Muunganidzi wezuva ndiro rinoshandiswa zvakanyanya kuchinjisa simba rezuva, uye kune mamiriyoni ari kushandiswa pasi rose.Vaunganidzi veSolar vanogona kuiswa mumhando mbiri dzakakura zvichienderana nedhizaini, kureva matanda-ndiro vatori uye evacuated-tubhu vaunganidzi, iyo yekupedzisira yakakamurwa kuita girazi-girazi mhando uye girazi-simbi mhando.
(a) Flat-plate solar collectors
A flat-plate solar collector ine simbi inopinza ndiro (yakagadzirwa nemhangura kana aluminium) yakavharirwa mu insulated rectangular box ine girazi kana chivharo chepurasitiki.Mushonga wacho unowanzo pendiwa dema kuti uwedzere kunyudza kupisa.Machubhu esvikiro rekutamisa kupisa (kureva mvura), ayo anowanzo gadzirwa nemhangura, akabatanidzwa conductively kune chinopinza.Kana mwaranzi yezuva inorova mucherechedzo, chikamu chikuru chayo chinotorwa uye chikamu chidiki chinoratidzwa.Kupisa kwakanyura kunoitwa kumachubhu kana machani emhepo yekutamisa kupisa.
(b) Vakabviswa-tubhu vanounganidza solar
i.Girazi-girazi rudzi
Muunganidzi ane mitsara yakaenzana yemachubhu akajeka.Imwe neimwe chubhu inoumbwa nekunze girazi chubhu uye yemukati girazi chubhu.Iyo yemukati chubhu yakavharwa neabsorber coating iyo inotora simba rezuva zvakanaka asi inoderedza kupenya kwekupisa.Iyo inopisa yekuitisa ndiro ine U-chubhu inopinzwa mukati megirazi chubhu.Mvura yekudziya inoyerera muU-chubhu.Mhepo inobviswa kubva munzvimbo iri pakati pegirazi rekunze chubhu uye yemukati girazi chubhu kuita vacuum kuitira kuderedza conductive kupisa kurasikirwa.
ii.Girazi-simbi mhando
Girazi-simbi machubhu anozopatsanurwa kuita yakananga kuyerera-kuburikidza nemhando uye kupisa-pombi mhando.
Kune yakananga kuyerera-kuburikidza evacuated-tube vaunganidzi, iyo inopinza muchimiro chesimbi fins kana silinda yesimbi inoiswa mukati megirazi chubhu.Mhepo inobviswa pachubhu yegirazi kugadzira vacuum.Mvura inoyerera muU-pipe iyo inonamirwa kune inomwisa mukati megirazi chubhu.
Kune kupisa-pombi evacuated-tube vaunganidzi, pombi inopisa inosungirirwa kune inopinza mukati meiyo vacuum girazi chubhu.Iyo pombi inopisa inozadzwa nemvura inoshanda ine nzvimbo yakaderera yekuvira (yakadai sedoro).Kumucheto wepamusoro wepombi yekupisa kune girobhu yecondenser apo kuchinjana kwekupisa kunoitika.Machubhu anokwidzwa, aine macondenser bulbs kumusoro, mune akawanda (kana tangi yekuchengetera kana iri yakaputirwa solar water heater).Simba rekupisa rinounganidzwa neabsorber fins rinopfutisa mvura inoshanda, iyo inokwira mucondenser bulb muchimiro chemhute.Mvura inobva pachisungo chekudzokorora inoyerera nepakati pezvizhinji uye inotora kupisa kubva kune condenser bulbs.Iyo condensate yemvura inoshanda inobva yadzokera kumuunganidzi wekupisa nzvimbo negiravhiti.
Cherechedza: Ichi chinyorwa chinotamiswa kubva kuHK RE NET.
Nguva yekutumira: Zvita-18-2021