Refining control withDrainage Measurement

Drainage MeasurementBTG transmitter DRT-5200

On-line Freeness measurementBenefits

Simple and accurate measuring methodControl over energy consumption and fiber utilizationAllows automatic freeness control

Sampling,dilution andmixing phase

MeasuringphaseCleaning phase

Formationphase

TempTimeWaterAIRWaterMeasuring principle

When consistency is above 1 %, it flocculates and forms water channels.Flocculation disturbs the drainage measurement when consistency is above 1%.Measuring principleDilution of the sample before measurement

Refining benefitsNo refining After refining

Refining control benefitsCSF600.00% LOAD100%50.00100.0001234567Day1-DRT-52002-Lab3-Refiner load

Refining control benefitsMD CALIPER SPREAD0.1090.064FEB1 - SEP 18 BASELINESEP 19 - OCT 31 FREENESS CONTROL0.150.10.050

Refining control strategyDrainageRate ControlSpecific RefiningEnergy ControlSPSPFTCRC

Technical dataFreeness range 700-15 CSF/15-98SRMax media temp. 95C/203FAutomatic temp compensation for water temp variationConsistency range 1-6 %Drainage Rate TransmitterDRT-5200

Drainage Rate TransmitterBenefitsLow cost and simple installationQuick on-line measurement with signal update in < 2 minLow maintenance requirement DRT-5200