Tlhahlobo ea mesebetsi e mene ea li-valve tsa liphaephe Khetho ea phepelo le ea drainage valve ea lipeipi

Tlhahlobo ea mesebetsi e mene ea li-valve tsa liphaephe Khetho ea ho fana le ea drainage valve ea liphaephe Pele, ho khaola le ho lokolla medium ena ke mosebetsi oa motheo oa valve, hangata khetha mocha oa phallo bakeng sa valve e otlolohileng, ho hanyetsa ho phalla ho nyenyane. Valofo e koetsoeng ka tlase (valve ea lefats'e, valve ea plunger) ka lebaka la tsela ea eona ea ho phalla, ho hanyetsa ho phalla ho phahame ho feta li-valve tse ling, kahoo ha ho khethoe ka tlase. Li-valve tse koetsoeng li ka 'na tsa sebelisoa moo khanyetso e phahameng ea phallo e lumelloang. Ea bobeli, taolo Pele, ho khaola le ho lokolla seaplane Ena ke mosebetsi oa motheo oa valve, hangata o khetha valve e otlolohileng ea phallo, ho hanyetsa ha eona ho phalla ho nyenyane. Valofo e koetsoeng ka tlase (valve ea lefats'e, valve ea plunger) ka lebaka la tsela ea eona ea ho phalla, ho hanyetsa ho phalla ho phahame ho feta li-valve tse ling, kahoo ha ho khethoe ka tlase. Li-valve tse koetsoeng li ka sebelisoa moo ho hanyetsanang le phallo e phahameng ho lumelloang. Ea bobeli, laola phallo A valve eo ho leng bonolo ho e lokisa hangata e khethoa ho laola phallo. Li-valve tsa ho koala tse eang tlase (joalo ka li-valve tsa GLOBE) LI LOKELANG HO BAKENG SA MORERO ENA HOBANE BOHLOKO BA SETULO BO LEBANE LE STROKE EA SHUTOFF. LI-VALVES tsa Rotary (PLUG, butterfly, BALL valves) le FLEXURE BODY VALVES (PINCH, DIAPHRAGM) LI TSE FUMANEHILE HO TSAMAISA HO TSAMAEA, empa hangata FEELA FEELA ka har'a mefuta e fokolang ea li-valve DIAMETERS. Gate VALVE KE Heke e bōpehileng joaloka disc ho ea boema-kepe ba setulo se chitja ho etsa motsamao o fetang, e haufi le sebaka se koetsoeng, e ka laolang phallo hantle, kahoo hangata ha e sebelisoe ho laola phallo. Three, commutation shunt Valve e ka ba le likanale tse tharo kapa ho feta, ho latela tlhoko ea ho kheloha le ho kheloha. Li-valve tsa plug le bolo li loketse morero ona, ka hona, li-valve tse ngata tse sebelisetsoang ho khutlisa le ho kheloha li khethoa e le e 'ngoe ea li-valve tsena. Leha ho le joalo, KA MAEMO A mang, MEFUTA E meng EA LI-VALVE LE ENA E KA SEBEDISWA JOALOKA DIVERTER COMMUTATION FEELA HA FEELA HORE LI-VALVE TSE PEDI kapa TSE EKETSEHILENG LI HOKANE KA nepo. 4. Mahareng a nang le likaroloana tse emisitsoeng Ha sehare se nang le likaroloana tse emisitsoeng, ** se loketseng bakeng sa tšebeliso ea likarolo tse koalang hammoho le holim'a ho koala ha valve e thellang ka ketso ea ho hlakola. Haeba SHUTOFF E EMETSE MORAO LE PELE EA SETULO, LIKAROLO LI KA FUMANA, KA HONA VALVE ENA E LOKELA FEELA BAKENG SA LITABA TSE HLOEKILENG HA E LE HASE MOSEBETSI OA HO TIISA HO LUMELLA HORE LIKAROLO TSE KOPITSOE. Li-valve tsa bolo le li-valve tsa plug li hlakola sebaka sa ho tiisa nakong ea ho bula le ho koala, kahoo li loketse ho sebelisoa mecheng ea litaba ka likaroloana tse emisitsoeng. Tlhahlobo ea khetho ea li-valve tsa phepelo ea metsi le liphaephe tsa drainage, khetho ea li-valve le likarolo tsa ho seta (a) lipeipi tsa phepelo ea metsi tse sebelisoang holim'a valve, hangata ho latela melao-motheo e latelang ho khetha 1. Ha bophara ba phala bo se kholo ho feta 50mm, ho eletsoa hore Sebelisa valve ea globe, ha bophara ba phala bo feta 50mm, ho bohlokoa ho sebelisa belofo ea heke le valve ea serurubele. 