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The research background and technical features of Baosteel sintering flue gas desulphurization(FGD)—swirl-jet-absorbing wet limestone-gypsum sintering FGD technology,process and equipment are introduced in this paper.Main contents and achievements of the pilot experiment and the engineering practice of Baosteel FGD are analyzed and discussed systematically.Past engineering practice experiences indicate that Baosteel FGD has the following merits:wide applicability to sintering flue gas features,such as frequently changing temperatures,unstable SO2 concentration,intensively fluctuating flow rates,etc.,high pollutants removal efficiency,low investment and energy consumption;stable and reliable operation,utilizable byproduct(gypsum),etc.It indicates that Baosteel sintering FGD is of extensive application value for the FGD of large and medium-scaled sintering machines.
The research background and technical features of Baosteel sintering flue gas desulphization (FGD) -swirl-jet-absorbing wet limestone-gypsum sintering FGD technology, process and equipment are described in this paper. Contents and achievements of the pilot experiment and the engineering practice of Baosteel FGD are analyzed and discussed systematically. Past engineering in the experiments that indicate that Baosteel FGD has the following merits: wide applicability to sintering flue gas features, such as frequently changing temperatures, unstable SO2 concentration, intensively fluctuating flow rates, etc., high pollutants removal efficiency, low investment and energy consumption; stable and reliable operation, utilizable byproduct (gypsum), etc.It indicates that Baosteel sintering FGD is of extensive application value for the FGD of large and medium-scaled sintering machines.