CN203129348U - Corrugated steel foamed aluminum protection armour for preventing impact of flying projectile objects of nuclear power plant shielding plant - Google Patents
Corrugated steel foamed aluminum protection armour for preventing impact of flying projectile objects of nuclear power plant shielding plant Download PDFInfo
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- CN203129348U CN203129348U CN 201320017144 CN201320017144U CN203129348U CN 203129348 U CN203129348 U CN 203129348U CN 201320017144 CN201320017144 CN 201320017144 CN 201320017144 U CN201320017144 U CN 201320017144U CN 203129348 U CN203129348 U CN 203129348U
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Abstract
The utility model belongs to the technical field of nuclear power safe structural designs and particularly relates to a corrugated steel foamed aluminum protection armour for preventing impact of flying projectile objects of a nuclear power plant shielding plant. The corrugated steel foamed aluminum protection armour for preventing impact of flying projectile objects of nuclear power plant shielding plant comprises corrugated steel plates and foamed aluminum, wherein the corrugated steel plates are arranged on the shielding plant, the corrugated steel plates are of a triangular corrugated shape, the foamed aluminum is filled between the corrugated steel plates and the shielding plant, the corrugated steel plates are of an equicrural triangle corrugated shaped, the angle of a top angle is 30 degrees-60 degrees, and an optimization angle is 45 degrees. The foamed aluminum is made of aluminum alloy of T2 series, and a void ratio is 50%. The corrugated steel plate is large in elasticity modulus and has strong tenacity and plastic deformation capacity, and the foamed aluminum is low in elasticity modulus and has good deformation capacity. When the corrugated steel plates and the foamed aluminum are used together, the corrugated steel plates are capable of mainly achieving the function of preventing the flying projectile objects from directly piercing and weakening a high-frequency impact peak value, and the foamed aluminum is capable of achieving the function of absorbing power of the flying projectile objects and weakening a load value of impact load platform section through self large deformation.
Description
Technical field
The utility model belongs to nuclear power safeguard construction design field, is specifically related to the anti-thing bump corrugated steel foamed aluminium protection plate armour that flies of a kind of nuclear power plant shielding factory building.
Background technology
Containment/shielding factory building is the most important structure of nuclear power plant, and its major function is after imaginary design basis accident, bears interior pressure, contains the airborne radioactivity releaser, and provides barrier at normal operation period for reactor core and coolant system.Containment/shielding factory building also is the heating power border of reactor, has the function that the heat that will produce after the design basis accident enters atmosphere, prevents superpressure.Simultaneously, containment/shielding factory building shields to the containment internal construction, prevents that the large-scale things that fly such as outside adverse circumstances such as cyclone and aircraft are to the destruction of nuclear island.
At present comparatively popular containment/shielding factory building type mainly comprise prestressed concrete containment vessel in the band steel lining, the double containment formed by prestressed concrete containment vessel and ordinary concrete containment and shield the common double containment of forming of factory building by metal containment and reinforcing bar/prestressed reinforced concrete.
Since 9.11 events, the nuclear safety field begins to consider that large commercial aircraft etc. is large-scale flies thing bump nuclear power plant and produce under the deflagration accident having protection to nuclear power plant.To the domestic newly-built nuclear power plant of the U.S., NRC(U.S. nuclear pipe meeting) propose clearly in design, to consider that Chinese People's Anti-Japanese Military and Political College's type commercial aircraft clashes into, also to the U.S. domestic carried out special assessment using as a servant nuclear power plant.Though China nuclear safety office does not resist the large commercial aircraft impact and proposes to expressly provide, has indicated Shanghai Institute of Nuclear Engineering to carry out the research work of the anti-aircraft impact of nuclear power plant in the design of CAP1000 power plant and CAP1400 power plant yet.
Because the threat of the attack of terrorism considers that to newly-built nuclear power plant with in labour nuclear power plant large commercial aircraft and other fly the thing bump and detonation has been trend of the times.
For tackling the large-scale threat that flies thing, the general employing thickeied containment/conventional methods such as shielding factory building in nuclear power plant's design, and this method can only be used for newly-built nuclear power plant, can't be used for active service nuclear power plant.
Summary of the invention
The purpose of this utility model is to provide a kind of nuclear power plant shielding factory building the anti-thing bump corrugated steel foamed aluminium protection plate armour that flies, to overcome the deficiency that prior art exists.
For achieving the above object, technical solution adopted in the utility model is:
The anti-thing bump corrugated steel foamed aluminium protection plate armour that flies of a kind of nuclear power plant shielding factory building comprises corrugated steel, foamed aluminium; Corrugated steel is arranged on the shielding factory building, and corrugated steel is triangle ripple shape; Between corrugated steel and shielding factory building, fill up foamed aluminium.
