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Inline pasteurisation
Flash Pasteuriser
Throughput: 1,000 L/h
The Flash Pasteuriser is an inline HTST pasteurisation system for beer, RTDs, soft drinks, seltzers, and other carbonated or non-carbonated beverages. Product is heated, held at pasteurisation temperature, and rapidly cooled in a continuous process before packaging, avoiding the longer cycle times associated with batch pasteurisation. The system uses plate heat exchanger zones for heat recovery, final heating, holding, and cooling. PLC/HMI control manages pasteurisation settings, temperature control, alarms, and diversion logic, while hygienic hard piping and CIP compatibility support integration into commercial beverage lines.
TECHNICAL DETAILS
Process description
1. Regenerative Preheating
Cold beer is pumped into the regeneration section of the plate heat exchanger (PHX), where it undergoes convective heat exchange with outgoing hot, pasteurised beer. This raises the product temperature to approximately 60-65 °C, improving overall thermal efficiency.
2. Heating and Holding
The preheated beer enters the heating zone, where it is rapidly brought to pasteurisation temperature, typically 72-75 °C, using controlled hot water circuits. It then flows through a holding tube, maintaining this temperature for a defined residence time to achieve the required pasteurisation units (PU) and ensure microbiological stability.
3. Regenerative Cooling and Final Cooling
Following pasteurisation, the hot beer returns to the regeneration section, transferring heat to incoming product and cooling to approximately 15-20 °C. It then passes through the final cooling zone, where chilled glycol or cold water reduces it to packaging temperature, typically 2-4 °C. The system operates under continuous monitoring, with automatic recirculation and alarms triggered by any temperature or pressure deviation.
Process Efficiency
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01
Continuous Pasteurisation
Inline operation treats product continuously before packaging, supporting higher throughput and reducing the waiting time associated with batch cabinet systems.
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02
Heat Recovery
Plate heat exchanger design recovers heat from outgoing pasteurised product to pre-heat incoming product, reducing heating and cooling demand.
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03
Rapid Heating and Cooling
HTST treatment limits thermal exposure while still achieving the required pasteurisation effect, helping protect product flavour and carbonation stability.
Control & Hygiene
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04
Precise PU Control
PLC/HMI control allows pasteurisation temperature, holding time, and process settings to be managed consistently across production runs.
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05
Automatic Diversion Protection
If process temperature or pressure deviates from set limits, product can be diverted to recirculation rather than passing forward to packaging.
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06
CIP-Compatible Design
Hygienic pipework, plate heat exchanger construction, and clean-in-place compatibility support routine sanitation without dismantling process sections.
Available configurations
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Standard Flash Pasteuriser
Inline HTST skid for beer and beverage production, integrating heating, holding, cooling, instrumentation, and automated process control.
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High-Recovery Flash Pasteuriser
Configuration focused on energy efficiency, using plate heat exchanger recovery loops to minimise steam and glycol demand.
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Carbonated Beverage Configuration
Designed for beer, seltzer, RTD, and soda applications where pressure control and gentle handling are required to protect carbonation.
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Custom Capacity Flash Pasteuriser
Specified to suit target throughput, product type, pasteurisation units, utility availability, and integration with the filling line.
| Parameter | Value | Unit / Notes |
|---|---|---|
| Process Type | HTST (High Temperature Short Time) | Continuous pasteurisation |
| Heat Recovery | 85–90% | Energy efficiency |
| Temperature Control | Cascade control loop | High accuracy control |
| Pasteurisation Control | Adjustable PU setting | Flexible process control |
| Design | Compact skid-mounted system | Plug & play installation |
| Hygiene | Fully sanitary piping design | Self-draining, minimal dead legs |
| Automation | High automation with data logging | Batch tracking & curve recording |
| CIP Compatibility | Yes | Integrated cleaning capability |
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