Patent ID: 11901088
Assignee: SMR INVENTEC, LLC
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC G  Y | IPC G

Claim 0:
1. A method of heating a primary coolant to a no-load operating temperature in a nuclear steam supply system, the method comprising:
a) filling a primary coolant loop within a reactor vessel and a steam generating vessel that are fluidly coupled together with a primary coolant;
b) drawing a portion of the primary coolant from the primary coolant loop and into a start-up sub-system;
c) heating the portion of the primary coolant within the start-up sub-system to form a heated portion of the primary coolant; and
d) injecting the heated portion of the primary coolant into the primary coolant loop;
wherein step d) further comprises injecting the heated portion of the primary coolant directly into a riser pipe positioned within the steam generating vessel and fluidly coupled to the reactor vessel.