Detection apparatus for pressure vessel of high-temperature gas-cooled reactor

Abstract

The invention specifically relates to a detection apparatus for a pressure vessel of a high-temperature gas-cooled reactor, which belongs to the field of detection apparatuses for pressure vessels. The detection apparatus 1 is located between a pressure vessel outer barrel wall 2 and a cabin barrel wall 3 and comprises an annular guide rail 4, a rail-running trolley 5, a lifting bar 6, a two-shaft scanner 7 and a positioning pin pointing mechanism 8, wherein the annular guide rail 4 is a whole circular ring formed by splicing of a plurality of arc guide rails; the rail-running trolley 5 is located on the annular guide rail 4 and can move along the rail; and the lifting bar 6 is mounted on the rail-running trolley 5, and the lower end of the lifting bar 6 is provided with the positioning pin pointing mechanism 8 which can be fixed with a positioning pin hole located in the bottom of the pressure vessel. According to the invention, the lower end of the lifting bar 6 is provided with the positioning pin pointing mechanism 8 which can be fixed with the positioning pin hole located in the bottom of the pressure vessel.

Description

technical field [0001] The technology belongs to the field of pressure vessel inspection devices, and in particular relates to a high-temperature gas-cooled reactor pressure vessel inspection device. Background technique [0002] High-temperature gas-cooled reactors are nuclear reactors that use helium as a coolant and have a high outlet temperature. With the support of the national "863" program, since the mid-1980s, China has carried out research and development of high-temperature gas-cooled experimental reactors, one of the fourth-generation advanced nuclear energy system technologies. The reactor type also has a nuclear reactor pressure vessel similar to a pressurized water reactor. The reactor pressure vessel is an airtight container that accommodates the nuclear reaction and withstands its huge operating pressure. It is the key equipment in the high-temperature gas-cooled reactor nuclear power plant. Absolutely safe and reliable during the lifetime of the nuclear po...

AI Technical Summary

Problems solved by technology

To sum up the above situation, a set of reactor pressure vessel inspection device that can be implemented remotely is needed. At present, there is no inspection technology for high temperature gas-cooled reactor commercial power plant reactor pressure vessel in the world. It is necessary to independently design a nuclear power plant reactor pressure vessel inspection device for this type of reactor. , the inspection device inspects from the outside of the pressure vessel

Images