Umgomo: impilo yeshelufu enwetshiwe yemikhiqizo esanda kusikwa.
Isitha: igesi ye-ethylene ekhiqizwa izithelo nemifino evuthwayo edala ukubola nokubola. Izixazululo: izindlela zokupakisha ezingcono nezintsha
izindlela zokulawula umoya esitsheni.
Ukulawula umoya
Ukulawula umoya kuqala kudlala esiteji esikhulu. Ukugcinwa komkhathi olawulwayo (CA) wama-apula kuyinto evamile emakamelweni amakhulu aqukethe izinkulungwane zamabhasha esithelo. Kwezinye izitshalo, ezifana notamatisi, ukuvuthwa kanye nokukhululwa kwe-ethylene nakho kulawulwa emakamelweni amakhulu. Kodwa-ke, inkinga yokwelula impilo yeshalofu kusukela embonini yokucubungula kuya esitolo segrosa kuya etafuleni lasekhishini - ikakhulukazi ngemva kokuba umkhiqizo ususikiwe - uhlala.
I-MAP (i-modified atmosphere packaging) inciphisa isikhala esilawulekayo ukusuka ekamelweni elikhulu, noma ngisho nesikhwama esikhulu, kuya esitsheni esincane.
"Isimo esishintshiwe besitholakala kuphela ngobuningi, izikhwama ezinkulu noma amakhava amakhulu," kusho uJoe Bradford, umphathi wezimpahla ezipakishwayo. I-Temkin International. Manje sekuhluke ngokuphelele. Manje silawula noma yiziphi izinhlobo zokupakisha ezingavalwa ngophawu oluqinile. ”
Iziqukathi njengamasistimu
Ukuthola impilo yeshelufu ende kusho ukunaka umoya ongaphakathi kwesiqukathi kanye nesiqukathi ngokwaso, ukubheka njengesistimu.
"Kunzima ukushintsha isimo esingaphakathi kwephakeji ngaphandle kokubheka ukungena kwephakeji, okungaholela ekuhwebeni uma kukhulunywa ngokudayiswa kalula noma ikhwalithi yomkhiqizo," kusho u-Ian Ferguson, iphini likamongameli we I-Chantler Packaging.
Eminyakeni eyisithupha edlule, uTemkin ubambe iqhaza ku-MAP ngokubambisana nayo Windham Packaging kanye nososayensi wayo omkhulu, u-Elizabeth Marston. Usebenzisana namakhasimende akwa-Temkin ukuthuthukisa amazinga omoya-mpilo kanye ne-carbon dioxide ngaphakathi kwephakeji eliqondene ngqo nesithelo noma imifino, imvelaphi yaso kanye nendawo eya kuyo.
"Uma umuntu oyedwa epakisha iphawundi likabhontshisi obuluhlaza eGuatemala ezingeni lokushisa elingu-50 degrees, kanti omunye upakisha ePompano Beach ngo-55 degrees kanti omunye eSalinas ngo-46 degrees, izidingo zabo zizohluka kancane," kusho uBradford. . "Singakwazi ukuhlanganisa (umkhathi) hhayi nje kuphela kwempahla, kodwa futhi nekhasimende."
Kusetshenziswa ubuchwepheshe be-microperforation, amanani afunekayo komoyampilo kanye ne-carbon dioxide adluliselwa esitsheni ngasinye esivalwe nge-hermetically ngokusebenzisa izimbobo ezincane. Lokhu kunciphisa ukuphefumula futhi kwandise impilo yeshalofu.
Ngokulawulwa okufanele kwenqubo, impilo yeshalofu inganwetshwa amasonto esikhundleni sezinsuku - kwesinye isikhathi isuka kweziyi-14 iye kweziyi-21 noma ngisho nezinsuku ezingama-28, kusho uBradford.
DeltaTRAK, ngokubambisana ne-Chantler Packaging, ithuthukise uhlelo olubizwa nge-PrimePro Ethylene Adsorption Packaging (EAP). Lolu hlelo luhlanganisa izithasiselo ngqo kumafilimu epulasitiki asetshenziselwa ukumboza amaphalethi noma amabhokisi oqweqwe lomkhiqizo.
"Ubuchwepheshe bethu buyingqayizivele ngoba sigxila ekulawuleni amazinga e-ethylene gas, hhayi ukuguqula izinga le-oxygen noma i-carbon dioxide," kusho uFerguson. "Lokhu kwenza ubuchwepheshe bethu bukwazi ukusebenza ezinhlelweni ezingeke zilungele ukupakishwa okujwayelekile komkhathi."
At I-Multivac, izixazululo zokupakisha zenkampani zenzelwe ukunweba impilo yeshalofu yamasaladi alungisiwe namakhithi amasaladi, kusho uBill Williams, umphathi womkhiqizo womugqa womkhiqizo wethreyi we-Mulivac ovaliwe.
I-T 300 inline tray sealer idala iphakheji "eliyithreyi ngaphakathi kwethreyi, elinophawu olulodwa phezulu," kusho uWilliams.
Uhlobo ngalunye lwesaladi lunezinhlanganisela zalo zamagesi aphindiselwa emuva ephaketheni ukuze kwakheke isimo esithile esiguquliwe.
Enye inzuzo ohlelweni, futhi enye enomthelela ekwandiseni impilo yeshalofu yomkhiqizo, ukuhlanza kalula i-T 300, kusho uWilliams.
"Abantu abasanda kusikwa bakhathazekile, futhi kufanele, ngenhlanzeko: ukuhlanza nokuwashwa kwemishini," kusho yena. "Umshini uhlanzeke ngokwedlulele ... futhi wakhelwe ukuthi ugezeke ngokuphelele."
Ezinye izinketho ze-Multivac eziklanyelwe ukunweba impilo yeshalofu zihlanganisa ukugcinwa komfutho ophezulu (i-HPP), okusetshenziselwa ukucekela phansi ama-microorganisms amoshayo; kanye ne-Fresh-SAFE
uhlelo lokupakisha lomkhiqizo omusha, olusebenzisa i-MAP kanye nomdwebo wokupakisha oshintshiwe womkhathi kufilimu ene-microperforated.