钢管余热水箱取代铸铁省煤器的节煤经验张家界市劳动局锅炉科王保卫，矍玉华一、小型锅炉省煤器运行现状及分析铸铁省煤器主要是吸收烟气余热，提高锅炉热效率，达到节约煤炭的目的。按照设计，省煤器运行正常可节煤８％－１０％。例如，一台燃用Ｉ类烟煤的４ｔ／ｈ锅炉，... Steel pipe waste water tank to replace the experience of coal-saving coal economizer Zhangjiajie City Bureau of Labor Boiler Wang Baowei, Yu Yuhua A small boiler economizer operation status and analysis Cast iron economizer is mainly to absorb waste heat, improve boiler thermal efficiency, Achieve the purpose of saving coal. In accordance with the design, economizer operation can be normal coal saving 8% -10%. For example, a 4t / h boiler burning Class I bituminous coal, ...