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Operation of a Plastic Pelletizer

Time：

2018-01-10

Plastic recycling and pelletizing operations are integral to the national economy, serving as an essential production process for numerous industrial and agricultural products. Plastic recycling pelletizers also account for a significant share of China’s energy consumption, with the plastics sector consuming approximately 12 percent of the country’s total energy use. Moreover, pollution generated during plastic manufacturing often constitutes a major source of environmental contamination in China. Advances in plastic pelletizing technology are closely linked to the overall development of the national economy. In response to pressing energy and environmental challenges, China has adopted a scientific outlook on development—emphasizing comprehensiveness, coordination, and sustainability—and has established long-term strategies for energy development and technological advancement.

Plastic recycling and pelletizing operations are integral to the national economy, serving as an indispensable foundational process for a wide range of industrial and agricultural products. Plastic recycling pelletizers also account for a significant share of China’s energy consumption, with the plastics sector consuming roughly 12 percent of the country’s total energy use. Moreover, pollution generated during plastic manufacturing often constitutes a major source of environmental contamination in China. Advances in plastic pelletizing technology are closely linked to the overall development of the national economy.

Faced with severe energy and environmental challenges, China has adopted a comprehensive, coordinated, and sustainable approach to scientific development as its guiding principle. Established in 2020, it has formulated long-term strategies for energy and technological development, as well as policies for advancing energy and environmental sustainability, while also identifying the direction of innovation in plastic pelletizing technology and emphasizing the need to explore new pathways for its technological advancement.

Exploring the development of new technologies for recycled‑plastic pelletizing machines and promoting energy conservation requires a comprehensive approach that prioritizes product quality, aiming for holistic, coordinated, and sustainable development. To achieve an efficient, strategic advancement in plastic pelletizing, we must first embrace a resource‑efficient development path, moving beyond single‑purpose systems toward integrated, intelligent solutions. This entails undertaking a thorough, multi‑level technological upgrade focused on energy efficiency, starting from the fundamental principles of recycled‑plastic pelletizing. It also calls for expanding the application of renewable energy and advancing industrial plastic‑pelletizing technologies. Compared with other operations in industry and agriculture, energy conservation and pollution control in plastic pelletizing are particularly pressing challenges. Given the broad scope of recycled‑plastic pelletizing activities, and the fact that plastic‑pelletizing energy consumption accounts for 12 percent of total industrial energy use in China, addressing these issues is of paramount importance. Second, among the various conventional plastic‑pelletizing devices, more than three quarters are dedicated to recycling. Enhancing energy efficiency in the pelletizing process while simultaneously preventing and controlling environmental pollution are mutually reinforcing objectives. Reducing energy consumption by 100 million tons of standard coal could cut carbon dioxide and sulfur dioxide emissions by over 64 million tons in China, yielding substantial environmental benefits.