Daim Ntawv Thov Cov Khoom Noj Ua Si Hauv Txawv Teb (3) Electronic Thiab Raug Field

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Ua kua nitrogen: nitrogen roj hauv lub xeev ua kua. Inert, tsis muaj xim, tsw ntxhiab, tsis yog-corrosive, tsis-flamming, tsis tshua muaj neeg cryogenic kub. Cov ntaub ntawv nitrogen feem ntau ntawm cov cua (78.03% los ntawm ntim thiab 75.5% los ntawm qhov hnyav). Nitrogen tsis muaj zog thiab tsis txhawb kev sib txuas. Frostbite tshwm sim los ntawm ntau dhau endothermic tiv tauj thaum vaporization.

Ua kua nitrogen yog qhov chaw txias yooj yim. Vim nws cov khoom muaj txiaj ntsig, ua kua nitrogen tau yooj yim tau them ntau dua thiab ntau dua kev saib xyuas thiab paub los ntawm cov neeg. Nws tau muaj ntau dua thiab ntau dua dav siv hauv tsiaj tus txiv, kev lag luam kev kho mob, kev lag luam khoom noj, kev lag luam kev lag luam, thiab cryogenic tshawb fawb teb. Hauv cov khoom siv hluav taws xob, metallurgy, aerospace, machinery manufacturing thiab lwm yam ntawm daim ntawv thov tau nthuav dav thiab txhim kho.

Cryogenic superconducting

Superconductor tshwj xeeb cov yam ntxwv, kom nws zoo li yuav siv dav hauv ntau pawg. Superconductor tau txais los ntawm kev siv cov kua nitrogen es tsis txhob siv cov kua roj loj ntawm cov tub yees superconducts hauv kev nthuav dav thiab yog ib qho ntawm kev tshawb fawb txuj ci zoo hauv 20th caug xyoo.

Superconduct Kev ntsuas hlau nplaum sib nqus yog cov khoom siv ceramics Lub sib nqus daim phiaj tsim los ntawm cov ntaub thaiv tam sim no thawb tawm ntawm cov ciav hlau sib nqus, thiab yog hais tias lub zog loj dua li qhov hnyav ntawm lub tsheb ciav hlau, lub tsheb tuaj yeem raug ncua. Nyob rau tib lub sijhawm, ib feem ntawm kev sib nqus daim teb tau daig hauv SuperConductor vim tias cov sib nqus flux pinning nyhuv thaum lub sijhawm txias. Daim teb sib nqus no tau nyiam rau txoj kev sib nqus daim teb, thiab vim tias ob qho tib si repulsion thiab kev nyiam, lub tsheb nyob ruaj khov rau saum toj. Nyob rau hauv sib piv rau cov nyhuv dav dav ntawm tib-sib deev repulsion thiab rov sib luag ntawm cov hlau nplaum thiab nyiam sib xyaw thiab muab kaw cia lossis dai kom zoo ib sab.

Hluav Taws Xob Hluav Taws Xob thiab Kuaj

Kev ntxhov siab ib puag ncig yog los xaiv cov naj npawb ntawm cov qauv kev ntxhov siab ib puag ncig, thiab ua rau cov txheej txheem kev tsim tawm ntawm cov khoom sib xyaw thiab kev teeb tsa lossis hloov kho. Kev ntsuas kev ntxhov siab ntawm ambient muaj txiaj ntsig zoo los txais kev hloov kho kub thiab kev co. Kev ntsuas kub mus ncig yog kom txais cov nqi ntsuas kub siab, cov khoom siv ntawm cov txheej txheem sib txawv, vim tias cov khoom siv tsis zoo, lees txais tus nqi hloov pauv ntawm 5 ℃ / min. Qhov txwv kub yog -40 ℃, + 60 ℃. Tus naj npawb ntawm cov voj voog yog 8.such kev sib xyaw ntawm cov ib puag ncig ua rau vuam vuam virtual, cov chaw ntawm lawv tus kheej tsis xws luag pom ntau. Rau huab kub kub kev sim, peb tuaj yeem xav txog qhov kev lees txais ntawm ob lub thawv. Hauv qhov chaw ib puag ncig no, tshuaj ntsuam yuav tsum muaj nyob ntawm qib.

Ua kua nitrogen yog sai dua thiab ntxiv pab txoj kev tiv thaiv thiab sim cov hluav taws xob Cheebtsam thiab hluav taws xob.

