Muri make Intangiriro yubushyuhe bwo kurwanya ibyuma byo gusudira ibyuma bya Chromium Molybdenum

Gutezimbere ibyuma birwanya ubushyuhe ferritic
Ongera Cr-1.25Cr kugeza 12Cr
Ongeraho V, Nb, Mo, W, Co, nibindi

Iterambere ryicyuma cya ferritic irwanya ubushyuhe

Icyitonderwa:
Dukurikije imigenzo mpuzamahanga, icyitwa pearlite, bainite, na martensitike irwanya ubushyuhe mu byuma no mu miyoboro rusange hamwe byitwa "ibyuma birwanya ubushyuhe bwa ferritic".

Hamwe n’imihindagurikire y’imiterere y’ingufu z’igihugu cyanjye no kunoza iyubakwa ry’amashanyarazi, gukora neza, isuku, n’ibidukikije byangiza ibidukikije binini kandi bifite ibipimo byinshi byiganje. Mu kongera ibipimo byamazi (umuvuduko nubushyuhe), birashobora kuzamura neza ubushyuhe bwumuriro wigice, kugabanya ikoreshwa ryamakara, no kugabanya imyuka ihumanya ikirere. Kugeza ubu, inzira nyamukuru yo kunoza imikorere yingufu zamashanyarazi nugutezimbere ibipimo byamazi no guteza imbere supercritical (SC) hamwe na ultra-supercritical (USC). Kugeza ubu, hari amashanyarazi arenga miliyoni 100-kilowatt ultra-supercritical (USC) yashyizwe mu bikorwa mu gihugu cyanjye, iza ku mwanya wa mbere ku isi mu bwinshi no mu bushobozi bwose.

Imibare n’iteganyagihe ry’ikoreshwa ry’amakara mu Bushinwa kuva mu 2010 kugeza 2020

2.Ibikoresho byinshi bya Chromium Molybdenum Ibicuruzwa byo gusudira

Imbonerahamwe 2 Imikorere yerekana pearlitike ihagarariye ubushyuhe bwa electrode

Icyitonderwa:
1. Isosiyete yacu yateje imbere EXXXX-15, EXXXX-16, EXXXX-18 hamwe nandi mashusho yerekana amashanyarazi ya electrode yo mu cyiciro kimwe kugirango ihuze ibyifuzo bitandukanye ku isoko. Ibyavuzwe haruguru byerekana gusa imikorere ya electrode ya EXXXX-15.

3.2 Urutonde rwa subcritical na super (ultra) zikomeye ferritic / martensitike irwanya ubushyuhe bwa electrode

Imikorere ya electrode

Icyitonderwa:

1. Ugereranije na GER-91 (ubwoko bwibanze bwinzibacyuho), ifite inyungu nziza mubukungu kandi ni super yacu Ibicuruzwa nyamukuru byibikoresho byo gusudira kumashanyarazi yumuriro udasanzwe.

3.Icyiciro cya 2015 cyibipimo bya ASME bisaba E9015-B91 electrode Mn + Ni≤1.4%, naho verisiyo ya 2017 isaba ≤1.2% kubyuma fatizo. . Kugirango duhuze isoko, E9015-B91 na E9015-B92 inkoni zo gusudira zateje imbere ubwoko bubiri bwibikoresho byo gusudira: Mn + Ni≤1.4% na Mn + Ni≤1.2%. Kuberako ibyanyuma bifite isoko ryinshi, ibyavuzwe haruguru byerekana 91/92 electrode yashyizwe mubyuma Mn + Ni≤1.2%.

4. Kwerekana isuzuma ryibikorwa bya ultra-supercritical electrode
4.1 Gutunganya ibyangombwa bya P91 / 92 byahujwe

6. Ibyiza nibiranga ibyuma byacu birwanya ubushyuhe bwa electrode ya chrome-molybdenum

1. Hariho ubwoko bwinshi nubwoko bwose

Ibigize biri hagati ya 0.5% Mo kugeza 9% Cr-3% W-3% Co.
● Koresha ubushyuhe kuva 500 ℃ kugeza 650 ℃.
Colors Amabara atandukanye yo gutwikira hamwe nubwoko butandukanye (EXXXX-15, EXXXX-16, EXXXX-18) birashobora gukoreshwa mubihe bitandukanye (ubwoko rusange, ubwoko bukomeye bwingufu za arc kumiyoboro yubaka amashanyarazi).
● Irashobora kuzuza ibisabwa byo gusudira ibyuma byinshi bya Cr-Mo.

2. Imikorere myiza
Ibikoresho byubukorikori buhebuje, imikorere yubushyuhe bwo hejuru (ubushyuhe bwo hejuru cyane hamwe nubushyuhe bwo hejuru).

3. Ubukorikori bwiza
Electrode ifite ubuhanga buhebuje mumyanya yose, gutwika neza arc, gukomera kwiza nimbaraga zikomeye, spatter nto, amazi meza, imiterere myiza yo gusudira, hamwe no gukuraho byoroshye nyuma yo gusudira.

4. Inganda ziyobora
Yafatanije n’ikigo cya Suzhou gishinzwe ubwubatsi bw’ubushyuhe, anatsinda isuzuma rya “T / P 91/92 Inama y’isuzuma ry’ibanze” mu 2015, anafatanya n’amashanyarazi akomeye yo mu gihugu nka Shenhua Guohua n’ikigo rusange cy’ubushakashatsi n’icyuma kugira ngo bateze imbere 650 ° C. G115 ibyuma bifasha ibikoresho byo gusudira hamwe nibikorwa, kandi ikora inama nyinshi zo gusudira zikoreshwa.

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