CN114856150A - Nuclear power station reactor pressure vessel and steam generator connecting hook operation platform - Google Patents
Nuclear power station reactor pressure vessel and steam generator connecting hook operation platform Download PDFInfo
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- CN114856150A CN114856150A CN202110154404.6A CN202110154404A CN114856150A CN 114856150 A CN114856150 A CN 114856150A CN 202110154404 A CN202110154404 A CN 202110154404A CN 114856150 A CN114856150 A CN 114856150A
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- 229910000831 Steel Inorganic materials 0.000 claims description 157
- 239000010959 steel Substances 0.000 claims description 157
- 238000003466 welding Methods 0.000 claims description 20
- 238000004806 packaging method and process Methods 0.000 claims description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims description 14
- 239000010935 stainless steel Substances 0.000 claims description 14
- 230000008878 coupling Effects 0.000 abstract description 14
- 238000010168 coupling process Methods 0.000 abstract description 14
- 238000005859 coupling reaction Methods 0.000 abstract description 14
- 241000282326 Felis catus Species 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 13
- 238000004080 punching Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 210000005069 ears Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
- E04G3/243—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons following the outside contour of a building
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
- E04G3/26—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons specially adapted for working on roofs
- E04G3/265—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons specially adapted for working on roofs with means to adapt it to a variable pitch of the roof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/041—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffolds on roof frameworks or on roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/08—Scaffold boards or planks
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/10—Steps or ladders specially adapted for scaffolds
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/14—Railings
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C13/00—Pressure vessels; Containment vessels; Containment in general
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention belongs to an operation platform, and particularly relates to a hook-connected operation platform for a reactor pressure vessel and a steam generator of a nuclear power station. A nuclear power station reactor pressure vessel and steam generator coupling operation platform comprises a pressure vessel body, wherein a platform component is arranged at the top end of the pressure vessel body, a connecting ladder stand is arranged at the front end of the platform component, and the connecting ladder stand forms a channel from the platform component to the ground; still include steam generator, steam generator top sets up steam generator platform subassembly, sets up steam generator's the connection cat ladder at steam generator platform subassembly foremost, this steam generator's connection cat ladder and passageway a intercommunication. The invention has the following remarkable effects: the invention solves the problems that arc-shaped areas at the tops of the pressure vessel and the steam generator are easy to step on and slip, and personnel are unstable and fall from high altitude; the risk that the operating point is positioned above the side of the human body, the force is inconvenient for personnel, and the operation is difficult is solved.
Description
Technical Field
The invention belongs to an operation platform, and particularly relates to a hook-connected operation platform for a reactor pressure vessel and a steam generator of a nuclear power station.
Background
In the installation of large components of nuclear power plants, the pressure vessels and steam generators weigh several hundred tons, for which the transport installation risks are significantly increased compared to other installation risks. In the process of connecting a pressure vessel and a steel wire rope head of a steam generator under a 0-meter gantry crane and installing and detaching the steel wire rope head on a 17.5-meter platform, the weight of the steel wire rope head reaches 617.5 kg, the steel wire rope head needs to be hooked on the 0-meter gantry crane and unhooked on the seventeen-meter platform, meanwhile, the pressure vessel and the steam generator need to be operated, and the ground is 5.064 meters and 22.564 meters high, so that the steel platform needs to be manufactured as an auxiliary to reduce the hoisting operation risk in the construction process, the previous construction method is to build a scaffold platform on the ground of 0 meter for construction, 17.5 meters of fences are additionally arranged on a large body, the method only serves as simple protection, and the risk is still high during operation and construction.
Disclosure of Invention
The invention provides a reactor pressure vessel and steam generator connecting hook operating platform for a nuclear power station, aiming at the defects of the prior art.
The invention is realized by the following steps:
a nuclear power station reactor pressure vessel and steam generator coupling operation platform comprises a pressure vessel body, wherein a platform component is arranged at the top end of the pressure vessel body, a connecting ladder stand is arranged at the front end of the platform component, and the connecting ladder stand forms a channel from the platform component to the ground; still include steam generator, steam generator top sets up steam generator platform subassembly, sets up steam generator's the connection cat ladder at steam generator platform subassembly foremost, this steam generator's connection cat ladder and passageway a intercommunication.
The reactor pressure vessel and steam generator coupling operation platform for the nuclear power plant comprises a large steel platform, a small steel platform, a passageway platform and a passageway, wherein the passageway is connected with a connecting ladder stand and is connected with the passageway platform, the small steel platform and the large steel platform at one time.
The reactor pressure vessel and steam generator coupling operation platform for the nuclear power plant is characterized in that the pressure vessel body is further provided with a support hoop, and the support hoop is arranged at the end part of the pressure vessel body.
