Gabatarwa:Ball bawul ya fito a cikin 1950s.Tare da saurin haɓakar kimiyya da fasaha, ci gaba da haɓaka fasahar samarwa da tsarin samfur, ya haɓaka cikin sauri zuwa babban nau'in bawul a cikin shekaru 50 kawai.A kasashen yammacin duniya da suka ci gaba, amfani da bawul na ball yana karuwa kowace shekara.

Ana amfani da bawul ɗin ƙwallon don yankewa, rarrabawa da canza madaidaicin madaidaicin a cikin bututun.Yana buƙatar kawai a juya digiri 90 kuma za'a iya rufe ƙaramin ƙarfi sosai.Bawul ɗin ƙwallon ƙwallon ya fi dacewa don amfani azaman sauyawa da bawul ɗin kashewa.

Tun da bawul ɗin ƙwallon yana yawan amfani da roba, nailan da polytetrafluoroethylene azaman kayan hatimin wurin zama, zafin aikinsa yana iyakance ta kayan hatimin wurin zama.Aikin da aka yanke na bawul ɗin ƙwallon yana cika ta hanyar danna ƙwallon ƙarfe a kan wurin zama na filastik a ƙarƙashin aikin matsakaicin (bawul ɗin ƙwallon ƙafa).Karkashin aikin wani matsa lamba na lamba, zoben rufe wurin zama na bawul yana fuskantar nakasar roba-roba a cikin yankuna.Wannan nakasawa na iya rama daidaiton masana'anta da rashin girman ƙwallon ƙwallon, da tabbatar da aikin hatimin bawul ɗin ƙwallon.

Kuma saboda bawul wurin zama sealing zobe na ball bawul yawanci ana yi da filastik, lokacin da zabar tsari da kuma aiki na ball bawul, ya kamata a yi la'akari da juriya na wuta da juriya na ball bawul, musamman a cikin man fetur, sinadarai, metallurgical. da sauran sassan, a cikin kafofin watsa labaru masu ƙonewa da fashewa.Idan ana amfani da bawul ɗin ƙwallon ƙafa a cikin kayan aiki da tsarin bututun, ya kamata a biya ƙarin hankali ga juriya na wuta da kariyar wuta.

Bawul bawul fasali

1. Yana da mafi ƙarancin juriya kwarara (a zahiri sifili).2. Ba za a makale ba lokacin aiki ba tare da mai mai ba, don haka ana iya dogara da shi ga kafofin watsa labarai masu lalata da ƙananan ruwa mai tafasa.3. Zai iya cimma 100% rufewa a cikin babban matsa lamba da kewayon zafin jiki.4. Yana iya gane matsananci-sauri budewa da rufewa, da kuma budewa da kuma rufe lokacin wasu Tsarin ne kawai 0.05 ~ 0.1s, don tabbatar da cewa za a iya amfani da shi a cikin atomatik tsarin na gwajin benci.Lokacin da bawul ɗin ya buɗe kuma ya rufe da sauri, babu girgiza a cikin aiki.5. Za a iya sanya ƙulli mai siffar zobe ta atomatik a matsayi.6. Matsakaicin aiki yana dogara da hatimi a bangarorin biyu.7. Lokacin da aka buɗe cikakke kuma an rufe shi sosai, wuraren rufewa na ƙwallon ƙwallon da bawul ɗin suna keɓe daga matsakaici, don haka matsakaicin wucewa ta hanyar bawul a babban gudun ba zai haifar da lalacewa na shingen shinge ba.8. Tare da m tsarin da haske nauyi, shi za a iya la'akari a matsayin mafi m bawul tsarin dace da low zazzabi matsakaici tsarin.9. Jikin bawul yana da ma'ana, musamman ma lokacin da aka haɗa tsarin jikin bawul, wanda zai iya jure wa damuwa daga bututun.10. Ƙimar rufewa na iya tsayayya da babban bambanci lokacin rufewa.11. Bawul ɗin ƙwallon ƙafa tare da cikakken welded bawul jiki za a iya kai tsaye binne a cikin ƙasa, sabõda haka, bawul internals ba ya rushe, da kuma iyakar sabis rayuwa iya isa shekaru 30.Shi ne mafi kyawun bawul don bututun mai da iskar gas.

Aikace-aikace na ball bawul

Yawancin halaye na musamman na bawul ɗin ƙwallon ƙwallon suna ƙayyade cewa amfani da bawul ɗin ƙwallon yana da faɗi da faɗi.Yawancin lokaci, a cikin gyare-gyaren matsayi guda biyu, ƙaddamar da aikin rufewa, laka, lalacewa, tashoshi masu raguwa, saurin buɗewa da rufewa (1/4 budewa da rufewa), yankewar matsa lamba (Bawul bawul suna ba da shawarar ga tsarin bututun mai tare da babban matsa lamba). bambanci), ƙananan amo, cavitation da gasification, ƙananan ɗigon ruwa zuwa yanayi, ƙananan ƙarfin aiki, da ƙananan juriya na ruwa.

