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Why This Stage Matters
· Food Safety: Clean carcass surface is essential before evisceration and inspection
· Appearance: Hair-free, singed carcass meets market quality standards
· Downstream Quality: Residual hair in the final product is a major quality failure
· HACCP: Clean carcass reduces microbial load entering the chilling stage
Equipment Summary
Code | Equipment | Key Role |
E05 | Pig Washing Machine | Pre-scald surface wash, removes loose dirt |
E06 | Pig Scalding Tank | Submerges pig in hot water (60-65°C) to soften hair |
E07 | Spiral Dehairing Machine | High-speed rubber fingers, 95%+ hair removal |
E08 | Hair Singeing Furnace | Flame burns off remaining fine hairs |
Process Flow
Bleeding Complete → Pig Washing Machine (pre-scald wash)
↓
Pig Scalding Tank (60-65°C, 4-6 min) → Follicles loosened
↓
Spiral Dehairing Machine (95%+ hair removal)
↓
Hair Singeing Furnace (flame singe, final clean)
↓
Transfer to Evisceration
Selection Guide
Factor | Small-Scale | Standard | Large-Scale |
Capacity | 50-100/hr | 200-300/hr | 500-1,000/hr |
Scalding | Tank immersion | Tank + conveyor | Continuous tunnel |
Dehairing | Single machine | Single spiral | Dual spiral |
