Journal of the Mining Institute of Japan
Online ISSN : 2185-6729
Print ISSN : 0369-4194
ISSN-L : 0369-4194
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Volume 49, Issue 584
Displaying 1-4 of 4 articles from this issue
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  • ON DEVELOPMENT AT MITSUI-BIBAI COLLIERY
    SABURO KAWASHIMA
    1933 Volume 49 Issue 584 Pages 887-909
    Published: December 22, 1933
    Released on J-STAGE: July 13, 2011
    DOIhttps://doi.org/10.11508/shigentosozai1885.49.887
    JOURNAL FREE ACCESS
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    Mitsui-Bibai Colliery is an enterprise covered Nippon Oil Co.'s Koju area and Mitsui Mining Co.'s Bibai area, the former being worked since 1923, but the lattervirgin field. By the consolidation of these areas, entry could be located at the most suitable site, resulting to, bring the greater part of coal seams above adit level and to lay out capital most efficiently. This agreement made five years ago affords a valuable example to investigate rationalized amalgamation of colliery workings.
    To arrange for the production of 600, 000 tons per year, developing the annexed coal field, double adit levels 2, 300m. long were started in June, 1929 and reached to coal seam in may, 1931.
    All the main roads were driven in the rock and coal is hauled through these roads by 8 tons electric locomotives. The capacity of tub is 2 tons.
    The mining system in long wall with chain conveyor.
    This installation is one of the modern colliery equipments in Japan.
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  • ON THE COPPER METALLURGY OF JAPAN
    KENZO IKEDA
    1933 Volume 49 Issue 584 Pages 910-926
    Published: December 22, 1933
    Released on J-STAGE: July 13, 2011
    DOIhttps://doi.org/10.11508/shigentosozai1885.49.910
    JOURNAL FREE ACCESS
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    In this paper, author explains the topic under the following items:-
    (1) The characteristics on the Japanese copper plants, (2) Copper production and market price, (3) Copper metallurgy at large, (4) The metallurgy of the Japanese copper plants, (5) Future improvement and the central smelting plan, (6) Man's power and applause for engineers. He puts the weight especially on the oxidizing smelting since its start, the pyritic smelting in blast furnace, the skilful tuyere handling with the dust' coal application, the success of the small basic converter, the rapid smelting with the high heat efficiency, the utilization of pyrite as fuel, acid and iron sources, and the central smelting plan. He lastly emphasizes about man's power, extending to the duty of engineers, with high appreciation on the ability of them.
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  • [title in Japanese]
    [in Japanese]
    1933 Volume 49 Issue 584 Pages 927-931
    Published: December 22, 1933
    Released on J-STAGE: July 13, 2011
    DOIhttps://doi.org/10.11508/shigentosozai1885.49.927
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1933 Volume 49 Issue 584 Pages 932-936
    Published: December 22, 1933
    Released on J-STAGE: July 13, 2011
    DOIhttps://doi.org/10.11508/shigentosozai1885.49.932
    JOURNAL FREE ACCESS
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