E105 伝熱管外面の流下液膜を用いた蒸気発生器の開発(OS-4 省エネルギー・小型分散電源・コジェネ技術,一般講演,地球温暖化防止と動力エネルギー技術)

概要

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Reduction of CO_2 emissions and energy saving are the urgent issues for many fields of industries at present. Steam, occupying considerable energy consumption rate in the whole industry, is generally generated using combustion gas being higher than 1,000 centigrade at boilers. However, the temperature loss is large at boiler process in the case of generated steam of 100 something centigrade. Therefore, we thought that energy saving could be accomplished if steam could be generated using low temperature heat resources. This presentation reports the development of steam generator in the case of low temperature difference between generated steam and heat resources. The steam generator was designed employing method of vaporization using falling films on heat transfer tubes, so that the size of the generator became compact The size was calculated in the case of generated steam flow late being 2,000 kg/h. The development requirements and the possibility will be discussed.
社団法人日本機械学会の論文
2008-06-18