Pulp Paper & Logistics


PROJECTS & CONTRACTS 27


New tissue machine starts up early at Syasstroy mill


Paper mill in Syasstroy, in the Leningrad region of Russia, was well ahead of schedule, reports Toscotec, which supplied it. The addition of the Ahead-1.5M machine, PM3, makes the mill one of the most efficient in Russia, with production of 110,000 tons a year and 2,000 employees, almost twice the productivity of many competitor mills, says Toscotec, which is based in Lucca, Italy. “The Toscotec Ahead-1.5M tissue making line is designed to produce high quality tissue from dry and slush pulps, entailing


T


he new 45,000 ton/ year tissue machine that came on stream recently at the Syassky Pulp and


a real reduction of the mill’s energy cost,” said Irina Mozhaeva, chairman of Syassky PPM. “That is important not only for us but also for our customers who realize the importance of sustainable industrial production.


Toscotec has well understood our technological target as well as economical needs. Our partnership begun in 2009 with two new rewinders and continued in 2012 with the PM2 Ahead line, until this new


successful cooperation.” The project, the agreement for which was signed in December 2014, included the crescent former tissue machine with a single layer headbox, single press configuration with suction pressure roll TT SPR1045, a 12ft- diameter steel Yankee dryer TT SYD-12FT and a reel section TT Reel-P. The delivery also included the stock preparation plant, gas heated hood and steam and condensate system as well as electrification and control systems. Engineering and services (including erection supervision, commissioning, start up assistance and training) completed the package.


Proven technology for rebuild at Koehler’s Kehl mill


German independently-owned paper maker Koehler has awarded a contract to rebuild its PM1 machine at its Kehl mill to Voith, with a view to improving quality of its speciality papers and increase energy efficiency, along with the potential for a future capacity improvement. The PM1 machine has been


producing carbonless paper and thermal paper since 1988. The upgrade includes the installation of a Voith MasterJet Pro F/B headbox and conversion of the approach flow system. The MasterJet Pro F/B will be


fitted with ModuleJet dilution water technology to achieve optimum basis weight profiles.


It is also equipped with lamella technology for optimum jet quality and an EdgeModule as an effective tool for fast optimisation of fibre orientation in the event of grade changes or large differences in grammages. The proven OnQ Profilmatic CD


profile controller, which is already operating on the PM1’s DynaCoat coater, is used to achieve better basis weight profiles and minimal settling times in the case of grade changes.


On the MasterJet Pro F/B,


energy is saved for example due to the absence of the return pipe on the cross-flow header of the HC line. This reduces the volume flow to the headbox, so that less


pump energy is required. The rebuild in the approach


flow system includes an IntegraGuard screen for both main and dilution water line. The IntegraGuard screen is setting benchmarks for minimal pressure pulsations with maximum screening efficiency. This is primarily the result of the proven combination of C-bar screen basket and Multifoil rotor. The conical, eccentric housing ensures that there are no deposits or strings. Additional energy is saved by means of the optimised flow in the IntegraGuard with minimal pressure losses and the switch to a two-stage screening process


in the modified approach flow system. Pulsation measurements in the approach flow system conducted by Voith have shown that in combination with the low- pulsation IntegraGuard screen, there is no need for a pulsation damper in front of the headbox. The investment in the rebuild of the PM1 therefore helps ensure that the production facility in Kehl for carbonless paper and thermal paper continues to be one of the most modern and economic paper machines of its kind. Koehler Paper Group operates


four sites in Germany and last year sold 500,000 tons of paper products with a sales value of €675 million.


July/August 2016


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