30 PROJECTS & CONTRACTS


Screening losses stemmed at Leipa in Germany


Pulp Paper & Logistics


G


erman magazine and packaging papers manufacturer Leipa Georg Leinfelder GmbH


has had the fine screening systems in its deinking plants rebuilt by Andritz as part of efficiency and environmental improvements. At its Schwedt an der Oder mill, Leipa had being trying to deal with high fibre losses and needed a solution to determine the right settings for the tailing screen. Sebastian Stockfisch – head of the


two deinking plants and the effluent treatment system at Schwedt – speaks frankly about the mill’s original screening plant in DIP1: “We needed a separate machine operator just for this tailing screen


to move and re-adjust the levers again and again in order to avoid excessive losses.” It was clear to Leipa that a rebuild of the DIP1 coarse and fine screening plants was needed to lower pulp losses and improve pulp quality and that energy savings would also have to be one of the targets. “We had to make the project pay


for itself as well, and that is not possible simply by increasing the yield,” Stockfisch explains. Andritz had already rebuilt a DIP1


screw press at Schwedt in 2013, a project that had halved its energy consumption. In the second project, Andritz


replaced the inadequate tailing screen with a new ModuScreen


T4C, while the two screens in the first and second stages of preliminary screening were to be fitted with the latest slotted screen baskets and rotors. Also included were a new


standpipe and a feed pump to the final stage as well as a new AhlCleaner RB300HD4 high- consistency cleaner to protect the


new screen. In the fine screening sector, a new ModuScreen A44 was planned as the first stage, while existing screens would be used in the second, third, and fourth screening stages – the third preceded by an HD-cleaner from the existing equipment. All screens were also to receive new screen baskets and rotors.


Nanxiong Zhuji Paper Millstarts up new tissue machine


GuangDong ShaoNeng Co has successfully started up a new tissue machine at its Nanxiong Zhuji Paper Mill in China. The installation and


commissioning by Italy’s A.Celli Paper was completed on time at the end of September. This machine has a 2.85m


web width, a working speed of 1,600 m/min and a production capacity of 80 tons per day. Says A.Celli Paper in a release:


November/December 2017


“The machine was designed to answer all the customer’s


requests and demands in order to guarantee an enhancement


in production level, assured by optimum performance and paper quality, with consequent improvement in the finished product. “With this new machine


A.Celli offers the customer a leap forward in quality, aiming for important and ambitious production milestones in its quest to conquer an extremely interesting territory such as China represents.”


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