速冻机是在短时间内，把速冻的物品中心温度冻达到-18°，以达到营养成分不流失，品相不变色泽晶透。
隧道速冻机是一种结构较为简单的高效速冻装置。
Tunnel freezer is a simple structure, highly efficient freezing equipment.
根据输送带的不同，可分为隧道网带速冻机和隧道板带速冻机。
It can be divided into stainless steel belt tunnel freezer and mesh belt tunnel freezer.
国内螺旋吹风式速冻机与国外相比效率低下，其中料口严重跑冷是主要原因之一。
Compared with foreign equipments, those of our domestic are more inefficient, the mess and heat transfer at the entrance and exit is one of the main causes of the energy loss.
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