I-Pearlite Heat-Resistant 12CR 1movg High Pressure Alloy Tube
I-matrix iyinsimbi engaphansi kwe-alloy ekwazi ukumelana nokushisa ene-pearlite noma isakhiwo se-bainite. Kukhona ikakhulukazi uchungechunge lwe-chromium-molybdenum ne-chromium-molybdenum-vanadium. Kamuva, kuye kwathuthukiswa amazinga amaningi (njenge-chromium, i-tungsten, i-molybdenum, i-vanadium, i-titanium, i-boron, njll.), futhi ukuqina kanye nezinga lokushisa kwensimbi kuye kwanda kancane kancane. Kodwa ngokuvamile inani eliphelele lezakhi ze-alloying lingaphezu kuka-5%, futhi isakhiwo salo sihlanganisa insimbi ye-bainitic ngaphezu kwe-pearlite. Lolu hlobo lwensimbi lunamandla amahle okukhasa okushisa okuphezulu nokusebenza kwenqubo ku-450～620℃, futhi linomoya omuhle oshisayo, i-coefficient ephansi yokunwetshwa kanye nenani eliphansi. Isetshenziswa kabanzi ukwenza izinto ezahlukahlukene zesakhiwo ezimelana nokushisa ebangeni lika-450℃～620℃. Okufana namapayipi ensimbi eboiler eziteshini zamandla, ama-steam turbine impellers, ama-rotor, ama-fasteners, imikhumbi enengcindezi ephezulu yokuhluza uwoyela kanye nezimboni zamakhemikhali, ama-boilers okushisa imfucuza, amashubhu okushisa okushisa namashubhu okushintsha ukushisa, njll.
[1] Insimbi yamapayipi ensimbi anengxubevange ephansi ekwazi ukumelana nokushisa.
Isetshenziswa kakhulu njengezindonga zamanzi ezibhayela, izifudumezi ezinkulu, izifudumezi kabusha, ezomnotho, izihloko namapayipi esitimu, kanye namashubhu okushintshanisa ukushisa kwamandla e-petrochemical nawenuzi. Impahla iyadingeka ukuze ibe nomkhawulo ophezulu wokukhasa, amandla ahlala isikhathi eside kanye nepulasitiki ehlala isikhathi eside, ukumelana okuhle kwe-oxidation nokumelana nokugqwala, ukuzinza okwanele kwesakhiwo kanye nokushisela okuhle kanye nezindawo zokucubungula ezishisayo nezibandayo. Impilo yesevisi eklanyelwe ifinyelela emahoreni angu-200,000. Izinhlobo eziphambili e-China yi-12CrMo, 15CrMo, 12Cr2Mo, 12CrlMoVG high-pressure alloy tubes, kanye ne-12Cr2MoWVTiB, asetshenziswa ebangeni elingu-480～620℃. I-normalizing kanye ne-temering ngokuvamile isetshenziselwa ukwelashwa kokushisa.
[2] Insimbi yamapuleti esitsha anomfutho ophezulu.
Embonini ye-petrochemical, i-gasification yamalahle, iziteshi zamandla enuzi kanye neziteshi zamandla, amapuleti ensimbi angamelana nokushisa aphansi asetshenziswa kabanzi ukwenza imikhumbi yokucindezela. Izinhlobo eziyinhloko e-China ngamapayipi angu-15CrMoG high-pressure alloy (1.25Cr-O.5Mo), 12Cr2Mo (2.25Cr-1Mo) kanye ne-12Cr1MoV, njll. Isibonelo, ama-hot-wall hydrogenation reactors asebenzisa kakhulu amapuleti ensimbi angu-2.25Cr-1Mo) (25-150mm). ), ngoba imishini ibisebenza ngaphansi kwezimo zokushisa okuphezulu, ukucindezela okukhulu nokumelana ne-hydrogen isikhathi eside, ngenkathi kucatshangelwa ukuvimbela i-embrittlement ku-475 ° C, impahla iyadingeka ukuba ibe nokuhlanzeka okuphezulu, kanye nesibabule ne-phosphorus. kulindeleke ukuthi ibe ngaphansi kuka-0.01% kanye nethayela eliphansi kakhulu, Izakhi eziyingozi njenge-antimony ne-arsenic zidinga ukuncibilikiswa kwesithando somlilo sikagesi nokucwengisiswa kwangaphandle.
