Mavavu wamba: chisindikizo cha valve ndi magwiridwe antchito ofanana ndi valavu yachipata: valavu yachipata cha wedge ndi valavu yachipata chofananira

Mavavu wamba: chisindikizo cha valve ndi magwiridwe antchito ofanana ndi valavu yachipata: valavu yachipata cha wedge ndi valavu yachipata chofananira

Kumveka bwino kwa ma valve: chisindikizo cha valve ndi ntchito
(I) Chisindikizo cha valve ndi magwiridwe antchito
1, valavu pamsonkhano womaliza iyenera kuchitidwa pambuyo pa kuyesedwa kwa ntchito, kuti muwone ngati mankhwalawo akukwaniritsa zofunikira zapangidwe komanso ngati akukwaniritsa miyezo ya dziko. Zowonongeka mu zida za valve, zopanda kanthu, chithandizo cha kutentha, makina opangira makina ndi kusonkhanitsa nthawi zambiri zimatha kuwululidwa poyesa. Mayesero ochiritsira amaphatikizapo kuyesa mphamvu ya chipolopolo, kuyesa kusindikiza, kuyesa kusindikiza kutsika, kuyesa kuchitapo kanthu, ndi zina zotero, ndipo malinga ndi kufunikira, mayesero otsatirawa adzachitidwa pambuyo popambana mayeso motsatizana.
2, kuyesa mphamvu: valavu imatha kuonedwa ngati chotengera chopondereza, chifukwa chake imayenera kukwaniritsa zofunikira zonyamula kuthamanga kwapakati popanda kutayikira, kotero kuti valavu, chivundikiro cha valve ndi mbali zina zopanda kanthu sayenera kukhalapo zimakhudza mphamvu ya ming'alu. , pores lotayirira, slag ndi zolakwika zina. Kuphatikiza pa kuyang'anitsitsa bwino kwa maonekedwe ndi khalidwe lamkati la chopanda kanthu, wopanga ma valve ayeneranso kuyesa mphamvu imodzi ndi imodzi kuti atsimikizire kuti valve ikugwira ntchito.
3, chifukwa cha kutayikira kwa valavu yochepetsera kuthamanga
Monga gawo lofunikira la ma hydraulic system, ntchito yayikulu ya valve yochepetsera kuthamanga ndikupangitsa kuti kutulutsa kwamagetsi kumatsika nthawi zonse kuposa kuchuluka kwa kulowetsedwa, kusunga kukhazikika kwa kutulutsa kwa dongosolo, ndi kutulutsa kuthamanga kwa dongosolo sikukhudzidwa ndi kulowetsedwa ndi kusinthasintha kwakuyenda; Komabe, pamene chisindikizo chapamwamba cha kupanikizika chochepetsera chiwombankhanga chikutuluka, sichimangokhudza kupanga kwachibadwa, komanso kumayambitsa kutaya kwa mafuta a hydraulic ndi kuipitsidwa kwa chilengedwe; Mu Marine hydraulic system, valavu yochepetsera kuthamanga ngati chinthu chachikulu chowongolera, kufunikira kwake kusindikiza sikuyenera kunyalanyazidwa. Pambuyo pofufuza pamodzi ndi kusanthula ndi akatswiri oyenerera anapeza kuti kusindikiza pakati pa manja ogwirizanitsa a valve yochepetsera mphamvu ndi thupi la valve makamaka kumadalira mphete ya O pakati pa mkono wogwirizanitsa ndi khoma lamkati la thupi la valve kuti lisindikize mozungulira, kusindikiza kukagwira ntchito, kutulutsa kwake kwakunja sikungapeweke.
4, kuyesa ma valve a butterfly ndi kukhazikitsa ndi njira zothetsera mavuto
Vavu ya butterfly, kaya ndi manual, pneumatic, hydraulic, hydraulic, magetsi akuwongolera kwambiri asanatuluke, wogwiritsa ntchito akayang'ananso ntchito yosindikizira, mbali zonse ziwiri za kuitanitsa ndi kutumiza kunja ziyenera kukhazikitsidwa mofanana, kutseka valavu ya disc, kupanikizika pa kuyamwa. mbali, mu mbali kunja kuona ngati kutayikira chodabwitsa, pamaso mlandu, mphamvu mu payipi ayenera kutsegula mbale chimbale, kupewa kuwonongeka kwa chisindikizo.
Ngakhale zinthuzo zimawunikiridwa ndikuyesedwa musanachoke kufakitale, pali zinthu zina zomwe zimasinthitsa zinthu zina panthawi yamayendedwe, zomwe zimafunika kusinthidwa, pneumatic, hydraulic, etc., chonde werengani malangizo ogwiritsira ntchito chipangizo chothandizira.
Pamene valavu yamagetsi yamagetsi imachokera ku fakitale, kutsegula ndi kutseka kwa makina olamulira kwasinthidwa. Pofuna kupewa kuwongolera kosinthira mphamvu ndikolakwika, wogwiritsa ntchito nthawi yoyamba atatha kuyatsa mphamvu, buku loyamba lotseguka mpaka theka lotseguka, molingana ndi chosinthira chamagetsi kuti muwone momwe mbale yowonetsera ndi valavu ikuyendera. njira yotsekedwa ikhoza kukhala yofanana.
