Amapayipi ashiselwe
Incazelo Yemikhiqizo
Amapayipi ashiselwe, aziwa nangokuthi amapayipi ensimbi ashiselwe, enziwa ngokugoqa amapuleti ensimbi noma amapheshana abe yisimo se-tubular bese eshisela amalunga. Kanye namapayipi angenamthungo, angenye yezigaba ezimbili eziyinhloko zamapayipi ensimbi. Izici zabo eziyinhloko ukukhiqiza okulula, izindleko eziphansi, kanye nezinhlobonhlobo zokucaciswa.
I. Ukuhlelwa Okubalulekile: Ukuhlelwa Ngenqubo Ye-Welding
Izinqubo ze-welding ezihlukene zinquma ukusebenza kwamapayipi ahlanganisiwe. Kunezinhlobo ezintathu eziyinhloko:
• Ipayipi Elishiselwe Longitudinal (ERW): Ngemva kokugoqa umucu wensimbi ube yindilinga noma isikwele esiphambanayo, umthungo ushiselwa ngobude (ubude) eduze kweshubhu. Lokhu kunikeza ukusebenza kahle kokukhiqiza okuphezulu kanye nezindleko eziphansi, okuyenza ifanele ukuthuthwa kwamanzi anomfutho ophansi (njengamanzi negesi) kanye nezicelo zokusekelwa kwesakhiwo. Ukucaciswa okujwayelekile kufaka phakathi amadayamitha amancane naphakathi (ngokujwayelekile ≤630mm).
• I-Spiral Welded Pipe (SSAW): I-steel strip igoqwa ngendlela ye-helical futhi umthungo ushiselwe kanyekanye, okwenza i-spiral weld. Umthungo we-weld ugcizelelwe ngokulinganayo, unikeza ukumelana okuphakeme nokugoba uma kuqhathaniswa nepayipi elishiselwe ngomthungo oqondile. Lokhu kuvumela ukukhiqizwa kwamapayipi anobubanzi obukhulu (afinyelela ku-3,000mm ububanzi) futhi ngokuyinhloko isetshenziselwa ukuthutha uketshezi olunomfutho ophezulu (njengamapayipi kawoyela negesi yemvelo) kanye namapayipi okukhipha amanzi kamasipala.
• Ipayipi elishiselwe lensimbi engagqwali: Lenziwe ngeshidi/umcu wensimbi engagqwali, elishiselwe kusetshenziswa izinqubo ezifana ne-TIG (i-tungsten inert gas arc welding) kanye ne-MIG (insimbi yensimbi yokushisela i-arc). Inokugqwala nokumelana nezinga lokushisa eliphezulu kwensimbi engagqwali futhi ifanele izinhlelo zokusebenza ezidinga izinto zekhwalithi ephezulu, njengokucubungula ukudla, amakhemikhali, namadivayisi ezokwelapha. Ivamise ukusetshenziswa kumapayipi anemba amancane naphakathi nendawo.
II. Izinzuzo Eziyinhloko
1. Izindleko Eziphansi Nokukhiqiza Okuphezulu: Uma kuqhathaniswa nepayipi elingenamthungo (elidinga izinqubo eziyinkimbinkimbi njengokubhoboza nokugingqika), ipayipi elishiselwe linikeza ukusetshenziswa okuphezulu kwempahla eluhlaza kanye nenqubo yokukhiqiza emfushane. Izindleko ngokuvamile ziphansi ngo-20% -50% ngokucaciswa okufanayo. Ngaphezu kwalokho, ingakhiqizwa ngamaqoqo futhi ngokuqhubekayo ukuhlangabezana nesidingo esikhulu.
2. Ukucaciswa Okuguquguqukayo: Amapayipi anobubanzi obuhlukahlukene (kusuka kumamilimitha ambalwa ukuya kumamitha amaningana), ubukhulu bodonga, nezingxenye eziphambanayo (eziyindilinga, eziyisikwele, nezingunxande) zingakhiqizwa ngokufunwa ukuze kuhlangatshezwane nezidingo zomuntu siqu zezinhlelo zokusebenza ezihlukahlukene, kuhlanganise nezokwakha nezimboni.
3. Ukucubungula Kalula: Izinto ezifanayo kanye nama-welds azinzile kusiza ukusika okulandelayo, ukubhoboza, ukugoba, neminye imisebenzi yokucubungula, ukuqinisekisa ukufakwa okulula.
III. Izindawo Zokusebenza Eziyinhloko
• Imboni Yokwakha: Isetshenziswa emapayipini okuphakela amanzi namapayipi amanzi, amapayipi okuvikela umlilo, izisekelo zesakhiwo sensimbi (ezifana nezikafula nezigxobo zamakhethini), amafreyimu eminyango namafasitela (amapayipi ashiselwe unxande), njll.
• Umkhakha Wezimboni: Asetshenziswa njengamapayipi athutha amanzi anomfutho ophansi (amanzi, umoya ocindezelwe, isitimu), amapayipi asekela izinto zokusebenza, amapayipi okuqapha eshabhu, njll.; amapayipi ashiselwe okuvunguzayo anobubanzi obukhulu asetshenziswa kumapayipi ahamba ibanga elide kawoyela negesi yemvelo.
