Method for installing main loop system in nuclear island of nuclear power plant

A main circuit, nuclear power plant technology, applied in nuclear power generation, nuclear engineering, reactors, etc., can solve the problems of high installation cost and long installation period

Active Publication Date: 2012-08-15
CHINA NUCLEAR IND 23 CONSTR
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  • Abstract
  • Description
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Problems solved by technology

[0004] In order to solve the problems of long installation period and high installation cost of the main loop system in the nuclear island of the nuclear power plant in the prior art, the present i

Method used

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  • Method for installing main loop system in nuclear island of nuclear power plant
  • Method for installing main loop system in nuclear island of nuclear power plant
  • Method for installing main loop system in nuclear island of nuclear power plant

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Example Embodiment

[0035] In order to shorten the installation period of the main circuit system in the nuclear island of a nuclear power plant and save the installation cost, after conducting research, those skilled in the art believe that when installing the main circuit system in the nuclear island, the main equipment (such as pressure vessels, (Steam generator, main pump casing) to perform three-dimensional measurement, and calculate the actual specifications of each main equipment to be installed according to the measurement results, especially the actual specifications of the parts connected to the connecting pipe on the main equipment to be installed, such as those on the steam generator The position of the center of the heat pipe mouth relative to the actual axis of the steam generator, and then according to the design specifications of the main equipment and connecting pipe marked in the design and installation drawings of the internal structure of the nuclear island, it is calculated that...

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Abstract

The invention relates to an installation method of an inner structure in a nuclear island of a nuclear power pant and provides a method for installing a main loop system in the nuclear island of the nuclear power plant, which aims at solving the problems of long installation period and high installation cost of the main loop system in the nuclear island of the nuclear power plant. The method comprises the following steps of: placing main equipment to be installed on a support device, wherein the main equipment is a pressure container, a vapor generator or a main pump case; determining arrangement positions of measurement points and the number of the measurement points arranged in the arrangement positions; arranging test points and common points; collecting coordinate data of the arranged measurement points; processing the collected coordinate data of the measurement points, establishing a body coordinate system of the main equipment to be established, and calculating to obtain the installation specification of a connection tube; and processing the connection tube and installing the main loop system in the nuclear island of the nuclear power plant. Therefore, the connection tube only needs to be processed and hoisted for once to complete the installation of the main loop system in the nuclear island of the nuclear power plant, so that the installation rate is improved, the installation time is shortened, and the installation cost is reduced.

Description

technical field [0001] The invention relates to a method for installing the internal structure of a nuclear island in a nuclear power plant, in particular to a method for installing a main loop system in the nuclear island of a nuclear power plant. Background technique [0002] The main circuit system in the nuclear island of a nuclear power plant includes main equipment installed in the nuclear island, such as pressure vessels, steam generators, main pump casings, and connecting pipes used to connect various main equipment and make them communicate with each other. [0003] At present, when installing the main circuit system in a nuclear power plant, the main equipment of the nuclear island, such as pressure vessels, steam generators, and main pump casings, are usually installed in their design positions in the nuclear island according to the design drawings, and then the connecting pipes It is placed between each main equipment, and the port of the connecting pipe and the ...

Claims

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Application Information

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IPC IPC(8): G21C13/032
CPCY02E30/30
Inventor 路宏杰
Owner CHINA NUCLEAR IND 23 CONSTR
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