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Mitsubishi Hitachi Power Systems - Low NOx Burner
MHPS Kure Works. is acutely aware of the need to respond to global environmental issues and therefore dedicates great deal of continuous professional research effort to realize improvements to its various product lines. For pulverized coal combustion we firstly developed a unique Low-NOx burner system, the NR burner, based on the concept of `In-flame NOx reduction`. This sophisticated and proven reliable design, together with recognition within the Industry of ours continuous contribution to Low NOx combustion technology, merited the prestigious Award of the JSME Medal (Japan Society of Mechanical Engineers) and the Premier Prize from the Director-General of the Environmental Agency. Continuation of research effort by us lead to development of a second-generation Low-NOx burner, designated NR2, with further enhanced NOx decomposition capability.
The widely acclaimed NR2 burner has proven extremely reliable and has many applications in both the domestic and foreign industrial and power boiler markets.
Ongoing development work by us resulted in the introduction of a third generation Low-NOx burner, designated NR3, featuring further reduced NOx emission levels, improved combustion efficiency and ease of maintenance, developed through design simplification application.
This latest design utilizes a wider and shorter, highly stable flame for excellent fuel combustion characteristics with extremely Low NOx levels.
The advanced performance characteristics of this latest generation burner has been confirmed by installation and testing in power boiler plants offering state of the art burner combustion technology coupled with extremely high plant reliability and operational availability.
We can custom design and built plant to provide the optimal solution for your specific power requirements.
- Rapid ignition with Flame Stabilizing Ring (US Patent No.4,545,307 Dated Oct 8,85).
- Effective separation of outer air to produce reducing conditions in the center zone.
- PC concentration for higher combustion efficiency in reducing condition.
- Enhancement of the above features was achieved by the development indicated.
