Case Description

A leading paper enterprise specializing in high-end paper products focused on producing bleached reed pulp, as well as specialty food-grade cardstock, premium decorative base paper, high-performance thermal base paper, and technical paper for electronics, displays, capacitors, electrolysis, aerospace, and other advanced applications. As market demands for paper performance (e.g., strength, formation uniformity, surface finish) grew increasingly stringent, production encountered bottlenecks. Previously using conventional pumps to transfer pulp and additives, the inherent structural limitations caused damage to reed fiber morphology and length, compromised pulp homogeneity, and impeded precise control of material flow rates. This resulted in insufficient paper strength, inconsistent quality, and failure to meet the rigorous standards of high-end sectors.

Solution

To overcome these challenges, the enterprise adopted Bonve Pumps' customized cam-type twin-rotor pump. Engineered specifically for reed pulp characteristics, its special triple-lobe rotor design and positive displacement principle enabled low-shear transfer. Testing confirmed a ~30% higher fiber length retention rate compared to traditional centrifugal pumps, preserving fiber integrity to strengthen the paper foundation. The high-precision flow control system achieved ~±2% accuracy, ensuring strict adherence to process ratios. This reduced MD basis weight variation to within ~±4%, optimizing formation uniformity and surface finish.

Bonve implemented comprehensive services:

·Installation and commissioning completed within 72 hours;

·Annual preventive maintenance every 12 months;

·Theoretical and hands-on training for operators.

Post-implementation results:

·Tensile strength increased by ~15%;

·Surface roughness (Ra value) reduced to ≤0.5 μm;

·Core performance aligned with high-end sector standards, solidifying the enterprise’s competitive edge in specialty papers and strengthening business expansion capabilities.