Cycle water should be fresh and there is no sediment in the tube.
必须确保循环水必须是清洁的，而且管子中没有沉积物。
2
Though the improvement of manufacture technology of the modules welding between spire-wing tube and header for combined cycle heat recovery 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。
3
Results show that the spiral fluted tube condensers have higher heat transfer performance for binary cycle geothermal power station.