Described corrugated steel is the isosceles triangle corrugated.
The drift angle angle of described isosceles triangle is 30 °-60 °.
Described drift angle angle is 45 °.
The intersection of adjacent two corrugated steels suitably extends overlapping.
Described corrugated steel is fixedlyed connected with the shielding factory building by connector.
Described connector is screw bolt and nut.
Described corrugated steel thickness is 20mm, adopts GB Q345 steel plate, and surface lacquer carries out antirust processing.
Described foamed aluminium adopts the T2 series alloys, and air space ratio is 50%.
The obtained beneficial effect of the utility model is:
Anti-armoring corrugated steel and the foamed aluminium of using of thing bump corrugated steel foamed aluminium protection that fly of nuclear power plant described in the utility model shielding factory building is as main armoring raw material, directly be connected with containment/shielding factory building by bolt or built-in fitting, simple structure, with low cost, it is convenient to install and replace;
Its corrugated steel modulus of elasticity is bigger, has stronger toughness and plastic deformation ability, and the foamed aluminium modulus of elasticity is lower, has deformability preferably; During the two common use, corrugated steel mainly plays and prevents from flying the effect that thing directly penetrated, weakened high frequency bump peak value, and foamed aluminium plays the effect that flies thing kinetic energy, weakens impact load platform section payload values that absorbs by the bigger distortion of self;
Corrugated steel is designed to corrugated, form outstanding zigzag safeguard structure on shielding factory building surface, can effectively cut and disperse rammer and load, a big chunk of the kinetic energy that flies thing is absorbed by the destruction that flies thing self, minimizing can also increase effective retardance thickness of steel plate to the effect of impact of shielding factory building; To the thing that flies perpendicular to shielding factory building exterior wall, under the same steel plate thickness, effective retardance thickness of the corrugated steel of 45 ° of inclinations is 1.41 times of plane steel plate, and effective retardance thickness of the corrugated steel of 30 ° of inclinations is 1.36 times of plane steel plate;
Compare with increasing shielding factory building thickness, missile roof crash better effects if of the present utility model does not need the structural configuration of factory building is too much revised yet; The utility model not only can protect and fly the thing bump, can also play protection effect to the detonation of clashing into the back generation; The utility model general only can generation safeguard structure behind bump destroyed, and safeguard structure uses bolt to connect, can be for convenience detach, maintenance and changing; The utility model is not only applicable to newly-built nuclear power plant, can be arranged in labour nuclear power plant yet.
Description of drawings
Fig. 1 flies thing bump corrugated steel foamed aluminium for nuclear power plant described in the utility model shielding factory building is anti-and protects armoring longitudinal plan;
Among the figure: 1, corrugated steel; 2, foamed aluminium; 3, connector; 4, shielding factory building.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As shown in Figure 1, the anti-thing bump corrugated steel foamed aluminium protection plate armour that flies of nuclear power plant's shielding factory building described in the utility model comprises corrugated steel 1, foamed aluminium 2, connector 3; Be furnished with corrugated steel 1 on the shielding factory building 4, corrugated steel 1 is the isosceles triangle corrugated, and its drift angle angle is 30 °-60 °, is preferably 45 °, and the intersection of adjacent two corrugated steels 1 suitably extends overlapping; Corrugated steel 1 is fixedlyed connected with shielding factory building 4 by connector 3, prevents that corrugated steel 1 breaks away from; Between corrugated steel 1 and shielding factory building 4, fill up foamed aluminium 2.
Described corrugated steel 1, thickness are 20mm, adopt GB Q345 steel plate, and surface lacquer carries out antirust processing; Described foamed aluminium 2 adopts the T2 series alloys that void ratio is big, intensity is moderate, and air space ratio is 50%, has strong energy absorption capability; Simultaneously, because its fusing point is lower and have loose cavernous structure, can weaken the energy of shock wave, can also absorb a large amount of detonation heats by the fusion of self; Described connector 3 is screw bolt and nut of selecting by relevant GB.
When the utility model specifically uses, carry out armoring cloth postpone by aforementioned connected mode, if nuclear power plant's shielding factory building 4 is clashed into by the thing that flies of fair speed, suffer corrugated steel 1 and foamed aluminium 2 co-operation of impact site, play the effect that weakens load.Produce detonation if fly thing bump back, because foamed aluminium 2 fusing points are lower and have loose cavernous structure, can weaken the energy of shock wave, can also absorb a large amount of detonation heats by self fusing, prevent that detonation is to the direct destruction of shielding factory building 4.
