This paper describes the requirements and the difficulty encountered in preparing the data for the consumption calculations of a waste heat recovery boiler (WHRB). The study is performed based on continuous monitoring of the operating data by considering the extensive thermal surfaces and a large number of small-serrated fins. The recovery boiler efficiency improved using optimization of temperature profile by better surface arrangement. Then, the suggested designed waste heat recovery boiler is accessible and conducted in a real combined cycle power plant (CCPP). The CCPP optimization is performed based on the new WHRB with and without optimal saturation temperature, and the recovery boiler optimal temperature is obtained based on the objective function. The founded values of the CCPP at different temperatures are verified and compared to the regular operation. The important findings include four categories. First, the gas temperature of the recovery boiler will decrease slightly while the efficiency will increase by increasing the load changes. Second, the dependency of the decision parameters of the CCPP to the ambient temperature is effectively high, and any changes in the efficiency depending on the ambient temperature. Third, the exergy efficiency increment without affecting the total exergy can be performed by using the low-pressure saturation temperature as a decision-making parameter. Forth, 17.9% improvement in the entire cycle efficiency and a 2.14% increase in WHRB exergy are observed after incrementing the cost by 14.48%.

本文介绍了为废热回收锅炉（WHRB）的能耗计算准备数据时的要求和遇到的困难。该研究是基于对运行数据的连续监控，并考虑了广泛的热表面和大量小锯齿状散热片而进行的。通过更好的表面布置来优化温度曲线，从而提高了回收锅炉的效率。然后，可以访问建议的设计的废热回收锅炉，并在真正的联合循环电厂（CCPP）中进行。基于新WHRB在有和没有最佳饱和温度的情况下进行CCPP优化，并根据目标函数获得回收锅炉​​的最佳温度。将验证CCPP在不同温度下的设定值，并将其与常规操作进行比较。重要发现包括四个类别。首先，通过增加负荷变化，回收锅炉的燃气温度将略有降低，而效率将提高。其次，CCPP的决策参数对环境温度的依赖性实际上很高，并且效率的任何变化都取决于环境温度。第三，可以通过使用低压饱和温度作为决策参数来执行不影响总火用的火用效率增加。第四，将成本增加14.48％后，可以观察到整个周期效率提高17.9％，WHRB火用提高2.14％。首先，通过增加负荷变化，回收锅炉的燃气温度将略有降低，而效率将提高。其次，CCPP的决策参数对环境温度的依赖性实际上很高，并且效率的任何变化都取决于环境温度。第三，可以通过使用低压饱和温度作为决策参数来执行不影响总火用的火用效率增加。第四，将成本增加14.48％后，可以观察到整个周期效率提高17.9％，WHRB火用提高2.14％。首先，通过增加负荷变化，回收锅炉的燃气温度将略有降低，而效率将提高。其次，CCPP的决策参数对环境温度的依赖性实际上很高，并且效率的任何变化都取决于环境温度。第三，可以通过使用低压饱和温度作为决策参数来执行不影响总火用的火用效率增加。第四，将成本增加14.48％后，可以观察到整个周期效率提高17.9％，WHRB火用提高2.14％。实际上，CCPP决策参数对环境温度的依赖性很高，效率的任何变化都取决于环境温度。第三，可以通过使用低压饱和温度作为决策参数来执行不影响总火用的火用效率增加。第四，将成本增加14.48％后，可以观察到整个周期效率提高17.9％，WHRB火用提高2.14％。实际上，CCPP决策参数对环境温度的依赖性很高，效率的任何变化都取决于环境温度。第三，可以通过使用低压饱和温度作为决策参数来执行不影响总火用的火用效率增加。第四，将成本增加14.48％后，可以观察到整个周期效率提高17.9％，WHRB火用提高2.14％。