Nikeza imigqa yemishini yokupakisha enesisindo ezenzakalelayo kusukela ngo-2012
Ukufuna ubusha ekulondolozweni kokudla kuholele ezintweni eziningi ezintsha, phakathi kwazo okugqama imishini yokupakisha ama-nitrogen-chips. Abathengi abaningi bavame ukucabanga ukuthi isikhwama sama-chips sivaliwe ukuze silondoloze ubusha, kodwa ubuciko beqiniso busekutheni lobo bufakazi bufinyelelwa kanjani. Inqubo yokupakisha ukudla nge-nitrogen idlula nje ubuhle; ihilela isayensi nobuchwepheshe obuhlose ukwandisa isikhathi sokuphila eshalofini nokuthuthukisa ulwazi lokudla. Kunoma ubani ofisa ukwazi ukuthi lobu buchwepheshe busebenza kanjani, izinzuzo obuzinikezayo, nokuthi busiza kanjani ekuphepheni kokudla, lesi sihloko sigxila kakhulu ekusebenzeni nasekuzuzeni kokupakisha i-nitrogen embonini yokudla okulula.
Ukuqonda Izisekelo Zokupakishwa Kwe-nitrogen
Ukupakisha i-nitrogen, okwaziwa nangokuthi i-nitrogen flushing, kuyindlela esetshenziswa kabanzi embonini yokudla ukuze kulondolozwe ubusha bemikhiqizo, ikakhulukazi ukudla okulula okufana nama-chips. Isimiso esiyisisekelo sale ndlela silula: i-nitrogen iyigesi engasebenzi kahle esusa umoya-mpilo ephaketheni. Ngokwenza kanjalo, idala indawo evikelayo evimbela ukukhula kwamagciwane asebenza kahle kanye nezikhunta, ezichuma ezindaweni ezigcwele umoya-mpilo.
Ukwakheka komoya esiwuphefumulayo kuqukethe cishe i-nitrogen engu-78%, i-oxygen engu-21%, kanye namanani amancane amanye amagesi. Uma ama-chips noma imikhiqizo efanayo ipakishwa, i-oxygen ingaholela emiphumeleni eminingana emibi, okuhlanganisa i-oxidation kanye ne-rancidity, okubangela ukulahlekelwa ukunambitheka kanye nekhwalithi yokudla okunempilo. Ukuba khona komswakama kungaholela nasekuboleni nasekushintsheni kokwakheka. I-nitrogen, ngakolunye uhlangothi, ayisabelani nezinto zokudla, okwenza kube yinto efanelekile yokugcina ubusha.
Inqubo iqala lapho ama-chips esephekiwe futhi epholile, eselungele ukupakishwa. Umshini wokupakisha ama-chips e-nitrogen udonsa umoya ozungezile, uwushintshe ngegesi ye-nitrogen ukuze kufezwe indawo engenawo umoya-mpilo ophansi. Uma i-nitrogen isigcwalisiwe, ukupakishwa kuvalwa ngokuqinile ukuze kuvinjelwe noma yimuphi umoya wangaphandle ukuthi ungangeni. Lesi simo esilawulwayo sigcina umkhiqizo usha isikhathi eside, siqinisekisa ukuthi abathengi bajabulela ikhwalithi efanayo yokunambitheka kanye nokuqhekeka njengalapho upakishwa okokuqala.
Ngaphezu kwalokho, ukupakishwa kwe-nitrogen akugcini nje ngokutholakala kuma-chips. Kusetshenziswa nakwezinye izinhlobo zokudla okulula, izithelo ezomisiwe, ngisho nakwezinye izinhlobo zokudla okuqandisiwe, okugqamisa ukuguquguquka kwayo embonini yokudla. Njengoba abathengi beqaphela kakhulu ikhwalithi nokuphepha kokudla, kulindeleke ukuthi ukwanda kokupakishwa kwe-nitrogen kukhule, okwenza kube yingxenye ebalulekile yezindlela zanamuhla zokugcina ukudla.
Indima Ye-Nitrogen Ekuvimbeleni Ukulimala Kwe-Oxidative
Umonakalo we-oxidative ungenye yezizathu eziyinhloko zokuwohloka kwemikhiqizo yokudla, ikakhulukazi leyo ecebile ngamafutha namafutha, njengama-chips. Uma lezi zinto zivezwa emoyeni, ukusabela kwamakhemikhali okuphula izakhamzimba nokunambitheka kungenzeka, okuholela ekunambithekeni okungekuhle kanye nephunga elibi. Uma ukudla kuvezwa umoya-mpilo isikhathi eside, kulapho le miphumela iba sobala khona.
