chitsulo choponyera valavu ya butterfly yambiri

Victaulic OEM ndi Wachiwiri kwa Purezidenti wa Marine Services Didier Vassal adafanizira njira zolumikizira mapaipi a flange ndi grooved ndikufotokozera ubwino wolumikizira mapaipi opindika pamwamba pa ma flanges. Njira zopangira mapaipi oyenerera ndizofunikira pazantchito zosiyanasiyana zomwe zimafunikira pazombo, kuphatikiza machitidwe achiwiri monga machitidwe a bilge ndi ballast, kuziziritsa kwamadzi am'nyanja ndi madzi atsopano, mafuta opaka mafuta, kuteteza moto ndi kuyeretsa sitima. Kwa machitidwewa, pomwe kalasi ya payipi imalola, njira yolumikizira chitoliro chothandizira ku kuwotcherera / flanging ndikugwiritsa ntchito zida zamakina zopukutira, zomwe zimapereka zabwino zambiri, zachuma komanso zothandiza. Izi zikuphatikizapo kupititsa patsogolo ntchito; kuyika ndi kukonza mwachangu komanso kosavuta komanso kuchepetsa kulemera pa bolodi. Nkhani zamagwiridwe M'malo olumikizirana mapaipi opindika, ma flanges awiri okwerera amamangidwa palimodzi ndipo gasket amapanikizidwa kuti apange chisindikizo. Pamene ma bolts ndi mtedza wa flange joint imayamwa ndikubwezera mphamvu ya dongosolo, pakapita nthawi, mabawuti ndi mtedza zimatambasuka ndikutaya kulimba kwawo koyambirira chifukwa cha kusinthasintha kwamphamvu, kuthamanga kwa magwiridwe antchito, kugwedezeka, komanso kufutukuka ndi kutsika kwamafuta. Mabotiwa akamapumula, gasket imataya chisindikizo chake, zomwe zingayambitse kutayikira mosiyanasiyana. Kutengera malo ndi ntchito ya mapaipi, kutayikira kumatha kukhala kokwera mtengo komanso koopsa, zomwe zimapangitsa kukonza / kukonza nthawi ndi zoopsa. Gasket iyenera kusinthidwa pochotsa cholumikizira, chifukwa pakapita nthawi, gasket imamatira pamwamba pa flange. Pochotsa cholumikizira, ma gaskets ayenera kuchotsedwa pazigawo ziwiri za flange, ndipo malowa amayenera kutsukidwa asanalowe m'malo mwa ma gaskets, ndikuwonjezeranso nthawi yokonza. Chifukwa cha mphamvu yolumikizira bawuti ndi kukulitsa ndi kutsika kwa dongosolo, gasket ya flange idzatulutsanso "mapindikidwe" pakapita nthawi, chomwe ndi chifukwa china cha kutayikira. Mapangidwe a malo olumikizira mapaipi amakanika amathetsa mavutowa. Choyamba, groove imapangidwa kumapeto kwa chitoliro, ndipo kugwirizana kwa chitoliro kumakhazikitsidwa ndi olowa, ndipo chotanuka, choyankha kupanikizika cha elastomer gasket chimayikidwa mu mgwirizano. Nyumba yolumikizirana imazungulira kwathunthu gasket, kulimbitsa chisindikizo ndikuchigwira, chifukwa kuphatikizikako kumagwira ntchito ndikupanga cholumikizira chodalirika mumsewu wa chitoliro. Ukadaulo waposachedwa kwambiri wolumikizira umalola mapaipi mpaka mainchesi 24 (600 mm) m'mimba mwake kuti alumikizike ndi mtedza ndi mabawuti awiri okha kuti azitha kudziletsa. Chifukwa cha mgwirizano wamapangidwe pakati pa mapaipi, ma gaskets, ndi nyumba, zolumikizira zamakina zimapanga chisindikizo chapatatu. Ubale uwu udzalimbikitsidwa pamene dongosolo likukakamizidwa. Zolumikizana zolimba komanso zosinthika zimapezeka m'njira ziwiri: zolimba komanso zosinthika. Malo