CN112664012B - Protective armor for strengthening nuclear power plant and resisting airplane impact and nuclear power plant - Google Patents
Protective armor for strengthening nuclear power plant and resisting airplane impact and nuclear power plant Download PDFInfo
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- CN112664012B CN112664012B CN202011401176.XA CN202011401176A CN112664012B CN 112664012 B CN112664012 B CN 112664012B CN 202011401176 A CN202011401176 A CN 202011401176A CN 112664012 B CN112664012 B CN 112664012B
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to a protective armor for reinforcing a nuclear power plant to resist airplane impact and the nuclear power plant, wherein the protective armor for reinforcing the nuclear power plant to resist the airplane impact comprises an energy consumption layer which is arranged on the outer wall of a nuclear power plant wall and is used for resisting stress deformation and energy consumption, a flame retardant layer which is arranged on one side of the energy consumption layer, far away from the nuclear power plant wall, and is used for preventing airplane fuel oil from permeating and retarding flame, a conductive layer which is arranged on one side of the flame retardant layer, opposite to the energy consumption layer, and is used for transmitting impact force, and a dense rib box type concrete structure layer which is arranged on one side of the conductive layer, opposite to the flame retardant layer. The combined component armor for preventing the aircraft from impacting is strengthened to construct a first barrier aiming at the structure arranged in the existing nuclear power plant, the impact force is transmitted to the original structural outer wall after the combined component armor is fully deformed, a multi-level defense system is formed by the combined component armor and the existing nuclear power plant room wall body, and the overall defense capacity of the whole nuclear power plant for protecting the aircraft from impacting is improved.
Description
Technical Field
The invention relates to the technical field of nuclear power plant structures, in particular to a protective armor for strengthening a nuclear power plant and resisting airplane impact and the nuclear power plant.
Background
The nuclear power plant is one of the main characteristics of the three-generation nuclear reactor type in the world for resisting the impact of large commercial airplanes, and at present, each country has clear requirements on newly designed nuclear power plants considering the impact of the large commercial airplanes. The design of a large commercial aircraft impacting a nuclear power plant mainly considers the influence on an item for executing a safety function and prevents the serious consequence of radioactive leakage generated after the impact. With the departure of HAF102 under the national nuclear safety guide, the requirements of the supervision department on nuclear safety are higher and higher, and the existing second generation and the former heap type are inevitably required to carry out large-scale commercial airplane collision protection.
The existing stack type in the second generation plus and before only considers the impact of a small airplane, the thickness of the outer wall facing the air is generally about 0.8m and is far lower than about 1.4m of the defense outer wall of Hualongyi, and the stack type does not have the capability of resisting large commercial airplanes.
Disclosure of Invention
The invention aims to solve the technical problem of providing a protective armor for strengthening a nuclear power plant and resisting airplane impact and the nuclear power plant.
The technical scheme adopted by the invention for solving the technical problems is as follows: the protective armor for strengthening nuclear power plant and resisting airplane impact comprises an energy consumption layer which is arranged on the outer wall of a wall body of the nuclear power plant and used for stress deformation energy consumption, wherein the energy consumption layer is arranged to be far away from one side of the wall body of the nuclear power plant and used for preventing airplane fuel oil from permeating and resisting flame, the flame retardant layer is arranged on one side, opposite to the energy consumption layer, of the flame retardant layer and is used for conducting impact force, and the dense rib box type concrete structure layer is arranged on one side, opposite to the flame retardant layer, of the flame retardant layer.
Preferably, the thickness of the energy consumption layer is 150-200 mm.
Preferably, the thickness of the energy consuming layer is 150 mm.
Preferably, the energy consuming layer comprises a rubber sheet.
Preferably, the thickness of the flame-retardant layer is 10-15 mm.
Preferably, the thickness of the flame retardant layer is 10 mm.
Preferably, the conducting layer comprises a plate-shaped main body, a side plate extends outwards from the plate-shaped main body, the side plate main body and the side plate form a semi-surrounding structure, and concrete is filled in the semi-surrounding structure to form the ribbed box type concrete structure layer.
