Inogona kutarisa mavharuvhu kudzivirira pombi kutendeuka

Tarisa mavharuvhuinogona kudzivirira kudzoserwa kwepombi. Musimboti wemusimboti kuvimba nemusiyano wekumanikidzwa kwemvura kuti uwane nzira imwechete conduction uye reverse cutoff. Apo pombi iri kushanda zvakanaka, kuenderera mberi kwemvura kunosundira diski yevhavha kuti ivhure, uye yepakati inopfuura zvakanaka; Kana pombi ikangoerekana yamira kana kudzvanywa kwehurongwa husina kujairika, zvichiita kuti mvura iyerere ichidzokera kumashure, dhisiki yevharuvhu inokurumidza kuvhara pasi pesimba rayo, simba rechitubu, kana kuti fluid reverse pressure, ichivharira reverse flow nzira. Ichi chimiro chinoita kuti ive yakakosha midziyo yekudzivirira pombi uye kutyaira mota.

Kutora pombi yemvura semuenzaniso, kana acheki vharafuhaina kuiswa, apo pombi yemvura inomira nekuda kwekukundikana kwesimba kana kusashanda, kudzvinyirira mukati mepombi kunopera, uye mvura yepamusoro-soro yakabatanidzwa kune inobuda inoyerera ichidzokera kune pombi kune rumwe rutivi, ichisundira impeller kuti idzoke. Kutenderedza kutenderera hakungokonzerese kusunungurwa kwe impeller uye kupfeka kweshaft sleeve, asi zvinogona kutungamira mukuremerwa kwemota uye kupera simba, zvichiunza njodzi yakakomba kukuchengetedza kwemidziyo. Mushure mekuisa cheki chevhavha, kuyerera kwemvura kunobva kwaita kuti vheji yevhavha ivhare, ichicheka reverse inoyerera chiteshi, nekudaro ichidzivirira kukanganisa kumuviri wepombi nekuda kwekutenderera kutenderera.

Iyo anti reverse effect yecheki mavharuvhuinowirirana zvakanyanya nemhando yavo uye chinzvimbo chekuisa. Swing cheki mavharuvhu ane kuderera kuyerera kupikisa nekuda kwekutenderera kwevhavha disc kutenderedza axis, zvichiita kuti ive yakakodzera kune yakakura-diameter, yepakati uye yakaderera-kudzvinyirira mapaipi; Simudza cheki mavharuvhu kuwana chisimbiso nekutsvedza vharuvhu disc pamwe neaxis, nekuita kurinani kwekuvhara. Nekudaro, ivo vane yakakwirira kuyerera kupikisa uye inonyanya kushandiswa mune diki-diameter uye yakakwirira-kudzvinyirira mamiriro. Pasinei nerudzi, zvinodikanwa kuve nechokwadi chekuti nzira yekumisikidza inoenderana nekuyerera kwepakati, uye kuti tsigiro yepombi yakagadzikana kuti ishandise zvizere anti reverse basa.

Mukuwedzera, cheki mavharuvhu anogonawo kuderedza mvura sando phenomenon - apo vharafu disc nokukurumidza kuvhara, kunyange pangave kupfupika dzvinyiriro kuvhunduka nokuda kwemvura inertia, simba rayo rinoparadza rinogona kuderedzwa nekusarudza mhando inonzwisisika (yakadai seaxial flow check valves) kana kuisa buffering devices. Nokudaro, kuisa cheki chevhavha panzvimbo yepombi haisi kungoita chiyero chinodiwa chekudzivirira reverse kutenderera, asiwo chisungo chakakosha chekuvimbisa kushanda kwakachengeteka uye kwakadzikama kwemvura yose.