High unburned carbon in fly ash from stoker boilers in China

被引：0

作者：

Fang, JH ^{[1
]}

Lu, JL ^{[1
]}

Saco, K ^{[1
]}

Beér, JM ^{[1
]}

Sarofim, AF ^{[1
]}

机构：

[1] Taiyuan Univ Technol, Dept Thermal Engn, Taiyuan 030024, Peoples R China

来源：

PROSPECTS FOR COAL SCIENCE IN THE 21ST CENTURY | 1999年

关键词：

stoker boiler; fly ash; unburned carbon;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The basic information on the nature of the high-carbon content fly ash was reported in this paper according to 250 data of carbon content in fly ash from operation tests of stoker boilers and 6 samples of fly ash and parent coal. Two samples were selected for the characterization on microstructure and combustion reactivity. It was concluded that: 1) Unlike in utility boilers, graphitization would not be considered the main reason for the high unburned carbon in fly ash in industrial boilers; 2) The reactivity of such ash remains relatively high; 3) High proportion of fines in coal supply is one of main causes for high unburned carbon in fly ash.

引用

页码：471 / 474

页数：4