New System for the Coal Preparation:Bedding System and Other Facilities
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概要
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The new yard blending system was adopted at the Mizushima Works of the Kawatetsu Chemical Industry Company, which was attempted for the first time in the coke industry, and was put to practical use on a commercial scale. A Hewitt-Robins double wheel type reclaimer was installed, and as an excellent advantage of this bedding system, the row-mixture in each cross-section towards pile length gives little variation. However, the reclaiming mechanism cannot avoid much variation of the components in the wheel cuts, that is, the harrows moving forth and back with the wheels through the pile areas, so the scooped coal is unsuitable as blended coal to coking. Therefore, as a means of resolving this defect, a large mixing system has been developed by our own technique and installed. Consequently, in comparison with the conventional blending system, the process has been simplified, making the blending quality more stable and the blending facility easily automated. Moreover, because of the large capacity of the system, a scale effect is expected, which is considered to reduce construction and operating costs.<BR>Otherwise it was possible to achieve a cost reduction for the stock yard system by the adoption of stackreclaimers. Those storage and reclaiming can operate smoothly the same as the conventional stacker and reclaimer system, since the travelling time is shortened. At other stations, extremely new facilities have been constructed, and with the exception of reclaiming operation at the stock yard all the facilities are controlled remotely from a central control room. Since the initial start up, all the operations have been smoothly performed and satisfactory results are being obtained.
- 一般社団法人 日本エネルギー学会の論文
一般社団法人 日本エネルギー学会 | 論文
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