Pipe yeSimbi yeA252 GREYIDI 2 Yemapaipi eGasi ePasi pevhu

Tsananguro pfupi:

Kana zvasvika pakuisa mapaipi egasi pasi pevhu, chimwe chezvinhu zvakakosha kusarudza nzira yekusonerera yekubatanidza mapaipi.Kushongedza Arc Yakanyudzwa neHelical (HSAW) inzira inozivikanwa yekuwedera inoshandiswa kubatanidza mapaipi esimbi eA252 Grade 2 mumapombi egasi epasi pevhu. Nzira iyi ine zvakanakira zvakawanda, zvinosanganisira kushanda zvakanaka kwewedera, kunaka kwechimiro, uye kuvimbika kwenguva refu.

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Ruzivo rweChigadzirwa

Matagi eChigadzirwa

Kana zvasvika pakuisa mapaipi egasi pasi pevhu, chimwe chezvinhu zvakakosha kusarudza nzira yekusonerera yekubatanidza mapaipi.Kushongedza Arc Yakanyudzwa neHelical(HSAW) inzira inozivikanwa yekuwedera inoshandiswa kubatanidza mapaipi esimbi eA252 Grade 2 mumapombi egasi epasi pevhu. Nzira iyi ine zvakanakira zvakawanda, zvinosanganisira kushanda zvakanaka kwewedera, kunaka kwechimiro, uye kuvimbika kwenguva refu.

Pombi yesimbi yeA252 Giredhi 2Yakagadzirirwa kushandiswa zvakanyanya mukushandiswa kwekumanikidzwa kwakadai sekutakura gasi rechisikigo. Mapaipi aya anozivikanwa nekusimba kwawo kwakanyanya uye kuramba ngura, zvichiita kuti ave akakodzera kuiswa kwemapaipi egasi pasi pevhu. Zvisinei, maitiro ekunamira akakosha pakuona kuti mapaipi egasi rechisikigo akasimba uye anogara kwenguva refu.

Zvivakwa zveMechanical

	Giredhi 1	Giredhi 2	Giredhi 3
Simba remubereko kana kuti simba remubereko, min, Mpa(PSI)	205 (30 000)	240 (35 000)	310 (45 000)
Simba rekusimba, min, Mpa(PSI)	345 (50 000)	415 (60 000)	455 (66 0000)

Kuongorora Chigadzirwa

Simbi yacho haifanirwe kunge iine phosphorus inopfuura 0.050%.

Kusiyana Kunobvumidzwa Muhuremu Nehukuru

Kureba kwese kwepombi yepombi kunofanira kuyerwa kwakasiyana uye huremu hwayo hahufanirwe kusiyana ne15% pamusoro kana 5% pasi pehuremu hwayo hwepfungwa, zvichiverengerwa uchishandisa hurefu hwayo nehuremu hwayo pahurefu hweyuniti.

Dhayamita yekunze haifanirwe kusiyana kupfuura ±1% kubva padhayamita yekunze yakatarwa.

Ukobvu hwemadziro chero nguva hahufanirwe kupfuura 12.5% pasi peukobvu hwemadziro hwakatarwa

Kureba

Hurefu husina kurongeka: 16 kusvika 25ft (4.88 kusvika 7.62m)

Hurefu huviri hwakasiyana-siyana: pamusoro pe25ft kusvika 35ft (7.62 kusvika 10.67m)

Hurefu hwakafanana: musiyano unobvumirwa ±1in

Chimwe chezvakanakira zvikuru zve spiral submided arc welding ndechekushanda kwayo kwepamusoro kwe welding. Nzira iyi inobvumira kuwanda kwekuisa zvinhu, zvichikonzera kukurumidza kwe welding uye kuwedzera kugona kwayo. Nekuda kweizvozvo, kuiswa kwemapaipi egasi epasi pevhuzvinogona kupedzwa nenguva, zvichideredza kukanganiswa uye nguva yekushanda.

Pamusoro pezvo, HSAW ine chimiro chakasimba kwazvo. Maitiro ekunamira anogadzira chisungo chakasimba uye chinoenderera mberi pakati pemapaipi esimbi eA252 Grade 2, zvichiita kuti mapaipi agone kutsungirira kumanikidzwa kwekunze nemamiriro ekunze anowanikwa munzvimbo dziri pasi pevhu. Kusimba kwechimiro ichi kwakakosha pakutakura gasi rechisikigo zvakachengeteka uye zvakavimbika munzvimbo refu.

Pamusoro pekushanda zvakanaka uye kusimba kwechimiro, kusanganisa arc welding ne spiral submited arc kunoita kuti igare kwenguva refu. Majoini akasungirirwa akagadzirwa uchishandisa tekinoroji iyi anopa kugara kwenguva refu uye kuramba ngura, zvichiita kuti mapaipi egasi epasi pevhu arambe ari mumamiriro akanaka kwenguva refu. Kugara kwenguva refu uku kwakakosha kuderedza mari yekugadzirisa nekugadzira mapaipi egasi rechisikigo.

Kazhinji, sarudzo yenzira yekuwedera yekubatanidza mapaipi esimbi eA252 Grade 2 mumapombi egasi epasi pevhu ine basa rakakosha mukuchengetedzeka uye kushanda zvakanaka kwehurongwa hwekugovera gasi. Kuwedera kwearc inonyungudika yeSpiral kunopa mabhenefiti makuru mukushanda zvakanaka kwewelding, kusimba kwechimiro uye kuvimbika kwenguva refu, zvichiita kuti ive yakanaka pakuona kuti mapaipi egasi epasi pevhu anoshanda zvakanaka.

Muchidimbu, kukosha kweA252 Grade 2 steel pipe spiral submerged arc welding mumapaipi egasi epasi pevhu hakugone kurerutswa. Nzira iyi yekuwelda ine mabhenefiti akawanda, anosanganisira kushanda zvakanaka kwewelding, kunaka kwechimiro, uye kuvimbika kwenguva refu. Nekusarudza HSAW welded A252 Grade 2 steel pipe, vanoisa mapaipi egasi vanogona kuve nechokwadi chekuti gasi rechisikigo rinotakurwa rakachengeteka uye rakavimbika kwemakore anotevera.