Steam turbine power generation system and low-pressure steam turbine rotor
A steam turbine power generation system, comprising a high-pressure turbine, an intermediate-pressure turbine and a low-pressure turbine, wherein the intermediate-pressure turbine has an inlet steam temperature of 650-720°C, and the low-pressure turbine has an inlet steam temperature of 410-430°C; a...
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| creator | SUGA TAKEO,ISHII RYUICHI,TAKAHASHI TAKEO,FUKUDA MASAFUMI |
| description | A steam turbine power generation system, comprising a high-pressure turbine, an intermediate-pressure turbine and a low-pressure turbine, wherein the intermediate-pressure turbine has an inlet steam temperature of 650-720°C, and the low-pressure turbine has an inlet steam temperature of 410-430°C; and a low-pressure turbine rotor of the low-pressure turbine is made of a heat-resisting steel which contains, in weight percent, C: 0.28 or less, Si: 0.03 or less, Mn: 0.05 or less, Cr: 1.5 to 2.0, V: 0.07 to 0.15, Mo: 0.25 to 0.5, Ni: 3.25 to 4.0, and the balance of Fe, unavoidable impurities and unavoidable gases, and the unavoidable impurities contain, in weight percent, P: 0.004 or less, S: 0.002 or less, Sn: 0.01 or less, As: 0.008 or less, Sb: 0.005 or less, Al: 0.008 or less and Cu: 0.1 or less. |
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and a low-pressure turbine rotor of the low-pressure turbine is made of a heat-resisting steel which contains, in weight percent, C: 0.28 or less, Si: 0.03 or less, Mn: 0.05 or less, Cr: 1.5 to 2.0, V: 0.07 to 0.15, Mo: 0.25 to 0.5, Ni: 3.25 to 4.0, and the balance of Fe, unavoidable impurities and unavoidable gases, and the unavoidable impurities contain, in weight percent, P: 0.004 or less, S: 0.002 or less, Sn: 0.01 or less, As: 0.008 or less, Sb: 0.005 or less, Al: 0.008 or less and Cu: 0.1 or less.</description><language>eng</language><subject>ALLOYS ; BLASTING ; CHEMISTRY ; ENGINE PLANTS IN GENERAL ; FERROUS OR NON-FERROUS ALLOYS ; HEATING ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; METALLURGY ; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES ; STEAM ENGINES ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; WEAPONS</subject><creationdate>2006</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20060621&DB=EPODOC&CC=CN&NR=1789670A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20060621&DB=EPODOC&CC=CN&NR=1789670A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SUGA TAKEO,ISHII RYUICHI,TAKAHASHI TAKEO,FUKUDA MASAFUMI</creatorcontrib><title>Steam turbine power generation system and low-pressure steam turbine rotor</title><description>A steam turbine power generation system, comprising a high-pressure turbine, an intermediate-pressure turbine and a low-pressure turbine, wherein the intermediate-pressure turbine has an inlet steam temperature of 650-720°C, and the low-pressure turbine has an inlet steam temperature of 410-430°C; 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and a low-pressure turbine rotor of the low-pressure turbine is made of a heat-resisting steel which contains, in weight percent, C: 0.28 or less, Si: 0.03 or less, Mn: 0.05 or less, Cr: 1.5 to 2.0, V: 0.07 to 0.15, Mo: 0.25 to 0.5, Ni: 3.25 to 4.0, and the balance of Fe, unavoidable impurities and unavoidable gases, and the unavoidable impurities contain, in weight percent, P: 0.004 or less, S: 0.002 or less, Sn: 0.01 or less, As: 0.008 or less, Sb: 0.005 or less, Al: 0.008 or less and Cu: 0.1 or less.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ALLOYS BLASTING CHEMISTRY ENGINE PLANTS IN GENERAL FERROUS OR NON-FERROUS ALLOYS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS |
| title | Steam turbine power generation system and low-pressure steam turbine rotor |
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