Quick freezing tunnels, also known as tunnel type quick freezing machines, can be divided into flat type quick freezing tunnels and spiral type quick freezing tunnels, composed of high-power fans, air-cooled compressors, copper tube evaporators, intelligent temperature control systems, and stainless steel conveyor belts. It can achieve continuous quick freezing work, save labor costs, and improve quick freezing efficiency.

Quick freezing tunnel, spiral quick freezing tunnel conveyor line, using flat mesh or spiral tower conveyor belt for transportation, with customizable dimensions, determined based on the quick freezing production capacity and workshop space. The quick-frozen tunnel is suitable for the quick-frozen dumplings, steamed stuffed buns, deep-fried dough sticks, balls and other wheaten foods.

The quick-frozen tunnel can achieve a temperature of -35 degrees in 30-60 minutes. The quick-frozen dumplings, steamed buns, deep-fried dough sticks, etc. can be easily and quickly frozen. One end enters and the other end outputs. The whole process is completely quick-frozen, convenient and fast.