…The reason for the increased height is to compensate for the reduced circulation force caused by the smaller density difference between gas and liquid at high pressure. (b) Forced circulation water tube boiler When the operating pressure of a large boiler for a thermal power plant is high and approaches the critical pressure, the natural circulation system does not have enough circulation force. To solve this problem, a circulation pump is installed in the downcomer to circulate the water. This is called a forced circulation system. *Some of the terminology used to refer to "forced circulation water tube boilers" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…高さが大きくなるのは高圧で気液の密度差が少なくなって循環力が減るのを補うためである。(b)強制循環式水管ボイラー 火力発電所用の大型ボイラーで使用圧力が高く臨界圧に近づいてくると,自然循環式では循環力が不足してくる。これを解決するために降水管の途中に循環ポンプを設けて水循環を行わせるのが強制循環式である。… ※「強制循環式水管ボイラー」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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