Ohun elo ti ọpọn irin alagbara ni epo ati ile-iṣẹ petrokemika
Irin alagbara, irin ni ibamu si akojọpọ kemikali le pin si Cr alagbara, irin, CR-Ni alagbara, irin, CR-Ni-Mo irin alagbara, irin, ni ibamu si awọn aaye ohun elo le ti wa ni pin si egbogi alagbara, irin, atmospheric ipata sooro alagbara, irin, egboogi- oxidation alagbara, irin, Cl – ipata sooro alagbara, irin.Ṣugbọn ipinya ti o wọpọ julọ jẹ ni ibamu si ọna ti irin lati ṣe lẹtọ, ni gbogbogbo le pin si irin alagbara irin ferritic, irin alagbara austenitic, irin alagbara martensitic, irin alagbara duplex ati ojoriro lile alagbara, irin.Ninu awọn ohun elo epo ati awọn ohun elo petrokemika, irin alagbara austenitic, irin alagbara irin ferritic ati ile-iṣẹ irin alagbara irin duplex fun ipin nla.
Ferritic alagbara, irin Cr akoonu ni apapọ laarin 13% -30%, C akoonu jẹ gbogbo kere ju 0.25%, nipasẹ annealing tabi ti ogbo, carbide ni ferritic ọkà aala ojoriro, ki o le se aseyori ipata resistance.Ni gbogbogbo, resistance ipata ti irin alagbara ferritic jẹ kekere ju irin alagbara austenitic ati irin duplex, ṣugbọn ti o ga ju irin alagbara martensitic.Ṣugbọn nitori idiyele iṣelọpọ kekere rẹ ti a fiwera pẹlu irin alagbara irin miiran, nitorinaa, ninu awọn ohun elo kemikali ati awọn ohun elo petrochemical, fun alabọde sooro ipata ati awọn ibeere agbara ko ga ni aaye ipari ohun elo.Gẹgẹ bi ninu epo sulfur, hydrogen sulfide, nitric acid nitric otutu, acid carbonic, hydrogen amonia mother liquor, urea production of high-itutu amonia, urea mother liquor ati vinylon gbóògì ti vinyl acetate, acrylonitrile ati awọn agbegbe miiran ti wa ni lilo pupọ.
Akoonu Cr gbogbogbo ti irin alagbara martensitic wa laarin 13% -17%, ati akoonu C ga julọ, laarin 0.1% ati 0.7%.O ni agbara ti o ga julọ, lile ati resistance resistance, ṣugbọn ipata resistance jẹ kekere.O jẹ lilo ni akọkọ ninu epo epo ati aaye petrokemika ni agbegbe nibiti alabọde ibajẹ ko lagbara, gẹgẹ bi lile giga ati awọn paati fifuye ipa, gẹgẹbi awọn abẹfẹlẹ turbine, awọn boluti ati awọn ẹya miiran ti o ni ibatan ati awọn paati.
Akoonu ti Cr ninu irin alagbara austenitic wa laarin 17% -20%, akoonu ti Ni laarin 8% -16%, ati akoonu ti C jẹ kekere ju 0.12%.Eto austenitic le ṣee gba ni iwọn otutu yara nipa fifi Ni kun lati faagun agbegbe iyipada austenitic.Austenitic alagbara, irin ipata resistance, ṣiṣu, toughness, processing išẹ, alurinmorin išẹ, kekere iwọn otutu išẹ akawe si miiran irin alagbara, irin ni o wa siwaju sii tayọ, ki ohun elo ni orisirisi awọn aaye jẹ tun awọn julọ sanlalu, awọn oniwe-lilo nipa 70% ti lapapọ iye. ti gbogbo irin alagbara, irin.Ni aaye ti epo ati petrokemika, alabọde ibajẹ ti o lagbara ati alabọde iwọn otutu kekere, awọn anfani ti irin alagbara austenitic jẹ tobi, gẹgẹ bi agbara ipata giga, paapaa paati ti inu ninu resistance si agbegbe ipata intergranular, bii awọn ohun elo paarọ ooru / pipe pipe, cryogenic gaasi adayeba liquefied (LNG) opo gigun ti epo, gẹgẹbi urea, eiyan iṣelọpọ sulfur amonia, yiyọ eruku gaasi flue ati ẹrọ desulfurization.
Irin alagbara, irin Duplex ti ni idagbasoke lori ipilẹ ti irin alagbara, irin, akoonu Ni gbogbogbo nipa idaji ohun elo irin alagbara austenitic Ni, dinku iye owo alloy.Austenitic alagbara, irin ni o ni o tayọ ipata resistance ati ki o ga okeerẹ išẹ, o solves ailagbara ti ferritic ati martensitic alagbara, irin ipata resistance, austenitic alagbara, irin agbara ati wọ resistance.Ni aaye ti epo ati petrokemika, o jẹ lilo ni akọkọ ni awọn iru ẹrọ epo ti ita omi ti omi okun, awọn paati ekikan ati ohun elo, ni pataki ni awọn paati sooro ipata.
Irin alagbara, irin ojoriro jẹ nipataki nipasẹ ẹrọ imuduro ojoriro lati gba iṣẹ agbara giga, o tun rubọ resistance ipata tirẹ, nitorinaa o kere si lilo ni alabọde ibajẹ, ni gbogbogbo lo ni iwakusa ẹrọ petrochemical ati awọn ile-iṣẹ miiran.
Ohun elo ti ọpọn irin alagbara ni epo ati ile-iṣẹ petrokemika
Epo ati ile-iṣẹ petrokemika jẹ ile-iṣẹ ọwọn ti ọrọ-aje orilẹ-ede, eyiti o ṣe ipa pataki ninu eto-ọrọ orilẹ-ede.Ni awọn ọdun 20 sẹhin, paipu irin alagbara, irin boya paipu alailẹgbẹ tabi paipu welded ni ipele imọ-ẹrọ iṣelọpọ ti ni ilọsiwaju pupọ.Paipu irin alagbara ti a ṣe nipasẹ diẹ ninu awọn aṣelọpọ ile ti de ipele ti o le rọpo awọn ọja ti a ko wọle patapata, ni mimọ agbegbe ti paipu irin.
Ninu epo epo ati ile-iṣẹ petrokemika, irin alagbara, irin pipe ni a lo ni akọkọ ninu eto gbigbe opo gigun ti epo, pẹlu tube ileru giga ti o ga, fifin, paipu epo epo, paipu gbigbe omi, tube paṣipaarọ ooru ati bẹbẹ lọ.Irin alagbara ni a nilo lati ṣe daradara ni iṣẹ tutu ati acid.
Akoko ifiweranṣẹ: Jun-20-2022