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Patent

Apparatus for the performance of metallurgical or chemical reactions

Kurt R. Gohre
TLDR
In this article, an apparatus for performing metallurgical or chemical reactions in a rotary kiln is described, where the material is continuously turned over and thoroughly mixed during the whole process.
Abstract: 
The present invention relates to an apparatus for performing metallurgical or chemical reactions in a rotary kiln. The performance of metallurgical and chemical processes in a rotary kiln is advantageous Inasmuch as the material is continuously turned over and thoroughly mixed during the whole...

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Environmental chamber and method for composting solid waste

David E. Dalos
TL;DR: A rotatable environmental chamber for reducing solid waste includes a cylindrical container having front and rear end caps, seal bearings and support plates for journaling the container each having a central opening as discussed by the authors.
Patent

Gas injecting kiln shell nozzle with particle entry barriers

Petit Peter Joseph, +1 more
TL;DR: In this article, a port assembly for delivering fluid through a shell of a rotary kiln is disclosed with structures for screening and excluding particulate matter from the port during operation of the kiln.
Patent

Apparatus for direct iron reduction

Ando Ryo, +1 more
TL;DR: In a direct iron reduction process of the type utilizing a rotary kiln, oxidizing gas is blown into the bed in the rotary Kiln so as to increase the temperature of the bed and increase the speed of movement of the gas in the bed as mentioned in this paper.
Patent

Reduction kiln having a controllable distribution system

Eugene F. Rossi
TL;DR: In this paper, a process and apparatus for delivering fuel and air to a rotary reduction kiln where both the fuel and the air alternately flow through the same fluid distribution nozzle is described.
Patent

Method for manufacturing alkali chromates from chromium ore

Rainer Bellinghausen, +10 more
TL;DR: In this paper, a method for the decomposition of chromium ore in a directly heated revolving tube is described, in which oxygen-containing gases are introduced into the revolving tube by means of below-bed nozzles.