Nitrogen kua: Nitrogen roj hauv lub xeev ua kua. Inert, tsis muaj xim, tsis muaj ntxhiab, tsis muaj corrosive, tsis-flammable, tsis tshua muaj kub kub. Nitrogen tsim feem ntau ntawm cov huab cua (78.03% los ntawm ntim thiab 75.5% los ntawm qhov hnyav). Nitrogen yog inactive thiab tsis txhawb combustion. Frostbite tshwm sim los ntawm kev sib cuag endothermic ntau dhau thaum vaporization.
Cov kua nitrogen yog ib qho yooj yim txias qhov chaw. Vim nws cov khoom tshwj xeeb, kua nitrogen tau maj mam them nyiaj ntau thiab ntau dua thiab lees paub los ntawm tib neeg. Nws tau siv ntau dua thiab dav siv hauv tsiaj txhu, kev lag luam kho mob, kev lag luam zaub mov, thiab kev tshawb fawb cryogenic. Hauv electronics, metallurgy, aerospace, machinery manufacturing thiab lwm yam ntawm daim ntawv thov tau nthuav dav thiab tsim.
Kev siv cov kua nitrogen hauv cov zaub mov sai-khov
Cov kua nitrogen khov ua ib txoj hauv kev khov khov tau txais los ntawm cov khoom lag luam ua khoom noj, vim tias nws tuaj yeem paub qhov kub thiab txias txias super ceev khov, tab sis kuj kom paub txog ib feem ntawm cov iav hloov pauv ntawm cov khoom noj khov, ua kom cov zaub mov thawing tuaj yeem ua tau. rov qab mus rau nws lub xeev qub ntawm kev coj txawv txawv thiab cov khoom noj khoom haus qub, kev ua haujlwm hnyav heev ntawm cov khoom noj khov, Yog li ntawd, nws qhia tau hais tias qhov tseem ceeb hauv kev lag luam ceev ceev. Piv nrog rau lwm txoj kev khov, kua nitrogen sai khov muaj cov txiaj ntsig zoo hauv qab no:
(1) ceev khov tus nqi (txias tus nqi yog kwv yees li 30-40 lub sij hawm sai tshaj li ib txwm freezing txoj kev): kev txais cov kua nitrogen sai freezing, yuav ua rau cov zaub mov sai sai los ntawm 0 ℃ ~ 5 ℃ loj ice crystal loj hlob cheeb tsam, kev tshawb fawb zaub mov cov neeg ua haujlwm tau ua cov kev sim muaj txiaj ntsig hauv qhov kev hwm no.
(2) Kev sib txuas cov khoom noj khoom haus: vim lub sij hawm luv luv ntawm cov kua nitrogen, cov khoom noj khov los ntawm cov kua nitrogen tuaj yeem txuas nrog cov xim, aroma, saj thiab khoom noj khoom haus nqi ua ntej ua rau qhov siab tshaj plaws. Cov txiaj ntsig tau pom tias cov catechu kho nrog kua nitrogen muaj cov ntsiab lus chlorophyll ntau dua thiab ntxim nyiam zoo.
(3) me me qhuav ntawm cov ntaub ntawv: feem ntau khov qhuav noj poob tus nqi yog 3 ~ 6%, thiab cov kua nitrogen khov yuav raug tshem tawm mus rau 0.25 ~ 0.5%.
(4) Teeb tsa cov cuab yeej siv thiab kev siv hluav taws xob tsawg, yooj yim kom paub lub tshuab thiab cov kab sib txuas ua haujlwm, txhim kho cov khoom tsim tau.
Tam sim no, muaj peb txoj hauv kev ua kom khov sai ntawm cov kua nitrogen, uas yog cov tshuaj tsuag kom khov, poob khov thiab qhov chaw txias txias, ntawm cov tshuaj tsuag khov yog dav siv.
Kev siv cov kua nitrogen hauv kev ua dej haus
Tam sim no, ntau lub tuam txhab haus dej haus tau txais nitrogen los yog nitrogen thiab C02 mix-up es tsis txhob ntawm cov tsoos C02, tuav inflatable ntim dej haus. High-carbonated dej qab zib uas muaj nitrogen ua rau muaj teeb meem tsawg dua cov uas muaj cov pa roj carbon dioxide ib leeg. Nitrogen kuj tsim nyog rau cov kaus poom tseem haus xws li cawv txiv hmab thiab kua txiv hmab txiv ntoo. Qhov txiaj ntsig ntawm kev ntim cov dej haus tsis muaj dej nrog cov kua nitrogen yog tias qhov me me ntawm cov kua nitrogen txhaj tshem tawm cov pa tawm ntawm qhov chaw sab saum toj ntawm txhua lub peev xwm thiab ua rau cov roj inert nyob rau hauv qhov chaw sab saud ntawm lub tank cia, yog li txuas ntxiv lub neej cia ntawm cov uas raug puas tsuaj.
