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Reducing the content of harmful substances in input raw materials in the blast-furnace proces

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F17%3A10238761" target="_blank" >RIV/61989100:27360/17:10238761 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Reducing the content of harmful substances in input raw materials in the blast-furnace proces

  • Original language description

    The blast furnace process can be negatively affected by a number of harmful elements. These may interfere with the course of the technological process, but can also increase production costs. Harmful elements are contained in the blast furnace&apos;s charge and they disrupt chemical, physical, and also the thermal processes in the production of iron. Changes in the above processes may produce a range of effects from changes in the flow of gases to problems with a decrease of the charge or excessive heating or cooling of the hearth. In the ideal process, we can remove harmful elements into the slag. But it remains crucial to monitor and reduce the contents of negative elements already in input raw materials. Thus, their continuous circulation in the blast furnace is limited. Alkali carbonates represent a large group of harmful substances. They can re-enter the process and negatively affect the technological as well as economic and operational indicators of the blast furnace process. Alkalis may enter the process, for example, in the form of silicates or carbonates. This article aims to analyse the content of Na2O compounds entering the blast furnace process and the possibility of reducing their negative consequences. The contents of the compounds and their effects were monitored for a long term scale in the context of the research.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20402 - Chemical process engineering

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    METAL 2017: conference proceedings : 26th International Conference on Metallurgy and Materials : (reviewed version) : May 24th-26th 2017, Hotel Voroněž I, Brno, Czech Republic, EU

  • ISBN

    978-80-87294-79-6

  • ISSN

  • e-ISSN

    neuvedeno

  • Number of pages

    6

  • Pages from-to

    133-138

  • Publisher name

    Tanger

  • Place of publication

    Ostrava

  • Event location

    Brno

  • Event date

    May 24, 2017

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article