Another successful start-up at Sun Paper, China

Published Nov 1, 2004 13.00.00 +2 GMT

The comprehensive delivery of PM 19 fine paper machine from Metso Paper and its joint-venture company Valmet-Xian to Shandong Sun Paper Co., Ltd., came successfully on stream on 28 August 2004. Sun Paper PM 19 produces 546 tpd of 60-120 g/m2 offset paper. The machine produced saleable paper right after start-up. After only two months of operation, most of the quality targets have been fulfilled and the production speed is approx. 1040 m/min.

According to Ying Guang Dong, Deputy General Manager and Chief Engineer of the Sun Paper Group, commissioning and start-up of the line was quick and easy, thanks to the seamless co-operation between all parties. "Our past good experiences of working with Metso, as well as the good combination of high technology and a short return on investment were the decisive factors why we chose Metso again as a supplier," says Ying Guang Dong.

Sun Paper PM 19, which produces woodfree fine paper grades, has a wire width of 5.4 m and a design speed of 1,300 m/min. Metso Paper's delivery scope consisted of a SymFlo D headbox, SymFormer MB forming section, SymPress B shoe press, ValSizer and a two-nip OptiSoft calender. Valmet-Xian delivered the SymRun dryer section and the main part of the ValReel. Metso Automation supplied a metsoDNA control system for machine and process controls, a PaperIQ quality control system for quality management, and neles valves for field control.

The PM 19 is Metso Paper's and Valmet-Xian's third delivery to Shandong Sun Paper Co., Ltd. Earlier deliveries include the 4-ply coated board lines BM 17 and BM 18, which were started up in 2001 and 2003. In addition, Metso's deliveries to the Sun Paper Group companies include the BM 1 board line to Dongguan Jianhui Paper Co. Ltd., which is a joint venture of Sun Paper Co. Ltd. Metso Paper and Valmet-Xian have also been chosen to supply a second board making line to Dongguan Jianhui Paper, scheduled for start-up in August 2005.

New finishing line to start up in August 2005

In May this year Shandong Sun Paper Co., Ltd. placed an order for an off-machine coater, planned to start up in August 2005, with a maximum daily production of 900 tons. The PM 19 finishing line will have a trim width of 4,870 mm at the coater reel. The design speed of the coating machine will be 1500 m/min. The line includes a re-reeler, a 4-station coating machine with 4 ValCoat Jet free jet coating stations, PowerDry Classic air dryers, ValReel type reel, and a WinBelt M winder. Metso Paper has sold over 30 ValCoat type coating stations in three years, which proves this technology to be successful in medium-sized board and fine paper coating.

The delivery also includes an OptiSoft soft calender for matte grades, which will be installed on-line with the coater. The selected soft-soft nip calendering enables the production of highest quality matte grades. Calendering of glossy grades will be performed with the off-line OptiLoad 10 multinip calender, which has a design speed of 1600 m/min. This finishing concept optimizes both capacity and quality in the production of top-quality coated woodfree grades.

The automation package is based on the proven metsoDNA technology, including PaperIQ quality control system and Sensodec condition and runnability monitoring system. The order also includes IQ CoatWeight and IQ CoatDry controls for the coat weight and moisture variations CD and MD control.

Shandong Sun Paper Co., Ltd.

The company was established in 1982, and today it is the largest private paper company in Chinese ownership. The company owns several paper and board machines with a combined annual production capacity of more than one million tons. Says Ying Guang Dong: "Sun Paper company's key to success is simple: A quick return on investment from one installation gives the opportunity to invest in a new one. Another important factor is to introduce new grades in the market when the time is ripe."

More information: Jouko Luoma, Project Manager, Metso Paper, Inc., tel. +358 40 558 6971