ʻO ka impingement tunnel freezer he ʻano maʻalahi, ʻoi aku ka maikaʻi o ka lako manuahi.Hiki ke hoʻokaʻawale ʻia i loko o ka impingement mesh belt tunnel freezer a me ka impingement solid belt tunnel freezer.
ʻO ka hoʻopaʻa ʻana i ka mesh belt tunnel freezer a hoʻokuʻu i nā huahana ma ke kī ʻana pololei i ka ea ma luna a me lalo o ke kāʻei.ʻO nā mea pā me nā pahu ea kiʻekiʻe e puhi i ka ea ma o nā nozzles kūikawā i hana ʻia i nā huahana.ʻO ke ala puhi kūikawā me ka nui o ka evaporating wahi e hōʻoia i ka maikaʻi o ka hoʻololi wela a me ka maloʻo wikiwiki.
Hoʻohana nui ʻia ia i ka granular maloʻo wikiwiki, nuggets, a me nā meaʻai pālahalaha, e like me ka kulina, ʻōpae, iʻa fillet, hamburger patties etc.