Cement News tagged under: combustion
Not simply calcining10 January 2018, Published under Cement NewsWhile the primary purpose of the calciner in a cement plant is to aid decomposition of calcite from the preheated raw meal, the need to lower CO 2 emissions and the introduction of alternative fuels has broadened the range of requirements that modern-day calciners need to address. By Dr Heiko Schürmann and Norbert Streit, KHD-Humboldt Wedag GmbH, Germany. Figure 1: the main purpose of the calciner is to decompose calcite from the preheated raw meal, which is the most energy-intens... |
Aspirating the kiln16 October 2017, Published under Cement NewsLast month’s Technical Forum concluded with the following closing comments: “A sufficient supply of oxygen to the kiln is critical. Any limitations on the drawing of oxygen into the kiln or exhausting the gases from the kiln are also a common cause of such problems.” Therefore, this month’s Technical Forum considers the need for aspiration to help increase oxygen supply to the kiln and improve burning conditions. Drawing sufficient oxygen into the kiln is critical to maintaining an ox... |
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