Litiiso tsa moea tse matlafatsang tse habeli, tse ikamahanyang le theknoloji ea compressor air seal, li atile indastering ea shaft seal.Litiiso tsena li fana ka ts'ebetso ea zero ea mokelikeli o pompetsoeng sepakapakeng, e fana ka khanyetso e fokolang ea likhohlano holim'a pompo ea pompo le ho sebetsa ka mokhoa o bonolo oa tšehetso.Melemo ena e fana ka litšenyehelo tse tlase tsa tharollo ea bophelo bohle.
Litiiso tsena li sebetsa ka ho hlahisa mohloli o ka ntle oa khase e hatelletsoeng lipakeng tsa libaka tse ka hare le tse kantle tsa tiiso.Sebaka se khethehileng sa sebaka sa ho tiisa se beha khatello e eketsehileng holim'a khase e thibelang metsi, e leng se etsang hore sebaka sa ho tiisa se arohane, se etsang hore sebaka sa ho tiisa se phaphametse ka filimi ea khase.Litahlehelo tsa likhohlano li tlase kaha libaka tse tiisang ha li sa ama.Khase e thibelang metsi e feta ka har'a lera ka tekanyo e tlaase ea phallo, e ja khase e thibelang metsi ka mokhoa oa ho lutla, hoo boholo ba eona e lutlang sepakapakeng ka libaka tse ka ntle tsa tiiso.Masala a kenella ka kamoreng ea tiiso 'me qetellong a nkoa ke molapo oa ts'ebetso.
Litiiso tsohle tse habeli tsa hermetic li hloka mokelikeli o hatelletsoeng (mokelikeli kapa khase) lipakeng tsa bokantle ba kahare le kantle ba kopano ea tiiso ea mochini.Ho hlokahala tsamaiso ea tšehetso ho isa mokelikeli ona ho tiiso.Ka lehlakoreng le leng, ka har'a metsi a lubricated khatello ea habeli tiiso, mokelikeli o thibelang metsi o potoloha ho tloha polokelong ka tiiso ea mochine, moo e lubricate holim'a tiiso, e monya mocheso, 'me e khutlela letamong moo e hlokang ho qhala mocheso o monyang.Lits'ebetso tsena tsa mokelikeli tse peli tsa litiiso li rarahane.Meroalo ea mocheso e eketseha ka khatello ea ts'ebetso le mocheso 'me e ka baka mathata a ho tšepahala haeba e sa baloe hantle le ho behoa.
Sistimi e hatelitsoeng ea litiiso tse peli tsa moea e nka sebaka se senyenyane, ha e hloke metsi a pholileng, 'me e hloka tlhokomelo e fokolang.Ho phaella moo, ha mohloli o ka tšeptjoang oa khase e sireletsang o fumaneha, ho tšepahala ha oona ho itšetlehile ka khatello ea ts'ebetso le mocheso.
Ka lebaka la keketseho e ntseng e hola ea litiiso tsa moea tsa pompo tse habeli 'marakeng, American Petroleum Institute (API) e ekelitse Lenaneo la 74 e le karolo ea phatlalatso ea khatiso ea bobeli ea API 682.
74 Lenaneo la ts'ehetso ea lenaneo hangata ke sete ea li-gauge tse kenngoeng ka liphanele le li-valve tse hloekisang khase e thibelang, ho laola khatello e tlase ea noka, le ho lekanya khatello le phallo ea khase ho litiiso tsa mochini.Ho latela tsela ea khase e thibelang khase ka phanele ea Plan 74, ntho ea pele ke valve ea ho hlahloba.Sena se lumella phepelo ea khase e thibelang hore e qheleloe ka thoko ho tiiso bakeng sa phetiso ea element element kapa tokiso ea pompo.Khase e thibelang khase ebe e feta ka har'a filthara ea 2 ho isa ho 3 micrometer (µm) e kopanyang metsi le likaroloana tse ka senyang likarolo tsa topographical tsa bokaholimo ba tiiso, ho etsa filimi ea khase holim'a bokaholimo ba tiiso.Sena se lateloa ke molaoli oa khatello le manometer bakeng sa ho beha khatello ea phepelo ea khase ea thibelo ho tiiso ea mochine.
