Njengethuluzi eliyinhloko lokulinganisa ukusetshenziswa kwamanzi, ukusebenza kwemitha yamanzi kuhlobene eduze nendawo yokusebenza kwayo. Izinhlobo ezahlukene zamamitha amanzi zihluke kakhulu ezimeni zokufakwa, izidingo zekhwalithi yamanzi, nokuvumelana nezimo zesimo sezulu. Ukukhetha imitha yamanzi efanele endaweni efanele kubalulekile ukuze kuqinisekiswe ukunemba kwemitha kanye nempilo yedivayisi.
Ngokusekelwe endaweni yokufaka, amamitha amanzi angahlukaniswa-njengohlobo olumanzi noma olomile-. Amamitha wamanzi-ohlobo olumanzi, indlela yawo yokulinganisa ithintana ngqo nokugeleza kwamanzi, afanele izindawo ezijwayelekile ezinezinga lokushisa elivamile kanye nekhwalithi ephansi-yamanzi abolayo, njengezakhiwo zokuhlala nezakhiwo ezincane zentengiso. Lezi zindawo zifaka ukugeleza kwamanzi okuzinzile, amazinga okushisa ngokuvamile aphakathi kuka-5℃kanye nama-degree angu-40, kanye nokuntuleka kokungcola okubalulekile noma izingxenye ezigqwala ngamakhemikhali, okuqinisekisa ukusebenza{8}}okuthembekile kwesikhathi eside kwezingxenye zemishini zamamitha-amanzi ohlobo olumanzi. Amamitha ohlobo{11}}ohlobo lwamanzi, ngakolunye uhlangothi, anezindlela zawo zokubala ezihlukanisiwe nokugeleza kwamanzi futhi adlulisele ukufundwa ngokudlulisela kazibuthe. Zifaneleka kakhulu ezindaweni ezinekhwalithi yamanzi ephansi noma ingozi yokubanda emazingeni okushisa aphansi, njengemithombo yamamitha angaphandle ezindaweni ezibandayo ezisenyakatho noma izindawo eziyinkimbinkimbi zekhwalithi yamanzi yezitshalo zezimboni ezinamanani amancane kawoyela, ukugqwala, nokunye ukungcola. Idizayini yabo evaliwe ivimbela ngempumelelo ukulimala kweqhwa nokungcola ekugqwaliseni ikhawunta. Izinga lamanzi lingesinye isici esibalulekile esithinta ukufaneleka kwamamitha amanzi. Ngaphansi kwezimo zamanzi kampompi ahlanzekile, amamitha amanzi ajwayelekile angasebenza ngokuthembekile amashumi eminyaka. Kodwa-ke, uma amanzi equkethe ukugxila okuphezulu kwenhlabathi kanye nezinto eziqinile ezimisiwe (njengamanzi angaphansi komhlaba angahlungiwe ngokwanele), noma uma i-pH ingajwayelekile (iphezulu kakhulu noma iphansi), lokhu kungasheshisa ukuguga kwe-impeller futhi kugxumeke izingxenye zangaphakathi. Kulezi zimo, kungcono ukubeka kuqala amamitha wamanzi e-rotary ngokubekezelela ukungcola okuthuthukisiwe noma ufake izihlungi{18}}zangaphambili ukuze kunwetshwe ubude bempilo bedivayisi.
Ukuvumelana nezimo zesimo sezulu nakho kubalulekile. Ezifundeni eziphezulu-ezinezinga lokushisa eliphezulu (njengezindawo ezishisayo ezinamazinga okushisa adlula amadigri angu-40-umjikelezo), ukumelana nokushisa kwempahla yemitha yamanzi kufanele kucatshangelwe ukuze kuvinjwe ukuwohloka kwezingxenye zepulasitiki kanye nokwehluleka kokuvala uphawu. -Izindawo ezinomswakama ophezulu (njengezindawo ezisogwini) zidinga umswakama-ukuvikela umswakama ukuze kuvinjelwe ukugqwala kwezingxenye zesekethe (kumamitha ahlakaniphile amanzi) noma izitimela zamagiya ngenxa yomswakama. Ngaphezu kwalokho, kwezinye izimo ezikhethekile, njengamasistimu wokuphakelwa kwamanzi esibili ezakhiweni eziphakeme-, lapho umfutho wamanzi uguquguquka kakhulu, imitha yamanzi ekwazi ukumelana nokucindezela okuphezulu kuyadingeka ukuze kuqinisekiswe ukukalwa okunembile.
Kafushane, ukufaneleka kwemitha yamanzi kudinga ukuhlolwa okuphelele kwezimo zokufakwa, izici zekhwalithi yamanzi, nezici zezulu. Kuphela ngokumatanisa ngokunembile izidingo zemvelo lapho ukulinganiswa kwamamitha amanzi kungasetshenziswa ngokugcwele futhi nokusekelwa kwedatha okuthembekile kuhlinzekwe ekuphathweni kwemithombo yamanzi.