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Buffer tank

Point LevelPressure
Buffer tank

Overview

In the smelter, above the fused salt electrolysis bath there are small buffer tanks that are pneumatically fed via pipelines. The alumina powder is dispensed into the melt bath in small quantities from these tanks. The filling of the buffer tank is controlled by the feed pressure. Full and empty alarms ensure optimal charging of the powder.

Operating Conditions

Measuring Task
Pressure measurement and point level detection
Measuring Point
Tank
Medium
Alumina powder
Measuring Range
1.5 m
Temperature
0 … +30 °C
Pressure
0 … +0.5 bar

Challenges

  • Strong dust generation

Benefits

  • Reliable: Reliable function under all operating conditions
  • Cost effective: Simple installation into existing vessels
  • User friendly: Maintenance-free operation

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