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随着城市燃气事业的发展和环保意识的增强 ,小型燃煤锅炉的应用越来越受到限制 ,甚至被禁用。常压热水锅炉 (以下简称常压锅炉 )以其结构简单、耗钢量少、体积小、占地面积小、运行安全可靠、燃料供应方便及不需储存等特点 ,越来越广泛地在中小型建筑供暖工程中被采用。本文提出常压锅炉供暖系统设计中应着重注意解决的几个问题以及启闭组合阀的应用
With the development of urban gas industry and the increasing awareness of environmental protection, the application of small-scale coal-fired boilers is more and more restricted and even banned. Atmospheric pressure hot water boiler (hereinafter referred to as atmospheric boiler) with its simple structure, less consumption of steel, small size, small footprint, safe and reliable operation, fuel supply and convenience without storage, etc., more and more in the Small and medium-sized building heating project was adopted. This article puts forward several problems that should be paid attention to in the design of atmospheric boiler heating system and the application of open-close combined valve