Litiiso tse peli tsa pompo ea khatello ea khase li hloka hore khatello ea phepelo ea khase e thibelle ho kopana kapa ho feta khatello e tlase ea phapang e kaholimo ho khatello e phahameng ka phaposing ea tiiso.Ho theoha hona ha khatello e fokolang ho fapana ho ea ka moetsi oa tiiso le mofuta, empa hangata ho pota-potile lik'hilograma tse 30 ka lisenthimithara tsa psi.Mochine oa khatello o sebelisetsoa ho lemoha mathata leha e le afe ka khatello ea phepelo ea khase e thibelang khase le ho lla alamo haeba khatello e theoha ka tlase ho boleng bo fokolang.
Ts'ebetso ea tiiso e laoloa ke phallo ea khase e thibelang ho sebelisa meter ea phallo.Ho kheloha ho tloha ho sekhahla sa phallo ea khase ea seal e tlalehiloeng ke baetsi ba litiiso tsa mochini ho bonts'a ts'ebetso e fokotsehileng ea ho tiisa.Phallo e fokotsehileng ea khase e thibelang khase e ka 'na ea bakoa ke ho potoloha ha pompo kapa ho falla ha mokelikeli ho ea sefahlehong sa tiiso (ho tloha khase e silafetseng kapa mokelikeli o sebetsang).
Hangata, ka mor'a liketsahalo tse joalo, ho senyeha ha libaka tsa ho tiisa ho etsahala, ebe joale ho phalla ha khase ea thibelo hoa eketseha.Ho phahama ha khatello ka har'a pompo kapa tahlehelo e itseng ea khatello ea khase e thibelang metsi le eona e ka senya sebaka sa ho tiisa.Li-alarms tsa phallo e phahameng li ka sebelisoa ho fumana hore na ho kenella neng ho hlokahala ho lokisa phallo e phahameng ea khase.Sebaka se behiloeng bakeng sa alamo ea phallo e phahameng ka tloaelo e maemong a 10 ho isa ho makhetlo a 100 ho phalla ha khase e tloaelehileng ea thibelo, hangata e sa khethoa ke moetsi oa tiiso ea mechine, empa ho itšetlehile ka hore na pompo e ka mamella ho lutla ha khase hakae.
Ho 'nile ha sebelisoa li-flowmeters tse fapaneng ka tloaelo' me ho tloaelehile hore li-flowmeters tse tlaase le tse phahameng li hokahane ka letoto.Sesepa sa phallo e phahameng se ka kenngoa methareng ea phallo e phahameng ho fana ka alamo ea phallo e phahameng.Li-flowmeters tsa sebaka se feto-fetohang li ka lekanyetsoa feela bakeng sa likhase tse itseng ka mocheso le likhatello tse itseng.Ha o sebetsa tlas'a maemo a mang, a kang ho fetoha ha mocheso pakeng tsa lehlabula le mariha, tekanyo ea phallo e bontšitsoeng e ke ke ea nkoa e le boleng bo nepahetseng, empa e haufi le boleng ba sebele.
Ka ho lokolloa ha API 682 4th edition, phallo le litekanyo tsa khatello li tlohile ho tloha ho analog ho ea ho digital ka ho balloa ha libaka.Li-flowmeters tsa dijithale li ka sebelisoa e le li-flowmeters tsa sebaka se feto-fetohang, tse fetolelang boemo ba phaphametseng hore e be mats'oao a dijithale, kapa li-flowmeters tsa boima, tse fetolelang phallo ea boima ka bo eona ho phallo ea molumo.Tšobotsi e khethollang ea li-transmitters tse phallang haholo ke hore li fana ka liphello tse lefellang khatello le mocheso ho fana ka phallo ea 'nete tlas'a maemo a tloaelehileng a sepakapaka.Bothata ke hore lisebelisoa tsena li theko e boima ho feta li-flowmeters tsa sebaka se fapaneng.
Bothata ba ho sebelisa transmitter ea phallo ke ho fumana mochine o khonang ho lekanya phallo ea khase ea thibelo nakong ea ts'ebetso e tloaelehileng le libakeng tse phahameng tsa alamo.Li-sensor tse phallang li na le boleng bo holimo le bo tlase bo ka baloang ka nepo.Pakeng tsa phallo ea zero le boleng bo tlase, phallo ea phallo e kanna ea se be e nepahetseng.Bothata ke hore ha tekanyo e phahameng ea phallo ea mokhoa o itseng oa phallo ea transducer e ntse e eketseha, tekanyo e fokolang ea phallo e boetse e eketseha.
