Development of new technique for continuous molten steel temperature measurement

被引：0

作者：

Sugiura, Masato ^{[1
]}

Yamazaki, Tsuyoshi ^{[2
]}

Nakao, Ryuji ^{[3
]}

Tanaka, Tomoaki ^{[4
]}

Nagata, Seiji ^{[1
]}

Kumazawa, Hiroyuki ^{[5
]}

Tsubota, Eiji ^{[5
]}

Nagai, Wataru ^{[5
]}

机构：

[1] Environment and Process Technology Center

[2] Hirohata R and D Lab

[3] Hikari R and D Lab

[4] Hikari Works

[5] Hirohata Works

来源：

Nippon Steel Technical Report | 2004年 / 89期

关键词：

Costs - Furnaces - Industrial plants - Middleware - Nozzles - Radiation - Steel - Technology transfer - Thermocouples;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In the production of steel in a smelting furnace such as a converter, to measure molten steel temperature is extremely important to both process control and metallurgical quality. Generally, sublance method is only utilized for direct measurement of the steel temperature. A disposable thermocouple probe attached at the tip of the sublance is intermittently inserted the steel. Nippon Steel developed a new continuous temperature measurement technique using 2-dimensional radiation thermometry. The molten steel is observed through a tuyere nozzle at the bottom of the furnace. Experiments were carried out on a laboratory steel bath, a stainless steel converter AOD and a scrap melting furnace. Efficiency of this continuous thermometry was clarified.

引用

页码：23 / 27

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