• Umkhakha Kamasipala: Asetshenziswa emapayipini okudonsa amanzi emadolobheni, kuxhaxha lwamapayipi egesi (umfutho ophakathi nendawo nophansi), izigxobo zezibani zasemgwaqweni, imigwaqo yomgwaqo, njll.
• Impilo Yansuku zonke: Amapayipi amancane ashiselwe (njengamapayipi ensimbi engagqwali) asetshenziswa kubakaki befenisha kanye namapayipi asekhishini (njengamapayipi okukhipha umoya ovala izivalo).
Isibonisi somkhiqizo
Imikhiqizo ehlobene
-
304 insimbi engagqwali engenamthungo eshiselwe i-carbon acou ...
Incazelo yomkhiqizo Ipayipi lensimbi engenamthungo ipayipi lensimbi elibhobozwe yinsimbi yonke eyindilinga, futhi akukho ukushisela ngaphezulu. Ibizwa nge-seamless steel pipe. Ngokwendlela yokukhiqiza, ipayipi lensimbi elingenamthungo lingahlukaniswa libe ipayipi lensimbi elishisayo eligoqiwe elingenamthungo, ipayipi lensimbi elibandayo eligoqelwe elibandayo, ipayipi lensimbi elibandayo elidonswayo, ipayipi lensimbi elingenamthungo, ipayipi lepayipi nokunye. Ngokusho kuka-t...
-
Insimbi engagqwali eyi-elliptic flat elliptic tube wit...
Incazelo yomkhiqizo Ipayipi lensimbi elingenamthungo elimise okukhethekile lisetshenziswa kabanzi ezingxenyeni ezihlukene zesakhiwo, amathuluzi nezingxenye zemishini. Uma kuqhathaniswa neshubhu eliyindilinga, ishubhu elimise okukhethekile ngokuvamile linomzuzu omkhulu we-inertia kanye ne-modulus yesigaba, ukugoba okukhudlwana nokumelana ne-torsional, kunganciphisa kakhulu isisindo sesakhiwo, konga insimbi. Ipayipi lensimbi elimise okwepayipi lingahlukaniswa libe yi-oval shap ...
-
Ipayipi Elivunyiwe
Incazelo Yemikhiqizo I. Ukwahlukaniswa Okuwumongo: Ukuhlelwa Ngenqubo Yokugalela Ipayipi elinothayela lihlukaniswe ngokuyinhloko izigaba ezimbili: ipayipi elinothayela elinediphu elishisayo kanye nepayipi elinothayela elidiphu elibandayo. Lezi zinhlobo ezimbili zehluka kakhulu ngenqubo, ukusebenza, kanye nokusebenza: • Ipayipi elinothayela lediphu elishisayo (ipayipi elinothayela lediphu elishisayo): Ipayipi lonke lensimbi licwiliswa kuzinc encibilikisiwe, lenze umfaniswano, ...
-
304, 316L ukunemba kwe-capillary ngaphakathi nangaphandle...
Incazelo Yomkhiqizo Ipayipi lensimbi elinembile liwuhlobo lwempahla yepayipi yensimbi enembayo ephezulu ngemva kokuqeda ukudweba noma ukugoqa okubandayo. Ngenxa yezinzuzo zokungabi nongqimba lwe-oxide ezindongeni zangaphakathi nangaphandle ze-tube ekhanyayo ngokunemba, akukho ukuvuza ngaphansi kwengcindezi ephezulu, ukunemba okuphezulu, ukuqeda okuphezulu, ukugoba okubandayo ngaphandle kokuguqulwa, ukuvutha, ukucaba ngaphandle kokuqhekeka nokunye. ...
-
Ukunemba ngaphakathi nangaphandle kweshubhu elikhanyayo
Incazelo yomkhiqizo Ipayipi lensimbi eliqondile liwuhlobo lwempahla yepayipi yensimbi enembayo ngemuva kokuqeda ukudweba noma ukugoqa okubandayo. Ngenxa yezinzuzo zokungabi nongqimba lwe-oxide ezindongeni zangaphakathi nangaphandle ze-tube ekhanyayo ngokunemba, akukho ukuvuza ngaphansi kwengcindezi ephezulu, ukunemba okuphezulu, ukuqeda okuphezulu, ukugoba okubandayo ngaphandle kokuguqulwa, ukuvutha, ukucaba ngaphandle kokuqhekeka nokunye. ...
-
Isikwele sepayipi elingunxande elishiselwe nge-bla...
Incazelo yomkhiqizo Sinikeza amashubhu ensimbi ayindilinga, ayizikwele futhi amise okwensimbi. Impahla, usayizi ungakhethwa ngokuya ngezidingo zamakhasimende. Siphinde futhi sinikeze ngezinsizakalo zokwelashwa okungaphezulu: A. sanding B.400#600# isibuko C. Umdwebo womugqa wezinwele D. umdwebo wezintambo ze-tin-titanium E.HL nesibuko (ama-2 aqeda ishubhu elilodwa). 1. Ukugoqa okushisayo, ukugoqa okubandayo noma ubuchwepheshe bokudweba okubandayo. 2. Isigaba esingenalutho, isisindo esilula, ukucindezela okuphezulu....