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Journal of Kunming Metallurgy College ›› 2023, Vol. 39 ›› Issue (2): 1-.DOI: 10.3969/j.issn.1009-0479.2023.02.001

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Process overview and development of zinc-containing steel solid waste treatment

LIN Anchuan,LIU Xiaolan
  

  1. (1.  Kunming Industrial Vocational and Technical College, Kunming, Yunnan 650302China;2.  Smelting plant, Kunming Steel&Iron CoLtdChina Wuhan Steel Group CoLtdKunming, Yunnan 650302China; 3.  School of Material Science and Engineering, Chongqing UniversityChongqing 400044China)

  • Received:2023-02-02 Online:2023-04-30 Published:2023-11-10

Abstract:

The solid secondary resources produced in the daily production of iron and steel enterprises have intensified the enrichment of harmful elements such as potassium, sodium,lead and zinc to a great extent. In particular, the removal efficiency of zinc element,which has the greatest influence on the blast furnace body damage and smelting technical index,is limited,In this paper, the typical production process of solid waste treatment of zinc containing steel in rotary kiln,rotary hearth furnace,DK, etc.,is analyzed and preliminarily studied. On this basis,the process route of full production of iron and steel solid waste and self-recycling in the plant is put forward. It can not only digest steel slag,dust removal and other solid waste,expand the utilization of resources,and improve the added value of products. It provides reference for iron and steel enterprises with similar resource characteristics.

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