Yuav Ua Li Cas Xaiv Krypton Gas Ultra High Purity (UHP) Regulator

Kev tswj cov pa roj tshwj xeeb xws li krypton (Kr) xav tau kev ua tib zoo, kev nyab xeeb, thiab kev cog lus tsis hloov pauv los khaws cia cov pa roj kom zoo. Krypton, ib qho pa roj zoo uas muaj cov ntawv thov tseem ceeb hauv kev teeb pom kev zoo, kev rwb thaiv tsev, kev siv tshuab laser, thiab kev tshawb fawb, feem ntau xav tau ntawm cov qib purity siab heev. Tus tswj hwm ua haujlwm ua qhov chaw tswj hwm tseem ceeb ntawm lub tog raj kheej siab thiab cov txheej txheem downstream rhiab heev. Kev xaiv tus tswj hwm tsis tsim nyog tuaj yeem ua rau muaj kev ua qias tuaj, ua rau muaj kev hloov pauv siab, lossis txawm tias tsim kev phom sij rau kev nyab xeeb. Tsab xov xwm kev tshaj lij no muab cov qauv dav dav rau kev xaiv a krypton gas Ultra High Purity regulator, tsom mus rau cov ntaub ntawv siv rau kev tsim kho, cov yam ntxwv tsim qauv, cov lus qhia txog kev ua tau zoo, thiab cov txheej txheem kev nyab xeeb.

1. Lub Luag Haujlwm Tseem Ceeb ntawm Tus Neeg Tswj Xyuas hauv Kr Daim Ntawv Thov

Tus nqi ntawm Krypton nyob rau hauv nws cov khoom tshwj xeeb: qhov ceev ceev, qhov thermal conductivity tsawg, thiab nws lub luag haujlwm hauv kev tsim cov kab spectral tshwj xeeb. Hauv cov ntawv thov xws li:

• High-Performance Teeb pom kev zoo: Kev sau cov teeb halogen, fluorescent, thiab cov teeb ci siab rau kev ua haujlwm zoo dua thiab kev ua xim zoo dua.
• Qhov rai rwb thaiv tsev: Siv rau hauv ob- lossis peb-paned qhov rais rau kev rwb thaiv tsev thermal zoo dua.
• Lasers: Kr yog ib qho tseem ceeb hauv cov excimer lasers (piv txwv li, KrF lasers rau semiconductor lithography).
• Kev Tshawb Fawb Txog Kev Tshawb Fawb: Ua tus qauv calibration lossis hauv kev sim physics particle.

Txhua yam tsis huv—xws li dej noo (H₂O), oxygen (O₂), hydrocarbons (THC), lossis particulates—tuaj yeem ua rau kev ua haujlwm tsis zoo, ua rau cov tshuaj lom, ua rau lub tshuab nqus tsev tsis huv, lossis ua rau cov txiaj ntsig ntawm kev sim tsis zoo. Tus tswj hwm yog thawj kab tiv thaiv. Nws yuav tsum tsis yog tsuas yog txo qhov siab kom ntseeg tau xwb tab sis kuj ua haujlwm ua ib qho kev thaiv tiv thaiv kev ua qias tuaj ntawm huab cua thiab, qhov tseem ceeb, los ntawm nws tus kheej.

2. Cov Qauv Xaiv Tseem Ceeb: Cov Khoom Siv Khoom Siv

Cov khoom siv sab hauv uas ntub dej ntawm lub regulator yog qhov tseem ceeb heev. Lawv yuav tsum inert, tsis porous, thiab tiv taus outgassing.