Kev siv cov kua nitrogen hauv kev khaws cia thiab khaws cia txiv hmab txiv ntoo thiab zaub
Cov kua nitrogen cia rau cov txiv hmab txiv ntoo thiab zaub muaj qhov zoo ntawm kev tswj huab cua, tuaj yeem kho cov khoom ua liaj ua teb los ntawm cov khoom hauv lub caij nyoog siab tshaj plaws thiab cov khoom siv rau lub caij so thiab kev thov tsis sib xws, tshem tawm qhov poob ntawm kev cia. Cov nyhuv ntawm cov cua txias yog los txhim kho cov concentration ntawm nitrogen, tswj qhov kev faib ua feem ntawm nitrogen, oxygen thiab C02 gas, thiab ua kom nws txuas nyob rau hauv ib tug ruaj khov lub xeev, tsis tshua muaj txiv hmab txiv ntoo thiab zaub ua pa siv, ncua sij hawm tom qab ripening, yog li ntawd. txiv hmab txiv ntoo thiab zaub txuas mus rau lub xeev coj txawv txawv ntawm kev xaiv thiab thawj cov nqi khoom noj khoom haus, txuas ntxiv cov freshness ntawm txiv hmab txiv ntoo thiab zaub.
Kev siv cov kua nitrogen hauv kev ua cov nqaij
Cov kua nitrogen tuaj yeem siv los txhim kho kom muaj nuj nqis ntawm cov khoom hauv cov txheej txheem ntawm skewering, chopping lossis sib tov ntawm cov nqaij. Piv txwv li, nyob rau hauv kev ua ntawm salami-hom hnyuv ntxwm, kev siv cov kua nitrogen tuaj yeem txhim kho cov dej tuav ntawm cov nqaij, tiv thaiv cov roj oxidation, txhim kho slicing thiab nto zoo. Siv nyob rau hauv cov txheej txheem ntawm reprocessed nqaij xws li nqaij cov khoom qab zib thiab khaws cia cov nqaij, nws yuav tsis tau tsuas yog ua kom lub yaj ntawm qe dawb thiab ntxiv dag zog rau cov dej tuav thaum nqaij yog tsis meej pem, tab sis kuj yog tshwj xeeb tshaj yog pab tau rau kev sib txuas cov cim zoo ntawm cov khoom. Lwm cov khoom siv nqaij los ntawm cov kua nitrogen sai txias, tsis tsuas yog nyob rau hauv ib tug ruaj khov kev sib txuas ntawm cov nqaij kub yam ntxwv, roj thiab xyuas kom meej cov nqaij noj qab haus huv thiab tranquility. Hauv kev siv tshuab, tsis tas yuav txhawj xeeb txog qhov cuam tshuam ntawm qhov kub thiab txias ntawm cov nqaij zoo, thiab kev ua haujlwm tsis cuam tshuam los ntawm cov khoom kub, lub sijhawm ua haujlwm, lub caij nyoog, tab sis kuj tuaj yeem ua rau cov txheej txheem ua haujlwm ntawm cov pa oxygen ib nrab siab, nyob rau hauv ib tug tej yam ntau yam mus cuag lub txee lub neej ntawm cov khoom.
Kev siv cov kua nitrogen hauv cov khoom noj sib txuas ntawm qhov kub thiab txias
Cryogenic kub crushing yog txheej txheem ntawm kev tawg rau hauv cov hmoov nyob rau hauv qhov kev txiav txim ntawm sab nraud quab yuam, uas yog txias rau qhov kub ntawm embrittlement point. Cryogenic kub crushing ntawm cov zaub mov yog ib qho kev ua zaub mov tshiab uas tau loj hlob nyob rau xyoo tas los no. Cov txuj ci no tsim nyog rau kev ua zaub mov nrog ntau cov khoom qab zib, cov ntsiab lus muaj roj, cov ntsiab lus qab zib siab thiab ntau yam gelatinous. Cryogenic kub crushing nrog kua nitrogen pov tseg rau txim, muaj peev xwm txawm cov khoom ntawm cov pob txha, tawv nqaij, nqaij, plhaub thiab lwm yam ib zaug tag nrho crushing, kom cov khoom tiav me me thiab txuas nrog nws cov khoom noj muaj txiaj ntsig. Yog tias Nyiv yuav khov los ntawm cov kua nitrogen seaweed, chitin, zaub, txuj lom, thiab lwm yam rau hauv kev sib tsoo, tuaj yeem ua kom tiav cov khoom zoo particle loj li 100μm hauv qab no, thiab qhov tseem ceeb txuas mus rau tus nqi khoom noj khoom haus qub. Tsis tas li ntawd, cryogenic kub crushing nrog kua nitrogen kuj tuaj yeem tsoo cov ntaub ntawv uas nyuaj rau crush ntawm chav tsev kub, cov ntaub ntawv uas muaj cua sov rhiab thiab yooj yim deteriorate thaum rhuab thiab yooj yim rau kev txheeb xyuas. Tsis tas li ntawd, cov kua nitrogen tuaj yeem siv los zom cov nqaij rog, cov zaub ntub thiab lwm yam khoom noj uas nyuaj rau crushed ntawm chav tsev kub, thiab tuaj yeem siv los ua cov khoom noj tshiab.
