本文根据广义相律的概念,从热力学上分析了优势区相存在的必然条件。在TQ16计算机上建立了绘制lgP_i-lgP_j优势区相图的通用程序,该程序简捷,运算速度快,要求用户输入的信息最少,可以得到的计算结果最多。本程序系统具有下述几种功能:(1)自动地组合各相间的可能反应并将化学计量系数配平;(2)进行各反应的自由能计算;(3)自动删除在指定条件下不可能存在的相;(4)计算出三相交点的位置,两相交线与横坐标或纵坐标交点的位置;(5)计算出各优势区相的相名(或相编号)的适当打印位置的坐标;(6)计算各温度剖面;(7)根据研究对象任意选择基准化合物等。 使用本程序对硫化钼精矿氧化焙烧温度条件选择进行了计算。
In accordance with the idea of generalized phase rule, we have studied the necessary condition of existence of predominance area of phase diagram, in which the number of required message input has been reduced to minimum, and set up the computer program for automatically drawing and calculation. In this program system, it contains the following 7 functions: (1) automatically balance the stoichiometric constants of all possible reactions, (2) carry out the Gibb,s free energy calculation of all possible reactions, (3) automatically cancel out the non-existence phase in the designated condition, (4) calculate out all of the locations of 3 phase intersections, 2phase cross lines, (5) find out the phase name, (6) find out the temperature profiles to be interested in, and (7) select the appropriate parameters. This program system has been used in the field of pyrometaUugy for explaining how to select the best operating condition.
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