Air heat pump drying process for freshwater fish

Processing steps

(1) After salvaging the freshwater fish, cut open the belly of the fish and process the internal organs of the fish.

(2) Remove the gills and scales of the fish.

(3) Clean the fish and marinate it.

(4) After marinating, put the fish into the material sieve tray and load it into the material cart.

Air heat pump drying process for freshwater fish

Drying step

As the freshwater fish has a relatively high water content and oil content, the baking process is divided into two stages.

The first stage: low temperature drying should be carried out during this drying step, the temperature should be set at about 30 ℃, the baking time should be about 20 minutes, and the humidity should be controlled at 40%.

The second stage: In this stage, the temperature is about 35~40℃, the baking time is 8~10 hours, and the humidity is controlled at 15%. Finally, after baking for 30 hours, the dried fish can be removed from the drying oven. Take the fish out and check the quality before packing.