I-Liquid Nitrogen: Igesi yeNitrogen esesimweni se-liquid. I-inert, engenamibala, engenamqondo, engenawo amandla, okungavuleki, izinga lokushisa le-cryogenic. I-nitrogen yakha iningi lomkhathi (78.03% ngevolumu ne-75,5% ngesisindo). I-nitrogen ayisebenzi futhi ayisekeli ukuhlanganiswa. I-Frostbite ebangelwa ukuxhumana ngokweqile kwe-endothermic ngesikhathi se-vaporization.
I-Nitrogen ewuketshezi ngumthombo obandayo olula. Ngenxa yezakhiwo zayo ezihlukile, i-nitrogen ye-liquid iphinde ikhokhwe kancane kancane futhi yamukelwa ngabantu. Kusetshenziswe kabanzi futhi kusetshenziswe kabanzi ekuyenihweni kwezilwane, embonini yezokwelapha, embonini yokudla kanye nezinkundla zokucwaninga zeCryogenic. Kwe-elekthronikhi, metallurgy, aerospace, imishini yokukhiqiza kanye nezinye izici zohlelo lokusebenza kukhulile futhi kuyakhula.
I-CryOgenic Superconducting
Izici ezihlukile ze-Superconductor, ukuze kusetshenziswe kabanzi ngezigaba ezahlukahlukene. I-Superconductor itholakala ngokusebenzisa i-nitrogen ewuketshezi esikhundleni se-helium ewuketshezi njenge-subriming superconducting, evula ukusetshenziswa kobuchwepheshe obukhulu obuhle futhi ibhekwa njengenye yezinto ezinhle kakhulu zesayensi ngekhulu lama-20.
Amakhono okukhokhisa ama-superconducting yi-ybco ebabazekayo yi-ybco ebabazekayo, lapho impahla ebabazekayo isepholile ekushiseni kwe-nitrogen ewuketshezi (78k, okulingana no -196 ~ c), kusuka ekushintsheni okujwayelekile ku-Superconducting State. Amandla kazibuthe akhiqizwe ama-push avikelwe amanje abhekene nethrekhi kazibuthe yethrekhi, futhi uma amandla amakhulu kunomsindo wesitimela, imoto ingamiswa. Ngasikhathi sinye, ingxenye yensimu kazibuthe ibhajwe ku-superconductor ngenxa yomphumela wokuphamba kwamandla kazibuthe ngesikhathi senqubo yokupholisa. Le nkambu kazibuthe ye-trip inheha ithrekhi kazibuthe yethrekhi, futhi ngenxa yokuxoshwa kanye nokuheha, imoto ihlala imiswe ngokuqinile ngenhla kwethrekhi. Ngokungafani nomphumela ojwayelekile wokuxoshwa ngokobulili nobungqingili phakathi kwama-magnets, ukuxhumana phakathi kwama-superconductor kanye nensikazi kazibuthe yangaphandle kuyadlula futhi ukuheha amandla ashukumisayo nokumiswa kwazo noma bambelela phansi phansi phansi.
Izakhi ze-elekthronikhi ezenziwayo zokukhiqiza nokuhlola
Ukuhlolwa kwengcindezi yezemvelo ukukhetha inani lezinto zemodeli yezemvelo, faka inani elifanele lokuxineka kwezemvelo ezingxenyeni noma emshinini wonke, futhi kubangele ukuthi inqubo yenziwe izakhi, okungukuthi, iziphambeko zenqubo yokukhiqiza nokufakwa, futhi Nikeza ukulungiswa noma ukushintshwa. Ukuhlolwa kwengcindezi okukhona kuyasiza ukwamukela umjikelezo wokushisa kanye nokudlidliza okungahleliwe. Ukuhlolwa komjikelezo wokushisa ukwamukela isilinganiso sokushintsha okushisa okuphezulu, ukucindezela okukhulu okushisayo, ukuze izingxenye zezinto ezahlukahlukene, ngenxa ye-asymmetry ehlanganisiwe, i-asymmetry eyabangelwa yizinkinga ezifihliwe, ukwamukela Izinga lokushisa lokushisa le-5 ℃ / min. Ukushisa okukhawulelwe kungu-40 ℃, + 60 ℃. Inani lemijikelezo yi-8.Such inhlanganisela yamapharamitha wezemvelo yenza izingxenye ze-welding ezibonakalayo zenza izingxenye ze-virtual, ezinqumayo, izingxenye zezici zazo zivezwe okusobala. Okokuhlolwa kwe-Mass Temperature Cycle, singabheka ukwamukelwa kwendlela eyenziwe yebhokisi. Kule ndawo, ukuhlolwa kufanele kubanjwe ezingeni.
