Gukoresha Valve no kubungabunga ubumenyi bwibanze: kwishyiriraho valve bigomba kwitondera ibibazo nibisobanuro

Gukoresha Valve no kubungabunga ubumenyi bwibanze: kwishyiriraho indangagaciro bigomba kwitondera ibibazo nibisobanuro Bimwe mubipimo fatizo bifite ibipimo byigihugu nishami. Diameter nominal ya inlet na outlet pass ya valve yitwa diameter nominal ya valve. Ihagarariwe na Dg (urwego rwigihugu Dn rwo kugerageza), muri milimetero (mm). Diameter nominal ya valve isobanuwe murwego rwigihugu GB1074-70. Nominal diameter urukurikirane rwimyanya irerekanwa mumeza 1-1. Mubihe bisanzwe, diameter nominal ya valve ihuye na diameter nyirizina. Hano haribintu byerekana ko diameter nominal idahuye na diameter nyirizina ya valve yahimbwe ikoreshwa mu nganda zikomeye za chimique na peteroli. Umuvuduko wizina wa valve witwa igitutu nominal ya valve. Byerekanwa na Pg (urwego rwigihugu rugaragazwa na PN, urwego rwumuvuduko ni bar), naho igice ni kg imbaraga / cm2 (kgf / cm2). Niba Pg16 yaranzwe kuri valve, umuvuduko wizina wa valve ni 16 kg imbaraga / cm 2. Umuvuduko wizina wa valve ugaragara mubipimo byigihugu GB1048-70. Urutonde rwumuvuduko wa nomero rwerekanwe kumeza 1-2. Ubushobozi bwumuvuduko nyawo wa valve akenshi ni nini cyane kuruta umuvuduko wizina wa valve, wagenewe gusuzuma ibintu byumutekano. Mu mbaraga z'igeragezwa ryumuvuduko wa valve, ukurikije ibiteganijwe kwemererwa kurenza igitutu cyizina, mumikorere yimikorere ya valve, igabanijwe cyane kubikorwa byumuvuduko, mubisanzwe hitamo munsi yumuvuduko wizina. Icya gatatu, isano iri hagati yumuvuduko wakazi wa valve nubushyuhe bwakazi bwa valve mumikorere yimikorere yumuvuduko byitwa umuvuduko wakazi wa valve, ujyanye nibikoresho hamwe nubushyuhe bwakazi bwikigereranyo cya valve . Uhagarariwe na P, igishushanyo kiri hepfo yiburyo bwijambo P ni hagati ya ** ubushyuhe bwo hejuru bugabanijwe na 10 integer. Kurugero, P42 yerekana umuvuduko wakazi wurwego rwa valve kurwego rwo hejuru rwa 425 ℃. Kwemeza ubushyuhe bwakazi hamwe nimbaraga nini zakazi zihindura imbonerahamwe. Reba Imbonerahamwe 1-3, 4, 5. Urugero rwo gusaba: ingufu za 40kg / cm 2 icyuma cya karubone mucyerekezo giciriritse cya 425 ℃ kumuyoboro, igitutu kinini cyakazi ni bangahe batandatu ba mbere kumeza 1- Inkingi ya 3 ya karubone, shakisha ubushyuhe bwakazi bwa 425 ℃ gride kugirango urebe hasi, hanyuma urebe inkingi yumuvuduko wizina ya 40 kg imbaraga / cm 2 gride kugirango urebe hasi, Umubare uhuza utubari tubiri ni the umuvuduko ntarengwa wakazi P4222 kg / cm 2 yiyi karuboni yicyuma Ikigereranyo gikwiye cya valve nikintu kigomba kwitabwaho mugushushanya no guhitamo valve. Nigute ushobora kumenya "igikoresho giciriritse" nyamuneka soma icyitegererezo cya valve nigitabo cyo kurwanya ruswa kimwe nogukoresha no gufata neza valve Ubumenyi: igikoresho cyo kwishyiriraho kigomba kwitondera ibibazo nibisobanuro byerekana aho washyizeho, bigomba kuba byoroshye kuri imikorere: niyo kwishyiriraho bigoye byigihe gito, ariko kandi kubikorwa byigihe kirekire byumukoresha. Nibyiza ko intoki ya valve ihujwe nigituza (muri rusange metero 1,2 uvuye aho ikorera), kuburyo byoroshye gufungura no gufunga valve. Intoki ya valve hasi igomba kuba hejuru, ntugoreke, kugirango