Closed vessel having a mid-wall repair

Abstract

A closed vessel having a mid-wall. The mid wall is disposed between an interior wall and an exterior wall of the vessel. A first nozzle extends from a first portion of the mid-wall to the interior of the vessel. A second nozzle extends from a second portion of the mid-wall to the exterior of the vessel. A weld is disposed between the second portion of the mid-wall and the second nozzle.

1 . A closed vessel, comprising:
 a mid-wall disposed between an interior wall and an exterior wall of the vessel; a first nozzle extending from a first portion of the mid-wall to the interior of the vessel;   a second nozzle extending from a second portion of the mid-wall to the exterior of the vessel; and   a weld disposed between the second portion of the mid-wall and the second nozzle.   
     
     
         2 . The closed vessel according to  claim 1 , wherein the weld comprises a plurality of weld layers. 
     
     
         3 . The closed vessel according to  claim 2 , wherein the plurality of weld layers comprises at least three weld layers. 
     
     
         4 . The closed vessel according to  claim 1 , wherein the weld has a thickness about equal to a thickness of a replacement nozzle. 
     
     
         5 . The closed vessel according to  claim 1 , further comprising:
 a clad disposed on the interior surface of the vessel; and   a connection disposed between the clad or combination of clad and vessel and the first nozzle.   
     
     
         6 . The closed vessel according to  claim 5 , wherein the connection comprises a weld.