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Collaboration Cases
Focusing on the research, development, and application of energy-saving and emission-reduction technologies, with deep expertise in energy efficiency and consumption reduction within the ventilation and drying segments of the paper-making industry.
Asia Pacific Senbo
Project Overview
- Asia Symbol (Guangdong) Paper Co., Ltd., affiliated with Singapore-based Royal Golden Eagle Group and located in Jiangmen, Guangdong, is a national-level green factory and a leading domestic manufacturer of premium tissue paper and cultural paper with prominent industry influence. The project imposes stringent requirements on the system in terms of drying uniformity, operational stability, thermal efficiency, energy saving and long-term reliability. The successful cooperation between Zhengding Environment and Asia Symbol further consolidates Zhengding Environment’s position in the high-speed tissue paper hood sector and deepens strategic cooperation with leading pulp and paper groups.
- The project was successfully commissioned at the first attempt and operates stably up to standards. The drying performance, energy consumption indicators and operational reliability all meet the client’s high-standard requirements.
Scope of Supply
- The customized Yankee Hood system is adapted to the high-end tissue paper production line with a web width of 2850 mm and a design speed of 1600 m/min.
- A complete supporting hot air system ensures uniform drying, stable operation and energy saving for the high-speed paper machine.
- Zhengding Environment takes full responsibility for the whole-process services of the hood system, hot air system, pipelines, valves, control system, on-site commissioning and startup support, ensuring stable and standard-compliant operation of the project.
Core technology
- Combined with the climatic characteristics of high temperature, high humidity, abundant rainfall and salt spray in Jiangmen, Guangdong, and in response to highly customized requirements for stable operation, high energy efficiency, temperature and humidity control, sealing and anti-corrosion performance, the hood’s tightness and drainage & dehumidification structure are strengthened. The ratio of fresh air pre-treatment and waste heat recovery is optimized to improve the system’s adaptability to hot and humid environments, ensuring stable year-round operation with remarkable energy-saving benefits.
- Customized precisely according to machine speed and evaporation capacity, air volume, air pressure and heat distribution are accurately calculated for the high-speed condition of 1600 m/min and real-time evaporation load. The air outlet angle and wind speed distribution of the hood are optimized to ensure hot air penetrates the web evenly, achieving stable drying without over-drying or under-drying and supporting continuous and efficient operation of the high-speed machine.
- Designed for tissue paper production processes, the hood sealing structure and pocket ventilation are optimized to suit tissue paper’s features of high softness, good formation and low basis weight. It reduces web fluttering and breaks to raise yield and product quality. Matching the process parameters of the Yankee cylinder, the design improves heat utilization and cuts steam consumption.
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