Method for integrally constructing steel lining of nuclear reactor plant of nuclear power station
A nuclear reactor and overall construction technology, applied in nuclear power generation, covering/lining, greenhouse gas reduction, etc., can solve problems such as long construction period, and achieve the effect of shortening construction period, reducing cost, and reducing safety risks
Active Publication Date: 2011-01-12
中广核工程有限公司 +1
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is that, aiming at the defects of long construction period in the steel lining construction method of the nuclear power plant reactor building in the prior art, an integral construction method of the steel lining of the nuclear power plant nuclear reactor building can be provided, which can shorten the construction period
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[0045] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.
[0046] Such as figure 1 and figure 2 As shown, the steel lining 1 is assembled by welding a plurality of steel lining wall panels 5 and penetration pieces 6 . The single piece of steel lining wall plate is transversely welded into steel lining wall plate layers, and the steel lining wall plate layers are assembled layer by layer to form the whole steel lining;
[0047] The single-piece steel-lined panel 5 and the single through-piece 6 are factory prefabricated components, which can be combined and assembled according to design requirements. During factory prefabrication, the penetration 6 is welded by a cylindrical penetration sleeve and a circular reinforcing ring.
[0048] The installation position of the penetra...
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The invention relates to a method for integrally constructing a steel lining of a nuclear reactor plant of a nuclear power station, which comprises the following steps of: S1, performing off-site splicing on wallboards of the steel lining; S2, arranging and fixing penetrating pieces on the wallboards of the steel lining; S3, integrally hoisting in position the spliced steel lining; and S4, performing on-site local position adjustment and welding and fixing on the steel lining after the steel lining is integrally hoisted in position. The method provided by the invention has the advantages of shortening a construction period and staggering welding labor peaks so as to reduce security risks in on-site construction and fulfill the aim of reducing the cost by performing the off-site splicing on the wallboards of the steel lining, arranging and fixing the penetrating pieces onto the wallboards of the steel lining and then integrally hoisting in position the steel lining.
Description
technical field [0001] The invention relates to the field of building construction, and more specifically relates to a construction method for assembling a steel lining of a reactor building of a nuclear power plant. Background technique [0002] At present, in the steel lining construction process of domestic nuclear power plant reactor building, the steel lining wall panels are assembled and placed in place at the construction site of the building, and then the vertical welds and circumferential welds are welded, and then the penetrating parts and anchors are opened. holes, welding. [0003] In the prior art, the assembly and welding of the plant construction site and the installation and construction of the penetrating parts are large, occupying most of the construction time, resulting in a long construction period. In particular, the construction of steel-lined wall panels is a key construction link in the civil engineering of the nuclear island, and the length of its c...
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IPC IPC(8): E04F13/12
CPCY02E30/40Y02E30/30
Inventor 张淑霞鲁勤武
Owner 中广核工程有限公司