The energy consumption of PET dumb silver paper is mainly concentrated in which links?

The energy consumption of PET matte silver paper is mainly concentrated in the following links:

1. Raw material melting and extrusion

Type of energy consumption: This part mainly consumes electricity and heat energy. Electrical energy is used to drive mechanical equipment such as extruders, while thermal energy is used to melt the PET raw material to the right temperature for extrusion molding.

Importance: The melting and extrusion of raw materials is the first step in the production of PET matte silver paper, and it is also one of the links with large energy consumption. Ensuring the uniform melting and stable extrusion of raw materials is essential for the smooth progress of subsequent processes.

2. Two-way stretching

Type of energy consumption: This process also requires the consumption of electricity and heat. Electrical energy is used to drive the stretching device, while thermal energy may be used to maintain a suitable temperature environment during the stretching process to ensure the mechanical and optical properties of the PET film.

Characteristics: Bidirectional stretching is a key step in the production of PET film, through stretching can significantly improve the mechanical properties, optical properties and dimensional stability of the film. Therefore, the energy consumption of this link is also relatively high.

3. Matte silver coating and drying

Type of energy consumption: This part mainly consumes electricity and heat energy. Electrical energy is used to drive the coating equipment and drying equipment, while thermal energy is used to cure the matte silver coating on the surface of the PET film.

Importance: The matte silver coating is the key to the unique properties of PET matte silver paper, and the drying process ensures a strong bond between the coating and the substrate. Therefore, the energy consumption of this link is directly related to the quality and performance of the product.

4. Cutting and rewinding

Type of energy consumption: This link mainly consumes electric energy. Electrical energy is used to drive mechanical equipment such as slitters and rewinders to complete the slitting and rewinding of PET matte silver paper.

Features: Although the energy consumption of this link is relatively small, the quality of slitting and rewinding directly affects the appearance and subsequent processing performance of the product.

5. Other auxiliary links

Energy consumption: In the production process, it may also involve some auxiliary links, such as raw material transportation, equipment cooling, lighting and ventilation, etc., which will also consume a certain amount of energy.

In summary, the energy consumption of PET matte silver paper is mainly concentrated in the key links of raw material melting and extrusion, bidirectional drawing, matte silver coating and drying. In order to reduce energy consumption and improve production efficiency, enterprises can take a series of energy-saving measures, such as optimizing production processes, adopting energy-saving equipment, and strengthening energy management. At the same time, with the continuous development of renewable energy technology, enterprises can also consider the application of solar energy, wind energy and other renewable energy in the production process to further reduce the dependence on traditional energy.