YopangidwavalavuAyenera kuyesedwa magwiridwe antchito osiyanasiyana, ndipo chofunika kwambiri ndi kuyesa kuthamanga. Kuyesa kuthamanga ndi kuyesa ngati kuthamanga komwe valavu imatha kupirira kukukwaniritsa zofunikira za malamulo opanga.Mu TWS,valavu ya gulugufe yofewa yokhala pansi, iyenera kunyamulidwa ndi mayeso okhwima a mpando. Kupanikizika komwe kwatchulidwa mu nthawi 1.5 ya PN kuyenera kugwiritsidwa ntchito pamadzi oyesera.
Mawu ofunikira：Kuyesa Kupanikizika；Valavu Yofewa Yokhala ndi GulugufeMayeso a Kulimba kwa Mpando Wopanikizika
Kawirikawiri, mayeso a kupanikizika amavavuayenera kutsatira mfundo ndi njira zodzitetezera izi:
(1) Kawirikawiri,valavusichiyesedwa mphamvu, komavalavuthupi ndi boniti zitakonzedwa kapenavalavuThupi ndi boniti zomwe zawonongeka ndi dzimbiri ziyenera kuyesedwa kuti ziwone ngati zili zolimba. Pa valavu yotetezera, kupanikizika kwake kosalekeza, kupanikizika kobwezeretsa malo ndi mayeso ena ayenera kutsatira malangizo ake ndi malamulo oyenera.
(2) Kuyesa mphamvu ndi kulimba kuyenera kuchitika musanagwiritse ntchitovalavuyayikidwa. 20% ya ma valve otsika mphamvu amafufuzidwa bwino, ndipo 100% ya iwo ayenera kufufuzidwa ngati sali oyenerera; 100% ya ma valve apakati ndi apamwamba mphamvu ayenera kufufuzidwa.
(3) Pa nthawi yoyeserera, malo oyikapovalavuziyenera kukhala pamalo pomwe kuyang'ana kumakhala kosavuta.
(4) Zamavavumu mawonekedwe a maulumikizidwe olumikizidwa, ngati mayeso a kuthamanga kwa mbale yopanda kanthu sangagwiritsidwe ntchito, chisindikizo cha conical kapena chisindikizo cha O-ring chingagwiritsidwe ntchito poyesa kuthamanga. (5) Chotsani mpweya wa valavu momwe mungathere panthawi yoyesa ya hydraulic.
(6) Kupanikizika kuyenera kuwonjezeredwa pang'onopang'ono panthawi yoyeserera, ndipo kupanikizika kwadzidzidzi komanso kwamphamvu sikuloledwa.
(7) Nthawi yoyesera mphamvu ndi mtundu wa kutseka nthawi zambiri imakhala mphindi 2-3, ndipo ma valve ofunikira komanso apadera ayenera kukhala kwa mphindi 5. Nthawi yoyesera ma valve ang'onoang'ono m'mimba mwake ikhoza kukhala yochepa, ndipo nthawi yoyesera ma valve akuluakulu m'mimba mwake ikhoza kukhala yayitali. Panthawi yoyesa, ngati mukukayika, nthawi yoyesera ikhoza kukulitsidwa. Panthawi yoyesa mphamvu, thukuta kapena kutuluka kwa madzivalavuthupi ndi boneti siziloledwa. Kuyesa kutseka kumachitika kamodzi kokha kwa onsemavavu, ndipo kawiri pa ma valve achitetezo, kuthamanga kwambirimavavundi zina zofunika kwambirimavavuPa nthawi yoyeserera, ma valve osafunikira omwe ali ndi mphamvu yochepa komanso mainchesi akuluakulu amaloledwa kutuluka pang'ono; chifukwa cha zofunikira zosiyanasiyana za ma valve wamba, ma valve a siteshoni yamagetsi, ma valve am'madzi ndi ma valve ena, zofunikira zotuluka ziyenera kukhala motere: Kuchita motsatira malamulo oyenera.
