300 TPD Double Fourdrinier Board Paper Machine
The double fourdrinier board paper machine is specifically engineered for producing high-strength kraft paper, sack paper, and corrugating medium using recycled fiber. This paper mill machine features two independent fourdrinier wire sections – a shorter top wire and a longer bottom wire – that allow precise control of fiber distribution for optimal ply bonding and surface strength. The double fourdrinier board paper machine integrates a hydraulic headbox for each layer, providing excellent formation and uniform basis weight across the full width.
An efficient press section with three nips formed by four large-diameter rolls, including a vacuum press roll, achieves high dryness while preserving sheet bulk. The double fourdrinier board paper machine incorporates a pre-drying section with vacuum cylinders, a surface sizing station, and a post-drying section followed by a two-roll calender. A reel-drum winder with automatic roll change completes the line. With its robust construction, energy-saving design, and easy maintenance access, this double fourdrinier board paper machine delivers consistent quality for demanding packaging applications.
Technical Data – Double Fourdrinier Board Paper Machine
| Parameter | Value |
|---|---|
| Paper Grades | Sack paper, corrugating medium |
| Basis Weight Range | 70 – 140 g/m² |
| Net Paper Width | 4800 mm |
| Reel Width | 4860 mm |
| Wire Width | 5300 mm |
| Headbox Slice Width | 5150 mm |
| Working Speed | 350 – 400 m/min |
| Design Speed | 450 m/min |
| Wire Section – Top Wire Length | 8 m |
| Wire Section – Bottom Wire Length | 23 m |
| Press Configuration | Four rolls, three nips |
| Press Roll Diameters | 1350 / 1250 / 1500 / 1500 mm |
| Dryer Cylinders | 35 units of 1800 mm diameter |
| Vacuum Cylinders | 3 units of 1500 mm diameter |
| Dryness Out of Wire | 21 percent |
| Dryness After Press | 50 percent |
| Final Paper Dryness | 92 percent |
| Production Capacity | 300 tons per day |
Leizhan supplies complete double fourdrinier board paper machine solutions from forming to finishing. Our double fourdrinier board paper machine integrates advanced dewatering elements, a high-efficiency press section, and a multi-cylinder dryer system to maximize fiber utilization and reduce energy consumption. For a customized double fourdrinier board paper machine tailored to your raw materials and target grades, please contact us at leizhanworld@gmail.com.