The reactor pressure vessel and steam generator coupling operation platform for the nuclear power plant is characterized in that the pressure vessel body is further provided with a nozzle side packaging hoop, and the nozzle side packaging hoop is arranged around the pressure vessel body.
The reactor pressure vessel and steam generator coupling operation platform for the nuclear power station is characterized in that the pressure vessel body is further provided with a pressure vessel tail packaging hoop, and the pressure vessel tail packaging hoop is arranged around the pressure vessel body.
The reactor pressure vessel and steam generator coupling operation platform for the nuclear power station is characterized in that the connecting ladder stand is formed by welding stainless steel pipes with the diameter of 48 multiplied by 3mm and stainless steel pipes with the diameter of 30 multiplied by 2mm, and flat steel with the diameter of 50mm multiplied by 5mm is connected with the stainless steel through bolts with the diameter of M12 multiplied by 45mm to form a movable guardrail.
The reactor pressure vessel and steam generator coupling operation platform for the nuclear power plant is characterized in that the support hoop is formed by welding flat steel with the width of 100mm and the thickness of 5mm and square steel pipes with the side length of 80mm and the thickness of 6 mm.
The reactor pressure vessel and steam generator coupling operation platform for the nuclear power station comprises a small-diameter platform b, a small-diameter platform a, a passageway b, a diameter-variable platform, a large-diameter platform and a passageway a, wherein the passageway a is connected with a connecting ladder stand of the steam generator, and the other end of the passageway a is sequentially connected with the large-diameter platform, the diameter-variable platform, the passageway b, the small-diameter platform a and the small-diameter platform b.
The invention has the following remarkable effects: the invention solves the problems that arc-shaped areas at the tops of the pressure vessel and the steam generator are easy to step on and slip, and personnel are unstable and fall from high altitude; the risk that the operating point is positioned above the side of the human body, the force is inconvenient for personnel, and the operation is difficult is solved.
Drawings
FIG. 1: EPR1000 pressure vessel detaches hook safety platform is three-dimensional
FIG. 2: supporting hoop of pressure vessel coupling safety platform
FIG. 3: passageway of pressure vessel connecting hook safety platform
FIG. 4: passageway platform of pressure vessel linking hook safety platform
FIG. 5: nozzle side packaging hoop of pressure container coupling safety platform
FIG. 6: small steel platform of pressure vessel connecting hook safety platform
FIG. 7: pressure vessel tail packaging hoop of pressure vessel connecting hook safety platform
FIG. 8: large steel platform of pressure vessel coupling safety platform
FIG. 9: EPR steam generator platform is three-dimensional
FIG. 10 a: steam generator hook connecting passage a
FIG. 10 b: steam generator hook connecting passageway a
FIG. 11: steam generator connecting hook large-diameter platform
FIG. 12: steam generator connecting hook reducing platform
FIG. 13: steam generator hook connecting passage b
FIG. 14: steam generator connected hook small diameter platform a
FIG. 15: steam generator connected hook small-diameter platform b
FIG. 16: construction flow chart
Wherein: 10. the pressure vessel tail part is provided with an anchor ear, 20 nozzle side packaging anchor ears, 30 supporting anchor ears, 40 connecting ladder stands, 50 passageways, 60 passageway platforms, 70 small steel platforms, 80 large steel platforms, 90 pressure vessel bodies, 100 connecting ladder stands, 101 steel plates, 102 steel plate fastening steel wire rope heads, 103 bolts, 106 steel plates, 107 steel plates, 108 steel wire rope heads, 200 passageway a, 201 baffles, 202 steel plates, 203 bolts, 204 steel plate fastening steel wire rope heads, 205 steel plates, 207 steel plates, 209 steel plates, 300 large diameter platforms, 301 flat steel, 302 square steel tubes, 400 reducing platforms, 500 passageway b, 501 punching plates, 502 seamless steel tubes, 503 steel plates, 504 steel tubes, 505 square steel tubes, 600 small diameter platforms a, 601 seamless steel tubes, 604 square steel tubes, 605 steel square tubes, 607 steel angles, 608. The steel plate comprises a punched plate, 610 steel plates, 700 small-diameter platforms b, 701 punched plates, 703 square steel tubes, 706 steel plates, 708 steel plates, 800 steam generators, 801 seamless steel tubes, 802 punched plates, 803 steel plates, 804 steel plates, 805 square steel tubes, 806 seamless steel tubes, 807 bolts, 2001 square steel tubes, 2002 steel plates, 2004 steel plates, 2005 guardrail and border plates, 2006 steel plates, 2007 punched plates, 3001 square steel tubes, 3002 punched plates, 3003 steel plates, 3004 punched plates, 3005 steel plates, 4001 square steel tubes, 4002 parts, 4004 punched plates, 5001 square steel tubes, 5002 steel plates, 5003 punched plates, 5004 punched plates, 6001 square steel tubes, 6002 steel plates, 6003 steel plates, 6004 punched plates, 6005 steel plates, 7001 square steel tubes, 7002 punched plates, 7003 steel plates, 7004 punched plates.
