak-tight liner
Containment, the double containment being made up of prestressed concrete containment vessel and normal concrete containment and by steel
Containment shields, with reinforcing bar/prestressed reinforced concrete, the double containment that factory building collectively constitutes.The Qinshan of China
One phase was the prestressed concrete containment vessel with Leak-tight liner using autonomous Design.Using French technology
EPR nuclear power plant and employed by prestressed concrete containment vessel using the VVER nuclear power plant of Russian technology and
The double containment of normal concrete containment composition.And the AP1000 nuclear power that currently high-volume is built
Factory, then be to shield the double containment that factory building collectively constitutes, this peace using by metal containment with armored concrete
Full shell employs passive technology, has higher reliability.
The passive cooling of containment under basis accident for the AP1000 nuclear power plant, is by shielding factory building top
The spray of passive containment cooling water tank institute water storage is carrying out.Ratio conventional containment/shielding factory building,
In thermodynamic property, this is one and significantly improves.Why Fukushima, Japan nuclear power crisis deteriorates, and is
Because active cooling failure under extreme operating condition.But AP1000 nuclear power plant there is also certain problem：Will be as
This huge water tank is placed in the top of shielding factory building it is clear that the antidetonation to structure is unfavorable.And spray system
Itself can smoothly open in the state of accident, also will largely effect on the reliability of system.
Chinese invention patent 03143620.X proposes a kind of new boiling water reactor containment, this patent pair
Containment internal structure is adjusted, and has certain novelty.But containment is not made in itself great
Improve, in Residual heat removal with terms of preventing superpressure, do not have marked improvement.
Content of the invention
It is an object of the invention to provide a kind of passive double containment with retaining steel pipe column, existing to overcome
Deficiency with the presence of technology.
For reaching above-mentioned purpose, the technical solution used in the present invention is：
A kind of passive double containment with retaining steel pipe column, this containment include metal containment, outer panel,
Base plate, top board, top cooling water tank, top cooling water, lower air inlet, upper discharge hole, air are led
Stream plate, assignment of traffic disk；
Described base plate is seated on ground；Metal containment is seated on base plate；The outside of metal containment is provided with
Outer panel, outer panel is seated on base plate；Top board is provided with outer panel, top cooling water tank is seated top
On plate and directly over metal containment；Top cooling water is stored in the cooling water tank of top；Lower air inlet
It is located on outer panel with upper discharge hole；Assignment of traffic disk hangs and is welded on top board, and is located at top cooling
Between water tank and metal containment；Air baffle is welded on inside outer panel.
Described metal containment is by the metal containment main body of cylindrical tube shape and its cover head of two ends semielliptical shape and bottom
End socket forms, and metal containment is connected with base plate by bottom (head).
Described metal containment main body by the retaining steel pipe column uniformly arranged and its between intercolumniation plate form.
Intercolumniation cooling water is stored in described retaining steel pipe column.
The quantity of described retaining steel pipe column is 16, with 22.5 ° of spacing around the uniform cloth of metal containment planar central
Put.
Described retaining steel pipe column is by the band edge of a wing seamless steel pipe of steel overall perfusion, is prevented inside it
Rotten process after kiss-coating again.
Described cover head is made up of plate, cover head top board and trough girder stiffener between semicircle trough girder, beam
Semi-ellipsoid shape；The lower end of semicircle trough girder and the welding of corresponding retaining steel pipe column upper end, the upper end of semicircle trough girder
With the welding of cover head top board, plate connection, the upper end of plate and closedtop between beam between beam are passed through in the side of semicircle trough girder
Crown plate weld, the lower end of plate and corresponding intercolumniation plate weld between beam；Trough girder stiffener is welded on half slot
On type beam, the plane of trough girder stiffener is perpendicular to semicircle trough girder axis.
Described outer panel is that inside carries stainless steel lining, is applied with ring orientation prestress, has and hold compared with strong structure
Loading capability and the cylinder-like structure of radiation shielding capability.
Described outer panel is connected by joint bar with base plate.
