中国农村炉灶的发展和对策.docxVIP

中国农村炉灶的发展和对策 The development and Countermeasures of rural stoves in China, Sunday, 01 March, p.m. ,, 02:14 introduction The main function of stoves in rural China is cooking and heating. The main fuels are biomass and coal, about 40% each? The others are coal, petroleum, liquefied petroleum gas and electricity. Fuel is converted into heat energy by means of direct combustion, which not only wastes a large amount of fuel, but also causes serious air pollution. With the urbanization of rural areas and improve the living standards of farmers burning heating stove cooking traditional and inefficient can no Ionger meet the needs of the majority of farmers has put forward higher requirements for the coal and biomass combustion, eager to provide and use more clean, convenient, cheap and beautiful stove? The Chinese government has always attached importanee to the promotion and popularization of efficient stoves in rural areas, and many non-governmental organizations and research institutions have participatecl in the promotion and renovation of stoves. By the end of 2003, 190 million firewood stoves had been popularized nationwide, accounting for 86% of the total household, more than 50 thousand units of biomass gasification stoves and about 100000 sets of efficient environmental protection heating stoves? Civilian stoves not only require energy conservation, but also pay attention to the improvement of air quality has been put on the agenda? The development course of Chinese cooking stove The development process of Chinese cooking stove can be divided into three stages, that is, the primitive stage, the stage of improvement and promotion, and the stage of technological innovation. primitive stages ( 1980) Before 80s, the vast majority of rural China use manual work of the traditional old stove, its thermal efficiency is only about 12%. Due to the high fire, large door, large furnace, no grate, no air passage, and some stoves without chimneys, a large amount of fuel is w