Preferably, the thickness of the plate-shaped main body is 12-16 mm.
Preferably, the thickness of the plate-like body is 14 mm.
Preferably, the thickness of the side plate is 10-14 mm.
Preferably, the thickness of the side plate is 10 mm.
Preferably, the conductive layer is a metallic piece.
Preferably, the concrete is filled with a plurality of high strength plastic modules.
Preferably, at least one pair of supporting plates is arranged on the plate-shaped main body, at least one pair of clamping plates is arranged on one side of the at least one pair of supporting plates, which is far away from the plate-shaped main body, and each high-strength plastic module is clamped by the at least one pair of clamping plates.
Preferably, the at least one pair of support plates includes a first support plate and a second support plate, the first support plate and the second support plate are in an L-shaped structure, and each support plate includes a vertical arm and a cross arm vertically connected to the vertical arm, the vertical arms of the first support plate and the second support plate are spaced and parallel and vertically arranged on the plate-shaped main body, and the cross arms of the first support plate and the second support plate are oppositely arranged in an extending manner;
at least a pair of grip block includes first grip block and second grip block, first grip block with the second grip block is L shape structure, all include the riser and with the perpendicular diaphragm of connecting of riser, first grip block with the riser interval of second grip block is parallel and is located perpendicularly first backup pad with on the xarm of second backup pad, first grip block with the diaphragm of second grip block sets up relatively and forms the confession the centre gripping space of high strength plastic module installation.
Preferably, the concrete comprises a prestressed concrete structure or a steel fibre concrete structure.
Preferably, the shear nail is used for connecting the conductive layer and the ribbed box type concrete structure layer.
The nuclear power plant comprises a nuclear power plant wall body, wherein the outer wall of the nuclear power plant wall body is provided with a plurality of protective armors for reinforcing the nuclear power plant to resist airplane impact.
Preferably, the thickness of each protective armor for reinforcing the nuclear power plant to resist airplane impact is 450-500 mm.
Preferably, the side faces of the protective armor for reinforcing the nuclear power plant to resist airplane impact are connected with each other and then are mounted on the outer wall of the nuclear power plant wall through adhesives or fasteners.
The implementation of the invention has the following beneficial effects: the protective armor for reinforcing and resisting the airplane impact in the nuclear power plant aims at the structure of the existing nuclear power plant, a first barrier is constructed by reinforcing the combined component armor for resisting the airplane impact, the impact force is transmitted to the original structural outer wall after the first barrier is fully deformed, a multi-level defense system is formed by the protective armor and the existing nuclear power plant room wall, and the overall defense capacity of the whole nuclear power plant for preventing the airplane impact is improved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a side cross-sectional view of a protective armor of the present invention for strengthening a nuclear power plant against aircraft impact;
FIG. 2 is a schematic front view of the nuclear power plant reinforcing armor for protection against aircraft impact of the present invention;
FIG. 3 is a schematic diagram of a nuclear power plant wall body matched with a protective armor for reinforcing the nuclear power plant to resist airplane impact.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it is to be understood that the orientations and positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "leading", "trailing", and the like are configured and operated in specific orientations based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate that the device or element referred to must have a specific orientation, and thus, are not to be construed as limiting the present invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-3, the protective armor for reinforcing a nuclear power plant to resist airplane impact comprises an energy consumption layer 1 which is arranged on the outer wall of a nuclear power plant wall 200 and used for deformation under stress and energy consumption, a flame retardant layer 2 which is arranged on one side of the energy consumption layer 1, which is far away from the nuclear power plant wall 200, and used for preventing airplane fuel oil from permeating and retarding flame, a conductive layer 3 which is arranged on one side of the flame retardant layer 2, which is opposite to the energy consumption layer 1, and used for transmitting impact force, and a dense rib box type concrete structure layer 4 which is arranged on one side of the conductive layer 3, which is opposite to the flame retardant layer 2.
