Influence of transportation in railway cars of foundry coke on its quality

Abstract

The granulometric composition of the bulk density of foundry coke is one of the most important characteristics that determine its consumer properties [1]. In the process of melting cast iron in a cupola, foundry coke has to provide sufficient temperature and drainage capacity. The latter is determined by the size of the foundry coke, the uniformity of its particle size distribution, as well as both “hot” (CSR, %) and “cold” (M40, I40, etc.) strength. The dependence of the strength of coke on the carbon structure, the parameters of the porous structure, size, amount and composition of ash is established [2]. There is data [3] indicating a decrease in the “hot” strength of coke with an increase in the content of basic oxides in the ash: an increase in the SO3 content by 1% reduces the CSR by 20-24%.