Food Processing Heat Recovery: Capturing Process and Exhaust Heat

目次

Food plants bake, cook, pasteurize, and chill around the clock. Both the process air and the building exhaust carry large amounts of recoverable energy - often with moisture, grease, or particulates that demand a cleanable, robust exchanger.

  • Enthalpic plate or rotary wheels recover both heat and moisture from humid exhaust (ovens, cookers, wash areas).
  • Sensible plate units suit dry, particle-heavy streams where simplicity and wash-down matter.
  • Run-around coils link distant process exhaust to incoming make-up air.

Preheat incoming fresh air in winter, pre-heat process water, or feed space heating. In cold climates, watch frost protection on the exhaust side.

Choose cores rated for frequent wash-down (stainless or coated aluminum) and plan a cleaning rhythm using our cleaning & maintenance guide. Track effectiveness and pressure drop to catch fouling early.

With continuous thermal loads, food plants often recover capital in 2-4 years. Validate with a payback calculation.

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