In the embodiment, the thickness of the protective armor for reinforcing the nuclear power plant to resist the airplane impact is 450-500 mm. Preferably 450mm, the defense capability can be improved, and meanwhile, the manufacturing cost can be saved.
In this embodiment, the energy dissipation layer 1, the flame retardant layer 2 and the conductive layer 3 may be fixed by an adhesive.
In the embodiment, the thickness of the energy consumption layer 1 is 150-200 mm, and preferably, the thickness of the energy consumption layer 1 is 150 mm. The energy dissipation layer 1 is made of rubber plates, the energy dissipation layer 1 is made of other high-polymer materials with large deformation energy dissipation, and when the protective armor is impacted, the energy dissipation layer 1 is deformed greatly to conduct impact force to the wall of the original nuclear power plant as far as possible.
The thickness of the flame-retardant layer 2 is 10-15 mm, preferably, the thickness of the flame-retardant layer 2 is 10mm, in this embodiment, the flame-retardant layer 2 is made of an impermeable flame-retardant material, and may be made of a fireproof plate, or made of polyvinyl chloride, perchloroethylene, chlorinated rubber, neoprene latex, epoxy resin, phenolic resin, or the like.
Further, the conducting layer 3 comprises a plate-shaped main body 31, a side plate 32 extends outwards from the plate-shaped main body 31, the side plate 32 and the side plate 32 form a semi-enclosed structure, the semi-enclosed structure is approximately a square structure with an opening, and concrete 41 is filled in the semi-enclosed structure to form the ribbed box type concrete structure layer 4.
In the present embodiment, the thickness of the plate-like body 31 is 12 to 16mm, and preferably, the thickness of the plate-like body 31 is 14 mm. The thickness of the side plate 32 is 10-14 mm, and preferably, the thickness of the side plate 32 is 10 mm.
Further, the conductive layer 3 is a metal member, such as a steel plate.
Further, the concrete 41 is filled with a plurality of high-strength plastic modules 42.
Furthermore, at least one pair of supporting plates 43 is disposed on the plate-shaped main body 31, at least one pair of clamping plates 44 is disposed on the side of the at least one pair of supporting plates away from the plate-shaped main body 31, and each high-strength plastic module 42 is clamped by the at least one pair of clamping plates 44.
Preferably, the at least one pair of support plates 43 includes a first support plate 431 and a second support plate 432, the first support plate 431 and the second support plate 432 are in an L-shaped structure and each include a vertical arm and a horizontal arm vertically connected to the vertical arm, the vertical arms of the first support plate 431 and the second support plate 432 are spaced and arranged in parallel and vertically on the plate-shaped body 31, the horizontal arms of the first support plate 431 and the second support plate 432 are oppositely extended, the at least one pair of clamping plates 44 includes a first clamping plate 441 and a second clamping plate 442, the first clamping plate 441 and the second clamping plate 442 are in an L-shaped structure and each include a vertical plate and a horizontal plate vertically connected to the vertical plate, the vertical plates of the first clamping plate 441 and the second clamping plate 442 are spaced and arranged in parallel and vertically on the horizontal arms of the first support plate 431 and the second support plate 432, and the horizontal plates of the first clamping plate 441 and the second clamping plate 442 are arranged opposite to form a clamping space for mounting the high-strength plastic module 42.
The first and second support plates 431 and 432 may be formed of an elongated angle steel extending in the longitudinal direction or the width direction of the plate-shaped body 31, and the first and second holding plates 441 and 442 may be formed of a short elongated angle steel disposed on the side of the elongated angle steel away from the plate-shaped body 31.
In this embodiment, three groups of supporting plates 43 may be arranged, and 3 groups of clamping plates 44 are arranged in parallel at intervals in each group of supporting plates 43, so that 9 high-strength plastic modules 42 are arranged in each ribbed box type concrete structure layer 4, and the high-strength plastic modules 42 are of a hollow structure, which can effectively reduce weight and save cost, and can be made of modified polypropylene or similar high polymer materials.
Preferably, the concrete 41 comprises a prestressed concrete structure or a steel fiber concrete structure, and it is understood that the concrete 41 may have steel fibers added thereto, and the volume fraction of the steel fibers is generally not less than 1%.
