Gas-particle Flow and Combustion Characteristics of Pulverized Coal Injection in Blast Furnace Raceway
ZHANG Sheng��fu, BAI Chen��guang, WEN Liang��ying, et al
�����ѧ���Ͽ�ѧ�빤��ѧԺ �����ѧ���Ͽ�ѧ�빤��ѧԺ �����ѧ���Ͽ�ѧ�빤��ѧԺ �����ѧ���Ͽ�ѧ�빤��ѧԺ �����ѧ���Ͽ�ѧ�빤��ѧԺ
Gas-particle Flow and Combustion Characteristics of Pulverized Coal Injection in Blast Furnace Raceway
ZHANG Sheng��fu, BAI Chen��guang, WEN Liang��ying, et al
�ؼ��� ��
blast furnace ,
raceway ,
pulverized coal injection ,
gas-particle flow ,
combustion
Abstract ��The two-dimensional steady-state discrete phase model for gas-particle flow and combustion of pulverized coal injection is established and solved to analyze gas-particle flow features and combustion characteristics of coal particles, as well as components concentration and temperature distribution of coal gas by using numerical simulation technology. The results show that a great deal of gas discharge on top of raceway away from tuyere, residence time of coal particles in the region of blowpipe and tuyere is 20 ms or so, 50 ms when its reach raceway boundary. The pressure is highest at the bottom of raceway, the maximal temperature is about 2423 K, the char combustion is mainly carried out in the raceway, and the maximum of char burnout rate attains to 3��10-4 kg/s.
Key words ��
blast furnace
raceway
pulverized coal injection
gas-particle flow
combustion
�ո�����: 2009-10-19
ͨѶ����:
������
����:
ZHANG Sheng��fu;BAI Chen��guang;WEN Liang��ying;et al. Gas-particle Flow and Combustion Characteristics of Pulverized Coal Injection in Blast Furnace Raceway[J]. �й������ڿ���, 2010, 17(10): 8-8.
ZHANG Sheng��fu;BAI Chen��guang;WEN Liang��ying;et al. Gas-particle Flow and Combustion Characteristics of Pulverized Coal Injection in Blast Furnace Raceway. Chinese Journal of Iron and Steel, 2010, 17(10): 8-8.
���ӱ���:
http://gt.chinamet.cn/Jweb_gtyjxb_en/CN/ �� http://gt.chinamet.cn/Jweb_gtyjxb_en/CN/Y2010/V17/I10/8
[1]
Hong-tao Wang,Wei Zhao,Man-sheng Chu,Cong Feng,Zheng-gen Liu,Jue Tang. Current status and development trends of innovative blast furnace ironmaking technologies aimed to environmental harmony and operation intellectualization
[2]
Wei Zhang,,Zheng-liang Xue,Ju-hua Zhang,Wei Wang,Chang-gui Cheng,Zong-shu Zou. Medium oxygen enriched blast furnace with top gas recycling strategy
[3]
Qian-qian Ren,,Yu-zhu Zhang,,*,Yue Long,Shao-sheng Chen,Zong-shu Zou,Jie Li, Chen-guang Xu. Crystallization behavior of blast furnace slag modified by adding iron ore tailing
[4]
Xue-feng She,*,Xiu-wei An,Jing-song Wang,Qing-guo Xue,Ling-tan Kong. Numerical analysis of carbon saving potential in a top gas recycling oxygen blast furnace
[5]
Xun-fu Wang,,Qi-jie Zhai. Corrosion mechanism research and microstructure analysis of Baosteel No��3 blast furnace hearth
[6]
Chong Zou,*,Liang-ying Wen,Jun-xue Zhao,Rui-meng Shi. Interaction mechanism between coal combustion products and coke in raceway of blast furnaces
[7]
Ping ZHOU,Peng-yu SHI,Yan-po SONG,Kai-le TANG,Dong FU,Chenn Q. ZHOU,. Evaluation of Burden Descent Model for Burden Distribution in Blast Furnace
[8]
Bang-fu HUANG,,Nai-yuan TIAN,Zhi-wei MA,,Zhe SHI,,Xiao-lei ZHOU,. Control Model of Multifunctional Hot Metal Ladles
[9]
Li ZHANG,Ping ZHOU,He-da SONG,Meng YUAN,Tian-you CHAI. Multivariable Dynamic Modeling for Molten Iron Quality Using Incremental Random Vector Functional-link Networks
[10]
Guo-qing LIU,Qing-cai LIU,Xiao-qing WANG,Fei MENG,Shan REN,Zhen-peng JI. Combustion Characteristics and Kinetics of Anthracite Blending with Pine Sawdust
[11]
Meng YUAN,Ping ZHOU,Ming-liang LI,Rui-feng LI,Hong WANG,,Tian-you CHAI. Intelligent Multivariable Modeling of Blast Furnace Molten Iron Quality Based on Dynamic AGA-ANN and PCA
[12]
Yang-long LI,,Shu-sen CHENG,,Chuan CHEN,. Critical Heat Flux of Blast Furnace Hearth in China
[13]
Jun ZHANG,,Xing-min GUO,Yuan-hong QI,Ding-liu YAN. Model of Iron Ore Sintering Based on Melt and Mineral Formation
[14]
Hua-jie ZHANG,Xue-feng SHE,Yi-hua HAN,Jing-song WANG,Fan-bo ZENG,Qing-guo XUE. Softening and Melting Behavior of Ferrous Burden under Simulated Oxygen Blast Furnace Condition
[15]
Hua-jie ZHANG,Jing-song WANG,Xiu-wei AN,Xiao-jian ZUO,Qing-guo XUE. Reduction Behavior of Pellet under Simulated Oxygen Blast Furnace Condition
2010, Vol. 17 
