Mukamva za 'vale cage', ngati mukuganiza kuti ndi nyumba yolimba yotchinga, simukulakwitsa, koma mukuphonya mfundoyo. Ndi ngwazi yosadziwika yomwe imatanthauzira kulamulira, kukhala ndi moyo wautali, ndipo nthawi zambiri, umunthu wa valve muutumiki wovuta.
Malingaliro Olakwika Pakatikati ndi Zowona Zakuthupi
Zolemba zambiri zimatengera khola ngati chinthu chamtengo wapatali, ndikungoyang'ana pamtengo wocheperako. Ndiko kufulumira kwa kulephera msanga. Khola silinangokhalapo kuti ligwireko mbali; ndiye chinthu choyambirira chomwe chimatsogolera kuyenda, kuwongolera liwiro, ndikutenga mphamvu ya cavitation ndi kukokoloka. Ndawonapo ma valve akulephera chifukwa chowongolera chinali Inconel 625 koma kholalo linali la 316SS lomwe linatsuka m'miyezi isanu ndi umodzi, ndikusiya pulagi yabwino kwambiri ikuzungulira.
Apa ndipamene maziko ake ndi makina opangira zinthu sangakambirane. Mufunika munthu amene amamvetsa kuti kukhulupirika kumayambira kusungunuka. Kampani ngati Malingaliro a kampani Qingdao Qiangsenyuan Technology Co., Ltd., ndi zaka makumi atatu mu zipolopolo ndi kuika ndalama, amapeza izi. Sizongopanga mawonekedwe; ndikupeza mbewu yofanana, yopanda chilema ngati zitsulo ziwiri kapena ma aloyi opangidwa ndi cobalt kuyambira kutsanulira koyamba. Mphepete mwa microscopic shrinkage mu njira yovuta yothamanga ndi bomba la nthawi yowonongeka.
Kusankha pakati pa nkhungu ya chipolopolo ndi kuponyera ndalama kwa khola ndi malonda apamwamba. Kwa makola akuluakulu, ocheperako mu chitsulo cha carbon kapena low-alloy, nkhungu ya chipolopolo ndi yolimba komanso yotsika mtengo. Koma mukamalimbana ndi mapangidwe odabwitsa a mabowo ambiri a anti-cavitation kapena ma trim-phokoso otsika mu super duplex kapena Hastelloy, kuponya ndalama ndi njira yokhayo yopezera ndime zamkatizo kukhala zosalala komanso zolondola popanda ndalama zambiri mu ntchito ya EDM. Kuthekera kwapawiri kwa QSY apa ndi mwayi wothandiza, kulola malingaliro oyenera m'malo motengera njira imodzi.
Kulondola Sikungolekerera Chojambula
Chabwino, ndiye muli ndi kutulutsa mawu. Tsopano ntchito yeniyeni ikuyamba. Kukwerana komwe kumakhala ndi boneti ndi pulagi, kukhazikika kwa mabowo oyenda, kutha kwa zibowo zamkati - izi ndizomwe zimalekanitsa gawo ndi chida cholondola. Kusalunjika pang'ono pano sikungoyambitsa kutayikira; imapangitsa kuyenda kwa asymmetric, kuvala kosagwirizana, ndi kumanga tsinde. Ndikukumbukira nkhani yomwe inali ndi valavu yotsitsa yotsika kwambiri pomwe macheza ndi moyo waufupi wosindikizira udayambika ku khola lomwe chibowo chake chinali ndi ma microns ochepa pakati, ndikupangitsa pulagi kukhala mosagwirizana.
Izi ndi zoyera CNC makina gawo, ndipo imafuna zambiri kuposa malo ogulitsira makina amakono. Zimafunika kukonza ndi kukonza ndondomeko zomwe zimalemekeza ntchito yomaliza ya gawolo. Katswiri wamakina akuyenera kudziwa kuti ndi malo ati omwe ali ofunikira kuti asindikize ndikuwongolera motsutsana ndi omwe amangopangidwa mwadongosolo. Sitolo yomwe imangopanga zongopeka imaphonya ma nuances awa. Ukatswiri wamakina, monga zomwe QSY ikuwonetsa, ndizofunikira pakusintha kuponya bwino kukhala gawo lodalirika, lochita bwino kwambiri.
Ndipo tiyeni tikambirane za mabowo otaya. Kubowola chitsanzo cha mabowo ndikosavuta. Mukubowola pateni pomwe dzenje lililonse limakhala ndi m'mphepete mwake, wopanda mikwingwirima komanso ngodya yolondola ya hydrodynamic kuti muwongolere kuchuluka kwakuyenda (Cv) ndi phokoso? Ndizo luso. Kutaya ndalama sikungoganizira; ndi sitepe yovomerezeka. Mphuno yotayirira imatha kuthyoka, kuyenda pansi pamtsinje, ndikuwononga. Ndakhala masiku ambiri ndikuthetsa zovuta zowongolera mavavu kuti ndipeze kachitsulo kakang'ono kuchokera pa khola losamalizidwa bwino lomwe lili mu mphete yapampando.
Vuto Losankha Alloy: Ndizogwirizana
Mapepala apadera amakonda kulira Alloy 20 kapena Monel ngati machiritso. Koma kusankha zinthu za khola la valve ndi kukambirana pakati pa dzimbiri, kukokoloka, kuthamanga, ndi kutentha. 17-4PH ikhoza kukhala yabwino kulimbitsa mphamvu ndi dzimbiri pang'ono, koma ndi chisankho cholakwika kwa ma chloride osalekeza. Momwemonso, aloyi yochokera ku cobalt ngati Stellite 6 ndiyabwino kwambiri pantchito yopumira, koma kutheka kwake ndizovuta komanso mtengo wake ndi wokwera - mumangochifotokoza mukachifuna.
