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Menene Valve Butterfly da Halayensa?

Bawul ɗin Butterfly, wanda kuma aka sani da bawul ɗin flap, bawul ne mai daidaitawa tare da tsari mai sauƙi.Ana iya amfani da bawul ɗin malam buɗe ido don sauya ikon watsa labarai na bututun mai ƙarancin ƙarfi.Bawul ɗin malam buɗe ido yana amfani da faifai ko farantin malam buɗe ido a matsayin diski, wanda ke juyawa kewaye da mashin don buɗewa da rufewa.

Ana iya amfani da bawul ɗin malam buɗe ido don sarrafa magudanar ruwa iri-iri kamar iska, ruwa, tururi, watsa labarai masu lalata iri-iri, laka, mai, ƙarfe na ruwa da kafofin watsa labarai na rediyoaktif.Ya fi taka rawa na yankewa da ƙumburi a kan bututun.Bangaren buɗewa da rufewa na bawul ɗin malam buɗe ido wani farantin malam buɗe ido ne mai siffar diski wanda ke jujjuya axis ɗinsa a cikin bawul ɗin don cimma manufar buɗewa da rufewa ko daidaitawa.

Babban fasalulluka na bawul ɗin malam buɗe ido sune: ƙananan ƙarfin aiki, ƙaramin sarari shigarwa da nauyi mai nauyi.Ɗaukar DN1000 a matsayin misali, bawul ɗin malam buɗe ido yana da kusan 2 T, yayin da bawul ɗin ƙofar yana da kusan 3.5 T, kuma bawul ɗin malam buɗe ido yana da sauƙin haɗuwa tare da na'urori daban-daban na tuƙi, kuma yana da kyakkyawan karko da aminci.Rashin lahani na bawul ɗin malam buɗe ido na roba wanda aka rufe shi ne cewa lokacin da ake amfani da shi don throttling, cavitation zai faru saboda rashin amfani da ba daidai ba, wanda zai haifar da kwasfa da lalata kujerar roba, don haka yadda za a zaɓa shi daidai ya dogara da bukatun aikin. yanayi.Dangantakar da ke tsakanin buɗaɗɗen bawul ɗin malam buɗe ido da ƙimar kwarara yana canzawa a zahiri.Idan ana amfani da shi don sarrafa magudanar ruwa, halayensa ma suna da alaƙa da juriya na bututun.Misali, idan aka shigar da bututu guda biyu tare da diamita iri daya da nau'i, amma asarar adadin bututun ya bambanta, yawan kwararar bawul din zai bambanta sosai.Idan bawul ɗin yana cikin yanayi mai girma, cavitation yana yiwuwa ya faru a bayan farantin bawul, wanda zai iya lalata bawul ɗin.Gabaɗaya, ana amfani dashi a waje da 15°.Lokacin da bawul ɗin malam buɗe ido ya kasance a tsakiyar buɗewa, siffar buɗewa da aka kafa ta jikin bawul da ƙarshen gaban farantin malam buɗe ido yana tsakiya akan mashin bawul, kuma bangarorin biyu suna samar da jihohi daban-daban.Ƙarshen gaba na farantin malam buɗe ido a gefe guda yana tafiya tare da hanyar ruwa mai gudana, ɗayan kuma yana motsawa a kan hanyar ruwa mai gudana.Saboda haka, gefe ɗaya na jikin bawul da farantin bawul suna samar da buɗaɗɗen bututun ƙarfe, ɗayan kuma yana kama da buɗewa mai siffar magudanar ruwa.Gudun gudu a gefen bututun ƙarfe yana da sauri fiye da na gefen magudanar, kuma za a haifar da matsa lamba a ƙarƙashin bawul ɗin da ke gefen magudanar ruwa, sau da yawa Hatimin roba zai tashi.Matsakaicin aiki na bawul ɗin malam buɗe ido ya bambanta tare da buɗewa da buɗewa da jagorar rufewa na bawul.Don bawul ɗin malam buɗe ido na kwance, musamman manyan diamita bawul, saboda zurfin ruwa, ba za a iya yin watsi da ƙarfin da aka haifar ta hanyar bambance-bambancen tsakanin manya da ƙananan kawuna na shatin bawul.Bugu da ƙari, lokacin da aka shigar da gwiwar hannu a gefen shiga na bawul, ana samun raɗaɗi mai banƙyama kuma karfin zai karu.Lokacin da bawul ɗin ya kasance a tsakiyar buɗewa, tsarin aiki yana buƙatar zama mai kulle kansa saboda aikin motsi na ruwa.

Butterfly bawul wani nau'in bawul ne wanda ke amfani da nau'in diski na buɗewa da sassan rufewa don juyawa baya da gaba kamar 90° don buɗewa, rufewa ko daidaita kwararar matsakaici.Butterfly bawul ba wai kawai yana da tsari mai sauƙi ba, ƙananan ƙananan, nauyi mai sauƙi, ƙananan amfani da kayan aiki, ƙananan shigarwa, ƙananan motsi na tuki, aiki mai sauƙi da sauri, amma kuma yana da kyakkyawan aikin ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun kayan aiki.Daya daga cikin mafi sauri bawul iri.Ana amfani da bawul ɗin malam buɗe ido.Iri-iri da yawan amfani da shi har yanzu yana haɓaka, kuma yana haɓaka zuwa babban zafin jiki, matsa lamba, babban diamita, babban hatimi, tsawon rayuwa, kyawawan halaye masu daidaitawa, da ayyuka da yawa na bawul.Amincewarsa da sauran alamun aiki sun kai matsayi mai girma.

Bawul ɗin malam buɗe ido yawanci ƙasa da 90° daga cikakke buɗe zuwa cikakken rufewa.Bawul ɗin malam buɗe ido da sandar malam buɗe ido ba su da ikon kulle kai.Domin sanya farantin malam buɗe ido, ya kamata a sanya mai rage kayan tsutsa a kan sandar bawul.Yin amfani da mai rage tsutsa ba wai kawai yana bawa farantin malam buɗe ido samun ikon kulle kansa ba, yana sa farantin malam buɗe ido ya tsaya a kowane matsayi, amma kuma yana inganta aikin bawul ɗin.Halaye na masana'antu na musamman malam buɗe ido bawul: high zafin jiki juriya, high m matsa lamba kewayon, babban maras muhimmanci diamita na bawul, da bawul jiki da aka yi da carbon karfe, da sealing zobe na bawul farantin da aka yi da wani karfe zobe maimakon. zoben roba.Manyan bawuloli masu zafin gaske na malam buɗe ido ana yin su ne ta hanyar walda da faranti na ƙarfe kuma ana amfani da su musamman don bututun hayaƙi da bututun iskar gas don kafofin watsa labarai masu zafi.

 


Lokacin aikawa: Agusta-09-2023