Answer First: What Is a Batch Pasteurizer Machine?
A batch pasteurizer machine heats a fixed quantity of milk, ice cream mix, paneer milk, curd milk, or beverage base to the required pasteurization temperature, holds it for the required time, and then cools it before the next process step. It is different from an HTST pasteurizer because the product does not flow continuously through a plate heat exchanger.
Best Applications for Batch Pasteurization
- Small dairy plants producing milk, curd, paneer, or flavored milk.
- Ice cream plants preparing mix before homogenization and ageing.
- Food startups testing recipes before investing in continuous lines.
- Plants with multiple SKUs and uneven production schedules.
How to Size a Batch Pasteurizer
Batch capacity should be selected from the number of batches you can realistically process in a shift. Heating, holding, cooling, discharge, and cleaning time all reduce the number of productive hours available.
| Plant Type | Common Batch Size | Selection Note |
|---|---|---|
| Small dairy | 100-300 litres | Good for local milk and curd production |
| Ice cream unit | 200-500 litres | Match with homogenizer and ageing vat capacity |
| Paneer plant | 300-1,000 litres | Consider coagulation and downstream handling |
Batch vs HTST
Choose batch pasteurization when volumes are lower, product variety is high, and capital cost must be controlled. Choose HTST when the plant needs continuous high-volume processing, better energy recovery, and consistent line automation.
Request a Quote from SEW with litres per batch, product type, heating source, and expected production hours.