Hauv kev tsim cov khoom siv xws li cov khoom siv hluav taws xob, "nthuav ua ntej, ces weld"thiab"weld ua ntej, ces nthuav" yog ob qhov sib txawv ua ntu zus, nrog qhov sib txawv hauv qab no:
I. Txheej Txheem thiab Txheej Txheem
Nthuav Ua Ntej, Ces Weld
Ua ntej,cev expansionyog ua. Tube expansion siv acev expanderua rau cov yas deformation ntawm cov hlab ntsha thaum inducing elastic deformation ntawm lub raj ntawv lub qhov phab ntsa, nruj nreem txuas cov hlab thiab cov ntawv raj. Tom qab kev nthuav dav, muaj qhov zoo sib xws ntawm cov raj thiab cov ntawv raj. Vuam yog tom qab ntawd ua tiav los txhim kho qhov kev sib txuas ntawm lub zog ntawm cov raj thiab cov ntawv raj, thaum sealing tej yam muaj peev xwm micro- qhov khoob uas yuav muaj tom qab nthuav dav.
Weld Ua ntej, Tom qab ntawd nthuav
Ua ntej, cov hlab thiab cov ntawv raj yog welded los ua ib qho kev sib txuas ruaj khov. Vuam ua tiav kev sib txuas feem ntau los ntawm cov hlau fusion, muab lub zog siab. Tube expansion yog tom qab ntawd ua tiav, txhawm rau tshem tawm cov kev ntxhov siab uas yuav tshwm sim thaum lub sijhawm vuam, ntxiv rau kev txhim kho qhov nruj ntawm cov hlab thiab cov ntawv raj kom qhov kev sib txuas ruaj ntseg.
II. Kev sib txuas zoo
Kev nruj
Nthuav Ua Ntej, Ces Weld: Cov txheej txheem nthuav dav tuaj yeem ua ntej- ua tiav qhov khoob ntawm cov raj thiab cov ntawv raj, txo qhov muaj feem cuam tshuam xws li porosity thaum vuam thiab pab txhim kho kom nruj. Txawm li cas los xij, yog tias cov impurities xws li cov roj stains ntawm qhov chaw tsis tau ntxuav kom huv si tom qab nthuav dav, nws yuav cuam tshuam rau vuam zoo thiab yog li nruj.
Weld Ua ntej, Tom qab ntawd nthuav: Kev nthuav dav tom qab vuam tuaj yeem hloov kho qhov sib txuas welded rau qee qhov, ua kom haum ntawm cov raj thiab cov ntawv raj nruj dua, tshem tawm cov micro- tawg thiab lwm yam tsis xws luag uas yuav tshwm sim hauv tshav kub - cuam tshuam cheeb tsam (HAZ) ntawm vuam, thiab ua kom nruj. Txawm li cas los xij, yog tias qhov vuam zoo tsis zoo nrog cov vuam tsis zoo, kev nthuav dav yuav tsis them nyiaj rau qhov cuam tshuam ntawm qhov tsis xws luag ntawm nruj.
Kev sib txuas muaj zog
Nthuav Ua Ntej, Ces Weld: Kev nthuav dav tuaj yeem tsim muaj qee qhov kev quab yuam ua ntej ntawm cov hlab thiab cov ntawv raj, uas tuaj yeem ua kom zoo dua qhov txheeb ze ntawm cov hlab thiab cov ntawv raj thaum lub sij hawm vuam, ua rau cov vuam kev nyuaj siab faib ntau dua thiab pab txhim kho kev sib txuas lub zog. Ntxiv mus, qhov chaw haum tom qab nthuav dav muab lub hauv paus zoo rau vuam, tso cai rau lub vuam pas dej ua kom zoo dua, txhim kho qhov zoo ntawm vuam, thiab yog li txhim kho tag nrho cov kev sib txuas lub zog.
Weld Ua ntej, Tom qab ntawd nthuav: Vuam nws tus kheej muab kev sib txuas siab zog, ruaj khov txuas cov hlab thiab cov ntawv raj. Kev nthuav dav ua tom qab vuam feem ntau yog kev txhawb nqa ntxiv rau kev sib txuas welded, ntxiv kev txhim kho kev sib txuas. Txawm li cas los xij, kev nthuav dav tsis raug tuaj yeem ua rau lub welded sib koom ua ke -piv txwv li, tshaj - nthuav dav yuav ua rau weld tawg thiab txo qhov kev sib txuas.
III. Kev Nyuaj Siab
Nthuav Ua Ntej, Ces Weld
Cov txheej txheem nthuav dav ua rau qee qhov kev ntxhov siab seem. Thaum lub sij hawm vuam, thermal input yuav tsim thermal stress tshiab nyob rau hauv lub cheeb tsam twb nthuav. Ob hom kev ntxhov siab sib tshooj no; yog tias tsis tswj tau zoo, nws yuav ua rau muaj kev ntxhov siab tseem ceeb, uas cuam tshuam rau lub sijhawm ntev - kev ua haujlwm ntawm cov cuab yeej siv (xws li ua rau qaug zog tawg).
Weld Ua ntej, Tom qab ntawd nthuav
Thermal stress generated by welding is mainly concentrated in the weld and its heat-tshem tawm tsam (HAZ). Cov txheej txheem nthuav dav tuaj yeem tso tawm thiab rov faib cov vuam kev ntxhov siab rau qee qhov, ua rau kev ntxhov siab ntawm kev sib txuas ntawm cov hlab thiab cov ntawv raj ntau dua, uas yuav pab txo qis kev ntxhov siab thiab txhim kho kev qaug zog ntawm cov khoom siv.
IV. Daim Ntawv Thov Scope
Nthuav Ua Ntej, Ces Weld
Haum rau cov xwm txheej uas yuav tsum tau muaj kev nruj nruj heev thiab qhov chaw vuam kev ua tau zoo ntawm cov raj thiab cov ntaub ntawv cov ntaub ntawv zoo. Piv txwv li, qee qhov me me - qhov siab siab - cov khoom siv hluav taws xob muaj tseeb - raws li kev nthuav dav kom ntseeg tau tias haum zoo, vuam txuas ntxiv ua kom nruj thiab kev sib txuas lub zog.
Weld Ua ntej, Tom qab ntawd nthuav
Haum rau cov cuab yeej siv rau kev kub siab thiab kev vibrational loads. Kev sib txuas yooj yim lub zog yog lav los ntawm kev vuam ua ntej, thiab kev nthuav dav yog siv los ua kom zoo dua kev ntxhov siab thiab txhim kho kev nruj. Piv txwv li, cov cuab yeej siv hluav taws xob sib pauv hauv loj - cov nroj tsuag tshuaj tuaj yeem ua kom ntseeg tau tias kev ua haujlwm ruaj khov nyob rau hauv kev ua haujlwm nyuaj.
Ntxiv rau lub plhaub-thiab- raj kub exchanger, GNEE tseem muaj ntau dua- cov khoom zoo, xws li cov khoom siv hluav taws xob ntim hluav taws xob, cov khoom siv hluav taws xob tooj liab, titanium heat exchangers, heaters, chlorine coolers, high-pressure reactors, LPG storage tanks, cryogenic storage tanks, VPSA, etc. pub dawb xa email rau global@gneesteels.com, thiab peb pab neeg tshaj lij yuav zoo siab los teb koj cov lus nug.