wirinde gukora nabi. Imashini yurukuta iterwa na valve yibikoresho, ariko kandi igasiga umwanya kugirango uyikore ahagarare. Mbere yo kwishyiriraho, valve igomba kugenzurwa kugirango igenzure ibisobanuro hanyuma wandike kandi umenye niba hari ibyangiritse, cyane cyane kuruti rwa valve. Valve yububiko bwiza, bigira ingaruka kumikoreshereze, ugomba rero kwitondera neza. . kora na gato (nko kugabanya indangagaciro), ndetse bigatera akaga (nka cheque valve). Umuyoboro rusange, ikimenyetso cyerekezo kumubiri wa valve; Niba atari byo, bigomba kumenyekana neza ukurikije ihame ryakazi rya valve. Icyumba cya valve cyumubumbe wisi ntigisanzwe, amazi agomba kureka kuva hasi kugeza hejuru unyuze ku cyambu cya valve, kugirango irwanya amazi iba nto (igenwa nuburyo), fungura imbaraga zo kuzigama (kubera umuvuduko wo hagati uzamuka) , gufunga nyuma yuburyo budahwitse bwo gupakira, kubungabunga byoroshye, niyo mpamvu umubumbe wisi udashobora guhinduka. Izindi valve nazo zifite imiterere yazo. Umwanya wo kwishyiriraho umwanya, ugomba kuba woroshye kubikorwa: nubwo kwishyiriraho bigoye byigihe gito, ariko kandi kubikorwa byigihe kirekire byumukoresha. Nibyiza ko intoki ya valve ihujwe nigituza (muri rusange metero 1,2 uvuye hasi), kuburyo byoroshye gufungura no gufunga valve. Intoki ya valve hasi igomba kuba hejuru, ntugoreke, kugirango wirinde gukora nabi. Imashini yurukuta iterwa na valve yibikoresho, ariko kandi igasiga umwanya kugirango uyikore ahagarare. Kwirinda ibikorwa byo guterura, cyane cyane aside na alkali, itangazamakuru ryangiza, naho ubundi ntabwo ari umutekano. Ntugahanagure irembo (ni ukuvuga uruziga rw'intoki hasi), bitabaye ibyo urwego ruzaguma mu mwanya wa bonnet umwanya muremure, byoroshye korora uruti, kandi kubintu bimwe na bimwe bisabwa bivuguruzanya. Ntibyoroshye guhindura ipaki icyarimwe. Fungura amarembo yumudugudu, ntugashyire mubutaka, bitabaye ibyo kubera ruswa yatose igaragara. Kuzamura igenzura, gushiraho kugirango umenye neza ko disiki ihagaritse, kugirango guterura byoroshye. Kugenzura kugenzura, mugihe ushyizweho kugirango umenye neza urwego rwa pin, kugirango swing ihindagurika. Kugabanya valve bigomba gushyirwaho neza kumuyoboro utambitse, kandi ntugahindukire mu cyerekezo icyo aricyo cyose. (2) Ibikorwa byubwubatsi Kwubaka no kubaka bigomba kwitonda kugirango udakubita valve ikozwe mubikoresho byoroshye. Mbere yo kwishyiriraho, valve igomba kugenzurwa kugirango igenzure ibisobanuro hanyuma wandike kandi umenye niba hari ibyangiritse, cyane cyane kuruti rwa valve. Hindura kandi inshuro nke kugirango urebe niba ihindagurika, kuko mugihe cyo gutwara abantu, biroroshye guhonda igiti cya valve. Nanone imyanda iri muri valve. Iyo uteruye valve, umugozi ntugomba guhambirwa ku ntoki cyangwa uruti kugirango wirinde kwangirika kwibi bice, ugomba guhambirwa kuri flange. Kubirindiro bihujwe numuyoboro, menya neza koza. Umwuka ucanye urashobora gukoreshwa muguhanagura ibyuma bya okiside ya fer, umucanga, gusudira hamwe nindi myanda. Iyi sundries, ntabwo byoroshye gushushanya hejuru yikimenyetso cya valve, harimo nuduce twinshi twa sundries (nka selding slag), ariko kandi irashobora guhagarika valve ntoya, kuburyo itananirwa. Mugihe ushyizemo