Ponena zakupanga mapaipi, kuonetsetsa kuti zilimba komanso kuti zisagwere dzimbiri n'kofunika kwambiri.Mapaipi achitsulo cha kaboni a LSAW, yomwe imadziwikanso kuti Longitudinal Submerged ArcMapaipi odulira, ndi chisankho chodziwika bwino chifukwa cha mphamvu zawo zapamwamba komanso kudalirika kwawo. Kuti apititse patsogolo kukana dzimbiri, mapaipi awa amatha kuphimbidwa ndi polyethylene yolimba yokhala ndi zigawo zitatu yotchedwa 3PE. Mu blog iyi, tifufuza ubwino wogwiritsa ntchitoMapaipi achitsulo cha kaboni a LSAW okhala ndi 3PEndi chifukwa chake ndi chisankho chabwino kwambiri m'mafakitale osiyanasiyana.
Chophimba cha 3PE choletsa dzimbiri ndi njira yodalirika yotetezera mapaipi achitsulo cha LSAW ku dzimbiri ndipo chimawonjezera moyo wawo. Kapangidwe ka 3PE kali ndi zigawo zitatu, kuyambira ndi gawo la ufa wa epoxy lomwe limapereka kumamatira bwino ndi kulumikizana pamwamba pa chitoliro. Izi zimatsatiridwa ndi gawo lomatira, lomwe limalimbitsa mgwirizano pakati pa epoxy ndi gawo lomaliza - polyethylene yoletsa dzimbiri. Gawo la polyethylene limagwira ntchito ngati chotchinga, kuletsa madzi, mankhwala, ndi zinthu zina zowononga kuti zisafike mkati mwa chitoliro. Kuphatikiza apo, imatha kupirira kutentha mpaka 80°C, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito m'njira zosiyanasiyana.
Poyerekeza ndi chophimba cha 2PE, kuwonjezera kwa epoxy powder layer mu mapaipi a LSAW okhala ndi 3PE kumawonjezera mphamvu zonse za anti-crorosion. Chowonjezera ichi chimawonjezera kulimba ndi kukana kuwonongeka, kuonetsetsa kuti mapaipi amatha kupirira nyengo zovuta. Mtundu wamba waMapaipi okhala ndi zokutira za 3PEndi yakuda, ndipo amatsatira miyezo yapadziko lonse lapansi monga DIN30670, CAN/CSA Z245.21, ndi ISO21809. Miyezo yokhwimayi imatsimikizira kuti mapaipi akukwaniritsa zofunikira pa khalidwe ndi magwiridwe antchito, zomwe zimapangitsa kuti akhale chisankho chodalirika m'mafakitale osiyanasiyana.
Ku Botop Steel, timapereka mapaipi apamwamba kwambiri a LSAW carbon steel okhala ndi 3PE anti-corrosion coating. Mapaipi athu amapezeka m'makulidwe osiyanasiyana, magiredi, ndi zofunikira kuti akwaniritse zosowa za makasitomala athu. Ndi kudzipereka kwathu kuchita bwino kwambiri komanso kusamalira tsatanetsatane, tikuonetsetsa kuti mapaipi athu akukwaniritsa miyezo yapamwamba kwambiri yamakampani. Kuphatikiza apo, mapaipi athu amakutidwa ndi FBE anti-corrosion kuchokera mkati, zomwe zimapangitsa kuti asawonongeke. Chokutira chamkati cha FBE sichili ndi poizoni ndipo chimathandiza kupewa dzimbiri pamene chikuwongolera kuchuluka kwa mpweya ndi madzi mkati mwa makina.mapaipiIzi zimapangitsa mapaipi athu a LSAW okhala ndi 3PE okhala ndi chitsulo cha kaboni kukhala odalirika m'mafakitale monga mafuta ndi gasi, madzi, ndi zomangamanga.
Pomaliza,Mapaipi achitsulo cha kaboni a LSAW okhala ndi 3PEamapereka zabwino zambiri, kuphatikizapo mphamvu zabwino zotsutsana ndi dzimbiri, kulimba kwambiri, komanso kukana kuwonongeka. Kuphatikiza kwa epoxy powder layer, guluu womatira, ndi polyethylene anti-corrosion layer kumatsimikizira kuti mapaipi amatha kupirira mikhalidwe yovuta, zomwe zimapangitsa kuti akhale oyenera kugwiritsidwa ntchito mosiyanasiyana. Ku Botop Steel, timanyadira kuperekamapaipi apamwamba kwambirizomwe zikukwaniritsa miyezo yapadziko lonse lapansi ndipo zimaposa zomwe makasitomala amayembekezera. Ikani ndalama mu mapaipi achitsulo cha LSAW okhala ndi 3PE coated kuti mupeze njira yodalirika komanso yokhalitsa ya mapaipi.
Nthawi yotumizira: Novembala-27-2023