ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
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An Improved Methodology for Pulse Combustion with Programmable Timing Sequence Used in Reheating Furnaces
Lingyan HuYana LvKai TangGwynfor Richards
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JOURNALS OPEN ACCESS FULL-TEXT HTML

2017 Volume 57 Issue 12 Pages 2266-2268

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Abstract

This work introduces a programmable pulse combustion controller. It has two main parts, namely burner flame switch timing sequence and burner startup sequence; and the sequences being controlled by three groups of programmable timers. Burner output capacities for high and low flames are adjustable online, and the corresponding working periods for different flame sizes can be computed automatically using the proposed equations tested in practice. Proper cooperation between the burner flame size and its working period can achieve the required control objective well. Comparison results in several projects of reheat furnaces show the proposed methodology can optimize chamber temperature distribution and improve control precision effectively.

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© 2017 by The Iron and Steel Institute of Japan
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