Ngokusebenzisa i-nitrogen ekupakisheni, abakhiqizi bakha isithiyo ezinqubweni ze-oxidative. Ama-molecule e-nitrogen asusa umoya-mpilo, okunciphisa kakhulu amathuba okubola kwe-oxidative. Ucwaningo lukhombisile ukuthi imikhiqizo ehlanganiswe ne-nitrogen igcina ukunambitheka kwayo isikhathi eside kakhulu kunaleyo evalwe ngomoya ojwayelekile. Lokhu kubaluleke kakhulu hhayi nje ekwanelisekeni kwabathengi kodwa futhi nasekunciphiseni imfucuza yokudla, njengoba imikhiqizo emisha ingamelana nezikhathi ezinde zokushelela ngaphandle kokubeka engcupheni ikhwalithi.
Esinye isici esibalulekile somonakalo we-oxidative umthelela wawo kokuqukethwe kokudla okunempilo. Amavithamini amaningi nama-antioxidants akhona emikhiqizweni yokudla nawo ayazwela ekushiseni nasekukhanyeni. Ukupakisha endaweni ecebile nge-nitrogen kuvikela lezi zakhi zomzimba, kulondoloza hhayi ukunambitheka kuphela kodwa nezinzuzo zezempilo ezihambisana nokudla lezi zindlela zokudla okulula. Ngokuhamba kwesikhathi, njengoba ukuthambekela kokudla okuqaphela impilo kukhula, ukuba nokudla okunempilo okulondoloziwe kuzoba yindawo yokuthengisa ebalulekile yemikhiqizo esebenzisa imishini yokupakisha ama-nitrogen chips.
Ngaphezu kwalokho, ukusabela kwe-oxidative kungashintsha ukuthungwa kokudla, ikakhulukazi kokudla okulula okucrispy njengama-chips. Ukuchayeka ku-oxygen kungabangela ukuguga, okuholela ekuhlangenwe nakho kokudla okungajabulisi kangako. Ngokupakishwa kwe-nitrogen, ingozi yokuguga incishiswa kakhulu, futhi abathengi bangalindela lokho kudla okwanelisayo ngokuluma ngakunye. Lesi sici sibaluleke kakhulu ekugcineni ukwethembeka komkhiqizo, njengoba abathengi bazohlala bethanda imikhiqizo enikeza kokubili ukunambitheka kanye nokuthungwa njalo.
Izinzuzo Zokusebenzisa Umshini Wokupakisha Ama-Nitrogen Chips
Izinzuzo zokusebenzisa umshini wokupakisha ama-nitrogen chips zidlulela ngale nje kokuphila isikhathi eside eshalofini kanye nokulondolozwa kwekhwalithi. Le mishini inikeza izinzuzo eziningana zokusebenza kwabakhiqizi, kusukela ekusebenzeni kahle kanye nokusebenza kahle kwezindleko kuya ekukhangeni komkhiqizo okuthuthukisiwe kubathengi.
Okokuqala nokubaluleke kakhulu, ukusetshenziswa kwe-nitrogen ekupakisheni kungaholela enkambisweni yokukhiqiza esebenza kahle kakhulu. Ukwenza ngokuzenzakalelayo umsebenzi wokupakisha kuvumela ukupakisha nokuvala okusheshayo, okunciphisa isikhathi imikhiqizo echithwa emgqeni wokukhiqiza. Lesi sivinini singabaluleka kubakhiqizi abafuna ukuhlangabezana nesidingo esikhulayo ngaphandle kokulahlekelwa ikhwalithi. Ukuthembeka kwemishini yokupakisha i-nitrogen kuqinisekisa ukuthi isikhwama ngasinye sigcwaliswa njalo ngamazinga afanele e-nitrogen, okwenza kube lula ukulawula ikhwalithi nokunciphisa amaphutha abantu.
Ngokombono wezindleko, i-nitrogen ayibizi kakhulu futhi iningi uma iqhathaniswa nezinye izindlela zokulondoloza ukudla. Nakuba ukupakisha nge-vacuum kungenye indlela, kuvame ukudinga imishini ebanzi kakhulu kanye nobuchwepheshe bokuvala obuthuthukisiwe, okungaba yindleko encane kubakhiqizi abancane. Izinhlelo zokuhlanza i-nitrogen zinikeza ikhambi elisebenzayo ezinkampanini zabo bonke osayizi, ezibavumela ukuthi balondoloze amazinga ekhwalithi aqinile ngenkathi begcina izindleko zokukhiqiza zilawulwa.
