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BULK SOLIDS LABORATORY

Testing the physical properties of powder

  • Comparison of the flowability of bulk materials
  • Powder characterization
  • Identification of flow problems
  • Powder Rheology
  • Quality conformance test and product certification
  • Optimization of flow aids and/or processes
  • Silo calculations according to DIN EN 1991-4 or DIN 1055-6
  • Silo or bin activator design
  • Silo stress determination in filling and discharge states
  • Time consolidation of bulk materials
  • Pressure on the outlet
  • Ensuring mass flow in a silo
  • Calculation of the minimum outlet opening to avoid bridging
  • Problem solving in existing silos
  • Process control to prevent operational issues and/or damages
  • Avoid product change issues
  • ...
flowability / discharge performance of bulk solids
Measurements and evaluations of physical properties of powders and bulk solids

MEASUREMENT SERVICE

ASTM D6682
Take advantage of over thirty years of experience in bulk material analysis, providing all parameters necessary for characterization and further technological calculations. All measurements are performed on standardized and certified instruments, where structured process procedures ensure high quality and economic workflow.

  • YIELD LOCI
    ASTM D6682-A, angle of internal friction φi, effective angle of friction φe, cohesion τc, unconfined compressive strength σc, horizontal load ratio λ u. λ0,  flowability factor (FL, ffc)
    + time consolidation

  • WALL FRICTION
    ASTM D6682-B, wall friction angle φw, φx, wall friction coefficient μw, adhesion, approximation of wall friction,
    + wall friction time consolidation
    + wall friction changing

  • BULK DENSITY
    ASTM D6393, ISO 679 bulk density ρb0, ASTM D6682-C compression density ρb1), ASTM D6682-A flow density ρbr(σr)

  • BULK SOLID MOISTURE
    %M (percent moisture), %S (percent solid), ...

  • ANGLE OF REPOSE
    DIN ISO 4324, ASTM D6393

  • TAB DENSITY
    DIN EN ISO 787, ISO 3953, ASTM B527, Hausner-Ratio, Compressibility Index (%), ...

EVALUATION


Fail-safe and easy-to-use evaluations

Automatic analysis of the measurements and further calculations are available upon request. It is also possible to automatically calculate and compare different silo shapes and dimensions.


Schüttgutauswertungen
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