Coal-fired thermal power generating unit boiler thermal efficiency real-time calculation method and related device

• Main Authors: LI DEBO, CHEN ZHAOLI, FENG YONGXIN, CHENG MINGTAO, CHEN TUO, ZHOU JIELIAN, CHEN ZHIHAO, ZHONG JUN, ZHAO NING
• Format: Patent
• Language: Chinese; English
• Published: 20.08.2021
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The invention discloses a coal-fired thermal power generating unit boiler thermal efficiency real-time calculation method and a related device. The method comprises the steps of obtaining real-time boiler related data of a thermal power generating unit boiler; according to the real-time related data, calculating the total external heat, the total fuel low heating value and the total boiler loss heat of the thermal power generating unit boiler; carrying out summation calculation according to the total external heat and the total fuel low heating value, and obtaining the total heat input into the system boundary; and calculating the boiler thermal efficiency according to the total heat input into the system boundary and the total boiler loss heat. The technical problems that an existing boiler thermal efficiency calculation method is low in calculation result precision and poor in stability can be solved. 本申请公开了一种燃煤火电机组锅炉热效率实时计算方法及相关装置，方法包括：获取火电机组锅炉的实时锅炉相关数据；根据实时相关数据分别计算出火电机组锅炉的总外来热量、总燃料低位发热量和总锅炉损失热量；根据总外来热量和总燃