Detailed Description
The present application provides a nuclear power plant reactor pressure vessel and steam generator hookup operations platform that is described in detail in the following two aspects.
1 Structure of special transportation construction platform
Pressure vessel coupling safety platform: the device consists of a pressure vessel body 90, a large steel platform 80, a small steel platform 70, a passageway platform 60, a passageway 50, a connecting ladder 40, a supporting hoop 30, a nozzle side packaging hoop 20 and a pressure vessel tail packaging hoop 10.
Steam generator even hook safety platform: the device comprises a steam generator 800, a small-diameter platform b700, a small-diameter platform a600, an aisle b500, a diameter-variable platform 400, a large-diameter platform 300, an aisle a200 and a connecting ladder stand 40.
The pressure vessel is connected with the hook safety platform: the pressure vessel comprises a pressure vessel body 90, a pressure vessel tail packaging hoop 10, a nozzle side packaging hoop 20 and a supporting hoop 30, wherein the connecting ladder 40 is formed by welding stainless steel pipes with the diameter of 48 multiplied by 3mm and stainless steel pipes with the diameter of 30 multiplied by 2mm, flat steel with the diameter of 50mm multiplied by 5mm is connected with stainless steel by bolts with the diameter of M12 multiplied by 45mm to form a movable guardrail, a passageway 50, a passageway platform 60, a small steel platform 70 and a large steel platform 80 are formed by welding stainless steel pipes with the diameter of 30 multiplied by 2mm to form guardrail outlines, drilling plates are formed by the stainless steel pipes with the diameter of 30 multiplied by 2mm to form a guardrail plate and a passageway 2 panel, a square steel pipe with the diameter of 80mm multiplied by 6mm is formed by the platform outline of the passageway 2, and angle steel with the diameter of 50 multiplied by 4mm is formed by an angle steel in the passageway 2 platform.
The material is prepared by welding a square steel pipe 605 with the side length of 80mm multiplied by 6mm with a steel plate 610 with the side length of 100mm multiplied by 5mm, welding the steel plate 610 with the side length of 100mm multiplied by 5mm with a seamless steel pipe phi 30mm multiplied by 2mm601, and welding a No. 5 angle steel 607 and a punching plate 608 with the square steel pipe 604 with the side length of 80mm multiplied by 6 mm.
The manufacturing materials are that a steel plate 207 with the thickness of 10mm is welded on steel plates 202 and 205 with the thickness of 10mm, M16 multiplied by 60mm bolts 203 are used for fastening the wire rope ends on a steel plate 204 with the thickness of 10mm, and the steel plates 209 with the thickness of 10mm and M30 multiplied by 80mm are fastened on a baffle plate 201 and matched with the support aisle platform 60.
The material is prepared by welding a square steel pipe 703 of 80mm length by 6mm thickness to steel plates 708, 706 of 100mm length by 5mm thickness, welding a steel plate 708 of 100mm length by 5mm thickness to a seamless steel pipe phi 30mm thickness by 2mm thickness 702, and welding a punching plate 701 to the square steel pipe 703 of 80mm length by 6mm thickness. M30 bolt 709 is used for connecting square steel pipe 703 with length of 80mm multiplied by thickness of 6 mm.
The manufacturing materials are that steel plates 106 and 107 with the thickness of 10mm are welded on the steel plate with the thickness of 10mm, a bolt 103 with the thickness of M16 multiplied by 60mm is used for fastening a steel wire rope head on a steel plate 102 with the thickness of 10mm, the steel plate 106 with the thickness of 10mm and a screw rod with the thickness of M16 multiplied by 80mm are fastened on the steel plates 106 and 107 with the thickness of 10mm in a matched mode for supporting the steel wire rope head 108, and a steel plate 101 with the thickness of 20mm and a steel platform with the thickness of M30 multiplied by 120mm are fastened and fixed.
