A ivalvu yebhabhathaneiyithuluzi lokulawula uketshezi. Isebenzisa ukujikeleza okungu-1/4 ukulawula ukugeleza kwemidiya ezinqubweni ezahlukahlukene. Ukwazi izinto kanye nemisebenzi yezingxenye kubalulekile. Kuyasiza ukukhetha ivalvu efanele ukusetshenziswa okuthile. Ingxenye ngayinye, kusukela emzimbeni wevalvu kuya esiqwini sevalvu, inomsebenzi othize. Zenziwe ngezinto ezifanele ukusetshenziswa. Zonke zidlala indima ebalulekile ekuqinisekiseni ukusebenza kahle nokugcinwa. Ukuqonda kahle lezi zingxenye kungathuthukisa ukusebenza kwesistimu kanye nokuphila kwenkonzo. Amavalvu e-Butterfly asetshenziswa emikhakheni eminingi ngenxa yokuguquguquka kwawo. Izimboni ezifana nokwelashwa kwamanzi, ukucubungula amakhemikhali, kanye nokudla neziphuzo zisebenzisa la mavalvu. Amavalvu e-Butterfly angabhekana nokucindezeleka okuhlukene kanye namazinga okushisa. Ngakho-ke, afaneleka kokubili izindawo ezifunwa kakhulu neziphansi. Ngaphezu kwalokho, izindleko eziphansi kanye nokulula kokufakwa kwenza kuvelele phakathi kwamavalvu amaningi.
1. I-Butterfly Valve Igama Lengxenye: Umzimba we-valve
Umzimba wevalvu yebhabhathane uyigobolondo. Isekela idiski yevalvu, isihlalo, isiqu, kanye ne-actuator.umzimba wevalvu yebhabhathaneisetshenziselwa ukuxhuma epayipini ukuze i-valve ihlale endaweni yayo. Futhi, umzimba we-valve kumele umelane nezingcindezi nezimo ezahlukahlukene. Ngakho-ke, ukwakheka kwayo kubalulekile ekusebenzeni.
Izinto zomzimba we-valve
Izinto zomzimba we-valve zincike kuphayiphi kanye nemidiya. Kuncike nasendaweni ezungezile.
Okulandelayo yizinto ezisetshenziswa kakhulu.
-Insimbi, uhlobo olushibhile kakhulu lwevalvu yevemvane yensimbi. Iyakwazi ukumelana nokuguguleka kahle.
-Insimbi ethambile, uma kuqhathaniswa nensimbi ephonswe ngensimbi, inamandla angcono, iyamelana nokuguguleka futhi iyakwazi ukuguquguquka kangcono. Ngakho-ke ifanele ukusetshenziswa kwezimboni ezijwayelekile.
-Insimbi engagqwali, inokuqina okuhle kanye nokumelana nokugqwala. Ingcono kakhulu eziphuzweni ezigqwalisayo kanye nokusetshenziswa kwezempilo.
-WCB,Ngenxa yokuqina kwayo okuphezulu, ifanele ukusetshenziswa ngomfutho ophezulu kanye nokushisa okuphezulu. Futhi iyashiselelwa.
2. I-Butterfly Valve Igama Lengxenye: Idiski ye-Valve
Iidiski yevalvu yebhabhathaneitholakala maphakathi nomzimba wevalvu futhi iyajikeleza ukuvula noma ukuvala ivalvu yevemvane. Izinto zithintana ngqo noketshezi. Ngakho-ke, kumele zikhethwe ngokusekelwe ezicini zendlela yokusebenza. Izinto ezivamile zifaka phakathi i-sphere nickel plating, i-nylon, irabha, insimbi engagqwali, kanye ne-aluminium bronze. Umklamo omncane wediski yevalvu unganciphisa ukumelana nokugeleza, ngaleyo ndlela wonge amandla futhi uthuthukise ukusebenza kahle kwevalvu yevemvane.
izinhlobo zamadiski e-valve.
Uhlobo lwediski yevalvu: Kunezinhlobo eziningana zamadiski evalvu ezinhlelo zokusebenza ezahlukene.
-Idiski ye-valve egxilileihambisana nendawo ephakathi yomzimba wevalvu. Ilula futhi iyabiza.
-Idiski yevalvu ephindwe kabili engavamileinomucu werabha ofakwe emaphethelweni epuleti levalvu. Ingathuthukisa ukusebenza kokuvala.
