







Second-Hand 3800 Three-Layer Paper Machine (Right-Hand Type) for Sale
This 3800 three-layer paper machine (right-hand configuration) is now available for sale, with complete production lines and being currently located in a paper mill. Its technical features are detailed as follows:
- Product Type: Specialized in producing fluting paper and test liner, meeting the needs of corrugated packaging and related paper applications.
- Base Weight Range: 125-200 g/m², suitable for medium to heavy-weight paper production requirements.
- Trimmed Paper Width: 3850 mm, enabling large-width paper output to improve production efficiency.
- Working Speed & Dynamic Balance: Operating speed ranges from 350 to 450 m/min, with a dynamic balance speed of 550 m, ensuring stable and efficient operation during high-speed production.
- Nominal Capacity: 300 tons per day (t/d), providing strong production capacity to meet large-scale paper supply demands.
- Place of Origin: Manufactured by Dandong Huaxing Machinery Co., Ltd., a reliable source for quality paper-making equipment.
- Fourdriner Section:
- Bottom wire length is 25 m, top wire lengths are 7.5 m and 9.5 m, ensuring sufficient forming space for paper sheets.
- Equipped with an air cushion headbox (brand: Xi’an Via) with a lip length of 4150 mm, enabling uniform pulp distribution for consistent paper formation.
- Dehydration elements adopt stainless steel boxes with ceramic panels, featuring excellent wear resistance and dehydration efficiency.
- Vacuum couch roll has a diameter of 900 mm and an effective suction area of 4200 mm, enhancing water removal during the forming process; wire driving roll has a diameter of 800 mm, ensuring stable wire running.
- Press Section:
- Includes one set of vacuum press with dimensions of Φ1000 × 950 mm, and two sets of large-roll presses with dimensions of Φ1350 × 4300 × 5150 mm (each set).
- Equipped with 4 pieces of blind hole rubber rolls, which effectively improve pressing efficiency and paper sheet smoothness.
- Drying Section:
- Consists of 50 dryer cylinders grouped into 5 sets (36 cylinders in one group and 14 cylinders in another), all manufactured by Huaxing.
- Each dryer cylinder has dimensions of Φ1800 × 4360 × 5000 mm and operates under a pressure of 5 kg, ensuring efficient paper drying.
- Adopts closed gearbox transmission, which provides stable power output and reduces energy loss.
- Sizing Press Machine: One sizing press machine with dimensions of Φ1000 × 4200 × 5000 mm, used for applying sizing agent to paper surfaces to improve paper performance (e.g., water resistance, strength).
- Calender: Equipped with a two-roll calender with dimensions of Φ750 × 4200 × 5000 mm, enhancing paper smoothness and thickness uniformity through rolling.
- Scanner: One scanner is included, enabling real-time monitoring and adjustment of paper quality parameters (e.g., basis weight, moisture content) during production.
- Pope Reeling Machine: One horizontal pope reeling machine of roller-magazine type, facilitating efficient winding of large paper rolls.
- Paper Rewinder: One paper rewinder with a maximum speed of 1200 m/min, suitable for slitting and rewinding large paper rolls into specified sizes for subsequent use.
- Transmission Mode: Adopts inverter transmission, allowing flexible adjustment of operating speed according to production needs and ensuring stable operation of the entire machine.
- Machine Status: The used machine is currently situated in a paper mill, with complete and intact production lines, ready for quick deployment and operation after purchase.