The material was produced by welding a square steel pipe 805 having a length of 80mm × 6mm to steel plates 804 and 803 having a length of 100mm × 5mm, welding a steel plate 805 having a length of 100mm × 5mm to a seamless steel pipe Φ 30mm × 2mm801, and welding a punched plate 802 to a square steel pipe 805 having a length of 80mm × 6 mm. M30 bolt 807 is used to connect the square steel tube 805 with length 80mm x thickness 6mm, and the seamless steel tube phi 34mm x thickness 2mm806 is connected with the phi 30mm x thickness 2mm801 matched guardrail.
Steam generator operating platform: the movable guardrail is formed by welding a steam generator body 800 and a small-diameter platform b700 with a punching plate by a square steel pipe 40mm multiplied by 2mm, a small-diameter platform a600 with a punching plate by a square steel pipe 40mm multiplied by 2mm, a passageway a200 and a large-diameter platform 300 with a M12mm mm multiplied by 80mm bolt, a reducing platform 400, a large-diameter platform 300 and a passageway b500 with a M12mm mm bolt, a connecting ladder 100 with a stainless steel pipe phi 48 mm multiplied by 3mm and a stainless steel pipe phi 30mm multiplied by 2mm, and a 50mm multiplied by 5mm flat steel and stainless steel with a M12mm multiplied by 45mm bolt.
The manufacturing materials are welded and fixed by a square steel pipe 2001 guardrail with the side length of 40mm multiplied by 2mm and a steel plate 2002 with the thickness of 5mm, the punching plates 2002 and 2007 are welded and fixed with the square steel pipes 2001 and 2005 with the side length of 40mm multiplied by 2mm and the guardrails and the frames, and the steel plates 2006 and 2004 with the thickness of 5mm are welded with the square steel pipes 2001 and 2005 with the side length of 40mm multiplied by 2 mm.
The manufacturing materials are welded and fixed by a guardrail of a square steel pipe 3001 with the side length of 40mm multiplied by 2mm and a steel plate 3005 with the thickness of 5mm, the punching plates 3004 and 3002 are welded and fixed with the guardrail and the frame of the square steel pipe 3001 with the side length of 40mm multiplied by 2mm, and the steel plate 3003 with the thickness of 5mm is welded with the frame of the square steel pipe 3001 with the side length of 40mm multiplied by 2 mm.
The manufacturing materials are welded and fixed by a guardrail of a square steel pipe 4001 with the side length of 40mm multiplied by 2mm and a punching plate 4004, a component 4002 is welded and fixed with the square steel pipe 4001 with the side length of 40mm multiplied by 2mm, and steel plates 2006 and 2004 with the thickness of 5mm are welded with the frames of the square steel pipes 2001 and 2005 with the side length of 40mm multiplied by 2 mm.
The manufacturing material is formed by welding and fixing a guardrail of a square steel pipe 5001 with the side length of 40mm multiplied by 2mm and a steel plate 5002 with the thickness of 5mm, and welding and fixing punching plates 5004 and 5003 with the square steel pipe 5001 with the side length of 40mm multiplied by 2mm, the guardrail and a frame.
The manufacturing materials are welded and fixed by a guardrail of a square steel pipe 6001 with the side length of 40mm multiplied by 2mm and steel plates 6005 and 6002 with the thickness of 5mm, a punching plate 6004 is welded and fixed with a frame of the square steel pipe 6001 with the side length of 40mm multiplied by 2mm, and a steel plate 6003 with the thickness of 5mm is welded with a frame of the square steel pipe 6001 with the side length of 40mm multiplied by 2 mm.
The manufacturing materials are welded and fixed by a square steel pipe 7001 guardrail with the side length of 40mm multiplied by 2mm and a steel plate 7003 with the thickness of 5mm, and the punching plates 7002 and 7004 are welded and fixed with the square steel pipe 7001 guardrail with the side length of 40mm multiplied by 2mm and a frame.
2 installation, use and disassembly of safety platform for pressure vessel construction
a. Before the installation of the pressure container connecting hook platform, the welding of a connecting plate between the packaging hoop and the steel platform is completed, the steel wire rope head fixing tool is installed on the packaging hoop, the packaging hoop is installed on the pressure container, and then the steel wire rope head is fixed on the steel wire rope head fixing tool.
b. The supporting hoop 30 of the pressure vessel hook-connecting safety platform is fastened with the pressure vessel body, the passageway 50 is fastened and connected with the supporting hoop 30 through a bolt M16, and the ladder 40 is installed after the connection is finished.
c. The nozzle side packaging hoop 20 of the pressure vessel hooker safety platform includes parts 208, 209 that securely support the aisle platform 60.
d. The small steel platform 70 and the large steel platform 80 of the pressure vessel connecting hook safety platform are fastened and connected by M30 bolts 709 and 807, then are integrally installed on a pressure vessel body, and are connected and fastened with the connecting plate 101 by M30 bolts 104.
e. After the hook-connected safety platform is installed, two four steel wire rope heads and four connecting pins are respectively connected with a lifting hook at 0m, and after the lifting transportation is carried out for 17.5 m, the platform is used for disassembling the two four steel wire rope heads and the four connecting pins.
f. Disassembling the safety platform, disassembling bolts 709 and 807 of M30, removing the small steel platform 70 and the large steel platform 80 of the pressure vessel coupling safety platform as a whole, disassembling the connecting ladder 40, disassembling the passageway 50, the connecting bolt M16 and the bolt 602 of the supporting hoop 30, and finally lifting away the passageway platform 60.
