The main reaction heats from the sulfur furnace and the converter generate steam directly by using a fire-tube boiler.
Compared with the traditional technology, this process generates twice steam. Apart from being used in the sulfur melting unit, the steam can fully fulfill the requirement of chilling in air drying unit by replacing the electric driven chiller with steam driven lithium bromide chiller for generating chilling water. The power consumption can be 15% lower.
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