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企业能量审计是对能源使用实行监督管理的重要手段,它要求建立一套科学的、完整的、统一的能量审计计算方法。现已建立的方法、原则对于合理和有效利用能源有重要意义,而对同时产生多种能源的转换系统,能值依次向多种产品传递的生产系统,在能值传递问题上,暴露了它的局限性。本文设想把这两类系统从被审计的企业系统中分离出去,划出两系统后的新企业系统,其投入能源等于原系统实际投入能源加两类系统的节能量,原已建立的一套审计计算方法和原则可在新系统中实行;单位产品综合能耗等指标不受两系统影响,因而能更好反映企业产品生产用能水平,有更强的可比性;企业总节能量由产品单位综合能耗下降,两类系统各自的节能量三部分组成。
The enterprise energy audit is an important means of supervising and managing energy use. It requires the establishment of a scientific, complete, and unified energy auditing calculation method. The methods and principles that have been established are of great significance for the rational and effective use of energy. However, for a system that simultaneously produces a variety of energy sources, a production system in which the energy value is transmitted sequentially to a variety of products, it is exposed on the issue of emergy transfer. Limitations. This article envisages the separation of these two types of systems from the audited enterprise system and the establishment of a new enterprise system after the two systems. The input energy is equal to the actual energy input of the original system plus the energy savings of the two types of systems. Audit calculation methods and principles can be implemented in the new system; comprehensive energy consumption and other indicators of the unit product are not affected by the two systems, and therefore can better reflect the level of production energy use of the company’s products, and have a stronger comparability; the total energy savings of the company are determined by the product. The overall energy consumption of the unit is reduced, and the respective energy savings of the two types of systems are composed of three parts.