1. Selelekelaho Li-valve tsa Butterfly
1.1. Tlhaloso le Mesebetsi ea Motheo
A serurubele belofoke sesebedisoa se laolang phallo ya phaephe. E laoloa ka ho potoloha disc ka kotara. Hangata li sebelisoa lits'ebetsong moo li koalang kapele.
1.2. Histori ea Li-valve tsa Butterfly
Li-valve tsa serurubele li ka saloa morao ho elella bofelong ba lekholo la bo19 la lilemo. Setšoantšo sa valve ea kajeno ea serurubele se hlahile bohareng ba lekholo la bo20 la lilemo. Ka mor'a lilemo tse mashome tsa tsoelo-pele, e fetohile tharollo e fapaneng bakeng sa ho laola mecha ea litaba liindastering tse sa tšoaneng.
Tsoelo-pele ea theknoloji ea li-valve tsa serurubele ha e e-s'o khaotse. Nakong e tlang, li-valve tsa serurubele li tla ba bobebe 'me li kopane haholoanyane. Li ka sebelisoa hape maemong a feteletseng (joalo ka khatello e phahameng haholo le mocheso o tlase haholo). Mohlomong li ka sebelisoa lits'ebetsong tse ncha tšimong ea matla a tsosolositsoeng, joalo ka matla a letsatsi, matla a moea le merero ea matla a hydrogen e tala.
1.3. Tšebeliso ea Li-valve tsa Butterfly Liindastering tse sa tšoaneng
1.3.1. Phekolo le Kabo ea Metsi
Litsing tsa ho hloekisa metsi le mekhoa ea ho aba. Li-valve tsa butterfly lia hlokahala. Li laola ka katleho le ho arola ho phalla ha metsi a nooang. Ho theoha ha khatello ea bona e tlase le bokhoni ba ho koala ha mahlakore a mabeli li molemo haholo ho netefatsa phepelo e tsoelang pele ea metsi.
1.3.2. Sistimi ea HVAC
Litsamaisong tsa ho futhumatsa le moea (HVAC), li-valve tsa serurubele li sebelisoa ho laola phallo ea metsi. Boiketlo ba bona ba boiketsetso bo ba etsa hore ba lokele ho laola tsamaiso ea metsi a batang le a chesang.
1.3.3. Limela tsa Lik'hemik'hale le tsa Petrochemical
Li-valve tsa lirurubele tse tharo le tse sebetsang hantle haholo li khona ho sebetsana le mefuta e mengata ea lik'hemik'hale, ho kenyelletsa le maro a senyang le a hlabang. Bokhoni ba bona ba ho sebetsa maemong a mocheso le likhatello tse feteletseng bo etsa hore ba tšoanelehe bakeng sa lits'ebetso tse kang ts'ebetso ea lik'hemik'hale, polokelo le lisebelisoa tsa ho fana ka thepa.
1.3.4. Indasteri ea Oli le Khase
Indasteri ea oli le khase e itšetleha ka li-valve tsa serurubele bakeng sa lits'ebetso tse joalo ka ho arola lipeipi, taolo ea phallo, le litsamaiso tsa litanka. Ho lumellana ha li-valve tsa serurubele tse nang le lisebelisoa tse ngata ho tiisa hore li sebetsa ka mokhoa o sireletsehileng indastering ea oli le khase.
1.3.5. Phetoho ea Lijo le Lino
Bohloeki ke ntho ea bohlokoa ka ho fetisisa tšebetsong ea lijo le lino. Li-valve tsa serurubele tse nang le meralo ea bohloeki le bokaholimo bo bentšitsoeng li ka sebelisoa ho boloka bohloeki le ho thibela tšilafalo ha ho sebelisoa maro a kang lero, lihlahisoa tsa lebese le lino. Ka bobeli rabara e netefalitsoeng ka wras le tšepe ea boleng ba lijo li ka fihlella maemo ana.
1.3.6. Kaho ea Likepe le Likepe
Li-valve tsa aluminium tsa boronse tsa serurubele li etselitsoe lisebelisoa tsa metsing ho laola tsamaiso ea ballast, metsi a pholileng le melapo ea mafura. Lisebelisoa tse sa jeng tsa li-valve tsa serurubele li etsa hore e be tse loketseng ho sebelisoa libakeng tse thata tsa leoatle.
1.3.7. Limela tsa Matla
Libakeng tsa motlakase, li-valve tsa serurubele li sebelisoa tsamaisong ea ho pholisa, mehala ea mouoane, le lits'ebetsong tsa flue gas desulfurization. Ba khona ho sebetsana le khatello e phahameng le metsi a mocheso o phahameng.
1.3.8. Lisebelisoa tsa ho hloekisa metsi a litšila
Li-valve tsa serurubele li bohlokoa bakeng sa ho laola seretse, moea le phallo ea metsi libakeng tsa ho hloekisa metsi a litšila.
1.3.9. Indasteri ea Pulp le Pampiri
Indasteri ea li-pulp le pampiri e rua molemo ho li-valve tsa serurubele lits'ebetsong tse kang ho pheha makhasi, ho soeufala, le ho hlaphoheloa ha lik'hemik'hale. Ho hanyetsa ha bona ho makhasi a abrasive le lik'hemik'hale ho eketsa katleho ea ts'ebetso le bophelo ba tšebeletso.
