1, Raba ƙarfin aiki da kuma matakin janareta mai amfani da ruwa
A halin yanzu, babu wani tsari guda ɗaya da aka tsara don rarraba ƙarfin aiki da saurin janareta na ruwa a duniya. Dangane da yanayin ƙasar Sin, ana iya raba ƙarfinsa da saurinsa gwargwadon jadawalin da ke ƙasa:
Rarrabuwa mai ƙimar iko PN (kw) saurin da aka ƙima NN (R / min)
Ƙaramin gudu matsakaici mai sauri babban gudu
Ƙaramin janareta mai amfani da ruwa < 100 750-1500
Ƙaramin janareta mai amfani da wutar lantarki 100-500 < 375-600 750-1500
Janareta mai matsakaicin girma 500-10000 < 375-600 750-1500
Babban janareta mai amfani da wutar lantarki > 10000 < 100-375 > 375
2, Tsarin shigarwa na nau'in janareta na ruwa
Tsarin shigarwa na janareta na ruwa yawanci ana tantance shi ta hanyar nau'in injin turbin na ruwa. Akwai nau'ikan da suka fi haka:
1) Tsarin kwance
Injinan samar da wutar lantarki na kwance galibi ana amfani da injinan samar da wutar lantarki na iska. Injinan samar da wutar lantarki na kwance galibi suna amfani da bearings biyu ko uku. Tsarin bearings guda biyu yana da fa'idodin gajeriyar tsayin axial, ƙaramin tsari da kuma sauƙin shigarwa da daidaitawa. Duk da haka, lokacin da mahimmancin saurin tsarin shaft bai iya biyan buƙatun ba ko kuma nauyin bearings ya yi yawa, tsarin bearings guda uku yana buƙatar a yi amfani da su. Yawancin injinan samar da wutar lantarki na injinan samar da wutar lantarki na cikin gida suna cikin ƙananan da matsakaitan na'urori. Ana kuma samar da manyan injinan samar da wutar lantarki na kwance waɗanda ke da ƙarfin 12.5mw. Injinan samar da wutar lantarki na injinan samar da wutar lantarki na kwance waɗanda ake samarwa a ƙasashen waje ba kasafai ake samun su ba tare da ƙarfin 60-70mw, yayin da injinan samar da wutar lantarki na injinan samar da wutar lantarki na kwance waɗanda ke da tashoshin wutar lantarki da aka ɗora a famfo na iya samun ƙarfin na'ura ɗaya na 300MW.
2) Tsarin tsaye
Tsarin tsaye ana amfani da shi sosai a cikin na'urorin janareta na ruwa na cikin gida. Na'urorin janareta na ruwa na tsaye galibi ana amfani da su ta hanyar Francis ko axial-flow turbines. Tsarin tsaye za a iya raba shi zuwa nau'in dakatarwa da nau'in laima. Ana kiran bearing na turawa na janareta da ke saman ɓangaren rotor a gaba ɗaya da nau'in dakatarwa, kuma bearing na turawa da ke ƙasan na'urar ana kiransa da nau'in laima.
3) Tsarin tubular
Injin samar da injin samar da injin turbin tubular yana aiki ne ta hanyar injin turbin tubular. Injin turbin tubular wani nau'in injin turbin kwarara ne na musamman wanda ke da ruwan wukake masu gyara ko waɗanda za a iya daidaita su. Babban fasalinsa shine cewa an shirya axis ɗin mai gudu a kwance ko a kwance, kuma alkiblar kwararar ta yi daidai da ta bututun shiga da bututun fitarwa na injin turbin. Injin Hydrogenerator yana da fa'idodin tsari mai sauƙi da nauyi mai sauƙi. Ana amfani da shi sosai a tashoshin wutar lantarki waɗanda ke da ƙarancin kan ruwa.
3, Tsarin kayan aikin janareta na ruwa
Injin samar da ruwa na tsaye ya ƙunshi stator, rotor, firam na sama, firam na ƙasa, bearing na turawa, bearing na jagora, mai sanyaya iska da kuma injin maganadisu na dindindin.
Lokacin Saƙo: Nuwamba-02-2021
