LSAW EN10217-3 Carbon Steel Yeeb Nkab Rau Cov Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob DN950

DN950 sawv cev rau ib qho loj loj -cov lus qhia tshwj xeeb rau cov tshuab hluav taws xob hauv cov khib nyiab- rau- cov chaw tsim hluav taws xob, xav tau cov ntoo khaub lig ruaj khov- ntu, qis ovality, thiab cov phab ntsa zoo nkauj. Huayang siv LSAW txoj kev tsim, siv phaj ua ntej- dabtsi yog khoov, UOE txoj kev, thiab ob -sided submerged arc vuam los xyuas kom meej cov txheej txheem rigidity txawm nyob rau hauv siab - kub ib puag ncig nrog acidic gases. Incineration ducts feem ntau xav tau ntev -ntev layouts thiab ntau-section taub qab vuam. Qhov loj DN950 ua kom yooj yim rau kev teeb tsa ncaj qha, txo qis eccentricity thiab springback kom tau raws li qhov ntev -lub sijhawm ua haujlwm tsis tu ncua.

EN10217-3 yog tus qauv rau welded steel kav rau kev siv siab, qhia meej meej ntsuas rau kev cuam tshuam toughness, compressive zog, thiab kub tsis kam. Huayang xaiv zoo -cov hlau nplaum rau qhov kev qhia tshwj xeeb no, ua haujlwm dual-wire submerged arc vuam hauv thaj tsam weld. Qhov no ua kom cov khoom siv hlau zoo sib xws nrog cov khoom siv hauv paus, yoog rau cov pa roj kub hloov pauv ntau dua 200℃hauv cov tshuab hluav taws xob. Tshaj li niaj hnub kuaj hydrostatic, tag nrho -ntev ultrasonic weld soj ntsuam thiab xaus- qhov rov ua pov thawj yog ua kom lav qhov qaug zog tawg ua haujlwm nyob rau hauv qhov tsis zoo siab thiab lub zog pulsating thoob plaws hauv tag nrho cov kav dej.

DN950 cov kav dej feem ntau muaj cov phab ntsa tuab ntawm 10-18mm, siv rau cov kav dej loj, qhov chaw huv huv inlets, lossis cov kav xa dej ua ntej desulfurization thiab denitrification theem. Peb ua flaring thiab rounding ntawm cov yeeb nkab kawg kom pab tau ib qho - lub sij hawm sib dhos thaum lub sij hawm fais fab kev teeb tsa ntawm flanges los yog tuab - phaj nkhaus kav. Sab hauv thiab sab nrauv tuaj yeem tau txais cov primer, tiv thaiv-corrosion puag coats, los yog kev kho roughness sib xws nrog flue rwb thaiv tsev qauv raws li kev ua haujlwm. Rau cov nroj tsuag uas xav tau cov chaw kuaj xyuas, qhov ntsuas qhov kub thiab txias, lossis cov ntaub qhwv cov ntaub qhwv, peb ua ntej - txiav thiab ntxiv cov no ntawm lub Hoobkas kom txo tau ntawm - qhov chaw ua haujlwm kub thiab ua kom lub voj voog txhim kho.

Cov pa hluav taws xob hauv khib nyiab-rau- lub zog hluav taws xob cov chaw tsim hluav taws xob muaj cov xov xwm nyuaj, suav nrog cov pa roj carbon monoxide thiab plua plav, xav kom muaj kev ruaj khov siab - lub xeev corrosion kuj thiab ntev - lub sij hawm ruaj khov los ntawm cov kav dej. Thaum DN950 LSAW kav yog siv rau lub ntsiab flues, lawv muab cov ntoo khaub lig txaus -sectional zog thiab siab margin, txo deformation los ntawm thermal expansion thiab contraction thaum lub sij hawm ua hauj lwm. Huayang muab cov ntaub ntawv nthuav dav ntawm kev xa khoom, suav nrog cov ntaub ntawv pov thawj, cov ntaub ntawv vuam, UT / RT cov ntawv ceeb toom, thiab cov ntawv txheeb xyuas qhov ntev, kom ntseeg tau tag nrho cov ntaub ntawv pov thawj thoob plaws hauv cov txheej txheem. Rau cov kav dej loj - txoj kab nruab nrab xa mus thoob plaws cheeb tsam, peb siv ntau- taw tes bundling thiab xaus- chaw nres nkoj tiv thaiv nplhaib thaum thauj, ua kom muaj kev sib dhos tam sim thaum tuaj txog.

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