Cov kauj ruam ua haujlwm tshwj xeeb thiab ceev faj ntawm pickling tank?

1. Roj tshem tawm pretreatment
· Siv cov tshuaj alkaline lossis emulsifier tshem cov roj los ntawm qhov chaw ntawm lub workpiece kom tshem tawm cov roj thiab impurities.
· Degreasing lub sij hawm thiab qhov kub thiab txias yuav tsum tau kho raws li workpiece cov khoom thiab cov pa phem degree.
· Yaug kom huv nrog dej tom qab tshem cov roj.
2. Pickling
· Raus lub workpiece kiag li nyob rau hauv lub pickling tank, xyuas kom meej tias cov nto yog tag nrho nyob rau hauv kev sib cuag nrog cov kua qaub.
· Xaiv qhov tsim nyog concentration thiab kub ntawm cov tshuaj pickling raws li cov khoom, cov duab thiab thickness ntawm workpiece. Feem ntau sulfuric acid concentration yog 5-15%, thiab kub yog 50-80 degrees Celsius.
· Tswj lub sij hawm pickling, feem ntau yog los ntawm 5-30 feeb, nrog lub hom phiaj ntawm tshem tawm oxidation txheej thiab impurities.
· Ua tib zoo saib cov txheej txheem pickling thiab kho qhov concentration thiab kub ntawm pickling tov yog tias tsim nyog.
Kauj Ruam 3 Ntxuav
· Ntxuav lub workpiece kom huv si nrog ntau cov dej huv tam sim ntawd tom qab pickling kom tshem tawm cov residual acid ntawm qhov chaw.
· Xyuas kom huv si ntxuav kom tshem tawm cov acid residue.
4. Passivation
· Lub nto ntawm lub workpiece yog passivated nrog qaug zog acid los yog alkaline tov los tsim ib tug tiv thaiv oxide zaj duab xis.
· Lub sijhawm Passivation feem ntau yog 1-5 feeb.
· Nws kuj yuav tsum tau muab yaug nrog dej huv tom qab passivation.
Kauj Ruam 5: Qhuav
· Siv cov cua kub kom qhuav los yog lwm txoj hauv kev kom qhuav lub workpiece kom qhuav. Xyuas kom tsis muaj noo noo nyob ntawm qhov chaw.

Nco tseg:
· Ua tib zoo saib xyuas kev nyab xeeb thaum ua haujlwm, xws li siv cov iav tiv thaiv, hnab looj tes, thiab lwm yam.
· Pickling tank thiab cov cuab yeej txhawb nqa yuav tsum tau muab ntxuav thiab khaws cia tsis tu ncua kom ntseeg tau ruaj khov thiab kub ntawm cov tshuaj pickling.
· Cov tshuaj pickling yuav tsum tau hloov tom qab ib lub sij hawm ntawm kev siv, thiaj li tsis cuam tshuam rau kev kho mob nyhuv.
· Cov kua qaub thiab cov dej ntws yaug yuav tsum tau kho kom zoo kom tsis txhob muaj kab mob.