[3]Insimbi yezinsimbi.
Insimbi ye-Fastener iyinto eyinhloko edlala indima ekuxhumekeni kwezinjini zomusi, ama-boilers nezinye izinto ezisetshenziswayo zokucindezela okuphezulu. Idinga umkhawulo owanele wesivuno, ukuzinza okuphezulu kokuphumula, ipulasitiki enhle ehlala isikhathi eside kanye nokuzwela okuncane okuhlala isikhathi eside. Ukumelana ne-oxidation nokusebenza okuhle kokusika. Imikhiqizo ephambili e-China yi-25Cr2Mo, 25Cr2MoV, 25Cr2Mo1V, 20Cr1M01VNbTiB, njll., engasetshenziswa ebangeni lika-500℃ 570℃ ngokulandelanayo. Lezi zinhlobonhlobo zivame ukusetshenziswa ngemuva kokushisa nokushisa.
[4] Insimbi ye-rotor (i-spindle, impeller).
I-shaft eyinhloko, i-impeller kanye ne-rotor eyakhiwe ebalulekile ingenye yezingxenye ezibalulekile ze-steam turbine. Izinto ezisetshenziswayo ziyadingeka ukuze zibe nezakhiwo ezinhle ezihlanganisa konke, ukuqina kokuphuka, ukumelana nokukhasa okuphezulu namandla okubekezela, kanye nokumelana nokukhathala okuhle okushisayo. Izinhlobo ezivame ukusetshenziswa ze-spindle ne-impeller e-China yi-35CrMo, 35CrMoV, 27Cr2Mo1V, 12Cr3MoWV, njll. Irotha ye-gas turbine yenziwe ngensimbi engu-20Cr3MoWV. Ukusebenzisa ukwelashwa kokunciphisa nokushisa. Kuma-forgings amakhulu anjengama-rotor akhiwe kanye nama-impellers, ukuze kuncibilike ngokugcwele i-vanadium carbide futhi kuthuthukiswe ipulasitiki kanye nokuqina, ukwelapha okujwayelekile kungenziwa ngaphambi kokucisha, noma inqubo yokwelapha ukushisa okubili okujwayelekile kanye nokushisa kungasetshenziswa.
[5] Insimbi ye-1Cr5Mo ne-Cr6SiMo.
Lawa mabanga amabili anezinto eziphakeme kakhulu zengxubevange kunsimbi ekwazi ukumelana nokushisa kwe-pearlitic. Banokumelana okuhle nokushisa nokumelana nokugqwala emithonjeni ye-petroleum. Asetshenziswa kabanzi ekwakhiweni kwamapayipi nemikhumbi yemishini ye-petroleum distillation, ukushisa amashubhu esithandweni somlilo kanye nama-Heat Exchangers, njll., asetshenziswa futhi njengokufa kwesitembu esishisayo, amaphampu kaphethiloli, ama-valve, ama-boiler hangers nezinye izingxenye. Ngokuvamile izinga lokushisa lokusetshenziswa lingaphansi kuka-650 ℃. Njengoba le nsimbi iyinsimbi eqinile emoyeni, i-weld seam inokuqina okuphezulu kanye nepulasitiki empofu, ngakho kufanele ipholiswe kancane kancane futhi ifakwe ngemuva kokushisela.
Ukuginqika okushisayo (ithubhu lensimbi elingenamthungo elikhishiwe): ishubhu eliyindilinga → ukushisisa → ukubhoboza → ukugoqeka okuphambano kwama-roll amathathu, ukugoqeka okuqhubekayo noma ukukhishwa → ukususwa kweshubhu → ukusika (noma ukunciphisa) → ukupholisa → ishubhu le-billet → ukuqondisa → Ukuhlolwa kokucindezela kwamanzi (noma iphutha ukutholwa) → maka → indawo yokugcina impahla.
Ipayipi lensimbi elibandayo elidonsayo (eligoqiwe) elingenamthungo: ishubhu eliyindilinga billet → ukushisisa → ukubhoboza → isihloko → annealing → pickling → ukugcoba (i-copper plating) → umdwebo obandayo onamaphase amaningi (ukugoqeka okubandayo) → ishubhu le-billet → ukwelashwa kokushisa → ukuqondisa → Ukuhlolwa kwengcindezi yamanzi (ukutholwa kwamaphutha) → maka → indawo yokugcina impahla.