(8) Valavu yotsekera siiyesedwa kulimba kwa gawo lotseka, koma mayeso a mphamvu ndi mayeso a kulimba kwa kulongedza ndi gasket ziyenera kuchitika. (9) Pa nthawi yoyesa kupanikizika, mphamvu yotseka ya valavu imaloledwa kutsekedwa ndi mphamvu yachibadwa ya munthu m'modzi; sikuloledwa kugwiritsa ntchito mphamvu ndi zida monga zolumikizira (kupatula cholumikizira cha torque). Pamene m'mimba mwake wa gudumu lamanja ndi wokulirapo kapena wofanana ndi 320mm, anthu awiri amaloledwa kugwira ntchito limodzi.
(10) Pa ma valve okhala ndi chisindikizo chapamwamba, cholongedzacho chiyenera kuchotsedwa kuti chiyesedwe kulimba. Chisindikizo chapamwamba chikatsekedwa, yang'anani ngati chikutuluka. Mukagwiritsa ntchito mpweya ngati mayeso, yang'anani ndi madzi m'bokosi lodzaza. Mukachita mayeso a kulimba kwa cholongedza, cholongedza chapamwamba sichiloledwa kukhala pamalo omangika.
(11) Pa valavu iliyonse yokhala ndi chipangizo choyendetsera, poyesa kulimba kwake, chipangizo choyendetsera chiyenera kugwiritsidwa ntchito kutseka valavu ndikuchita mayeso olimba. Pa chipangizo choyendetsedwa ndi manja, mayeso otseka valavu yotsekedwa ndi manja ayeneranso kuchitika.
(12) Pambuyo pa mayeso a mphamvu ndi kulimba, valavu yodutsa yomwe yayikidwa pa valavu yayikulu iyenera kuyesedwa mphamvu ndi kulimba pa valavu yayikulu; pamene gawo lotseka la valavu yayikulu latsegulidwa, liyeneranso kutsegulidwa moyenerera.
(13) Pa nthawi yoyesa mphamvu ya ma valve achitsulo chopangidwa ndi chitsulo, gwirani thupi la valve ndi chivundikiro cha valve ndi belu lamkuwa kuti muwone ngati likutuluka.
(14) Pamene valavu iyesedwa, kupatula ma plug valve omwe amalola kuti pamwamba pa chotseka papatsidwe mafuta, ma valvu ena saloledwa kuyesa pamwamba pa chotseka ndi mafuta.
(15) Pa nthawi yoyesa kuthamanga kwa valavu, mphamvu yokankhira mbale yakhungu pa valavu siyenera kukhala yayikulu kwambiri, kuti ipewe kusintha kwa valavu ndikukhudza zotsatira za mayeso (ngati valavu yachitsulo chopangidwa ndi chitsulo chaponderezedwa kwambiri, idzawonongeka).
(16) Pambuyo poti mayeso a kuthamanga kwa valavu atha, madzi omwe ali mu valavu ayenera kuchotsedwa nthawi yake ndikupukutidwa, ndipo zolemba za mayeso ziyeneranso kupangidwa.
In Valavu ya TWSPonena za chinthu chathu chachikulu, valavu yofewa ya gulugufe yokhala pansi, iyenera kunyamulidwa ndi mayeso okakamiza mpando. Ndipo choyezera ndi madzi kapena gasi, ndipo kutentha kwa choyezera ndi pakati pa madigiri 5.℃~40℃.
Ndipo mayeso otsatirawa ndi kulimba kwa chipolopolo ndi magwiridwe antchito a valavu.
Cholinga chake ndichakuti mayesowa atsimikizire kulimba kwa chipolopolocho kuphatikizapo kutseka kwa makina ogwiritsira ntchito motsutsana ndi kupsinjika kwamkati.
Pa nthawi yoyeserera, tiyenera kuzindikira kuti madzi oyesera ayenera kukhala madzi.
Ndipo diski ya valavu iyenera kukhala yotseguka pang'ono. Malumikizidwe a valavu ayenera kuchotsedwa ndipo mabowo onse adzazidwe ndi madzi oyesera. Kupanikizika komwe kwatchulidwa mu nthawi 1.5 ya PN kuyenera kugwiritsidwa ntchito pamadzi oyesera.
Nthawi yotumizira: Epulo-23-2023