Furthermore, the shear nails 5 are used for connecting the conductive layer 3 and the ribbed box type concrete structure layer 4, the shear nails 5 are arranged at intervals and can be arranged according to 150-300 mm, the connection between the concrete 41 and the conductive layer 3 such as a steel plate can be improved, and the shear force can be transmitted. The thickness of the ribbed box type concrete structural layer 4 is approximately 276 mm.
In this embodiment, for ease of construction, the armor may be 1mx1m, and multiple armor units may be assembled together and attached to the nuclear power plant wall 200 with fasteners or adhesives.
The protective armor for reinforcing the nuclear power plant to resist the airplane impact has excellent performance under the airplane impact and light weight. The large deformation of the energy consumption layer 1 (such as rubber) enables the impact force transmitted by the conductive layer 3 (such as a steel plate) to be transmitted to the original nuclear power plant as evenly as possible. The finally formed composite hanging plate anti-collision system can effectively improve the defense performance of the original nuclear power plant.
As shown in fig. 3, the nuclear power plant comprises a nuclear power plant wall 200, and a plurality of protective armor for reinforcing the nuclear power plant to resist airplane impact are arranged on the outer wall of the nuclear power plant wall. The thickness of each protective armor for reinforcing each nuclear power plant to resist airplane impact is 450-500 mm.
The protective armor for reinforcing the side faces of the nuclear power plants to resist airplane impact is mounted on the outer wall of the nuclear power plant wall body 200 through adhesives or fasteners after being connected with each other, hangers and the like can be arranged on the outer wall of the existing nuclear power plant in a dry-hanging mode, and the effect of improving the impact resistance is achieved. The adhesive can be chemical glue, and the fastening piece can be a screw, a bolt or a cylindrical pin and the like.
It is to be understood that the foregoing examples, while indicating the preferred embodiments of the invention, are given by way of illustration and description, and are not to be construed as limiting the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (18)
1. The protective armor for strengthening nuclear power plants and resisting airplane impact is characterized by comprising an energy consumption layer (1) which is arranged on the outer wall of a nuclear power plant wall body (200) and used for resisting stress deformation and energy consumption, a flame retardant layer (2) which is arranged on one side of the energy consumption layer (1) far away from the nuclear power plant wall body (200) and used for preventing airplane fuel oil permeation and retarding flame, a conductive layer (3) which is arranged on one side of the flame retardant layer (2) opposite to the energy consumption layer (1) and used for conducting impact force, and a ribbed box type concrete structure layer (4) which is arranged on one side of the conductive layer (3) opposite to the flame retardant layer (2);
the conducting layer (3) comprises a plate-shaped main body (31), a side plate (32) extends outwards from the plate-shaped main body (31), the side plate (32) main body and the side plate (32) form a semi-surrounding structure, and concrete (41) is filled in the semi-surrounding structure to form the ribbed box type concrete structure layer (4);
the steel-reinforced concrete composite structure is characterized by further comprising shear nails (5) connected with the conducting layer (3) and the ribbed box type concrete structure layer (4), wherein the shear nails (5) are arranged at intervals, and the distance is 150-300 mm.
2. The protective armor for strengthening nuclear power plants against airplane impact according to claim 1, characterized in that the thickness of the energy consumption layer (1) is 150-200 mm.
3. The protective armor for strengthening nuclear power plants against aircraft impacts according to claim 2, characterized in that the thickness of said energy consumption layer (1) is 150 mm.
4. The protective armor for nuclear power plant consolidation against aircraft impacts according to claim 1, characterized in that said energy consuming layer (1) comprises a rubber sheet.
5. The protective armor for strengthening a nuclear power plant and resisting airplane impact according to claim 1, wherein the thickness of the flame-retardant layer (2) is 10-15 mm.
6. The protective armor for strengthening a nuclear power plant against aircraft impacts according to claim 5, characterized in that the thickness of said fire-retardant layer (2) is 10 mm.