Cryogenic pob milling kev txawj

Cryogenic planetary pob zeb yog cov kua nitrogen txuas ntxiv rau hauv cov pa hluav taws xob, yog li ntawd pob sib tsoo yog ib txwm nyob hauv ib puag ncig cryogenic. Hauv ib puag ncig cryogenic sib xyaw, kev sib tsoo kom zoo, cov khoom lag luam zoo, cov khoom lag luam me me thiab cov khoom siv High Tech. Cov khoom lag luam me me, tag nrho cov nyhuv, siab ua kev tiv thaiv, kev lag luam hauv tsev, metallurgy, ceramics, zaub mov thiab lwm qhov chaw.

Ntsuab Machining Txawj

Cryogenic txiav yog kev siv cov kua roj cryogenic xws li ua kua ntawm cryogenic lub xeev, txhim kho cov chaw ua haujlwm, txhim kho lub neej ua haujlwm thiab cov cuab yeej ua haujlwm zoo nkauj thiab workpiece nto zoo. Raws li qhov sib txawv ntawm qhov nruab nrab txias, cryogenic txiav tuaj yeem faib ua cua txias thiab ua kua nitrogen txias txiav. Cryogenic txias cua txiav txoj kev yog los ntawm txau -20 ℃ (10 teev) Piv nrog tsoos ib txwm txiav, cryogenic txias txiav tuaj yeem txhim kho kev ua kev ua raws, txhim kho workriece nto zoo, thiab yuav luag tsis muaj kuab paug rau ib puag ncig. Lub chaw ua haujlwm ntawm Nyiv Hasuda Kev Lag Luam Tuam Txhab lees cov hniav Kazuhiko Yokokawa tau tshawb fawb txog cua txias txias hauv kev tig thiab milling. Nyob rau hauv kev kuaj cov milling, cov dej ua cov dej txiav kua, cua sov (+ 10 ℃) thiab cua txias (-30 ℃) tau siv los sib piv cov zog. Cov txiaj ntsig tau pom tias cov cuab yeej siv tsis tau zoo dua thaum cov huab cua txias tau siv. Nyob rau hauv txoj kev tig, lub cuab tam coj tus nqi cua txias (-20 ℃) ​​yog qhov qis dua li ntawm huab cua ib txwm (+ 20 ℃).

Ua kua nitrogen txias txiav muaj ob daim ntawv thov tseem ceeb. Ib qho yog siv lub raj mis siab kom muaj cov kua dej nitrogen ncaj qha rau hauv qhov chaw txiav zoo li cov kua txiav. Lwm tus yog kom ncaj qha txias lub cuab yeej lossis ua haujlwm los ntawm kev siv evaporation voj voog ntawm cov pa nitrogen nyob rau hauv tshav kub. Tam sim no cryogenic txiav yog ib qho tseem ceeb hauv kev ua cov titanium alloy, siab manganese steel, hardened hlau, hardened hlau thiab lwm yam nyuaj rau cov ntaub ntawv. KPrajurkar saws los H13A carbide tuam thiab siv ua kua nitrogen voj voog kom ua cov cuab yeej cryogenic txiav ntawm titanium alloy. Cov txiaj ntsig kev sim ua tau pom tias piv rau cov txheej txheem ib txwm muaj, kev txiav txim siab pom tseeb los ntawm 30%, thiab workpiece nto machining zoo tau zoo dua qub. Wan Guangmin saws txoj kev ua ncaj qha los ua kom cov kev sim ua cov kev sim siab ntawm cov hlau siab, thiab cov txiaj ntsig tau tawm tswv yim. Thaum txais yuav cov txheej txheem ua tsis ncaj rau cov txheej txheem siab messanese steel ntawm cryogenic, lub cuab yeej ua haujlwm nyuaj, thiab qhov chaw ua haujlwm kuj tau txhim kho. Wang Lianpeng li al. saws tus qauv ntawm cov kua nitrogen txau hauv cov khoom siv tsis tshua muaj kub ntawm cov hlau quenched 45 ntawm cnc tshuab cov cuab yeej, thiab tawm tswv yim ntawm cov ntawv xeem. Lub cuab yeej siv tau durabab thiab workpiece nto muaj peev xwm txhim kho los ntawm kev siv cov kua nitrogen txau txoj kev hauv cov hlau tsis muaj ntsuas ntawm cov stainless 45.

