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Quicklime silo

Level
Quicklime silo

Overview

Quicklime is an important substance for the recovery of lye in pulp production. It is produced in the lime kiln through the combustion of lime sludge from causticisation. The quicklime is conveyed via a bucket elevator into the quicklime silo, where it is temporarily stored, and then discharged via screw conveyors into the lime dosing feeder for the causticising process. Continuous level measurement in the quicklime silo is required to ensure a reliable supply is readily available.

Operating Conditions

Measuring Task
Level measurement
Measuring Point
Silo
Medium
Pulp
Measuring Range
25 m
Temperature
+40 ... +80 °C
Pressure
0 ... 0 bar

Challenges

  • Dust and noise, material cones and troughs, bad reflective properties

Benefits

  • Reliable: Reliable readings in spite of difficult measuring conditions
  • Cost effective: Maintenance costs are saved through air cleaning of antenna
  • User friendly: One radar sensor for all silo sizes

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