I-nitrogen ewuketshezi: Igesi ye-nitrogen esesimweni soketshezi. Ayinawo umbala, ayinaphunga, ayiboli, ayishisi, izinga lokushisa elibangela ukucasuka okukhulu. I-nitrogen yakha ingxenye enkulu yomkhathi (78.03% ngobuningi kanye no-75.5% ngesisindo). I-nitrogen ayisebenzi futhi ayisekeli ukusha. I-frostbite ebangelwa ukuthintana ngokweqile kwe-endothermic ngesikhathi sokuhwamuka.
I-nitrogen ewuketshezi iwumthombo obandayo olula. Ngenxa yezakhiwo zayo ezihlukile, i-nitrogen ewuketshezi iye yanakwa kancane kancane futhi yaqashelwa abantu. Isetshenziswe kabanzi kakhulu ekufuyweni kwezilwane, embonini yezokwelapha, embonini yokudla, kanye nasemasimini ocwaningo lwe-cryogenic. Kwezobuchwepheshe, i-metallurgy, i-aerospace, ukukhiqizwa kwemishini kanye nezinye izici zohlelo lokusebenza ibilokhu ikhula futhi ithuthuka.
Ukusetshenziswa kwe-nitrogen ewuketshezi ekudleni okuqandisa ngokushesha
I-nitrogen ewuketshezi eqandisiwe njengenye yezindlela zokuqoqa eziqandisiwe iye yamukelwa yinkampani yokucubungula ukudla, ngoba ingafeza i-cryogenic ephansi ekushiseni okusheshayo, kodwa futhi nokufeza ingxenye yokuguquka kwengilazi kokudla okuqandisiwe, ukwenza ithini lokuncibilikisa ukudla libuyele esimweni salo sokuqala sokungajwayelekile kanye nesimo sokudla sokuqala, intuthuko enamandla kakhulu njengohlobo lokudla okuqandisiwe, Ngakho-ke, ikhombisa amandla ayingqayizivele embonini yokuqandisa ngokushesha. Uma kuqhathaniswa nezinye izindlela zokuqandisa, ukuqandisa ngokushesha kwe-nitrogen ewuketshezi kunezinzuzo ezilandelayo ezisobala:
(1) Izinga lokuqandisa okusheshayo (izinga lokuqandisa lishesha ngokuphindwe izikhathi ezingu-30-40 kunendlela evamile yokuqandisa): ukwamukelwa kwe-nitrogen ewuketshezi yokuqandisa ngokushesha, kungenza ukudla kusheshe kudlule endaweni yokukhula kwekristalu enkulu yeqhwa engu-0℃ ~ 5℃, abasebenzi bocwaningo lokudla benze izivivinyo eziwusizo kulokhu.
(2) Ukuhlanganisa ukudla: ngenxa yesikhathi esifushane sokubanda se-nitrogen ewuketshezi, ukudla okuqandisiwe yi-nitrogen ewuketshezi kungaxhunyaniswa nombala, iphunga, ukunambitheka kanye nezindleko zokudla ngaphambi kokucutshungulwa ngezinga eliphezulu. Imiphumela ibonise ukuthi i-areca catechu ephathwe nge-nitrogen ewuketshezi yayinokuqukethwe okuphezulu kwe-chlorophyll kanye nokuthandeka okuhle.
(3) ukusetshenziswa okuncane kwezinto ezomile: ngokuvamile izinga lokulahlekelwa ukusetshenziswa okomile okuqandisiwe lingu-3 ~ 6%, kanti ukuqandisa kwe-nitrogen okuwuketshezi kungasuswa ku-0.25 ~ 0.5%.
(4) Ukusetha ukuthunyelwa kwemishini kanye nokusetshenziswa kwamandla kuphansi, kulula ukuyiqonda umshini kanye nomugqa wokuhlanganisa osebenzayo, kuthuthukisa umkhiqizo.