I-Liquid Nitrogen iyindlela esheshayo futhi ewusizo ngokwengeziwe yokuvikela nokuhlola izakhi ze-elekthronikhi namabhodi wesifunda.
Amakhono ebhola webhola le-cryogenic
I-Cryogenic Planetary Ball Mill i-nitrogen igesi yokufaka ngokuqhubekayo ekujuleni kwebhola leplanethi efakwe ngesembozo sokugcina ukushisa, umoya obandayo uzoba ukushintshwa kwesivinini okuphezulu kokushisa kwethangi elikhiqizwa yi-tank yokugaya ye-real-time, ukuze ibhola ligaya Ithangi eliqukethe izinto zokwakha, ibhola lokugaya lihlala lisendaweni ethile ye-cryogenic. Ekuxubeni kwemvelo ye-Crygenic, ukugaya okuhle, ukuthuthukiswa komkhiqizo omusha kanye nokukhiqizwa okuncane kwe-batch kwezinto eziphakeme zezobuchwepheshe. Umkhiqizo muncane ngosayizi, ugcwele ukusebenza, okuphezulu ngokuhambisana, okuphansi ngomsindo, kusetshenziswe kabanzi kwezokwelapha, embonini yamakhemikhali, i-cerallurgy, i-cerallics, amaminerali nezinye izingxenye.
Amakhono okubuka amamaini
Ukusika kwe-Cryogenic ukusetshenziswa koketshezi lwe-cryogenic njenge-nitrogen ewuketshezi, i-carbon dioxide yomoya opholile kanye nesifutho somoya esipholile ohlelweni lokusika lwendawo ye-cryogenic noma i-Ultra-Chrogenic State, usebenzisa ubucwebe be-cryogenic be-Working Ngaphansi kwezimo ze-Crygenic, thuthukisa ukusika kwe-WorkPeace imishini, impilo yamathuluzi kanye nekhwalithi yendawo yokusebenza. Ngokwamagagasi wokupholisa okuphakathi nendawo, ukusikwa kwe-cryogenic kungahlukaniswa ngokusika komoya okupholile kanye nokusika okupholile kwe-nitrogen. Indlela yokusika yomoya epholile ngokufafaza -20 ℃ ~ -30 ℃ ℃ (noma ephansi) i-cryogenic airflow engxenyeni ye-cryogenic esebenza ngengxenye yamathuluzi, futhi ixutshwe nomlandeli wezitshalo (10 ~ 20m 1 ngehora), ukuze udlale Indima yokupholisa, ukususwa kwe-chip, ukuthambisa. Uma kuqhathaniswa nokusika kwendabuko, ukusikwa okupholile kwe-cryogenic kungathuthukisa ukucubungula ukuhambisana, ukuthuthukisa ikhwalithi yendawo yokusebenza, futhi cishe akukho ukungcoliswa kwemvelo. Isikhungo Sokusebenza senkampani ye-Japan Yasuda Imboni Imboni yemukela ukwakheka kwe-adiabatic air duct efakwe maphakathi ne-shaft yezimoto kanye nomsiki wemoto, futhi ngokuqondile kuholela ku-blade usebenzisa izimo ezipholile ze-cryogenic. futhi kuyasiza ekuqalisweni kobuchwepheshe bokusika komoya obandayo. UKaZuhiko Yokokawa wenza ucwaningo ngomoya opholile ukupholisa ngokuguqula nokugaya. Ekuhlolweni kokugaya, isisekelo samanzi ukusika uketshezi, umoya wokushisa ojwayelekile (+ 10 ℃) nomoya opholile (-30 ℃) wawusetshenziselwa ukuqhathanisa amandla. Imiphumela ikhombisile ukuthi ithuluzi lokuqina lalithuthukisiwe kakhulu lapho kusetshenziswa umoya opholile. Ekuhlolweni kokujika, ithuluzi lokugqoka lamathuluzi lomoya opholile (-20 ℃) liphansi kakhulu kunaleso somoya ojwayelekile (+ 20 ℃).
