| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a technique capable of securing safety during an operation and achieving energy saving and improvement of the quality of a molten metal in a metal melting furnace.SOLUTION: A temperature measuring structure 100 includes: a fire-resistant base member 20 engaged with a fire brick in a state that a lower end part 20a is inserted to an opening part 13 opened in a fire brick 12 laid on the furnace floor 11 of a melting furnace 10; a fire-resistant protecting tube 30 connecting a lower end opening part 31 to a hole part 21 provided in a direction roughly vertical to the base member 20 and erected on the base member 20 in a state that an upper end part 32 is blocked; a plurality of temperature sensors 41, 42 arranged in the protecting tube 30; and an alumina-based dry stamp layer 50 formed on the fire-resistant fire brick 12 in a state that the protecting tube 30 and the base material 20 are embedded to the roughly same height as that of the upper end part 32 of the protecting pipe 30.</p> |
