Using self-made carbon steel crucible instead of poroelain crucible is an economical, practical, simple and raoid way to determine the carbon content in cement raw meal with phosphogypsum.
用自制碳钢材蜗代替瓷材蜗，测定磷石膏制水泥生料中的碳含量，经济实用，简便、快速。
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The results show that the main components of inclusion are carbon and oxygen. Carbon impurity comes from graphite crucible and heater, while oxygen impurity from the oxides in the raw material…
Using small-sized semicoke can avoid lacking carbon in furnace bottom and is favourable to inserting electrode deeply, enlarging crucible and reducing eletricity consumption.