Steam separation system and nuclear boiling water reactor including the same

A steam separation system disposed over a core in a reactor pressure vessel of a nuclear boiling water reactor, the steam separation system comprising:

• a plurality of steam separators configured to separate a first portion of a liquid from a first gas-liquid two-phase flow stream;
• and
• a steam dryer system above the steam separators, the steam dryer system including a plurality of steam dryer bank assemblies, and
• at least one moisture trap between adjacent ones of the plurality of the steam dryer bank assemblies, each of the steam dryer bank assemblies and the at least one moisture trap being configured to separate at least some of a liquid from a second gas-liquid two-phase flow stream exiting the steam separators, the at least one moisture trap including,
• a housing including a top outer wall having a plurality of orifices therethrough.