【作者】 章学来； 张君瑛； 郁庆庆；

【Author】 ZHANG Xue-lai,ZHANG Jun-ying, YU Qing-qing (Cool Thermal Storage Technology Institute of Shanghai Maritime University 200135,China)

【机构】 上海海事大学蓄冷技术研究所；

【摘要】 随着国民经济的发展和人民生活水平的提高,我国电力的需求量不断增长,为填补电力缺口,电网的装机容量不断剧增。从上海能源结构看,目前这些发电量大都来自火力发电,并对城市环境造成严重影响;随着西气东输工程的完工和东海气田的天然气向上海供气,上海天然气的供给量充裕,尤其夏天,燃气用量与电力负荷呈峰谷差性互补,上海能源面临着结构的调整。2006 年底上海海事大学将整体搬迁到临港新城,学校用热、电、冷需求大幅度增加。天然气三联供的基本原理是能的梯级利用原理,将简单的单一电力供应,改变成电、热、冷的联合供应,充分利用天然气燃烧后放出的热量,以提高天然气的利用效率。从火用分析的角度看,能源的有效利用达80％以上;技术经济分析表明,该三联供系统经济性可观,考虑到新校优越的地理位置和管网接入条件,推广应用三联供系统的潜力和前景巨大,但也存在着一些问题需解决。更多还原

【Abstract】 With the development of national economy and lift of people living level, the demand of electricity use is constantly raised. The installed capacity of the electricity net increases quickly to fill up the power supply gap. In view of the Shanghai’s energy structure, most of the electricity is generated by thermal power, which leads to serious influence on city’s environment; the complete of the engineering of "transmitting gas from west to east" and the natural gas supply from the East Ocean Gas Field, Shanghai has abundant supply of natural gas, especially in summer, the use of gas and power load present mutual-complementary division of peak and paddy. Therefore, Shanghai is facing the energy structure adjustment At the end of 2006, Shanghai Maritime University will wholly moves to Ling Gang New City. The use demand of heat, electricity, cooling will be largely raised. The fundamental principle of CCHP is ladder use of energy, changing the single power supply mode into combined supply of cooling heating and electricity, taking the thermal heat after the burning of gas into full use, which raised the natural gas use efficiency. As to the energy-economic analysis, the coefficient is more than 80%; and as to the technical economy analysis, it takes on ideal economic characteristics. Considering the ascendant location of the new school district and network-in condition, all of them indicate the great potential for application of gas driven CCHP. However, still some problems exist and need to be solved.更多还原