Patent ID: 6823607
Filing Date: 2004-11-30
Classification: F27B,F27D

Abstract:
A plant for the drying and treatment of a pourable mineral material, comprising:a rotary drum for conveying the pourable mineral material and including a drum casing, an introduction region, and an outlet end, the rotary drum being inclined in a conveying direction of the pourable mineral material and including a plurality of transport blades disposed in an introduction region of the drum; a bypass disposed in the drum casing at the introduction region for conveying air; a shaft in sealing connection with the outlet end and configured to receive the pourable mineral material from the rotary drum; a combustion apparatus emitting smoke gases through the rotary drum cocurrently with the pourable mineral material; a fan providing a vacuum in the shaft; and a Venturi fitting disposed coaxially in the rotary drum upstream of the outlet end.