valve ya screw, gupakira kashe (urudodo namavuta ya aluminium cyangwa polytetrafluoroethylene umukandara wibikoresho fatizo) bigomba gupfunyika kumutwe wumuyoboro, ntukinjire mumurongo, kugirango udahindura ibicuruzwa byibukwa, bigira ingaruka kumurongo wibitangazamakuru. Mugihe ushyiraho flanges flanges, witondere gukomera kuri bolts muburyo bumwe kandi buringaniye. Valve flange na pipe flange igomba kuba ibangikanye, isobanutse neza, kugirango wirinde umuvuduko ukabije, cyangwa no kumena valve. Cyane cyane kubikoresho byacitse hamwe na valve n'imbaraga nke. Imyanda igomba gusudwa nu miyoboro igomba kubanza gusudwa neza, hanyuma igafungura byuzuye ibice byo gufunga, hanyuma igasudira yapfuye. . Imirongo ishyushye ishyushye rimwe na rimwe yongerwaho. Ni ubuhe bwoko bwa valve bugomba gukingirwa cyangwa kugumishwa ubukonje, ukurikije ibikenerwa mu musaruro. Ihame, aho uburyo bwo muri valve bugabanya ubushyuhe cyane, bizagira ingaruka kumikorere cyangwa guhagarika valve, ugomba gukomeza ubushyuhe, cyangwa no kuvanga ubushyuhe; Iyo indangagaciro zerekanwe, zangiza umusaruro cyangwa zitera ubukonje nibindi bintu bibi, birakenewe gukomeza ubukonje. Ibikoresho byo kubika ni asibesitosi, ubwoya bwa slag, ubwoya bwikirahure, perlite, diatomite, vermiculite, nibindi.; Ibikoresho bikonje birimo cork, perlite, ifuro, plastike nibindi. . Hashyizweho bypass. Biroroshye gusana umutego. Izindi valve, nazo zashyizweho na bypass. Niba washyiraho bypass, biterwa na valve imiterere, akamaro nibisabwa. . Abakora ibicuruzwa ntibashobora gutekereza ku gukoresha ibihumbi n'ibihumbi by'ibitangazamakuru bitandukanye, agasanduku kuzuza buri gihe kuzura imizi isanzwe, ariko iyo ikoreshejwe, igomba kureka uwuzuza mu buryo bwo kumenyera. Mugihe usimbuye uwuzuza, kanda muruziga. Buri mpeta ikurikirana kugeza kuri dogere 45 irakwiriye, impeta nimpeta ifunguye dogere 180. Uburebure bwo gupakira bugomba gutekereza icyumba cya gland kugirango gikomeze gukanda. Kugeza ubu, igice cyo hepfo ya glande kigomba gukanda icyumba cyo gupakira kugeza ubujyakuzimu bukwiye, muri rusange gishobora kuba 10-20% yuburebure bwuzuye bwicyumba cyo gupakira. Kubisabwa byinshi cyane, Inguni ihuriweho ni dogere 30. Ikirangantego kiri hagati yimpeta kinyeganyezwa na dogere 120. Usibye ibyuzuye byavuzwe haruguru, birashobora kandi ukurikije uko ibintu byifashe, gukoresha reberi O-impeta (kurwanya reberi karemano iri munsi ya dogere selisiyusi 60 za alkali nkeya, ariko butadiene reberi irwanya dogere 80 selisiyusi ya peteroli, Fluorine reberi iri munsi ya dogere selisiyusi 150 ibitangazamakuru bitandukanye byangirika) ibice bitatu byegeranye impeta ya polytetrafluoroethylene (irwanya munsi ya dogere selisiyusi 200 itangazamakuru ryangirika) impeta ya nylon impeta (kurwanya munsi ya dogere selisiyusi 120 ammonia, alkali) nibindi byuzuza. Igice cya polytetrafluoroethylene (PTFE) kaseti y'ibikoresho fatizo yazengurutswe hanze ya disiki isanzwe ya asibesitosi, ishobora kunoza uburyo bwo gufunga no kugabanya kwangirika kwamashanyarazi yibiti bya valve. Iyo ukanze ikirungo, ni ngombwa kuzunguruka icyarimwe icyarimwe kugirango ugumane kimwe kandi wirinde gupfa cyane. Birakenewe kwizirika glande neza kandi ntigoramye.