Frosted iav txheej txheem ntau lawm

Cov txheej txheem ntawm kev tsim cov iav frosted siv cov txheej txheem tshuaj yog:
1. Kev ntxuav thiab ziab: Ua ntej, ntxuav lub iav tiaj tus siv los tsim cov iav frosted nrog dej kom tshem tawm cov plua plav thiab cov stains, thiab tom qab ntawd qhuav;
2. Hoisting: Muab cov iav uas ntxuav thiab qhuav qhuav rau hauv cov thav duab dai. Ib feem ntawm lub hanging ncej uas yog nyob rau hauv kev sib cuag nrog lub iav yog padded nrog toothed roj hmab brackets. Lub iav yog tso tawm vertically, nrog ib qho kev ncua deb ntawm lub iav thiab iav. Crane nqa;
3. Corrosion: Siv lub crane tso rau hauv lub iav tiaj tiaj ua ke nrog lub lifting ncej rau hauv lub thawv corrosion. Siv cov kua corrosive ib txwm tso rau hauv lub khob. Lub sijhawm corrosion yog 5-10 feeb. Tom qab nqa nrog lub crane, ntws tawm cov kua uas seem;
4. softening: Tom qab tshem tawm cov kua seem, ib txheej ntawm residue txuas rau lub iav frosted. Muab tso rau hauv ib lub thawv softening kom soften. Siv cov kua softening ib txwm tso rau hauv lub khob. Lub sij hawm softening yog 1-2 feeb thiab cov residue raug tshem tawm;
5. Kev Tu: Vim yog corrosion thiab softening, lub frosted iav lub cev muaj ntau yam tshuaj, yog li nws yuav tsum tau ntxuav. Muab cov iav frosted rau ntawm qhov swb ntawm lub tshuab ntxhua khaub ncaws. Lub swb tsav cov iav frosted rau hauv lub tshuab ntxhua khaub ncaws. Lub tshuab ntxhua khaub ncaws ntxhua dej huv thaum tig. Txhuam, thaum lub iav frosted raug tshem tawm ntawm lub tshuab ntxuav los ntawm lub tshuab ntxhua khaub ncaws, kev ntxuav cov iav frosted tiav;
6. Muab cov iav frosted ntxuav rau hauv chav ziab kom qhuav, thiab nws yuav dhau los ua ib sab lossis ob sab frosted iav.