Having the beneficial effect that acquired by the present invention：
Passive double containment with retaining steel pipe column of the present invention utilizes the intrinsic physics of water and air special
Property, using the principle of heat loss through convection, there is good Residual heat removal performance, be not required to external under accident conditions
The support of the energy.Compared with the passive cooling of AP1000, invention increases intercolumniation cooling water is cold to assist
But, substantially increase the cooling performance of containment under accident conditions, improve the nuclear power station life under accident conditions
Deposit ability.The structure design of the present invention can also greatly improve the structural behaviour of containment, makes metal containment
Version is more reasonable, makes metal containment rigidity be able to larger raising, improves the shock resistance of metal containment
Energy；
Common containment/shielding factory building, carries out Residual heat removal by ad hoc security system, and these safety
System is that needs are power-actuated, and under accident conditions, the reliability of security system itself has very big problem.
And the present invention carries out Residual heat removal by the intrinsic physical characteristic of the thermal convection current of water, reliability is higher；
The containment of AP1000/shielding factory building passes through to shield the passive containment cooling water tank institute at factory building top
The spray of the water of storage is carrying out Residual heat removal.The present invention carries out retaining using top cooling water tank and steel pipe column,
Reservoir storage is bigger, even if cooling water tank valve in top cannot be opened it is also possible to pass through intercolumniation under accident conditions
Cooling evaporation of water realizes a certain degree of passive cooling；
Ring-shaped distributed steel pipe column group forms cylinder group structure, greatly facilitates safety of structure.
Brief description
Fig. 1 is the passive double containment profilograph with retaining steel pipe column of the present invention；
Fig. 2 is metal containment profilograph；
Fig. 3 is metal containment body cross-section figure；
Fig. 4 is metal containment cover head top view；
In figure：1st, metal containment；2nd, intercolumniation cooling water；3rd, containment internal structure；4th, outer panel；5、
Base plate；6th, top board；7th, top cooling water tank；8th, top cooling water；9th, lower air inlet；10th, on
Portion's steam vent；11st, air baffle；12nd, assignment of traffic disk；13rd, metal containment main body；14th, closedtop
Head；15th, bottom (head)；16th, retaining steel pipe column；17th, intercolumniation plate；18th, semicircle trough girder；19th, Liang Jian
Plate；20th, cover head top board；21st, trough girder stiffener.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the passive double containment with retaining steel pipe column of the present invention include metal containment 1,
Intercolumniation cooling water 2, outer panel 4, base plate 5, top board 6, top cooling water tank 7, top cooling water 8, under
Portion's air admission hole 9, upper discharge hole 10, air baffle 11, assignment of traffic disk 12；
Base plate 5 is seated on ground；Metal containment 1 is seated on base plate 5；The outside of metal containment 1 sets
It is equipped with outer panel 4, outer panel 4 is seated on base plate 5, and outer panel 4 is connected by joint bar with base plate 5；Outward
Top board 6 is provided with side plate 4, top cooling water tank 7 is seated on top board 6 and just goes up positioned at metal containment 1
Side；Top cooling water 8 is stored in top cooling water tank 7；Lower air inlet 9 and upper discharge hole 10
On outer panel 4；Assignment of traffic disk 12 hangs welding on the top plate 6, and be located at top cooling water tank 7 with
Between metal containment 1；Air baffle 11 is welded on inside outer panel 4；
As shown in Fig. 2 described metal containment 1 is ellipse by the metal containment main body 13 of cylindrical tube shape and its two ends half
Spherical cover head 14 and bottom (head) 15 form, and its main body portion diameter is about 40m, and total height is about 60m,
Used by each several part, thickness of steel product is about 4.5cm；Metal containment 1 passes through metal containment bottom (head) 15 and base plate 5
Connect；
As shown in figure 3, described metal containment main body 13 by the retaining steel pipe column 16 uniformly arranged and its between
Intercolumniation plate 17 form；Intercolumniation cooling water 2 is stored in retaining steel pipe column 16；Described retaining steel pipe column 16
Quantity be 16, be evenly arranged around metal containment 1 planar central with 22.5 ° of spacing；Retaining steel pipe column 16
It is by the band edge of a wing seamless steel pipe of steel overall perfusion, the purpose on the edge of a wing is easy for welding with intercolumniation plate 17；
The a diameter of 1m of retaining steel pipe column 16, carries out after preservative treatment kiss-coating again, with anti-corrosion inside it.
