Mabhenefiti ekushandisa mapaipi esimbi akasungirirwa nesimbi inonzi spirally welded ASTM A252

Zvakanakira Kushandisa Mapaipi Esimbi Akagadzirwa Nesimbi ASTM A252 Mufananidzo Unoratidza

Tsananguro pfupi:

Pakuvaka mapaipi emaindasitiri akasiyana-siyana, kusarudza zvinhu kwakakosha. Mapaipi esimbi akasungirirwa nesimbi, kunyanya ayo akagadzirwa zvinoenderana neASTM A252 standards, ave sarudzo yakakurumbira kune akawanda mashandisirwo ayo nekuda kwezvakanakira zvakawanda.

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Ruzivo rweChigadzirwa

Matagi eChigadzirwa

Chimwe chezvakanakira zvikuru zvekushandisa pombi yesimbi yeASTM A252 spiral welded ndechekuti ine simba rakawanda uye inogara kwenguva refu. Mapombi aya anogona kutsungirira kumanikidzwa kwakanyanya uye mutoro unorema, zvichiita kuti ave akakodzera kutakurwa kwemafuta negasi, kutakurwa kwemvura uye kushandiswa kwezvivakwa. Maitiro ekubatanidza spiral anoshandiswa mukugadzira anovimbisa kubatana kwakasimba uye kwakaenzana, zvichibvumira pombi kuti ikwanise kutsungirira mamiriro akaomarara.

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

Pamusoro pesimba,mapaipi esimbi akasungirirwa nesimbi ASTM A252inopa simba rekudzivirira ngura. Izvi zvakakosha zvikuru kumapaipi anobatwa nemamiriro ekunze akaomarara kana zvinhu zvinoparadza. Kuvhara kwekudzivirira pamapaipi aya kunowedzera simba rekudzivirira ngura, zvichiita kuti agare kwenguva refu uye aderedze mari yekugadzirisa.

Uyezve, mapaipi esimbi akasungirirwa nesimbi inonzi ASTM A252 anozivikanwa nekushanda kwadzo nesimba uye nyore kuisa. Dhizaini yadzo inochinjika inogona kugadziriswa zviri nyore kuti ienderane nezvinodiwa zvepurojekiti, nepo hunhu hwadzo hwakareruka hunoita kuti kubata nekutakura zvive nyore. Izvi zvinoita kuti dzive sarudzo inodhura zvishoma kune dzakasiyana siyana, sezvo dzichigona kuiswa nekukurumidza uye nemazvo, zvichideredza nguva yekushanda nekuvaka.

Imwe mukana wekushandisa pombi yesimbi yeASTM A252 yakasungirirwa nesimbi ndeyekuchengetedza nharaunda. Yakagadzirwa nezvinhu zvinogona kushandiswazve, mapaipi aya anogona kushandiswazve kana kushandiswazve pakupera kwenguva yawo yekushanda, zvichideredza kukanganisa kwekuvakwa nekugadzirisa mapaipi. Pamusoro pezvo, hupenyu hwayo hurefu uye zvinodiwa zvishoma zvekugadzirisa zvinobatsira mukuvaka zvivakwa zvinogara kwenguva refu uye zvine hushamwari kune nharaunda.

Mukupedzisa, mapaipi esimbi akasungirirwa nesimbi inonzi ASTM A252 ane zvakanakira zvakawanda zvinoita kuti ive sarudzo yekutanga pakuvaka mapaipi. Simba rawo guru, kugara kwenguva refu, kuramba ngura, kushanduka-shanduka uye kugara kwenguva refu kwezvakatipoteredza zvinoita kuti akwanise kushandiswa mumabasa akasiyana-siyana mumaindasitiri akasiyana. Nekusarudza mapaipi aya, vagadziri vemapurojekiti vanogona kuve nechokwadi chekuti mapaipi aya ane sisitimu yakavimbika uye inogara kwenguva refu inosangana nemhando yepamusoro uye mwero wekushanda.