• Lub cev thiab diaphragm:
  • Hlau tsis xeb 316L (VIM/VAR): Qhov no yog tus qauv kub. 316L muaj kev tiv thaiv xeb zoo heev. Tus "L" qhia txog cov pa roj carbon tsawg, tiv thaiv cov carbide precipitation thiab xeb ntawm cov pob qij txha welded. Vacuum Induction Melting (VIM) ua raws li Vacuum Arc Remelting (VAR) ntxuav cov hlau, txo cov khoom tsis huv thiab txhim kho kev sib xws. Tsis txhob siv cov khoom siv tooj dag lossis txhuas rau UHP krypton.
• Cov Khoom Siv Sealing thiab Rooj Zaum:
  • Elastomers: Tus qauv Buna-N lossis Viton® tsis raug lees txais rau krypton roj ultra siab purity (UHP regulator) kev pabcuam. Lawv muaj qhov ntxeem tau thiab tuaj yeem tso cov pa dej thiab cov hydrocarbons tawm.
  • Cov Hlau Diaphragms: Lub regulator uas zoo li lub piston lossis lub diaphragm regulator uas ua los ntawm hlau tag nrho yog qhov zoo tshaj plaws. Nws siv lub diaphragm corrugated uas ua los ntawm stainless-steel lossis Hastelloy® los cais cov pa roj ntawm lub chamber caij nplooj ntoos hlav, tshem tawm cov elastomer permeation tag nrho.
  • Cov Ntiv Tes Thib Ob: Yog tias siv cov elastomers (piv txwv li, rau cov foob pob hluav taws), lawv yuav tsum yog UHP-qib, xws li Kalrez® Perfluoroelastomer lossis Teflon® (PTFE/PFA), uas muaj cov pa tawm thiab cov pa nkag qis heev.
• Xaus Ntoo:
  • Electropolishing: Cov nto sab hauv yuav tsum tau electropolished kom du (feem ntau < 15 Ra µin). Qhov no txo ​​qhov chaw ntawm qhov chaw, txo cov chaw adsorption / desorption rau cov pa phem, thiab txhim kho kev ntxuav.
• Valve Rooj: Ib qho kev tsim qauv qia tsis tig nrog lub rooj zaum Kel-F (PCTFE) lossis Ultem® yog qhov zoo dua rau kev tswj hwm zoo thiab tsawg kawg nkaus kev tsim cov khib nyiab piv rau cov rooj zaum hlau-rau-hlau.

3. Tus Qauv Tsim thiab Hom Kev Tswj Xyuas

• Ib theem vs. Ob theem:
  • Ob-theem Regulators: Muab kev ruaj khov siab zoo tshaj plaws ("kev tswj qis"). Theem ib txo qhov siab ntawm lub tog raj kheej mus rau qhov chaw nruab nrab, thiab theem ob xa qhov kawg, qhov siab tawm qhov tseeb. Qhov kev tsim no txo ​​qhov cuam tshuam ntawm qhov siab ntawm lub tog raj kheej poob rau qhov siab tawm qhov. Rau cov ntawv thov tseem ceeb, rhiab heev nrog krypton, pom zoo kom siv ob theem UHP regulator.
  • Ib-theem Regulators: Pheej yig dua tab sis muaj qhov poob qis dua. Tej zaum yuav tsim nyog rau cov ntawv thov uas tsis tshua muaj teeb meem uas tuaj yeem saib xyuas thiab kho qhov siab.
• Diaphragm piv rau Piston:
  • Raws li tau hais lawm, cov qauv diaphragm uas yog hlau tag nrho zoo dua rau UHP. Cov qauv piston tuaj yeem ua rau muaj kev sib txhuam thiab xav tau kev siv roj nplua nyeem, uas yog qhov chaw ua rau muaj kuab paug.
• Kev Sib Txuas Nkag thiab Qhov Tawm:
  • Nkag: Yuav tsum phim lub qhov hluav taws xob ntawm lub tog raj kheej krypton (piv txwv li, CGA 580 rau cov pa roj uas tsis kub hnyiab hauv Tebchaws Meskas). Xyuas kom tseeb tias hom xov yog (piv txwv li, poj niam) thiab cov khoom siv (316SS).
  • Tshaj tawm: Tus qauv feem ntau yog ¼” lossis ⅜” VCR® lossis VCO® hlau gasket lub ntsej muag foob fittings. Cov no muab lub zero-clearance, helium-leak-tight seal zoo dua li NPT threads, uas tuaj yeem tsim cov khoom me me thiab yooj yim to. Swagelok® hom raj fittings kuj yog ib qho uas siv ntau tab sis xav tau cov ferrules kom zoo.

