Caustic residue detection for bottle washing
Ensure product purity by detecting and eliminating residual caustic in returnable containers, seamlessly integrated into your bottle washing line.

Detects Caustic Residues in Bottling Lines
The Krones Separate Caustic Detection Unit offers a highly reliable solution for beverage manufacturers seeking to maintain impeccable product quality. Using high-frequency detection technology, this unit identifies the slightest traces of caustic residues in returnable glass bottles, preventing potential contamination and ensuring only safe containers proceed in the production line. Its compact design allows for seamless integration directly on the conveyor system, eliminating the need for product flow interruption. Designed for non-contact, high-speed operations, the detection unit promotes gentle handling of containers and low maintenance demands. The system’s self-monitoring capability ensures high operational reliability, restricting access to authorized personnel through secure code or transponder entry. With easy installation and waterproof components, the Krones unit is perfect for continuous operations in diverse applications, from lager beer to mineral water bottling.
Benefits
- Ensures superior product quality by preventing caustic residue contamination.
- Seamlessly integrates into existing conveyor systems, maintaining production flow.
- Minimizes operational downtime with non-contact, reliable detection.
- Enhances security with restricted access to system adjustments.
- Simplifies maintenance with easy installation and waterproof design.
- Applications
- Water,Alternative proteins,Milk and milk-based drinks,Returnable containers,Spirits,Plant-based milk alternatives,Juice,Soft drinks,Beer
- End products
- Mineral water,Lager beer,Orange juice,Almond milk,Vodka,Cola,Tofu,Glass bottles,Whole milk
- Steps before
- Bottle washing,Container cleaning
- Steps after
- Filler operation,Conveyor transport
- Input ingredients
- returnable containers,residual caustic
- Output ingredients
- detected caustic residues,inspected containers
- Market info
- Krones is renowned for its expertise in manufacturing beverage and liquid food processing and packaging equipment, offering comprehensive solutions that include filling, packaging technology, and processing systems, and is reputed for innovation and quality in the industry.
- Detection method
- High-frequency technology
- Compact size
- Directly mounted on the conveyor
- Operational reliability
- Self-monitoring system
- Non-contact inspection
- Yes
- Self-monitoring
- Yes
- Installation
- Simple/Uncomplicated
- Working mechanism
- High-frequency technology
- Automation level
- Automatic detection
- Cleaning method
- Contactless inspection
- Changeover time
- Immediate stop on detection
- Installation ease
- Simple installation
- Size
- Compact unit
- Access control
- Code entry or transponder
- Operational reliability
- Self-monitoring system
- Maintenance requirement
- Easy maintenance
- Interruption-free operation
- No product flow interruption
- Alert system
- Acoustic warning unit
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Container type
- Glass / PET
- Compact footprint
- Yes
- Control panel type
- Code entry/transponder access
- Installation type
- Mounted on conveyor
- Size
- Small/Compact
- Integration possibilities
- Conveyor mounting
- Access control
- Code entry / Transponder
- Warning system integration
- Acoustic warning unit
- Control panel type
- Digital display with operational status visibility