I-GB/T8162-2008 (ipayipi lensimbi elingenamthungo lesakhiwo). Isetshenziselwa ikakhulukazi isakhiwo esijwayelekile kanye nesakhiwo semishini. Izinto zayo ezimele (imikhiqizo): i-carbon steel 20, i-45 steel; ingxubevange yensimbi Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, njll.
I-GB/T8163-2008 (Ipayipi lensimbi elingenamthungo lokudlulisa uketshezi). Isetshenziswa kakhulu kwezobunjiniyela nezisetshenziswa ezinkulu zokuthutha amapayipi oketshezi. Izinto ezimele (umkhiqizo) yi-20, Q345, njll.
I-GB3087-2008 (Amashubhu ensimbi angenamthungo amaboilers aphansi naphakathi). Isetshenziswa kakhulu kuma-boilers ezimboni kanye nama-boilers asekhaya ukuthutha amapayipi amanzi anomfutho ophansi naphakathi. Izinto ezimele ziyinsimbi engu-10 no-20.
I-GB5310-2008 (Amashubhu ensimbi angenamthungo wamaboilers anengcindezi ephezulu). Isetshenziselwa kakhulu izinga lokushisa eliphezulu kanye nezihloko zoketshezi ezidluliswayo kanye namaphayiphi kumabhoyili eziteshini zikagesi nasezimbonini zamandla enyukliya. Izinto ezimele i-20G, 12Cr1MoVG, 15CrMoG, njll.
I-GB5312-1999 (I-Carbon steel kanye namapayipi ensimbi e-carbon-manganese angenamthungo emikhumbi). Ikakhulukazi isetshenziselwa amapayipi okucindezela ka-I kanye no-II kumabhayela wasolwandle nama-superheaters. Izinto ezimele zingama-360, 410, 460 amamaki ensimbi, njll.
I-GB6479-2000 (Amapayipi ensimbi angenamthungo wemishini kamanyolo enengcindezi ephezulu). Isetshenziselwa kakhulu ukudlulisa izinga lokushisa eliphezulu kanye namapayipi oketshezi olunomfutho ophezulu kumshini kamanyolo. Izinto ezimele ziyi-20, 16Mn, 12CrMo, 12Cr2Mo, njll.
I-GB9948-2006 (Ipayipi lensimbi elingenamthungo lokuqhekeka kwe-petroleum). Ikakhulukazi isetshenziswa kuma-boilers, kuma-heat exchanger namapayipi oketshezi e-petroleum smelters. Izinto zayo ezimele ziyi-20, 12CrMo, 1Cr5Mo, 1Cr19Ni11Nb, njll.
I-GB18248-2000 (Amashubhu ensimbi angenamthungo wamasilinda egesi). Ikakhulukazi isetshenziselwa ukwenza amasilinda egesi nama-hydraulic ahlukahlukene. Izinto zayo ezimele ziyi-37Mn, 34Mn2V, 35CrMo, njll.
I-GB/T17396-1998 (Amapayipi ensimbi angenamthungo agingqiwe ashisayo ezingxenyekazi ze-hydraulic). Isetshenziswa kakhulu ukwenza izisekelo ze-hydraulic zemayini yamalahle, amasilinda namakholomu, namanye amasilinda namakholomu angama-hydraulic. Izinto zayo ezimele ziyi-20, 45, 27SiMn njalonjalo.
I-GB3093-1986 (Amapayipi ensimbi angenamthungo aphezulu anezinjini zikadizili). Ikakhulu isetshenziselwa ipayipi likawoyela elinengcindezi ephezulu yesistimu yomjovo wenjini ye-diesel. Ipayipi lensimbi ngokuvamile lidonswa ngokubanda, futhi impahla yalo emele i-20A.
I-GB/T3639-1983 (ipayipi lensimbi elingenamthungo elidonsayo elibandayo noma eligoqeke ngokubanda). Isetshenziselwa ikakhulukazi amapayipi ensimbi asetshenziswa ezakhiweni zemishini kanye nemishini ye-carbon pressure edinga ukunemba okuphezulu kwe-dimensional kanye nokuqeda okuhle kwendawo. Izinto zayo ezimele ziyi-20, 45 steel, njll.