2. Kaho ea Butterfly Valve
2.1. Likaroloana tsa Butterfly Valve
Likarolo tsa bohlokoa li kenyelletsa:
'mele oa valve: Ntlo e nang le likarolo tse ling tsa ka hare.
Valve disc: E bula le ho koala ka ho potoloha likhato tse 90.
Stem: E hokela disk ho actuator.
Setulo: E fana ka tiiso ho thibela ho lutla.
2.2. Mefuta ea li-valve tsa serurubele tse thehiloeng ho sebopeho
Mofuta oa Wafer: E kentsoe pakeng tsa li-flange tsa phala mme e tsitsitsoe ka liboutu.
Mofuta oa Lug: E sebelisa lisebelisoa tse kentsoeng bakeng sa ho kenya.
Mofuta oa Flange: E na le li-flange tse peli 'me e kenngoa ka pipe.
2.3. Lisebelisoa tsa li-valve tsa serurubele
'Mele: Tšepe ea tšepe, tšepe e sa hloekang kapa tšepe ea carbon.
Disc: Tšepe ea ductile (nickel-plated, nylon, PTFE, le EPDM, joalo-joalo), WCB, tšepe e sa hloekang, boronse.
Setulo: Rabara, Teflon kapa tšepe.
3. Molao-motheo o sebetsang oa valve ea serurubele
3.1. Ts'ebetso ea valve ea serurubele
Belofo ea serurubele e sebetsa ka ho potoloha disc e behiloeng kutung e bohareng. Boemo ba disc bo etsa qeto ea ho laola ho phalla.
3.2. Mefuta ea mekhoa ea ho khanna ea li-valve tsa serurubele
Bukana: E sebetsoa ka letsoho le lisebelisoa tsa liboko.
Pneumatic: E sebelisa moea o hatelitsoeng.
Motlakase: O laoloa ke enjene ea motlakase.
Hydraulic: E tsamaisoa ke khatello ea mokelikeli (e sa sebelisoeng hangata).
3.3. Melemo le mefokolo ea li-valve tsa serurubele
Melemo: moralo o kopaneng (bolelele ba sebopeho se khuts'oane), theko e tlase (lisebelisoa tse nyane), ts'ebetso e potlakileng (ho potoloha ka likhato tse 90).
Meeli: Li-valve tsa serurubele li ke ke tsa sebelisoa ho khaola likaroloana tse thata haholo, maro a mahlo le litšila tse nang le fiber.
3.4. Mefuta ea li-valve tsa serurubele
3.4.1 Belofo ea setulo sa serurubele se mamellang
Likarolo: Setulo sa li-valve hangata se entsoe ka lisebelisoa tse otlolohileng joalo ka rabara le PTFE, 'me tiiso e tiile.
Sesebelisoa sa tšebeliso: khatello e tlase le lits'ebetso tsa mocheso o tlase.
3.4.2.Serurubele se sebetsang hantle haholo (double offset butterfly valve)
Likarolo: Moralo o habeli oa offset, o tšoarella.
Sesebelisoa sa tšebeliso: litsamaiso tse tlase le tse mahareng tsa khatello.
3.4.3. Triple offset butterfly valve
Likarolo: Tiiso ea setulo sa tšepe ntle le likhohlano.
Sebelisa nyeoe: mocheso o feteletseng le khatello.
4. Ho kenya le ho hlokomela li-valve tsa serurubele
4.1 Mokhoa o nepahetseng oa ho kenya li-valve tsa serurubele
Bula theserurubele belofopoleiti ka lehlakoreng la likhato tse 0-90.
Etsa bonnete ba ho boloka tumello e lekaneng ho tsoa likarolong tse ling.
Etsa bonnete ba hore poleiti ea valve ha e ame letlapa la phaephe.
Netefatsa ho lumellana le ho tlosoa ha disc rotation.
4.2. Tlhokomelo ea letsatsi le letsatsi ea li-valve tsa serurubele
Sheba hore na ha ho hlokahale hore na e se e felile 'me u e khutlise.
Tlotsa likarolo tse tsamaeang ha ho hlokahala.
4.3. Mathata a tloaelehileng a ho rarolla mathata le tharollo
Ho dutla: Hlahloba botshepehi ba setulo.
Stuck: Hloekisa maloanlahla a sebaka sa litulo 'me u netefatse hore ho na le lubrication e nepahetseng.
5. Papiso le mefuta e meng ea li-valve
5.1 Butterfly valve vs. balofo ea bolo
Butterfly valve: E bobebe ebile e kopane ho feta.
Ball valve: E loketse haholoanyane bakeng sa phallo e felletseng ea bore, e ka sebelisoa e le maro a viscous le a fibrous.
5.2. Butterfly valve vs. valve ea heke
Butterfly valve: Ho sebetsa ka potlako.
Belofo ea heke: E loketse haholoanyane bakeng sa ho bula le ho koala ka botlalo.