Ngaphezu kwalokho, ukupakishwa kwe-nitrogen kuthuthukisa ukubukeka komkhiqizo. Izikhwama ezivalwe nge-vacuum zivame ukubukeka ziyisicaba futhi zingakhangi kangako; noma kunjalo, ukunyuka kwe-nitrogen kunikeza ukubukeka okuvuvukile, okungadonsela abathengi. Ukupakishwa okubukeka kusha futhi kukhanga kubalulekile emakethe egcwele izinketho, njengoba ukukhuthazwa kokubona kungaba yisihluthulelo ezinqumweni zokuthenga.
Ngaphezu kwalezi zici, imishini yokupakisha i-nitrogen inegalelo ezinhlelweni zokuzinza. Ngokunciphisa imfucuza yokudla ngenxa yokonakala nokwandisa isikhathi sokuphelelwa yisikhathi komkhiqizo, abakhiqizi bangathuthukisa ukusebenza kahle kwezinsiza. Nakuba inqubo yokuqala yokupakisha ingadinga amandla, ukuncipha kwemfucuza iyonke kanye nekhono lokuthutha imikhiqizo amabanga amade ngaphandle kokulahlekelwa ikhwalithi kungenza umehluko omkhulu emthonjeni wemvelo.
Ukuthuthukisa Ukuphepha Kokudla Ngokupakishwa Kwe-nitrogen
Ukuphepha kokudla kubaluleke kakhulu embonini yokudla, futhi indima yokupakishwa kwe-nitrogen ayikwazi ukweqiswa kulokhu. Ukusetshenziswa kwe-nitrogen ekudleni okulula akugcini nje ngokwandisa isikhathi sokugcinwa kodwa futhi kudlala indima ebalulekile ekuqinisekiseni ukuthi le mikhiqizo ihlala iphephile ukudliwa ngokuhamba kwesikhathi.
Enye yezinto ezikhathazayo ngokuphepha kokudla ukuthi kungenzeka ukuthi amagciwane ayingozi akhule, anganda ezindaweni ezicebile nge-oxygen. Ukungangeni kwe-nitrogen kunciphisa ngempumelelo ukuba khona kwe-oxygen, okudala indawo engathandeki yokuthi amagciwane ahamba kahle achume. Lokhu kufaka phakathi amagciwane atholakala ekudleni angalimaza impilo yabathengi. Imikhiqizo evezwa engcupheni yomoya ozungezile, okungaholela ekuguleni. Ngokusebenzisa amaphakheji e-nitrogen, abakhiqizi banciphisa kakhulu lezi zingozi zempilo.
Ngaphezu kwalokho, ukugcina indawo engenawo umoya-mpilo ophansi kusiza nasekulondolozeni ukuthungwa nokunambitheka komkhiqizo, okufaka isandla ekuphepheni kokudla ngendlela ehlukile. Uma umkhiqizo uhlala umusha futhi ukhanga, abathengi banamathuba amancane okudla izinto ezonakele noma esezidlulile esikhathini sokuphila kwazo. Lokhu kuqinisekisa ukuhambisana kangcono nezindinganiso nemithethonqubo yokuphepha kokudla, okubalulekile ekugcineni ubuqotho bomkhiqizo.
IKhomishini Yokuphepha Komkhiqizo Wabathengi igcizelela ukubaluleka kokupakisha okufanele ekuvimbeleni izifo ezibangelwa ukudla, okwenza ukupakisha i-nitrogen kube ukukhetha okuhle kakhulu. Abakhiqizi abasebenzisa imishini yokupakisha ama-nitrogen chips babonisa ukuzibophezela ekuphepheni kokudla, okungenza abathengi bakwethembe. Lokhu kwethenjwa kubalulekile endaweni lapho abathengi abaningi befuna khona ukucaca kanye nokuziphendulela ezinhlotsheni zokudla.
Okokugcina, izinhlangano ezilawulayo zihlolisisa kakhulu imikhiqizo yokudla kanye nezindlela zayo zokupakisha. Ngokusebenzisa ubuchwepheshe obuthuthukisiwe bokupakisha i-nitrogen, izinkampani zizibeka njengezinhlangano ezicabanga kusengaphambili ezizinikele ekugcineni amazinga aphezulu okuphepha. Le ndlela yokuqapha ingenza kube lula ukusebenza kahle, inciphise ukukhunjulwa, futhi ikhuthaze indawo yokuzethemba kwabathengi.
