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Chiyambi cha Kugawa Chitoliro cha Chitsulo Chosefedwa

Mapaipi achitsulo opangidwa ndi welded amagawidwa m'magulu awa:

Chitoliro Choponderezedwa ndi Magetsi(ERW),Chitoliro cha Zitsulo Chozungulira(SSAW),Chitoliro Choponderezedwa cha Longitudinal Arc Welded(LSAW)

Kukula:

①ERW Chitoliro chachitsulo:

OD: 21.3mm ~ 660mm;Kulemera: 1mm ~ 17.5mm; UTALI: 0.5mtr ~ 22mtr

②Chitoliro chachitsulo cha LSAW:

OD: 406mm ~ 1422 mm;Kulemera: 6.4mm ~ 44.5mm;UTALI: 5mtr ~ 12mtr

Chitoliro chachitsulo cha SSAW:

OD: 219.1mm ~ 3500mm; Kulemera: 6mm ~ 25mm (Mpaka 1''); UTALI: 6mtr ~ 18mtr, SRL, DRL

Muyezo ndi Giredi:

ASTM A53, Giredi A/B/C, API 5L, PSL1, PSL2, GR.B/X42-X80, ASTM A795, ASTM A135, ASTM A252, GR.1/2/3, AWWA C200

  Kufotokozera

Chitoliro chachitsulo cholumikizidwa chimapangidwa pogwiritsa ntchito mbale zachitsulo zathyathyathya kapena mizere yachitsulo, ndipo njira yake yopangira imapanga mipata m'thupi mwake. Makamaka, mapaipi achitsulo olumikizidwa amapangidwa, mbale yachitsulo kapena mzere umapindidwa kenako nkulumikizidwa kukhala chitoliro chozungulira, chachikhalidwe kapena mawonekedwe a sikweya. Chitoliro cha LSAW, chitoliro cha SSAW ndi chitoliro cha ERW zonse ndi mapaipi achitsulo olumikizidwa ndipo amagawidwa kutengera njira yolumikizira. Mwachitsanzo, chitoliro cha LSAW chimalumikizidwa motalikirana, ndipo chitoliro cha SSAW chimalumikizidwa mozungulira. Chitoliro cha ERW chimalumikizidwa molimba ndi magetsi, zomwe zimapangitsa kuti chitolirocho chikhale chofanana ndi thupi la chitolirocho.

 Chitoliro cha Zitsulo cha ERW 

Mapaipi olumikizidwa pafupipafupi nthawi zambiri amakhala owongoka, koma mapaipi achitsulo olumikizidwa molunjika si nthawi zonse amakhala owongoka pafupipafupi. Chitoliro chachitsulo cholumikizidwa molunjika chamagetsi cholimba chimapangidwa ndi zotsatira za khungu ndi zotsatira za kuyandikira kwa mphamvu yamagetsi yothamanga kwambiri pambuyo poti mbale yozungulira yotenthedwa ipangidwe ndi makina oumba, ndipo m'mphepete mwa chubu chopanda kanthu chimatenthedwa ndikusungunuka, ndipo kuwongola kwamphamvu kumachitika pogwiritsa ntchito chosindikizira chosindikizira kuti chikwaniritse kupanga. Chitoliro chachitsulo cholumikizidwa molimba kwambiri chimasiyana ndi njira yolumikizira mapaipi wamba. Wongola chimapangidwa ndi zinthu zoyambira za thupi la chitsulo, ndipo mphamvu yamakina ndi yabwino kuposa ya chitoliro cholumikizidwa. Pamwamba pake ndi yosalala, yolondola kwambiri, yotsika mtengo, ndipo ili ndi kutalika kochepa kwa msoko wolumikizidwa, zomwe zimathandiza pakuphimba kwa 3PE anti-corrosion.

 Chitoliro cha Zitsulo cha LSAW 

Chopopera cha arc chopopera cha longitudinal chimapangidwa pogwiritsa ntchito mbale imodzi yapakatikati komanso yokhuthala ngati zopangira, kukanikiza (kugubuduza) mbale yachitsulo mu nkhungu kapena makina opangira mu chubu chopanda kanthu, pogwiritsa ntchito chopopera cha arc chopopera cha mbali ziwiri, ndikukulitsa mainchesi. Kuchuluka kwa chakudya cha mbale yachitsulo kumatha kusinthidwa zokha malinga ndi mitundu yosiyanasiyana ya chitsulo, makulidwe a khoma, ndi m'lifupi mwa mbale. Nthawi yomweyo, ntchito yolipirira kusintha kwa masinthidwe imapewa bwino zotsatira zoyipa za kusintha kwa nkhungu pakupanga ndikuwonetsetsa kuti kutalika konse kwa mbale yachitsulo panthawi yokanikiza kukhale kosalala. Gawo lodyetsa ndi lofanana panthawi yopanga, kuonetsetsa kuti chubu chopanda kanthu ndi chosalala cha m'mphepete mwa chopopera. Chopangidwa chomalizidwa chili ndi mitundu yosiyanasiyana ya ma specifications, ndipo chopoperacho chili ndi kulimba kwabwino, pulasitiki, kufanana, komanso kufupika. Chili ndi ubwino wa mainchesi akuluakulu a chitoliro, makulidwe a khoma la chitoliro, kukana kuthamanga kwambiri, kukana kutentha kochepa, komanso kukana dzimbiri mwamphamvu. 

 Chitoliro chachitsulo cha SSAW

Chitoliro cholumikizidwa mozungulira (chitoliro cha SSAW, chomwe chimatchedwanso chitoliro cha HSAW). Chitolirochi chimapangidwa ndi ukadaulo wolumikizira wa arc wozungulira. Mapaipi olumikizidwa mozungulira amapangidwa pogwiritsa ntchito mbale zopapatiza kapena ma coil otenthedwa, zomwe zimachepetsa ndalama zopangira kwambiri. Mzere wolumikizira umaoneka ngati helix. Njira yolumikizira mozungulira imalola kupanga mapaipi akuluakulu oyenera kunyamula mafuta ndi gasi ambiri. Mapaipi ena a SSAW m'mbuyomu anali ochepa mphamvu.

ERW-PIPE-ASTM-A534
Chitoliro Chosemedwa cha ERW2
SSAW-HSAW-Chitoliro-chozungulira-cholumikizidwa-ndi-chitsulo_chokhala_chozungulira

Nthawi yotumizira: Okutobala-16-2023

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