套头式热管余热装置的设计与应用

Design and application of heat recovery steam generator with pullover-style heat tube

介绍了套头式热管余热装置的结构原理、工程应用、设计参数的选取,烟气侧强化传热的计算、肋片大小、肋片间距的优化。阐述了热管放热段换热系数的计算及蒸汽流速对热管传热的影响。根据热能平衡理论,给出了热管传热段和热管放热段参数的计算方法。

Presents the Structure principle, engineering application, selection of design parameters for heat recovery steam generator （HRSG） with pullover-style heat tube （PHT）, the determination of heat tube diameter, Calculation of enhancement of heat transfer, size and separation distance optimization of the radiator fin at the flue gas side. Expounds the calculation of heat transfer coefficient in the heat-release side and the influence of vapor speed on heat transfer of the tube. Proposes the calculation methods for parameters at both the heat-emission and the heat-release sides bv thermal equilibrium theorv.