Patent ID: 6095064
Filing Date: 2000-08-01
Classification: F23G,F23J

Abstract:
A method for incinerating refuse and for treating the resulting slag, comprising the steps of:introducing refuse into an incineration cylindrical rotary kiln;incinerating the refuse in the incineration cylindrical rotary kiln thereby forming a slag or ash;removing the slag or ash from the incineration cylindrical rotary kiln in a dry state;immediately separating the slag or ash in a first screening stage into at least two fractions, a first fraction or screen underflow having a particle size of less than 32 mm;feeding the first fraction or screen underflow to a second classifying stage and separating the first fraction or screen underflow into a fine fraction having a particle size of up to 2 mm; andreturning at least part of the fine fraction to an air-inlet side of the cylindrical rotary kiln for incineration of the fine fraction.