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Properties of particulate materials

The understanding of adhesions and packing properties of powdered materials influences, at least at first glance, very different technological problems. The following example aspects from the area of waste gas cleaning technology, show that particulate processes are involved and the optimization methods which have been researched at the chair:

-          Deposit forming on a heat exchanger surface in a boiler plant

-          Formation of filter cake in dedusting filters of dust removal facilities

-         Transport of powdered sorbents in turboreactors (dry gas cleaning)

 

  Deposit forming on a heat exchanger surface in a boiler plant


Ablagerungsbild

  Formation of filter cake in dedusting filters of dust removal facilities

Filterkuchenaufbau
 

Transport of powdered sorbents in turboreactors (dry gas cleaning)

Turbosorpanlage

The aim is the quantification of flow characteristics and packing conditions of granular and finely dispersed materials under process near conditions as a means of assisting the design and plant dimensioning. Investigation methods include calibration experiments, bulk solid movements in scheer configuration (shear cell, ring shear cell) and reproduction of packing structures and granular movement dynamics in bulk solid simulations (Discrete-Element process).

Reproduction of a particle shear configuration by means of Discrete-Element simulation

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Properties of particulate materials