Lub Thawv N₂ Buffer: Khaws Nitrogen Zoo Rau Kev Siv Hauv Kev Lag Luam
Qhov zoo ntawm cov khoom
Cov thoob dej nitrogen yog ib qho tseem ceeb hauv txhua lub tshuab nitrogen. Lub thoob dej no yog lub luag haujlwm los tswj kom muaj lub zog nitrogen thiab ntws thoob plaws hauv lub tshuab, kom ntseeg tau tias nws ua haujlwm tau zoo tshaj plaws. Kev nkag siab txog cov yam ntxwv ntawm lub thoob dej nitrogen yog qhov tseem ceeb rau kev ua haujlwm tau zoo thiab ua tau zoo.
Ib qho ntawm cov yam ntxwv tseem ceeb ntawm lub tank nitrogen surge yog nws qhov loj. Lub tank loj yuav tsum txaus kom khaws cov nitrogen kom txaus rau qhov xav tau ntawm lub kaw lus. Qhov loj ntawm lub tank nyob ntawm cov yam xws li qhov nrawm ntawm cov dej ntws thiab lub sijhawm ua haujlwm. Lub tank nitrogen surge uas me dhau yuav ua rau rov ntim ntau zaus, ua rau lub sijhawm tsis ua haujlwm thiab txo qis kev tsim khoom. Ntawm qhov tod tes, lub tank loj dhau yuav tsis tsim nyog vim nws siv qhov chaw thiab cov peev txheej ntau dhau.
Lwm yam tseem ceeb ntawm lub tank nitrogen surge yog nws qhov ntsuas siab. Cov tank yuav tsum tau tsim los kom tiv taus qhov siab ntawm cov nitrogen uas tau khaws cia thiab faib tawm. Qhov ntsuas no ua kom lub tank muaj kev nyab xeeb thiab tiv thaiv kev xau lossis kev ua tsis tiav. Nws yog ib qho tseem ceeb kom sab laj nrog tus kws tshaj lij lossis cov chaw tsim khoom kom paub tseeb tias qhov ntsuas siab ntawm lub tank ua tau raws li cov kev cai tshwj xeeb ntawm koj lub tshuab nitrogen.
Cov ntaub ntawv siv los tsim lub tank nitrogen surge kuj yog ib qho tseem ceeb uas yuav tsum xav txog. Cov tank cia khoom yuav tsum tau ua los ntawm cov ntaub ntawv uas tiv taus xeb kom tiv thaiv cov tshuaj lom neeg lossis kev puas tsuaj los ntawm kev sib cuag nrog nitrogen. Cov ntaub ntawv xws li stainless hlau lossis carbon hlau nrog cov txheej txheem tsim nyog feem ntau siv vim lawv lub zog thiab tiv taus xeb. Cov ntaub ntawv xaiv yuav tsum sib xws nrog nitrogen kom ntseeg tau tias lub tank siv tau ntev thiab ua haujlwm tau zoo.
Tus qauv tsim ntawm lub tank N₂ buffer kuj tseem ua lub luag haujlwm tseem ceeb hauv nws cov yam ntxwv. Cov tank uas tsim zoo yuav tsum muaj cov yam ntxwv uas tso cai rau kev ua haujlwm thiab kev saib xyuas zoo. Piv txwv li, cov tank cia khoom yuav tsum muaj cov li qub, cov ntsuas siab thiab cov khoom siv kev nyab xeeb kom ntseeg tau tias yooj yim saib xyuas thiab tswj. Tsis tas li ntawd, xav txog seb lub tank puas yooj yim los tshuaj xyuas thiab saib xyuas, vim qhov no yuav cuam tshuam rau nws lub neej ntev thiab kev ntseeg tau.
Kev teeb tsa thiab kev saib xyuas kom zoo yog qhov tseem ceeb rau kev ua kom lub tank nitrogen surge zoo tshaj plaws. Cov tank yuav tsum tau teeb tsa kom raug raws li cov lus qhia ntawm cov chaw tsim khoom thiab cov qauv kev lag luam. Kev tshuaj xyuas thiab kev saib xyuas tsis tu ncua, xws li kev kuaj xyuas seb puas muaj qhov xau, xyuas kom lub valve ua haujlwm tau zoo thiab ntsuas qib siab, yuav tsum tau ua kom paub txog tej teeb meem lossis kev puas tsuaj uas yuav tshwm sim. Yuav tsum ua sai sai thiab ua kom raug los daws txhua yam teeb meem kom tiv thaiv kev cuam tshuam ntawm lub kaw lus thiab tswj lub tank kom zoo.
