Ukukhetha ngokuchanekileyo imibhobho yentsimbi engenamthungo ngokwenene kunolwazi olukhulu!

Zithini iimfuno zokukhetha imibhobho yentsimbi engenamthungo yokuthutha ulwelo olusetyenziswa kakhulu kushishino lwethu lweenkqubo? Jonga isishwankathelo sabasebenzi bethu bemibhobho yoxinzelelo:

Iipayipi zentsimbi ezingenamthungo ziipayipi zentsimbi ezingenazo ii-welds ezenziwe ngeendlela zonyango olushushu ezifana nokubhoboza kunye nokuqengqeleka okushushu.

Ukuba kuyimfuneko, umbhobho wokucoca oshushu ungatsalwa ngokubandayo ukuya kwimo, ubungakanani kunye nokusebenza okufunekayo. Okwangoku, imibhobho yentsimbi engenamthungo (DN15-600) yeyona mibhobho isetyenziswa kakhulu kwizixhobo zokuvelisa iikhemikhali.

(一) Umbhobho wentsimbi yeCarbon engenamthungo

Ibanga lentsimbi yezinto ezibonakalayo: 10#、20#、09MnV、16Mnkwiintlobo ezi-4

Umgangatho:

Umbhobho weNtsimbi engenamthungo we-GB8163 weNkonzo yoLwelo

GB/T9711 Imizi-mveliso yepetroli negesi yendalo—Iipayipi zentsimbi zeenkqubo zothutho lwemibhobho

Ipayipi yentsimbi engenamthungo ye-GB6479 yoxinzelelo oluphezulu yezixhobo zesichumiso”

Iityhubhu zentsimbi ezingenamthungo ze-GB9948 zokuqhekeka kwepetroliyam

Umbhobho wentsimbi engenamthungo we-GB3087 webhoyila yoxinzelelo oluphantsi noluphakathi

Iityhubhu zentsimbi ezingenamthungo ze-GB/T5310 kunye neepayipi zebhoyila yoxinzelelo oluphezulu

GB/T8163:Izinto zentsimbi Udidi: 10#, 20#, Q345, njl.

Ububanzi bokusetyenziswa: ioyile, ioyile negesi kunye neendaba zikawonke-wonke ezinobushushu obungaphantsi kwama-350℃ kwaye uxinzelelo lungaphantsi kwe-10MPa.

GB6479: Intsimbi yezinto ezibonakalayo Udidi: 10#, 20G, 16Mn, njl.

Ububanzi besicelo: ioyile negesi enobushushu boyilo -40～400℃ kunye noxinzelelo loyilo 10.0～32.0MPa.

GB9948:

Intsimbi yezixhobo Udidi: 10#, 20#, njl.

Ububanzi bokusetyenziswa: amaxesha apho umbhobho wentsimbi we-GB/T8163 ungafanelekanga.

GB3087:

Intsimbi yezixhobo Udidi: 10#, 20#, njl.

Ububanzi bokusetyenziswa: umphunga oshushu kakhulu kunye namanzi abilayo kwiibhoyila eziphantsi neziphakathi.

GB5310:

Intsimbi yezixhobo Ibanga: 20G njl.njl.

Ububanzi besicelo: i-medium eshushu kakhulu yomphunga yebhoyila yoxinzelelo oluphezulu

Uhlolo: Ngokubanzi imibhobho yentsimbi yokuthutha ulwelo kufuneka ihlolwe ngokwemichiza, ivavanywe ngokutsalwa, ivavanywe ngokutyibilikayo kunye novavanyo lwe-hydraulic. Imibhobho yentsimbi eqhelekileyo ye-GB5310, GB6479, kunye ne-GB9948, ukongeza kuvavanyo olumele lwenziwe kwimibhobho yentsimbi yokuthutha ulwelo, uvavanyo lokuvutha kunye novavanyo lokuchaphazeleka nazo ziyafuneka; iimfuno zokuhlolwa kokuveliswa kwezi mibhobho zintathu zentsimbi zingqongqo kakhulu. Umgangatho we-GB6479 ukwanika iimfuno ezikhethekileyo zokuqina kwempembelelo ephantsi kobushushu bezinto. Ukongeza kwiimfuno zovavanyo oluqhelekileyo lweemibhobho zentsimbi zokuthutha ulwelo, imibhobho yentsimbi yomgangatho we-GB3087 ikwafuna uvavanyo lokugoba okubandayo. Imibhobho yentsimbi eqhelekileyo ye-GB/T8163, ukongeza kwiimfuno zovavanyo oluqhelekileyo lweemibhobho zentsimbi zokuthutha ulwelo, ngokwesivumelwano ifuna uvavanyo lokwandiswa kunye novavanyo lokugoba okubandayo. Iimfuno zokuvelisa zezi ntlobo zimbini zeetyhubhu azingqongqo njengeentlobo ezintathu zokuqala.

