Vapor generating superheating and reheating unit

Claim 1

A VAPOR GENERATING SUPERHEATING AND REHEATING UNIT WHEREIN A HEATING FLUID PASSES IN INDIRECT HEAT TRANSFER RELATIONSHIP WITH A VAPORIZABLE FLUID COMPRISING: A. A VERTICALLY ARRANGED PRESSURE VESSEL COMPRISING AT LEAST THREE SEPARATELY REMOVABLY CIRCUMFERENTIALLY EXTENDING WALL SECTIONS AND A REMOVABLE CLOSURE HEAD FORMING THE UPPER PORTION OF THE VESSEL, B. A BANK OF VERTICALLY EXTENDING VAPOR GENERATOR TUBES POSITIONED WITHIN THE LOWER END OF THE PRESSURE VESSEL, C. A VERTICALLY EXTENDING BANK OF SUPERHEATER TUBES DISPOSED WITHIN SAID VESSEL ABOVE SAID BANK OF VAPOR GENERATING TUBES, D. A VERTICALLY EXTENDING BANK OF REHEATER TUBES DISPOSED WITHIN SAID VESSEL COEXTENSIVE WITH SAID BANK OF SUPERHEATER TUBES, E. VERTICALLY EXTENDING BAFFLE MEANS LOCATED WITHIN SAID VESSEL BETWEEN SAID BANKS OF SUPERHEATER AND REHEATER TUBES FOR FORMING SEPARATE HEATING FLUID FLOW PATHS OVER SAID BANKS OF TUBES, F. INLET MEANS FOR SAID BANK OF VAPOR GENERATOR TUBES DETACHABLY CONNECTED TO SAID PRESSURE VESSEL AND POSITIONED BELOW SAID BANK OF TUBES, G. OUTLET MEANS FOR SAID VAPOR GENERATOR TUBES POSITIONED ABOVE SAID BANK OF TUBES AND ATTACHED TO A FIRST ONE OF SAID WALL SECTIONS, H. INLET MEANS AND OUTLET MEANS CONNECTED TO AND LOCATED ABOVE SAID BANK OF SUPERHEATER TUBES AND ATTACHED TO A SECOND ONE OF SAID WALL SECTIONS, I. INLET MEANS AND OUTLET MEANS CONNECTED TO AND LOCATED ABOVE REHEATER TUBES AND ATTACHED TO A THIRD ONE OF SAID WALL SECTIONS, AND J. HEATING FLUID INLET MEANS ARRANGED TO SUPPLY A SEPARATE STREAM OF HEATING FLUID TO EACH OF SAID BANKS OF N SUPERHEATER AND REHEATER TUBES.