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Research on combustion-supporting characteristic of organic calcium
Author(s): XIAO Hai-ping, LI Jing-tao, SUN Bao-min
Pages: 81-
85
Year: 2008
Issue:
1
Journal: JOURNAL OF NORTH CHINA ELECTRIC POWER UNIVERSITY
Keyword: 有机钙; 热重分析; 煅烧; 热解; 燃烧;
Abstract: 采用热重法研究了有机钙对长广煤燃烧的影响.有机钙含有大量可燃性有机气体,醋酸钙镁和醋酸钙煅烧析出丙酮气体,丙酸钙煅烧析出戊酮气体.添加醋酸钙镁或丙酸钙后,煤样热解过程中挥发份析出时间提前,析出量和析出强度增大,热解性能提高;醋酸钙带入结晶水,阻碍了煤的热解.添加有机钙后,煤粉在燃烧初期迅速失重,燃烧速率远大于原煤,而在后期,样品燃烧平缓,燃烧速率小于原煤.有机钙能够提高长广煤的着火性能和整体燃烧性能.
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