Economizer - Economizer

Japanese: エコノマイザー - えこのまいざー
Economizer - Economizer


[Configuration and Efficiency]
The main parts of a boiler are a steel vessel (the main body of the boiler) that holds water and steam, and a fuel combustion device and combustion chamber. In addition to these, there are also superheaters to superheat the steam above its saturation temperature, reheaters necessary for steam power plants that use a reheat cycle, economizers and air preheaters that use the residual heat of the combustion gas to preheat the feedwater and air sent to the combustion device, as well as ventilation equipment, water supply equipment, and exhaust gas treatment equipment for environmental protection. The performance of a boiler is represented by the ratio of the amount of heat effectively transferred to the water side and used to create steam to the total amount of heat generated when the supplied fuel is completely burned, and this value is called the boiler efficiency.

*Some of the terminology that mentions "economizer" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[構成と効率]
 ボイラーの主要部は,水および蒸気を入れる鋼鉄製容器(ボイラー主体)と,燃料の燃焼装置および燃焼室との二つである。これらに加えて,蒸気を飽和温度以上に過熱するための過熱器,再熱サイクルとなっている蒸気原動所の場合に必要な再熱器,燃焼ガスの余熱を利用して給水や燃焼装置に送る空気を予熱する節炭器(エコノマイザー)や空気予熱器,さらに,通風装置,給水装置,環境対策のための排ガス処理装置などが設けられている。 ボイラーの性能を代表するのは,供給された燃料が完全燃焼するとき発生する総熱量に対して,有効に水側に伝えられ蒸気を作り出すために使われた熱量の占める割合であって,この値をボイラー効率という。…

※「エコノマイザー」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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