Journal of the Fuel Society of Japan
Online ISSN : 2185-226X
Print ISSN : 0369-3775
ISSN-L : 0369-3775
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Volume 45, Issue 2
Displaying 1-6 of 6 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1966 Volume 45 Issue 2 Pages 51
    Published: February 20, 1966
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.45.51
    JOURNAL FREE ACCESS
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  • Current Problems in the Fire-fighting
    Kin-ichi Nakata
    1966 Volume 45 Issue 2 Pages 52-60
    Published: February 20, 1966
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.45.52
    JOURNAL FREE ACCESS
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    Study on the fire-fighting is apt to be neglected because it does not matter directly with productivity. Contrary to the remarkable technological development which was made after World War II, the age of science in the fire-fighting accentuates the sense of its being far late. As for the current technical problems for the fire-fighting, the author explains simply various kinds of fire-fighting agents such as water, foam, powdered one, the ones for noninflammable gas, etc. and furthermore he explains what the future way of the three dimensional fire-fighting should be in which airplanes or helicopters are used for big fires.
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  • Some Problems on the Fire Research and Fire-fighting Technique
    Kazuo Akita
    1966 Volume 45 Issue 2 Pages 61-66
    Published: February 20, 1966
    Released on J-STAGE: February 23, 2011
    DOIhttps://doi.org/10.3775/jie.45.61
    JOURNAL FREE ACCESS
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    Some attractive topics in the field of fire research and fire fighting technique were reviewed by two authors respectively.
    First part written by one of the authors (K. A.) contains fundamental problems such as combustion of cellulosic materials and liquid fuels, fire plume, smoke formation. and flame inhibition of additives, and second part written by another one of authors (A. N.) contains technical problems on the development of inert gas generator and prolongation of range of discharging water.
    As a whole, the studies on fire and fire fighting were made rapid strides in recent year, but are not quite satisfactory. In this review, authors made clear the present state of these studies under the light of new literatures and picked out the point of question.
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  • Some Problems on the Fire Research and Fire-fighting Technique
    Atsushi Nakakuki
    1966 Volume 45 Issue 2 Pages 67-70
    Published: February 20, 1966
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.45.67
    JOURNAL FREE ACCESS
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    Some attractive topics in the field of fire research and fire fighting technique were reviewed by two authors respectively.
    First part written by one of the authors (K. A.) contains fundamental problems such as combustion of cellulosic materials and liquid fuels, fire plume, smoke formation. and flame inhibition of additives, and second part written by another one of authors (A. N.) contains technical problems on the development of inert gas generator and prolongation of range of discharging water.
    As a whole, the studies on fire and fire fighting were made rapid strides in recent year, but are not quite satisfactory. In this review, authors made clear the present state of these studies under the light of new literatures and picked out the point of question.
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  • Development of the Coal Pelletizing Process from Coal Fines
    Minoru Saito
    1966 Volume 45 Issue 2 Pages 71-82
    Published: February 20, 1966
    Released on J-STAGE: February 23, 2011
    DOIhttps://doi.org/10.3775/jie.45.71
    JOURNAL FREE ACCESS
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    In the pelletizing process for coal fines are rolled into balls of 5-50mm diam. The addition of 5 to 10 percent binder produces a product which after thermal drying, has sufficient stability to handling problems.
    This report deseribes the factor influencing the production of pellets by disc and drum type pelletizer.
    The results obtained are summerized as follows;
    (1) Most important factors (a) the amount of water (b) inclination of the disc or drum and (c) height of the rim.
    (2) If when we wish to make a high strength pellets, following conditons are required (a) size distribution is minns 100 mesh coal particles over than 30 percent (b) the emulsified coal tar pitch with lignin which serves as a binder to provide the strength necessary for waterproof and (c) inclination of disc is large.
    The hot gases used to dry the pellets are oil furnace or stack gases from a boiler plant. They are drawn from the hot gases by 150m3/min main fan which blows them into the oven and the exhaust gases carrying moisture from the pellets by 6 suction fans are discharged into atmosphere. The temperature of the gases as they pass up through the pellets is in the range of 120 to 170°C.
    Pelletization of preparation plant slurry has made possible the economic recovery of marketable coal.
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  • [title in Japanese]
    1966 Volume 45 Issue 2 Pages 88-91
    Published: February 20, 1966
    Released on J-STAGE: June 28, 2010
    DOIhttps://doi.org/10.3775/jie.45.88
    JOURNAL FREE ACCESS
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