Kamyr Kraft hard wood bleached pulp mill 130 ADT/day
EUROPE (Western and Northern)
Process: The digester is a Kamyr continuous one of 1.5 diam x 18 mts height, descendent flow.
Has a pre-impregnation stage. After that the unbleached pulp is cleaned in a centrifugal
stage and two stages of pressure screens and washing filters, Then has a O2
delignification stage with Soda addition and two washing filters. The final bleaching
stage is a Peroxide based with addition of Chelants and pH control, a Filter, three
bleaching ascendant towers and a final thickener and Stock Tower.
The process is high automated, with a modern DCS 800XA of ABB, with ABB, Metso,
NAF instrumentation.
Equipment:
•Pumps: Sulzer, KSB, NASH.
•Motors and electric components: ABB
•Gearboxes: SEW, Bonfigliolli, Flender.
•Coupling: Rexnord, Flender.
•Pneumatic: Festo.
•Instrumentation: ABB, Metso, E+H, Foxboro.
Chipper Capacity: 72 m3s /h. c
•Chipper Cartage 85”
•chipper Cartage 88”, drive was upgraded to ACS800 ABB and a AC induction motor of 710 kw.
Pulp Mill
- Digestion
Feeders: Chip Bin, Chip Meter, Low Pressure Feeder, High Pressure Feeder. Pre
impregnation and digester.
- O2 Delignification and Peroxide Bleaching ( pics 1 -2-3)
- Evaporation ( pic 4 )
- Recovery Boiler: it has 4 liquor guns, one smelt spout, 7 soot blowers clyde
bergemann, Electrostatic Precipitators Alstom EPIC.
- Causticizing & Lime Kiln ( last pic5 )