2 e hloka ho fetola phallo, khatello ea metsi ha ho sebelisoa valve e laolang, valve e khaotsoeng. Ntlha ea pele, khetho ea li-valve le likarolo tsa ho beha (a) valve e sebelisoang pompong ea phepelo ea metsi, ka kakaretso ho ea ka melao-motheo e latelang 1. Ha bophara ba phala bo sa fete 50mm, ho molemo ho sebelisa valve ea globe, le ha bophara ba phala bo le boholo. e kholo ho feta 50mm, ho eletsoa ho sebelisa valve ea heke le valve ea serurubele. 2 e hloka ho fetola phallo, khatello ea metsi ha ho sebelisoa valve e laolang, valve e khaotsoeng. 3. Moo ho thibela ho phalla ha metsi ho fokolang (joaloka pipe ea ho hula pompo ea metsi), valve ea heke e lokela ho sebelisoa. 4. Belofo ea heke le valve ea serurubele li tla sebelisoa karolong ea liphaephe moo phallo ea metsi e lokelang ho ba mahlakoreng a mabeli, 'me valve ea ho emisa e ke ke ea sebelisoa. 5. Butterfly valve le valve ea bolo e lokela ho sebelisoa likarolong tse nang le sebaka se senyenyane sa ho kenya. 6. Ho emisa valve ho lokela ho sebelisoa karolong ea pipe e atisang ho buloa le ho koaloa. 7. Li-valve tse nang le mesebetsi e mengata li lokela ho sebelisoa holim'a phala ea phallo ea metsi e nang le bophara bo boholo. 15 2. Li-node tsa marang-rang a marang-rang a lipeipi ka ntle ho sebaka sa bolulo li tla behoa ho latela litlhoko tsa karohano. Ha karolo ea phala ea lesale e le telele haholo, ho loketse ho beha valve ea karolo. 3. Qetello e qalang ea phala ea lekala e hokahaneng le phala e kholo ea phepelo ea metsi sebakeng sa bolulo kapa pheletsong e qalang ea phala ea ntlo. 4. Peipi ea ntlo, metara ea metsi le li- risers tsa makala (ka tlaase ho riser, lipheletsong tse ka holimo le tse ka tlaase tsa riser ea lipeipi tse theohileng). 5. Pipe e kholo ea marang-rang ea phala ea lesale le phala e kopanyang ka marang-rang a phala ea lekala. 6. Peipi ea phepelo ea metsi ka tlung e hoketsoe moo ho qalang phala ea phepelo ea metsi e hokahaneng le ntloana ea ntlo le ea sechaba, joalo-joalo, 'me sebaka sa phepelo ea metsi pompong ea lekala ea phepelo ea metsi se lokela ho beoa ha ho na le metsi a 3 kapa ho feta. libaka tsa kabo. 7. Pipe ea ho ntša metsi ea pompo ea metsi le pompo e monyang ea pompo ea metsi ea ho nosetsa. 8. Lipeipi tse kenang le tse ntšang metsi le lipeipi tse ntšang metsi ka tankeng ea metsi. 9. Lipeipi tsa ho kenya metsi le ho tlatsa hape tsa lisebelisoa (tse kang hitara le tora ea ho pholisa). 10. Liphaephe tsa lisebelisoa tsa bohloeki (mohlala, tse kholo, li-urinals, likotlolo tsa ho hlatsoa, ​​lishaoara, joalo-joalo). 11. Lisebelisuoa tse ling, tse kang valve ea ho qeta ka mokhoa o itekanetseng, valve ea khatello ea khatello, metsi a hammer eliminator, gauge ea khatello, sprinkler plug, valve e fokotsang khatello le sesebelisoa sa ho thibela ho khutlela morao pele le ka morao. 12. Li-valve tsa ho ntša metsi li lokela ho behoa karolong e ka tlaase ea marang-rang a phepelo ea metsi. (3) Sesepa sa ho hlahloba se lokela ho khethoa ka kakaretso ho ea ka boemo ba sona ba ho kenya, khatello ea metsi pele ho valve, litlhoko tsa ts'ebetso ea ho tiisa ka mor'a ho koala le boholo ba hamore ea metsi e bakiloeng ha ho koaloa 1. Ha khatello pele ho valve e nyenyane, swing, bolo le shuttle ho hlahloba li-valve li lokela ho khethoa. 