Efficient Cleaning: Working Principles and Applications of Ruiyuan Vacuum Cleaning Furnaces

In modern industrial production, polymer materials are increasingly widely used, but the challenges of cleaning and recycling them have also become more prominent. As an efficient and environmentally friendly cleaning device, vacuum cleaning furnaces play a vital role in polymer processing. Ruiyuan offers three main types of vacuum cleaning furnaces – horizontal,cabinet-style,and vertical type,https://8ruiyan.com/en/all-vacuum-cleaning-furnaces/ – each designed for specific industrial applications. This article details the working process and advantages of these vacuum cleaning furnaces.

Working Process of the Vacuum Cleaning Furnace

1. Heating and Melting Stage (300°C)

The vacuum cleaning furnace first precisely raises the temperature to 300°C. At this temperature, most polymer materials begin to melt, transitioning from solid to liquid. This process separates the polymer from the surface of the object being cleaned while maintaining a moderate vacuum environment inside the furnace to prevent oxidation.

Key control parameters during the melting stage:

• Heating rate: Typically controlled at 5-10°C/min
• Temperature stability: Within ±1°C

2. Vacuum Pyrolysis Stage

While maintaining 300°C, the system further increases the vacuum level to promote the breaking of polymer molecular chains. The vacuum environment not only reduces the activation energy required for pyrolysis but also effectively prevents the generation of harmful gases, ensuring a clean and environmentally friendly process.

Features of vacuum pyrolysis:

• No need for chemical catalysts
• Pyrolysis products mainly consist of low-molecular-weight hydrocarbons

3. High-Temperature Decomposition Stage (450°C)

The temperature is further increased to 450°C. This stage aims to completely decompose residual carbon deposits. The high temperature gasifies any remaining residues, which are then evacuated through the vacuum system, ensuring no contaminants remain on the cleaned object.

Advantages of high-temperature decomposition:

• Thorough removal of stubborn residues
• Avoidance of secondary pollution
• Improved purity of the final product

4. Natural Cooling Stage

After completing high-temperature decomposition, the system stops heating and begins natural cooling. The furnace remains sealed during this stage to prevent external contaminants from entering. Natural cooling avoids potential thermal stress issues caused by rapid cooling, ensuring both equipment longevity and cleaning quality.

Considerations during cooling:

• The furnace should only be opened after cooling below 200°C

Ruiyuan Vacuum Cleaning Furnace Types

• Horizontal Type:
  • Ideal for cleaning long components like extruder screws
  • Features easy loading/unloading mechanism
  • Uniform temperature distribution

• Cabinet-Type:
  • Compact design for space-limited facilities
  • Quick operation cycle
  • Suitable for small to medium batches

• Vertical Type:
  • Optimized for heavy or bulky components
  • Gravity-assisted cleaning process
  • Energy-efficient design

Applications

• Plastic mold cleaning
• Chemical fiber component processing
• Extruder screw cleaning

Conclusion

Through precisely controlled temperature gradients and a vacuum environment, Ruiyuan vacuum cleaning furnaces achieve efficient cleaning and recycling of polymer materials. The four-stage process—melting, pyrolysis, decomposition, and cooling—combined with our four furnace configurations (horizontal, cabinet-style, vertical, and pit-type) provides customized solutions for diverse industrial needs.

As environmental requirements become stricter and industrial cleaning standards more demanding, Ruiyuan’s vacuum cleaning technology demonstrates its unique value across multiple fields. Our commitment to innovation ensures continuous improvements in intelligence, energy efficiency, and cleaning performance, making Ruiyuan vacuum cleaning furnaces the smart choice for sustainable industrial cleaning solutions.

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