Though the improvement of manufacture technology of the modules welding between spire-wing tube and header for combinedcycleheatrecovery boiler, difficulty of the assembling was shortened.
通过对联合循环余热锅炉螺旋翅片管与集箱焊接的组件的制造工艺进行改进，降低了装配难度。
2
The results would offer theoretical basis for control system of heatrecovery steam generator in the combinedcycle.
研究结果为联合循环余热锅炉控制系统的设计提供了理论依据。
3
Discussed the selecting principle of pinch point and approach temperature point it is belong to the HRSG (heatrecovery steam generator) of minitype combined gas-steam cycle.