节能的目的一是要节约能源消费,取得一定的节能量,二是要取得经济效益,就是说上一项节能措施必须取得一定的经济收益。一项好的节能措施必须是既有好的技术效果又有好的经济效果,使二者统一。各种节能技术措施、方案由于消耗、收益以及对社会经济发展影响的大小等因 The first purpose of energy conservation is to save energy consumption and achieve a certain amount of energy savings. The second is to obtain economic benefits, which means that the previous energy-saving measures must achieve certain economic benefits. A good energy-saving measure must be a combination of both good technical and good economic effects. Various energy-saving technical measures and programs are due to consumption, income, and the impact on social and economic development.