Qhov kev ua haujlwm ntawm lub tank nitrogen surge yog cuam tshuam los ntawm nws cov yam ntxwv sib txawv, uas feem ntau yog txiav txim siab los ntawm cov kev xav tau tshwj xeeb ntawm lub tshuab nitrogen. Kev nkag siab zoo txog cov yam ntxwv no ua rau muaj kev xaiv lub tank, kev teeb tsa, thiab kev saib xyuas kom zoo, ua rau lub tshuab nitrogen ua haujlwm tau zoo thiab txhim khu kev qha.
Hauv kev xaus lus, cov yam ntxwv ntawm lub tank nitrogen surge, suav nrog nws qhov loj me, qhov ntsuas siab, cov khoom siv, thiab kev tsim qauv, cuam tshuam rau nws txoj kev ua haujlwm hauv lub kaw lus nitrogen. Kev xav txog cov yam ntxwv no kom zoo ua kom lub tank muaj qhov loj me, muaj peev xwm tiv taus siab, ua los ntawm cov khoom siv tiv taus xeb, thiab muaj cov qauv tsim zoo. Kev teeb tsa thiab kev saib xyuas tsis tu ncua ntawm lub tank cia khoom kuj tseem ceeb heev rau kev ua kom nws ua haujlwm tau zoo thiab muaj txiaj ntsig zoo tshaj plaws. Los ntawm kev nkag siab thiab ua kom zoo dua cov yam ntxwv no, cov tank nitrogen surge tuaj yeem pab txhawb rau kev vam meej ntawm lub kaw lus nitrogen.
Cov Ntawv Thov Khoom
Kev siv cov tank nitrogen (N₂) surge yog qhov tseem ceeb hauv cov txheej txheem kev lag luam uas qhov kev tswj siab thiab kub yog qhov tseem ceeb. Tsim los tswj kev hloov pauv ntawm siab thiab xyuas kom muaj kev ntws roj ruaj khov, cov tank nitrogen surge ua lub luag haujlwm tseem ceeb hauv ntau yam kev siv hauv kev lag luam xws li tshuaj lom neeg, tshuaj, petrochemical thiab kev tsim khoom.
Lub luag haujlwm tseem ceeb ntawm lub tank nitrogen surge yog khaws cov nitrogen rau ntawm qib siab tshwj xeeb, feem ntau siab dua qhov siab ua haujlwm ntawm lub kaw lus. Cov nitrogen uas khaws cia tom qab ntawd siv los them rau qhov poob siab uas yuav tshwm sim vim muaj kev hloov pauv ntawm kev thov lossis kev hloov pauv ntawm kev muab roj. Los ntawm kev tswj kom muaj qhov siab ruaj khov, cov tank buffer pab txhawb kev ua haujlwm ntawm lub kaw lus, tiv thaiv kev cuam tshuam lossis qhov tsis zoo hauv kev tsim khoom.
Ib qho ntawm cov ntawv thov tseem ceeb tshaj plaws rau cov tank nitrogen surge yog nyob rau hauv kev tsim tshuaj lom neeg. Hauv kev lag luam no, kev tswj hwm qhov siab kom raug yog qhov tseem ceeb rau kev ua kom muaj kev nyab xeeb thiab ua haujlwm tau zoo ntawm cov tshuaj lom neeg. Cov tank surge uas koom ua ke rau hauv cov txheej txheem ua tshuaj lom neeg pab tswj qhov kev hloov pauv ntawm qhov siab, yog li txo qhov kev pheej hmoo ntawm kev sib tsoo thiab ua kom cov khoom tsim tawm tas li. Tsis tas li ntawd, cov tank surge muab cov nitrogen rau kev ua haujlwm npog, qhov twg kev tshem tawm cov pa oxygen yog qhov tseem ceeb kom tiv thaiv kev oxidation lossis lwm yam kev tsis xav tau.
Hauv kev lag luam tshuaj, cov thoob dej nitrogen surge tau siv dav los tswj cov xwm txheej ib puag ncig hauv chav huv thiab chaw kuaj mob. Cov thoob dej no muab cov khoom siv nitrogen rau ntau yam, suav nrog cov khoom siv ntxuav, tiv thaiv kev ua qias tuaj thiab tswj cov khoom kom zoo. Los ntawm kev tswj hwm qhov siab zoo, cov thoob dej nitrogen surge pab txhawb rau kev tswj hwm zoo thiab ua raws li cov cai ntawm kev lag luam, ua rau lawv yog ib qho khoom muaj nqis hauv kev tsim tshuaj.
