Essays about: "Grate-kiln"

Found 4 essays containing the word Grate-kiln.

  1. 1. Bricklaying robot for installation ofrefractory material in grate-kiln systems

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : Johan Johansson; [2023]
    Keywords : ;

    Abstract : LKAB is Europe’s biggest producer of iron pellets and is constantly trying to improvetheir production methods and maintenance work to reduce downtime and increasethe production volume. A critical step of the pellets production is the reduction stepinvolving the roterary oven which is one of the most prone steps in the productioncycle of needing maintenance work. READ MORE

  3. 2. Improving Availability of the Pelletization Process

    University essay from Luleå tekniska universitet/Institutionen för ekonomi, teknik, konst och samhälle

    Author : Emil Andreasson; Pontus Åhman; [2022]
    Keywords : Availability; Predictive Maintenance; Pelletization; Statistical Process Control; Refractory Material; DMAIC;

    Abstract : The Grate-Kiln-Cooler process is a commonly used method of sintering during iron ore pelletization, where the pellets are formed, dried, and hardened. The pellets are oxidized in the rotating Kiln, turning magnetite (Fe3O4) to hematite (Fe2O3), making the pellets attain suitable metallurgical attributes for further processing. READ MORE

  4. 3. Towards Understanding slag build-up in a Grate-Kiln furnace : A study of what parameters in the Grate-Kiln furnace leads to increased slag build-up, in a modern pellet production kiln

    University essay from Linköpings universitet/Institutionen för datavetenskap

    Author : Oscar Olsson; Uno Österman; [2022]
    Keywords : Grate-kiln; Slag; Interpretable machine learning; IID; independent and identically distributed; Kulsinter; pellets; slagg; slag; LKAB;

    Abstract : As more data is being gathered in industrial production facilities, the interest in applying machine learning models to the data is growing. This includes the iron ore mining industry, and in particular the build-up of slag in grate-kiln furnaces. READ MORE

  5. 4. Wear of Grate Plates

    University essay from KTH/Materialvetenskap

    Author : Johan Martinsson; [2014]
    Keywords : Grate; plate; wear;

    Abstract : This report describe the wear of the protruding areas on the sides of the grate plates in the grate-kiln process in the hematite pellet production in LKAB, Kiruna. The steel plates are exposed to a hostile environment with heat cycles and corrosive atmosphere. READ MORE