olumikizirana ndi mapaipi opangira ma Groove adadutsa chiphaso chamtundu wa gulu la anthu ndipo amatha kusintha njira zolumikizira zowotcherera / flange m'makina 30, kutengera milingo yokhazikitsidwa ndi bungwe lililonse la certification. Mwachitsanzo, gwiritsani ntchito zomangira zolimba mozungulira madera monga ma manifolds ndi mavavu, pomwe ndizosavuta kuzipeza ndikuzisintha kuposa ma flanges. Chifukwa cha kapangidwe kake, zolumikizira zolimba zimaperekanso kuuma kwa axial ndi ma radial ofanana ndi ma flanges kapena ma welded. Kuphatikiza pa kusuntha kwa chitoliro chifukwa cha kufalikira kwa matenthedwe kapena kugwedezeka, zolumikizira zosinthika zimakhala ndi zabwino pazogwiritsa ntchito pomwe kusuntha kwapakati pakati pa chitoliro ndi mawonekedwe othandizira kumayembekezeredwa. Kukula ndi kutsika kumapangitsa kuti ma flanges ndi mapaipi azikakamiza, zomwe pakapita nthawi zimatha kuwononga gasket. Izi zikachitika, pamakhala chiopsezo chotuluka m'malo olumikizirana mafupa. Kulumikizana kosinthika kwamtundu wa groove kumatha kutengera kusamuka kwa chitoliro mwanjira ya axial movement kapena kutembenuka kwa angular. Pachifukwa ichi, iwo ali oyenera kwambiri kukhazikitsa mapaipi aatali, makamaka pakati pa midadada. Mafunde amadzi amatha kupangitsa kuti ma flanges asungunuke pakapita nthawi, zomwe zimapangitsa kuti pakhale chiwopsezo cha kutayikira komanso kupatukana kwa mapaipi. Kulumikizana kolimba komanso kosinthika kumakhalanso ndi zabwino zochepetsera phokoso ndi kuchepetsa kugwedezeka, popanda kufunikira kwa zida zapadera zochepetsera phokoso ndi mabelu owonongeka a raba kapena zinthu zofananira. Kugwiritsa ntchito makina opangira mapaipi amatha kufulumizitsa ndikuchepetsa kuyika ndi kukonza, ndikuwongolera magwiridwe antchito a mapaipi a sitimayo. Kuyika kosavuta Mukayika kwa nthawi yoyamba, mabowo a bawuti a flange ayenera kulumikizidwa ndendende, kenako kumangirizidwa kukonza cholumikizira. Zolozera za bolt pazitsulo zolowera ndi zotuluka ziyeneranso kulumikizidwa bwino ndi ma flanges pamapaipi olumikizidwa ndi zida. Popeza kuchuluka kwa mabowo pa flange kumatsimikizira chimodzi mwazinthu zambiri zokhazikika, cholumikizira chokha kapena valavu chingazungulidwe kuti chifanane ndi mabowo a bawuti. Kuonjezera apo, mbali ina ya chitoliro cha flange iyeneranso kugwirizana ndi mating flange, zomwe zimawonjezera kuvutika kwa msonkhano komanso chiopsezo cha kusamvana. Dongosolo la mapaipi a grooved alibe vuto ili, ndipo kukhazikitsa ndikosavuta. Mapaipi ndi makwerero amatha kusinthasintha kwathunthu madigiri 360. Palibe bolo la bolt lomwe lingagwirizane, ndipo kulumikizako kumatha kukhazikitsidwa paliponse mozungulira cholumikizira. Kulumikizana kungathe kuzunguliridwa mozungulira chitoliro kuti mufike mosavuta ku ma bolts ndi kupeza mosavuta zipangizo. Kuphatikiza pakuchotsa kusalongosoka pakuyika, mawonekedwe a 360-degree of coupling ndi mawonekedwe ake ang'onoang'ono poyerekeza ndi ma flanges amapangitsa kuyika kwa groove system kukhala koyenera kwambiri pamipata yopapatiza. Kuphatikiza