Njira yothetsera mavuto ang'onoang'ono a valve Chidziwitso cha ntchito ya valve ndi mfundo yogwirira ntchito

Njira yothetsera mavuto ang'onoang'ono a valve Chidziwitso cha momwe mavavu amagwirira ntchito ndi mfundo yake yogwirira ntchito N'chifukwa chiyani valavu yokhala ndi mipando iwiri imakhala yosavuta kuyendayenda ikugwira ntchito ndi kutsegula pang'ono? Kwa pachimake chimodzi, pamene sing'anga ikutuluka mtundu wotseguka, kukhazikika kwa valve ndikwabwino; Pamene sing'anga imatsekedwa, kukhazikika kwa valve kumakhala kosauka. Valve yapampando iwiri imakhala ndi spool ziwiri, spool yapansi ili mumtsinje wotsekedwa, spool yapamwamba imakhala yotseguka, kotero, mu ntchito yaing'ono yotsegulira, kutuluka kwa mtundu wa spool ndikosavuta kuyambitsa kugwedezeka kwa valve, izi. ndi chifukwa chake valavu yokhala ndi mipando iwiri singagwiritsidwe ntchito potsegula ntchito yaying'ono. Tsinde lake la valve ndi 2 ~ 3 nthawi zokulirapo kuposa tsinde la valavu yowongoka, ndipo kusankha kwa nthawi yayitali yonyamula ma graphite, kuuma kwa tsinde ndikwabwino, kunyamula moyo ndiutali, torque yakukangana ndi yaying'ono, kusiyana kochepa kobwerera. Momwe mungathetsere ma valve ang'onoang'ono ang'onoang'ono 1. Chifukwa chiyani kumakhala kosavuta kusuntha pamene valavu yokhala ndi mipando iwiri ndi yotseguka yaying'ono? Kwa pachimake chimodzi, pamene sing'anga ikutuluka mtundu wotseguka, kukhazikika kwa valve ndikwabwino; Pamene sing'anga imatsekedwa, kukhazikika kwa valve kumakhala kosauka. Valve yapampando iwiri imakhala ndi spool ziwiri, spool yapansi ili mumtsinje wotsekedwa, spool yapamwamba imakhala yotseguka, kotero, mu ntchito yaing'ono yotsegulira, kutuluka kwa mtundu wa spool ndikosavuta kuyambitsa kugwedezeka kwa valve, izi. ndi chifukwa chake valavu yokhala ndi mipando iwiri singagwiritsidwe ntchito potsegula ntchito yaying'ono. 2. Chifukwa chiyani valavu yosindikizira iwiri singagwiritsidwe ntchito ngati valavu yodula? Ubwino wa valavu ya valavu yokhala ndi mipando iwiri ndikuti mphamvu yolinganiza mphamvu imalola kusiyana kwapakati kukhala kwakukulu, pamene choyipa chake chapadera ndi chakuti malo awiri osindikizira sangakhale ogwirizana nthawi imodzi, zomwe zimapangitsa kuti pakhale kutaya kwakukulu. Ngati agwiritsidwa ntchito mwachisawawa komanso mokakamiza kuti adutse mwambowu, mwachiwonekere zotsatira zake sizili zabwino, ngakhale zitakhala kuti zasintha zambiri (monga valavu yosindikizira kawiri), sizofunika. 3, ndi ntchito yanji yowongoka yoletsa mavavu yomwe sikuyenda bwino, magwiridwe antchito otsekereza ma valve ndi abwino? Chowongoka chowongoka cha valve spool ndi vertical throttling, ndipo sing'anga ndi yopingasa yolowera mkati ndi kunja kwa chipinda cholowera cha valve iyenera kubwerera mmbuyo, kotero kuti njira yothamanga ya valve imakhala yovuta kwambiri (mawonekedwe monga "S"). Mwanjira iyi, pali madera ambiri akufa, omwe amapereka danga la mvula ya sing'anga, ndipo m'kupita kwa nthawi, zimayambitsa kutsekeka. Mayendedwe a Angle stroke valve throttling ndi njira yopingasa, sing'anga imalowa ndi kutuluka mopingasa, ndipo ndikosavuta kuchotsa sing'anga yodetsedwa. Panthawi imodzimodziyo, njira yothamanga ndi yophweka, ndipo malo otsetsereka apakati ndi ochepa kwambiri, choncho valve ya Angle stroke imakhala ndi ntchito yabwino yoletsa. 4. Chifukwa chiyani tsinde la valavu yowongoka yowongoka ndi yowonda? Zimaphatikizapo mfundo yosavuta yamakina: mikangano yayikulu yotsetsereka ndi mikangano yaying'ono. Molunjika sitiroko valavu tsinde mmwamba ndi pansi kayendedwe, kunyamula pang'ono mbamuikha pang'ono, izo adzaika valavu tsinde wokutidwa zolimba kwambiri, kutulutsa lalikulu kumbuyo kusiyana. Pachifukwa ichi, tsinde la valavu lapangidwa kuti likhale laling'ono kwambiri, ndipo kulongedzako kumagwiritsidwa ntchito kawirikawiri ndi kagawo kakang'ono kamene kakukangana PTFE kulongedza, kuti achepetse kusiyana, koma vuto ndiloti tsinde la valve ndilochepa, losavuta kupindika. , ndipo moyo wonyamula katundu ndi waufupi. Kuti athetse vutoli, njira yabwino ndikugwiritsa ntchito tsinde la valve yoyendayenda, yomwe ndi mtundu wa Angle stroke wa valve yowongolera, tsinde lake la valve ndi 2 ~ 3 nthawi zokulirapo kuposa tsinde la valve yowongoka, ndi kusankha kwa moyo wautali wa graphite filler. , kuuma kwa tsinde ndikwabwino, kulongedza moyo ndi wautali, torque yolimbana ndi yaying'ono, kusiyana kochepa kobwerera. Valve ya mpira imapangidwa kuchokera ku valavu ya pulagi. Ili ndi mawonekedwe ofanana a 90 degree, kupatula kuti plug body ndi bwalo lozungulira lomwe lili ndi mabowo kapena ngalande kudzera mu axis yake. Mpira ukazunguliridwa ndi madigiri 90, malo ozungulira amayenera kuwonekera polowera ndi potuluka kuti achepetse kutuluka. Mavavu a mpira amangofunika kuzungulira kwa digirii 90 ndi kamphindi kakang'ono kozungulira kuti atseke mwamphamvu. Kufanana kwathunthu kwa valavu yamkati yamkati kumapereka kukana pang'ono, molunjika kudzera munjira yoyenda. Ma valve a mpira ndi oyenera kutsegula ndi kutseka mwachindunji, koma angagwiritsidwe ntchito poyendetsa ndi kuyendetsa. Vavu wamba 1 ma valve a zipata Chipata cha chipata chimagwiritsidwa ntchito ngati sing'anga yodulira, kutuluka konseko kumadutsa molunjika pamene yatseguka, ndipo kutayika 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. ma valve a zipata zofananira. Tsegulani tsinde lamtundu umodzi wa chipata valavu 2 choyimitsa valavu ya Globe imagwiritsidwa ntchito kuti muchepetse kutuluka kwa sing'anga, olamulira a tsinde la valavu yapadziko lonse lapansi ndi perpendicular kwa kusindikiza pamwamba pa mpando, ndipo imasweka ndikuyendetsa mmwamba. ndi kutsika kwa spool. Valavu yoyimitsa ikatsegulidwa kwathunthu, sidzakhalanso ndi kulumikizana pakati pa mpando ndi malo osindikizira, ndikukhala ndi njira yodalirika yodulira, motero kusindikiza kwake kumang'ambika kumang'ambika kumakhala kochepa, chifukwa mipando yambiri yodulira ya valve. ndi valavu chimbale n'zosavuta kukonza kapena m'malo lonse valavu kusindikiza zigawo popanda kuchotsedwa payipi, Izi ndi oyenera ntchito pamene valavu ndi mzere welded pamodzi. Njira yoyendetsera sing'anga kudzera mu valavu yasintha, kotero kukana kwa valve yapadziko lonse lapansi ndikokwera. Madzi omwe amalowetsedwa mu valavu ya globe kuchokera kumunsi kwa spool amatchedwa msonkhano wokhazikika, kuchokera kumtunda wa spool amatchedwa reverse assembly. Pamene valavu ikugwirizanitsa, kutsegula kwa valve ndikopulumutsa ntchito ndipo kutseka kumakhala kovuta. Pamene valavu ikugwirizanitsa, valve imatsekedwa mwamphamvu ndipo kutsegula kumakhala kovuta. Magetsi lathyathyathya globe valve 3 valavu yoyang'ana Cholinga cha valavu yowunikira ndikulola kuti sing'anga iziyenda mbali imodzi yokha ndikuletsa kuyenda kolowera. Kawirikawiri valavu imangogwiritsidwa ntchito, pansi pa kayendetsedwe ka kayendedwe ka madzi m'njira imodzi, diski imatsegula; Pamene madziwa akuyenda mosiyana, kuthamanga kwamadzimadzi ndi diski yodzipiritsa yokha ya valve disc imagwira pampando kuti iwononge kutuluka. Kuphatikizira swing check valve ndi lift check valve. Chovala choyang'ana chopindika 4 valavu yagulugufe Chimbale cha gulugufe cha valavu ya gulugufe chimayikidwa m'mimba mwake momwe chitoliro chimayendera. Mu cylindrical channel of the butterfly valve body, mbale yagulugufe yooneka ngati disc imazungulira mozungulira, ndipo Angle yozungulira ili pakati pa 0 ° ndi 90 °. Vavu ikazunguliridwa ku 90 °, valavu imatsegulidwa kwathunthu. Gulugufe valavu dongosolo losavuta, voliyumu yaying'ono, kulemera kopepuka, magawo ochepa okha. Ndipo kufunikira kokha kuzungulira 90 ° kumatha kutsegula ndi kutseka, ntchito yosavuta. Pamene valavu agulugufe ali pa malo otseguka mokwanira, makulidwe a gulugufe mbale ndi kukana pamene sing'anga umayenda mu valavu thupi, kotero kukana kwaiye ndi valavu ndi kochepa kwambiri, kotero ali ndi makhalidwe abwino otaya kulamulira, kungakhale amagwiritsidwa ntchito kukonza. Vavu ya butterfly ili ndi mitundu iwiri ya zotanuka ndi chisindikizo chachitsulo. Vavu yosindikizira yolimba, mphete yosindikizira imatha kuyikidwa pathupi kapena kumangirizidwa ku mbale yagulugufe mozungulira. Valavu yokhala ndi chisindikizo chachitsulo nthawi zambiri imakhala yayitali kuposa valavu yokhala ndi zotanuka, koma ndizovuta kusindikiza kwathunthu. Chisindikizo chachitsulo chimatha kutengera kutentha kwapamwamba kogwira ntchito, ndipo chosindikizira chotanuka chimakhala ndi vuto lochepa chifukwa cha kutentha. Vavu ya 5 ya mpira imapangidwa kuchokera ku pulagi. Ili ndi mawonekedwe ofanana a 90 degree, kupatula kuti plug body ndi bwalo lozungulira lomwe lili ndi mabowo kapena ngalande kudzera mu axis yake. Mpira ukazunguliridwa ndi madigiri 90, malo ozungulira amayenera kuwonekera polowera ndi potuluka kuti achepetse kutuluka. Mavavu a mpira amangofunika kuzungulira kwa digirii 90 ndi kamphindi kakang'ono kozungulira kuti atseke mwamphamvu. Kufanana kwathunthu kwa valavu yamkati yamkati kumapereka kukana pang'ono, molunjika kudzera munjira yoyenda. Ma valve a mpira ndi oyenera kutsegula ndi kutseka mwachindunji, koma angagwiritsidwenso ntchito pogwedeza ndi kuyendetsa kayendedwe. Mbali yaikulu ya valavu mpira ndi kapangidwe kake yaying'ono, zosavuta ntchito ndi kusamalira, oyenera madzi, solvents, zidulo ndi mpweya wachilengedwe ndi zina zonse ntchito TV, komanso oyenera zinthu osauka ntchito TV, monga mpweya, hydrogen peroxide, methane, ethylene, utomoni, etc. Mpira valavu thupi akhoza kukhala ofunikira, angathenso pamodzi. Valavu ya diaphragm ya diaphragm imalumikizidwa ndi zotanuka diaphragm pa gawo loponderezedwa, gawo loponderezedwa limasunthidwa mmwamba ndi pansi ndi ntchito ya tsinde, pamene gawo loponderezedwa likukwera, diaphragm imakwezedwa, ndikupanga njira, pamene gawo loponderezedwa limagwa. , diaphragm imapanikizidwa pathupi, valavu imatsekedwa. Valavu iyi ndi yoyenera kutsegula ndi kugwedeza. Valavu ya diaphragm ndiyoyenera kwambiri kunyamula zowononga, zowoneka bwino zamadzimadzi, ndipo makina opangira ma valve sawonekera pamayendedwe amadzimadzi, chifukwa chake sichidzaipitsidwa, osafunikira kulongedza, gawo lonyamula tsinde silingadutse. 7 valavu yopumula MFUNDO ZOCHITIKA PA VAVU YOTHANDIZA ZINAZANIKIRA PA KUSINTHA KWA NTCHITO, PAMENE PAKANIKIZO PA DISC IKAKULU KUPOSA SPRING SET PRESSURE, DISC IDZAKHANIKITSIDWA KUCHOKERA NDI MPHAMVU IMENEYI, NDI MAGSI (ZADZIDZIWI) MU CHOPANIZA CHOCHITIKA CHIDZAtayidwa KUTI UCHEPE KUPANIZIDWA MU CHOPANIZIRA CHOCHITA. 8 regulator Regulating valve main work principle, ndikusintha malo oyenda pakati pa disc valve ndi mpando, kusintha kupanikizika, kuyenda ndi magawo ena a cholinga. Gawoli makamaka limayambitsa dongosolo lalikulu la thupi la valavu ndi chigawo cha valve, mawonekedwe othamanga a valavu ndi njira yothetsera vuto la phokoso la cavitation lapakati pa valve.