【摘要】 <正> 一、前言以福建加福煤为代表的极低挥发分无烟煤的着火温度高,反应能力极差,其着火、稳燃和燃尽都很困难,必须加油或加煤气助燃,被各国公认为世界上最难烧的煤种之一。电站锅炉燃用该种煤时,普遍存在着锅炉效率低、燃烧的安全和经济性差、煤耗和助燃油耗高的问题。更多还原

【Abstract】 A test facility and preliminary results of preburner burning low volatile anthracite are introduced in this paper.It is noted that stable combustion can be performed when temperature of coal dust-air flow is about 400℃ wi- thout burning oil and it is about 270℃ with burning oil of 0.1 coal rate.This type of preburner can be applied to power plant after further improving.更多还原