Gabatarwa zuwa Butterfly valves

Butterfly bawuloli

Bawul ɗin Butterfly bawul ɗin motsi ne na juyi-biyu, wanda ake amfani da shi don tsayawa, daidaitawa, da fara kwarara.

Bawuloli na malam buɗe ido suna da sauƙi da sauri don buɗewa. Juyawa 90 ° na rike yana ba da cikakkiyar rufewa ko buɗe bawul. Manyan bawul ɗin Butterfly yawanci ana sanye su da abin da ake kira gearbox, inda aka haɗa ƙafar hannu ta gears zuwa tushe. Wannan yana sauƙaƙa aikin bawul ɗin, amma a farashin saurin gudu.

Nau'in Butterfly valves

Butterfly valves yana da ɗan gajeren jiki mai madauwari, faifan zagaye, karfe-zuwa-karfe ko kujeru masu laushi, ɗorawa na sama da ƙasa, da akwatin shaƙewa. Gina jikin bawul ɗin Butterfly ya bambanta. Tsarin da aka saba amfani dashi shine nau'in wafer wanda ya dace tsakanin flange biyu. Wani nau'i kuma, ƙirar wafer lug, ana gudanar da shi a tsakanin flanges biyu ta ƙugiya waɗanda ke haɗuwa da flange biyu kuma su wuce ta cikin ramukan da ke cikin kwandon bawul. Akwai ma bawuloli na malam buɗe ido tare da ƙarshen walda, zare da zare, amma ba sau da yawa ana amfani da su.

Bawuloli na malam buɗe ido suna da fa'idodi da yawa akan kofa, globe, filogi, da bawul ɗin ball, musamman don manyan aikace-aikacen bawul. Ajiye a cikin nauyi, sarari, da farashi sune fa'idodin bayyane. Kudin kulawa yawanci yana da ƙasa saboda akwai ƙarancin adadin sassa masu motsi kuma babu aljihun tarkon ruwa.

Bawul ɗin malam buɗe ido sun dace musamman don sarrafa manyan ruwa ko iskar gas mai ƙarancin matsi da kuma sarrafa slurries ko ruwa mai yawa tare da daskararru masu yawa.

An gina bawul ɗin malam buɗe ido akan ka'idar damp ɗin bututu. Abun sarrafa kwarara shine faifai mai kusan diamita ɗaya da diamita na ciki na bututun da ke kusa, wanda ke juyawa akan ko dai a tsaye ko a kwance. Lokacin da faifan ya ta'allaka daidai da aikin bututun, an buɗe bawul ɗin gabaɗaya. Lokacin da faifan faifan ya kusanci wurin da yake tsaye, ana rufe bawul ɗin. Matsakaicin matsayi, don dalilai masu maƙarƙashiya, ana iya kiyaye su ta wurin na'urorin kulle-kulle.

Butterfly bawul Seat Construction

Tsayar da kwararar ruwa yana samuwa ta hanyar hatimin faifan bawul a kan wurin zama da ke gefen diamita na ciki na jikin bawul. Yawancin bawuloli na Butterfly suna da wurin zama na elastomeric wanda faifan ya rufe. Sauran bawuloli na Butterfly suna da tsarin zobe na hatimi wanda ke amfani da zoben manne da zobe na goyan baya akan zoben roba mai gefe. Wannan zane yana hana extrusion na O-zobba.

A cikin ƙirar farko, an yi amfani da faifan ƙarfe don rufe wurin zama na ƙarfe. Wannan tsari bai samar da ƙulli mai tsauri ba, amma ya samar da isasshiyar rufewa a wasu aikace-aikace (watau layin rarraba ruwa).

