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A METHOD FOR RECOVERING THE SENSIBLE HEAT OF SLAG AS WELL AS AN ARRANGEMENT FOR CARRYING OUT THE METHOD
A METHOD FOR RECOVERING THE SENSIBLE HEAT OF SLAG AS WELL AS AN ARRANGEMENT FOR CARRYING OUT THE METHOD
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机译:一种回收渣渣热的方法以及实施该方法的装置
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摘要
To recover the sensible heat of slag the slag is allowed to solidify on the surface of a hollow cooling body provided 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 thermodynamic 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 surface 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.
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