I-vacuum yangaphambi kokupholisa yezithelo nemifino ingasusa ngokushesha nangokulinganayo ukushisa kwensimu okulethwa ukukha, kunciphise ukuphefumula kwezithelo nemifino, ngaleyo ndlela kwandise isikhathi sokugcina izithelo nemifino, kulondoloze ubusha bezithelo nemifino, futhi kuthuthuke. izinga lokugcinwa okusha.
I-vacuum pre-cooling iwuhlelo lokupholisa olushesha kakhulu nolungabizi kakhulu lwemifino, izithelo, izimbali, njll. Ubuchwepheshe be-vacuum pre-cooling bunganweba isikhathi seshalofu lemikhiqizo, bunciphise izinga lokubola, futhi buthuthukise kakhulu ikhwalithi yomkhiqizo. imikhiqizo, futhi manje abalimi abaningi bemifino nezithelo bakhetha ama-vacuum coolers.