不同热化系数条件下热电联产的经济效益分析摘要：热电联产是一种即产电又产热的先进能源利用形式，其先进性主要表现在以下几点：一是降低能源消耗，二是提高空气质量，三是补充电源，四是节约城市用地，五是提高供热质量，六是便于综合利用，七是改善城市形象，八是减少安全事故。热电联产由于具有许多优点，所以世界各国都在大力发展。世界热电联产发展呈现许多趋势。关键词：热电联产; 标准年平均耗煤指标; 联合供热; 额定工况运行小时数; 热化系数abstract: the cogeneration is a kind of that electricity and heat production in the advanced energy use form, its advanced nature mainly displays in the following: one is to reduce energy consumption, 2 it is to improve air quality, three is added the power supply, and the fourth