Hauv cov kua nitrogen txias ua lub xeev, cov khoom siv carbide sib txuas, zoo li cov khoom siv kub thiab yog li cov khoom siv ua kom zoo nkauj, thiab yog qhov kev ua tau zoo ntawm cov khoom siv kub, thiab nws cov kev ua tau zoo yog txiav txim siab los ntawm tus naj npawb ntawm cov theem khi. Rau kev kub ceev steel, nrog lub cryogenic, lub zog ua kom muaj zog thiab qhov cuam tshuam muaj zog yog tsawg, tab sis tag nrho cov tuaj yeem txuas cov kev ua tau zoo dua. Nws nyob rau qee cov ntaub ntawv hauv kev txhim kho cryogenic ntawm nws cov kev txiav cov kev kawm, kev ntsuas cov roj carbon monoyes, vim yog cov tshuaj ntsuam xyuas ntawm Cryogenic, cov txiaj ntsig xav tau los ntawm cryogenic txiav. Rau cov pa roj carbon thiab cov kabmob hlau, ntsuas kub hauv kev txiav thaj chaw thiab cov cuab yeej hnav tuaj yeem khi tau los ntawm cov kua nitrogen txias. Hauv kev txiav casting Aluminium alloy, daim ntawv thov ntawm cryogenic cua txias tuaj yeem txhim kho cov cuab yeej hardantic thiab kev ua haujlwm tsis txaus ntseeg thiab tshem tawm cov tshuaj lom neeg muaj kuab lom nyob nruab nrab ntawm titanium thiab cov cuab yeej siv.

Lwm yam kev siv ntawm cov kua nitrogen

Lub Jiuquatan satellite xa lub chaw nres tsheb roj tshwj xeeb los tsim cov pa roj tshwj xeeb los tsim cov roj ua kua, uas tau thawb mus rau hauv cov khoom sib txuas ntawm kev kub siab.

Kev kub siab superconducting fais fab cable. Nws yog siv los khov cov raj xa dej hauv kev tu ncua ceev. Ua ntawv thov rau cryogenic stirilization thiab cryogenic quenching. Ua kua nitrogen txias ntaus ntawv (thermal expansion thiab collection consaction cov cim hauv kev ua ntawv thov kev lag luam) tseem dav siv. Ua kua nitrogen huab seeding kev txawj ntse. Ua kua nitrogen tawm kev txawj ua kua ntawm lub sij hawm ua kua ua kua dej dav hlau, yog kev tshawb fawb tas li. Txais Nitrogen Under Underutrishing, Hluav Taws yog mus tua sai, thiab tshem tawm cov kev puas tsuaj ntawm cov roj tawg. Vim li cas thiaj xaiv cov kua nitrogen: vim tias nws txias nrawm dua lwm cov qauv, thiab muab cov pa roj hmab ua kom zoo nkauj, nws yog yam tsis muaj kuab paug, nws yog qhov muaj kuab paug, nws yooj yim thiab yooj yim siv.

Hl cryogenic khoom

Hl cryogenic khoomuas tau tsim nyob rau xyoo 1992 yog ib qho kev koom nrog homHl cryogenic cov khoom siv tuam txhab cryogenic khoom Co., LtdCov. Ua cov khoom siv cryogenic tau cog lus rau cov qauv siv thiab tsim cov tshuab hluav taws xob siab cryogenic piping system thiab cuam tshuam cov khoom siv txhawb nqa kom tau raws li cov neeg siv khoom ntau. Lub tshuab nqus tsev insulated yeeb nkab thiab hloov cov khoom siv siab, ua kua ntawm cov pa roj carbon monoxide, thiab cov kua dej siab ua kua, ua kua rau ainylene roj thiab liquefied xwm roj lng.

Cov khoom lag luam ntawm qib separator, nqus dej, cov khoom siv ua kua thiab cov kua roj cryogenic, thiab cov khoom siv ua kua thiab lwm yam) hauv kev lag luam ntawm huab cua separation, gases, aviation, electronics, superconductor, chips, pharmacy, biobank, food & beverage, automation assembly, chemical engineering, iron & steel, rubber, new material manufacturing and scientific research etc.


Lub Sijhawm Post: Nov-24-2021

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