A ranar 20 ga watan Disamba, dan jaridar ya samu labari daga kamfanin na Gaona na kamfanin binciken karafa da karafa na kasar Sin cewa, kamfanin ya jagoranci yin hadin gwiwa wajen kera Fushun Special Steel da Erzhong Wanhang a karon farko a cikin 'yan kwanakin nan, don samun nasarar yin gwaji-samar da babbar injin injin injin turbine. mutu ƙirƙira a cikin ƙasata a halin yanzu—— Babban GH4706 alloy injin injin injin injin injin, wanda ya dace da amfani a ƙarƙashin yanayin zafi mai ƙarfi Ma'aunin Celsius 650, tare da matakin ƙarfin 1200 MPa, nauyin tan 13.5, da diamita na 2380 mm, ya karya ikon mallakar ƙasashen waje.
A cewar Zhao Guangpu, shugaban aikin bincike kuma mataimakin darektan kwamitin binciken karafa na kwamitin kimiyya da fasaha na Gona, injinan iskar iskar gas masu nauyi na manyan tashoshin samar da wutar lantarki na da fa'ida sosai kamar karfin wutar lantarki, ingancin zafi, karamin girma da nauyi. da ƙarancin ƙazanta. Fasahar kere-kere ta zama matakin fasaha na kasa. , Ɗaya daga cikin mahimman alamomin ƙarfin ƙarfin ƙasa. Mahimman abubuwan da ke cikin zafi na ƙarshen su ne diski ɗaya da biyu (fayafai na injin turbine da jagororin, igiyoyin aiki), waɗanda ke aiki azaman “zuciya” na ɗan adam. Su ne mabuɗin fasaha don kera injin turbin iskar gas da kuma ƙaƙƙarfan ƙaƙƙarfan ƙayyadaddun ƙayyadaddun iskar gas mai nauyi. Nau'in injin turbine mai nauyi mai nauyi yana buƙatar fiye da sa'o'i 100,000 na dogon lokaci mai zafi da sabis na matsananciyar damuwa, kuma yana buƙatar ingantattun kayan ƙarfe na ƙarfe, kamar kamanni, tsarkakakku, ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan tsari, tsarin kayan aiki da aiki; Girman girmansa, kuma diamita da tsinkayarsa bi da bi Ya kai fiye da mita 2.2 da murabba'in murabba'in 4.2, wanda ya ninka diamita na injin turbine faifai sau 4, sau 10 wurin da aka yi hasashe, da nauyi sau 60, da dai sauransu. . Babban fasahar kera na'urori masu girman girman superalloy turbine sun kasance cikin cikakkar toshewa a kasashen waje kuma kasashen Yamma sun mamaye su na dogon lokaci.
Don haka, Zhao Guangpu ya jagoranci tawagar aikin don gudanar da wani jerin bincike na asali da bincike na fasaha, kuma a karshe ya amince da fasahar shirye-shiryen "narke sau uku + maimaituwa mai tayar da hankali + sau biyu mai tayar da hankali" don aiwatar da fasahar shirye-shiryen shirye-shiryen. Ka'idojin kasa da kasa, karya ta hanyar ƙwanƙwasa fasaha na manyan shirye-shiryen faifan faifai na superalloy da aka ci karo da su yayin aiwatar da haɓakawa, kamar fasahar narkewar ƙananan sassa uku. don manyan ingots na ƙarfe tare da ingots masu nauyin fiye da ton 18, da maimaita bacin rai da fasaha mai laushi mai kyau don manyan sanduna masu diamita na 1000 mm, tare da diamita na 2200 Integral mutu ƙirƙira da ƙarancin zafin jiki da samar da fasaha na sarrafa ƙungiyoyi don manyan. sassan farantin sun fi millimita girma. Tawagar aikin ta gudanar da bincike mai zaman kanta da haɓakawa da ƙirƙira ta asali don lahani na ƙarfe kamar babban abun ciki na Nb na abubuwan haɗin gwiwa a cikin GH4706 superalloy, wanda ke da saurin kamuwa da baƙar fata da rarrabuwar tabo. Muhimman abubuwan da ke da zafi a cikin manyan injinan iskar gas na ƙasata su ne “maƙale wuyansa”, wanda ya buɗe hanyar aiwatar da shirye-shiryen manyan naƙasassun manyan na'urori masu amfani da wutar lantarki masu ɗauke da halayen Sinawa masu 'yancin mallakar fasaha.
Bayan tsarin jiki, aikin injin injin turbine ya kai ga buƙatun ƙididdiga na fasaha na irin wannan gami na ƙasashen waje, kuma an sami sakamako mai mahimmanci. Wannan wata muhimmiyar ci gaba ce da kasata ta samu a fagen nakasassu na superalloys, wanda ya sa fasahar shirye-shiryen manyan injin injin injin injina zuwa matakin farko na duniya. A ranar 8 ga Disamba, an gudanar da taron bita na kulli na GH4706 gami da cikakken girman injunan roulette a nan birnin Beijing. Masana sun ba da babban kimantawa, wanda ke nufin cewa an ɗauki wani kwakkwaran mataki zuwa ga ainihin amfani da faifan injin turbine.