Yisheng Yang2026-03-222026-03-222007http://en.cnki.com.cn/Article_en/CJFDTotal-LFYF200705016.htmhttps://andeanlibrary.org/handle/123456789/64444An exhaust water-tube boiler(FRS-12S-14.5/3.82-450 type) is altered into a fire-tube boiler(QF35/1050-14.2-3.82/450) in a short time at a little expense and meet the needs of 120 kt/a sulfuric acid plant from sulfur-burning.The alteration brings a stable operation,lower maintenance expense,lower cost and less environmental pollution engendered by boiler problems.enBoiler (water heating)Waste managementSulfurBoiler blowdownBoiler feedwaterSulfuric acidEngineeringFlash boilerEnvironmental scienceEnvironmental engineeringarticle