Nyob rau hauv qhov kev kub-kub thiab siab-siab chav dej ntawm thermal fais fab nroj tsuag, tusJ61y-320 High-Siab Taub Qab-Vuamnres nres valveTau dhau los ua ib qho tseem ceeb ua kom muaj kev nyab xeeb ntawm 540 ℃ chav dej nrog nws cov thev naus laus zis thev naus laus zis tshiab thiab cov khoom siv. Kab lus no yuav tob tob rau cov tshuab anti-tochanism ntawm lub valve kev ua haujlwm ntawm kev ua haujlwm tshaj plaws los ntawm plaub qhov ntev: qauv vuam, thiab kev tsim qauv.

I. SIAB SELF-ZAWM SUCTINGS

J61Y-320 High-SiabTaub qab-Vuam Nres ValveAdopts nruab nrab-kab noj hniav siab tus kheej-zawm sealting tsim, thiab nws txoj kev sib khi ua tau zoo nrog qhov nruab nrab siab. Thaum lub cev siab nce mus txog 32Mpa, cov kev sib npaug ntawm lub cev ntawm lub cev valve thiab them nyiaj pab tau zoo rau kev hloov pauv hloov los ntawm kev nthuav dav. Lub rooj zaum hauv lub rooj thiab lub valve disc seft nto yog welded nrog stellalted carbide, lub hardness mus txog HRC45-50% nyob rau hauv 7000% ℃ tej yam kev mob.

Sealing qauv tsim:

1. Ob chav khob pob zeb thiab lub rooj zaum valve yog sib piv nrog 35% piv nrog lub tiaj tiaj, thiab cov kev sib tw sib piv tau nce mus rau 220N / MM2

2. Nyiaj them nyiaj ywj pheej: ib qho inconel 718 alloy lub caij nplooj ntoos hlav tau teev nyob rau hauv qab ntawm lub rooj zaum hauv nroog kom them nyiaj rau lub thermal deformation ntawm 0.3mm

3. Cov txheej txheem nrab fab: Saj zawg Graphite + 316L stainless hlau cov kab hlau braided yog teeb tsa ob chav sealing kws muaj txuj ci tiv thaiv kab

Ii. Cov Khoom Kub Kub Xes Zog Tiv Thaiv System

Lub cev lub cev ntawm qhov chaw nres tsheb Valve J61y-320 yog ua los ntawm chromium-molybdenum-vanadium steel-vanadium steel (uas yog tempered thiab nitrided. Qhov tob ntawm cov nitrived txheej yog 0.3mm, kev sib txhuam coefficient raug txo kom 0.12, thiab anti-lub neej yog nce los ntawm 5 zaug. Cov khoom siv tseem ceeb yog raws li hauv qab no:

Khoom Siv Tshuab:

- lub tshuab nqus dej: lub valve qia yog quenched nyob rau hauv lub nqus ib puag ncig ntawm 1050 ℃, nrog lub hardness ntawm HRC 35-40

- Plasma Txau: Kev sib khi saum npoo yog kho nrog lub siab tshaj plaws velocity nplaim taws (HVOF) cov txheej txheem, nrog lub ntsej muag ntawm ≤0,5%

- Kev nyuaj siab rau kev kho cua sov (PWHT) khaws cia thaum 650 ℃ rau 2h kom tshem tawm 95% ntawm vuam kev ntxhov siab

III. Vuam txheej txheem thiab kev sib txuas tshuab

Lub nres Valve J61y-320 adopts asme b16.25 qauv pob tw vuam txuas, zawv siab, zoo nkauj, xyuas kom zoo weld kev nkag ≥8mm. TSEEM tswj cov ntsiab lus ntawm kev kho vuam muaj xws li kev kho kom preheating: preheating rau 200-250 ℃ ua ntej vuam kev pheej hmoo tuaj yeem txo qhov kev pheej hmoo ntawm hydrogen-inducts cracking. Tus interlayer kub yog tswj tau nyob rau hauv 300 ℃, thiab E9018-B3 Vuam Qws yog siv rau ntau txheej thiab ntau dua vuam. Tom qab vuam, 100% luam tawm radioprotic

Vuam Sib Tw Ua Haujlwm:

- Tensile Lub Zog: ≥620MPA

- Kev Cuam Tshuam Lub Zog (-29 ℃): ≥54j

- Dabtsi yog khoov xeem: 180 ° tsis muaj kab nrib pleb

Los ntawm plaub-txoj kev tsim kho tshiab ntawm cov ntaub ntawv-qauv-ua haujlwm thiab kev ua haujlwm hauv nruab nrab xyoo pua <520 Nws cov txuj ci muaj qhov tseem ceeb siv qhov tseem ceeb rau kev tsim cov kev ntsuas kub thiab cov kev kub siab.

Thaum nrhiav kev zoo siab, txhim khu kev qha ntiaj teb li qub, yoyik yog qhov xaiv tsis tsim nyog xaiv. Lub tuam txhab tshwj xeeb hauv kev muab ntau yam khoom siv fais fab nrog rau cov khoom siv hluav taws xob nrog rau cov khoom lag luam dav rau nws cov khoom lag luam zoo thiab cov kev pabcuam dav. Yog xav paub ntaub ntawv ntau ntxiv lossis nug cov lus nug, thov hu rau cov neeg siv khoom hauv qab no:

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