Idiski ephindwe kathathuiyinsimbi. Ivala kangcono futhi iguga kancane, ngakho-ke ilungele izindawo ezinomfutho ophezulu.
3. I-Butterfly Valve Igama Lengxenye: Isiqu
Isiqu sixhuma i-actuator yebhokisi lediski. Sidlulisa ukujikeleza kanye namandla adingekayo ukuvula noma ukuvala i-valve yebhabhathane. Le ngxenye idlala indima ebalulekile ekusebenzeni kwe-valve yebhabhathane. Isiqu kumele simelane ne-torque enkulu kanye nokucindezeleka ngesikhathi sokusebenza. Ngakho-ke, izidingo zezinto ezidingekayo ziphezulu.
Izinto zesiqu se-valve
Isiqu ngokuvamile senziwe ngezinto eziqinile, njengensimbi engagqwali kanye nethusi le-aluminium.
-Insimbi engagqwaliiqinile futhi imelana nokugqwala.
-Ithusi le-aluminiumiyamelana nayo kahle kakhulu. Ziqinisekisa ukuthembeka kwesikhathi eside.
-Ezinye izintokungafaka insimbi yekhabhoni noma ama-alloy. Akhethwa ngenxa yezidingo ezithile zokusebenza.
4. I-Butterfly Valve Igama Lengxenye: Isihlalo
Isihlalo esisevalvini yebhabhathane sakha uphawu phakathi kwediski nomzimba wevalvu. Uma ivalvu ivaliwe, idiski icindezela isihlalo. Lokhu kuvimbela ukuvuza futhi kugcina uhlelo lwamapayipi lungaphazamisekile.
Iisihlalo sevalvu yebhabhathanekumele imelane nezingcindezi namazinga okushisa ahlukahlukene. Ukukhetha izinto zesihlalo kuncike ekusetshenzisweni okuthile. Irabha, i-silicone, i-Teflon kanye nezinye i-elastomer kuyizinketho ezivamile.
Izinhlobo zezihlalo zamavalvu
Kunezinhlobo eziningana zezihlalo ezihlangabezana nezinhlelo zokusebenza ezahlukahlukene. Izinhlobo ezivame kakhulu yilezi:
-Izihlalo zevalvu ezithambile: Zenziwe ngerabha noma i-Teflon, ziyaguquguquka futhi ziyaqina. Lezi zihlalo zilungele ukusetshenziswa okuphansi komfutho, okushisa okuvamile okudinga ukuvalwa okuqinile.
-Zonke izihlalo zamavalvu ensimbi: zenziwe ngezinsimbi, njengensimbi engagqwali. Zingamelana namazinga okushisa aphezulu kanye nokucindezeleka. Lezi zihlalo zamavalvu zifanelekela izindawo ezidinga ukuqina.
-Izihlalo zamavalvu ezinezingqimba eziningi: Zenziwe nge-graphite nensimbi ezibekwe ndawonye ngesikhathi esisodwa. Zihlanganisa izici zezihlalo zamavalvu athambile nezihlalo zamavalvu ensimbi. Ngakho-ke, Lesi sihlalo esinezingqimba eziningi sifinyelela ibhalansi phakathi kokuguquguquka namandla. Lezi zihlalo zamavalvu zenzelwe ukusetshenziswa kokuvala okuphezulu. Zingavala ngisho nalapho zigqokwa.
5. I-Actuator
I-actuator yindlela esebenza ngayo i-butterfly valve. Iphendula i-valve plate ukuze ivule noma ivale ukugeleza. I-actuator ingaba ngesandla (igiya lesibambo noma i-worm) noma i-othomathikhi (i-pneumatic, kagesi, noma i-hydraulic).
Izinhlobo nezinto zokwakha
-Isibambo:Yenziwe ngensimbi noma ngensimbi ephothiwe, ifanelekela ama-valve e-butterfly angu-DN≤250.
-Izinto zokugaya izibungu:Ifanele ama-valve e-butterfly anoma yiluphi uhlobo, okusindisa abasebenzi kanye nentengo ephansi. Ama-gearbox anganikeza inzuzo yomshini. Akwenza kube lula ukusebenzisa ama-valve amakhulu noma anomfutho ophezulu.
- Ama-actuator omoya:sebenzisa umoya ocindezelwe ukuze usebenzise ama-valve. Ngokuvamile enziwe nge-aluminium noma ngensimbi.
