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Example data for the change in coke consumption upon shaft height increases

Optimisation of the furnace height needs to be performed at the design stage of the fiimace, otherwise height increases will usually only be performed during major re-building works of the furnace. [Pg.159]

Operational data are taken from an example plant in France. [Pg.159]

5 Installation of secondary row of tuyeres for a cold blast cupola (CBC) [Pg.159]

The thermal efficiency of the cold blast cupola furnace can be improved by the installation of a secondary row of tuyeres. These provide extra oxygen above the combustion zone, which induces the oxidation of the CO in the combustion gases, the CO being formed by the endothermic reduction of CO2 by C (coke). This technique liberates the latent heat of the combustion gases, thus improving the thermal efficiency of the cupola. [Pg.159]

The divided blast cupola is equipped with two rows of tuyeres, each supplied with a measured and controlled quantity of blast air. Compared with a normal cupola, fitted with a single row of tuyeres, the divided blast cupola enables  [Pg.159]


Table 4.6 Example data for the change in coke consumption upon shaft height increases [202, TWG, 2002]... Table 4.6 Example data for the change in coke consumption upon shaft height increases [202, TWG, 2002]...



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