Flame detection monitoring system for detecting blockages in bla

Details Flame detection monitoring system for detecting blockages in bla Flame detection monitoring system for detecting blockages in bla

1997-08-29

2000-06-27

Kastler, Scott

Specialized metallurgical processes, compositions for use therei

Processes

Process control responsive to sensed condition

266 80, 266 99, 266100, C21C 104

Patent

active

060802235

ABSTRACT:
A flame detection system for detecting blockage in oil injection paths into blast furnaces utilized in the manufacture of iron. The flame detection system, as designed and installed, monitors the amount of light seen through a blowpipe peephole and causes an alarm to be actuated when a voltage falls below a predetermined threshold thereby indicating that the amount of light being received by a photocell mounted at the peephole is at a low enough level to possibly indicate injection path or port clogging. Efficient calibration circuitry and techniques are also provided.

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