Butterfly bawul Gina Jikin

Butterfly bawul gina jiki ya bambanta. Mafi arha shine nau'in wafer wanda ya dace tsakanin flanges na bututun biyu. Wani nau'in, ƙirar wafer lug, ana riƙe a wuri tsakanin filayen bututu guda biyu ta ƙugiya waɗanda ke haɗa flange biyu kuma su wuce ta cikin ramuka a cikin kwandon bawul na waje. Ana samun bawul ɗin malam buɗe ido tare da ƙarshen flanged na al'ada don rufewa zuwa flanges bututu, kuma a cikin ginin ƙarshen zaren.

Wurin zama Disk da Tushen bawul ɗin Butterfly

Tushen da faifai don bawul ɗin Butterfly guda ne daban. Faifan ya gundura don karɓar kara. Ana amfani da hanyoyi guda biyu don amintar da faifan zuwa tushe ta yadda faifan ya juya yayin da aka juya tushe. A cikin hanyar farko, faifan yana gundura ta hanyar kuma amintacce zuwa tushe tare da kusoshi ko fil. Madadin hanyar ya ƙunshi gundura faifai kamar da, sannan a tsara babban tushe don dacewa da tushe mai murabba'i ko hex. Wannan hanya tana ba da damar faifai don "tasowa" kuma ya nemi cibiyarsa a wurin zama. An cika hatimi na Uniform kuma an kawar da maɗauran tushe na waje. Wannan hanyar haɗuwa tana da fa'ida a cikin yanayin fayafai da aka rufe da kuma a aikace-aikace masu lalata.

Domin faifan ya kasance a riƙe a daidai matsayi, dole ne tushe ya wuce kasan faifan kuma ya shiga cikin wani daji a cikin kasan jikin bawul. Guda ɗaya ko biyu makamancin haka suna tare da babban ɓangaren tushe kuma. Dole ne waɗannan gandun daji su kasance masu juriya ga kafofin watsa labaru da ake sarrafa su ko kuma a rufe su ta yadda kafofin watsa labaru ba za su iya yin hulɗa da su ba.

Ana yin hatimin tushe ko dai tare da tattarawa a cikin akwati na al'ada ko ta hanyar hatimin O-ring. Wasu masana'antun bawul, musamman waɗanda suka ƙware wajen sarrafa kayan lalata, suna sanya hatimin tushe a cikin bawul ɗin ta yadda babu wani abu da bawul ɗin ke sarrafa shi da zai iya haɗuwa da tushen bawul ɗin. Idan akwatin shaƙewa ko zoben O-ring na waje ana aiki, ruwan da ke wucewa ta bawul ɗin zai haɗu da tushen bawul ɗin.

Aikace-aikace na yau da kullun na bawul ɗin Butterfly

Ana iya amfani da bawul ɗin Butterfly a cikin sabis na ruwa daban-daban kuma suna aiki da kyau a aikace-aikacen slurry. Wadannan su ne wasu aikace-aikace na yau da kullum na Butterfly valves:

• Ruwan sanyaya, iska, iskar gas, kariyar wuta da sauransu.
• Slurry da makamantan ayyuka
• Sabis na Vacuum
• Babban matsi da ruwan zafi mai zafi da sabis na tururi

Fa'idodin Butterfly valves

• Ƙirar ƙira tana buƙatar ƙarancin sarari, idan aka kwatanta da sauran bawuloli
• Haske cikin nauyi
• Aiki mai sauri yana buƙatar ɗan lokaci don buɗewa ko rufewa
• Akwai a cikin manya-manyan girma dabam
• Ƙarƙashin ƙarancin ƙarfi da farfadowa mai ƙarfi

Rashin lahani na Butterfly valves

• Sabis na maƙarƙashiya yana iyakance ga ƙananan matsa lamba
• Cavitation da shake kwarara abubuwa ne masu yuwuwar damuwa guda biyu
• Motsin fayafai ba shi da jagora kuma tashin hankali ya shafa

Vanessa sau uku biya diyya na malam buɗe ido

Bayanin Mawallafin…

Gasket da shigar da bawuloli na Butterfly

A ranar 14 ga Satumba, 2012 na sami imel tare da sharhi mai zuwa:

Ina da wata shawara a gare ku cewa ban tsammanin an yi magana a kan rukunin yanar gizonku ba, wanda shine bayyana nau'in gasket don amfani da bawul ɗin Butterfly daban-daban (Nau'in E ko F) da kuma irin nau'in flange na abokin tarayya ya kamata a yi amfani da shi (RF ko). FF), da kuma lokacin da gasket ba lallai ba ne saboda wasu bawul ɗin Butterfly suna da gasket ɗin haɗin gwiwa. Na gano cewa sau da yawa ana samun rudani a kan wannan batu.

Kyakkyawan kallo don haka mai zuwa:

Umarnin shigarwa daga mai sayarwa na Butterfly valves:
An ƙera bawul ɗin don amfani tsakanin kowane nau'i na Flat ko Tashe Fuska.
KAR KA YI AMFANI DA GASKEN FLANGE.Tsarin bawul ɗin Butterfly yana iyakance buƙatar gaskets. Don ingantaccen shigarwa, sarari tsakanin flanges dole ne ya isa don ba da izinin shigar da bawul ba tare da dagula hatimin flange ba. Lura cewa gefen hatimin diac yana cikin layi tare da lebur na shaft. Juya kara don sanya diski a cikin jiki, sanya bawul ɗin tsakanin flanges kuma daure da hannu.
SANNU BUDEbawul a gefen agogo baya don bincika isassun sharewar diski.
MAYAR DA DISC ZUWA BUDE MATSAYI 10%.& ƙetare duk kusoshi, sake duba don isassun share fage.

Ba daidai ba
Faifai a rufaffiyar wuri kuma an shigar da Gasket
tsakanin bawul da mating flanges

Daidai
Babu flange gaskets da aka yi amfani da su kuma Disc a cikin
kusan rufaffiyar matsayi.

Wani umarni na shigarwa daga mai sayarwa na Butterfly valves:

HANKALI
Ya kamata a yi amfani da gaskets masu zuwa don shigar da bawuloli cikin bututun.

• Nau'in Gasket
  Ƙarfafa gasket na PTFE (Ba za a iya shigar da gasket ɗin Jaket, Gask ɗin Rauni ko Karfe ba.)
• Girman Gasket
  Girman gasket ya kamata su bi ASME B16.21. (Mafi ƙarancin gasket kauri shine 3mm.)

Ba za a iya shigar da bawul ɗin zuwa stubing. Dole ne a shigar da bawul ɗin bisa ga kibiya, wanda aka bayar a gefen flange mai hawa mai aiki. Kibiya dole ne ta nuna daga gefen matsa lamba mafi girma zuwa ƙananan matsa lamba a cikin rufaffiyar valve.

Don haka, ana ba da shawarar bin umarnin mai ba da bawul ɗin Butterfly!

Gujewa matsaloli tare da bawul ɗin Butterfly

Mafi yawan matsalolin da ke tattare da bawul ɗin Butterfly a cikin filin suna da alaƙa kai tsaye da rashin kyawun hanyoyin shigarwa. Saboda wannan dalili, yana da kyau a yi la'akari da mafi kyawun aiki lokacin da ake shimfida aikin bututu da shigar da bawul ɗin kanta.

Wurin zama a cikin bawul ɗin Butterfly mai jujjuyawa yawanci yana shimfidawa zuwa fuskokin bawul ɗin. A sakamakon haka, ba a buƙatar gaskets yayin da waɗannan kujerun ke aiki da aikin gasket. Kayan wurin zama wanda ya wuce fuskar yana matsawa yayin shigarwa kuma yana gudana zuwa tsakiyar wurin zama na bawul. Duk wani canji a cikin wannan saitin saboda shigar da bai dace ba kai tsaye yana shafar ƙimar matsi da matsugunan wurin zama/zazzagewa.

