·158· 北京科技大学学报 2007年增刊1 (3)宣化钢铁公司的石灰石分解的动力学模型 参考文献 山尹志明，王宏伟，郭汉杰.活性石灰烧制工艺及理论研究(1) 1+20-Xe-30-xl 石灰，2005，(3：32 [2)]尹志明，玉宏伟，郭汉杰.活性石灰烧制工艺及理论研究(2). 石灰，2006，(3：39 Lpe1-(1-Xa)3 kM B [3]Ozawa T.Thermal analysis2review and prospect.Thermo- chimica A cta,2000,355:35 [4)郭汉杰.治金物理化学教程.北京：治金工业出版社，2006：120 Dynamics model of producting active lime in Xuanhua Steel GUO Hanjie,YIN Zhiming,GU Te) Metallurgical and Ecological Engineering School,University and Science Technology Beijing,Beijing 100083,China ABSTRACT The limestone decomposed to activity lime by TG at the rates of 10,15,20,25 and 30C/min was studied.The decomposing mechanism equation is F(a)=(1-a)-1,and the reaction rate constant is 98873 k=54325e Rr.It is founded that the diffused constant in the decomposition of lime from limestone is D502adynamics model of decompsing time of mestoe with the decomposition ratioas T revised,and the finished time of limestone decomposition at 1423 K was forecasted with this model.It indicates that the forecasted results agree very well with the experiment results. KEY WORDS active lime;kinetics;limestone decomposition• 158 • 北 京 科 技 大 学 学 报 2007 年 增刊 1 (3)宣化钢铁公司的石灰石分解的动力学模型 为 2 2 3 1 3 1 2(1 ) 3(1 ) 72 1 (1 ) . B B B B B B B L t XX DM L X kM ρ ρ ⎡ ⎤ = +− −− + ⎢ ⎥ ⎣ ⎦ ⎡ ⎤ ⎢ ⎥ − − ⎣ ⎦ 参 考 文 献 [1] 尹志明，王宏伟，郭汉杰．活性石灰烧制工艺及理论研究(1). 石灰，2005, (3): 32 [2] 尹志明，王宏伟，郭汉杰．活性石灰烧制工艺及理论研究(2). 石灰，2006, (3): 39 [3] Ozawa T. Thermal analysis2review and prospect. Thermo￾chimica A cta，2000, 355: 35 [4] 郭汉杰．冶金物理化学教程．北京：冶金工业出版社，2006: 120 Dynamics model of producting active lime in Xuanhua Steel GUO Hanjie1), YIN Zhiming1), GU Te1) Metallurgical and Ecological Engineering School, University and Science Technology Beijing, Beijing 100083, China ABSTRACT The limestone decomposed to activity lime by TG at the rates of 10, 15, 20, 25 and 30℃/min was studied. The decomposing mechanism equation is 1 F( ) (1 ) α α − = − , and the reaction rate constant is 98873 k 54325e RT − = . It is founded that the diffused constant in the decomposition of lime from limestone is 2506 lg 2028 D T =− + , a dynamics model of decomposing time of limestone with the decomposition ratio XB was revised, and the finished time of limestone decomposition at 1423 K was forecasted with this model. It indicates that the forecasted results agree very well with the experiment results. KEY WORDS active lime; kinetics; limestone decomposition