I-GB/T3094-1986 (ipayipi lensimbi elingenamthungo elidonsayo elibandayo elinomumo okhethekile). Isetshenziswa kakhulu ukwenza izingxenye ezahlukahlukene zesakhiwo nezingxenye, futhi izinto zayo ziyinsimbi yekhwalithi ephezulu ye-carbon structural kanye nensimbi yesakhiwo se-alloy ephansi.
I-GB/T8713-1988 (Ukunemba kwepayipi lensimbi engenamthungo elingaphakathi kobubanzi bamasilinda omoya kanye ne-pneumatic). Isetshenziswa kakhulu ukwenza amapayipi ensimbi adonswa abandayo noma abandayo agoqelwe angenamthungo anamadayamitha anembile angaphakathi kumasilinda amanzi kanye nawomoya. Izinto zayo ezimele ziyi-20, 45 steel, njll.
I-GB13296-1991 (Amashubhu ensimbi engenamthungo ensimbi yama-boilers kanye nezishintshisi zokushisa). Isetshenziswa kakhulu kuma-boilers, ama-superheaters, ama-heaters, ama-condensers, amashubhu e-catalytic, njll. yamabhizinisi amakhemikhali. Amapayipi ensimbi asebenzisa izinga lokushisa eliphezulu, anomfutho ophezulu, ukumelana nokugqwala. Izinto eziwumelayo ziyi-0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, njll.
I-GB/T14975-1994 (Ipayipi lensimbi engenamthungo yesakhiwo). Isetshenziselwa ikakhulukazi isakhiwo esijwayelekile (umhlobiso wehhotela nezindawo zokudlela) kanye nesakhiwo semishini samabhizinisi amakhemikhali, amelana nokugqwala komkhathi kanye ne-asidi futhi abe namapayipi athile ensimbi anamandla. Izinto zayo ezimele ziyi-0-3Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, njll.
I-GB/T14976-1994 (Ipayipi lensimbi engenamthungo yokuthutha uketshezi). Ikakhulukazi isetshenziselwa amapayipi athutha imidiya ebolayo. Izinto ezimele i-0Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr17Ni12Mo2, 0Cr18Ni12Mo2Ti, njll.
I-YB/T5035-1993 (Amapayipi ensimbi angenamthungo wama-axle casings emoto). Isetshenziswa kakhulu ukwenza insimbi yesakhiwo sekhabhoni ephezulu yekhwalithi ephezulu kanye nensimbi yesakhiwo ehlanganisiwe eyingxube yamapayipi ensimbi engenamthungo egoqelwe emikhono yemoto ye-half-axle kanye namashubhu e-axle yokushayela. Izinto zayo ezimele ziyi-45, 45Mn2, 40Cr, 20CrNi3A, njll.
I-API SPEC5CT-1999 (Casing and Tubing Specification), ihlanganiswe futhi ikhishwe yi-American Petroleum Institute (American Petreleum Instiute, ebizwa ngokuthi "API") futhi isetshenziswa kuzo zonke izingxenye zomhlaba. Phakathi kwazo: I-Casing: ipayipi elisuka endaweni engaphansi liye emthonjeni futhi lisebenza njengolwelwesi lodonga lomthombo. Amapayipi axhunywe ngama-couplings. Izinto eziyinhloko amamaki ensimbi afana ne-J55, N80, ne-P110, kanye namabanga ensimbi afana ne-C90 ne-T95 amelana nokugqwala kwe-hydrogen sulfide. Insimbi yayo yezinga eliphansi (J55, N80) ingafakwa ipayipi lensimbi elishiselwe. I-Tubing: Ipayipi elifakwe ku-casing ukusuka endaweni engaphansi kuya kungqimba kawoyela. Amapayipi axhunywe ngama-couplings noma ngokuhlangene. Indima yeyunithi yokumpompa ukuthutha uwoyela usuka engqimbeni kawoyela ukuya phansi ngepayipi likawoyela. Izinto ezisetshenziswayo eziyinhloko yi-J55, N80, P110, ne-C90, ekwazi ukumelana nokugqwala kwe-hydrogen sulfide, ehlanganiswe futhi yakhishwa yi-American Petroleum Institute, futhi isetshenziswa emhlabeni wonke.
