Development of Shaft-type Scrap Melting Process Characterized by Massive Coal and Plastics Injection

この論文にアクセスする

この論文をさがす

著者

抄録

A shaft-type scrap melting process in which a large amount of pulverized coal and waste plastics are used as a heat source has been newly proposed. To confirm the characteristics of this process, an experimental furnace with 2 m<sup>3</sup> inner volume was continuously operated. The main results are as follows:<br> (1) Pulverized coal and plastics could be effectively used to melt steel scrap, and a newly designed oxygen burner enabled massive injection of such fuels. <br>(2) Combustion efficiency of coarse plastics was higher than pulverized coal due to the its accumulation effect in the raceway. Hydrogen chloride during polyvinylchloride injection was about 5 ppm in the gas cleaning system.<br> (3) Top charge of plastics generated tar derived from decomposition of plastics in the shaft with low temperature.<br> (4) Zinc charged with scrap was carried over as zinc oxide with dust in the upward gas, and no adhesion was recognized within the furnace.<br> (5) Maximum productivity was estimated to be 14 t/dm<sup>3</sup> from the viewpoints of flooding and melting rate of scrap. <br>On the basis of the above operation results of the experimental furnace, the operating condition of the commercial process was investigated.

収録刊行物

  • ISIJ international

    ISIJ international 37(10), 977-985, 1997-10-15

    The Iron and Steel Institute of Japan

参考文献:  9件中 1-9件 を表示

  • <no title>

    ISHINO T.

    Tetsu-to-Hagane 79, N343, 1993

    被引用文献1件

  • <no title>

    KAMEI Y.

    Tetsu-to-Hagane 79, 139, 1993

    被引用文献2件

  • <no title>

    JANZ J.

    Proc. of 3rd European Ironmaking Cong. 114, 1996

    被引用文献1件

  • <no title>

    FURUKAWA T.

    Rev. Metall., Cah. Inf. Tech. 549, 1990

    被引用文献1件

  • <no title>

    ARIYAMA T.

    Tetsu-to-Hagane 81, 703, 1995

    被引用文献1件

  • <no title>

    ASANUMA M.

    CAMP-ISIJ 9, 755, 1996

    被引用文献2件

  • <no title>

    ASANUMA M.

    CAMP-ISIJ 9, 754, 1996

    被引用文献2件

  • <no title>

    NAKAJIMA R.

    CAMP-ISIJ 3, 69, 1990

    被引用文献1件

  • <no title>

    VDI-WARMEATLAS Ec12, 1984

    被引用文献1件

被引用文献:  1件中 1-1件 を表示

各種コード

ページトップへ