Food manufacturing How to choose oil-free screw air compressor
Food manufacturing industry background
The food manufacturing industry has extremely high requirements for the cleanliness of compressed air to prevent contamination of food and affect product quality and consumer health. According to the ISO 8573-1 Class 0 standard, the oil content of food-grade compressed air must be ≤0.01mg/m³, and must also meet the requirements of the HACCP (Hazard Analysis and Critical Control Points) system. In addition, dew point control of compressed air, particulate matter concentration and microbial pollution control are also key indicators.
Why food manufacturing requires oil-free screw air compressors
Technical necessity:
- prevent contamination: Oil-free design ensures that compressed air does not contain lubricating oil and avoids chemical pollution to food (in line with HACCP system requirements).
- compliance of: Meet the requirements of ISO 22000 food safety management system and FDA regulations for food-grade compressed air.
- economy: Full life cycle cost (LCC) analysis shows that the maintenance costs and energy consumption of oil-free screw air compressors are lower than traditional oil-containing models (based on the VDI 2067 economic model).
Selection of core parameters for food manufacturing
Key indicators and testing standards:
- oil content：≤0.01mg/m³（ISO 8573-1 Class 0）。
- Particulate matter control: Number of particles ≥0.1μm ≤1/m³ (ISO 8573-4:2019).
- dew point control：≤-40℃（ISO 8573-2:2018）。
- microbial control: Comply with USP <797>aseptic processing standards.
Potential risks of not using oil-free screw air compressors
- food safety risk: Oil-containing compressed air may cause food contamination, triggering consumer complaints or legal proceedings (HACCP Hazard Analysis).
- compliance issues: Does not comply with ISO 22000 and FDA regulatory requirements and faces market access restrictions.
- economic losses: High maintenance costs and energy consumption increase the operating burden of enterprises (VDI 2067 Economic Model).
Economic benefits of using oil-free screw air compressors
- power savings: Annual electricity bill reduced by 25-35%(ISO 50001 certification data).
- maintenance costs are reduced: Filter replacement frequency reduced by 90%(IEC 60034-1 Durability Test).
- Improved product yield: Clean compressed air reduces the risk of food recalls due to contamination.
Post-comparison table of oilless compressors vs oilless compressors in food manufacturing
| comparative dimension | Oil-free screw air compressor | oil-containing screw air compressor | testing standards |
|---|---|---|---|
| oil content | ≤0.01mg/m³ | 1-5mg/m³ | ISO 8573-1 Class 0 |
| microbial control | Comply with USP <797>standards | Sterility cannot be guaranteed | FDA regulatory requirements |
| energy consumption | Reduction by 25-35% | higher | ISO 50001 |
summary
Shanghai Granklin Group adopts oil-free compression technology that meets international standards. Its oil-free screw air compressor has passed ISO 22000 food safety management system certification and HACCP system requirements, providing the food manufacturing industry with system solutions from compressed air preparation to terminal applications. Against the background of increasingly strict food safety and compliance, oil-free technology has become the core competitiveness of food manufacturing companies.