Installations&startings

The Andritz tissue machine produces tissue for high-quality facial wipes, toilet paper, and napkins

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Customer: Bashundhara Paper Mills Limited 

Production: Tissue paper

Supplier: Andritz 

Description: The Andritz tissue machine – with a design speed of 2,100 m/min and a paper width of 2.85 m – produces tissue for high-quality facial wipes, toilet paper, and napkins. The 16 ft. PrimeDry Steel Yankee is made entirely of steel, thus enabling high and efficient drying performance, and was manufactured at the Andritz Steel Yankee Business Center in Foshan, China, which offers customers in Asia state-of-the-art manufacturing, local field service, and comprehensive quality management. For the company, it is the first high-speed tissue machine to be installed in Bangladesh.

Details: The tissue production line is equipped with the Andritz PrimeControl automation system for a high performance production process. For the very first time, Andritz has supplied a multi-motor drive (MMD) system with active line modules (ALM). The ALMs are designed for feeding energy back into the grid as a renewable energy solution, they offer low line harmonics that meet the demands of IEEE 519, and they enable stable operation of the motor, even with irregular power supply systems. All the tissue machine MMDs are powered from a common DC-busbar as are the approach flow and the air ventilation systems at times. The LV motors are installed from fiber preparation to the tissue machine auxiliary system.

Scope of supply: The scope of supply also included the complete stock preparation plant with approach flow system, fiber recovery and broke handling. The system features the ShortFlow concept, an overall and compact process design that significantly reduces the number of single machines and storage volumes. Market bales are dissolved in a FibreSolve FSV pulper, which enables efficient slushing without damaging the fibers. TwinFlo refiners ensure balanced and efficient operation as well as superior fiber properties. Fiber recovery is mainly handled by a RotoWash, which achieves low solids content in the effluent water. Two further pulpers from the FibreSolve product family are part of the broke system.

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