solar thermal a single-pass evaporator with a local narrowing of the cross section at the entry

摘要

The present invention relates to a single-pass evaporator (1) for a steam generator for a solar thermal power station plant with direct evaporation, with several parallel connected collector strands (3), each with a steam generator tube (7), wherein at least a steam generator tube (7) at its entrance a local narrowing of the cross section (8) comprises. The present invention also relates to a steam generator and a solar thermal power station plant.