Regardless of the different sizes of coal particles, they all tended to break at the stage of devolatilization.It was even easier for coal particles to break if they contain high volatilize materials.

• 对于不同的煤颗粒来说,挥发分析出的阶段是颗粒最容易发生破碎的阶段,含高挥发分的煤样在实际的燃烧破碎中更容易发生膨胀破碎。