Claims (8)
1. The utility model provides a nuclear power station reactor pressure vessel, steam generator even hook operation platform which characterized in that: the pressure vessel comprises a pressure vessel body (90), wherein a platform component is arranged at the top end of the pressure vessel body (90), a connecting ladder stand (40) is arranged at the front end of the platform component, and the connecting ladder stand (40) forms a channel from the platform component to the ground; the structure is characterized by further comprising a steam generator (800), a steam generator platform assembly is arranged at the top end of the steam generator (800), a connecting ladder stand (40) of the steam generator is arranged at the foremost end of the steam generator platform assembly, and the connecting ladder stand (40) of the steam generator is communicated with the passageway a (200).
2. The reactor pressure vessel, steam generator hookup operator platform of a nuclear power plant as recited in claim 1, wherein: the platform assembly comprises a large steel platform (80), a small steel platform (70), a passageway platform (60) and a passageway (50), wherein the passageway (50) is connected with a connecting ladder stand (40), and the passageway (50) is connected with the passageway platform (60), the small steel platform (70) and the large steel platform (80) at one time.
3. The nuclear power plant reactor pressure vessel, steam generator hookup operator platform of claim 2, wherein: the pressure vessel body (90) is also provided with a supporting hoop (30), and the supporting hoop (30) is arranged at the end part of the pressure vessel body (90).
4. The nuclear power plant reactor pressure vessel, steam generator hookup operator platform of claim 3, wherein: the pressure container body (90) is also provided with a nozzle side packaging hoop (20), and the nozzle side packaging hoop (20) is arranged around the pressure container body (90).
5. The nuclear power plant reactor pressure vessel, steam generator hookup operator platform of claim 4, wherein: the pressure vessel tail packaging hoop (10) is further arranged on the pressure vessel body (90), and the pressure vessel tail packaging hoop (10) is arranged around the pressure vessel body (90).
6. The nuclear power plant reactor pressure vessel, steam generator hookup operator platform of claim 5, wherein: the connecting ladder stand (40) is formed by welding stainless steel pipes with the diameter of 48 mm multiplied by 3mm and stainless steel pipes with the diameter of 30mm multiplied by 2mm, and flat steel with the diameter of 50mm multiplied by 5mm and the stainless steel are connected by M12mm multiplied by 45mm bolts to form the movable guardrail.
7. The nuclear power plant reactor pressure vessel, steam generator hookup operator platform of claim 6, wherein: the supporting anchor ear (30) is formed by welding flat steel (301) with the width of 100mm multiplied by the thickness of 5mm with square steel pipes (302) with the side length of 80mm multiplied by the thickness of 6 mm.
8. The nuclear power plant reactor pressure vessel, steam generator hookup operator platform of claim 7, wherein: the steam generator platform assembly comprises a small-diameter platform b (700), a small-diameter platform a (600), a passageway b (500), a diameter-variable platform (400), a large-diameter platform (300) and a passageway a (200), wherein the passageway a (200) is connected with a connecting ladder of a steam generator, and the other end of the passageway a (200) is sequentially connected with the large-diameter platform (300), the diameter-variable platform (400), the passageway b (500), the small-diameter platform a (600) and the small-diameter platform b (700).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110154404.6A CN114856150A (en) | 2021-02-04 | 2021-02-04 | Nuclear power station reactor pressure vessel and steam generator connecting hook operation platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110154404.6A CN114856150A (en) | 2021-02-04 | 2021-02-04 | Nuclear power station reactor pressure vessel and steam generator connecting hook operation platform |
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| CN114856150A true CN114856150A (en) | 2022-08-05 |
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| CN202110154404.6A Pending CN114856150A (en) | 2021-02-04 | 2021-02-04 | Nuclear power station reactor pressure vessel and steam generator connecting hook operation platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116434992A (en) * | 2023-03-13 | 2023-07-14 | 中国核工业二三建设有限公司 | Special tool for three-shell pairing of high-temperature gas cooled reactor nuclear power station and mounting method |
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