2. Ha litlhoko tsa ts'ebetso ea ho tiisa li le thata ka mor'a ho koala, valve ea ho hlahloba e nang le selemo se koalang e lokela ho khethoa. 3. Ha hamore ea metsi e hlokeha hore e fokotsehe, ho loketse ho khetha valve ea ho hlahloba e se nang lerata e koalang ka potlako kapa valve ea ho hlahloba butle-butle e nang le sesebelisoa sa damping. 4. Phallo ea valve kapa spool ea valve ea ho hlahloba e lokela ho khona ho koala ka boeona tlas'a ketso ea matla a khoheli kapa matla a selemo. Li-valve tsa ho hlahloba LI TLA KEnngoa LIKAROLONG TSE LATELANG TSA PIPELINE EA METSI Led ka har'a tube; Phapeng e kenang ea mocheso oa metsi o koetsoeng kapa lisebelisoa tsa tšebeliso ea metsi; pompo ea ho ntša metsi; Liphaephe tsa metsi tse kenang le tse tsoang li kopantsoe le tanka ea metsi, tora ea metsi, le karolo ea lipeipi tsa ho tsoa tsa letamo la lithabeng tsa peipi. Tlhokomeliso: Ha ho hlokahale ho kenya li-valve tsa ho hlahloba bakeng sa likarolo tsa liphaephe tse nang le li-blockers tsa backflow. (5) Likarolo tse latelang tsa lipeipi tsa phepelo ea metsi li tla hlomelloa ka lisebelisoa tsa ho ntša metsi 1. Bakeng sa marang-rang a phepelo ea metsi a sebelisoang khafetsa, li-valve tsa ho ntša metsi ka boiketsetso li lokela ho beoa qetellong le sebakeng se phahameng sa marang-rang. 2. Bakeng sa karolo ea marang-rang ea phepelo ea metsi e nang le ho feto-fetoha ha moea le ho bokellana ha moea, li-valve tsa ho ntša metsi ka mokhoa o itekanetseng kapa mochine oa motlakase oa letsoho o behiloe sebakeng se phahameng sa karolo ena. 3. Sesebelisoa sa phepelo ea metsi a pneumatic, ha ho sebelisoa tanka ea metsi ea pneumatic ea ho tlatsa moea ka mokhoa o itekanetseng, sebaka se batlang se le holimo sa marang-rang a ho fana ka metsi se lokela ho ba le valve ea ho itima lijo. Ea bobeli, melemo le likotsi tsa li-valve tse fapaneng 1, li-valve tsa heke, valve ea heke e bua ka likarolo tse koalang (heke) ka lehlakoreng le otlolohileng la axis ea kanale ho tsamaisa valve, pompong e sebelisoa haholo e le sebaka se khaotsoeng. , ke hore, tšebeliso e bulehileng kapa e koetsoeng ka botlalo. Ka kakaretso, li-valve tsa heke li ke ke tsa sebelisoa ho laola phallo. E ka sebelisoa ho khatello e tlaase ea mocheso e ka boela ea sebelisoa ho mocheso o phahameng le khatello e phahameng, 'me ho ea ka thepa e fapaneng ea valve. Empa valve ea heke hangata ha e sebelisetsoe ho tsamaisa seretse le mecha e meng ea litaba ka har'a lipeipi. Melemo: (1) ho hanyetsa mokelikeli o monyenyane; ② torque e hlokahalang bakeng sa ho bula le ho koala e nyane; ③ e ka sebelisoa ka phallo e bohareng ho ea ho litsela tse peli tsa tsela ea tsamaiso ea marang-rang, ke hore, ho phalla ha seaplane ha ho thibetsoe; (4) Ha e butsoe ka ho feletseng, sebaka sa ho tiisa se senyeha ke mochine o sebetsang ho feta valve ea ho emisa; ⑤ Sebopeho sa 'mele se batla se le bonolo,' me theknoloji ea tlhahiso e ntle; ⑥ Bolelele ba sebopeho bo khuts'oane. Mefokolo: (1) boholo le bophahamo ba ho bula bo boholo, sebaka se hlokahalang ho kenya le sona se seholo; ② Ts'ebetsong ea ho bula le ho koala, sebaka sa ho tiisa se batla se hohlana, tahlehelo ea likhohlano e kholoanyane, ebile ho bonolo ho baka ts'ebetso ea abrasion ka mocheso o phahameng; ③ Sephahla se akaretsang sa heke se na le libaka tse peli tse tiisitsoeng, ho lokisa, ho sila le tlhokomelo ho ekelitse mathata a mang; (4) Nako e telele ea ho bula le ho koala. 