30 PROJECTS & CONTRACTS


Upgrades for UMKA’s stock preparation in Serbia


S


tock preparation equipment supplied to UMKA for the upgrade of line 5 at its


cardboard mill at Umka in Serbia has been started up by Andritz. The line produces several


white-lined chipboard grades and with the new Fibre-Wash drum and efficient tail screening, considerable fibre savings are said to have been been achieved. The RejectCompactor dewatering the rejects achieves a dry content of 80 per cent.


excellent, so we are very satisfied with this project,” said Staniša Lukić, technical director at UMKA. Following a number of recent


Stock preparation line 5


processes mixed papers and board with a daily capacity of 320 tons.


“The quality of the technologies supplied by Andritz is outstanding and cooperation with the team was


Non-contact drying systems help save energy at Sappi Maastricht


Gas consumption has been approximately halved at the Sappi Maastricht mill in The Netherlands following the installation since 2012 of qDry Pro non-contact drying systems from Voith. Peter Pijpers, manager of process


technology and engineering at the mill, is delighted with the increase of energy efficiency: “Almost directly after start-up, the savings


were visible, and after only a few weeks, the savings exceeded our expectations.” To avoid deposits on the turning


rolls after the last applicator unit and the risk of colour defects on the paper, the turning rolls were replaced with an HCB-Turn, which allows contactless web turning, while ensuring energy-efficient hot air drying of the coated web


at the same time. Broke has been reduced thanks to this rebuild. Furthermore, higher final moisture while maintaining coating quality is possible. The energy savings of about 50


per cent were made possible by the qDry Pro concept, a combination of the HCB-Turn with the existing Voith InfraAir infrared dryers. The infrared dryers were modified and


Chinese paper mill renews five-year valve maintenance contract


A Chinese paper mill has been able to reduce its storage expenses, valve spare parts purchases and networking capital tied up in valves since the application of Metso’s Device Management Business Solution (previously known as


November 2013


Valve Management Solution). The five-year contract


service contract for the un-named mill started in 2008 and is continued for another five-year period. The contract covers areas such as inventory stock management,


spare parts agreement and pricing, delivery timescales, field services, rapid response services and technical guidance services. Metso says it has satisfied


the customer’s priority requirement of reducing its


rebuilds, the UMKA mill has an annual capacity of 125,000 tons and the plan is to increase this to 170,000 tons by the end of 2015. The board produced on the 3.2m-wide machine is mainly used as packaging for food, confectionery, pharmaceuticals, and other special products. The board is also laminated for use as transport packaging.


thermically connected to the HCB dryer. Thus, the HCB-Turn is now heated completely by the waste heat of the infrared dryers. Sappi is a world-leading producer of high-quality fine papers. In Europe, Sappi Fine Paper Europe has a production capacity of 3.7 million tons of fine paper and 1.1 million tons of pulp per year. With a working width of 4.3m, the PM6 line at Sappi Maastricht produces wood-free coated paper and board in a basis weight range of 180-400 g/m² at speeds up to 850 metres per minute.


inventory and also ensured that contract inventory is sufficient to cover all valves in critical parts of the process while saving costs. “With Metso’s service team


we do not have any worries,” said the customer. “We do not have to contend with inventory issues any longer, and neither do we have to consider matters such as on-site valve maintenance.”


Pulp Paper & Logistics


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