炼铁工-解释题131（Iron Man - explanation 131）.docVIP

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炼铁工-解释题131（Iron Man - explanation 131）.doc

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炼铁工-解释题131（Iron Man - explanation 131）

炼铁工-解释题131（Iron Man - explanation 131） 1. smelting strength Answer: smelting intensity refers to the daily volume of coke per cubic meter of blast furnace combustion capacity, that is, the ratio of the daily coke consumption and the effective volume of the blast furnace. 2. generation life of blast furnace Answer: a life is from ignition to stop in time between overhaul of the smelting furnace, blast furnace smelting or refers to the time between adjacent two overhaul. 3. off wind rate Answer: the rate of off wind refers to the percentage of blast off time that occupies the prescribed operating time of the blast furnace. 4. coke reactivity Answer: refers to the coke at a certain temperature and the role of CO2 to generate CO speed. 5. direct reduction of iron Answer: the amount of iron recovered in the direct reduction of FeO is proportional to the total iron content in the iron oxides and becomes a direct reduction. Stability of 6. slag Answer: the extent to which the chemical composition of the slag or the fluctuations of the outside temperature affect the physical properties of the slag. 7. sulfur load Answer: smelting per ton of pig iron, the total sulfur brought into the furnace by the burden. 9. water equivalent Answer: the so-called water equivalent is a unit of time by raising a section of the furnace or blast furnace gas temperature or reduce the absorption or release of 1 degrees of heat, the heat change per unit time of the gas or the charge generated by the change of 1 DEG C. 10. flooding Answer: in the process of smelting blast furnace liquid slag and iron through the coke window drips down with gas to forward motion sports, under certain conditions, the liquid gas blowing can not fall, this phenomenon is called flooding. 12. what is the indirect reduction of iron? Answer: the reduction of iron by CO is called indirect reduction. 13. melting temperature Answer: the temperature at which the slag completely melts into liquid is called the melting temperat