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致力于节能减排技术的研发与应用，现有业务聚焦于造纸行业重要设备的设计、制造、销售以及与节能降耗和环境保护相关的技术服务和工程实施 -
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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.
Changda Machinery
Project Overview
- Changda Machinery is a leading domestic manufacturer of high-speed, crescent‑shaped tissue paper machines, with its equipment serving numerous household tissue production facilities both at home and abroad. Its models are renowned for their stability, broad adaptability, and strong market share. For many years, Zhengding Environment has provided specialized Yankee hood systems to support Changda Machinery’s entire range of paper machines. Thanks to its superior structural compatibility, reliable operation, and excellent drying performance, Zhengding Environment has become an approved supplier of Yankee hood systems for Changda Machinery.
- Zhengding Environment provides brand‑new, integrated Yankee hood solutions for Changda Machinery’s high‑speed tissue paper machines across all models, serving major domestic paper mills as well as overseas projects in Vietnam, Indonesia, Kazakhstan, and other markets. To date, more than 50 sets have been delivered, with excellent equipment compatibility and stable operation, fully meeting the continuous production requirements of high‑speed paper machines both at home and abroad.
Scope of Supply
- Yank air hood: Compatible with Changda Machinery’s full range of wide‑web, high‑speed tissue machines—models 2850, 3550, 3750, 3800, and 3850—meeting the bulk‑supply needs of domestic and international projects, with over 50 installations to date.
Core technology
- In response to the operating conditions of Changda Machinery’s wide‑width, high‑speed tissue paper machines—models 2850, 3550, 3750, 3800, and 3850—which feature high line speeds, substantial evaporation loads, and intense continuous production demands, we rigorously control the installation alignment accuracy, sealing reliability, hot‑air uniformity, and overall operational stability of the Yankee hood, ensuring optimal performance to meet the requirements of high‑speed, high‑intensity production.
- Based on Chanda’s proprietary paper machine architecture, the structural design strictly adheres to the dimensions of Chanda’s Yankee cylinders, the frame layout, and the installation clearances for each model, ensuring in‑situ installation, dimensional accuracy, and optimal compatibility with the main machine.
- Optimize the nozzle design and flow field distribution, customizing the nozzle angle and airflow configuration to suit the drying characteristics of high-speed tissue paper machines, thereby ensuring uniform temperature across the entire web width and enhancing both drying efficiency and paper quality.
- The sealing structure and overall rigidity have been reinforced, and a dedicated face seal and air‑seal configuration have been adopted to minimize hot‑air leakage, enhance operational stability, and meet the demands of long‑term, continuous high‑speed production.
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Changda Machinery
Changda Machinery
Contact Information
Mobile: +86 18807310558 / +86 13907318443
Email:postmaster@hnzdep.com
Address: Room 908–909, New World Chuangdi, No. 139, Laodong East Road, Yuhua District, Changsha City, Hunan Province
Xiangtan Branch: Yuhu High-Tech Industrial Development Zone, Xiangtan City, Hunan Province, China
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