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Special supporting device of cover head of nuclear island containment vessel made of steel and transportation method

A steel containment and supporting device technology, applied in the directions of transportation and packaging, packaging, loading/unloading, etc., can solve the problems of easy deformation, influence of the installation of the containment, poor transportation stability, etc., to shorten the construction period and save manpower and material resources. Effect

Active Publication Date: 2012-09-26
CHINA NUCLEAR IND FIFTH CONSTR CO LTD
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Problems solved by technology

The total weight is about 615 tons, and the height is 11.5 meters; after assembly, the overall structure is relatively flexible, the transportation stability is poor, and it is prone to deformation during transportation. If the top head is partially or overall deformed after transportation, it will affect the overall safety. The installation of the shell has a major impact on the

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  • Special supporting device of cover head of nuclear island containment vessel made of steel and transportation method
  • Special supporting device of cover head of nuclear island containment vessel made of steel and transportation method
  • Special supporting device of cover head of nuclear island containment vessel made of steel and transportation method

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Embodiment Construction

[0038] The present invention will now be described in further detail in conjunction with the accompanying drawings and embodiments.

[0039] see Figure 1~Figure 4 , the special supporting device for transporting the top head of the steel containment vessel of the present invention is composed of a platform 10 , a bracket 20 and an edge fixing rod 30 .

[0040]The platform 10 is composed of eight concentric rings 11 and connecting rods 12. The rings 11 and connecting rods 12 are made of H-shaped steel and / or angle steel, and the two are connected into a whole by high-strength bolts. A large support 20 is arranged on the platform 10 , and its lower part is supported by a short column 50 . The short column 50 is arranged under the concentric ring 11 and is connected with the platform 10 by bolts. Its basic function is to keep the platform 20 at a certain height from the ground, which is convenient for transportation. Of course, in construction, other methods can also be used, ...

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Abstract

The invention relates to a special supporting device of large-scale equipment and a transportation method, in particular to a special supporting device of a cover head of a nuclear island containment vessel made of steel and a transportation method. The special supporting device comprises a platform, a support and edge fixing rods, the support and the edge fixing rods are fixed on the platform, the platform is a plane formed by a plurality of concentric rings radially connecting with connecting rods, the support is of an integral structure formed by a group of supporting structures mounted on the concentric rings, a circular ring beam is arranged at the top end of each supporting structure, adjusters are arranged on each circular ring beam, each adjuster butts against the inner wall of the cover head, and the edge fixing rods encircle the periphery of the platform. The transportation method includes: disposing the cover head on the platform and the support before transportation and checking and fastening the adjusters on the support to ensure the adjusters to contact with the cover head; and integrally transporting the platform and the support back to an assembly workshop and resetting short upright columns after finishing hoisting of the cover head. Deformation of the cover head can be controlled. Additionally, labor power and material resources are saved while working period is shortened effectively by the aid of the transportation way of integral transportation and integral resetting.

Description

technical field [0001] The invention relates to a special support device and a transportation method for large-scale equipment, in particular to a special support device and a transportation method for a nuclear island steel containment top seal. Background technique [0002] The AP1000 nuclear power technology of Westinghouse Corporation of the United States is an advanced passive pressurized water reactor nuclear power technology. One of its characteristics is that it adopts a modular construction mode. The construction period of nuclear power units is greatly shortened, and the advantages of saving construction costs and long-term operating costs are obvious. The many "passive safety systems" adopted by it have further improved the safety of nuclear power plants. As one of the important equipment in the passive safety system, the steel containment is the inner shielding structure of the reactor building of the AP1000 nuclear power plant. The level of material developmen...

Claims

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Application Information

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IPC IPC(8): B65D61/00B65G67/04B65G69/16
Inventor 陈清军王伟陈华桥王卫忠赖日旺杨久贺刘慧勋周兴
Owner CHINA NUCLEAR IND FIFTH CONSTR CO LTD
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