Glatt Ingenieurtechnik Gmbh

Frank Ohlendorf

Michael Jacob

Karlheinz Rümpler

Bernhard Wand

Reinhard Bober

Tilo Klöppel

Arne Teiwes

Reinhard Böber

A method for manufacturing particles including (a) bringing at least one starting material into a reactor, (b) subjecting the at least one starting material to a thermal treatment of a pulsating process gas stream in a treatment zone of the reactor, (c) forming particles, and (d) bringing the particles which are obtained in steps (b) and (c) out of the reactor. The at least one starting material is thermally treated in the treatment zone at a treatment temperature of 100° C. to 3000° C. and a retention time in the range of 0.1 s to 25 s, and a temperature regulation of the process gas stream is decoupled from the generation and maintenance of a pulsation of the process gas stream. Also provided is a reactor for manufacturing particles according to the method.

Method and reactor for manufacturing particles

A method and an associated apparatus for treating fine-grained material in a spouted bed. Here, the method and design for an associated apparatus for treating fine-grained material in a spouted bed eliminate the drawbacks of the prior art, allow different process conditions in the process chamber to be adjusted in a regulated manner, and has a simple and inexpensive structure. The method is provides that a nearly circular gas flow of the fluidizer is generated in the process chamber () by an external annular gap () lying on the y-z plane, the diameter of the nearly circular gas flow expands outward in the direction of the x axis inside the process chamber (), and a nearly circular gas flow of the fluidizer is generated by an internal annular gap () lying on the y-z plane, the diameter of the nearly circular gas flow expands inward within the process chamber (). A displacement member () and an annular central contour () are centrally disposed in the lower region of the process chamber () in such a way that an internal annular gap () is formed between the displacement member () and the inner contour of the annular central contour (), while an external annular gap () is formed between the outer contour of the annular central contour () and the lower outer edge of the process chamber () in order to feed the fluidizer.

Method and apparatus for the treatment of fine-grained material in a spouted bed

A method and a device for producing and/or conditioning powdered material. The aim of the invention is to provide a method and an associated device which are used for producing and/or conditioning powdered material in a spouted bed comprising inert particles and in which a dry, fine powder having a very small particle diameter is produced at a low cost and at adequately large quantities in a continuous operation. This aim is achieved by a method in which the material is treated in several stages in a spouted bed comprising inert particles. In the method, the powdered material that is preprocessed in a first spouted bed and is separated from the larger material particles in an integrated dust collector is fed to a superimposed second spouted bed as a material-gas flow along with the gas flow discharged from the first spouted bed in order to be further reduced in size and be conditioned. After separating the fine particles from the larger material particles in a dust collector that is integrated into the second stage, the fine particles are discharged from the two-stage spouted bed treatment along with the gas flow as a powdered material having very small particle diameters. The separated larger material particles are once again fed to the second spouted bed of the second jet chamber. The device includes a spouted bed apparatus in which a jet chamber encompassing an integrated dust collector as well as a second superimposed jet chamber encompassing another integrated dust collector are disposed.

Method and device for the production and/or conditioning of powdered material

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Kerspleben, Germany

Frank Ohlendorf