Ho tiea ha libolo tse 4
Thepa ea bohlokoa ka ho fetisisa ea ho koala setulo bakeng sali-valve tsa boloke polytetraoxyethylene (PTFE), e utloang hoo e batlang e le lik'hemik'hale tsohle, 'me e na le coefficient e tlase ea khohlano, ts'ebetso e tsitsitseng, ha e bonolo ho tsofala, mefuta e mengata ea ts'ebeliso ea mocheso le ts'ebetso ea ho tiisa Litšobotsi tse ntle tse felletseng. Leha ho le joalo, thepa ea 'mele ea PTFE, ho kenyeletsoa coefficient e phahameng ea katoloso, kutloisiso ea phallo e batang le conductivity e fokolang ea mocheso, e hloka moralo oa litiiso tsa setulo sa valve ho tsepamisa maikutlo litšobotsing tsena. Thepa ea polasetiki ea setiiso sa setulo sa valve e boetse e kenyelletsa PTFE e tlatsitsoeng, nylon le lisebelisoa tse ling tse ngata. Leha ho le joalo, ha thepa ea ho tiisa e e-ba thata, ts'epo ea setiiso e tla senyeha, haholo-holo tabeng ea phapang e tlase ea khatello. Ho phaella moo, rabara ea maiketsetso joalo ka rabara ea butyl e ka boela ea sebelisoa e le thepa ea ho tiisa setulo sa valve, empa meriana ea eona e sebetsang ea maemo a mahareng le a mocheso e lekanyelitsoe. Ho feta moo, haeba setiiso se sa tlotsoa, ​​​​ts'ebeliso ea rabara ea maiketsetso e ka 'na ea jamisa bolo.
E le ho fihlela litlhoko tsa ts'ebeliso ea lits'ebetso tsa indasteri tse kang mocheso o phahameng, khatello e phahameng, khoholeho e matla, bophelo bo bolelele, jj., li-valve tsa bolo tse koetsoeng ka tšepe li ntlafalitsoe haholo lilemong tse leshome tse fetileng. Haholo-holo linaheng tse tsoetseng pele tsa indasteri, tse kang United States, Italy, Jeremane, Spain, Netherlands, jj., sebopeho sa valve ea bolo se ntse se ntlafatsoa khafetsa, 'me ho bile le li-valve tsa bolo tse patiloeng ka ho toba ke' mele kaofela, li-valve tsa bolo tse phahamisang, le li-valve tsa bolo liphaepheng tse hole, lisebelisoa tsa ho hloekisa oli, jj. Tšimo ea indasteri e sebelisoa haholo, ka bophara bo boholo (3050mm), khatello e phahameng (70MPa) le mefuta e mengata ea mocheso (-196 ~ 8159C) e hlahang, hoo theknoloji ea valve ea bolo e fihlileng boemong bo bocha.
