设备的现代化改造是工艺设备更新的一种形式。设备的改装或改造,常常是结合大修理进行的。因此在决策时,应与其它更新形式(如大修理、更新等)进行比较,以便通过技术经济分析来选取总费用最低的方案。其论证比较的原则是: 1.以改造与大修、更新的经济效果作为比较基础; 2.改造费 Modernization of equipment is a form of updating of process equipment. Modification or modification of equipment is often carried out in conjunction with major repairs. Therefore, when making decisions, it should be compared with other updated forms (such as overhauls, updates, etc.) in order to select the scheme with the lowest total cost through technical and economic analysis. The principle of comparison between its arguments is: 1. Take the economic effects of transformation and overhaul and renewal as the basis for comparison;