Ukusika okupholisa i-litrogen ukupholisa kunezicelo ezimbili ezibalulekile. Eyokuqala ukusebenzisa ingcindezi yebhodlela yokufafaza i-nitrogen ewuketshezi ngqo endaweni yokusika njengokusika uketshezi. Okunye ukupholisa ngokuqondile ithuluzi noma i-workpiepe ngokusebenzisa umjikelezo wokuhwamuka kwe-nitrogen ewuketshezi ngaphansi kokushisa. Manje ukusika kwe-cryogenic kubalulekile ekucutshungulweni kwe-aloy ye-titanium, insimbi ephezulu ye-manganese, insimbi eqinile nokunye okunzima ukucubungula izinto zokwakha. I-KPRAIJURKAR Amukelwe Ithuluzi le-H13A Carbide nethuluzi elisetshenzisiwe le-nitrogen umjikelezo wokupholisa ukwenza izivivinyo zokusika ze-cryogenic ku-titanium alloy. Imiphumela yokuhlolwa ikhombisile lokho uma kuqhathaniswa nezindlela zokusika zendabuko, ukugqoka kwamathuluzi kwaqedwa ngokusobala, izinga lokushisa lincishiswe ngo-30%, futhi ikhwalithi ye-workficing ceichcation yathuthukiswa kakhulu. UWan Guangmin wamukela indlela yokupholisa engaqondile yokwenza izivivinyo zokusika ze-cryogenic ngensimbi ephezulu ye-manganese, futhi imiphumela iphawula. Lapho wamukela indlela epholile ephelele yokucubungula insimbi ephezulu ye-manganesese eCrygenic, amandla ethu aqedwa, ukugqokwa kwamathuluzi kuncishisiwe, izimpawu eziqinisa umsebenzi ziyathuthukiswa, futhi ikhwalithi ephezulu yokwenziwayo iyathuthukiswa. Wang lianpeng et al. Yamukela indlela yokufafaza kwe-nitrogen ewuketshezi emishini yokushisa ephansi yamathuluzi aqediwe angama-45 kumathuluzi womshini we-CNC, futhi abeke amazwana emiphumeleni yokuhlola. Ikhwalithi yokuqina yamathuluzi kanye nekhwalithi yendawo yokusebenza ingathuthukiswa ngokwamukela indlela yokufafaza ewuketshezi emishini yokushisa ephansi yensimbi engu-45.
Esimweni sokupholisa i-nitrogen ukupholisa, ukwaziswa kwe-carbide ukuxhuma amandla okugoba, ukuqina kobunzima kanye nokuphikiswa kokugqwala, amandla, ubulukhuni banda ngamathuluzi okushisa we-carbide cutting okuphansi ngakho-ke kunesilinganiso sokupholisa ama-nitrogen Njengokushisa kwamakamelo, futhi ukusebenza kwawo kunqunywa ngenani lesigaba esibophayo. Ngensimbi esheshayo, ne-cryogenic, ubulukhuni buyanda futhi amandla okuthonya aphansi, kepha kukonke kungaxhumanise ukusebenza okungcono kokusika. Wena kwezinye izinto ekuphuculeni kwe-crycogenic kwemibuzo yokusika kwawo wabanjwa isifundo, ukukhethwa kwensimbi ephansi ye-carbon aisll010, i-aisie520 yensimbi yensimbi ye-ale-alloy a390, ukusetshenziswa Ocwaningweni kanye nokuhlola: Ngenxa yobunzima obuhle kakhulu eCrythenic, imiphumela oyifunayo ngemishini ingatholwa ngokusika kwe-cryogenic. Ngensimbi ephakeme yekhabhoni kanye nensimbi, ukukhuphuka kwezinga lokushisa endaweni yokusika kanye nokugqoka kwamathuluzi kungavinjelwa ngokupholisa kwe-nitrogen. Ekunciphiseni i-aluminium alloy, ukusetshenziswa kwe-Crynic Colling kungathuthukisa ubulukhuni bamathuluzi kanye nokumelana kwamathuluzi kwi-Silicon Phase yokugunda okugqoke ngokugqoka, ekusebenzeni kwe-titanium alloy, ngasikhathi sinye lokushisa, izinga lokushisa eliphansi eliphansi futhi liqede Ubumbano lwamakhemikhali phakathi kwe-titanium nethuluzi lezinto zethuluzi.
