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Model Development of a Blast Furnace Stove
RISE., Swerea, MEFOS.ORCID-id: 0000-0002-5662-570X
Luleå university of technology, Sweden.
SSAB, Sweden.
Siemens VAI Metals Technologies, US.
Visa övriga samt affilieringar
2015 (Engelska)Ingår i: Energy Procedia, Elsevier Ltd , 2015, s. 1758-1765Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

A large amount of energy is required in the production of steel where the preheating of blast in the hot blast stoves for iron-making is one of the most energy-intensive processes. To improve the energy efficiency it is necessary to investigate how to improve the hot blast stove operation. In this work a mathematic model for evaluating the performance of the hot blast stove was developed using a finite difference approximation to represent the heat transfer inside the stove during operation. The developed model was calibrated by using the process data from the stove V26 at SSAB Oxelösund, Sweden. As a case study, the developed model was used to simulate the effect of a new concept of OxyFuel technique to hot blast stoves. The investigation shows that,by using the OxyFuel technique, it is possible to maintain the blast temperature while removing the usage of coke oven gas. Additionally, the hot blast temperature increases while the flue gas temperature decreases, which allows for an increase of the blast temperature, leading to improved energy efficiency for the hot stove system.

Ort, förlag, år, upplaga, sidor
Elsevier Ltd , 2015. s. 1758-1765
Nyckelord [en]
blast furnace stove, flame temperature, flue gas, heat transfer, hot blast, Blast furnaces, Coke ovens, Energy efficiency, Finite difference method, Flue gases, Blast temperature, Developed model, Finite difference approximations, Flame temperatures, Flue gas temperatures, Hot blast stoves, Mathematic model, Model development, Stoves
Nationell ämneskategori
Naturvetenskap
Identifikatorer
URN: urn:nbn:se:ri:diva-42222DOI: 10.1016/j.egypro.2015.07.454Scopus ID: 2-s2.0-84947093980OAI: oai:DiVA.org:ri-42222DiVA, id: diva2:1379674
Konferens
7th International Conference on Applied Energy, ICAE 2015, 28 March 2015 through 31 March 2015
Anmärkning

Funding details: 36278-1; Funding details: European Commission; Funding details: Swedish Insitute; Funding text 1: The authors gratefully acknowledge the European Commission for financial support of this research work (OptiStove, Contract No. RFSR-CT-2012-0003). In addition, In addition, the Swedish partners would like to express their thanks to the Swedish Energy Agency (Energimyndigheten) for the financial support in this research work (Project number: 36278-1).

Tillgänglig från: 2019-12-17 Skapad: 2019-12-17 Senast uppdaterad: 2023-03-31Bibliografiskt granskad

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Zetterholm, Jonas

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