Flow through Particle Layers Online Lab Store

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Description

Flow through Particle Layers

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Technical Description:-

  • Flow through particle layers is widely encountered in process engineering.
  • In reactors, packed and fluidised beds are subjected to through-flow by liquids and gases.
  • The separation of solids from suspensions by cake and depth filtration is another area of application.
  • With the fluid mechanic principles involved in flow through packed beds and fluidised beds can be investigated.
  • For the purpose, a fillable test tank made of glass is provided, through which water can be made to flow from both ends.
  • A sintered-metal plate serves as the base for bulk solids.
  • Water from the laboratory water connection flows into the test tank.
  • To investigate flow through packed beds, the water enters the test tank from the top.
  • It flows through the packed bed and the sintered-metal plate and passes by way of a distributor to the outlet.
  • The experimentation set-up can be modified by means of quick-release hose couplings.
  • This also enables the flow through the test tank to be reversed and fluidised beds to be investigated.
  • The water flows upwards through the porous sintered-metal plate and the packed bed.
  • If the velocity of the water is less than the so-called fluidisation velocity, the flow merely passes through the packed bed.
  • At higher velocities, a fluidised bed is formed.
  • The water flows from the head of the test tank into an expansion tank.
  • From there it flows into the outlet.
  • Regardless of the specific set-up, the flow rate is adjusted by a valve and indicated by a flow meter.
  • To determine the pressure loss via the packed bed or fluidised bed, two manometers with differing measuring ranges are provided.
  • The desired manometer is selected by way of valves.
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