COOLstar burner

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John Zink

last updated：Mar 18, 2026

Ultra-low NOx and excellent combustion performance

The COOLstar burner embodies the latest advancements in ultra-low NOx combustion technology. Its unique tile design and integrated Coanda surface achieve high levels of fuel and exhaust gas mixing performance as well as flame stability. Additionally, this burner has a wide range of applications and can accommodate various fuel compositions, including natural gas and hydrogen co-firing. It can be applied to a broad range of equipment, from oil refining processes to ethylene production. Through various tests and practical applications, its high reliability, low emissions (low NOx) performance, and excellent operational efficiency have been confirmed.

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Features - Innovative tile design: Divided into primary combustion and staged combustion sections, achieving improved mixing performance and increased flame surface area. - Coanda surface: Enhanced flame stability and mixing performance through an integrated structure. - Hydrogen-Ready: Designed for high-efficiency operation with hydrogen and hydrogen-blended fuels, supporting the transition to clean energy and enabling future-oriented operations. - Unique ARIA register: Achieves optimal air distribution and control. - Wide turndown ratio: Enables efficient operation across a wide range of operating conditions. - Low CO emissions: Reduces CO emissions to nearly zero levels under normal operating conditions. Benefits - Ultra-low NOx emissions: NOx emission concentration can be reduced to 15 ppm. - High efficiency: Achieves excellent combustion efficiency through improved mixing performance and flame stability. - High versatility: Compatible with a variety of fuels, including hydrogen-blended fuels and natural gas. - Compact design: Space-saving, ideal for both new installations and retrofits. - High reliability: Performance backed by over 50,000 installations worldwide.