5, valavu yowongolera pneumatic / pneumatic cut-off valve ndi yoponderezedwa ndi mpweya ngati gwero lamphamvu, silinda ngati actuator, komanso pogwiritsa ntchito valavu yamagetsi, zosinthira, valavu ya solenoid, valavu yoyendetsa valavu monga cholumikizira, zindikirani kuchuluka kwa ma switch. kapena gawo kusintha mtundu, mafakitale zochita zokha kulamulira dongosolo amalandira ulamuliro chizindikiro kuti amalize otaya sing'anga payipi, kuthamanga, kutentha ndi magawo ena ndondomeko. Valavu yowongolera ma pneumatic imadziwika ndi kuwongolera kosavuta, kuyankha mwachangu, komanso kutetezedwa mwakuthupi, osafunikiranso kuyesanso kuphulika.
6, zitsulo zosapanga dzimbiri gulugufe valavu mu ndondomeko ntchito dzimbiri chodabwitsa. Kupyolera mu kusanthula kapangidwe kazitsulo, kuyika nkhope yoyezetsa, nkhope yoyesa kutentha, SEM ndi mayesero ena, zikuwoneka kuti chinthu chofunika kwambiri cha dzimbiri ndi chifukwa chakuti carbide imalowa m'malire a tirigu muzinthu kuti apange malo osauka a chrome, zomwe zimapangitsa kuwonongeka kwa valavu yagulugufe yachitsulo chosapanga dzimbiri. Vavu yagulugufe yachitsulo chosapanga dzimbiri yopangidwa ndi CF8M imawonongeka ikagwiritsidwa ntchito. Pambuyo pa chithandizo cha kutentha kwanthawi zonse, kapangidwe ka chitsulo chosapanga dzimbiri cha austenitic chiyenera kukhala chokhazikika kutentha kwa firiji, ndipo kukana kwa dzimbiri ndikwabwino. Pofuna kusanthula chifukwa cha dzimbiri la valavu agulugufe, zitsanzo zinatengedwa mmenemo kuti ziunike.
(ii) Chisindikizo cha Flange ndi njira zochizira kutayikira
Pali zinthu zambiri zomwe zimakhudza kusindikiza kwa flange. Zazikuluzikulu ndi izi: kulowetsa bawuti; Kusindikiza pamwamba mtundu; Kuchita kwa gasket; Kuuma kwa flange; Zinthu zogwirira ntchito. Ma flange a ANSI adapangidwa ndi American National Standards Institute kuti apatse makampani amafuta ndi gasi ukadaulo wosindikiza woyenera komanso wogwira ntchito kwazaka zambiri. Komabe, pamene zosowa zamakampani amafuta ndi gasi zasintha, zofooka za ANSI flange zawululidwa. Mfundo yochepetsera mtengo, chitetezo cha chilengedwe, komanso thanzi la anthu ndi chitetezo ndi zomwe ogwira ntchito ndi makontrakitala amakumana nazo m'zaka za zana la 21.
Pomaliza:
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Valve yodziwika bwino ya chipata cha valve: valavu ya chipata cha wedge ndi valavu yofananira ya chipata cha valve imagwiritsidwa ntchito ngati sing'anga yodulirapo, yotseguka kwathunthu pamene zonse zikuyenda molunjika, kutayika kwapakati kuthamanga ndi ** * yaying'ono. Ma valve a zipata nthawi zambiri amakhala oyenerera pazikhalidwe zogwirira ntchito zomwe sizifuna kutsegulira ndi kutseka pafupipafupi, ndikusunga chipata chotseguka kapena kutsekedwa kwathunthu. Osapangidwira kuti agwiritsidwe ntchito ngati chowongolera kapena chowongolera.
Valve yachipata imagwiritsidwa ntchito ngati sing'anga-odulidwa, kutuluka konseko kumayenda molunjika pamene kutsegulidwa kwathunthu, ndipo kutaya kwapakati kwapakati ndi ** * yaying'ono. Ma valve a zipata nthawi zambiri amakhala oyenerera pazikhalidwe zogwirira ntchito zomwe sizifuna kutsegulira ndi kutseka pafupipafupi, ndikusunga chipata chotseguka kapena kutsekedwa kwathunthu. Osapangidwira kuti agwiritsidwe ntchito ngati chowongolera kapena chowongolera. Kwa HIGH Speed ​​​​Speed ​​​​MEDIUM, CHItseko chitha kuchititsa kugwedezeka kwa chipata ngati kutseguka komweko, ndipo kugwedezeka kungathe kuwononga malo osindikizira a chipata ndi mpando, ndipo kutsekemera kumapangitsa kuti chipata chivutike chifukwa cha kukokoloka kwa sing'anga. .
Kuchokera ku mawonekedwe apangidwe, kusiyana kwakukulu ndi mawonekedwe a chinthu chosindikizira chomwe chimagwiritsidwa ntchito. Malinga ndi mawonekedwe a zinthu zosindikizira, ma valve a pachipata nthawi zambiri amagawidwa m'mitundu ingapo, monga ma valve olowera pachipata, ma valve olowera pachipata, ma valve ofananira pazipata ziwiri, zipata ziwiri zotsekera, ndi zina zambiri. mavavu a zipata zofananira.