also in news, ANDRITZ to perform twin wire press retrofit at Winstone Pulp International based on easy replacement.
International technology Group ANDRITZ received an order from Swedish pulp and paper manfufacturer Billerud AB to supply a flue gas treatment system for its Gruvön mill. The system will allow the mill to increase the output of its soda recovery boiler while at the same time reducing emissions. The recovered soda is reused in the pulp manufacturing process.
ANDRITZ will supply an electrostatic precipitator (ESP) including its proven switched integrated rectifier technology (SIR) for maximum operational efficiency. ANDRITZ has won more than 20 ESP lines since integrating this product into its portfolio in 2021.
The new precipitator will be installed in addition to the two existing ESPs, allowing Gruvön mill to increase the capacity of its soda recovery boiler by over 30% while keeping particulate matter emissions well below 15 mg/Nm3. The ANDRITZ ESP solution will enable the mill to continue its profitable operations while complying with the strict local environmental regulations.
ANDRITZ’s scope also comprises all auxiliaries for ESP connection as well as mechanical erection, insulation, supervision of construction, and commissioning. Handover is scheduled for the second quarter of 2024.
Billerud is a globally leading company in superior paper and packaging materials committed to sustainability, quality, and customer value. The company operates a total of ten production units, of which six in Sweden. ANDRITZ has strong service capabilities in the Nordics region and is well positioned to serve Billerud as a trusted partner during project execution and future plant operation.
ANDRITZ to perform twin wire press retrofit at Winstone Pulp International based on easy replacement
ANDRITZ has received an order from Winstone Pulp International Ltd. (WPI) to perform a comprehensive twin wire press retrofit at their Karioi pulp mill in New Zealand.
The ANDRITZ approach is tailor-made to minimize the effort and time involved.
Their current ANDRITZ twin wire press with a working width of 2m has been in operation since the mill opened in 1978. To improve the machine’s performance, reliability, and safety, ANDRITZ will replace the machine’s carbon steel frame with a stainless-steel frame and modernize further machine components. The retrofit will leave the machine foundations and connections basically untouched. All installed rolls and bearings will be reused, as well as the dewatering boards replaced by ANDRITZ in 2019.
ANDRITZ’s customized solution to replace the worn-out machine frame at minimum effort was crucial in the order award. Other criteria were ANDRITZ’s technological expertise and the very good experience with ANDRITZ projects in the mill – WPI operates several ANDRITZ twin wire presses.
The scope of supply also comprises:
- a new cantilever system for easier and safer wire replacement
- a modernized headbox with modified outlet geometry for improved pulp sheet formation
- an upgraded drive section
- a new wire tensioning
Winstone Pulp International Ltd., New Zealand is a privately owned subsidiary of the Oregon Group. The company comprises two operational sites, Karioi Pulpmill and Tangiwai Sawmill. The WPI wood processing operations produce a range of timber and pulp products derived from renewable plantations of Radiata pine for both New Zealand and international markets. The Karioi pulp mill produces 220,000 admt of high-yield BCTMP (Bleached Chemical Thermomechanical Pulp).
FOR FURTHER INFORMATION, PLEASE CONTACT: Susan Trast, Vice President Group Communications and Marketing susan.trast@andritz.com – andritz.com
ANDRITZ PULP & PAPER
ANDRITZ Pulp & Paper provides sustainable technology, automation, and service solutions for the production of all types of pulp, paper, board and tissue. The technologies and services focus on maximum utilization of raw materials, increased production efficiency, lower overall operating costs as well as innovative decarbonization strategies and autonomous plant operation. Boilers for power generation, flue gas cleaning systems, various nonwoven technologies, panelboard (MDF) production systems, as well as recycling and shredding solutions for numerous waste materials also form a part of this business area. State-of-the-art IIoT technologies as part of Metris digitalization solutions complete the comprehensive product offering.
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