4. Key Performance Specifications

• Inlet Pressure Rating: Yuav tsum siab tshaj qhov siab ntawm lub tog raj kheej krypton. Feem ntau, cov tog raj kheej krypton puv nkaus yog li ntawm ~2200 psi (150 bar). Xaiv lub tshuab tswj uas ntsuas tau tsawg kawg yog 3000 psi.
• Qhov hluav taws xob siab Range: Xaiv ib qho ntau yam uas haum rau koj cov txheej txheem. Rau cov ntawv thov uas tsis muaj zog (piv txwv li, qee qhov kev teeb tsa kev tshawb fawb), qhov ntau yam 0-50 psi muab kev daws teeb meem zoo dua li tus tswj hwm 0-500 psi.
• Flow Capacity (Cv): Tus tswj yuav tsum xa cov dej ntws uas xav tau yam tsis muaj kev poob siab ntau dhau lossis khov. Tshawb xyuas tus nqi Cv thiab cov kab ntws ntawm lub chaw tsim khoom. Kev loj me me ua rau kev ua haujlwm tsis zoo; kev loj dhau tuaj yeem ua rau kev tswj hwm zoo nyuaj.
• Leak Integrity:
  • Tus Nqi Xaus Sab Nraud: Yuav tsum zoo dua 1 x 10⁻⁹ atm cc/sec He (kuaj ib qho helium mass spectrometry).
  • Tus Nqi Xaus Sab Hauv (Nce): Ntsuas qhov xau ntawm sab siab mus rau sab qis thaum lub rooj zaum kaw. Tseem ceeb rau kev nyab xeeb; yuav tsum tsis txhob saib tsis taus ntawm lub tshuab tswj UHP uas tau saib xyuas zoo.
• Kev Huv Si thiab Daim Ntawv Pov Thawj:
  • Cov khoom tswj hwm yuav tsum tau ntxuav thiab ntim rau hauv chav huv uas tau ntawv pov thawj (Chav Kawm 100 lossis zoo dua).
  • Lawv yuav tsum tau ua cov txheej txheem ntxuav tshwj xeeb: ASTM G93 kev ntxuav cov kuab tshuaj, ua raws li kev ci kom sov (feem ntau > 100 ° C hauv qab lub tshuab nqus tsev) kom tshem tawm cov khoom tawg.
  • Thov cov ntaub ntawv pov thawj: Daim Ntawv Pov Thawj Ua Raws Cai rau cov ntaub ntawv thiab Cov Ntawv Qhia Txog Kev Huv Si (piv txwv li, suav cov khoom me me raws li MIL-STD-1246 lossis sib npaug, thiab cov dej noo / hydrocarbon ntsuas los ntawm Residual Gas Analysis - RGA).

5. Kev Tswj Xyuas thiab Kev Txhim Kho Kom Muaj Kev Nyab Xeeb

Ib qho kev tswj hwm zoo meej tuaj yeem raug kuab paug los ntawm kev tswj tsis zoo.

• Kev tshem tawm: Ua ntej txuas rau lub kaw lus UHP, lub tshuab tswj nws tus kheej yuav tsum tau ntxuav tawm. Siv txoj kev "Tshem tawm thiab ntxuav tawm" yog tias ua tau: tshem tawm lub tshuab tswj (qhov nkag thiab qhov tawm) nrog lub twj tso kua mis huv, tom qab ntawd rov qab nrog cov roj qhuav, inert (piv txwv li, argon lossis nitrogen ntawm qhov huv sib npaug). Rov ua dua ntau zaus. Tsis txhob siv cov txheej txheem krypton rau kev ntxuav ntau dhau - nws kim heev.
• Kev Txuas Lus:
  • Siv cov cuab yeej UHP huv si thiab tshwj xeeb.
  • Rau cov khoom siv VCR, siv cov gaskets hlau tshiab (nickel lossis stainless hlau) rau txhua qhov kev sib txuas. Tsis txhob siv cov gaskets rov qab siv dua.
  • Siv lub wrench torque los zawm cov khoom sib txuas kom nruj raws li qhov chaw tsim khoom teev tseg kom tsis txhob muaj kev puas tsuaj thiab xyuas kom meej tias lub foob zoo.
• Start-Up txheej txheem:

• 1. Xyuas kom tseeb tias lub qhov hluav taws xob ntawm lub regulator raug kaw.
  2. Maj mam qhib lub qhov cua ntawm lub tog raj kheej kom nias lub qhov nkag ntawm lub tshuab tswj. Mloog seb puas muaj qhov xau.
  3. Kho lub pob qhov rooj tswj hwm counter-clockwise mus rau nws qhov chaw tsawg kawg nkaus (zero spring load).
  4. Maj mam kho lub pob qhov rooj mus rau qhov siab uas xav tau.
  5. Maj mam qhib lub qhov hluav taws xob kom pub lub cev.