Ukwenziwa: Imibhobho yentsimbi eqhelekileyo ye-GB/T8163 kunye ne-GB3087 inyibilikiswa kakhulu kwiziko elivulekileyo okanye kwi-converter, kwaye ukungcola kwayo kunye neziphene zangaphakathi zikhulu kakhulu. I-GB9948 ikakhulu isebenzisa ukunyibilikisa i-furnace yombane. Uninzi lwayo lujoyine inkqubo yokucoca ngaphandle kwesithando, kwaye ukwakheka kunye neziphene zangaphakathi zincinci kakhulu. Imigangatho ye-GB6479 kunye ne-GB5310 ngokwayo ichaza iimfuno zokucocwa ngaphandle kwesithando, kunye nokwakheka okuncinci kunye neziphene zangaphakathi, kunye nomgangatho ophezulu wezinto.

Ukhetho: Ngokubanzi, umbhobho wentsimbi oqhelekileyo we-GB/T8163 ufanelekile kwi-oyile, ioyile kunye negesi kunye nemidiya yoluntu enobushushu boyilo obungaphantsi kwe-350°C kunye noxinzelelo olungaphantsi kwe-10.0MPa; kwimidiya yeoyile, ioyile kunye negesi, xa ubushushu boyilo bungaphezulu kwe-350°C Okanye xa uxinzelelo lungaphezulu kwe-10.0MPa, kufuneka kusetyenziswe imibhobho yentsimbi eqhelekileyo ye-GB9948 okanye ye-GB6479; kwimibhobho esebenza kwi-hydrogen, okanye imibhobho esebenza kwiindawo ezinobungozi bokugqwala, kufuneka kusetyenziswe nemigangatho ye-GB9948 okanye ye-GB6479. Zonke iipayipi zentsimbi yekhabhoni ezisetyenziswa kumaqondo obushushu aphantsi (ngaphantsi kwe--20°C) kufuneka zamkele umgangatho we-GB6479, kwaye kuphela yiyo echaza iimfuno zokuqina kwempembelelo yobushushu obuphantsi bezinto. Imigangatho ye-GB3087 kunye ne-GB5310 yimigangatho emiselwe ngokukodwa kwimibhobho yentsimbi yebhoyila. "Imithetho Yokugada Ukhuseleko Lwebhoyila" igxininisa ukuba zonke iipayipi eziqhagamshelwe kwibhoyila ziphantsi kolawulo, kwaye ukusetyenziswa kwezixhobo kunye nemigangatho kufuneka kuhambelane neemfuno ze "Mithetho Yokugada Ukhuseleko Lwebhoyila". Ke ngoko, zisetyenziswa kwiibhoyila, kwizitishi zamandla, kwiindawo zokuvelisa ukufudumeza kunye neekhemikhali. Zonke iipayipi zomphunga zikawonke-wonke (ezibonelelwa yinkqubo) kufuneka zamkele imigangatho ye-GB3087 okanye ye-GB5310. Kubalulekile ukuqaphela ukuba ixabiso leepayipi zentsimbi ezinemigangatho yepayipi yentsimbi esemgangathweni liphezulu. Umzekelo, ixabiso le-GB9948 liphantse libe yi-1/5 ephezulu kunexabiso lezixhobo ze-GB8163. Ke ngoko, xa kukhethwa imigangatho yezinto zepayipi yentsimbi, kufuneka kuqwalaselwe ngokubanzi iimeko zokusetyenziswa, ekufuneka zithembeke kwaye zibe zezonga imali. Kufuneka kuqatshelwe ukuba imibhobho yentsimbi ngokwemigangatho ye-GB/T20801 kunye ne-TSGD0001, GB3087 kunye ne-GB8163 ayizukusetyenziswa kwimibhobho ye-GC1 (ngaphandle kokuba enye nganye i-ultrasonic, umgangatho awukho ngaphantsi kwe-L2.5, kwaye ingasetyenziselwa i-GC1 enoxinzelelo loyilo olungekho ngaphezu kombhobho we-4.0Mpa).

