四角切圆煤粉炉炉内空气动力学特性的数值研究

Numerical Study of Aerodynamics Characteristics in the Furnace of Tangential Pulverized Coal-firing Boilers

与实验研究相比,数值模拟技术具有所需成本较低、快速、准确方便等诸多突出的特点,因此本文采用数值模拟技术对四角切圆煤粉炉内空气动力场进行了较为准确的计算,并根据数值计算结果对炉内一些重要位置的相关物理参量进行了详细的研究和讨论,从而为该类锅炉的设计、改造和优化运行提供一定的帮助。

Numerical simulation technique shows some prominent features such as low cost, accuracy and expediency compared to experimental research. Therefore, in this paper aerodynamic field of tangential-firing boiler is accurately calculated by means of numerical technique. According to the calculation results, some related physical parameters are analyzed and discussed in detail in order to provide some beneficial helps and references in the same type boilers design, retrofit and optimum operation.