apo, woyikirayo amatha kuyika mabawuti onse pagulu lililonse pamalo omwewo kuti athandizire kuyang'anira ndi kukonza dongosolo. Ma flanges amakhala pafupifupi kawiri m'mimba mwake mwa chitoliro chomwe amalumikizidwa. Pa avareji, zolumikizira zopindika ndi theka la kukula uku. Ubwino wa kamangidwe kakang'ono kameneka kamapangitsa kuti groove ikhale yabwino kwa ntchito zopanda malo, monga malo olowera ndi khoma-chowonadi chomwe chinadziwika kale cha m'ma 1930, pamene ma Victaulic joints anayamba kugwiritsidwa ntchito m'mabwalo a zombo za ku Britain. Kuthamanga kwa msonkhano Chifukwa cholumikizacho chimakhala ndi mabawuti ochepa ndipo sichikhala ndi torque yofikira 12" (300mm), mapaipi opindika amatha kuyikidwa mwachangu kuposa ma flanges. Mosiyana ndi ma flanges omwe amayenera kuwotcherera kumapeto kwa chitoliro, ma valve opangidwa ndi grooved palibe kuwotcherera komwe kumafunikira, komwe kumafupikitsa nthawi yoyika ndikuchotsa kuwonongeka kwa matenthedwe a valve, ndikuchepetsa kuopsa kwa chitetezo pochotsa kukonza matenthedwe. Kuyerekeza kwa mzere wa DIN 150 wa ballast woyikidwa ndi zida za Victaulic grooved ndi njira zolumikizirana zachikhalidwe Kuwonetsa kuti nthawi yonse yoyika yofunikira yachepetsedwa ndi 66% (maola 150.47 amunthu ndi ma 443.16 amunthu). Poyerekeza ndi zolumikizira zolimba 60, nthawi yofunikira kuti muyike ma flange 52 a manja otsetsereka ndi zigongono zowotcherera ndi matiresi zikuwonetsa Kusiyana kwakukulu kwa nthawi. Kulumikizana kumafuna mabawuti awiri okha, ndipo kutalika kwa chitoliro kumatha kufika mainchesi 24 (600 mm). Mosiyana ndi izi, mu kukula kwakukulu, flange imafuna ma seti 20 a mtedza ndi mabawuti. Kuonjezera apo, njira ya Lan iyenera kugwiritsa ntchito ma wrenches apadera kuti awononge nthawi ya nyenyezi kuti athe kuyeza ndikuwonetsetsa kuti ma torque olondola afika. The grooved chubu luso amalola kugwiritsa ntchito muyezo manja zida kusonkhanitsa lumikiza, kamodzi zopalasa bawuti mating a lumikiza nyumba kukumana zitsulo awiri Zokokera akhoza kuikidwa molondola ngati pakufunika zitsulo. Kuyang'ana kosavuta kowoneka kungatsimikizire kusonkhana koyenera. Kumbali inayi, ma flanges samapereka chitsimikiziro chowonekera: njira yokhayo yotsimikizira kusonkhana koyenera ndikudzaza ndi kukakamiza dongosolo, fufuzani zotulukapo ndikumanganso ngati pakufunika Limbani mafupa. Chomwechinso cha makina opangira mapaipi osungika ndikuti imafulumizitsa ma bolts ochepa komanso osafunikira ma torque - komanso imapangitsa kukonza kapena kusinthidwa kukhala ntchito yachangu komanso yosavuta. Mwachitsanzo, kuti mupeze mapampu kapena Kwa mavavu, masulani mabawuti awiri a cholumikizira, ndikuchotsa nyumba ndi gasket pagulu. Mu dongosolo la flange, ma bolt angapo amafunika kuchotsedwa. Pomanganso flange, kuyika koyambirira komwe kumatenga nthawi kumafunika. Kumangitsa kwa bawuti. Chifukwa safunikira kulimbitsanso, kugwirizanitsa kumachotsa zambiri za tsiku ndi tsiku zokhudzana ndi flanges. Mosiyana ndi ma flanges omwe amagwiritsa ntchito kupsinjika kosiyanasiyana pa ma