フォームプラスチックリサイクルの分野では、EPS（発泡ポリスチレン）廃棄物はその大きな体積と低密度のため、保管や輸送が難しいという課題を抱えています。そのため、フォームデンシファイアマシンはリサイクルプロセスにおいて重要な役割を果たします。一般的に使用される2つの機械は、EPS溶融機とフォームコールドコンパクターです。どちらも体積を減少させることを目的としていますが、異なる原理で動作し、異なる用途に適しています。
This article explains the working principles, advantages, and suitable scenarios for each machine, helping you choose the right equipment based on your specific needs.
EPS溶融機：動作原理と特徴
An 発泡スチロール溶解機 uses heat and screw compression to soften waste foam and compress it into dense melted blocks. These compact blocks can be used as raw materials for plastic pelletizing or molding.
EPSホットメルティングマシンの主な特徴：
- 高圧縮比：体積を1/50から1/90に削減
- 密な出力ブロック：積み重ね、保管、輸送、販売が容易
- 簡単な操作：粉砕と熱溶融が一体化し、労力を節約
Foam Cold Compactor: Working Principle and Features
あ 発泡スチロール圧縮機 compresses foam through mechanical pressure at room temperature, with no heating involved.
Key Features of EPS Cold Compactors:
- Lower energy consumption: No heating system, reduced power use
- Simple structure: Lower failure rate, easy maintenance
- Lower investment: Suitable for small and medium-sized operations
Key Differences Between the Two Types of Foam Densifier Machines
| Comparison Item | EPS Melting Machine | Foam Cold Compactor |
| Processing Method | Heating + Screw Compression | Mechanical Compression at Room Temperature |
| Compression Ratio | Higher (1/50-1/90) | Moderate (1/30-1/50) |
| Output Form | Dense melted blocks | Compressed foam blocks |
| Energy Consumption | Higher (due to heating) | Lower |
| Ideal User | Companies doing pelletizing or reselling melted blocks | Small recyclers focusing on volume reduction |
How to Choose the Right Foam Densifier Machine?
When selecting foam densifier machine, consider the following factors:
- Daily processing capacity: For large-scale operations, melting machines are recommended; cold compactors are more cost-effective for smaller volumes.
- Post-treatment purpose: If blocks will be pelletized or sold, melted blocks are more valuable.
- Energy and budget constraints: Cold compactors are more economical for projects with limited power supply or budget.
- Storage and transport: Melted blocks are denser and ideal for long-distance shipping or export.
- Compression requirement: For users seeking maximum volume reduction, the melting machine is more suitable.
Choose Based on Your Needs to Maximize Recycling Efficiency
There’s no absolute “better” machine—only one that suits your specific requirements. The EPS hot melting recycling machine is ideal for high-efficiency reduction and deep processing, while the EPS compactor is preferred for low energy use and ease of operation.
If you’re unsure which equipment best fits your project, feel free to contact us. We’re happy to offer a tailored solution based on your material type, facility conditions, and production goals.