As shown in figure 4, described cover head 14 is by plate 19, cover head top board between semicircle trough girder 18, beam
20 and trough girder stiffener 21 composition semi-ellipsoid shape；The lower end of semicircle trough girder 18 and corresponding retaining steel pipe
Post 16 upper end is welded, and the upper end of semicircle trough girder 18 is welded with cover head top board 20, semicircle trough girder 18
Side pass through beam between plate 19 connect, between beam, the upper end of plate 19 and cover head top board 20 weld, plate 19 between beam
Lower end weld with corresponding intercolumniation plate 17；Trough girder stiffener 21 is welded on semicircle trough girder 18, groove
The plane of type beam stiffener 21 is perpendicular to semicircle trough girder 18 axis.
The internal diameter 3m bigger than the diameter of metal containment 1 of described outer panel 4, external diameter 2.2m bigger than internal diameter about,
Highly（Count from the top surface of base plate 5）It is about 55m；Described outer panel 4 be internal with stainless steel lining,
It is applied with ring orientation prestress, there is cylinder-like structure compared with strong structure bearing capacity and radiation shielding capability；Institute
State top cooling water tank 7 to be supported on top board 6, using steel plate concrete structure, steel plate thickness takes 4.5cm,
Its capacity is about 3000 tons；Described intercolumniation cooling water 2 is the cooling fresh water of injection retaining steel pipe column 16；
Described containment internal structure 3 refers to various structures and the equipment being seated in metal containment 1；Described base plate 5
Main Function be basis as double containment, and under Accident prevention operating mode, radioactive substance expands to underground
Dissipate；Described top board 6 is as the shielding of metal containment 1 upside, and supports top cooling water tank 7；Described top
Cooling water tank 7 is supported on top board 6, for storing top cooling water 8；Described top cooling water 8 is located at upper
In portion's cooling water tank 7, for the passive cooling under accident conditions；Described lower air inlet 9, accident conditions
Under be used for importing cold air；Described upper discharge hole 10, is used for discharging hot-air under accident conditions；Described sky
Gas deflector 11, is used under accident conditions guiding the flow direction of air；Described assignment of traffic disk 12, accident conditions
Under be used for distributing top cooling water；
When the present invention uses, the first arrangement reinforcing bar of base plate 5 and template, by the bottom (head) 15 of metal containment 1 with
The reinforcing bar of base plate 5 firmly connects, subsequent bottom board 5 concrete；Press the annexation of each part afterwards again,
Layering is progressively built.After the completion of the present invention presses aforementioned order of connection construction, to retaining steel pipe column 16 and top
Cooling water tank 7 is injected separately into intercolumniation cooling water 2 and top cooling water 8.Under accident conditions, top cooling water
The valve opening of case 7, top cooling water 8 is uniformly sprayed on metal containment 1 by assignment of traffic disk 12,
Meanwhile, intercolumniation cooling water 2 starts to evaporate, and generates water vapour.Under air baffle 11 guiding, cold air
Introduce from bottom, take away vapor, space between upper discharge hole 10 and top cooling water tank 7 for the vapor
Discharge, and take away waste heat.By the intrinsic physical characteristic of water and air, the present invention can be quickly by accident work
The waste heat generating under condition enters in air, thus reducing the probability of the serious accidents such as fusible core generation.
Claims (7)
1. a kind of passive double containment with retaining steel pipe column it is characterised in that：This containment includes steel
Containment (1), outer panel (4), base plate (5), top board (6), top cooling water tank (7), on
Portion's cooling water (8), lower air inlet (9), upper discharge hole (10), air baffle (11),
Assignment of traffic disk (12)；
Described base plate (5) is seated on ground；Metal containment (1) is seated on base plate (5)；Steel safety
The outside of shell (1) is provided with outer panel (4), and outer panel (4) is seated on base plate (5)；Outer panel
(4) it is provided with top board (6) on, top cooling water tank (7) is seated top board (6) above and is located at steel peace
Directly over full shell (1)；Top cooling water (8) is stored in top cooling water tank (7)；Lower air inlet
(9) it is located on outer panel (4) with upper discharge hole (10)；Assignment of traffic disk (12) hangs and is welded on
On top board (6), and it is located between top cooling water tank (7) and metal containment (1)；Air baffle (11)
It is welded on inside outer panel (4)；
Described metal containment (1) is by the metal containment main body (13) of cylindrical tube shape and its two ends semielliptical shape
Cover head (14) and bottom (head) (15) composition, metal containment (1) passes through bottom (head) (15) and base plate (5)
Connect；
Described metal containment main body (13) by the retaining steel pipe column (16) uniformly arranged and its between intercolumniation
Plate (17) forms.