washer, mtedza, ndi mabawuti, zolumikizira zimasintha ma washer kuchokera ku kukanikizana kolondola kwapanja kwa chitoliro. Kuphatikiza apo, chifukwa cholumikizira gasket sichimakhudzidwa ndi mphamvu yayikulu, sichiyenera kusinthidwa pafupipafupi, pomwe gasket ya flange iyenera kusinthidwa panthawi ya disassembly ndi kukonza. Kuti muchepetse phokoso la dongosolo ndi kugwedezeka, kachitidwe ka flange Imafunika mavuvu a mphira kapena mipaipi yoluka yoluka. Zigawozi zimatha kulephera chifukwa cha kutambasula mopitirira muyeso, ndipo pansi pa kuvala ndi kung'ambika kwachibadwa, ziyenera kusinthidwa zaka 10 zilizonse, zomwe zimapangitsa kuti pakhale ndalama komanso nthawi yopuma. Komabe, makina grooved mapaipi Olowa akhoza kutalikitsa moyo wa dongosolo. Kukhoza kwawo kuti agwirizane ndi kugwedezeka kwadongosolo kumachepetsa chiopsezo cha kulephera kwa mgwirizano popanda kufunikira kwa zinthu zapadera zomwe zimafuna kukonza nthawi zonse kapena kusinthidwa. Ma washers a kasupe otanuka omwe amaphatikizidwa muzolumikizana zosinthika komanso zolimba ndizolimba kwambiri ndipo zimatha kupirira kupanikizika kogwira ntchito ndi katundu wa cyclic. Dongosololi limatha kukakamizidwa mobwerezabwereza ndikuphwanyidwa popanda kutopa kwa gasket ya elastomer. Msonkhano wa valve kuchepetsa kulemera nthawi zambiri umakhala ndi zigawo za flange. Komabe, njira yolumikizira iyi idzawonjezera zosafunikira ku dongosolo la mapaipi Kulemera. A 6 inchi (150 mm) valavu ya valavu ya flange imakhala ndi valavu ya butterfly ya lug Imapangidwa, yolumikizidwa ndi khosi la khosi, ndi ma bolt asanu ndi atatu mbali iliyonse ya valve, yolemera pafupifupi mapaundi 85. Gulu la valavu la mainchesi 6 (150 mm) limagwiritsa ntchito valavu yagulugufe yakumapeto, chitoliro chakumapeto, ndi zolumikizira ziwiri zolimba kuti zilumikizane. Imalemera pafupifupi mapaundi 35, omwe ndi 58% yocheperako kuposa msonkhano wa flange. Choncho, msonkhano wa valve grooved ndi wolowa m'malo mwa makampani opanga zombo. Kuyerekeza kwa mapaipi a DIN 150 a ballast omwe adayikidwa pamwambapa akuwonetsa kuti pamene mankhwala a Victaulic grooved amagwiritsidwa ntchito m'malo mwa njira yolumikizira yachikhalidwe, kulemera kwake kumachepetsedwa ndi 30% (2,164 lbs vs. 3,115 lbs). Poyerekeza ndi zomangira zolimba 60, ma flanges otsetsereka 52, ma bawuti ndi ma washers amabweretsa kuwonjezeka kwa kulemera kwa makina owotcherera / flange. Kugwiritsa ntchito grooved chitoliro olowa m`malo flanges akhoza kuchepetsa kulemera ndi oyenera mipope zosiyanasiyana kukula kwake. Kukula kwa kuchepetsa kumadalira m'mimba mwake ya chitoliro ndi mtundu wa ziwalo zomwe zimagwiritsidwa ntchito. Poyesa pogwiritsa ntchito kulumikiza kwa Victaulic 77 (kulumikiza kolemera kwambiri pamndandanda) kulumikiza chitoliro, kulemera kwathunthu kwa gawo lopindika linali lotsika kwambiri kuposa la ma flanges awiri opepuka a PN10 otsetsereka. Kutaya kulemera kumalembedwa motere: 4 "(100mm) - 67%; 12" (300mm) - 54%; 20 mainchesi (500 mm) - 60.5%. Kugwiritsa ntchito mitundu yopepuka ya 75 kapena yolimba yamtundu