厚料层烧结技术的经济学解释

烧结料层透气性的Voice公式与经济学中的"柯-道生产函数"具有相似性,它们都是用来说明投入与产出之间的技术关系。用经济学中"规模效用递减"的基本法则和"边际分析"方法,引入到烧结生产中料层高度和抽风负压对烧结矿产出的分析中;作出了烧结生产的等成本曲线、等产出曲线;获得厚料层烧结生产条件下数量型增长和效益型增长的理论模型;首次从经济学角度解释了中国厚料层烧结生产机理和扩张路径,给出了烧结生产经济区的定义和确定方法;最后,提出厚料层烧结技术的发展方向不是单一或多个投入要素的提高,而是需要向提高全要素生产率的方向发展。

Economics explanation about thick-bed sintering technology

The Voice formula for the permeability of the sinter bed is similar to the “Cobo-Douglas production function” in economics，which are both used to explain the technical relationship between the inputs and outputs. The basic law of “decreasing retune to scale” and the “marginal analysis” method in economics are taken into the analysis of the effects of the bed height and the negative pressure of main drawer on the sinter output in the sinter production. The equal cost curve and equal production curve of the sintering production are made. The theoretical models of the quantitative growth and economic growth，respectively，on the condition of the thick-bed sintering production are obtained. The mechanism of thick-bed sintering production and the expansion path in China are explained at the first time from an economic perspective，and the definition and the determination methods of the sintering production economic zone are proposed. Finally，the development direction of the thick-bed sintering technology is not to improve the single input factor or multiple input factors，but to improve the total factor productivity rate.