李忞智 張曉靈 石文星 史琳

摘 要：余熱蓄能系統(tǒng)應(yīng)用在分布式冷熱電三聯(lián)供（CCHP）系統(tǒng)中，可以有效改善系統(tǒng)性能，提高系統(tǒng)節(jié)能率。針對(duì)CCHP系統(tǒng)對(duì)蓄能系統(tǒng)的要求，該文設(shè)計(jì)搭建了最大功率30kW溴化鋰吸收式蓄能實(shí)驗(yàn)系統(tǒng)。該系統(tǒng)能夠測(cè)試不同冷熱源條件下，蓄能系統(tǒng)的特性（輸入特性以及輸出特性）。實(shí)驗(yàn)結(jié)果顯示系統(tǒng)運(yùn)行穩(wěn)定，說(shuō)明這一技術(shù)路線(xiàn)可行，滿(mǎn)足實(shí)際系統(tǒng)蓄能需要；同時(shí)蓄能裝置的實(shí)際蓄能密度達(dá)到90 kWh/m3，有效蓄能利用系數(shù)達(dá)到了0.5以上，達(dá)到了該領(lǐng)域的先進(jìn)水平。

關(guān)鍵詞：分布式 吸收式蓄能 溴化鋰 蓄能密度

Abstract：The performance of CCHP system can be greatly improved by using thermal energy storage （TES） device. Considering the feature CCHP system demands， a LiBr-H2O absorption energy storage system with highest output power 30 kW has been designed and built.The system can test the feature of storage device （including input characteristic and output characteristic） under different temperature conditions. The experiment results show that the system works smoothly； indicating this kind of storage technology is reliable. The energy storage density of the device is 90kWh/m3 and the effective storage index is 0.5， which reaches advanced level in this field.

Key Words：CCHP；Absorption energy storage；LiBr；Energy storage density

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