F - Mech Eng,Light,Heat,Weapons – 22 – B
Patent
F - Mech Eng,Light,Heat,Weapons
22
B
122/40
F22B 1/18 (2006.01) F22G 1/00 (2006.01)
Patent
CA 1166532
WASTE HEAT BOILER AND STEAM SUPERHEATER SYSTEM ABSTRACT The invention relates to an improved design of a waste heat boiler and a steam superheater, in particular a floating head design of a waste heat boiler and a steam superheater in a system for producing superheated steam in an ammonia process. The waste heat boiler comprises: a shell having at the lower end a portion of reduced cross-section containing an expansion joint, a tube bundle within said shell, the top of said bundle affixed to said shell and the bottom being a hollow floating head, a head at the upper end of said shell having a plurality of steam outlets, pipe means attached to said floating head, said pipe means extending through said lower end portion of reduced cross-section of said shell and attached to said shell below said expansion joint for intro- ducing water to said tubes of said tube bundle, inlet means in said shell for passing a process stream in indirect cocurrent exchange with the water in said tubes, and outlet means in said shell for removal of said process stream.
397560
Kellogg (m.w.) Company (the)
Kirby Eades Gale Baker
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