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“Schwedes + Schulze Schüttguttechnik GmbH” is a consultant company with powder testing facilities. We work on tasks in the fields of silo technology, powder characterization, and bulk solids handling. A main part of our work is silo design for flow, i.e. the design of silos and other bulk handling equipment in order to attain reliable operation. Reliable operation means that problems as listed below will not occur:
- flow obstructions like arching and piping,
- stagnant zones,
- wide residence time distribution,
- unsteady flow and flooding,
- problems according to insufficient interaction of silos, feeders, and conveying and dosage systems.
A second important part of our work is the measurement of flow properties of powders and bulk solids, e.g., flowability, internal friction, compressibility, time consolidation (caking) during storage at rest, sensitivity to attrition, influence of temperature or humidity, etc. These tests are important, for example, for comparative testing, product optimization (e.g. optimum percentage and type of flow agent, influence of variations of the production process), quality control.