Agent
P.C. Collard & Roe
Primary examiner
Jiping Lu
Application number
6324169
Kind
A
Document number
6244859
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Classifications

Rotary kiln

6244859 - 6324169 - USPTO

Application Aug 04, 2000 - Publication Jun 12, 2001

Franz Ragailler

Abstract

A rotary kiln (1) is equipped with a horizontal kiln drum (3), arranged rotatable and drivable in a furnace body (2), which kiln drum is closed at the charging and delivery side by end plates (4, 5) forming central charging or delivery openings (6, 7), respectively, and which can be heated from outside via a heating chamber (15) surrounding the drum shell and admitted with heating medium. To achieve a simple and solid drum construction at a good thermic efficiency, the kiln drum (3) consists of U-sections (18) arranged side by side along the drum circumference between the end plates (4, 5), which point radially inward with their open section side, and which are interconnected longitudinally in the touching end zones (19) of the section limbs (20), and along the circumference via reinforcing elements (23), having an axial distance to each other, bridging the remaining longitudinal gaps (21) between the section webs (22).

Description

Claims

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