wa 07 ndi / kapena mitundu yolemera kwambiri ya flange imatha kukwaniritsa kuchepetsa 70%. Mwachitsanzo, flange ya 24-inch (600 mm) yogwiritsidwa ntchito mu TG2 imalemera mapaundi 507, koma zigawo zofanana zomwe zimagwiritsa ntchito Victaulic zimalemera mapaundi 88 okha. Maboti omwe amakonda kugwiritsa ntchito ma grooved couplings m'malo mwa ma flanges pamakina osankhidwa adalemba kuti zombo zothandizira zapanyanja zachepetsa kulemera kwa matani 12 ndipo zombo zapamadzi zachepetsa kulemera ndi matani 44. Mapindu azachuma omwe amabweretsedwa ndi ukadaulo wa zombo kwa eni zombo ndi zoonekeratu: kulemera kopepuka kumatanthauza katundu wambiri kapena okwera komanso kugwiritsa ntchito mafuta ochepa. Zimapangitsanso kugwira ntchito kwa mapaipi a sitimayo kukhala kosavuta. Chitukuko Chifukwa cha liwiro la kuyika mwachangu, kusungika mwamphamvu komanso kulemera kopepuka, makina a chitoliro cham'mapaipi atha kupereka zabwino zambiri kuposa zinthu zofananira za flange. Zinthuzi, kuphatikiza ndi maubwino owonjezera monga kudalirika, kusinthasintha komanso kutsika kwachitetezo chachitetezo, zapangitsa eni zombo, mainjiniya ndi malo oyendetsa zombo kuti asankhe makina amakina a grooved m'malo mwa ma flanges. Njira yomwe ikukula yogwiritsira ntchito ukadaulo wa grooved imathandizidwa ndi ogulitsa zida monga zosinthira kutentha, zoziziritsa kukhosi ndi zoziziritsa kukhosi, komanso opanga ma valve ndi kompresa, ambiri omwe tsopano amapereka zinthu zokhala ndi ma grooved end kulumikizana. Mitundu yosiyanasiyana ya mautumiki omwe angagwiritse ntchito zitoliro za grooved zikuchulukirachulukira. Kutengera kugwiritsa ntchito kwake bwino pamakina amadzi, Victaulic ikupitilizabe mbiri yakale yopanga zida zosagwira moto ndikupeza chilolezo chamtundu wamafuta akunyanja. (Lofalitsidwa mu Epulo 2014 ya Maritime Reporter and Engineering News-http://magazines.marinelink.com/Magazines/MaritimeReporter) Wopanga ntchito ku Offshore a DEME Offshore ananena kuti wapatsidwa kontrakitala yotsala ya fakitale (BoP) yokwana US$1.1 mabiliyoni a... Vietnam ikukambilana ndi akuluakulu a boma la Iran pa nkhani yolanda sitima ya mafuta ya ku Vietnam mwezi watha... ena onyamula nyanja ... Monga Mlembi Deb Haaland posachedwapa adalengeza kuti Unduna wa Zam'kati ukhoza kukhala ndi zisanu ndi ziwiri zatsopano ... kugwiritsa ntchito ukadaulo wobiriwira ndi ma transformer omwe amakwaniritsa zofunikira zachilengedwe BAE Systems, mothandizana ndi atsogoleri ena am'madzi am'madzi, alandila ndalama kuchokera ku dipatimenti yowona zamayendedwe ku UK kuti apange mapangidwe, chitukuko ndikuwonetsa machitidwe osangalatsa amphamvu ndi kuyendetsa Crowley Maritime Corporation ndi Bwanamkubwa Dan McKee lero alengeza kutsegulidwa kwa ofesi yatsopano ya kampani ku Rhode Island kuti apititse patsogolo chitukuko ndi kagwiritsidwe ntchito kakuyika mphamvu zamagetsi kunyanja. Kalata ya Maritime Reporter's e-newsletter ndiye njira yovomerezeka yapakompyuta yomwe imafalitsidwa kwambiri pamakampani otumiza. Zimatumizidwa ku bokosi lanu la makalata kasanu pa sabata.