Njengamanje, kunezindlela ezintathu zokuqandisa ngokushesha i-nitrogen ewuketshezi, okungukuthi ukuqandisa ngesifutho, ukuqandisa ngokucwilisa kanye nokuqandisa emoyeni obandayo, phakathi kwazo okusetshenziswa kabanzi ukuqandisa ngesifutho.
Ukusetshenziswa kwe-nitrogen ewuketshezi ekucubungulweni kweziphuzo
Manje, abakhiqizi abaningi beziphuzo sebemukele i-nitrogen noma i-nitrogen kanye nengxube ye-C02 esikhundleni se-C02 yendabuko, ukuze kugcinwe iziphuzo zokupakisha ezifuthwayo. Iziphuzo ezine-carbon eningi ezigcwele i-nitrogen zibangele izinkinga ezimbalwa kunalezo ezigcwele i-carbon dioxide kuphela. I-nitrogen nayo iyathandeka eziphuzweni ezisemathinini ezifana newayini namajusi ezithelo. Inzuzo yokugcwalisa amathini eziphuzo angafuthwayo nge-nitrogen ewuketshezi ukuthi inani elincane le-nitrogen ewuketshezi elifakwayo lisusa umoya-mpilo endaweni ephezulu yethini ngalinye futhi lenze igesi ingangeni endaweni ephezulu yethangi lokugcina, ngaleyo ndlela kwandiswe isikhathi sokugcina sezinto ezibolayo.
Ukusetshenziswa kwe-nitrogen ewuketshezi ekugcinweni nasekulondolozweni kwezithelo nemifino
Ukugcinwa kwe-nitrogen ewuketshezi yezithelo nemifino kunenzuzo yokulawula umoya, kungalungisa imikhiqizo yezolimo engaphansi kwesizini ephezulu kanye nokuphikisana kokunikezwa kanye nesidingo sesikhathi esingaphandle kwesizini, kuqede ukulahleka kwesitoreji. Umphumela we-air conditioner ukuthuthukisa ukuhlushwa kwe-nitrogen, ukulawula isilinganiso se-nitrogen, i-oxygen kanye negesi ye-C02, nokwenza ixhunywe esimweni esizinzile, amandla aphansi okuphefumula kwezithelo nemifino, kubambezele inkambo yokuvuthwa ngemva kokuvuthwa, ukuze izithelo nemifino zixhunywe esimweni esingavamile sokuqoqwa kanye nezindleko zokudla kwasekuqaleni, kwandise ubusha bezithelo nemifino.
Ukusetshenziswa kwe-nitrogen ewuketshezi ekucubungulweni kwenyama
I-nitrogen ewuketshezi ingasetshenziswa ukuthuthukisa inani lemikhiqizo enqubweni yokuhlikihla, ukunquma noma ukuxuba inyama. Isibonelo, ekucubungulweni kwesoseji yohlobo lwe-salami, ukusetshenziswa kwe-nitrogen ewuketshezi kungathuthukisa ukugcinwa kwamanzi enyama, kuvimbele ukubola kwamafutha, kuthuthukise ukunqunywa kanye nekhwalithi yobuso. Isetshenziswa ekucubungulweni kwenyama ecubunguliwe kabusha njenge-dessert yenyama nenyama egciniwe, ayikwazi nje ukusheshisa ukuncibilika kweqanda elimhlophe futhi iqinise ukugcinwa kwamanzi lapho inyama ididekile, kodwa futhi iwusizo kakhulu ekuhlanganiseni isimo esiyingqayizivele somkhiqizo. Enye inyama yezinto ezibonakalayo nge-nitrogen ewuketshezi ukupholisa ngokushesha, hhayi nje kuphela ekuxhumaneni okuhlala njalo phakathi kwezici zenyama eshisayo, igesi nokuqinisekisa impilo yenyama nokuthula. Kubuchwepheshe bokucubungula, asikho isidingo sokukhathazeka ngomthelela wokwenyuka kwezinga lokushisa ekhwalithini yenyama, futhi ukucubungula akuthintwa ukushisa kwezinto ezibonakalayo, isikhathi sokucubungula, izici zesizini, kodwa futhi kungenza inqubo yokucubungula ibe ngengcindezi ephansi ye-oxygen engaphelele, ebangeni elithile ukuze kwandiswe impilo yeshelufu yemikhiqizo.
