WebThe best coke rate conditions are when maximum indirect reduction has taken place and before direct reduction begins. This is achieved by correct charge distribution and by … WebBy 1960 the best coke rates were well below 700 kg/t, and since the 1980s the overall consumption of reducing agents has stabilized at around 500 kg/t of hot metal, but by 2010 nationwide coke rates were about 370 kg/t in Japan and less than 340 kg/t in … Injection rate is a key economic variable that must be considered when … Blast Furnace - an overview ScienceDirect Topics Nowadays, PCI rate at 130–160 kg/THM is a common practice, and PCI rate up to … The BF technology with pulverised coal injection (PCI) is nowadays widely …
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WebApr 13, 2013 · The rate at which coke degrades is mainly controlled by the solution loss reaction, thermal stress, mechanical stress and alkali accumulation. Fig 4 Functions of BF coke in a BF. BF operation with low coke rate and high injection rate causes a change in the coke characteristics. Some of its functions become less important (heat source, … WebSep 25, 2024 · Coke is used primarily as a fuel and a reducing agent in a BF. The gross calorific value (CV) of the metallurgical coal is greater than 5700 kcal/kg on an ash?free but moist basis. It presents unique plastic properties during carbonization which in turn produces a porous solid, high in carbon (C) coke. WebMar 9, 2024 · Our 2024 Coke Scholars. We are thrilled to announce our 34th class of Coca-Cola Scholars! These 150 high school seniors will each receive a $20,000 college scholarship and join a family of 6,600+ alumni who are leading positive change in their communities and around the world. Less than 1/4th of 1% of applicants were chosen to … mavric microwave