Umehluko phakathi kwama-turbine egesi nezinjini zegesi (1)
Uma kuxoxwa ngezinhlelo zokukhiqizwa kukagesi ezisatshalaliswa, ama-turbine egesi kanye izinjini zegesi ziyimithombo emibili yamandla esetshenziswa kabanzi. Zidlala indima ebalulekile emishinini yokushisa namandla ehlanganisiwe yomhlaba wonke (i-CHP), enezinhlelo zokusebenza eziningi ezifana nokuhlinzekwa kukagesi, izikhungo zezokwelapha, izikhungo zemfundo, ukufudumeza kwesifunda, izinqubo zokususa usawoti emanzini olwandle, ukucubungula ukudla, ukukhiqizwa kwezindwangu, ukuhluzwa kwe-petrochemical, ukucubungula amakhemikhali, ukukhiqizwa kwemithi, ukukhiqizwa kwe-pulp nephepha, kanye nokukhiqiza okuvamile. Ngokuthuthuka okuqhubekayo kobuchwepheshe, le mithombo emibili yamandla ifinyelele ukuthuthuka okukhulu ekusebenzeni kahle, ukuthembeka, ukulawulwa kokukhishwa komoya, kanye nezindleko zokusebenza. Manje, ake sihlaziye ngokuningiliziwe umehluko omkhulu phakathi kwama-turbine egesi nezinjini zegesi.
Okokuqala, ama-turbine egesi kanye izinjini zegesi zinezimiso zokusebenza ezahlukene. I-turbine yegesi ikhiqiza igesi eshisa kakhulu kanye nengcindezi ephezulu ngokushiswa kwegesi, okuqhuba i-turbine ukuthi ijikeleze futhi ikhiqize ugesi. Ngakolunye uhlangothi, izinjini zegesi zisebenzisa ukushiswa kwegesi ukukhiqiza ukunyakaza okubuyelanayo, okuguqulwa kube ukunyakaza okujikelezayo ngokusebenzisa izindlela ezifana nama-piston nezinduku zokuxhuma, ngaleyo ndlela kushayele ijeneretha ukukhiqiza ugesi.
Ngokuphathelene nokusebenza kahle, izinjini zegesi ngokuvamile zisebenza kahle kakhulu kagesi, kusukela cishe ku-48.5% kuya ku-49%. Ukusebenza kahle kwamandla kwama-turbine egesi kuphansi kakhulu, ngokuvamile kuphakathi kuka-29% no-33%. Kodwa-ke, lokhu akusho ukuthi ama-turbine egesi aphansi kunalawo. i-genset yezinjini zegesi ekusebenzeni kahle kwamandla jikelele, njengoba ama-turbine egesi enokusatshalaliswa kwamandla okulinganiselayo ekukhiqizeni kanyekanye, lapho ugesi, umusi, kanye nokulahlekelwa kubalelwa ku-33%, 50%, kanye no-20% ngokulandelana.
Ngaphezu kwalokho, ngokwezinhlobo zokushisa ezidingekayo, izinjini zegesi zithembele kakhulu kumusi ukuze zinikeze ukushisa okudingekayo, kuyilapho ama-turbine egesi angahlangabezana nezidingo zawo zokushisa ngamanzi ashisayo kanye nomusi othile. Ngokuphathelene nokusebenza kahle kokukhiqiza ndawonye, ama-turbine egesi ngokuvamile asebenza ngaphakathi kobubanzi bokusebenza kahle obungu-80% kuya ku-83%, kuyilapho ukusebenza kahle okuphelele kwezinjini zegesi kuphansi kakhulu, kusukela cishe ku-63.5% kuya ku-77%.
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