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Integrated supporting assembly and transverse supporting structure for nuclear power steam generator

A technology for steam generators and supporting components, which is applied in nuclear power plants, nuclear power generation, detailed information of nuclear power plants, etc., and can solve problems such as difficult construction of steam generator supports, tight internal space, limited space, etc.

Inactive Publication Date: 2021-04-20
SHANGHAI NUCLEAR ENG RES & DESIGN INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, due to the limited space in the nuclear island reactor building, especially the concrete compartment where the steam generator is located, the internal space is even tighter, and it is difficult to construct and build the huge and complex support of the steam generator. It is urgent to develop a rigid steam generator support

Method used

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  • Integrated supporting assembly and transverse supporting structure for nuclear power steam generator
  • Integrated supporting assembly and transverse supporting structure for nuclear power steam generator
  • Integrated supporting assembly and transverse supporting structure for nuclear power steam generator

Examples

Experimental program
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Effect test

Embodiment 1

[0030] see Figure 1 ~ Figure 2 , the present invention is an integrated support assembly for nuclear power steam generators, which adopts ASTM specification material A471 CL6 forgings to mechanical processing, and the specific structure is: including an integrally connected equipment connection part, an intermediate connection part, a wall Body connecting part; among them,

[0031] The connecting part of the equipment is a U-shaped hinged joint 2-1; the two symmetrical clamping arms 2-11 of the U-shaped hinged joint are respectively provided with pin holes 2-12, which are used to pin the equipment with pins, that is, the steam generator;

[0032] The wall connection part 2-3 is in the shape of a plate as a whole, and a ball hinge hole is arranged on it, and a ball hinge 2-31 is arranged in the ball hinge hole; it is used for connecting with the wall surface connector;

[0033] The two ends of the intermediate connecting part 2-2 are respectively connected to the closed end o...

Embodiment 2

[0040] see image 3 , using the steam generator lateral support structure of the support assembly described in Embodiment 1, which includes a steam generator connection assembly 1 hinged in turn by pins, the integrated support assembly 2, and a wall support seat as a wall connector 3. Wherein, the wall support 3 includes: a connecting base 3-1 for connecting with the wall, and a wall U-shaped joint 3-2 integrally connected with the front of the connecting base 3-1. And the U-shaped joint 3-2 is obliquely connected to the base 3-1. The bottom surface of the connecting base 3-1 is assembled and connected with the body of wall.

[0041] see Figure 4 The lower part of the steam generator 6 is provided with two reactor coolant pumps 8 and vertical supports (not shown in the figure), resulting in a very tight design and installation space for the horizontal support structure of the steam generator, which must satisfy the rigid support function; It must also meet the space const...

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Abstract

The invention relates to the technical field of supports and hangers of steam generators, and specifically relates to an integrated supporting assembly and a transverse supporting structure for a nuclear power steam generator. The integrated supporting assembly comprise a device connecting part, a middle connecting part and a wall body connecting part which are integrally connected. The device connecting part is a U-shaped hinge joint. Pin holes are formed in two symmetrical clamping arms of the U-shaped hinge joint correspondingly. The whole wall body connecting part is in a plate shape, a spherical hinge hole is formed in the wall body connecting part, and a spherical hinge is arranged in the spherical hinge hole. The two ends of the middle connecting part are connected with the closed end of the U-shaped hinge joint and one end of the wall body connecting part correspondingly. The central axes of the two pin holes are parallel to the central axis of the spherical hinge hole. Compared with the prior art, the supporting assembly is integrally manufactured and formed, and the influence of part damage caused by local stress concentration and the like of combined components under the huge load is avoided; a high-strength material is adopted, and enough strength is achieved; and the transverse supporting structure of the steam generator is formed by conducting connection in a hinged mode, factors, such as operation space, are fully considered, and debugging and overhauling are facilitated.

Description

technical field [0001] The invention relates to the technical field of supports and hangers for steam generators, in particular to an integrated support assembly and a lateral support structure for nuclear power steam generators. Background technique [0002] The main circuit of the nuclear power plant takes the reactor as the center, and exchanges heat with the secondary circuit through the steam generator. The heat energy generated in the reactor is exchanged to the secondary circuit, and finally transferred to the third circuit to drive the steam turbine to generate electricity. The support and hanger of the steam generator bears the weight of the equipment and adjacent components, thermal expansion and seismic load, etc., and under extreme conditions, it also bears the seismic load of pipeline rupture and safety shutdown. During the start-up and shutdown of the reactor, there is a large temperature change process in the main circuit, and the lateral support of the steam ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16M13/02F16M11/14G21D1/00
CPCY02E30/00
Inventor 丁凯邹建荣陈坤蒋运友周莹
Owner SHANGHAI NUCLEAR ENG RES & DESIGN INST CO LTD
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