System for inspecting heat transfer tube in steam generator

Abstract

The present invention relates to a system for inspecting a heat transfer tube in a steam generator, and comprises: an eddy current probe that is inserted into the heat transfer tube and moves in a traveling direction, and includes an eddy current coil, a camera unit, a laser unit, and a compressed air unit; a driving part that drives the laser unit and the compressed air unit; and a controller that identifies foreign substances inside the heat transfer tube on the basis of an image from the camera unit and controls the driving part to remove the foreign substances.

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