Successful Application of Intermittent Displacement Cooking Technology at Sun Paper
Release time:
2025-04-01
With the continuous advancement of the pulp and paper industry toward higher efficiency, environmental sustainability, and intelligent manufacturing, innovative cooking processes have become essential for improving pulp quality and optimizing production workflows. Against this backdrop, Sun Paper has successfully implemented intermittent displacement cooking technology, achieving significant improvements in cooking efficiency, energy consumption reduction, and pulp quality enhancement.
Technology Overview
Intermittent displacement cooking is an advanced pulping process that utilizes multi-stage liquor displacement, ensuring thorough penetration of cooking chemicals into the fibers and enhancing the uniformity and stability of the cooking reaction. Compared with conventional cooking methods, this technology provides notable advantages in energy efficiency, production output, and environmental sustainability.
Key Equipment
To ensure stable and efficient pulp cooking, Sun Paper employs the following core equipment in its intermittent displacement cooking process:
• High-efficiency digester – Precisely controls temperature, pressure, and cooking duration to maximize fiber reaction and improve pulp quality.
• Blow tank system – Optimizes the contact between cooking liquor and fibers, increasing reaction efficiency and accelerating the cooking process.
• Displacement tank – Facilitates efficient liquor displacement, ensuring uniform cooking, reducing chemical consumption, and minimizing pollutant discharge.
Technical Advantages
By implementing intermittent displacement cooking technology, Sun Paper has achieved the following key benefits:
1. Enhanced cooking efficiency – Shorter cooking cycles and increased production capacity to meet market demand for high-quality pulp.
2. Optimized resource utilization – Multi-stage displacement reduces chemical consumption, significantly lowering production costs.
3. Improved pulp quality – More uniform fiber treatment leads to higher pulp purity and ensures consistent final product quality.
4. Reduced energy consumption and emissions – Optimized heat recovery and chemical usage contribute to lower energy demand, aligning with sustainable production goals.
Conclusion & Outlook
The successful implementation of intermittent displacement cooking technology marks a major advancement for Sun Paper in pulp production and establishes a benchmark for efficient and environmentally friendly manufacturing in the industry. Moving forward, Sun Paper remains committed to continuous technological innovation, furthering the development of energy-efficient and intelligent pulping solutions, and driving the sustainable transformation of the paper industry.
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