Journal of the Fuel Society of Japan
Online ISSN : 2185-226X
Print ISSN : 0369-3775
ISSN-L : 0369-3775
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Volume 34, Issue 8
Displaying 1-16 of 16 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1955 Volume 34 Issue 8 Pages 451
    Published: August 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.451
    JOURNAL FREE ACCESS
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  • Economical Consideration of Low Grade Coal Utilization
    Tasuku Watanabe
    1955 Volume 34 Issue 8 Pages 452-474
    Published: August 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.452
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    The output of low grade coal in 1953 amounted to about 20 million tons-8.80million of middling and refuse;5-6 million tons of coal having a calorific value of less than 1, 300kcal/kg;and 4 million tons of slurry. As for, utilization of them, power generation, bone coal drying, briquette-manufacture were so far performed though limited within a very small amount. However, the author cites by some instances that they have been consumed on a large scale and upgraded with remarkable progress in technology.That is to say, when a Martin stoker is applied to a boiler of 20t/day and operated using refuse, it makes a profit of 35 million yen per year, and further he describes the ash of the slag tag boiler, and the new method of utilization for cement manufacture from fly-ash.The author concludes that coal miners and users should go hand in hand to solve: this, problem.
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  • Thermal Power by means of Low Grade Coal Utilization
    Ikumasa Fukuda
    1955 Volume 34 Issue 8 Pages 475-480
    Published: August 20, 1955
    Released on J-STAGE: October 21, 2011
    DOIhttps://doi.org/10.3775/jie.34.475
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    In order to supply cheap electric power by reducing generation cost, thermal power by low grade coal utilization should be performed. It has been done-in Germany and in the United Kingdom.In our country, the coal with high ash content have to be Used for this purpose.There remain many points to be devised for improvement of the apparatus.At present, following three apparatuses are being considered:
    (1) one with the stoker together with fine coal combustion, (2) one with the Spreader-stoker, and (3) one with cyclone furnace.The author describes the above.(1) has been put to practical use and the result of the performance test is excellent.(2) is capable for combustion of coal containing up to 35% of ash content, and that it has an a advantage of less deposit on the heating surface.(3) is used to treat ash in the fusing state, and in Germany it is available for coal with ash content up to -35%, volatile matter, 10% and fusion point of ash, 1550°C.As for the low grade coals, they have many different prope-rties respectively, and so in practical use the above apparatuses should bechosen and taken after careful examinations of coal properties.
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  • Complete Gasification, of Coal Its Development and Future
    Akira Shimomura
    1955 Volume 34 Issue 8 Pages 481-489
    Published: August 20, 1955
    Released on J-STAGE: October 21, 2011
    DOIhttps://doi.org/10.3775/jie.34.481
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    The author describes the history of development of complete gasification processes in Japan, which first started in techniques using lump coal and air, and quite recently were turned into the use of pulverized coal and oxygen, and emphasizes that the problem of complete gasification of coal has never before attracted such attention as today.He systematically classifies and explains the various processes of gasifcation according to “flow” and “temperature” patterns.He also points out the future aspect of development of gasification in Japan, viz, complete gasification of pulverized coal with oxygen and steam in synthetic chemical industry;gasification of refuse by crossdraft Otto process for production of fuel gas and/or generation of electric power viaboilers or gas turbines;and production of town gas ay the Lurgi pressure gasification process.
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  • Manufacture of Slag Cement as One of Low Grade Coal Utilization
    Eiji Munakata, Haruo Sagawa
    1955 Volume 34 Issue 8 Pages 490-497
    Published: August 20, 1955
    Released on J-STAGE: October 21, 2011
    DOIhttps://doi.org/10.3775/jie.34.490
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    This study was carried out aiming at producing cement with the so-called rapid water-cooling slag, which is the slag exhausted out from slag tap type boiler furnace, and rapidly cooled by water, by addition of various kinds of additives.
    The fusing reaction furnace deviced by Asahi Kasei Kogyo Co.was applied, and the experiment was made using as raw material the slag obtained by rapid cooling with water of the fused ash of Kushiro coal. Adding individually or -combinedly as catalyzer calcium chloride, gypsum, and portland cement, the superior cement was obtained comparable with portland cement and also with one by blast furnace cement Sealithor used in Bergium.The cement manufacture is promising as one of the low grade coal utilization by tying it up with high efficiency of slag tap type boiler furnace.
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  • Salt-manufacture at Sakito Coal Mine by I se of Low Grade Coal (Its Plan and Design)
    Shoji Kamimura, Ichiro Makita
    1955 Volume 34 Issue 8 Pages 497-501
    Published: August 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.497
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    In Japan Rationalization for coal mines has recently called the utiliz-ation-of low Grade coal.The anthors mainly describes the plan and design of salt-manufacturing apparatus being put into operation at Sakito Coal Mine, Mitsubishi Coal Mining Co.by use of low Glade coal.
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  • Reconstruction of Namazuda Plant and the Apparatus for Treatment of Low Grade Coal
    Akira Wada
    1955 Volume 34 Issue 8 Pages 501-505
    Published: August 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.501
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    At Namazuda plant, the old one was fundamentally reconsrtucted so as to improve heat efficiency and further an individual apparatus was set to the newly establ-ished boiler in order to fully treat low Grade coal to which our attention has greatly been paid recently.The anthor describes the autline of the above.
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  • Note
    1955 Volume 34 Issue 8 Pages 506
    Published: August 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.506
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1955 Volume 34 Issue 8 Pages 507
    Published: August 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.507
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1955 Volume 34 Issue 8 Pages 507a
    Published: August 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.507a
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1955 Volume 34 Issue 8 Pages 507b-508
    Published: August 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.507b
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1955 Volume 34 Issue 8 Pages 507c-508
    Published: August 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.507c
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  • [title in Japanese]
    1955 Volume 34 Issue 8 Pages 508-509
    Published: August 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.508
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1955 Volume 34 Issue 8 Pages 509-511
    Published: August 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.509
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1955 Volume 34 Issue 8 Pages 511
    Published: August 20, 1955
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.34.511
    JOURNAL FREE ACCESS
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  • Erratum to : On the Removal of Nitrogeneous Gam from Town Gas
    1955 Volume 34 Issue 8 Pages 515
    Published: 1955
    Released on J-STAGE: February 23, 2011
    DOIhttps://doi.org/10.3775/jie.34.8_515
    JOURNAL FREE ACCESS
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