Sökning: "iron industry"

Visar resultat 1 - 5 av 177 avhandlingar innehållade orden iron industry.

  1. 1. Järnbruken och ståndssamhället : institutionell och attitydmässig konflikt under Sveriges tidiga industrialisering 1700-1770

    Författare :Per-Arne Karlsson; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Iron industry; History; Sweden; Järnbrukshistoria; Sverige; 1700-1770; Industrialismen; Ståndsväsen; Bergsbruk;

    Sammanfattning : The present dissertation treats the problem of the stagnation of the Swedishiron industry during the 18th century. After a long period of expansionduring the 17th century, the parliament forbade a further enlargement ofbar iron production from the mid-18th century. LÄS MER

  3. 2. Bringing predictability into a geometallurgical program : An iron ore case study

    Författare :Viktor Lishchuk; Bertil Pålsson; Cecilia Lund; Pertti Lamberg; Jennifer Broadhurst; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Additivity; Apatite iron ore; AIO; Block model; Change of support; Classification; Data integration; DT; Feed quality; Geometallurgical program; Geometallurgy; Iron ore; Iron recovery; Leveäniemi; Liberation; Machine learning; Magnetic separation; Malmberget; Mineralogical approach; Mineralogy; Prediction; Proxies; Proxies approach; Sampling; Simulation; Synthetic ore body; Traditional approach; WLIMS; Mineral Processing; Mineralteknik;

    Sammanfattning : The risks of starting, operating and closing mining projects have become higher than ever. In order to stay ahead of the competition, mining companies have to manage various risks: technical, environmental, legal, regulatory, political, cyber, financial and social. Some of these can be mitigated with the help of geometallurgy. LÄS MER

  4. 3. Järnhanteringens dynamik : Produktion, lokalisering och agglomerationer i Bergslagen

    Författare :Fredrik Olsson; Olle Krantz; Dan Bäcklund; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; iron industry; agglomerations; clusters; regions; parishes; localisation; early modern; regional industrialisation; employment structure; iron production; bar iron export; Sweden; Bergslagen; Central Sweden; Economic history; Ekonomisk historia;

    Sammanfattning : Abstract This thesis explores early modern industrial dynamics and especially the long-term performance of iron production and its localisation in Central Sweden during the period 1368-1910. Iron production, iron export and localisation in a national perspective as well as the regional industrial development in Central Sweden during the period 1805-1910 are studied. LÄS MER

  5. 4. Mellan krona och marknad : Utländska och svenska entreprenörer inom svensk järnhantering ca 1580—1700

    Författare :Maj-Britt Nergård; Martin Åberg; Uppsala universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; History; Merchant-entrepreneur; entrepreneurial function; international market; iron industry; ironmasters; net-works; merchant-capitalism; credits; privileges; monopoly; relations of production; King; Crown; institutional change; Historia; History subjects; Historieämnen; historia; History;

    Sammanfattning : The aim of this thesis has been to explain the change that Swedish industry went through in the 17th century. My theory is that the change was connected with the transition from feudal relations of production to a system of capitalistic appropriation founded on precapitalist production. LÄS MER

  7. 5. Degradation Mechanisms of Heat Resistant Steel at Elevated Temperatures : In an Iron Ore Pelletizing Industry

    Författare :Erik A. A. Nilsson; Marta-Lena Antti; Ragnar Tegman; Jan-Erik Svensson; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; stainless steel; Grate-Kiln; microstructure; corrosion; as-casted; thermal cycling; erosion; deposition; Engineering Materials; Materialteknik;

    Sammanfattning : This thesis focuses on the different degradation mechanisms of the stainless steel in a travelling grate in a Grate-Kiln iron ore pellet indurator. The travelling grate is a conveyor belt that transports green-body pellets to a rotary kiln while the pellets are being dried and pre-heated to a temperature of 900-1100 °C by recycled hot air. LÄS MER