FIELD: processing of particles.
SUBSTANCE: group of inventions relates to a method and device for additional processing of particles carried in the process gas of a device for the generative production of three-dimensional objects. The method for post-processing the device for generative production of three-dimensional objects of particles carried in the process gas includes directing the particles into the filter chamber. The process gas is formed by a gas which is vented, in particular pumped out, from the process chamber of the device for generative production. An oxidizing agent is supplied to the particles and an oxidation reaction of the particles with the oxidizing agent is initiated. The supplied oxidant is supplied to the environment of the particles and/or is present in the environment of the particles, which is formed by the process gas. Also claimed is an after-treatment device for additional processing carried in the process gas device for the generative production of three-dimensional particle objects.
EFFECT: group of inventions provides an improvement of the method and device for additional processing of three-dimensional particle objects, carried in a process gas of the device for the generative production, in particular particles of condensed metal, in which the risk of uncontrolled particle ignition is minimized.
16 cl, 4 dwg, 1 ex
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