5 Moralo le tlhahiso ea li-valve tsa bolo
Ka lebaka la ts'ebeliso ea Moralo o Thusitsoeng ke Khomphutha (CAD), Tlhahiso e Thusitsoeng ke Khomphutha (CAM) le Sistimi ea Tlhahiso ea Mulberry (FMS) indastering ea li-valve, moralo le tlhahiso ea li-valve tsa bolo li fihlile boemong bo bocha ka ho felletseng. Ha e so ntlafatse feela mokhoa oa ho bala moralo oa li-valve ka botlalo, empa hape e fokolitse mosebetsi o boima le o pheta-phetoang oa moralo oa basebetsi ba litsebi le ba botekgeniki, e le hore litsebi li be le matla a mangata a ho ntlafatsa, ho ntlafatsa ts'ebetso ea sehlahisoa le nts'etsopele ea sehlahisoa se secha, le ho khutsufatsa potoloho ea lipatlisiso le nts'etsopele ea lihlahisoa tse ncha. , Ntlafatsa tlhahiso ea basebetsi ka tsela e akaretsang, 'me ts'ebetsong ea lipatlisiso le nts'etsopele ea valve ea bolo ea tšepe ea mofuta oa molamu o phahamisang, ka lebaka la ts'ebeliso ea CAD/CAM, ho hlahile sephara se seholo sa rod spiral se entsoeng ka moralo o thusitsoeng ke khomphutha le lisebelisoa tsa mochini oa CNC tse thusitsoeng ke khomphutha, e leng tiiso ea tšepe. Valve ea bolo ha e na mengoapo le ho tsofala nakong ea ts'ebetso ea ho bula le ho koala, e le hore ts'ebetso ea ho tiisa le bophelo ba tšebeletso ea valve ea bolo li ntlafale haholo. Ha valve ea bolo e butsoe ka botlalo, khanyetso ea phallo e nyane haholo, e batla e lekana le lefela, kahoo valve ea bolo e bophara bo lekanang e sebelisoa haholo liphaepheng tsa oli le khase hobane ho bonolo ho hloekisa phaephe. ​​Hobane bolo ea valve ea bolo e hlakoloa nakong ea ts'ebetso ea ho bula le ho koala, li-valve tse ngata tsa bolo li ka sebelisoa liphaepheng tse nang le likaroloana tse tiileng tse emisitsoeng. Ho latela thepa ea lesale la ho tiisa, e ka boela ea sebelisoa liphaepheng tsa phofo le granular.
Liketsahalo tse 6 tsa valve ea bolo tse sebetsang
Kaha valve ea bolo hangata e sebelisa rabara, nylon le polytetraoxyethylene e le thepa ea lesale la ho koala setulo, mocheso oa tšebeliso ea eona o lekanyelitsoe ke thepa ea lesale la ho koala setulo sa valve. Tšusumetso ea ho khaola ea bophara ba bolo e finyelloa ka hore bolo ea tšepe e hatelloane pakeng tsa litulo tsa valve tsa polasetiki tlas'a ts'ebetso ea seaplane (valve ea bolo e phaphametseng). Tlas'a ts'ebetso ea khatello e itseng ea ho kopana, lesale la ho koala setulo sa valve le fetoha le boreleli le polasetiki libakeng tse ling. Ho fetoha hona ho ka lefella ho nepahala ha tlhahiso le ho se tsitse ha bokaholimo ba bolo, le ho netefatsa ts'ebetso ea ho koala ea valve ea bolo.
Ho phaella moo, kaha lesale la ho kwala setulo sa valve ya bolo hangata le entswe ka polasetiki, ha ho kgethwa sebopeho le tshebetso ya valve ya bolo, ho hlokahala ho nahana ka ho hanyetsa mollo le ho hanyetsa mollo ha valve ya bolo, haholoholo makaleng a peterole, dikhemikhale, metallurgical le a mang, mecheng ya ho tuka le ho phatloha. Tshebediso ya di-valve tsa bolo tsamaisong ya disebediswa le diphaephe tsa United States e lokela ho ela hloko haholo ho hanyetsa mollo le thibelo ya mollo.
Ka kakaretso, tokisong ea maemo a mabeli, ts'ebetso e tiileng ea ho koala, seretse, ho hohlana, kanale ea ho koala, ketso ea ho bula le ho koala ka potlako (ho bula le ho koala ha 1/4), ho khaola khatello e phahameng (phapang e kholo ea khatello), lerata le tlase, ho thiba le ho fetoha mouoane, Litsamaisong tsa liphaephe tse nang le ho lutla ho fokolang sepakapakeng, torque e nyane ea ts'ebetso le khanyetso e nyane ea mokelikeli, li-valve tsa bolo lia khothaletsoa.
Li-valve tsa bolo le tsona li loketse litsamaiso tsa liphaephe tse nang le sebopeho se bobebe, khaotso e tlase ea khatello (phapang e nyane ea khatello), le mecha ea phatlalatso e senyang.