• Cov Txheej Txheem Kaw:

• 1. Kaw lub tog raj kheej valve.
  2. Tso cov pa roj tawm ntawm lub tshuab tswj thiab lub kaw lus nqes mus los ntawm txoj kab tso pa uas tau pom zoo.
  3. Tso lub zog ntawm lub caij nplooj ntoos hlav los ntawm kev tig lub pob qhov rooj tswj hwm tag nrho counter-clockwise.

6. Kev Xav Ntxiv

• Cov Khoom Siv Rhaub: Yog tias xav tau cov dej ntws ceev heev, qhov cua txias adiabatic (Joule-Thomson effect) tuaj yeem ua rau muaj dej khov, thaiv cov qhov orifices. Lub tshuab tswj cua sov uas muaj cov khoom cua sov sib xyaw ua ke tswj qhov kub thiab txias tas li, tiv thaiv kom tsis txhob khov.
• Siab Gauges: Qhia meej cov ntsuas UHP uas siv cov hlau tsis xeb, tsis muaj glycerin. Cov kua glycerin uas sau rau hauv tuaj yeem ua rau muaj kuab paug yog tias lub diaphragm tawg. Cov ntsuas siab digital yuav muab qhov tseeb dua thiab cov interfaces huv dua.
• Qhov cua: Yog tias lub tshuab tswj muaj qhov cua, xyuas kom tseeb tias nws tau xa mus rau lub tshuab tso pa tawm. Rau kev pabcuam UHP, qhov cua kaw (tsis qhib rau huab cua) nrog lub lim dej me me yog qhov zoo tshaj plaws los tiv thaiv kev sib kis rov qab ntawm cov pa phem.
• Supplier Qualification: Cov chaw tswj hwm los ntawm cov chaw tsim khoom siv roj tshwj xeeb uas muaj npe nrov thiab muaj kev paub txog thev naus laus zis UHP. Lawv yuav tsum muab kev taug qab tag nrho thiab kev txhawb nqa kev txawj ntse.

7. xaus

Xaiv ib krypton roj UHP tswj tsis yog tsuas yog xaiv tus lej ib feem xwb. Nws yog ib qho kev tawm dag zog txo kev pheej hmoo. Ua raws li cov txheej txheem kev txiav txim siab no:

1. Txhais qhov xav tau: Txheeb xyuas qib kev huv huv uas xav tau (piv txwv li, 5.0 vs. 6.0 qib krypton), siab, thiab ntws rau koj daim ntawv thov tshwj xeeb.
2. Tshem Tawm Cov Khoom Phem Ntawm Qhov Chaw: Qhia meej tias yog 316L VIM/VAR stainless hlau, electropolished sab hauv, thiab tsim diaphragm hlau tag nrho.
3. Xyuas kom ruaj khov thiab tswj tau: Xaiv lub tshuab tswj ob theem nrog lub qia tsis tig rau qhov kev xa khoom siab kom raug thiab ruaj khov.
4. Xyuas kom meej tias kev ua tau zoo thiab kev huv si: Xav tau cov nqi xau uas tau ntawv pov thawj thiab cov qib kev huv uas tau sau tseg (RGA, suav cov khoom me me).
5. Siv Kev Tswj Xyuas Kom Muaj Kev Nyab Xeeb: Ua raws li cov txheej txheem nruj rau kev ntxuav, kev sib txuas, thiab kev ua haujlwm kom khaws cia qhov kev ncaj ncees uas cov khoom siv tau tsim.

Kev nqis peev rau hauv Ultra High Purity regulator kom raug yog kev nqis peev rau kev ntseeg siab ntawm cov txheej txheem, qhov zoo ntawm cov khoom, thiab kev nyab xeeb. Los ntawm kev soj ntsuam cov ntaub ntawv, kev tsim qauv, thiab cov txheej txheem, cov engineers thiab cov kws tshawb fawb tuaj yeem ua kom ntseeg tau tias cov roj krypton muaj nqis thiab feem ntau kim heev muab nws lub peev xwm tag nrho yam tsis muaj kev cuam tshuam. Tus regulator, txawm tias yog ib feem me me, dhau los ua tus saib xyuas qhov huv si ntawm qhov chaw siv.

Yog xav paub ntxiv txog kev xaiv lub krypton gas ultra high purity (UHP) regulator, koj tuaj yeem mus saib Jewellok ntawm https://www.jewellok.com/ yog xav paub ntau info.