Andritz has successfully completed the rebuild of a sludge screw press at Stora Enso’s Anjala paper mill in Anjalankoski, Finland.
The turnkey upgrade of the sludge screw press, which has been out of operation for the past few years, included dismantling of the baskets and shaft, rebuild of the baskets with new screen plates, overhaul of the counter-pressure unit, supply of all parts needed for the overhaul, as well as erection of the unit. The upgraded press replaced an existing, outdated sludge dewatering unit.
Prior to award of the order, intensive laboratory sludge tests were conducted by Andritz in order to check the suitability of the screw press for the dewatering capacity needed and the sludge to be processed.