- Ama-actuator kagesi:zisebenzisa ama-motor kagesi futhi zifakwa ezindlini ezenziwe ngezinto ezifana ne-aluminium noma insimbi engagqwali. Kunezinhlobo ezihlanganisiwe nezihlakaniphile. Amakhanda kagesi angangeni manzi futhi angaqhumi nawo angakhethwa ezindaweni ezikhethekile.
Ama-actuator e-hydraulic:sebenzisa uwoyela we-hydraulic ukuze usebenzise ama-valve e-butterfly. Izingxenye zawo zenziwe ngensimbi noma ezinye izinto eziqinile. Ihlukaniswe ngamakhanda omoya asebenza kanye kanye namabili asebenza ngogesi.
6. Ama-Bushing
Ama-bushing asekela futhi anciphise ukungqubuzana phakathi kwezingxenye ezihambayo, njengeziqu zama-valve kanye nemizimba. Aqinisekisa ukusebenza kahle.
Izinto zokwakha
- I-PTFE (i-Teflon):ukungqubuzana okuphansi kanye nokumelana okuhle kwamakhemikhali.
- Ithusi:amandla aphezulu kanye nokumelana okuhle nokuguguleka.
7. Ama-Gasket nama-O-ring
Ama-gasket nama-O-rings kuyizinto zokuvala. Zivimbela ukuvuza phakathi kwezingxenye zama-valve naphakathi kwama-valve namapayipi.
Izinto zokwakha
- I-EPDM:evame ukusetshenziswa emanzini kanye nasemisimini.
- I-NBR:ifanele ukusetshenziswa kukawoyela kanye nophethiloli.
- I-PTFE:Ukumelana okukhulu kwamakhemikhali, okusetshenziswa ekusetshenzisweni kwamakhemikhali okunamandla.
- I-Viton:Yaziwa ngokumelana kwayo nokushisa okuphezulu kanye namakhemikhali anolaka.
8. Amabholti
Amabholti abamba izingxenye zevalvu yovemvane ndawonye. Aqinisekisa ukuthi ivalvu iqinile futhi ayivuzi.
Izinto zokwakha
- Insimbi engagqwali:Ithandwa kakhulu ngenxa yokumelana kwayo nokugqwala kanye namandla ayo.
- Insimbi yekhabhoni:Kusetshenziswa ezindaweni ezingangcolisi kakhulu.
9. Izikhonkwane
Amaphini axhumanisa idiski nesiqu, okuvumela ukunyakaza okubushelelezi kokujikeleza.
Izinto zokwakha
- Insimbi engagqwali:Ukumelana nokugqwala kanye namandla aphezulu.
- Ithusi:Ukumelana nokuguguleka kanye nokusebenza kahle kwemishini.
10. Izimbambo
Izimbambo zinikeza ukwesekwa okwengeziwe kwesakhiwo kudiski. Zingavimbela ukuguguleka ngaphansi kwengcindezi.
Izinto zokwakha
- Insimbi:Amandla aphezulu nokuqina.
- I-Aluminium:Ifanele izinhlelo zokusebenza ezilula.
11. Izindwangu zokugqoka kanye nopende
Ama-liners kanye ne-coating zivikela umzimba we-valve kanye nezingxenye zayo ekugqwaleni, ekugugulekeni nasekugugeni.
- Izembozo zerabha:Njenge-EPDM, i-NBR, noma i-neoprene, esetshenziswa ekusetshenzisweni okugqwalisayo noma okukhuhlayo.
- Ukugqoka kwe-PTFE:ukumelana namakhemikhali kanye nokungqubuzana okuphansi.
12. Izinkomba zesikhundla
Isikhombisi sendawo sibonisa isimo sokuvuleka noma sokuvaleka kwevalvu. Lokhu kusiza izinhlelo ezikude noma ezenzakalelayo ukuqapha isikhundla sevalvu.
Izinhlobo
- Okwemishini:inkomba elula yomshini enamathiselwe esiqwini sevalvu noma ku-actuator.
- Ugesi:inzwa
13. Isiphetho
Izingxenye ezibalwe ngenhla zakha ivalvu ephelele yebhabhathane. Izinto ezahlukene ezisetshenziswa engxenyeni ngayinye zinquma okuwukuphela kwayoindawo yokusebenzayale valve yebhabhathane.
Uma indawo yangaphandle inzima, kufanele kusetshenziswe imizimba yamavalvu esezingeni eliphezulu. Uma indawo ephakathi imbi kakhulu, ikhwalithi yesihlalo samavalvu, idiski yamavalvu, kanye nesiqu samavalvu kufanele ithuthukiswe.