F - Mech Eng,Light,Heat,Weapons – 28 – D
Patent
F - Mech Eng,Light,Heat,Weapons
28
D
39/116, 49/77.5
F28D 11/00 (2006.01) C21B 3/08 (2006.01) F28C 3/12 (2006.01)
Patent
CA 1221534
ABSTRACT OF THE DISCLOSURE: To recover the sensible heat of slag the slag is allowed to solidify on the surface of a hollow cooling body pro- vided with a liquid internal cooling and is indirectly cooled by the liquid internal cooling. The liquid cooling medium of the liquid internal cooling is guided in a ther- modynamic cyclic process. In order to ensure as completely a recovery of the sensible heat of the slag as possible and a high percentage of glassy portions of the slag as well as a good grindability of the slag, the liquid slag on the surface of the cooling body is intensively cooled indirectly by the liquid cooling medium to a temperature of closely below the solidification temperature in a first cooling step. The solidified slag separated from the sur- face of the cooling body is then directly cooled by a gas flow in a second cooling step. The heated gas flow also is guided in a thermodynamic cyclic process.
440803
Enkner Bernhard
Mullner Paul
Fetherstonhaugh & Co.
Voest - Alpine Aktiengesellschaft
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