A335 P92(dabere na ọkwa ọkọlọtọ nke ndị China 10Cr9MoW2VNbBN) bụ ígwè na-eguzogide okpomọkụ nke ọgbọ ọhụrụ nke e mepụtara site naP91Site n'itinye tungsten (W) na 9% ígwè chromium na ịbawanye nha nha molybdenum (Mo+0.5W) site na ihe dị ka 1% na P91 ruo ihe dị ka 1.5%, arụmọrụ okpomọkụ dị elu nke ihe ahụ emeela ka ọ dịkwuo mma nke ukwuu.

Ebe ngwa bụ isi gụnyere:

Mmepụta Ike Okpomọkụ nke dị oke oke: P92 bụ isi ihe maka ọkpọkọ uzuoku bụ isi na ọkpọkọ uzuoku ọzọ na nkeji 1000MW nke dị oke oke oke oke, yana okpomọkụ kachasị elu nke 625°C. Na 600°C, nrụgide a na-ekwe ka imewe ruo 128MPa, yana ike ịrị elu okpomọkụ≥100MPa. Ike mgbawa ya dị elu nke na-agbawa n'okpomọkụ dị ihe dị ka pasentị 30 karịa P91, ebe otu nde kilogram nke otu nkeji na-eri ihe ruru tọn 800.

Ihe Ndị Dị Mkpa Maka Boiler: A na-ejikarị ya eme ihe n'elu ihe ndị na-eme ka boiler dị nro, ihe ndị na-ekpo ọkụ dị elu, ihe ndị na-ekpo ọkụ, na akụkụ nrụgide ndị ọzọ. Ọ bụ otu n'ime ọkwa ígwè a na-ahọrọ maka imepụta akụrụngwa ọkụ dị elu ma n'ime obodo ma n'ụwa niile.

Ụlọ Ọrụ Petrochemical: A na-etinye ya na pipelines hydrogenation reactor, tubes ọkụ na-agbawa agbawa, na sistemụ okpomọkụ na nrụgide ndị ọzọ dị elu.

Ike nuklia: A na-ejikwa ya na sistemụ ọkpọkọ nke abụọ nke ụlọ ọrụ ike nuklia nke ọgbọ nke atọ dịka AP1000.

Ma e jiri ya tụnyere ígwè anaghị agba nchara austenitic, P92 na-enye uru dịka iguzogide nchara siri ike, ike ikuku okpomọkụ dị elu, na obere oke mgbasawanye okpomọkụ.

II. Ụlọ ọrụ igwe ígwè e ji arụ ọrụ n'ime ụlọ nwere uru asọmpi

Mmepe nke ígwè P92 siri ike, nke chọrọ nnukwu ụkpụrụ n'ihe gbasara nhazi na njikwa mmepụta. Ugbu a, naanị obere ọnụọgụgụ nke igwe igwe ígwè e ji eme ihe n'ụlọ enwetala ikike mmepụta kwụsiri ike.

1. Otu Beizhong—Onye Ndú Ahịa

Beizhong Group nwere ihe karịrị pasentị iri asatọ n'ahịa n'ime ngalaba paịpụ ígwè P92 nke obodo. Ngwaahịa ha gafere ihe ngosi nyocha iri abụọ na asatọ, ihe ndị ha rụzuru na teknụzụ enwetala ihe nrite mbụ nke China Electric Power Science and Technology Innovation. Otu a enwetala mkpuchi zuru oke site naΦ89 ruoΦ813, nwere ndekọ dị ukwuu nke injinia n'inye nnukwu ọkpọkọ anọ maka nkeji dị oke mkpa.

2. Otu Yonggang—Uru dị na Mmepụta Billet

Yonggang Group mepụtara SA335 P92 nke ọma na 2017 ma ugbu a, ha nwere ike imepụta billets gburugburu na-aga n'ihu na nkọwapụta site naφ380mm gaaφ800mm, nke na-eme ka ọ bụrụ ihe kacha mma n'ahịa billet buru ibu n'ime obodo. Ngwaahịa billet gburugburu P91, P92, na ngwaahịa billet gburugburu ndị ọzọ dị elu nwere ọkwa ahịa kachasị elu na China. Na mgbakwunye, ahọpụtara ya dị ka ụlọ ọrụ mmepụta ihe ngosi nka nke ọkwa mba, na-eme ka njikwa mma ngwaahịa na nhazi ọnụ ahịa na-aga n'ihu.

3. Ngwa nuklia Hebei Hongrun—Ngwa na Usoro Pụrụ Iche

Ụlọ ọrụ Hongrun Nuklia na-eji igwe e ji eme ihe nke nwere tọn 50,000 kwụ ọtọ iji mepụta paịpụ ígwè P92 buru ibu nke nwere dayameta na-enweghị ntụpọ. Site na njikọ aka ya na Baowu Special Steel, ọ na-eji ígwè dị elu eme ihe, nke na-eme ka ngwaahịa nwee nhazi siri ike na arụmọrụ dị mma. Paịpụ ígwè P92 ya agafeela asambodo ngwaahịa site na National Power Equipment Center, yana ihe ngosi arụmọrụ niile na-emezu ihe achọrọ maka ọkọlọtọ GB/T 5310 na ASME SA335.

4. Ndị Mmepụta Ndị Ọzọ

Baosteel Special Steel, Tianguan Group, Xinxing Ductile Iron, na ụlọ ọrụ ndị ọzọ enwetawokwa nkwenye mmepụta nke ngwaahịa ndị metụtara P92, na-akwalite usoro nhazi nke ihe a.

III. Uru asọmpi zuru oke

Uru asọmpi nke igwe ígwè dị n'ime ụlọ na ngwaahịa P92 na-egosipụtakarị na: nke mbụ, mbelata nke ukwuu ọnụ ahịa ịzụrụ ihe site na nnọchi mbubata; nke abụọ, mmezi mma nke ngwaahịa nke mgbanwe ọgụgụ isi na dijitalụ na-akwalite (dịka ọmụmaatụ, ọrụ ụlọ ọrụ mmepụta ihe mara mma nke Yonggang nwetara mmụba arụmọrụ mmepụta karịrị 12% na mbelata ọnụego ntụpọ 15.7%); na nke atọ, ọganihu na-aga n'ihu na nkọwapụta dị elu dị ka nnukwu dayameta na ọkpọkọ mgbidi dị arọ, na-ebelata ntụkwasị obi na mbubata nwayọ nwayọ.