Ukusetshenziswa kwe-nitrogen ewuketshezi ekudleni okuhlanganisiwe ekushiseni okushisayo
Ukuchoboza izinga lokushisa le-cryogenic inqubo yokuqhekeka ibe yimpuphu ngaphansi kwesenzo samandla angaphandle, apholiswa kuze kufike ezingeni lokushisa elibi. Ukuchoboza izinga lokushisa le-cryogenic kokudla kuyikhono elisha lokucubungula ukudla elikhule eminyakeni yamuva. Leli khono lifanele ukucubungula ukudla okunezakhi eziningi ezinuka kamnandi, okuqukethwe okunamafutha amaningi, okuqukethwe ushukela omningi kanye nezinto eziningi ze-gelatinous. Ukuchoboza izinga lokushisa le-cryogenic ngesijeziso sokulahla i-nitrogen ewuketshezi, kungachoboza ngisho nezinto zethambo, isikhumba, inyama, igobolondo kanye nokunye okuchobozwa kanye kuphela, ukuze izinto eziqediwe zibe zincane futhi zixhunywe nokudla okunomsoco okuwusizo. Uma iJapan izoqandiswa yi-nitrogen ewuketshezi ulwandle, i-chitin, imifino, izinongo, njll. ku-grinder, kungenza umkhiqizo oqediwe ube usayizi wezinhlayiya ezincane ofinyelela ku-100μm ngaphansi, kanye nesixhumanisi esiyisisekelo sezindleko zokudla zokuqala. Ngaphezu kwalokho, ukuchoboza izinga lokushisa le-cryogenic nge-nitrogen ewuketshezi nakho kungachoboza izinto okunzima ukuzichoboza ekushiseni kwegumbi, izinto ezizwela ukushisa futhi ezilula ukuwohloka lapho zishiswa futhi kulula ukuzihlaziya. Ngaphezu kwalokho, i-nitrogen ewuketshezi ingasetshenziswa ukuchoboza inyama enamafutha, imifino emanzi kanye nokunye ukudla okunzima ukuchoboza ekushiseni kwegumbi, futhi ingasetshenziswa ukwenza ukudla okusha okucutshunguliwe.
Ukusetshenziswa kwe-nitrogen ewuketshezi emaphaketheni okudla
Inkampani yaseLondon isungule indlela elula nesebenzayo yokugcina ukudla kusha ngokufaka amaconsi ambalwa e-nitrogen ewuketshezi ephaketheni. Lapho i-nitrogen ewuketshezi ihwamuka ibe yigesi, umthamo wayo ukhula ngokushesha, uthathe indawo yegesi yokuqala ngokushesha esikhwameni sokupakisha, uqede ukonakala kokudla okubangelwa yi-oxidation, ngaleyo ndlela kwandise kakhulu ubusha bokudla.
Ukusetshenziswa kwe-nitrogen ewuketshezi ekuthuthweni kokudla okufrijini
Ukuthutha okuqandisiwe kuyingxenye ebalulekile embonini yokudla. Ukuthuthukisa amakhono okuqandisa i-nitrogen ewuketshezi, ukukhulisa izitimela eziqandisiwe ze-nitrogen ewuketshezi, izimoto eziqandisiwe kanye nezitsha eziqandisiwe kuyindlela evamile yokukhula njengamanje. Ukusetshenziswa kohlelo lokuqandisa i-nitrogen ewuketshezi emazweni athuthukile iminyaka eminingi kukhombisa ukuthi uhlelo lokuqandisa i-nitrogen ewuketshezi luyikhono lokugcina eliqandisiwe elingancintisana nohlelo lokuqandisa lomshini kwezentengiselwano futhi futhi kuyindlela yokukhula yokuthutha okuqandisiwe kokudla.