Apa ndipamene zokumana nazo za ogulitsa zimalipira. Sitolo yomwe imagwira ntchito nthawi zonse ndi sipekitiramu-kuchokera ku zitsulo zotayidwa ndi zitsulo za carbon mpaka kupyola muzitsulo zopangidwa ndi nickel monga Inconel 718-imapanga kumva kwamatumbo. Iwo akhoza kukankhira mmbuyo pa over-spec kapena kuchenjeza za under-spec. Mwachitsanzo, popaka gasi wowawasa (H2S ilipo), kutchula chinthu cholimba kwambiri popanda chithandizo choyenera cha kutentha kwa sulfide stress cracking resistance ndi njira yobweretsera tsoka. Kholalo likhoza kung’ambika moopsa. Wokondedwa wodziwa bwino ayenera kulengeza izi.
Ndikukumbukira ntchito yopangira chomera cha geothermal pomwe madziwo anali osakanizika kwambiri kutentha kwambiri, acidity pang'ono, ndi silika woyimitsidwa. Poyamba tidayesa khola lolimba la 440C. Idakokoloka kukhala chubu lopanda mawonekedwe mkati mwa chaka. Yankho lake linali kusinthira ku aloyi ya nickel-chromium-boron yothiridwa mwachizolowezi yokhala ndi kuuma kotentha kwambiri komanso kukana dzimbiri. Izo sizinali pa valavu iliyonse BOM, koma linali yankho lolondola la uinjiniya. Othandizira omwe ali ndi chidziwitso chapamwamba cha alloy amathandizira mayankho awa.
Kulephera Monga Mphunzitsi: Mlandu wa Vibrating Valve
Zina mwa maphunziro abwino zimachokera ku zinthu zomwe sizikuyenda bwino. Tinali ndi valavu yowongolera pamzere wa nthunzi yomwe inapanga kugwedezeka kwakukulu, kwapamwamba kwambiri. Chodulacho chinali khola lodziwika bwino lomwe lili ndi mipata. Kuzindikira kumawonetsa kugwedezeka komwe kunapangitsa kuti aziyenda, koma ma liwiro ake amayenera kukhala osiyanasiyana.
Pakuphwanyidwa, tinapeza vuto. Mipata mu khola, ngakhale kuti inali yolondola, inali ndi mapeto ang'onoang'ono ngati-cast pamwamba pamphepete mwawo m'malo momangika bwino. Izi zinapangitsa kuti tifunde ting'onoting'ono tomwe timatulutsa mvula nthawi zambiri—mumsewu wakale wa Kármán vortex—omwe ankafanana ndi mmene kholalo limayendera. Kholalo linali kudziimba lokha ku imfa. Kukonzekera kunali kukonzanso njira zonse zoyendetsera mkati kuti zikhale bwino kwambiri, ndikuphwanya ma harmonic. Zinandiphunzitsa kuti m'makola othamanga kwambiri gasi kapena ntchito ya nthunzi, kutsirizitsa pamwamba pamayendedwe oyenda ndikofunikira kwambiri ngati geometry.
Kuthetsa mavuto kwamtunduwu nthawi zambiri kumagwera kwa wopanga. Kodi sangangosintha, koma kuthandizira kuzindikira ndi kubwereza kapangidwe kake? Pamafunika wothandizana naye, wokonda uinjiniya m'malo mongotengera dongosolo.
Kuphatikiza ndi Chithunzi Chachikulu
Pomaliza, khola la valve silimagwira ntchito palokha. Kuchita kwake kumangiriridwa ndi pulagi, mpando, tsinde, ndi actuator. Khola lopangidwa bwino ndi lopanda ntchito ngati pulagi sikugwirizana ndi malo ake owongolera ndi chilolezo choyenera. Ichi ndichifukwa chake ma valve ena odalirika kwambiri amachokera kwa opanga omwe amawongolera kupanga masitaki onse, kuwonetsetsa kuti zonse zikwanira.
Kwa ogulitsa zinthu monga QSY, tanthauzo lake ndi lomveka: kumvetsetsa msonkhano ndikofunikira. Ayenera kufunsa kuti, Kodi mapulagi amapangidwa ndi pulagi yanji? Kodi ndi mawonekedwe a parabolic, V-port, kapena masitepe angapo? Zolemba zamakina za khola lophatikizidwa ndi pulagi yolinganiza ndizosiyana ndi zomwe zimapangidwira pampando umodzi, wochira kwambiri. Kupereka mawonekedwe owoneka bwino komanso omaliza pambuyo pa maere ndizomwe zimalola ophatikiza ma valve kuti akwaniritse magwiridwe antchito odalirika.
Pamapeto pake, kutchula khola la valve ndikuchita masewera olimbitsa thupi. Ndi gawo la malire okakamiza, wowongolera otaya, chipangizo chotsutsana ndi cavitation, ndi njira yowongolera. Kutenga zinthu zake ngati kugula zinthu zosavuta kumapeputsa ntchito yake. Mufunika gwero lomwe limagwira zitsulo, luso lopanga molondola, ndipo, mwatsoka, kumvetsetsa malo ankhanza omwe gawoli liyenera kukhalamo. Ndiko kusiyana pakati pa gawo lomwe limakwanira ndi gawo lomwe limagwira ntchito.
