High transparency Temperature resistance Waterproof and moisture proof Tear resistance Dimensional stability Gloss selection JIANGYIN HONGJU NEW MATERIALS CO.,LTD , https://www.hongjuspecialfilm.com
Ping An Electric developed a new generation of fans
Xiangtan Pingan Electric Group Co., Ltd. has recently introduced a groundbreaking innovation in mine ventilation technology with the development of a curved and swept combination orthogonal type explosion-proof counter-rotating axial flow main ventilator. This advanced design is aimed at replacing traditional main ventilators and represents a significant leap forward in China's ventilation industry. The company's design methodology is currently the first of its kind in the country, setting a new benchmark for efficiency and performance.
The fan's design is rooted in modern theories such as centralized parameter optimal control, distributed parameter optimal control, and full three-dimensional turbulent flow field simulation. It also incorporates advanced computational methods for multi-parameter control, including grazing angles, and integrates comprehensive aerodynamic and structural optimization techniques. The core technical challenge lies in ensuring that the airflow direction remains perpendicular to the axial section of the fan. By combining the most efficient front and rear blade bending with left and right sweeping, the design minimizes pressure loss and aerodynamic noise.
This innovative approach results in a high-efficiency, low-noise ventilator. Compared to similar products both domestically and internationally, the rated efficiency of this fan has increased by 5% to 10%, while the actual operating efficiency has improved by as much as 35%. Over the years, the company has successfully designed and manufactured more than 1,000 types of fans using this technology, leading to significant energy savings, better environmental conditions, and enhanced economic returns.
Currently, the curved and swept combination orthogonal three-dimensional twisted blade technology is exclusively used in main mine ventilators. However, Xiangtan Pingan Electric Group plans to expand its application to local mine ventilators and other industrial fields within the next two years. According to industry reports, this technology is not only advanced and mature but also highly competitive, with a promising future in the global market. With continuous innovation and practical application, the company is well-positioned to lead the next wave of ventilation technology evolution.
BOPP Thermal Lamination Film is a type of heat laminating film made from biaxially oriented polypropylene (BOPP) as the base material and processed through special coating or composite techniques. It is mainly used for surface lamination of printed materials (such as book covers, packaging boxes, posters, etc.) to enhance their wear resistance, water resistance, glossiness and aesthetic appeal.
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1. Key Feature
-High transparency: Maintaining the clarity and vividness of colors of printed materials.
-Excellent rigidity & flatness: BOPP substrate offers good stiffness and anti-curling property.
-Hot melt adhesive layer: Usually EVA (ethylene-vinyl acetate) or PUR (polyurethane) hot melt adhesives are adopted to ensure a firm bond.
-Temperature resistance: Adapt to the heating roller temperature of the laminating machine (typically 80~120℃).
-Waterproof and moisture-proof: Protect printed materials from the influence of moisture and stains.
-Glossy film: High gloss, enhancing visual effect.
-Matte film: Anti-glare, improving texture.
-Scratch-resistant/UV-resistant: Special coating to extend durability.
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2. Application Fields
-Printing and Packaging: Book covers, picture albums, color boxes, labels.
-Commercial Promotion: Posters, menus, business cards, tags.
-Industrial Uses: Electronic product instructions, waterproof maps.
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3. Production Process
-BOPP base film production: Two-dimensional stretched polypropylene film (to enhance strength and transparency).
-Coating/Composite: Apply hot melt adhesive (such as EVA) onto the BOPP substrate.
-Cutting & Conveying: Cut into different widths according to customer requirements (commonly 450mm/600mm etc.).