2, Butterfly valve ke mofuta oa disc o bulang le likarolo tse koalang tse khutlang ka likhato tse 90 ho bula, ho koala le ho lokisa mocha oa mokelikeli oa valve. Melemo: ① sebopeho se bonolo, molumo o monyane, boima bo bobebe, lisebelisoa, tse sa sebelisoeng ka valve e kholo ea bophara; ② ho bula le ho koala ka potlako, ho hanyetsa phallo e nyenyane; (3) e ka sebelisoa bakeng sa seaplane ka fanyeha likarolo tse tiileng, ho ea ka matla a ho tiisa holim 'a ka boela sebelisoa bakeng sa phofo le mecha ea litaba granular. E ka sebelisoa ha ho buloa ka litsela tse peli, ho koala le ho lokisa phaephe ea moea le ho tlosa lerōle, 'me e sebelisoa liphaepheng tsa khase le litsela tsa metsi tsa metallurgy, indasteri ea leseli, matla a motlakase le lisebelisoa tsa petrochemical, joalo-joalo. Mathata: ① mefuta e mengata ea taolo ea phallo ha e kholo, ha e buloa ho fihlela ho 30%, phallo e tla kena ho feta 95%. ② Ka lebaka la sebopeho le thepa ea tiiso ea valve ea serurubele, ha e loketse mocheso o phahameng le tsamaiso ea liphaephe tse phahameng. Kakaretso ea mocheso oa ho sebetsa ka tlase ho 300 ℃, PN40 ka tlase. ③ Ts'ebetso ea ho tiisa e fokola ha e bapisoa le valve ea bolo le valve ea lefats'e, kahoo e sebelisoa libakeng tseo tlhokahalo ea ho tiisa e seng holimo haholo. 3, valve ea bolo E fetohile ho tloha ho valve ea plug, karolo ea eona ea ho bula le ho koala ke bolo, tšebeliso ea bolo e pota-potileng axis ea valve stem rotation 90 ° ho finyella morero oa ho bula le ho koala. Li-valve tsa bolo li sebelisoa haholo ho khaola, ho aba le ho fetola tsela ea phallo e mahareng phaepheng. Li-valve tsa bolo tse entsoeng e le menyetla e nang le sebopeho sa V le tsona li na le ts'ebetso e ntle ea taolo ea phallo. Melemo: ① E na le khanyetso e fokolang ea phallo (ha e le hantle 0); ② Hobane e ke ke ea khomarela mosebetsing (ntle le setlolo), e ka sebelisoa ka mokhoa o ts'eptjoang mecheng ea litaba e senyang le mokelikeli o tlaase o belang; (3) Ka mefuta e mengata ea khatello le mocheso, e ka finyella tiiso e feletseng; ④ Ho bula le ho koala kapele ho ka phethahala. Nako ea ho bula le ea ho koala ea mehaho e meng ke 0.05-0.1s, e le ho etsa bonnete ba hore e ka sebelisoa tsamaisong ea boiketsetso ea benche ea teko. Ha u bula le ho koala valve ka potlako, ts'ebetso ha e na tšusumetso. ⑤ Likarolo tse koalang tsa spherical li ka beoa ka bo eona sebakeng sa moeli; ⑥ mochine o sebetsang o tiisitsoe ka botšepehi mahlakoreng ka bobeli; ⑦ sebakeng se bulehileng ka ho feletseng le se koetsoeng ka ho feletseng, bolo le setulo sa valve se tiisa holim'a metsi le ho itšehla thajana, kahoo lebelo le phahameng ka har'a valve e ke ke ea baka khoholeho ea sebaka se koalang; ⑧ Sebopeho se kopaneng, boima bo bobebe, se ka nkuoa e le sebopeho se nang le kahlolo e molemo ka ho fetesisa bakeng sa sistimi e tlase ea mocheso; ⑨ Symmetrical valve body, haholo-holo sebopeho sa li-valve tse cheselitsoeng, e khona ho mamella khatello ea liphaephe hantle; ⑩ Likarolo