7. The protective armor for strengthening a nuclear power plant against aircraft impact according to claim 1, characterized in that the thickness of the plate-shaped body (31) is 12-16 mm.
8. The armor for nuclear power plant consolidation against aircraft impacts according to claim 7, characterized in that said plate-like body (31) has a thickness of 14 mm.
9. The protective armor for reinforcing nuclear power plants against aircraft impact according to claim 1, wherein the thickness of the side plates (32) is 10-14 mm.
10. The protective armor for nuclear power plants to reinforce against aircraft strikes according to claim 9, characterized in that said side plates (32) have a thickness of 10 mm.
11. The nuclear power plant reinforcement armor for protection against aircraft impacts according to claim 7, characterized in that said conductive layer (3) is a metal piece.
12. The protective armor for nuclear power plants to reinforce against aircraft impacts according to claim 1, characterized in that said concrete (41) is filled with a plurality of high-strength plastic modules (42).
13. The armor of claim 12, wherein the plate-like body (31) has at least one pair of support plates (43) disposed thereon, the support plates having at least one pair of clamping plates (44) disposed on a side thereof remote from the plate-like body (31), each of the high-strength plastic modules (42) being clamped by the at least one pair of clamping plates (44).
14. The protective armor for reinforcing nuclear power plants against aircraft impacts according to claim 13, characterized in that said at least one pair of supporting plates (43) comprises a first supporting plate (431) and a second supporting plate (432), said first supporting plate (431) and said second supporting plate (432) are in an L-shaped structure, each of which comprises a vertical arm and a cross arm perpendicularly connected with said vertical arm, said first supporting plate (431) and said vertical arm of said second supporting plate (432) are arranged on said plate-shaped body (31) in parallel and perpendicularly at intervals, and said first supporting plate (431) and said cross arm of said second supporting plate (432) are arranged to extend oppositely;
the pair of clamping plates (44) comprises a first clamping plate (441) and a second clamping plate (442), the first clamping plate (441) and the second clamping plate (442) are in an L-shaped structure and respectively comprise a vertical plate and a transverse plate vertically connected with the vertical plate, the vertical plates of the first clamping plate (441) and the second clamping plate (442) are spaced in parallel and vertically arranged on cross arms of the first supporting plate (431) and the second supporting plate (432), and the transverse plates of the first clamping plate (441) and the second clamping plate (442) are oppositely arranged to form a clamping space for the high-strength plastic module (42) to be installed.
15. The protective armor for nuclear power plant consolidation against aircraft impacts according to claim 1, characterized in that said concrete (41) comprises a prestressed concrete structure or a steel fiber concrete structure.
16. A nuclear power plant, characterized in that it comprises a nuclear power plant wall (200) provided on its outer wall with a plurality of protective armour for reinforcing the plant against aircraft impacts according to any of the preceding claims 1 to 15.
17. The nuclear power plant as recited in claim 16 wherein each of the protective armor reinforcing against aircraft impacts has a thickness of 450-500 mm.
18. The nuclear power plant as claimed in claim 16 wherein a plurality of said plants are attached to the outside of the wall (200) by adhesive or fasteners after the sides of the armor reinforced against aircraft impact have been interconnected.
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| CN202011401176.XA CN112664012B (en) | 2020-12-03 | 2020-12-03 | Protective armor for strengthening nuclear power plant and resisting airplane impact and nuclear power plant |
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| CN202011401176.XA CN112664012B (en) | 2020-12-03 | 2020-12-03 | Protective armor for strengthening nuclear power plant and resisting airplane impact and nuclear power plant |
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| CN112664012B true CN112664012B (en) | 2022-08-09 |
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| EP2163705A2 (en) * | 2008-09-16 | 2010-03-17 | Konrad Lehrhuber | Wall cladding with filling material and function layer |
| CN203129347U (en) * | 2013-01-14 | 2013-08-14 | 上海核工程研究设计院 | Plane steel plate foamed aluminum protection armour for preventing impact of flying projectile objects of nuclear plant shielding plant |
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