Essays about: "Blast furnace"

Showing result 21 - 25 of 45 essays containing the words Blast furnace.

  1. 21. From Bloomery Furnace to Blast Furnace : Archeometallurgical Analysis of Medieval Iron Objects From Sigtuna and Lapphyttan, Sverige

    University essay from KTH/Materialvetenskap

    Author : Andreas Helén; Andreas Pettersson; [2019]
    Keywords : ;

    Abstract : During the Early Middle Ages, the iron production in Sweden depended on the bloomery furnace, which up to that point was well established as the only way to produce iron. Around the Late Middle Ages, the blast furnace was introduced in Sweden. READ MORE

  3. 22. Influence of bio-coal ash respectively coal structure on coke production and coke quality

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Frida Bäck; [2019]
    Keywords : Bio-coke; bio-coal; leaching; coke quality; carbon structures; torrefied sawdust;

    Abstract : In recent years, the consequences of global warming have increased the discussion about the climate impact caused by humans and the fossil emissions. Sweden has decided to reduce the negative climate impact with a zero vision for the fossil carbon dioxide emissions in year 2045. READ MORE

  4. 23. Partitioning of Zn and Cr in Basic Oxygen Steelmaking

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Andreas Persson; [2019]
    Keywords : Partitioning; Cr; Zn; BOS;

    Abstract : Steel is the worlds most used metal and 2016 the produced amount of steel was measured to a total1630 MT where the Blast Furnace (BF) - Basic Oxygen Steelmaking (BOS) process, which is the mostcommon steel process, stands for 75% of the world’s current crude steel production.The BOS process works by blowing oxygen at high velocity through a hot metal bath consisting of hotmetal from the blast furnace mixed with fluxing agents as slag formers and up to 30 weights% scrap. READ MORE

  5. 24. Semantic Segmentation of Iron Ore Pellets with Neural Networks

    University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Author : Terese Svensson; [2019]
    Keywords : Convolutional Neural Networks; Iron Ore Pellets; Semantic Segmentation;

    Abstract : This master’s thesis evaluates five existing Convolutional Neural Network (CNN) models for semantic segmentation of optical microscopy images of iron ore pellets. The models are PSPNet, FC-DenseNet, DeepLabv3+, BiSeNet and GCN. READ MORE

  6. 25. Evaluation of air entraining behaviour in concrete using computer aided methods on hardened samples

    University essay from KTH/Betongbyggnad

    Author : Jakub Pawlowicz; [2019]
    Keywords : concrete; air voids; air entraining; AEA; blast furnace slag; BFS; flat-bed scanner; BubbleCounter; traverse method;

    Abstract : Increasing awareness of sustainability in the concrete industry forces structural design and executionto focus on avoiding costly and unpredictable maintenance action, instead paying higher attention todamage prevention by direct actions on early stages of production. One of such approaches, whichdeals with the problem of freezing and thawing deterioration, is intentional air bubble introductionto the concrete mix. READ MORE