Ezinye izinhlelo zokusebenza ze-nitrogen ewuketshezi
I-satellite ye-jiuquan yathumela isiteshi esikhethekile samafutha esikhethekile ukukhiqiza i-nitrogen ekhethekile, i-collectant for rocket uphethiloli, odonswa egumbini lokuhlangana ngokucindezela okukhulu.
Ikhebula lamandla okushisa aphezulu kakhulu. Kusetshenziselwa ukukhulula ipayipi eliwuketshezi ekunakekelweni okuphuthumayo. Kusetshenziswe ekusizeni kwe-cry Amakhono wedivayisi we-Liquid Nitrogen epholisa (ukwanda okushisayo kanye nezimpawu zokuziqhenya ezibandayo kuhlelo lokusebenza lwemboni) nazo zisetshenziswa kabanzi. Amakhono we-Liquid Nitrogen Stieding Amakhono. Amakhono wokudonsa amanzi e-nitrogen we-real-time Drop Jet, ucwaninga njalo ekujuleni. I-Adopt nitrogen engaphansi komhlaba yokucima umlilo, umlilo ubhujiswa ngokushesha, futhi ususe ukulimala kokuqhuma kwegesi. Kungani ukhethe i-nitrogen ewuketshezi: ngoba ipholisa ngokushesha kunezinye izindlela, futhi ayisebenzi ngamakhemikhali nezinye izinto, i-throwsles spaces enomile (i-nitrogen enomile (i-nitrogen enomileyo ngokuqondile emkhathini ngemuva kokusebenzisa, ngaphandle kokushiya noma iyiphi Ukungcola), kulula futhi kulula ukuyisebenzisa.
Imishini ye-HL Cryogenic
Imishini ye-HL Cryogenicokwasungulwa ngonyaka we-1992 kuhlobene nomkhiqizoInkampani ye-Cr Cryogenic Equipment Company Crygenic Equipment Co, Ltd. Imishini ye-HL Crygenic izimisele ekwakhiweni nasekukhiqizweni kwesistimu ephezulu ye-CrCuum Ensuum Ensumed System kanye nemishini yokusekela ehlobene yokuhlangabezana nezidingo ezahlukahlukene zamakhasimende. I-Pipe ye-Vacuum Effenud ne-hose eguquguqukayo yakhiwa ngezinto ezikhethekile ezikhethekile nezingatha izicelo ezikhethekile ezikhethekile ezikhethekile, futhi idlula ngochungechunge lwezindlela zokwelapha eziqinile kakhulu zokwelapha kanye nokwelashwa okuphezulu kwe-vacuum, esetshenziselwa ukudlulisa umoya-mpilo owuketshezi, i-nitrogen ewuketshezi , i-argon ye-liquid, i-hydrogen ewuketshezi, i-helium ewuketshezi, i-ethefied ethylene gas umlenze kanye ne-liquefied yemvelo igesi ye-LNG.
Uchungechunge lomkhiqizo lokwehlukanisa isigaba, ipayipi le-vacuum, i-vacuum hose kanye ne-vacuum valve enhlanganweni yemishini yezobuchwepheshe eqinile, edluliselwe ekudluliseleni umoya-mpilo oqinile, i-nitrogen ewuketshezi, i-argon ewuketshezi Helium, umlenze kanye ne-LNG, futhi le mikhiqizo isetshenziselwa imishini ye-cryogenic (isib. I-Coldbox Tank, i-avarbox njll. I-automation Assembly, ubunjiniyela bamakhemikhali, i-iron nensimbi, irabha, ukukhiqiza izinto ezintsha kanye nocwaningo lwesayensi kanye nocwaningo lwesayensi njll.
Isikhathi sePosi: Nov-24-2021
