本文对一氨水功冷正逆耦合循环进行了经济性分析,该循环采用分流吸收系统对关键流股浓度、流量进行调节,满足了不同热力过程的不同浓度需求,联产后系统热力性能大为改善.本文考察基础循环工况下联产系统总投资、产品成本和回收期,与同等规模分产系统进行对比.结论如下:发电量约700 kW、制冷量约200 kW时系统总投资700多万元,回收期约4.5年,经济性良好;相对分产系统,节能近20%,总成本降低约15%,充分显示出联产优越性.参数敏感性分析表明电价对联产系统回收期的影响最大.
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