Enwere ọtụtụ ụdị ndị na-emepụta ọkụ eletrik.Taa, m ga-ewebata axial eruba hydroelectric generators n'ụzọ zuru ezu.Ngwa nke axial eruba turbine generators na-adịbeghị anya bụ tumadi mmepe nke elu isi na nnukwu size.Turbines axial-flow na-etolite ngwa ngwa.Ewuola ụdị ụgbọ mmiri abụọ axial-flow paddle nke arụnyere n'ọdụ ụgbọ mmiri Gezhuba.Otu n'ime ha nwere dayameta nke 11.3 mita, nke bụ ugbu a nke kasị ukwuu n'ụdị ya n'ụwa..Nke a bụ uru na ọghọm dị na turbines axial flow.
Uru nke turbine axial eruba
E jiri ya tụnyere turbines Francis, turbines axial flow turbines nwere uru ndị a:
1. Ọsọ ọsọ dị elu na njirimara ike dị mma.Ya mere, ọsọ otu ya na ọsọ otu ya dị elu karịa nke turbine Francis.N'okpuru otu isi mmiri na ọnọdụ mmepụta, ọ nwere ike ibelata oke nke igwe na-emepụta turbine, belata ịdị arọ nke unit ahụ, ma chekwaa ihe oriri, ya mere ọ bụ akụ na ụba.elu.
2. Ọdịdị elu na ọdịdị elu nke onye na-agba ọsọ na-agba ọsọ nke turbine axial na-agba ọsọ nwere ike izute ihe ndị a chọrọ na mmepụta.N'ihi na agụba nke axial-flow rotary-paddle turbine nwere ike ịtụgharị, nkezi arụmọrụ dị elu karịa nke turbine agwakọtara.Mgbe ibu na isi mmiri na-agbanwe, arụmọrụ adịghị agbanwe nke ukwuu.
3. Enwere ike ịkwasa oghere ndị na-agba ọsọ nke turbine axial-flow paddle, nke dị mma maka ịmepụta na njem.
Ya mere, turbine axial na-agba ọsọ nwere ike ịnọgide na-enwe nkwụsi ike na oke ọrụ na-arụ ọrụ, na-enwe obere mkpọtụ, na arụmọrụ dị elu na mmepụta.N'ebe dị ala, ọ fọrọ nke nta ka ọ dochie turbine Francis.N'ime iri afọ ndị na-adịbeghị anya, ma n'ihe gbasara ikike otu unit na iji isi mmiri eme ihe, enweela ọganihu dị ukwuu, yana ngwa ya dịkwa oke obosara.
Ọdịmma nke axial eruba turbine
Otú ọ dị, turbine axial na-asọpụta nwekwara adịghị ike ma na-amachi oke ngwa ya.Isi adịghị ike bụ:
1. Ọnụ ọgụgụ nke agụba dị ntakịrị, ma ọ bụ cantilever, ya mere ike adịghị mma, a pụghịkwa iji ya mee ihe na ọdụ ụgbọ mmiri na ọkara na elu.
2. N'ihi na nnukwu unit eruba ọnụego na elu unit ọsọ, o nwere a nta suction elu karịa Francis turbine n'okpuru otu isi ọnọdụ, na-eme ka a nnukwu gwupụta omimi omimi maka ntọala nke ike ọdụ na a dịtụ elu ego.
Dị ka n'elu kwuru adịghị ike nke axial eruba turbines, elu-ike mgbochi cavitation ọhụrụ ihe na-eji turbine nrụpụta na ike nke agụba na-mma na imewe, nke mere na ngwa isi nke axial eruba turbines na-anọgide na-mma.Ka ọ dị ugbu a, onye isi ngwa nke turbine axial-flow paddle bụ 3 ruo 90 m, ọ batakwara na mpaghara ụgbọ mmiri Francis.Dịka ọmụmaatụ, mmepụta otu nkeji kachasị nke turbines axial-flow paddle bụ 181,700 kW, isi mmiri kachasị bụ 88m, na dayameta onye na-agba ọsọ bụ 10.3m.Ihe kachasị otu igwe na-emepụta turbine axial-flow paddle turbine bụ 175,000 kW, isi mmiri kachasị elu bụ 78m, na dayameta onye na-agba ọsọ bụ 11.3m.The axial-flow fix-propeller turbine nwere agụba a kapịrị ọnụ na nhazi dị mfe, mana ọ nweghị ike ime mgbanwe na ọdụ ụgbọ mmiri nwere nnukwu mgbanwe na isi mmiri na ibu.Ọ nwere isi mmiri kwụsiri ike ma na-eje ozi dị ka ebe a na-ebu ibu ma ọ bụ ọdụ ụgbọ mmiri nwere ọtụtụ nkeji.Mgbe ike nke oge dị ukwuu, ntụnyere akụ na ụba nwekwara ike ime.Enwere ike ịtụle ya.Ogologo isi ya ọdabara bụ 3-50m.Axial-flow paddle turbines na-ejikarị ngwaọrụ kwụ ọtọ.Usoro ya na-arụ ọrụ bụ n'ụzọ bụ isi na nke ụgbọ mmiri Francis.Ihe dị iche bụ na mgbe ibu ahụ gbanwere, ọ bụghị naanị na-achịkwa ntụgharị nke vanes nduzi., Ọ bụ ezie na ọ na-edozigharị ntụgharị nke ndị na-agba ọsọ na-agba ọsọ iji nọgide na-arụ ọrụ dị elu.
Tupu mgbe ahụ, anyị ebutekwara ụgbọ mmiri Francis.N'ime ndị na-emepụta turbine, a ka nwere nnukwu ọdịiche dị n'etiti turbine Francis na axial flow turbines.Dịka ọmụmaatụ, nhazi nke ndị na-agba ọsọ ha dị iche.Ugbo nke turbines Francis fọrọ nke nta ka ọ dakọtara na ogwe isi, ebe turbines axial eruwa fọrọ nke nta ka ọ daa n'akụkụ isi.
Oge nzipu: Nov-11-2021
