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 operekera madzi chitoliro, pofuna kuchepetsa kuya kwa payipi nthaka chophimba, m'mimba mwake waukulu wa chitoliro okonzeka ndi gulugufe valavu, ndipo ngati kuya kwa nthaka Kuphunzira si kofunika, yesetsani kusankha valavu pachipata, koma mtengo wa valve yachipata chazomwezo ndi wapamwamba kuposa mtengo wa valavu ya butterfly. 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 yosindikizira yofewa, 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 chipata ndi mbale ya mphira yokhala ndi mphira, ndipo zofunikira zaumisiri wa mbale ya mphira yokhala ndi mphira ndizokwera, ndipo si onse opanga akunja omwe angathe kuzikwaniritsa, ndipo nthawi zambiri amagulidwa ndikusonkhanitsidwa kuchokera ku fakitale ndi odalirika. khalidwe.
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 yakunja, chipika cha mtedza wamkuwa chimayikidwa mu nkhosa yamphongo yokhala ndi mphira kuti ikhale yonse, yomwe imagonjetsa zofooka zomwe zili pamwambazi, koma kusakanikirana 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 valavu, muyeso yoyesa kuthamanga kwa valve, kugwiritsa ntchito wrench ya torque kuti ayang'ane 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 kugwiritsa ntchito valavu ya chipata ndi valavu ya butterfly, kukana kwa valve ya chipata ndikochepa, kusindikiza kusindikiza kuli bwino, chifukwa kayendetsedwe ka kayendedwe ka valve valve ndi sing'anga ndi ngodya yowongoka, ngati valavu ya chipata. sichipezeka m'malo osinthira valavu, sing'anga kupukuta mbale ya valve kumapangitsa kuti mbale ya valve igwedezeke, ndipo ndikosavuta kuwononga chisindikizo cha valve pachipata.
Vavu ya butterfly, yomwe imadziwikanso kuti flap valve, ndi njira yosavuta ya valavu yowongolera, yomwe ingagwiritsidwe ntchito poyang'anira / kuzimitsa kuwongolera kwapaipi yapaipi yapakati pagulu lagulugufe limatanthawuza mbali yotseka (dimba kapena mbale yagulugufe). chimbale, mozungulira kuzungulira valavu shaft kukwaniritsa kutsegula ndi kutseka mtundu wa valavu, valavu angagwiritsidwe ntchito kulamulira otaya mitundu yosiyanasiyana ya madzimadzi monga mpweya, madzi, nthunzi, zosiyanasiyana zikuwononga TV, matope, mafuta, madzi. zitsulo 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 oyenera kunyamula mapaipi osiyanasiyana owononga komanso osawononga amadzimadzi pamakina aukadaulo monga ng'anjo, gasi wamalasha, gasi wachilengedwe, gasi wamafuta amtawuni, mpweya wotentha ndi wozizira, kusungunula kwamankhwala ndi kuteteza chilengedwe, madzi omanga ndi ngalande, ndi zina zotero, ndipo amagwiritsidwa ntchito kuwongolera ndi kuletsa kutuluka kwa media.
Valve yachipata (chitseko cha valve) ndi gawo lotsegula ndi lotseka la chipata, mayendedwe a chipata ndi perpendicular kwa kayendedwe ka madzi, valve yachipata imatha kutsegulidwa ndi kutsekedwa kwathunthu, kusokonezeka kwa magawo a chitseko. osiyana, kawirikawiri 5 °, pamene sing'anga kutentha si mkulu, 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 kumpando wa valve kumbali ina kuti atsimikizire kusindikizidwa kwa malo osindikizira, kumene kuli kudzisindikiza. 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 valve chimayenda molunjika ndi tsinde la valve, chomwe chimatchedwanso valavu yotsegula. 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