Cov chaw tsim roj av muaj feem cuam tshuam nrog kev tuav cov tshuaj uas yoo yoo thiab yoo yoo yoo yoo. Yog li ntawd, kev nyab xeeb yog qhov tseem ceeb rau cov chaw zoo li no. Cov thoob roj nitrogen surge tanks siv ntawm no ua kev ceev faj tiv thaiv kev tawg lossis hluav taws. Los ntawm kev tswj kom muaj siab dua tas li, cov thoob roj surge tanks tiv thaiv cov khoom siv ua haujlwm ntawm kev puas tsuaj uas tshwm sim los ntawm kev hloov pauv sai sai ntawm lub zog ntawm lub kaw lus.
Ntxiv rau kev lag luam tshuaj lom neeg, tshuaj thiab petrochemical, cov tank nitrogen surge kuj siv dav hauv cov txheej txheem tsim khoom uas xav tau kev tswj siab kom meej, xws li kev tsim tsheb, kev ua zaub mov thiab dej haus, thiab kev siv dav hlau. Hauv cov lag luam no, cov tank nitrogen surge pab tswj kom muaj siab tas li hauv ntau yam tshuab pneumatic, kom ntseeg tau tias cov tshuab thiab cov cuab yeej tseem ceeb ua haujlwm tsis tu ncua.
Thaum xaiv lub tank nitrogen surge rau ib qho kev siv tshwj xeeb, yuav tsum xav txog ntau yam. Cov yam no suav nrog lub peev xwm ntawm lub tank, qhov siab thiab cov ntaub ntawv siv. Nws yog ib qho tseem ceeb uas yuav tsum xaiv lub tank uas tuaj yeem ua tau raws li qhov xav tau ntawm qhov ntws thiab siab ntawm lub system, thaum tseem xav txog cov yam xws li kev tiv thaiv xeb, kev sib raug zoo nrog ib puag ncig ua haujlwm, thiab kev ua raws li txoj cai.
Hauv kev xaus lus, cov thoob dej nitrogen surge yog ib qho tseem ceeb hauv ntau yam kev siv hauv kev lag luam, muab kev ruaj khov ntawm lub siab kom ntseeg tau tias muaj kev nyab xeeb thiab ua haujlwm tau zoo. Nws lub peev xwm los them rau qhov hloov pauv ntawm lub siab thiab muab cov dej nitrogen tas li ua rau nws yog ib qho khoom muaj nqis tseem ceeb hauv kev lag luam uas kev tswj hwm meej thiab kev ntseeg siab yog qhov tseem ceeb. Los ntawm kev nqis peev rau hauv lub thoob dej nitrogen surge zoo, cov tuam txhab tuaj yeem ua kom muaj kev ua haujlwm zoo dua, txo qhov kev pheej hmoo, thiab tswj kev tsim khoom, thaum kawg pab txhawb rau kev vam meej hauv kev lag luam sib tw niaj hnub no.
