Patent ID: 9739539
Date: 2017-08-22
CPC Classifications: C10J,C10K,F01K,F28D,F28F,Y02E

Claim:
1. A system for preheating a vessel comprising: a pressure vessel comprising a throat comprising an area of excess heat and a dome adjacent to said throat comprising an area of deficient heat, said throat defining a channel extending from a pressure vessel opening to the pressure vessel interior; a plenum enclosed within said dome and defined between said throat and a seal circumscribing said throat, said throat extending from said dome proximate to said pressure vessel opening toward a floor of said dome, said floor erected substantially perpendicular to said throat; and a conduit coupled to said plenum for channeling a flow of purge fluid from external to said pressure vessel into said plenum, wherein heat from the area of excess heat is transferred to the flow of purge fluid in said plenum and the heat is carried by the flow of purge fluid into the area of deficient heat via a gap defined between said seal and said floor such that the flow of purge fluid facilitates reducing temperature differential stresses within said dome and said pressure vessel, and purges the area of deficient heat.