近年来随着市场经济的不断深入发展,港口间的竞争日趋激烈,营业利润空间越来越小,港口一方面需加大投入,提高服务竞争手段,另一方面迫切需要消化增加的成本,以保证企业的生存与发展。能源消耗作为企业可变成本的一个重要组成部分,节能降耗工作也就成为企业降本增效的一项重要内容。节能工作是企业的一项重要工作,必须实行全程管理,包括生产工艺的设计、设备的选型和设计、生产线投产以后各项能源管理制度的贯彻、对能源消耗的 In recent years, with the continuous deepening of market economy, increasingly fierce competition among ports and decreasing operating profit space, the port needs to increase its investment and service competition measures on the one hand, and on the other hand it is urgently necessary to absorb the increased costs Ensure the survival and development of enterprises. Energy consumption as an important part of enterprise variable costs, energy saving work has also become an important part of cost reduction and efficiency. Energy-saving work is an important enterprise, must implement the whole management, including the design of production technology, equipment selection and design, the production line after the implementation of various energy management systems, the energy consumption