中国电机工程学报2012，Vol.32Issue(29)：38-44,7.
CO2/N2作输送载气对煤粉高压密相气力输送特性的影响
Influences of CO2/N2 as Carrier Gas on Dense Phase Pneumatic Conveying of Pulverized Coal at High Pressure
摘要
Abstract
Based on the independent development dense phase pneumatic conveying system, conveying tests of Yanzhou bituminous pulverized coal using CO2 and N2 as carrier gas were carried out. Comparisons of differences and similarities of conveying characteristics between the two kinds of carrier gases were made. Results indicate that influences of operating conditions on conveying characteristics show similar rules, while there are significant differences in conveying characteristics when different kinds of carrier gases are used. Though the kinds of carrier gases are different, both solids mass flow rate and slip velocity increase with increase of total conveying differential pressure while decrease as supplemental gas flow rate increases, and solids mass flow rate increases with increase of slip velocity. Under the same operating conditions, solids mass flow rate and slip velocity are both smaller when using CO2 as carrier gas, and the relationship between them were significantly different.关键词
煤粉/输送载气/密相气力输送/高压/输送特性/CO2/N2Key words
pulverized coal/ carrier gas/ dense phase pneumatic conveying/ high pressure/ conveying characteristics/CO2/N2分类
化学化工引用本文复制引用
贺春辉,沈湘林,胥宇鹏,陈先梅,王建豪,倪红亮,周海军,熊源泉..CO2/N2作输送载气对煤粉高压密相气力输送特性的影响[J].中国电机工程学报,2012,32(29):38-44,7.基金项目
国家重点基础研究发展计划项目(973计划)(2010CB227002) （973计划）
国家863高技术基金项目(2006AA05A102). （2006AA05A102）
