CHEMICAL HEAT STORAGE SYSTEM

To provide a chemical heat storage system whose heat storage tank (reaction tank) is simple and can be miniaturized, which prevents a chemical heat storage medium from being deteriorated.SOLUTION: A chemical heat storage system 1 used for a co-generation system includes; an engine 3 that generates h...

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Hauptverfasser: MATSUMOTO SHIGENORI, YAMAGUCHI MOCHIMASA, HAYASHI KANETOSHI, HIRAYAMA ATSUSHI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a chemical heat storage system whose heat storage tank (reaction tank) is simple and can be miniaturized, which prevents a chemical heat storage medium from being deteriorated.SOLUTION: A chemical heat storage system 1 used for a co-generation system includes; an engine 3 that generates heat; an exhaust gas boiler 5 that generates steam by the heat of the exhaust gas of the engine 3; a reaction tank 9 which stores a chemical heat storage medium 7 for absorbing heat by a dehydration reaction and generating heat by a reaction with steam; a first heat exchanger 11 for exchanging heat with the chemical heat storage medium 7 in the reaction tank 9; and a condensation evaporator 13 provided so as to communicate with the reaction tank 9 for performing condensation and evaporation of water. At heat storage time, the steam generated by the exhaust gas boiler 5 is supplied to the first heat exchanger 11, the chemical heat storage medium 7 is heated, and the heat is stored. At heat radiation time, water to be heated is supplied to the first heat exchanger 11, steam is supplied from the condensation evaporator 13 to the chemical heat storage medium 7, and the water supplied to the first heat exchanger 11 is heated by the heat generation of the chemical heat storage medium 7 to generate steam.SELECTED DRAWING: Figure 1 【課題】化学蓄熱材の劣化を防止して、蓄熱槽(反応槽)がシンプルで小型化が可能な化学蓄熱システムを提供する。【解決手段】本発明に係る化学蓄熱システム1は、コジェネレーションシステムに用いるものであって、熱を発生するエンジン3と、エンジン3の排ガスの熱により水蒸気を生成する排ガスボイラ5と、脱水反応により吸熱し、水蒸気との反応により発熱する化学蓄熱材7が格納された反応槽9と、反応槽9の化学蓄熱材7と熱交換を行う第1熱交換器11と、反応槽9に連通して設けられ、水の凝縮と蒸発を行う凝縮蒸発器13とを備え、蓄熱時においては、第1熱交換器11に排ガスボイラ5によって生成された水蒸気を供給して、化学蓄熱材7を加熱して蓄熱し、放熱時においては、第1熱交換器11に加熱する水を供給すると共に、凝縮蒸発器13から水蒸気を化学蓄熱材7に供給して化学蓄熱材7の発熱によって第1熱交換器11に供給された水を加熱して水蒸気を生成するようにしたことを特徴とするものである。【選択図】 図1