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 wokuphindisela ebulivishini nobungqingili obuhlukile phakathi kwama-magnets, ukusebenzisana phakathi kwama-superconductor nama-superconductor ashukumisela futhi amise phansi amandla awo athuke noma ambethe phansi phansi phansi.
Izakhi ze-elekthronikhi ezenziwayo zokukhiqiza nokuhlola
Ukuhlolwa kwengcindezi yezemvelo ukukhetha inani lezinto zemodeli yezemvelo, faka inani elifanele lokucindezelwa kwezemvelo ezingxenyeni noma emshinini wonke, futhi kubangele ukuthi inqubo yenziwe izakhi, okungukuthi, iziphambeko zenqubo, nokufaka esikhundleni. Ukuhlolwa kwengcindezi okukhona kuyasiza ukwamukela umjikelezo wokushisa kanye nokudlidliza okungahleliwe. Ukuhlolwa komjikelezo wokushisa ukwamukela isilinganiso sokushintsha okushisa okuphezulu, ukucindezelwa okukhulu okushisayo, ukuze izingxenye zezinto ezihlukile, ngenxa yokwahlulela okuhlangene, ukwehluleka kokulimala okubangelwa 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 ku-Planetary Ball Rill ephenya ngokushisa kwekhava yokugaya okukhiqizwayo, ukuze ibhola elibandayo lizoba yijubane eliphakeme lokushisa, ukuze ibhola lokugaya lizoba nemvelo equkethe izinto ezithile, i-grafing ball ihlala isendaweni 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 ohlelweni lokusika lomsebenzi we-cryogenic noma izimo ze-cryogenic, zithuthukisa ukunciphisa umsebenzi, impilo yamathuluzi kanye nekhwalithi ephezulu yobuso. 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 yethiphu yamathuluzi, futhi ixutshwe ne-Trace Plant yehora), ukuze idlale 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 yezemukeli ye-AdiaBatic Air Duct efakwe maphakathi nomoya we-motor ne-cutter shaft, futhi ngokuqondile kuholela ekusetshenzisweni kwezimo zokusika futhi zinenzuzo ekusetshenzisweni kobuchwepheshe bokusika umoya 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.
Ku-Liquid Nitrogen Ukupholisa Umbuso Wesimo, I-Carbide Izinto ukuxhuma amandla okugoba, ukuqina kokuqina kanye nokuphikiswa kokugqwala, amandla okushisa we-carbide cutting okuphansi ngakho-ke ku-Carbide Cutting Tool ku-Carting Cooling Cool kungenzeka uxhumanise ukusebenza okuhle kakhulu, futhi ukusebenza kwawo kunqunywa ngenombolo yesigaba sokubopha. 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-alumium yensimbi aisloy a390, ukwenziwa kwe-alumium aloy ti-60 etholakala ngokusika kwe-cryogenic. Ngensimbi ephakeme yekhabhoni kanye nensimbi, ukukhuphuka kwezinga lokushisa endaweni yokusika kanye nokugqoka kwamathuluzi kungavinjelwa ngokupholisa kwe-nitrogen. Esikhathini sokusika i-aluminium alloy, ukusetshenziswa kwe-Crynication ukuphola kungathuthukisa ubulukhuni bamathuluzi kanye nokumelana kwamathuluzi kwi-Silicon Phase efreni egqokile yokugqoka, ekusebenzeni kwe-allcogenic coolling, ngasikhathi sinye, kuwukushisa okusebenzayo, ukuqeda ubumbano lwamakhemikhali phakathi kwe-titanium nethuluzi lezinto ezisebenzayo.
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 khetha i-Nitrogen ewuketshezi: ngoba ipholisa ngokushesha kunezinye izindlela, futhi ayisebenzi ngamakhemikhali nezinye izinto, inemvelo ihlinzeka ngokuningiliswe emkhathini ngemuva kokusetshenziswa, ngaphandle kokuyisebenzisa.
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-Vacuum Insured Pipe ne-hose eguquguqukayo yakhiwa ngezinto zokwenziwa ezikhethekile eziphakeme nezinto eziningi ezikhethekile zokwelapha ezikhethekile, futhi zidlula ngochungechunge lwezindlela zokwelapha eziqinile kakhulu zokwelapha kanye nokwelashwa okuphezulu kwe-vacuum, esetshenziselwa i-hydrogen ye-ethylene, i-helium, i-helium ye-ethylene ges lng.
Uchungechunge lomkhiqizo lokwehlukanisa isigaba, ipayipi le-vacuum, i-vacuum hose kanye ne-vacuum valve enhlanganweni yemishini yezokwelapha eqinile, esetshenziselwa ukudlulisa i-oxygen yezobuchwepheshe eqinile, futhi le mikhiqizo, i-argemium yethangi le-cryogen, i-dewar kanye ne-Coldbox njll.) In izimboni zokuhlukaniswa komoya, amagesi, i-Aviation, i-elekthronikhi, i-superconductor, ama-chip, amakhemisi, i-automation, ukudla, i-automation nensimbi, irovu, ukukhiqiza izinto ezintsha kanye nocwaningo lwesayensi njll.
Isikhathi sePosi: Nov-24-2021
