Mavavusizimagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana, komanso zimagwiritsa ntchito malo osiyanasiyana, ndipo ma valve ena m'malo ovuta kwambiri amatha kukhala ndi mavuto. Popeza ma valve ndi zida zofunika, makamaka kwa ma valve ena akuluakulu, zimakhala zovuta kukonza kapena kuwasintha pakabuka vuto. Chifukwa chake, ndikofunikira kwambiri kuchita ntchito yabwino yosamalira ndi kukonza tsiku ndi tsiku. Tiyeni tiwone malangizo ena okhudza kukonza ma valve.
1. Kusunga ndi kuyendera tsiku ndi tsikumavavu
1. Vavu iyenera kusungidwa m'chipinda chowuma ndi mpweya wabwino, ndipo mapeto onse a ndimeyi ayenera kutsekedwa.
2. Mavavuzosungidwa kwa nthawi yayitali ziyenera kufufuzidwa nthawi zonse, dothi lichotsedwe, ndipo mafuta odana ndi dzimbiri ayenera kuphimbidwa pamtunda wokonza.
3. Pambuyo kukhazikitsa, kuyang'anitsitsa nthawi zonse kuyenera kuchitidwa, ndipo zinthu zazikulu zoyendera ndi:
(1) Kuvala pamwamba pa chisindikizo.
(2) Kuvala kwa ulusi wa trapezoidal wa tsinde ndi mtedza wa tsinde.
(3) Kaya chodzazacho ndi chakale komanso chosavomerezeka, ngati chawonongeka, chiyenera kusinthidwa panthawi yake.
(4) Valavu ikasinthidwa ndikusonkhanitsidwa, kuyezetsa ntchito yosindikiza kuyenera kuchitidwa.
2. Ntchito yosamalira pamene valavu yapaka mafuta
Kukonza akatswiri avalavuisanayambe komanso itatha kuwotcherera ndi kupanga kumagwira ntchito yofunika kwambiri pa ntchito ya valavu pakupanga ndi kugwira ntchito, ndipo kukonza koyenera ndi mwadongosolo komanso kothandiza kumateteza valavu, kupanga valavu kugwira ntchito moyenera ndikutalikitsa moyo wautumiki wa valve. Kukonza ma valve kungawoneke kosavuta, koma sichoncho. Nthawi zambiri pamakhala mbali zina za ntchito zomwe zimanyalanyazidwa.
1. Vavu ikapaka mafuta, vuto la jekeseni wamafuta nthawi zambiri limanyalanyazidwa. Mfuti ya jekeseni yamafuta ikawonjezeredwa, wogwiritsa ntchito amasankha valavu ndi njira yolumikizira jekeseni kuti agwire ntchito yojambulira mafuta. Pali zinthu ziwiri: kumbali imodzi, kuchuluka kwa jekeseni wamafuta ndikochepa, jekeseni wamafuta ndi wosakwanira, ndipo malo osindikizira amavala mwachangu chifukwa chosowa mafuta. Kumbali ina, jekeseni wochuluka wamafuta amawononga zinyalala. Izi ndichifukwa choti palibe kuwerengera kolondola kwa mphamvu yosindikiza ya ma valve osiyanasiyana malinga ndi mtundu wa valavu. Mphamvu yosindikiza ikhoza kuwerengedwa molingana ndi kukula ndi mtundu wa valve, ndiyeno mafuta oyenerera akhoza kubayidwa moyenerera.
Chachiwiri, valavu ikapaka mafuta, vuto la kupanikizika nthawi zambiri limanyalanyazidwa. Pa ntchito jekeseni mafuta, kuthamanga jekeseni mafuta amasintha pafupipafupi pa nsonga ndi zigwa. Kupanikizika ndikotsika kwambiri, kutayikira kwa chisindikizo kapena kulephera kwamphamvu ndikokwera kwambiri, doko la jakisoni wamafuta ndi lotsekeka, mafuta mu chisindikizo amawumitsidwa, kapena mphete yosindikizira imatsekedwa ndi mpira wa valve ndi mbale ya valve. Nthawi zambiri, mphamvu ya jakisoni wa girisi ikatsika kwambiri, mafuta obaya amalowa pansi pa valve, yomwe nthawi zambiri imapezeka m'mavavu ang'onoang'ono. Ngati mphamvu ya jakisoni wamafuta ndi yayikulu kwambiri, mbali imodzi, yang'anani jekeseni wamafuta, ndikusintha ngati dzenje lamafuta latsekedwa; Kumbali inayi, kuuma kwamafuta, momwe njira yoyeretsera imagwiritsidwa ntchito mobwerezabwereza kufewetsa mafuta osindikizira olephera ndikuyikanso mafuta atsopano. Kuonjezera apo, mtundu wosindikizira ndi zinthu zosindikizira zimakhudzanso kupanikizika kwa mafuta, mitundu yosiyanasiyana yosindikizira imakhala ndi mphamvu yosiyana ya mafuta, kawirikawiri, mphamvu yamafuta osindikizira olimba ndi apamwamba kuposa chisindikizo chofewa.
Kugwira ntchito pamwambapa kumakhulupirira kuti kumathandiza kwambiri pakutalikitsa moyo wautumiki wavalavu, ndipo panthawi imodzimodziyo, ikhozanso kuchepetsa mavuto ambiri osafunikira.
Nthawi yotumiza: Sep-29-2024