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DZL Series of Coal-fired Hot-water BoilersStructural Features ●The DZL series of coal-fired hot-water boilers are single-drum, vertical-type chain boilers. ●The boiler proper mainly comprises a drum, a furnace, a convection tube bank and an economizer, etc. ●The single-layered arrangement achieves a compact structure. ●Novel spirally-corrugated tubes and arched tube plates are adopted, allowing the boiler to be safely operated, and achieving ideal energy-saving effect and high heat efficiency. ●The air regulation is flexible during combustion, realizing a convenient operation. ●The grates adopt a stepless speed regulation, which is convenient, stable and reliable. ●The modified furnace arch realizes a strong fuel-adaptability and an ideal burning effect. ●The installation period is short, greatly reducing the capital investment. Applications: This series is mainly used in colleges, hotels and hospitals for supplying hot water and heating.
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