| 摘要 |
PROBLEM TO BE SOLVED: To accurately measure a temperature by a thermocouple inserted into a burner. SOLUTION: The burner 1 for heating an inner wall of a refractory structure, is provided. A guide pipe 5 is mounted on the inner wall at a position free from contact with the flame, of a fuel gas or combustion air passing portion at a burner tip portion. The thermocouple 6 is inserted into the guide pipe 5 in a state that its tip portion is positioned at a mixing portion of the fuel gas and the combustion air, and fixed. The burner 1 is burned and heated in a state that the thermocouple 6 is fixed by the guide pipe 5. As the thermocouple is fixed to the burner with the guide pipe, the temperature can be measured in such a state that the thermocouple is more stabilized, and accidental fire during combustion can be more correctly and quickly detected. COPYRIGHT: (C)2009,JPO&INPIT
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