（二）Umbhobho wentsimbi engenamthungo ophantsi we-alloy pipe

Kwizixhobo zokuvelisa iikhemikhali, imigangatho yemibhobho yentsimbi engenamthungo esetyenziswa rhoqo yi-GB9948 “Imbhobho yentsimbi engenamthungo yokuqhekeka kwepetroliyam” GB6479 “Imbhobho yentsimbi engenamthungo enoxinzelelo oluphezulu yezixhobo zesichumiso” GB/T5310 “Imbhobho yentsimbi engenamthungo yebhoyila enoxinzelelo oluphezulu》I-GB9948 iqulethe amanqanaba ezinto zentsimbi ye-chromium-molybdenum: 12CrMo, 15CrMo, 1Cr2Mo, 1Cr5Mo, njl. Amanqanaba ezinto zentsimbi ye-chromium-molybdenum aqukwe kwi-GB6479: 12CrMo, 15CrMo, 1Cr5Mo, njl. I-GB/T5310 iqulethe intsimbi ye-chromium molybdenum kunye namanqanaba ezinto zentsimbi ye-chromium molybdenum vanadium: 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12Cr1MoVG, njl. Phakathi kwazo, esetyenziswa kakhulu yi-GB9948, jonga apha ngasentla ukuze ufumane iimeko zokukhetha.

(三) Umbhobho wentsimbi engenamthungo

Imigangatho yemibhobho yentsimbi engenamthungo esetyenziswa rhoqo yile:

Kukho imigangatho emihlanu: GB/T14976, GB13296, GB9948, GB6479, kunye neGB5310. Phakathi kwayo, zimbini okanye zintathu kuphela iiklasi zezinto zentsimbi engagqwaliyo ezidweliswe kwimigangatho emithathu yokugqibela, kwaye azisetyenziswa rhoqo kwiiklasi zezinto.

Ke ngoko, xa kusetyenziswa imigangatho yemibhobho yentsimbi engenasici engenamthungo kubunjineli, imigangatho ye-GB/T14976 kunye ne-GB13296 isetyenziswa ngokusisiseko.

GB/T14976 “Umbhobho wentsimbi engenamthungo yentsimbi engenasici yokuthutha ulwelo”:

Amanqanaba ezinto: 304, 304L kunye nezinye iintlobo ezili-19 zifanelekile ukuthuthwa kolwelo ngokubanzi.

GB13296 “Iityhubhu zentsimbi engenamthungo zentsimbi engenasici zeebhoyila kunye nezitshintshi zobushushu”:

Amanqanaba ezinto: 304, 304L kunye nezinye iintlobo ezingama-25.

Phakathi kwazo, intsimbi engagqwaliyo enekhabhoni esezantsi kakhulu (304L, 316L) inokumelana okuhle nokugqwala. Phantsi kweemeko ezithile, ingathatha indawo yentsimbi engagqwaliyo ezinzileyo (321, 347) ukuze ikwazi ukumelana nokugqwala kwimidiya; intsimbi engagqwaliyo enekhabhoni esezantsi kakhulu ineempawu zoomatshini eziphantsi zobushushu obuphezulu, ngokubanzi isetyenziswa kuphela kumaqondo obushushu angaphantsi kwama-525℃; intsimbi engagqwaliyo enekhabhoni ezinzileyo ineempawu zoomatshini eziqinileyo zokugqwala kunye nezoomatshini ezishushu kakhulu, kodwa i-Ti kwi-321 inyibilikiswa kwaye ilahleke lula ngexesha lokuwelda, ngaloo ndlela inciphisa ukusebenza kwayo kokulwa nokugqwala, ixabiso layo liphezulu, olu hlobo lwezinto lusetyenziswa rhoqo kwiimeko ezibaluleke ngakumbi, i-304, 316 inokusebenza ngokubanzi kokulwa nokugqwala, ixabiso liphantsi, ngoko ke isetyenziswa kakhulu.