本文系根据国内燃用高硫燃料的锅炉上,80余台玻璃管空气预热器的运行实践和本单位在试验工作中积累的资料,以及国外的一些经验而编写的。文中总结了各厂的使用经验,分析了玻璃管发生破损的各种原因。通过对玻璃管预热器所作的技术经济比较以及根据一批达到安全、经济运行电厂的实绩提出玻璃管预热器可作为一项行之有效的防 This article is based on the domestic use of high-sulfur fuel boilers, more than 80 sets of glass tube air preheater operation practice and the unit in the experimental work accumulated information, as well as some foreign experience and prepared. The article summarizes the experience of the use of each plant, analysis of the various causes of damage glass tube. Through the technical and economical comparison of glass tube preheaters and according to a number of safety and economic operation of the power plant put forward the glass tube preheater can be used as an effective anti-