Har ila yau, bawul ɗin ƙwallon ƙwallon ya dace da tsarin bututun tsarin haske, ƙananan yanke yanke (ƙananan bambancin matsa lamba) da matsakaici mai lalata.Hakanan za'a iya amfani da bawul ɗin ƙwallon ƙwallon a cikin shigarwar cryogenic (cryogenic) da tsarin bututu.A cikin tsarin bututun iskar oxygen a cikin masana'antar ƙarfe, ana buƙatar bawul ɗin ƙwallon ƙwallon da suka yi tsauri mai tsauri.Lokacin da babban layin da ke cikin bututun mai da bututun iskar gas yana buƙatar a binne shi a ƙarƙashin ƙasa, yakamata a yi amfani da bawul ɗin walda mai cike da wuta.Lokacin da ake buƙatar aikin daidaitawa, ya kamata a zaɓi bawul ɗin ball tare da tsari na musamman tare da buɗewar V-dimbin yawa.A cikin man fetur, petrochemical, sunadarai, wutar lantarki, da gine-gine na birni, ana iya zaɓar bawul ɗin ƙwallon ƙarfe-zuwa-karfe don tsarin bututu tare da zafin aiki sama da digiri 200.

Ka'idar aikace-aikacen ball bawul

Babban layukan watsa man fetur da iskar gas, bututun da ake buƙatar tsaftacewa, da kuma binne su a ƙarƙashin ƙasa, zaɓi bawul ɗin ƙwallon ƙwallon ƙafa tare da tsarin gaba ɗaya da welded;binne a cikin ƙasa, zaɓi bawul ɗin ƙwallon ƙafa tare da haɗin welded duka-wuta ko haɗin flange;reshe bututu , zabi flange dangane, welded dangane, cike ta ko rage diamita ball bawul.Bututun bututu da kayan ajiya na mai da aka gyara suna amfani da bawul ɗin ƙwallon ƙafa.A kan bututun iskar gas da iskar gas, an zaɓi bawul ɗin ball mai iyo tare da haɗin flange da haɗin zaren ciki.A cikin tsarin bututun iskar oxygen a cikin tsarin ƙarfe, yana da kyau a yi amfani da ƙayyadaddun bawul ɗin ƙwallon ƙwallon da aka yi amfani da shi mai tsauri mai tsauri kuma yana da flanged.A cikin tsarin bututun bututu da na'urar matsakaicin matsakaicin zafin jiki, ya kamata a zaɓi ƙwallon ƙwallon ƙarancin zafin jiki tare da murfin bawul.A kan tsarin bututun na'urar fashewar catalytic na sashin mai tacewa, ana iya zaɓar bawul ɗin ball irin na ɗagawa.A cikin na'urorin da tsarin bututun watsa labarai na lalata kamar acid da alkali a cikin tsarin sinadarai, duk bawul ɗin ƙwallon bakin karfe da aka yi da bakin karfe na austenitic da PTFE kamar yadda ya kamata a zaɓi zobe ɗin kujerar bawul.Ƙarfe-zuwa-karfe sealing ball bawuloli za a iya amfani da a cikin bututu tsarin ko na'urorin na high zafin jiki tsarin a karfe tsarin, ikon tsarin, petrochemical shuke-shuke, da kuma birane dumama tsarin.Lokacin da ake buƙatar daidaita kwararar kwararar ruwa, ana iya zaɓar kayan aikin tsutsotsi, huhu ko lantarki mai sarrafa bawul ɗin ƙwallon ƙafa tare da buɗewa mai siffar V.

Taƙaice:Yin amfani da bawul ɗin ƙwallon ƙwallon yana da faɗi sosai, iri-iri da adadin amfani har yanzu suna haɓaka, kuma suna haɓakawa a cikin babban matsin lamba, babban zafin jiki, babban diamita, babban aikin rufewa, tsawon rayuwa, kyakkyawan aikin daidaitawa da ayyuka da yawa. na bawul daya.Amincewarsa da sauran Alamomin wasan kwaikwayon sun kai matsayi mai girma, kuma sun maye gurbin wani bangare na bawuloli na ƙofa, bawuloli na duniya, da bawuloli masu daidaitawa.Tare da ci gaban fasaha na bawul ɗin ƙwallon ƙafa, za a yi amfani da shi sosai cikin ɗan gajeren lokaci, musamman a bututun mai da iskar gas, bututun mai a tace mai da kuma masana'antar nukiliya.Bugu da ƙari, bawul ɗin ƙwallon ƙafa kuma za su zama ɗaya daga cikin manyan nau'ikan bawul a cikin fagage masu girma da matsakaici, matsakaici da ƙarancin matsin lamba a wasu masana'antu.