Li-valve tsa bolo li ka boela tsa sebelisoa lisebelisoa tse nang le mocheso o tlase (cryogenic) le litsamaisong tsa liphaephe.
Tsamaisong ea liphaephe tsa oksijene ea indasteri ea tšepe, li-valve tsa bolo tse kileng tsa phekoloa ka thata ho tlosa mafura lia hlokahala.
Ha mela e meholo liphaepheng tsa oli le khase e hloka ho patoa ka tlas'a lefatše, ho hlokahala li-valve tsa bolo tse tjhitliloeng ka bophara bo felletseng.
Ha ho hlokahala ho lokisa tshebetso, valve ya bolo e nang le sebopeho se ikgethang se nang le lesoba le bōpehileng joaloka V e lokela ho kgethwa.
Ka hara peterole, petrochemical, lik'hemik'hale, motlakase le kaho ea litoropo, li-valve tsa bolo tse koetsoeng ho tloha tšepe ho ea tšepeng li ka sebelisoa bakeng sa litsamaiso tsa liphaephe tse nang le mocheso o fetang 200°C.
Melao-motheo e 7 ea ts'ebeliso ea li-valve tsa bolo
Bakeng sa liphaephe tsa oli le khase ea tlhaho, liphaephe tse hlokang ho hloekisoa, le ho patoa mobung, sebelisa li-valve tsa bolo tse nang le liphaephe tsohle le tse nang le liphaephe tsohle; bakeng sa ho patoa mobung, khetha li-valve tsa bolo tse nang le liphaephe tsohle kapa tse nang le liphaephe tse otlolohileng; liphaephe tsa makala, Khetha khokahano ea flange, khokahano ea ho welding, valve ea bolo e nang le bophara bo felletseng kapa e fokotsehileng.
Bakeng sa phaephe ea lipalangoang le lisebelisoa tsa polokelo ea oli e hloekisitsoeng, sebelisa li-valve tsa bolo tse flanged.
Bakeng sa liphaephe tsa khase le khase ea tlhaho tsa toropo, sebelisa li-valve tsa bolo tse phaphametseng tse nang le khokahano ea flange le khokahano ea khoele ea kahare.
Tsamaisong ea liphaephe tsa oksijene tsamaisong ea tšepe, valve ea bolo e tsitsitseng e kileng ea phekoloa ka thata ea ho tlosa mafura le khokahano e otlolohileng e lokela ho sebelisoa.
Bakeng sa litsamaiso le lisebelisoa tsa liphaephe tse mocheso o tlase, ho lokela ho sebelisoa li-valve tsa libolo tse mocheso o tlase tse nang le li-bonnet. Tsamaisong ea liphaephe ea yuniti ea ho petsoha ha catalytic ea yuniti ea ho hloekisa oli, valve ea bolo ea mofuta oa lifter e ka khethoa.
Litsamaisong tsa lisebelisoa le liphaephe tsa mecha ea phatlalatso e senyang joalo ka asiti le alkali lits'ebetsong tsa lik'hemik'hale, ho eletsoa ho sebelisa li-valve tsohle tsa tšepe e sa hloekang tse entsoeng ka tšepe e sa hloekang ea austenitic le polytetraoxyethylene e le setulo le lesale la ho tiisa.
Li-valve tsa bolo tsa ho tiisa tšepe ho tloha ho tšepe li ka sebelisoa lits'ebetsong tsa liphaephe kapa lisebelisoa bakeng sa mecha ea mocheso o phahameng lits'ebetsong tsa tšepe, lits'ebetsong tsa motlakase, lits'ebetsong tsa petrochemical, le lits'ebetsong tsa ho futhumatsa tsa litoropo.
Ha ho hlokahala tokiso ea phallo, ho ka khethoa sesupa-tsela sa li-worm-gear, valve ea pneumatic kapa ea motlakase e nang le lesoba le bōpehileng joaloka V.