论文部分内容阅读
近年来随着国民经济的飞速发展,城乡人民生活水平日益提高。为改善居住环境,暂时无条件集中供暖的家庭纷纷想办法研制出许多种间接采暖用炉具,在居室内装上了“土暖气”。对于大多数城镇居民来说,以现用于炊事的蜂窝煤做热源,是最方便的。我国普遍使用的蜂窝煤的直径只有4英寸(Φ102mm)及5英寸(Φ127mm)两种。以5英寸煤为例,在2m 高烟囱自然通风的条件下其燃烧能力仅0.4～0.5kg/h,以煤的平均低位发热值 Q_(DW)~Y 为18800kJ/kg 计,则煤的总供热能力仅7500～9400kJ/h,平均8450kJ/h
In recent years, with the rapid development of the national economy, the living standards of urban and rural residents have been increasing day by day. In order to improve the living environment, families who temporarily unconditionally centralize their heating systems have come up with ways to develop many kinds of indirect heating stoves and install “soil heating” in the living room. For most urban residents, it is most convenient to use the briquette that is currently used for cooking as the heat source. Commonly used in our country briquette diameter of only 4 inches (Φ102mm) and 5 inches (Φ127mm) two. Taking 5-inch coal as an example, its combustion capacity is only 0.4-0.5kg / h under the condition of natural ventilation of 2m high chimney. When the average heating value Q_ (DW) -Y of coal is 18800kJ / kg, the total coal Heating capacity of only 7500 ~ 9400kJ / h, an average of 8450kJ / h