Tharollo e le 'ngoe ke ho sebelisa li-transmitter tse peli (e le 'ngoe e tlase le maqhubu a phahameng), empa ena ke khetho e theko e boima.Mokhoa oa bobeli ke ho sebelisa mochine oa phallo bakeng sa mokhoa o tloaelehileng oa ho sebetsa le ho sebelisa mochine o phahameng oa phallo e nang le meter ea phallo ea analog.Karolo ea ho qetela eo khase ea thibelo e fetang ho eona ke valve ea ho hlahloba pele khase e thibelang khase e tloha phanele ebe e hokela ho tiiso ea mochini.Sena sea hlokahala ho thibela ho khutla ha metsi a pumped ka har'a phanele le tšenyo ea sesebelisoa ha ho e-na le litšitiso tse sa tloaelehang tsa ts'ebetso.
Sesepa sa ho hlahloba se tlameha ho ba le khatello e tlaase ea ho bula.Haeba khetho e fosahetse, kapa haeba tiiso ea moea ea pompo ea khatello ea bobeli e na le phallo e tlaase ea khase e thibelang khase, ho ka bonoa hore thibelo ea khase e phallang e bakoa ke ho bula le ho tsosolosa valve ea ho hlahloba.
Ka kakaretso, naetrojene ea semela e sebelisoa e le sethibelo sa khase hobane e fumaneha habonolo, ha e kenelle ebile ha e bake litlamorao tse mpe tsa lik'hemik'hale mokelikeli o pompetsoeng.Likhase tse sa sebetseng tse sa fumaneheng, tse kang argon, le tsona li ka sebelisoa.Maemong ao ho ona khatello e hlokahalang ea khase e sireletsang e leng kholo ho feta khatello ea naetrojene ea semela, mochini o matlafatsang khatello o ka eketsa khatello le ho boloka khase e phahameng ea khatello ho mochine o hokahantsoeng le seketsoana sa phanele sa Plan 74.Libotlolo tsa naetrojene tse ka libotlolong hangata ha li khothalletsoe kaha li hloka ho lula li nkeloa sebaka ka li-cylinders tse se nang letho ka tse tletseng.Haeba boleng ba tiiso bo senyeha, botlolo e ka ntšoa ka potlako, e etsa hore pompo e emise ho thibela tšenyo e eketsehileng le ho hlōleha ha tiiso ea mechine.
Ho fapana le lits'ebetso tse thibelang metsi, litsamaiso tsa tšehetso tsa Plan 74 ha li hloke ho ba haufi le litiiso tsa mochini.Tlhokomeliso feela mona ke karolo e telele ea tube e nyane ea bophara.Ho theoha ha khatello pakeng tsa phanele ea Plan 74 le tiiso ho ka etsahala ka phala nakong ea phallo e phahameng (ho senyeha ha tiiso), e leng ho fokotsang khatello ea mokoallo e fumanehang ho tiiso.Ho eketsa boholo ba phala ho ka rarolla bothata bona.Ha e le molao, liphanele tsa Plan 74 li behiloe setulong se bophahamong bo loketseng bakeng sa ho laola li-valve le ho bala lisebelisoa tsa ho bala.Bracket e ka kenngoa holim'a poleiti ea motheo ea pompo kapa haufi le pompo ntle le ho kena-kenana le tlhahlobo ea pompo le tlhokomelo.Qoba ho khoptjoa ho liphaephe/lipeipi tse hokelang liphanele tsa Plan 74 tse nang le litiiso tsa mochini.
Bakeng sa lipompo tse nang le li-inter-bearing tse nang le litiiso tse peli tsa mochini, e le 'ngoe pheletsong e' ngoe le e 'ngoe ea pompo, ha ho kgothaletswe ho sebelisa phanele e le' ngoe le ho arola phanele ea khase ea thibelo ho tiiso e 'ngoe le e' ngoe ea mochini.Tharollo e khothaletsoang ke ho sebelisa phanele e arohaneng ea Plan 74 bakeng sa tiiso ka 'ngoe, kapa phanele ea Plan 74 e nang le liphetho tse peli, e 'ngoe le e' ngoe e na le sete ea eona ea li-flowmeters le li-switches tsa phallo.Libakeng tse nang le mariha a batang ho ka 'na ha hlokahala hore ho fete mariha liphanele tsa Plan 74.Sena se etsoa haholo-holo ho sireletsa lisebelisoa tsa motlakase tsa phanele, hangata ka ho kenya phanele ka har'a khabinete le ho eketsa likarolo tsa ho futhumatsa.
