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Robust limit detection in palm oil digester

Maintenance free Soliphant FTM20 with no moving part

Reliably optimizing the digester process with minimal maintenance as compared to previous rotary limit switch.

Soliphant FTM20 is mounted at the side nozzle of the digester.

Results

  • Reliably optimizing the digester process with minimal maintenance as compared to previous rotary limit switch.
    • Reliable reading even under extreme build-up conditions
    • Accurate measurement

Challenges

The level control in the digester is important to ensure that the fruit capacity in the digester is controlled and well maintained at a preset value to ensure sufficient digestion time.

Our Solution

Soliphant FTM20 is a robust level limit switch for palm fruits in a digester which has high tendency of build-up in a conventional rotary switch. FTM20 requires no modification and calibration.

Benefits

  • No calibration: easy commissioning (plug and play)

  • Insensitive to build-up: maintenance-free operation

  • No mechanically moving parts:
    no wear, long operating life

  • Insensitive to external vibration

Process description

The digester commonly used consists of a steam-heated cylindrical vessel fitted with a central rotating shaft carrying a number of beater (stirring) arms. Through the action of the rotating beater arms the fruit is pounded. Pounding, or digesting the fruit at high temperature, helps to reduce the viscosity of the oil, destroys the fruits’outer covering and completes the disruption of the oil cells already begun in the sterilization phase.

Component

Point level detection Soliphant FTM20

  • Process connections: Threads

  • Temperature: -40 to +150°C (-40 to +302°F)

  • Pressure: -1 to +40bar (-14.5 to +580psi)

Contact

Ching Ching Ng
Endress+Hauser (M) Sdn. Bhd. No. 27, Jalan Astaka U8/84 Sekyen U8, Bukit Jelutong 40150 Shah Alam Selangor Malaysia
Tel.: +603 7843 3848
Fax: +603 7843 3800
Send email www.my.endress.com