Claims (9)
1. the anti-thing bump corrugated steel foamed aluminium that flies of nuclear power plant's shielding factory building protects plate armour, and it is characterized in that: this protection plate armour comprises corrugated steel (1), foamed aluminium (2); Corrugated steel (1) is arranged on the shielding factory building (4), and corrugated steel (1) is triangle ripple shape; Between corrugated steel (1) and shielding factory building (4), fill up foamed aluminium (2).
2. the anti-thing bump corrugated steel foamed aluminium that flies of nuclear power plant's shielding factory building according to claim 1 protects plate armour, and it is characterized in that: described corrugated steel (1) is the isosceles triangle corrugated.
3. the anti-thing bump corrugated steel foamed aluminium that flies of nuclear power plant's shielding factory building according to claim 2 protects plate armour, and it is characterized in that: the drift angle angle of described isosceles triangle is 30 °-60 °.
4. the anti-thing bump corrugated steel foamed aluminium that flies of nuclear power plant's shielding factory building according to claim 3 protects plate armour, and it is characterized in that: described drift angle angle is 45 °.
5. the anti-thing bump corrugated steel foamed aluminium that flies of nuclear power plant's shielding factory building according to claim 1 protects plate armour, and it is characterized in that: the intersection of adjacent two corrugated steels (1) suitably extends overlapping.
6. the anti-thing bump corrugated steel foamed aluminium that flies of nuclear power plant's shielding factory building according to claim 1 protects plate armour, and it is characterized in that: described corrugated steel (1) is fixedlyed connected with shielding factory building (4) by connector (3).
7. the anti-thing bump corrugated steel foamed aluminium that flies of nuclear power plant's shielding factory building according to claim 6 protects plate armour, and it is characterized in that: described connector (3) is screw bolt and nut.
8. the anti-thing bump corrugated steel foamed aluminium that flies of nuclear power plant's shielding factory building according to claim 1 protects plate armour, and it is characterized in that: described corrugated steel (1) thickness is 20mm, adopts GB Q345 steel plate, and surface lacquer carries out antirust processing.
9. the anti-thing bump corrugated steel foamed aluminium that flies of nuclear power plant's shielding factory building according to claim 1 protects plate armour, and it is characterized in that: described foamed aluminium (2) adopts the T2 series alloys, and air space ratio is 50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320017144 CN203129348U (en) | 2013-01-14 | 2013-01-14 | Corrugated steel foamed aluminum protection armour for preventing impact of flying projectile objects of nuclear power plant shielding plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320017144 CN203129348U (en) | 2013-01-14 | 2013-01-14 | Corrugated steel foamed aluminum protection armour for preventing impact of flying projectile objects of nuclear power plant shielding plant |
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| CN203129348U true CN203129348U (en) | 2013-08-14 |
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| CN 201320017144 Expired - Lifetime CN203129348U (en) | 2013-01-14 | 2013-01-14 | Corrugated steel foamed aluminum protection armour for preventing impact of flying projectile objects of nuclear power plant shielding plant |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924701A (en) * | 2013-01-14 | 2014-07-16 | 上海核工程研究设计院 | Nuclear power plant shield workshop missile impact resisting corrugation steel plate foam aluminum protection armor |
| CN105908929A (en) * | 2016-05-06 | 2016-08-31 | 上海核工程研究设计院 | Shear thickening fluid protective armor device wrapped with high-performance fiber cloth |
| CN105971361A (en) * | 2016-05-06 | 2016-09-28 | 上海核工程研究设计院 | Corrugated steel plate-steel tube protection armor |
| CN105971362A (en) * | 2016-05-06 | 2016-09-28 | 上海核工程研究设计院 | Corrugated steel plate-porous metal protection armor |
| CN107288232A (en) * | 2017-08-25 | 2017-10-24 | 上海核工程研究设计院有限公司 | A kind of corrugated steel colloid Protective armor |
-
2013
- 2013-01-14 CN CN 201320017144 patent/CN203129348U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924701A (en) * | 2013-01-14 | 2014-07-16 | 上海核工程研究设计院 | Nuclear power plant shield workshop missile impact resisting corrugation steel plate foam aluminum protection armor |
| CN105908929A (en) * | 2016-05-06 | 2016-08-31 | 上海核工程研究设计院 | Shear thickening fluid protective armor device wrapped with high-performance fiber cloth |
| CN105971361A (en) * | 2016-05-06 | 2016-09-28 | 上海核工程研究设计院 | Corrugated steel plate-steel tube protection armor |
| CN105971362A (en) * | 2016-05-06 | 2016-09-28 | 上海核工程研究设计院 | Corrugated steel plate-porous metal protection armor |
| CN107288232A (en) * | 2017-08-25 | 2017-10-24 | 上海核工程研究设计院有限公司 | A kind of corrugated steel colloid Protective armor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |