Ma valve a zipatandivalavu butterflyamagwiritsidwa ntchito ngati masiwichi kuwongolera kuchuluka kwa kayendedwe ka mapaipi. Zoonadi, pali njira zopangira ma valve a butterfly ndi ma valve a zipata.
Mu maukonde madzi chitoliro, pofuna kuchepetsa kuya kwa payipi nthaka kuphimba, m'mimba mwake waukulu wa chitoliro okonzeka ndi valavu gulugufe, ndipo ngati kuya kwa nthaka Kuphunzira si kofunika, yesetsani kusankha valavu pachipata, koma mtengo wa valavu pachipata cha mfundo zomwezo ndi apamwamba kuposa mtengo wa gulugufe valavu. Ponena za mzere woyika malire, dera lililonse liyenera kuganiziridwa motsatira njira. Kuchokera pakuwona kugwiritsidwa ntchito kwa zaka khumi zapitazi, kulephera kwa valavu ya butterfly ndikwambiri kuposa kwavalve pachipata, kotero ndikofunika kumvetsera kuti muwonjezere kugwiritsira ntchito valavu yachipata ngati mikhalidwe ikuloleza.
M'zaka zaposachedwa, opanga ma valve ambiri apakhomo apanga ndi kutsanzira mavavu a zipata zofewa, omwe ali ndi izi kuposa ma valavu achikhalidwe kapena ofanana ndi ma valve apakhomo:
Thevalavuthupi ndi bonnet ya valavu yosindikizira yachipata chofewa imaponyedwa ndi njira yolondola yoponyera, yomwe imapangidwa nthawi imodzi, osati makina, ndipo sagwiritsa ntchito mphete zamkuwa zosindikizira, kupulumutsa zitsulo zopanda chitsulo.
Palibe dzenje pansi pakevalavu yotsekera pachipata, palibe kudzikundikira slag, ndi kulephera mlingo wavalve pachipatakutsegula ndi kutseka kuli kochepa.
Chisindikizo chofewa chokhala ndi valavu chimakhala chofanana kukula kwake ndipo chimasinthasintha kwambiri.
Choncho, valve yofewa yotsekera pakhomo idzakhala mawonekedwe omwe makampani operekera madzi amasangalala kutengera. Pakalipano, m'mimba mwake wa valve yofewa yosindikizira yomwe imapangidwa ku China ndi 1500mm, koma m'mimba mwake mwa opanga ambiri ali pakati pa 80-300mm, ndipo pali mavuto ambiri pakupanga zoweta. Chigawo chofunika kwambiri cha valve yofewa yosindikizira pachipata ndi mbale ya mphira yokhala ndi mphira, ndipo zofunikira zaumisiri za mbale ya mphira yokhala ndi mphira ndizokwera, ndipo si onse opanga akunja omwe angathe kuzikwaniritsa, ndipo nthawi zambiri amagulidwa ndikusonkhanitsidwa kuchokera ku fakitale ndi khalidwe lodalirika.
Nati yamkuwa ya chisindikizo chofewa chapakhomovalve pachipataimayikidwa ndikupachikidwa pamwamba pa valavu ya mphira, yofanana ndi mawonekedwe a valavu yachipata, ndipo mphira ya mphira ya mbale ya valve ndiyosavuta kusweka chifukwa cha kukangana kwa nati. Kwa valavu yofewa yosindikizira ya kampani yachilendo, chipika cha mtedza wamkuwa chimalowetsedwa mu nkhosa yamphongo yokhala ndi mphira kuti ikhale yonse, yomwe imagonjetsa zofooka zomwe zili pamwambazi, koma kukhazikika kwa kuphatikiza kwa chivundikiro cha valve ndi thupi la valve ndipamwamba.
Komabe, potsegula ndi kutseka chitseko chofewa chosindikizira chisindikizo, sichiyenera kutsekedwa kwambiri, pokhapokha ngati madzi oletsa madzi akupezeka, mwinamwake sikophweka kutsegula kapena kuchotsa mphira wa rabara. Wopanga ma valve, muyeso yoyesera ya valve, kugwiritsa ntchito wrench ya torque kuti ayang'anire mlingo wa kutseka, monga oyendetsa ma valve a kampani yamadzi ayeneranso kutsatira njira iyi yotsegula ndi kutseka.
Kodi pali kusiyana kotani pakati pa kugwiritsa ntchitovalavu butterflyndima valve pachipata?
Malinga ndi ntchito ndi ntchito ya valavu pachipata ndi valavu gulugufe, kukana otaya chipata valavu ndi yaing'ono, ntchito yosindikiza ndi bwino, chifukwa otaya valavu mbale chipata ndi sing'anga ndi ngodya ofukula, ngati valavu pachipata si m'malo mu valavu mbale chosinthira, sing'anga scouring mbale valavu kumapangitsa valavu mbale kugwedezeka, ndipo n'zosavuta kuwononga chisindikizo valavu chipata.
Gulugufe valavu, wotchedwanso valavu valavu, ndi dongosolo losavuta la valavu zowongolera, amene angagwiritsidwe ntchito pa/kusiya ulamuliro wa otsika-anzanu payipi sing'anga valavu gulugufe amatanthauza kutsekereza mbali (chimbale kapena gulugufe mbale) monga chimbale, mozungulira kuzungulira valavu valavu kukwaniritsa kutsegula ndi kutseka kwa mtundu wa valavu, valavu angagwiritsidwe ntchito kulamulira mitundu yosiyanasiyana ya valavu, valavu angagwiritsidwe ntchito kulamulira osiyanasiyana mpweya madzimadzi, zosiyanasiyana valavu, mpweya madzi otaya, osiyanasiyana mpweya madzimadzi, valavu angagwiritsidwe ntchito kulamulira osiyanasiyana mpweya madzimadzi, zosiyanasiyana mpweya madzi otaya, valavu angagwiritsidwe ntchito kulamulira mpweya zosiyanasiyana, mpweya madzi, osiyanasiyana TV, mpweya. matope, mafuta, zitsulo zamadzimadzi ndi ma radioactive media. Zimagwira makamaka ntchito yodula ndi kugwedeza paipi. Mbali ya gulugufe yotsegula ndi kutseka ndi mbale ya butterfly yooneka ngati diski, yomwe imazungulira mozungulira muzitsulo zake mu thupi la valve, kuti akwaniritse cholinga chotsegula ndi kutseka kapena kusintha.
Gulugufe mbale imayendetsedwa ndi tsinde la valve, ndipo ngati itembenuza 90 °, ikhoza kumaliza kutsegula ndi kutseka. Posintha mbali yokhotakhota ya gulugufe, kuthamanga kwa sing'anga kumatha kuwongoleredwa.
Nthawi zogwirira ntchito ndi zapakati:Valve ya butterflyndi yoyenera kunyamula mapaipi osiyanasiyana owononga komanso osawononga amadzimadzi pamakina opangira uinjiniya monga ng'anjo, gasi wamalasha, gasi wachilengedwe, gasi wamafuta amafuta, mpweya wamzinda, mpweya wotentha ndi wozizira, kusungunula mankhwala ndi kuteteza chilengedwe, kumanga madzi ndi ngalande, etc.
Valve yachipata (valavu yachipata) ndi gawo lotsegula ndi lotseka la chipata, kayendetsedwe ka kayendetsedwe ka chipata ndi perpendicular kwa kayendedwe ka madzi, valavu ya pakhomo imatha kutsegulidwa kwathunthu ndi kutsekedwa, kusokonezeka kwa magawo a khomo kumakhala kosiyana, kawirikawiri 5 °, pamene kutentha kwapakati sikuli kwakukulu, ndi 2 ° 52′. Kuti apititse patsogolo kupangika kwake ndikupangitsanso kupatuka kwa ngodya yosindikizira pokonza, nkhosa yamtundu uwu imatchedwa zotanuka ram.
Pamene avalve pachipatachatsekedwa, malo osindikizira amatha kudalira kukakamiza kwapakatikati kuti asindikize, ndiko kuti, kungodalira kukakamiza kwapakatikati kuti akanikizire kusindikiza pamwamba pa nkhosa yamphongo ku mpando wa valve kumbali ina kuti atsimikizire kusindikiza kwa malo osindikizira, omwe amadzisindikiza okha. Ma valve ambiri a pakhomo amatsekedwa mwamphamvu, ndiko kuti, pamene valavu yatsekedwa, nkhosa yamphongo iyenera kukanikizidwa mwamphamvu kumpando wa valve ndi mphamvu yakunja kuti iwonetsetse kulimba kwa malo osindikizira.
Mayendedwe: Chipata cha chipata cha valavu chimayenda molunjika ndi tsinde la valve, chomwe chimatchedwanso valavu yotseguka. Nthawi zambiri pamakhala ulusi wa trapezoidal pa ndodo yokweza, kudzera mu mtedza pamwamba pa valavu ndi poyambira pa valavu, kusuntha kozungulira kumasinthidwa kukhala kusuntha kwa mzere, ndiko kuti, torque yogwiritsira ntchito imasinthidwa kukhala kuyendetsa. Pamene valavu imatsegulidwa, pamene msinkhu wokweza nkhosa wamphongo uli wofanana ndi 1: 1 nthawi ya valve m'mimba mwake, kutuluka kwamadzimadzi kumakhala kosasunthika, koma malowa sangathe kuyang'aniridwa panthawi ya ntchito. Pogwiritsidwa ntchito kwenikweni, imadziwika ndi vertex ya tsinde, ndiko kuti, malo omwe sangathe kutsegulidwa, monga malo ake otseguka. Pofuna kuwerengera zochitika zotsekera za kusintha kwa kutentha, nthawi zambiri zimatsegulidwa kumalo apamwamba, ndikubwezeretsanso ku 1 / 2-1 kutembenuka ngati malo a valve yotseguka. Choncho, malo otseguka a valve amatsimikiziridwa ndi malo a nkhosa (ie sitiroko). Nati ya tsinde lachipata ili pachipata, ndipo gudumu lamanja limazungulira kuyendetsa tsinde la valve kuti lizizungulira, ndipo mbale yachipata imakwezedwa, valavu iyi imatchedwa valavu ya rotary rod gate kapena valavu yachipata chakuda.
Nthawi yotumiza: Aug-22-2024