Kev siv cov kua nitrogen hauv cov khoom ntim khoom noj
Lub tuam txhab London tau tsim txoj hauv kev yooj yim thiab siv tau los ua kom cov zaub mov tshiab los ntawm kev ntxiv ob peb tee kua nitrogen rau hauv ntim. Thaum cov kua nitrogen evaporates rau hauv cov pa roj, nws cov ntim tau nthuav dav sai, hloov cov roj qub feem ntau hauv lub hnab ntim khoom, tshem tawm cov khoom noj uas lwj los ntawm oxidation, yog li txuas ntxiv cov khoom noj tshiab.
Kev siv cov kua nitrogen hauv cov tub yees thauj khoom noj
Kev thauj mus los hauv tub yees yog ib feem tseem ceeb ntawm kev lag luam zaub mov. Tsim kom muaj kua nitrogen tub yees kev txawj ntse, loj hlob kua nitrogen tub yees tsheb ciav hlau, tsheb tub yees thiab cov thawv tub yees yog qhov kev loj hlob zoo tam sim no. Daim ntawv thov ntawm cov kua nitrogen tub yees system nyob rau hauv cov teb chaws tsim tau ntau xyoo qhia tau hais tias kua nitrogen tub yees system yog ib tug refrigerated preservation txuj ci uas muaj peev xwm sib tw nrog lub tshuab tub yees system nyob rau hauv kev lag luam thiab kuj yog kev loj hlob ntawm cov zaub mov refrigerated tsheb thauj mus los.
Lwm yam kev siv cov kua nitrogen hauv kev lag luam khoom noj
Ua tsaug rau lub tub yees ua kua nitrogen, kua qe, kua condiments, thiab soy sauce tuaj yeem ua tiav rau hauv freemoving thiab poured granular frozen zaub mov uas yog npaj tau thiab yooj yim. Thaum sib tsoo cov txuj lom thiab dej-absorbing zaub mov additives, xws li qab zib hloov thiab lecithin, kua nitrogen yog txhaj rau hauv lub grinder kom npog tus nqi thiab ua rau kom cov sib tsoo tawm los. Cov txiaj ntsig tau pom tias cov paj ntoos phab ntsa tawg los ntawm cov kua nitrogen quenching ua ke nrog kev kub siab thawing muaj cov yam ntxwv ntawm cov txiv hmab txiv ntoo zoo, siab phab ntsa tawg tus nqi, ceev tus nqi, ruaj khov physiological kev ua ntawm paj ntoos thiab tsis muaj kuab paug.
HL Cryogenic khoom
HL Cryogenic khoomuas tau tsim nyob rau hauv 1992 yog ib hom lag luam koom nrogHL Cryogenic Equipment Company Cryogenic Equipment Co., Ltd. HL Cryogenic Equipment tau cog lus rau kev tsim thiab tsim khoom ntawm High Vacuum Insulated Cryogenic Piping System thiab cov cuab yeej txhawb nqa kom tau raws li ntau yam kev xav tau ntawm cov neeg siv khoom. Lub Nqus Tsev Insulated Yeeb Nkab thiab Flexible Hose yog tsim nyob rau hauv lub tshuab nqus tsev siab thiab ntau txheej txheej multi-screen tshwj xeeb insulated cov ntaub ntawv, thiab dhau los ntawm cov txheej txheem nruj heev thiab kev kho lub tshuab nqus tsev siab, uas yog siv rau kev hloov cov kua oxygen, kua nitrogen. , kua argon, kua hydrogen, kua helium, liquefied ethylene gas LEG thiab liquefied natural gas LNG.
Cov khoom lag luam ntawm Nqus Jacketed Pipe, Nqus Jacketed Hose, Nqus Jacketed Valve, thiab Phase Separator hauv HL Cryogenic Equipment Company, uas dhau los ntawm cov kev kho mob nruj heev, yog siv rau kev hloov cov kua oxygen, kua nitrogen, kua argon, kua hydrogen, kua helium, LEG thiab LNG, thiab cov khoom siv no yog muab kev pabcuam rau cov khoom siv cryogenic (xws li cryogenic tanks, dewars thiab coldboxes thiab lwm yam) hauv kev lag luam ntawm huab cua sib cais, gases, aviation, electronics, superconductor, chips, automation los ua ke, khoom noj khoom haus & dej haus, chaw muag tshuaj, tsev kho mob, biobank, roj hmab, khoom siv tshiab tsim tshuaj engineering, hlau & hlau, thiab kev tshawb fawb tshawb fawb thiab lwm yam.
Post lub sij hawm: Nov-16-2021
