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Batching tank for coatings

Level
Batching tank for coatings

Overview

The press rolls are cleaned during product changes or shutdowns of the paper machine and then treated with a special coating agent. This protects them from adhesions and deposits that could cause the paper web to tear or split in the machine. The coating agent is mixed with hot water in a batching tank at a temperature of 50 °C, and pumped to various points in the machine. To maintain automatic operation, the level in the batching tank must be measured and the filter status monitored continuously.

Operating Conditions

Measuring Task
Level measurement
Measuring Point
Batching tank
Medium
Hot water with coating agent
Measuring Range
0.5 m
Temperature
+20 … +50 °C
Pressure
0 … 0 bar

Challenges

  • Temperature change from cold to hot, low liquid levels, rapid filling

Benefits

  • Reliable: Reliable level measurement despite extreme temperature changes
  • Cost effective: Accurate measurement even in small tanks
  • User friendly: Sensor removal during tank cleaning not necessary

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