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This 250tpd kraft paper machine uses a hydraulic or stepped diffusion headbox, with the pulp concentration controlled between 0.3% and 0.6%, ensuring uniform pulp distribution and adjustable fiber orientation. Combined with a precise lip plate adjustment mechanism, the measured breadth weight difference across the width of the paper is ≤ ±1.5%, far superior to the conventional ±2.5% level, laying the foundation for producing high-uniformity kraft paper. This 250tpd kraft paper machine employs a high-strength vacuum suction box and wet suction box combination to ensure the paper sheet reaches a dryness of 20%~22% before entering the press part, reducing energy consumption in subsequent pressing and drying.
Kraft paper experiences lateral shrinkage during the drying process, with an average shrinkage rate of 4%. This 250tpd kraft paper machine incorporates lateral shrinkage compensation in its headbox, wire part, and press part design, ensuring stable final product width and eliminating the need for frequent adjustments to slitting dimensions. The 250tpd kraft paper machine features a double-layer layout (e.g., drive and white water system on the first floor, headbox and wire part operation side on the second floor), effectively saving floor space.
Leizhan can provide customers with complete sets of pulp and paper making machines and offer long-term after-sales service. Feel free to contact me for details and pricing information on the pulp and paper making machines you need. Email: flutingpapermachine@gmail.com