Ntho e khahlisang ke hore sekhahla sa phallo ea khase e thibelang khase se eketseha ka ho fokotseha ha mocheso oa phepelo ea khase.Hangata sena ha se hlokomelehe, empa se ka bonahala libakeng tse nang le mariha a batang kapa phapang e kholo ea mocheso lipakeng tsa lehlabula le mariha.Maemong a mang, ho ka 'na ha hlokahala hore u lokise ntlha e phahameng ea alamo ea ho phalla ho thibela li-alarms tsa bohata.Liphanele tsa moea le liphaephe/lipeipi tse hokelang li tlameha ho hloekisoa pele li kenya liphanele tsa Plan 74 tšebetsong.Sena se finyelloa ha bonolo ka ho kenyelletsa valve ea moea haufi le kapa haufi le khokahano ea tiiso ea mochini.Haeba valve ea ho tsoa mali e sa fumanehe, tsamaiso e ka hloekisoa ka ho khaola tube / tube ho tloha ho tiiso ea mochine ebe o e kopanya hape ka mor'a ho hloekisa.
Ka mor'a ho hokahanya liphanele tsa Plan 74 ho litiiso le ho hlahloba likhokahano tsohle bakeng sa ho lutla, molaoli oa khatello hona joale o ka fetoloa khatellong e behiloeng ts'ebetsong.Phanele e tlameha ho fana ka khase e thibelang khatello ho tiiso ea mochini pele e tlatsa pompo ka mokelikeli oa tšebetso.Litiiso le liphanele tsa Plan 74 li se li loketse ho qala ha ts'ebetso ea ho kenya pompo le mekhoa ea ho kenya moea e phethiloe.
Sesefo se tlameha ho hlahlobjoa ka mor'a khoeli ea ts'ebetso kapa likhoeli tse ling le tse ling tse tšeletseng haeba ho se na tšoaetso e fumanoang.Nako ea ho khutlisa filthara e tla ipapisa le bohloeki ba khase e fanoeng, empa ha ea lokela ho feta lilemo tse tharo.
Litefiso tsa khase ea lithibelo li lokela ho hlahlojoa le ho ngoloa nakong ea tlhahlobo e tloaelehileng.Haeba tšitiso ea phallo ea moea e bakoang ke ho buloa le ho koaloa ha valve e le kholo ka ho lekana ho tsosa alamo e phallang haholo, litekanyetso tsena tsa alamo li kanna tsa hloka ho eketseha ho qoba lialamo tsa bohata.
Mohato oa bohlokoa oa ho tlosa mosebetsi ke hore ho itšehla thajana le khatello ea maikutlo ea khase e sireletsang e lokela ho ba mohato oa ho qetela.Ntlha ea pele, arola 'me u hatelle mokotla oa pompo.Hang ha pompo e le boemong bo sireletsehileng, khatello ea phepelo ea khase e sireletsang e ka tingoa 'me khatello ea khase e tlosoa phapeng e kopanyang phanele ea Plan 74 ho tiiso ea mochine.Hlakola mokelikeli ohle ho tsoa ho sistimi pele o qala mosebetsi ofe kapa ofe oa ho lokisa.
Litiiso tsa moea tsa pompo ea khatello ea habeli li kopantsoe le lits'ebetso tsa ts'ehetso tsa Plan 74 li fa basebelisi tharollo ea tiiso ea zero-emission shaft, matsete a tlase a chelete (ha ho bapisoa le litiiso tse nang le litsamaiso tse thibelang metsi), litšenyehelo tse fokotsehileng tsa potoloho ea bophelo, lits'ebetso tse nyane tsa ts'ehetso le litlhoko tse fokolang tsa ts'ebeletso.
Ha e kenngoa le ho sebelisoa ho latela mekhoa e metle, tharollo ena ea sekontiri e ka fana ka ts'epo ea nako e telele le ho eketsa ho fumaneha ha lisebelisoa tse potolohang.
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Mark Savage ke molaoli oa sehlopha sa lihlahisoa ho John Crane.Savage o na le Bachelor of Science in Engineering ho tsoa Univesithing ea Sydney, Australia.Ho fumana lintlha tse ling etela johncrane.com.
Nako ea poso: Sep-08-2022