Non-intrusive scanner

摘要

A non-intrusive thermal scanner system for monitoring the fireside conditions of a wall 100, such as walls of power station boilers or furnaces as well as walls of pipelines and storage vessels. The system comprises a plurality of temperature sensors 10 arranged to provide an array 15 on an external side of the wall 100 the array defining a monitoring area (30) on the wall. At least one non-intrusive heat flux sensor 50 is also provided. A control system (20) is configured to scan the array 15 of sensors 10 in sequence. Also disclosed is a method of non-intrusive monitoring of the fireside conditions of a wall.