نتایج جستجو برای: coal spontaneous combustion potential index cscpi

تعداد نتایج: 1580727  

2012
Li Jun Li Xue

This article discusses the existing calculation of heat for a coal-fired hot-blast furnace. By utilizing the standard method of heat calculation for boilers, considering the relation between the theoretical combustion temperature and the excess air coefficient of the boiler, combining some operational parameters of a coal-fired powder hot-blast furnace, the heat calculation of iron ore concentr...

Journal: :Journal of the Mining and Metallurgical Institute of Japan 1974

Journal: :Advances in transdisciplinary engineering 2022

Coal spontaneous combustion often occurs in storage processes, especially for low-rank coal with high volatile materials, which may lead yard caught fire and thermal energy losses. Therefore, it is important to accurately predict the tendency under status real time. In order determine ignition point, existing methods are all using pulverized samples, adding special oxidant artificially then hea...

Journal: :International Journal of Safety and Security Engineering 2017

Journal: :Journal of the Mining and Metallurgical Institute of Japan 1965

کوهساری, امیرحسین, شهراز, سامان ,

This research presents data on widespread abnormal accumulations of Trace and Rare Earth Elements in many coal deposits worldwide. There have been many studies on the distribution and geochemistry of REEs in coal. ∑REE content in most coals varies from several µg/g to several hundred µg/g, and the REEs are distributed in minerals although some are associated with organic material in coal. In th...

Journal: :Journal of the Mining and Metallurgical Institute of Japan 1987

Journal: :Journal of the Southern African Institute of Mining and Metallurgy 2015

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