Hoobkas
Qhov Chaw Tawm Mus
Qhov chaw tsim khoom
| Cov qauv tsim thiab cov kev cai lij choj | ||||||||
| tus lej serial | qhov project | thawv | ||||||
| 1 | Cov qauv thiab cov lus qhia rau kev tsim qauv, kev tsim khoom, kev sim thiab kev tshuaj xyuas | 1. GB/T150.1~150.4-2011 "Cov Hlab Siab". 2. TSG 21-2016 "Cov Cai Tswj Xyuas Kev Nyab Xeeb rau Cov Hau Dej Siab uas Nyob Ruaj". 3. NB/T47015-2011 "Cov Cai Tswjfwm Kev Vuam rau Cov Hau Siab". | ||||||
| 2 | tsim siab MPa | 5.0 | ||||||
| 3 | kev ua haujlwm siab | MPa | 4.0 | |||||
| 4 | teem qhov kub thiab txias ℃ | 80 | ||||||
| 5 | Kub ua haujlwm ℃ | 20 | ||||||
| 6 | nruab nrab | Huab Cua/Tsis Muaj Tshuaj Lom/Pawg Thib Ob | ||||||
| 7 | Cov khoom siv tseem ceeb ntawm lub zog siab | Qib thiab tus qauv ntawm cov hlau phaj | Q345R GB/T713-2014 | |||||
| rov xyuas dua | / | |||||||
| 8 | Cov ntaub ntawv vuam | kev vuam submerged arc | H10Mn2+SJ101 | |||||
| Kev vuam hlau roj arc, argon tungsten arc vuam, electrode arc vuam | ER50-6, J507 | |||||||
| 9 | Cov coefficient ntawm kev sib koom ua ke ntawm vuam | 1.0 | ||||||
| 10 | Tsis muaj kev poob kev kuaj pom | Hom A, B txuas txuas | NB/T47013.2-2015 | 100% X-ray, Chav Kawm II, Kev Tshawb Fawb Txog Kev Siv Tshuab Chav Kawm AB | ||||
| NB/T47013.3-2015 | / | |||||||
| A, B, C, D, E hom welded pob qij txha | NB/T47013.4-2015 | 100% kev tshuaj xyuas cov khoom sib nqus, qib | ||||||
| 11 | Kev tso cai xeb mm | 1 | ||||||
| 12 | Xam qhov tuab mm | Lub tog raj kheej: 17.81 Lub taub hau: 17.69 | ||||||
| 13 | puv ntim m³ | 5 | ||||||
| 14 | Qhov ntsuas kev sau | / | ||||||
| 15 | kev kho cua sov | / | ||||||
| 16 | Cov pawg thawv | Chav Kawm II | ||||||
| 17 | Cov lej tsim qauv av qeeg thiab qib | theem 8 | ||||||
| 18 | Cov cai tsim qauv cua thiab qhov ceev cua | Cua siab 850Pa | ||||||
| 19 | kev sim siab | Kev sim hydrostatic (dej kub tsis qis dua 5 ° C) MPa | / | |||||
| kev ntsuas cua siab MPa | 5.5 (Nitrogen) | |||||||
| Kev ntsuam xyuas cua nruj | MPa | / | ||||||
| 20 | Cov khoom siv thiab cov cuab yeej siv rau kev nyab xeeb | lub ntsuas siab | Dial: 100mm Ntau yam: 0 ~ 10MPa | |||||
| lub qhov dej nyab xeeb | teem siab: MPa | 4.4 | ||||||
| txoj kab uas hla nominal | DN40 | |||||||
| 21 | kev ntxuav qhov chaw | JB/T6896-2007 | ||||||
| 22 | Lub neej ua haujlwm tsim qauv | 20 xyoo | ||||||
| 23 | Ntim thiab Xa Khoom | Raws li cov cai ntawm NB / T10558-2021 "Kev Txheej Txheem Siab thiab Kev Thauj Khoom Ntim" | ||||||
| "Ceeb Toom: 1. Cov khoom siv yuav tsum tau grounded zoo, thiab qhov grounding tsis kam yuav tsum yog ≤10Ω.2. Cov khoom siv no raug tshuaj xyuas tsis tu ncua raws li qhov yuav tsum tau ua ntawm TSG 21-2016 "Kev Nyab Xeeb Kev Tswj Xyuas Kev Cai rau Cov Vuas Siab Nyob Ruaj Khov". Thaum qhov corrosion ntawm cov khoom siv mus txog qhov nqi teev tseg hauv daim duab kos ua ntej lub sijhawm thaum siv cov khoom siv, nws yuav raug nres tam sim ntawd.3. Qhov kev taw qhia ntawm lub nozzle raug saib rau hauv qhov kev taw qhia ntawm A." | ||||||||
| Lub rooj nozzle | ||||||||
| lub cim | Qhov loj me me | Kev sib txuas loj txheem | Txuas hom nto | lub hom phiaj lossis lub npe | ||||
| A | DN80 | HG/T 20592-2009 WN80(B)-63 | RF | cua nkag | ||||
| B | / | M20 × 1.5 | Tus qauv npauj npaim | Lub ntsuas cua siab | ||||
| ( | DN80 | HG/T 20592-2009 WN80(B)-63 | RF | qhov cua tawm | ||||
| D | DN40 | / | vuam | Kev ruaj ntseg valve interface | ||||
| E | DN25 | / | vuam | Qhov Dej Phwj Tuaj | ||||
| F | DN40 | HG/T 20592-2009 WN40(B)-63 | RF | lub qhov ncauj ntsuas kub | ||||
| M | DN450 | HG/T 20615-2009 S0450-300 | RF | qhov dej ntws | ||||
