Thermocouple temperature sensor and a method of measuring the temperature of molten iron

作者: Hiroshi Taketsugu , Yoshiaki Shia , Otojiro Kida , Hideaki Mori

DOI:

关键词: Terminal (electronics)Molten steelService lifeElectrical engineeringComposite materialCeramicPlatinumMaterials scienceRhodiumTube (fluid conveyance)Thermocouple

摘要: A thermocouple temperature sensor employs a protecting tube made of metal-boride-based ceramics, and platinum -rhodium-based thermocouple. To prevent deterioration the due to reducing gas generated in when used at high service temperature, is placed an insulation tube, which inside tube. In addition, front end portion covered with noble-metal cap mainly composed group metal, from reaching connection point The top open, terminal box ventilation means smoothly discharge provided. This arrangement remarkably prolongs life thermocouple, thus it able continuously measure molten pig iron steel for long interval.

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