Ezinye izindlela zokusebenzisa i-nitrogen ewuketshezi embonini yokudla
Ngenxa yesenzo se-nitrogen ewuketshezi esiqandisini, ijusi leqanda, izinongo eziwuketshezi, kanye nesoso likasoya kungacutshungulwa kube ukudla okuqandisiwe okukhululekile nokuthululwayo okutholakala kalula futhi okulungiselelwe kalula. Lapho kugaywa izinongo kanye nezithasiselo zokudla ezimunca amanzi, njengezithasiselo zikashukela kanye ne-lecithin, i-nitrogen ewuketshezi ifakwa ku-grinder ukuze ikhokhele izindleko futhi ikhulise isivuno sokugaya. Imiphumela ikhombisa ukuthi ukuphuka kodonga lwempova ngokucisha i-nitrogen ewuketshezi kuhlanganiswe nokuncibilika kokushisa okuphezulu kunezici zezithelo ezinhle, izinga eliphezulu lokuphuka kodonga, izinga lokushesha, umsebenzi ozinzile womzimba wempova futhi ongenakho ukungcola.
Imishini ye-HL Cryogenic
Imishini ye-HL Cryogeniceyasungulwa ngo-1992 iwuphawu oluhambisana ne-Inkampani Yemishini Ye-HL Cryogenic Equipment Cryogenic Equipment Co.,LtdI-HL Cryogenic Equipment izibophezele ekwakhiweni nasekukhiqizweni kwe-High Vacuum Insulated Cryogenic Piping System kanye ne-Support Equipment ehlobene nayo ukuze kuhlangatshezwane nezidingo ezahlukene zamakhasimende. I-Vacuum Insulated Pipe kanye ne-Flexible Hose zakhiwe nge-vacuum ephezulu kanye nezinto ezifakwe i-multi-layer multi-screen ezikhethekile, futhi zidlula ochungechungeni lwezindlela zokwelapha zobuchwepheshe eziqinile kakhulu kanye nokwelashwa kwe-vacuum ephezulu, okusetshenziselwa ukudlulisa i-oxygen ewuketshezi, i-nitrogen ewuketshezi, i-argon ewuketshezi, i-hydrogen ewuketshezi, i-helium ewuketshezi, i-ethylene gas LEG kanye ne-LNG yegesi yemvelo ewuketshezi.
Uchungechunge lwemikhiqizo ye-Vacuum Jacketed Pipe, i-Vacuum Jacketed Hose, i-Vacuum Jacketed Valve, kanye ne-Phase Separator ku-HL Cryogenic Equipment Company, edlulile ochungechungeni lwezindlela zokwelapha zobuchwepheshe eziqinile kakhulu, zisetshenziselwa ukudlulisa i-oxygen ewuketshezi, i-nitrogen ewuketshezi, i-argon ewuketshezi, i-hydrogen ewuketshezi, i-helium ewuketshezi, i-LEG kanye ne-LNG, futhi le mikhiqizo isetshenziselwa imishini ye-cryogenic (isb. amathangi e-cryogenic, ama-dewar nama-coldbox njll.) ezimbonini zokuhlukanisa umoya, amagesi, izindiza, ama-electronics, i-superconductor, ama-chips, ukuhlanganiswa okuzenzakalelayo, ukudla neziphuzo, ikhemisi, isibhedlela, i-biobank, irabha, ubunjiniyela bamakhemikhali bokukhiqiza izinto ezintsha, insimbi nensimbi, kanye nocwaningo lwesayensi njll.
Isikhathi sokuthunyelwe: Novemba-16-2021
