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Products  |  Process Engineering  |  Mechanical Process Engineering  |  CE 210
CE 210 Flow of Bulk Solids from Silos Show data sheet (pdf file) Print page
Technical Description

  This trainer was developed in cooperation with Prof. Dr. Schulze (from Braunschweig / Wolfenbüttel University of Applied Sciences). It permits observation of flow profiles as bulk solids flow out of silos. To that end, two identically shaped silos with transparent front walls and differing hopper wall materials are provided. As well as the influence of the wall material, the influence of the hopper wall angle of inclination on the outflow behaviour can also be investigated. It is possible to verify segregation processes during filling and emptying by means of sampling at the outlet and analysis using a sieve.

Learning Objectives / Experiments

- influence of wall material and angle of inclination of hopper wall on
  flow profile (mass/funnel flow) and outflow time
- segregation processes
- arching

* Observation of flow profiles
[1] investigation of the outflow of bulk solids from silos with wedge-shaped discharge hoppers
[2] 2 silos with differing hopper wall materials
[3] angle of inclination of hopper wall stepwise variable while outlet cross-section remains constant
[4] front walls of silos made of transparent material
[5] 2 coloured bulk solids with differing particle size ranges to visualise the flow profiles
[6] sieve to examine the segregation
[7] stopwatch to determine times taken to flow out
[8] demonstration of arching by moistening of the bulk solid
[9] practical verification of the design results obtained with CE 200 with regard to mass flow/funnel flow
Technical Data

2 silos with wedge-shaped hoppers
- base body cross-section: approx. 0,2x0,2m
- width of outlet cross-section: approx. 0,03m
- height: approx. 0,6m
2 bulk solids
- particle size ranges:
  approx. 100...250 / 250...500μm
Sieve mesh width: approx. 250μm


Dimensions and Weight
LxWxH: 800x600x1.100mm
Weight: approx. 80kg
Scope of Delivery
1 trainer (2 silos)
1 sieve
1 balance
1 stopwatch
2 packing units of bulk solid (plastic granulate)
1 set of instructional material
Order Details

083.21000  CE 210  Flow of Bulk Solids from


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