The Energy Saving of the Power Plant

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  • 発電所の省エネルギー
  • ハツデンショ ノ ショウエネルギー

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Abstract

While no one predicts the future of the Japanese economy, each company is striving for cost reduction in order to survive. On the other hand, pulp and paper companies are tackling to energy-saving as the most important theme from the viewpoint of cost reduction and global environmental problem. At Chuetsu-Nomachi Mill, we have been proceeding to energy-saving in each process, then both the amount of generating steam and using power have increased due to the operation of No. 1 coater machine (April, 1998) and DIP facilities (October, 1999). After we tackled to energy-saving in order to lower the load of the mill, as a result, we were able to attain the heat recovery by passing the circulation water (about 70°C) of the Desox equipment of No. 4 boiler through the pre-heater of1st FDF and 2nd FDF, and also we were able to raise the temperature of the deionized water by change of the extraction of the raw water going into the deionized water equipment. The example of application is introduced, as follows.

Journal

  • JAPAN TAPPI JOURNAL

    JAPAN TAPPI JOURNAL 58 (5), 648-652, 2004

    JAPAN TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY

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