Kutentha Kutentha kwa Dip Dip Aluminizing Coating Panthawi Yogwirizanitsa

Kuyika kwa aluminizing yotentha ndi imodzi mwa njira zothandiza kwambiri zotetezera pamwamba pazitsulo ndipo pang'onopang'ono zikuyamba kutchuka. Ngakhale kuthamanga kukoka ndi imodzi mwamagawo ofunikira kwambiri kuti athe kuwongolera makulidwe a ❖ kuyanika kwa zinthu za aluminizing, komabe, pali zofalitsa zochepa pamasamu a masamu a kukoka liwiro panthawi yothira yotentha. Pofuna kufotokozera kugwirizana pakati pa kukoka liwiro, kuyanika makulidwe ndi nthawi yolimba, mfundo ya misa ndi kutentha kutentha panthawi ya aluminizing ikufufuzidwa mu pepala ili. Masamu a masamu amachokera ku Navier-Stokes equation ndi kusanthula kutentha. Mayesero ogwiritsira ntchito zida zodzipangira okha amachitidwa kuti atsimikizire masamu masamu. Mwachindunji, zotayidwa kusungunuka amayeretsedwa pa 730 ℃. Njira ya Cook-Norteman imagwiritsidwa ntchito popangira mbale zachitsulo za Q235.

Kutentha kwa aluminizing yotentha kumayikidwa ku 690 ndipo ℃ nthawi yoviika imayikidwa ku 3 min. Galimoto yamakono yomwe ili ndi kusinthasintha kwapang'onopang'ono kopanda masitepe imagwiritsidwa ntchito kusintha liwiro la kukoka. Kusintha kwa kutentha kwa zokutira kumalembedwa ndi thermometer ya infrared, ndipo makulidwe ake amayezedwa pogwiritsa ntchito kusanthula kwazithunzi. Zotsatira zoyeserera zotsimikizira zikuwonetsa kuti makulidwe a zokutira amafanana ndi muzu wapakati wokokera mbale yachitsulo ya Q235, komanso kuti pali mgwirizano pakati pa makulidwe a zokutira ndi nthawi yolimba pomwe liwiro la kukoka ndi lotsika kuposa 0.11 m/s. Kunenedweratu kwachitsanzo chomwe akufunsidwacho kumagwirizana bwino ndi kuyeserera kwa makulidwe a zokutira.

1 Introduction

Hot dip aluminizing chitsulo ali apamwamba kukana dzimbiri ndi zofunika kwambiri mawotchi katundu poyerekeza ndi kuviika otentha galvanizing zitsulo. Mfundo ya aluminizing yotentha ndi yakuti mbale zachitsulo zomwe zimapangidwira zimayikidwa muzitsulo zosungunuka za aluminiyamu pa kutentha kwina kwa nthawi yoyenera. Ma atomu a aluminiyamu amafalikira ndikuchitapo kanthu ndi maatomu a Iron kupanga zokutira zophatikiza za Fe-Al ndi aloyi ya aluminiyamu yomwe imakhala ndi mphamvu yolumikizana kwambiri ndi matrix kuti ikwaniritse zofunikira zoteteza ndi kulimbikitsa pamwamba. Mwachidule, zinthu zachitsulo zotentha ndizomwe zimakhala ndi zinthu zambiri komanso zotsika mtengo. Pakali pano, njira monga Sendzimir, Non-oxidizing kuchepetsa, Non-oxidizing ndi Cook-Norteman nthawi zambiri amagwiritsidwa ntchito popanga aluminizing yotentha, yomwe imapanga zinthu zazikuluzikulu zomwe zingatheke chifukwa cha kupanga kwawo kwakukulu, kukhazikika kwazinthu ndi zochepa. kuipitsa. Pakati pa matekinoloje anayi, Sendzimir, Non-oxidizing kuchepetsa ndi Non-oxidizing amadziwika ndi njira zovuta, zipangizo zamtengo wapatali komanso zotsika mtengo. Masiku ano, njira ya Cook-Norteman ikugwiritsidwa ntchito kwambiri chifukwa chaubwino wa njira zosinthika, zotsika mtengo komanso zachilengedwe.

Panjira yotentha ya aluminizing ya dip, makulidwe okutirira ndi gawo lofunikira kuti muwunikire mtundu wa zokutira ndipo limagwira ntchito yofunika kwambiri pakuzindikira zomwe zokutira. Momwe mungasinthire makulidwe a zokutira panthawi yakuviika kotentha amaonedwa kuti ndikofunikira pakutsimikizira zokutira zabwino kwambiri. Monga tikudziwira kale, pali kulumikizana kwapakati pakati pa makulidwe a zokutira, kukoka liwiro ndi nthawi yolimba. Choncho, pofuna kuwongolera ndondomeko yotentha yotentha ndikuwongolera khalidwe lopaka, m'pofunika kupanga masamu a masamu omwe angafotokoze mgwirizano umenewu. Mu pepala ili, masamu a masamu opaka makulidwe ndi kukoka liwiro amachokera ku Navier-Stokes equation. Kutentha kwa kutentha panthawi ya kulimbitsa zokutira kumawunikidwa, ndipo mgwirizano wa makulidwe a zokutira ndi nthawi yolimba umakhazikitsidwa. Kuyesa kwa dip yotentha aluminizing mbale zachitsulo za Q235 zochokera ku njira ya Cook-Norteman zimachitika ndi zida zodzipangira zokha. Kutentha kwenikweni ndi kupaka makulidwe kumayesedwa moyenerera. Zomwe zimatengedwa m'malingaliro zimawonetsedwa ndikutsimikiziridwa ndi kuyesa.

2 Chitsanzo cha Masamu

2.2 Kutentha kwa kutentha panthawi ya kulimbitsa zokutira Popeza zokutira za aluminiyamu ndizochepa kwambiri, zimatha kutengedwa ngati pa.rallel madzimadzi ikuyenda pa lathyathyathya pamwamba zidutswa yokutidwa. Ndiye ikhoza kufufuzidwa kuchokera ku x direction. Zithunzi zojambulidwa za zokutira-gawo lapansi zimaperekedwa mkuyu.
Kuti mudziwe zambiri, chonde titumizireni.