2. the passive double containment with retaining steel pipe column according to claim 1 it is characterised in that：
Intercolumniation cooling water (2) is stored in described retaining steel pipe column (16).
3. the passive double containment with retaining steel pipe column according to claim 1 it is characterised in that：
The quantity of described retaining steel pipe column (16) is 16, with 22.5 ° of spacing around metal containment (1) planar central
It is evenly arranged.
4. the passive double containment with retaining steel pipe column according to claim 1 it is characterised in that：
Described retaining steel pipe column (16) is by the band edge of a wing seamless steel pipe of steel overall perfusion, carries out inside it
Kiss-coating again after preservative treatment.
5. the passive double containment with retaining steel pipe column according to claim 1 it is characterised in that：
Described cover head (14) is by plate (19), cover head top board (20) between semicircle trough girder (18), beam
The semi-ellipsoid shape forming with trough girder stiffener (21)；The lower end of semicircle trough girder (18) and corresponding retaining
Steel pipe column (16) upper end is welded, and the upper end of semicircle trough girder (18) is welded with cover head top board (20),
The side of semicircle trough girder (18) is passed through plate (19) between beam and is connected, the upper end of plate (19) and closedtop between beam
Crown plate (20) welds, and between beam, the lower end of plate (19) is welded with corresponding intercolumniation plate (17)；Trough girder
Stiffener (21) is welded on semicircle trough girder (18), the plane of trough girder stiffener (21) perpendicular to
Semicircle trough girder (18) axis.
6. the passive double containment with retaining steel pipe column according to claim 1 it is characterised in that：
Described outer panel (4) is that inside carries stainless steel lining, is applied with ring orientation prestress, has and hold compared with strong structure
Loading capability and the cylinder-like structure of radiation shielding capability.
7. the passive double containment with retaining steel pipe column according to claim 1 it is characterised in that：
Described outer panel (4) is connected by joint bar with base plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310012254.0A CN103928063B (en) | 2013-01-14 | 2013-01-14 | Non-active double-layer containment with water storage steel pipe column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310012254.0A CN103928063B (en) | 2013-01-14 | 2013-01-14 | Non-active double-layer containment with water storage steel pipe column |
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| CN103928063A CN103928063A (en) | 2014-07-16 |
| CN103928063B true CN103928063B (en) | 2017-02-22 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578827A (en) * | 2016-07-04 | 2018-01-12 | 国家电力投资集团公司 | Containment cooling system |
| CN106816184B (en) * | 2017-03-02 | 2018-05-08 | 华北电力大学 | A kind of system for preventing nuclear power station radioactive grain product from spreading |
| CN107039091B (en) * | 2017-03-31 | 2018-08-31 | 哈尔滨工程大学 | Three generations's nuclear power station shields workshop water-filling multi-layer box structure |
| CN107527662A (en) * | 2017-08-25 | 2017-12-29 | 上海核工程研究设计院有限公司 | A kind of passive double containment of band segmentation self-contained water tank |
| CN107331423A (en) * | 2017-08-25 | 2017-11-07 | 上海核工程研究设计院有限公司 | The passive double containment of lateral water tank is connected above and below a kind of band |
| CN111370150B (en) * | 2020-03-17 | 2022-02-11 | 中国核动力研究设计院 | Outer wall flow equalizing structure for containment vessel |
| CN113035387B (en) * | 2021-03-05 | 2022-11-18 | 哈尔滨工程大学 | PCS (Power distribution System) long-term cooling water tank capable of operating efficiently |
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| CN203070784U (en) * | 2013-01-14 | 2013-07-17 | 上海核工程研究设计院 | Non-active double layer containment with water storage steel pipe column |
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| US5169596A (en) * | 1992-03-06 | 1992-12-08 | Westinghouse Electric Corp. | Large panel design for containment air baffle |
| RU2271585C1 (en) * | 2004-09-28 | 2006-03-10 | Федеральное государственное унитарное предприятие "Научно-исследовательский, проектно-конструкторский и изыскательский институт "Атомэнергопроект" | Air cooling device for nuclear-reactor passive heat transfer system |
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