Raws li cov lus hais mus, "peb ntu xim, xya ntu txheej", thiab qhov tseem ceeb tshaj plaws hauv txheej txheej yog qhov zoo ntawm kev kho saum npoo ntawm cov khoom, ib qho kev tshawb fawb qhia tau hais tias qhov cuam tshuam ntawm cov txheej txheem txheej txheej hauv qhov zoo ntawm cov khoom. Kev kho deg ntawm cov khoom suav nrog qhov piv ntawm 40-50% ntawm qhov ntau.Lub luag haujlwm ntawm kev kho deg hauv txheej tuaj yeem xav txog.
Descaling qib: hais txog kev huv ntawm kev kho saum npoo.
Steel Surface Treatment Standards
| GB 8923-2011 | Suav National Standard |
| ISO 8501-1: 2007 | ISO Standard |
| TIAB SA 055900 | Sweden Standard |
| SSPC-SP2,3,5,6,7, THIAB 10 | Surface Treatment Standards ntawm American Steel Structure Painting Association |
| SIB 4232 | British Standard |
| DIN55928 | Lub teb chaws Yelemees Standard |
| JSRA SPSS | Nyiv Shipbuilding Research Association Standards |
★ National standard GB8923-2011 piav qhia txog qib descaling ★
[1] Dav hlau lossis moj tej tawg descaling
Dav hlau lossis tawg descaling yog qhia los ntawm tsab ntawv "Sa".Muaj plaub qib descaling:
Sa1 Lub Teeb Dav Hlau lossis Blast Descaling
Yog tsis muaj kev nthuav dav, qhov saum npoo yuav tsum tsis pub pom cov roj thiab cov av, thiab tsis muaj adhesions xws li cov tawv nqaij tsis zoo oxidized, xeb thiab xim coatings.
Sa2 Zoo Dav Hlau lossis Blast Descaling
Yog tsis muaj magnification, qhov saum npoo yuav tsum pub dawb los ntawm pom cov roj thiab cov av thiab cov pa oxygen zoo li tsis muaj oxidized ntawm daim tawv nqaij, xeb, coatings thiab txawv teb chaws impurities, cov residue ntawm uas yuav tsum tau ruaj khov.
Sa2.5 Lub Dav Hlau Zoo Heev lossis Blast Descaling
Yog tsis muaj magnification, qhov saum npoo yuav tsum tsis pub pom cov roj, av, oxidation, xeb, coatings thiab txawv teb chaws impurities, thiab cov seem seem ntawm cov kab mob yuav tsum tsuas yog dotted los yog streaked nrog lub teeb discoloration.
Sa3 Jet los yog moj tej tawg descaling hlau nrog huv si nto tsos
Yog tias tsis muaj kev nthuav dav, qhov saum npoo yuav tsum tsis pub pom cov roj, roj, av, oxidized ntawm daim tawv nqaij, xeb, coatings thiab txawv teb chaws impurities, thiab qhov saum npoo yuav tsum muaj xim hlau tsis sib xws.
[2] Tes thiab fais fab cuab yeej descaling
Tes thiab lub zog lub cuab yeej descaling yog qhia los ntawm tsab ntawv "St".Muaj ob chav kawm ntawm descaling:
St2 Tag nrho tes thiab lub zog cuab yeej descaling
Yog tsis muaj magnification, qhov saum npoo yuav tsum tsis pub pom cov roj, roj thiab av, thiab tsis muaj cov tawv nqaij oxidized, xeb, coatings thiab txawv teb chaws impurities.
St3 Ib yam li St2 tab sis ntau dua, qhov saum npoo yuav tsum muaj cov hlau nplaum ntawm cov substrate.
【3】 Nplaim tu
Yog tsis muaj magnification, qhov saum npoo yuav tsum tsis pub pom cov roj, roj, av, oxidized ntawm daim tawv nqaij, xeb, coatings thiab txawv teb chaws impurities, thiab cov seem seem yuav tsum tsuas yog deg decoloration.
Cov lus sib piv ntawm peb tus qauv descaling thiab txawv teb chaws descaling tus qauv sib npaug
Lus Cim: Sp6 hauv SSPC yog me ntsis nruj dua Sa2.5, Sp2 yog phau ntawv xov hlau txhuam descaling thiab Sp3 yog lub zog descaling.
Kev sib piv cov kab kos ntawm steel nto corrosion qib thiab dav hlau descaling qib yog raws li nram no:
Post lub sij hawm: Dec-05-2023