OUTER SURFACE CONTACT TYPE GAMMA TOMOGRAPHY APPARATUS FOR INDUSTRIAL PROCESS DIAGNOSIS AND ITS METHOD

摘要

PURPOSE: A gamma-ray computation tomograph which adheres to the outer circumference of industrial facility and a computation scanning method using the same are provided to install a large size reactor among a plurality of detectors. CONSTITUTION: A gamma-ray computation tomograph comprises a guide tube(20), a radiation source(30), a non-destructive inspection device(40) and a detector(50). The guide tube is arranged around the outer circumference of a reactor(10). The radiation source moves inside the guide tube and rotates around the reactor in order to emit gamma-ray. The non-destructive inspection device transfers the radiation source into the guide tube. The detector is arranged around the outer circumference of the guide tube in order to detect the radiation transmitted from the reactor.