Amapayipi ensimbi anomfutho ophezulu wegazi: ikakhulukazi asetshenziselwa ukwakha insimbi yesakhiwo sekhabhoni yekhwalithi ephezulu, insimbi yesakhiwo sengxubevange, kanye namapayipi ensimbi angenamthungo angangeni ekushiseni kumapayipi esitimu esibhayela sokucindezela okukhulu nangaphezulu.Lawa mapayipi obhayela aklanyelwe ukusebenza ngaphansi kwamazinga okushisa aphezulu nokucindezela., amapayipi azophinde athole i-oxidation kanye nokugqwala ngaphansi kwesenzo segesi yokushisa ephezulu yokushisa kanye nomhwamuko wamanzi.Ngakho-ke, amapayipi ensimbi ayadingeka ukuba abe namandla ahlala njalo, ukumelana ne-oxidation ephezulu, nokuzinza okuhle kwenhlangano.Amamaki ensimbi asetshenzisiwe yilawa: izinga eliphezulu lekhabhoni Amamaki ensimbi yesakhiwo yi-20G, 20MnG, 25MnG;i-alloy structural steel amamaki yi-15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, njll.;insimbi egqwalile futhi imelana nokushisa evame ukusetshenziswa 1Cr18Ni9, 1Cr18Ni11Nb amashubhu kabhayela wokucindezela okuphezulu aqinisekisa ukwakheka kwamakhemikhali kanye nezakhiwo zemishini.Ukwengeza, ukuhlolwa kwengcindezi ye-hydraulic kufanele kwenziwe ngamunye ngamunye, futhi ukuhlolwa kokwandisa nokunciphisa kufanele kwenziwe.Amapayipi ensimbi ahanjiswa ezimweni eziphethwe ukushisa.Ngaphezu kwalokho, kunezidingo ezithile ze-microstructure, usayizi wokusanhlamvu, kanye nongqimba lwe-decarburization lwepayipi lensimbi eliqediwe.Amapayipi ensimbi angenamthungo wokumba i-geological kanye nokulawula ukumba uwoyela;imishini yokumba isetshenziselwa ukumba imithombo ukuhlola izakhiwo zamadwala angaphansi komhlaba, amanzi angaphansi komhlaba, uwoyela, igesi yemvelo, kanye nemithombo yamaminerali.Ukuxhashazwa kukawoyela negesi yemvelo akunakuhlukaniswa nokumbiwa kwemithombo.Amapayipi ensimbi angenamthungo okumba uwoyela okulawula ukubhola kwe-geological ayinto eyinhloko yokumba, ikakhulukazi okuhlanganisa amapayipi angaphakathi, amapayipi angaphakathi, amapayipi, amapayipi okubhoboza, njll. izimo zokusebenza ziyinkimbinkimbi kakhulu.Amapayipi okubhoboza angaphansi kwengcindezi efana nokushuba, ingcindezi, ukugoba, ukugoqa, kanye nemithwalo engalingani, kanye nokuguga kodaka namatshe.Ngakho-ke, amapayipi ayadingeka ukuze Kufanele abe namandla anele, ubulukhuni, ukumelana nokugqoka, kanye nokuqina komthelela.Insimbi esetshenziselwa amapayipi ensimbi imelelwa i-“DZ” (isiqalo se-pinyin sesiShayina se-geology) kanye nenombolo yokuqala ukumela iphoyinti lokukhiqiza insimbi.Amamaki ensimbi asetshenziswa ngokuvamile ahlanganisa i-DZ45 45MnB kanye ne-50Mn;I-DZ50's 40Mn2, 40Mn2Si;I-DZ55's 40Mn2Mo, 40MnVB;I-DZ60's 40MnMoB, DZ65's 27MnMoVB.Amapayipi ensimbi ahanjiswa ezimweni eziphethwe ukushisa.Amashubhu aqhekeka uphethiloli: Amashubhu angenamthungo wamashubhu esithandweni somlilo, amashubhu okushintsha ukushisa, namapayipi ezindaweni zokuhluza i-petroleum.Okuvame ukusetshenziswa yi-carbon steel yekhwalithi ephezulu (10, 20), i-alloy steel (12CrMo, 15CrMo), insimbi engashisi (12Cr2Mo, 15Cr5Mo), insimbi engagqwali (1Cr18Ni9, 1Cr18Ni9Ti).Ngaphezu kokuqinisekisa ukwakheka kwamakhemikhali kanye nezakhiwo ezihlukahlukene zemishini yamapayipi ensimbi, amapayipi ensimbi kufanele futhi aqinisekise ukucindezela kwamanzi, ukucaba, ukuvutha, nokunye ukuhlola, kanye nekhwalithi yangaphezulu nokuhlola okungabhubhisi.Amapayipi ensimbi ahanjiswa ezimweni eziphethwe ukushisa.Amapayipi ensimbi engagqwali: Amapayipi ensimbi engagqwali agoqelwe ashisayo nagoqwe ngokubanda enziwe ngezinsimbi ezihlukahlukene ezingenasici asetshenziswa kakhulu kumapayipi emishini kaphethiloli namakhemikhali kanye nezingxenye zesakhiwo sensimbi engagqwali ngezinjongo ezihlukahlukene.Ngaphezu kokuqinisekisa ukwakheka kwamakhemikhali kanye nezakhiwo zemishini, noma yiliphi ipayipi lensimbi elisetshenziselwa ukumelana nokucindezela koketshezi liyadingeka ukuze kuqinisekiswe ukuthi ukuhlolwa komfutho we-hydraulic kuyafaneleka.Amapayipi ensimbi ahlukahlukene akhethekile kufanele aqinisekise izimo ngokuvumelana nemithethonqubo.
Isikhathi sokuthumela: Oct-16-2023