This paper presents a new concept that particle concentration enrichment process through deceleration and diffusion process is the basis of fuel rich combustion technology.

• 提出了颗粒的滞止浓缩过程与弥散过程是浓缩煤粉燃烧技术的基础这一新概念,并分析了滞止浓缩过程与弥散过程的原理。