The main characteristics of high chrome refractories for coal water slurry gasifiers were introduced. The damage mechanism of the refractories was analyzed by observing the microstructure of the used high chrome refra...The main characteristics of high chrome refractories for coal water slurry gasifiers were introduced. The damage mechanism of the refractories was analyzed by observing the microstructure of the used high chrome refractories with the aid of SEM. The main influencing factors on the service life of the refractories were summarized.展开更多
The wetting heat and contact angle of sixteen coal samples were determined and the slurry-forming ability of coal were researched. Comparing the relationship of the wetting heat and contact angle with the slurry-formi...The wetting heat and contact angle of sixteen coal samples were determined and the slurry-forming ability of coal were researched. Comparing the relationship of the wetting heat and contact angle with the slurry-forming ability or coal, the auther has found out that the slurry-forming ability of coal can be measured by the wetting heat.展开更多
文摘The main characteristics of high chrome refractories for coal water slurry gasifiers were introduced. The damage mechanism of the refractories was analyzed by observing the microstructure of the used high chrome refractories with the aid of SEM. The main influencing factors on the service life of the refractories were summarized.
文摘The wetting heat and contact angle of sixteen coal samples were determined and the slurry-forming ability of coal were researched. Comparing the relationship of the wetting heat and contact angle with the slurry-forming ability or coal, the auther has found out that the slurry-forming ability of coal can be measured by the wetting heat.
文摘为了考察新型水煤浆气化炉与多喷嘴对置式水煤浆气化炉的对比,应用数值模拟的方法,对该新型水煤浆气化炉与多喷嘴对置式水煤浆气化炉的气化进行了热态数值模拟研究.结果表明,新型水煤浆气化炉在炉内气化流场的组织和产出的有效气成分上均优于多喷嘴对置式水煤浆气化炉,在相同容量的气化炉内,新型水煤浆气化炉与多喷嘴对置式水煤浆气化炉对比,碳转化率高0.75%,水解率高近2.91%,干有效气成分高5.34%,冷煤气效率高7.09%,每产出1 000 m3有效气(CO+H2)可节省氧气20 m3,节省煤36 kg.
