ANDRITZ to supply High Energy Recovery Boiler for Holmen’s Iggesund mill, Sweden
International technology Group ANDRITZ has been awarded an order by Holmen AB’s subsidiary Iggesund Paperboard to supply a 2,400 t/d High Energy Recovery Boiler (HERB) to the Iggesund mill in Sweden.
In terms of its power-to-heat ratio, the new boiler will be the most efficient recovery boiler in the world. The start-up of the boiler will be in the second quarter of 2012. This is the fourth delivery of the modern HERB boiler design to Sweden.
The new boiler will increase Iggesund’s electricity production from 210 to 520 GWh/a. The investment is part of an energy efficiency program to make the Iggesund mill energy self-sufficient. The investment will also provide the conditions for the mill to operate without using any fossil fuels.
The operating values for the new boiler will be a design pressure of 110 bar and temperature of 515 ºC. The boiler will be equipped with a chloride and potassium removal system. Energy loss from flue gases will be minimized by flue gas condensers and a flue gas scrubber. ANDRITZ’s scope of supply will also include equipment for odorous gas handling and combustion in the boiler to minimize odors in the atmosphere.
ANDRITZ PULP & PAPER’s delivery also includes process and building instrumentation and electrification for the boiler. The scope includes process control systems for the boiler island (including the turbine and safety systems). Included in this package are ANDRITZ’s own dynamic process simulator and its advanced process control solutions.
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The ANDRITZ GROUP
The ANDRITZ GROUP is a globally leading supplier of plants and services for the hydropower, pulp and paper, metals, and other specialized industries (solid/liquid separation, feed and biofuel). The Group is headquartered in Graz, Austria and has a staff of approximately 13,400 employees worldwide. ANDRITZ operates over 120 production sites, service and sales companies all around the world.
ANDRITZ PULP & PAPER
ANDRITZ PULP & PAPER is a leading global supplier of turnkey systems and services for the production of all types of pulp, paper, tissue paper, board, fiber-board (MDF), nonwovens, as well as of biomass boilers and gasifiers for energy production. The technologies available are employed for the processing of logs and annual fibers, the production of chemical and mechanical pulps as well as recycled paper fibers, recovery and reuse of chemicals, generation of energy from biomass, preparation of paper machine furnish from virgin or recycled fibers, production of paper, tissue paper and board, calendering and coating of paper, and the handling of reject materials and sludges. Services include complete mill maintenance, equipment upgrades and rebuilds, engineered wear products, and spare parts.
Holmen is a forest products group manufacturing and selling printing paper, paperboard, and sawn timber. The Group also owns forest and power assets. The net turnover in 2009 amounted to MSEK 18,071 and the number of employees is about 4,600. Iggesund Paperboard is owner and manufacturer of Invercote and Incada, two of the leading brands in the very top quality segment of paperboard.