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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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Blog
Blog
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.
Blog – Hunan Zhengding Environmental Technology Co., Ltd.
08
2026-09
Zhengding Environment has been honored as a “Contract-Honoring and Credit-Keeping Enterprise” of Changsha City for 2025.
2026-09-08
21
2026-09
A Successful Conclusion | 2026 China International Paper Technology Exhibition
The three-day 2026 China International Paper Technology Exhibition (CIPTE 2026) concluded successfully at the Wuhan International Expo Center. This year’s Paper Technology Week, themed “Harnessing Intelligence to Usher in a New Zero-Carbon Era and Jointly Building a New Quality of Productivity for the Paper Industry,” brought together hundreds of exhibiting companies and tens of thousands of industry professionals, establishing a vital platform for technological exchange and business matchmaking across the papermaking value chain.
2026-09-21
03
2026-09
Hunan Zhengding Environmental Technology Co., Ltd. has once again secured a landmark project at a major domestic paper mill, providing Jiangxi Liwen Paper Co., Ltd. with a complete set of dust-collection equipment in a single installation. The solution encompasses dust-collection systems for six 2,850‑mm paper machines and six 2,850‑mm rewinding machines, totaling 12 independent dust-collection systems.
2026-09-03
18
2026-08
This article provides a straightforward explanation of the definition and operating principle of the Yankee hood (used in tissue paper production), elaborates on the necessity of installing a Yankee hood on tissue paper machines, highlights its pivotal role in increasing speed, improving quality, and achieving energy savings, contrasts the application differences between the Yankee hood and the enclosed hood, and addresses common issues such as retrofitting older paper machines and adjusting hot‑air parameters. It serves as a professional reference for the construction of new tissue‑paper lines and for energy‑saving upgrades.
2026-08-18
14
2026-08
This article provides a straightforward explanation of the definition and practical value of enclosed air hoods (industrial paper‑making air hoods), analyzes the necessity of installing such hoods in the dryer section of industrial paper machines, and outlines their key functions—preventing condensation and dripping, ensuring uniform drying, and reducing energy consumption. It also distinguishes between enclosed air hoods and Yankee dryers, addresses common industry issues such as retrofitting older paper machines, integrating waste‑heat recovery systems, and implementing zero‑position control, and offers guidance for new industrial paper production lines and energy‑efficient upgrades to dryer sections.
2026-08-14
06
2026-08
Application of a Closed-Enclosure Hood System in the Dryer Section of a Paper Machine
This article provides an objective analysis of the key pain points associated with dust‑removal equipment in the papermaking industry. Addressing the unique operating conditions of paper mills—high temperature, high humidity, and the tendency of fibrous dust to adhere—it identifies five common issues: clogging of standard dust‑removal systems, dust‑related degradation in paper quality, safety hazards posed by dust, excessive emissions exceeding regulatory limits, and elevated system energy consumption. Corresponding standardized solutions are proposed for each challenge. Additionally, to alleviate two major concerns—downtime during retrofits at older plants and space constraints—the article outlines feasible implementation strategies and presents four objective criteria for equipment selection and procurement. The article highlights the design features of Zhengding Environment’s paper‑machine dust‑removal systems, which are tailored to accommodate a wide range of paper‑machine lines, along with its comprehensive end‑to‑end support capabilities. At the conclusion, it recommends that papermakers select equipment based on their specific operational conditions, while also introducing Zhengding Environment’s full suite of ventilation and drying solutions for the papermaking process. These offerings provide one‑stop services—including site surveys, engineering design, manufacturing, and installation—for both new production lines and retrofit projects, helping paper mills optimize dust control, manage energy consumption, and ensure compliant, stable operations.
2026-08-06
Contact Information
+86 18807316576
WhatAPP/Wechat/Mobile: +86 18807316576
Email:zhengding2009@gmail.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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