鋼鐵企業(yè)能耗指標(biāo)體系的研究與應(yīng)用
[Abstract]:The establishment of a scientific and reasonable energy consumption index system for iron and steel enterprises is a major event related to energy saving and emission reduction in iron and steel industry. At present, only the documents which have systematic guidance to the energy consumption index system of iron and steel enterprises have been issued and implemented as early as April 12, 1982, the interim provisions on the calculation of Energy balance Table and Energy consumption Index of Iron and Steel Enterprises (hereinafter referred to as "interim provisions"). Over the past 30 years, the interim regulations and the research results of relevant scholars have played an important role in unifying the calculation of energy balance in Chinese iron and steel enterprises, standardizing energy conservation indicators, and promoting enterprise energy conservation. However, the interim provisions have not been substantially revised or supplemented after many years of application. With the continuous adjustment of the structure of iron and steel industry in our country, some of its contents are more and more inadaptable to the management of iron and steel enterprises and the production mode is becoming more and more unsuitable, and some omissions in the definition of some concepts have also appeared. Therefore, it is time to establish a scientific, reasonable and operable energy consumption index system. Based on the above reasons, this paper has carried out related research work. (1) this paper carries out investigation and data analysis. This paper comprehensively combs the present situation of energy consumption statistics in iron and steel enterprises in our country, and points out that the crux of the previous stage research results on energy consumption index system has not yet formed a broad consensus, because the process flow and product structure are different. In this paper, the causes of the incomparable energy consumption index are analyzed in two aspects: the change of energy standard coal coefficient. It lays a foundation for the following proposal of new energy consumption index system for iron and steel enterprises. (2) based on the problems existing in the current energy consumption index of iron and steel enterprises, the method and basic principles of the establishment of the index system are introduced. Considering the actual characteristics of iron and steel enterprises, a new energy consumption index system for iron and steel enterprises is put forward. The total target of the index system is the energy consumption statistics and management of iron and steel enterprises, and the total target is divided into three sub-indexes (first class index), that is, comprehensive energy consumption index, process segment energy consumption index and end product energy consumption index. The first class index is decomposed into 21 second-level indexes. The index system includes not only the comprehensive energy consumption index of steel per ton, which reflects the energy consumption level of iron and steel enterprises themselves, but also the energy consumption index per unit product process, which is relatively comparable among the similar processes in different iron and steel enterprises. At the same time, it also includes the energy consumption index of the end products of similar bulk products of different iron and steel enterprises. (3) the determination of standard coal coefficient of energy consumption fluids has always been the focus of controversy between energy researchers and energy managers in enterprises. On the basis of reading previous works, this paper puts forward that the standard equivalent calorific value is used as the basis of converting energy working fluid into standard coal, which solves the problem that the energy consumption of energy processing and conversion link is transferred to the main production processes by the original conversion method. The energy consumption of the main process and the energy conversion process is truly reflected so that the energy consumption of the process is really comparable. (4) the new energy consumption index system and its calculation method are applied to the statistics and calculation of energy consumption in the two major iron and steel enterprises of Nangang and Angang. Through analysis and comparison, it is proved that the new energy consumption index system and its calculation method have the advantages of objectivity, reasonableness and maneuverability in evaluating the energy consumption of iron and steel enterprises themselves and the energy consumption of each process and the energy consumption level of the end product. It has both theoretical and practical guiding value for energy consumption evaluation and energy saving and emission reduction in iron and steel enterprises.
【學(xué)位授予單位】:東北大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2013
【分類號(hào)】:F426.31;F205
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