Analysis and Research on Cost and Energy Consumption of Plastic Granulation Machinery

In China, the geographical distribution of energy resources is not only distinct but also the differences in energy types across regions are even more pronounced. Plastic granulators and other plastic processing machinery require significant amounts of energy due to the high temperatures needed for melting plastics. As a result, energy costs have become the second-largest expense in the plastic granulation industry, following raw material costs. Currently, the market offers various types of plastic granulators, primarily using electric heating, coal heating, or natural gas heating. Although electric heating granulators are widely promoted nationwide, electricity tariffs vary significantly across different regions. In eastern areas where power shortages are common and in western regions with abundant power supply, the difference between northern thermal power and southern hydroelectric power is quite evident. Therefore, it is especially important to promote locally-sourced energy heating systems in areas with high electricity costs and limited power availability. In regions rich in natural gas, such as Sichuan, Shaanxi, and Xinjiang, it makes sense to promote natural gas-heated granulators or other plastic machinery. Similarly, in coal-producing provinces like Shanxi, Inner Mongolia, Liaoning, and parts of northwest Shaanxi, coal-heated granulators can be more efficient and cost-effective. By leveraging local energy resources, manufacturers can reduce operational costs, add more value for end-users, and enhance the competitiveness of their products in the market. This approach not only supports regional economic development but also contributes to a more sustainable and efficient industrial ecosystem.

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