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Zogulitsa

Anticorrosion For Petroleum Pipeline

Miyezo:

DIN 30670: zokutira za polyethylene zamapaipi achitsulo ndi zomangira

GB/T23257: PE Anti- dzimbiri ❖ kuyanika kwa mapaipi okwiriridwa zitsulo

Kukula:

Ntchito kwa anticorrosion wa payipi mafuta, akhoza kupitirira kunja ❖ kuyanika ntchito ndi utoto epoxy mkati-kupopera mankhwala zomangamanga zitsulo chitoliro.


Tsatanetsatane wa Zamalonda

Zogulitsa Tags

Kufotokozera

Chithunzi cha DN50-DN1420mm
3LPE: polyethylene yamitundu itatu
2LPE: polyethylene yokhala ndi magawo awiri
FBE: ufa wosanjikiza umodzi wa epoxy
2FBE: ufa wosanjikiza kawiri wa epoxy

Anticorrosive Coating Makulidwe a 3LPE

DNNominal Diameter Kupaka kwa Epoxy(m) Zomatira zokutira(m) Kukhuthala Kwathunthu (mm)
(mm) Wamba (n) Kulimbikitsidwa (v)
DN≤100 ≥120  ≥170 1.8 2.5
100 2.0 2.7
250 2.2 2.9
500≤DN<800 2.5 3.2
DN≥800 3.0 3.7
Anticorrosion For Petroleum Pipeline2

Mapaipi a mapaipi amafuta nthawi zambiri amakhala machubu achitsulo, omwe amalumikizidwa ndi kuwotcherera ndi ma flanges ndi zida zina zolumikizira ndi mapaipi akutali, ndipo mavavu amagwiritsidwa ntchito potsegula ndi kutseka kuwongolera ndi kuwongolera kuyenda.Mapaipi amafuta amakhala ndi zoyendera za isothermal, zoyendera zotenthetsera komanso zoyendera motsatizana komanso ukadaulo wina wamayendedwe.Kuwonongeka kwa mapaipi ndi momwe mungapewere dzimbiri ndi chimodzi mwazinthu zofunika kwambiri pakukonza mapaipi.Chifukwa chakuti mafutawo anali ndi sulfure ndi asidi, ndipo payipiyo imavumbulidwa panja ndi mphepo ndi mvula, payipiyo imakhala ndi dzimbiri mosavuta.Paipi dzimbiri makamaka ali mitundu zotsatirazi: zitsulo mpweya dzimbiri chifukwa cha mfundo ya galvanic selo;Kuwonongeka kwa haidrojeni chifukwa cha mvula ya asidi yobwera chifukwa cha acidic sulfide (sulfure dioxide ndi hydrogen sulfide) pamtunda wa mapaipi;Carbon dioxide acid dzimbiri chifukwa cha mpweya mumlengalenga;Kuwonongeka kwa bakiteriya chifukwa cha mabakiteriya omwe amatha kutulutsa sulphate pamwamba pa payipi ndi dzimbiri chifukwa cha madzi mupaipi.
The chitoliro ntchito mapaipi mafuta makamaka mpweya zitsulo chitoliro, amene akhoza kugawidwa mu seamless zitsulo chitoliro ndi welded zitsulo chitoliro malinga ndi kupanga kwake.Chitoliro chachitsulo chosasunthika chimakhala ndi mphamvu zambiri, zotchulidwa zingapo, choncho ndizoyenera kupangira mafuta owononga kapena kutentha kwambiri.Wopanda chitsulo chitoliro anawagawa otentha adagulung'undisa ndi ozizira kukopeka mitundu iwiri.Chifukwa chojambula chozizira chimayambitsa kuuma kwa zinthuzo, m'pofunikanso kuchita kutentha kofanana ndi momwe chitoliro chimagwiritsidwira ntchito.Welded zitsulo chitoliro akhoza kugawidwa mu mitundu iwiri: msoko zitsulo chitoliro ndi waponya welded chitoliro.Chifukwa ndondomeko makhalidwe a mpweya zitsulo chitoliro, mtundu uwu wa zitsulo chitoliro n'zosavuta kukhala Chimaona pa kutentha otsika, choncho makamaka oyenera yachibadwa kutentha payipi, ntchito kutentha chitoliro sayenera upambana madigiri 300 Celsius, zambiri kulankhula, kutentha ntchito wamba mpweya zitsulo chitoliro ndi pakati pa 0 ndi 300 digiri Celsius.Ngati ntchito apamwamba mpweya zitsulo chitoliro, kutentha osiyanasiyana ndi zosangalatsa - 40 kuti 450 digiri Celsius.


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