Ba kamar yawancin nau'ikan bawul ba, diski ɗin Butterfly bawul a zahiri ya wuce fuskar bawul ɗin a kusurwar buɗewa (ce, 30 ° ko fiye) lokacin da aka shigar tsakanin flanges. Sabili da haka, yana da matukar muhimmanci kafin shigarwa don tabbatar da cewa diski zai iya juyawa da yardar kaina kuma shigar da flanges da aikin bututu.

Shigo da Ajiya

• Sanya fayafai a 10% a buɗe don kada su zauna.
• Ya kamata a rufe fuskokin kowane bawul don hana lalacewar fuskar wurin zama, gefen diski, ko bawul na ciki.
• Ajiye a cikin gida, zai fi dacewa tare da yanayin zafi tsakanin 5 ° C da 30 ° C.
• Buɗe ku rufe bawuloli kowane wata 3.
• Jirgin ruwa da bawul ɗin ajiya don kada a yi amfani da kaya masu nauyi a jikin.

Wurin Valve

• Ya kamata a shigar da bawul na malam buɗe ido idan zai yiwu aƙalla ƙananan diamita na bututu 6 daga wasu abubuwan layi, watau gwiwar hannu, famfo, bawul, da sauransu. Wani lokaci wannan ba zai yiwu ba, amma yana da mahimmanci don cimma nisa mai yawa.
• Inda aka haɗa bawul ɗin Butterfly zuwa bawul ɗin dubawa ko famfo, ajiye isasshen sarari a tsakanin su don tabbatar da cewa diski baya tsoma baki tare da kayan aikin da ke kusa.

Hanyar Hanya

A matsayinka na babban yatsan hannu, ana shigar da bawuloli na Butterfly tare da kara a cikin matsayi na tsaye tare da mai kunnawa wanda aka ɗora a tsaye a sama da shi, duk da haka, akwai wasu aikace-aikacen da ya kamata ya kasance a kwance. Fayil ɗin .pdf da ke ƙasa yana gaya muku dalilin da ya sa dole ne a sanya ƙarar somtimes a kwance.

Dodge Engineering & Controls Inc
( Umarnin Shigar Bawul bawul)

Hanyoyin Shigarwa

1. Tabbatar cewa bututun da fuskokin flange suna da tsabta. Duk wani abu na waje kamar filayen ƙarfe, ma'aunin bututu, walda, sandunan walda, da sauransu na iya iyakance motsin diski ko lalata diski ko wurin zama.
2. Ba a buƙatar gasket akan bawul ɗin da ke zaune masu juriya saboda sun shimfiɗa zuwa fuskokin bawul ɗin.
3. Daidaita aikin bututun, da kuma shimfiɗa flanges isa don ba da damar shigar da bawul ɗin cikin sauƙi tsakanin flanges ba tare da tuntuɓar flanges na bututu ba.
4. Bincika cewa an saita faifan bawul zuwa kusan 10% a buɗe don kada ya zama maƙeƙashe a cikin cikakken wurin zama.
5. Saka bawul ɗin tsakanin flanges kamar yadda aka nuna, kula da kar ya lalata fuskokin wurin zama. Koyaushe ɗaga bawul ɗin ta wurin gano ramukan ko ta amfani da majajjawar nailan a wuya ko a jiki. Kada a taɓa ɗaga bawul ta mai kunnawa ko mai aiki da aka ɗora akan bawul ɗin.
6. Sanya bawul ɗin tsakanin flanges, tsakiyar shi, saka kusoshi kuma ɗaure su da hannu. Buɗe diski a hankali, tabbatar da cewa diski ɗin baya tuntuɓar cikin bututun da ke kusa.
7. A hankali rufe faifan bawul don tabbatar da cirewar faifan diski daga gefen bututun da ke kusa.
8. Cikakkun buɗe diski ɗin kuma ƙara duk ƙusoshin flange kamar yadda aka nuna.
9. Maimaita cikakken kusa da cikakken buɗewar diski don tabbatar da sharewar da ta dace.