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对秦皇岛热电厂2号锅炉燃烧器的技术改造结果表明，在旋流燃烧器一次风出口加装齿形煤粉增浓器，可以实现浓淡分离燃烧，提高锅炉的低负荷稳燃性能和效率。这种方法简单易行，值得应用于旋流燃烧器的技术改造。
The technical reformation of No.2 boiler combustor in Qinhuangdao Power Plant shows that the pulverized coal enrichment unit can be separated and separated from the primary air outlet of the swirl burner so as to improve the low-load steady-state performance and efficiency of the boiler. This method is simple and easy to implement and is worth applying to the technological transformation of the swirl burner.