Microwave Application on Measurement and Control

Shibata, Chokichiro; Horie, Ryo

doi:10.2355/tetsutohagane1955.73.9_1096

Cited by 7 publications

(2 citation statements)

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“…Therefore the measurement of micro wave reflection gunned through a tuyere with easy versatility as follows is developed. Figure 2 shows a m-wave 11) impinging method from a blast-furnace tuyere. The m-wave is transmitted from a waveguide tube and allowed to impinge from a columnar antenna installed at the head end of the waveguide tube through a tuyere peeping window.…”

Section: Problems Of Raceway Control At the Lower Part Of Furnacementioning

confidence: 99%

Analyses on Blast Furnace Raceway Formation by Micro Wave Reflection Gunned through Tuyere

et al. 2005

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Section: Problems Of Raceway Control At the Lower Part Of Furnacementioning

confidence: 99%

Analyses on Blast Furnace Raceway Formation by Micro Wave Reflection Gunned through Tuyere

et al. 2005

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“…However, there are few reports on the measurement of deadman profile and the analysis of actual furnace phenomena that cause the deadman profile to affect solid flow at the lower part of the furnace. [9][10][11] Therefore, in the present study, the reduced stockline surface profile is measured from the reflection intensity of microwave 12) struck from the furnace top after blow-off with stockline reduced, and countermeasures for the changes of raceway depth and furnace body profile during operation are reported with a hope to contribute to further improvement of the blast furnace operating technique.…”

Section: Introductionmentioning

confidence: 99%

Analyses on Dynamic Solid Flow in Blast Furnace Lower Part by Deadman Shape and Raceway Depth Measurement

et al. 2005

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As one of the factors of frequent troubles that occur in the transition period from all-coke operation to PC injection operation in blast furnace as well as increased troubles in recent years, increased size of the blast furnace and high-productivity operation are pointed out. Consequently, great importance is attached to burden distribution control and burden descent condition, or control of melting zone, deadman shape, solid flow at the lower part of furnace and others. In the present study, the reduced stockline surface profile was measured by the reflection intensity of microwave struck from the furnace top after blow-off with stockline reduced, and investigation was made on the countermeasures for changes in the raceway depth and furnace body profile during operation. As a result, it has been clarified that flow-down of coke into the lower part of blast furnace and inflow into the raceway are greatly subject to the existence of deadman which is the packed structure of the lower part of furnace, and further, they are closely related to dynamic behavior of the raceway and affect changes of the furnace body profile.

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Modern Blast Furnace Instruments

Yoshitani

1988

IFAC Proceedings Volumes

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Microwave Application on Measurement and Control

Cited by 7 publications

References 0 publications

Analyses on Blast Furnace Raceway Formation by Micro Wave Reflection Gunned through Tuyere

Analyses on Blast Furnace Raceway Formation by Micro Wave Reflection Gunned through Tuyere

Analyses on Dynamic Solid Flow in Blast Furnace Lower Part by Deadman Shape and Raceway Depth Measurement

Modern Blast Furnace Instruments

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