tse koalang li ka mamella phapang e phahameng ea khatello ha li koala. (11) 'mele oa li-valve o nang le welded ka ho feletseng, o ka patoa ka ho toba fatše, e le hore valve e ka hare e ka senya bophelo, e batlang e le e phahameng ea tšebeletso ea lilemo tse ka bang 30, oli, pipeline ea khase ea tlhaho ke valve e loketseng. Mefokolo: ① hobane thepa e ka sehloohong e tiisang setulo sa li-valve ke PTFE, ha e kenelle hoo e ka bang lik'hemik'hale tsohle, 'me e na le likhohlano tse nyane, ts'ebetso e tsitsitseng, ha ho bonolo ho tsofala, mefuta e fapaneng ea ts'ebeliso ea mocheso le lits'ebetso tse felletseng tsa tiiso. . Leha ho le joalo, LITŠOANTŠISO TSA 'MELE TSA TEFLON, HO kenyeletsoa KHOLO E PHAHAMENG EA KEKETSO, HO HLOMELA HO PHALELA HO BATSA, LE BOITŠOAO BO HLOKAHILENG BA MOFUSO, LI HLOKA HORE HO ETSOE MORAO OA SETULO HO pota-pota LITŠOANTŠISO TSENA. Ka hona, ha thepa ea ho tiisa e e-ba thata, ho tšepahala ha tiiso ho senyeha. Ho feta moo, Teflon e na le boemo bo tlase ba ho hanyetsa mocheso 'me e ka sebelisoa feela tlas'a maemo a ka tlase ho 180 ℃. Ka holim'a mocheso ona, thepa ea ho tiisa e tla tsofala. Tabeng ea tšebeliso ea nako e telele, hangata ha e sebelisoe ho 120 ℃. (2) ts'ebetso ea eona e laolang e mpe ho feta valve ea lefats'e, haholo-holo valve ea pneumatic (kapa valve ea motlakase). 4, valve ea ho emisa Sephahla seo setho se koalang (disc) se tsamaeang haufi le mohala o bohareng oa setulo. Ho ea ka motsamao ona oa disc, phetoho ea setulo sa valve ka valve e lekana le sekhahla sa disc. Ka lebaka la mofuta ona oa "valve stem" e bulehileng kapa e haufi, e batla e le khutšoanyane, 'me e na le ts'ebetso e ka tšeptjoang haholo,' me ka lebaka la phetoho ea setulo sa valve ka ho otla ha disc e lekana le kamano, e loketseng haholo bakeng sa taolo ea phallo. . Ka hona, mofuta ona oa valve o loketse haholo bakeng sa ho itšeha kapa ho lokisa le ho phunya. Melemo: ① nakong ea ho bula le ho koala, hobane khohlano lipakeng tsa disc le sebaka sa ho tiisa valve e nyane ho feta valve ea heke, ka hona ha e sebetse. Bophahamo ba ho bula ka kakaretso ke * 1/4 ea mocha oa setulo, o monyenyane haholo ho feta valve ea heke; ③ Hangata ho na le sebaka se le seng sa ho tiisa holim'a 'mele oa valve le disc, kahoo theknoloji ea tlhahiso e molemo' me ho bonolo ho e boloka. ④ Hobane filler hangata ke motsoako oa asbestos le graphite, e na le khanyetso e phahameng ea mocheso. Li-valve tsa mouoane hangata li sebelisoa le li-valve tsa ho emisa. Mefokolo: ① ka lebaka la tataiso ea phallo ea sepakapaka ka valve e fetohile, ka hona, khanyetsano e nyane ea phallo ea valve ea lefats'e e phahame ho feta mefuta e meng e mengata ea li-valve; ② Ka lebaka la leeto le lelelele, lebelo la ho bula le lieha ho feta valve ea bolo. 5. Plug valve E bua ka karolo e koalang ka har'a sephahla sa rotary se nang le sebopeho sa plunger, ka likhato tse 90 tsa ho potoloha e le hore plug ea valve boema-kepeng ba mocha e bolelloe kapa e arohane, e bule kapa e koale valve. Pula e ka ba sebopeho sa cylindrical kapa conical. Molao-motheo oa eona ha e le hantle o tšoana le valve ea bolo, valve ea bolo e etsoa motheong oa plug valve, e sebelisoang haholo ho sebelisoa ha masimo a oli, empa hape e sebelisoa indastering ea petrochemical.