Characteristics of entrained flow coal gasification in a drop tube reactor

被引:84
作者
Lee, JG
Kim, JH
Lee, HJ
Park, TJ
Kim, SD
机构
[1] KOREA ADV INST SCI & TECHNOL,DEPT CHEM ENGN,TAEJON 305701,SOUTH KOREA
[2] KOREA ADV INST SCI & TECHNOL,ENVIRONM RES CTR,TAEJON 305701,SOUTH KOREA
关键词
coal gasification; entrained flow; optimization;
D O I
10.1016/0016-2361(96)00084-1
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 effects of reaction temperature, oxygen/coal and steam/coal ratios and residence time on coal gasification performance in entrained flow were determined by means of a drop tube reactor (0.05 m.i.d. x 1.0m high). The H-2/CO molar ratio decreases with increasing reaction temperature and the H-2 + CO content of the product gas exhibit a maximum around the ash fusion temperature. With increasing O-2 content, carbon conversion increases and the rate of production of H-2 and CO increases initially to a maximum value. The optimum O-2/coal ratio is in the range 0.6-0.9 for different coals. Copyright (C) 1996 Elsevier Science Ltd.
引用
收藏
页码:1035 / 1042
页数:8
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