Ikusasa Lokupakishwa Kwe-Nitrogen Embonini Yokudla Okulula
Imboni yokudla okulula iyaqhubeka nokushintsha, njengoba izintandokazi zabathengi zishintsha ziye ezinkethweni ezinempilo nezintsha. Njengoba ulwazi lukhula ngokudla okunempilo, ikhwalithi, kanye nokusimama, ukupakisha i-nitrogen cishe kuzodlala indima evelele kakhulu. Ubuchwepheshe obusemuva kwemishini yokupakisha ama-nitrogen chips cishe buzoqhubeka nokuthuthuka, okuholela ezinqubweni ezisebenzayo kakhudlwana, amakhono athuthukisiwe, futhi mhlawumbe ngisho nekhono lokufaka ukunambitheka noma izithako ezisebenzayo ngqo ngesikhathi sokupakisha.
Enye yezindlela ezithinta kakhulu embonini yokudla okulula ukuthuthela ekudleni okulula okusekelwe ezitshalweni kanye nemikhiqizo enezithako zokwenziwa ezincishisiwe. Imikhiqizo elwela ukuhlangabezana nalezi zidingo izozuza kakhulu ekupakishweni kwe-nitrogen. Izingxenye ezingaziwa kakhulu kanye nokunambitheka okubucayi kungadinga ukuvikelwa ekuchayweni yi-oxygen ukuze kugcinwe iphrofayili yazo, futhi i-nitrogen inganikeza leso sithiyo.
Ukusungula izinto ezintsha ezihambisana nemvelo kuzophinde kuthinte ikusasa lokupakisha i-nitrogen. Njengoba ulwazi olukhulayo mayelana nemfucuza yepulasitiki kanye nokusimama kwemvelo lukhula, abakhiqizi bahlola izinto ezibolayo noma eziphinde zisetshenziswe kuhlanganiswe nobuchwepheshe be-nitrogen. Le ndlela ingavumela imikhiqizo ukuthi ithole ubusha ngaphandle kokubeka engcupheni imithwalo yayo yemfanelo yezemvelo, ikhange abathengi abaqaphela imvelo.
Njengoba ubuchwepheshe babathengi buqhubeka nokuthuthuka, singalindela nezindlela zokulandelela eziyinkimbinkimbi ezifakwe ekupakisheni. Ukupakisha okuhlakaniphile okuxhumana nabathengi noma okunikeza ukucaca mayelana nokusha nokuphepha komkhiqizo kunganikeza izikhuthazo ezengeziwe zokusebenzisa i-nitrogen. Imizamo enjalo cishe izothinta abathengi abasebasha, abanolwazi ngobuchwepheshe abafuna ulwazi ngaphambi kokuthenga.
Ukuthuthuka kwezentengiselwano ze-inthanethi ekuthengeni ukudla kugcizelele kakhulu isidingo sokupakisha okuphumelelayo. Njengoba abantu abaningi bephendukela ekuthengeni ukudla okulula nokudla ku-inthanethi, ikhono lemikhiqizo egcwele i-nitrogen lokubekezelela izimo zokuthunyelwa ngaphandle kokubeka engcupheni ikhwalithi liba yigugu kakhulu.
Ngamafuphi, imishini yokupakisha ama-nitrogen chips iguqula indlela imboni yokudla okulula esondela ngayo ekusha kanye nokulondolozwa kwekhwalithi. Ngokudala indawo engasebenzi kahle enciphisa ukungcoliswa futhi ivimbele ukukhula kwamagciwane, le mishini ithuthukisa ukuphepha kokudla, yelula isikhathi sokuphila, futhi inikeza abakhiqizi izinzuzo eziningi zokusebenza. Njengoba indawo yokudla ishintsha futhi okulindelwe ngabathengi kushintsha, ukupakisha i-nitrogen kulungele ukuba phambili, ukuqinisekisa ukuthi ukufuna ukusha kuyaqhubeka ngaphandle kokuphazamiseka. Ngokuphepha okuthuthukisiwe, ukuchithwa kwemfucuza okuncishisiwe, kanye nesithembiso sokuletha imikhiqizo esezingeni eliphezulu kubathengi, ikusasa lokupakisha i-nitrogen libukeka liqhakazile.
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