Xov xwm muaj
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Cov txheej txheem ntawm carbon steel welded yeeb nkab
Cov pa roj carbon steel welded kav feem ntau muab faib ua peb txheej txheem: hluav taws xob tiv thaiv vuam (ERW), muab kauv submerged arc vuam (SSAW) thiab ncaj seam submerged arc vuam (LSAW). Cov pa roj carbon steel welded kav uas tsim los ntawm peb cov txheej txheem no muaj lawv tus kheej qhov chaw nyob rau hauv daim ntawv thov f ...Nyeem ntxiv -
Qhov zoo thiab qhov tsis zoo ntawm thermal expansion carbon steel kav
Tam sim no, cov kav hlau steel tau siv dav thiab muaj ntau hom. Thermal expansion carbon steel yeeb nkab yog ib qho ntawm lawv. Nws muaj ntau yam zoo, tab sis ntawm chav kawm nws tsis yog tsis muaj qhov tsis zoo. Cov hauv qab no yog cov lus piav qhia ntxaws txog qhov zoo thiab qhov tsis zoo ntawm cov kav dej kub-expanded steel los ntawm ca ...Nyeem ntxiv -
Yuav ua li cas cov ntsiab lus yuav tsum tau them sai sai rau thaum siv ncaj qha faus rwb thaiv tsev kav
Cov yeeb nkab faus ncaj nraim yeej ib txwm siv los ua cov khoom siv tshwj xeeb thiab tau thov los ntawm ntau qhov chaw tsim kho, tab sis nws yog qhov tseeb vim nws qhov tshwj xeeb uas muaj ntau qhov chaw uas xav tau txhua tus neeg saib xyuas hauv kev siv. Nyob rau hauv tag nrho cov txheej txheem tso ntawm lub di ...Nyeem ntxiv -
Dab tsi yog kev ceev faj rau kev tsim cov kav dej polyurethane ncaj qha faus?
Nrog rau txoj kev loj hlob ntawm kev lag luam pipeline, cov ntaub ntawv tshiab tau maj mam teev nyob rau hauv kev ua lag luam. Raws li cov khoom lag luam muaj txiaj ntsig hauv kev lag luam thermal rwb thaiv tsev, polyurethane ncaj qha faus thermal rwb thaiv tsev yeeb nkab muaj cov yam ntxwv zoo thermal rwb thaiv tsev thiab kev ua haujlwm zoo. Nws yog ...Nyeem ntxiv -
Tej teeb meem thiab kev daws teeb meem nyob rau hauv kev tsim kho ntawm ncaj qha faus thermal rwb thaiv tsev kav
Cov yeeb nkab faus ncaj nraim yog foamed los ntawm tshuaj lom neeg cov tshuaj tiv thaiv ntawm high-function polyether polyol composite khoom thiab polymethyl polyphenyl polyisocyanate li raw cov ntaub ntawv. Ncaj nraim faus thermal rwb thaiv tsev kav yog siv rau thermal rwb thaiv tsev thiab txias rwb thaiv tsev tej yaam num ntawm ntau yam sab hauv tsev ...Nyeem ntxiv -
Cov lus qhia ntawm txoj kev 3PE tiv thaiv corrosion txheej
1.Txoj kev txhim kho ntawm cov txheej txheem txheej txheej ntawm 3PE tiv thaiv corrosion ① Nrhiav lossis tsim cov khoom siv cua sov zoo dua los hloov cov roj hluav taws xob. Cov cuab yeej siv cua sov yuav tsum muaj peev xwm xyuas kom meej tias thaj chaw tshuaj tsuag yog qhov loj txaus kom sov tag nrho cov txheej txheej kom tau tev tawm ntawm ib qho ...Nyeem ntxiv
