Angle type regulating valve tlhahiso ke mokhoa oa ho sebelisa? Labyrinth control valve e atlehile ho rarolla mathata a cavitation, lerata le ho sisinyeha ha li-valve tse tloaelehileng

Angle type regulating valve tlhahiso ke mokhoa oa ho sebelisa? Labyrinth control valve e atlehile ho rarolla mathata a cavitation, lerata le ho sisinyeha ha li-valve tse tloaelehileng Tsamaisong ea taolo ea othomathiki ea ts'ebetso ea tlhahiso, valve e laolang ke sehokelo sa bohlokoa le sa bohlokoa, se tsejoang e le matsoho le maoto a automation ea tlhahiso ea tlhahiso, ke e 'ngoe. ea likarolo tsa taolo ea terminal ea sistimi ea othomathiki ea taolo. Tsela ea phallo ea li-valve tsa li-angular e bonolo, e nyenyane e hanyetsa, ka kakaretso e loketse ho sebelisoa pele (ho kenya). Leha ho le joalo, tabeng ea ho theoha ha khatello e phahameng, ho kgothaletswa ho fetola tshebediso ya Angle regulator, e le ho ntlafatsa matla a sa leka-lekanang le ho fokotsa tšenyo ea spool, empa hape e thusa ho phalla ha seaplane, qoba ho pheha le ho thibela molaodi. Li-valve tse laolang li-angle ha li sebelisoa ka morao, haholo-holo li lokela ho qoba nako e telele ea ho buloa ha nyenyane, e le ho thibela ho oscillation ho matla le ho senya spool. Haholo-holo sethaleng sa tlhahiso ea liteko tsa semela sa lik'hemik'hale, ka lebaka la mojaro o tlaase tlhahiso ea teko, maemo a moralo oa moralo a ke ke a finyella litlhoko tsa morao-rao, tšebeliso e fapaneng ea Angle regulating valve e lokela ho ba ka hohle kamoo ho ka khonehang ho qoba nako e telele. ea ho buleha ho honyenyane, e le ho thibela tšenyo ea valve e laolang Angle. Tsamaisong ea taolo ea othomathike ea ts'ebetso ea tlhahiso, valve e laolang ke sehokelo sa bohlokoa le sa bohlokoa, se tsejoang e le matsoho le maoto a ts'ebetso ea tlhahiso ea boiketsetso, ke e 'ngoe ea likarolo tsa taolo ea terminal ea sistimi ea taolo ea othomathike. E entsoe ka likarolo tse peli: actuator le valve. Ho ea ka pono ea li-hydraulics, valve e laolang ke khanyetso ea sebaka seo e ka fetolang karolo ea throttle, valve e laolang e itšetlehile ka letšoao la ho kenya letsoho ka ho fetola leqeba ho fetola coefficient ea ho hanyetsa, e le ho finyella morero oa ho laola phallo. . Sebopeho sa valve e laolang li-angular le tšebeliso ea sebopeho sa 1 Angle regulating valve ho phaella ho 'mele oa valve bakeng sa Angle, mehaho e meng e tšoana le valve ea setulo se le seng, litšobotsi tsa eona li khetholla tsela e bonolo ea ho phalla, ho hanyetsa ho fokolang, haholo-holo e loketseng ho theoha ha khatello e phahameng, viscosity e phahameng, e nang le lintho tse tiileng tse emisitsoeng le taolo ea mokelikeli oa particulate. E ka qoba ho pheha, ho tlamahane le ho koala ketsahalo, empa hape ho bonolo ho hloekisa le ho itlhoekisa. 2 Mofuta oa li-angle o laolang li-valve tse sebetsang hantle le tse khutlisetsang morao tlas'a maemo a tloaelehileng, li-valve tse laolang mofuta oa Angle li kenngoa ka pele, ke hore, tlase ka lehlakoreng le ka ntle. Feela tabeng ea phapang e phahameng ea khatello le viscosity e phahameng, coking e bonolo, seaplane e nang le taba e emisitsoeng ea li-particulate, ho kgothaletswa ho kenya ntho e fapaneng, ke hore, lehlakoreng la thepa le ka tlase ho tsoa. Sepheo sa ho khutlisa ts'ebeliso ea li-valve tse laolang li-angular ke ho ntlafatsa matla a sa leka-lekaneng le ho fokotsa ho roala ha spool, empa hape ho thusa ho phalla ha viscosity e phahameng, ho pheha habonolo le seaplane se nang le lintho tse emisitsoeng, ho qoba coking le blockage. Semeleng sa acetaldehyde se hlahisitsoeng ke Jilin Chemical Industry Co., Ltd. ho tloha Jeremane Bophirimela, pv-23404 Angle regulating valve e khothalletsoa hore e sebelisoe ka morao tlas'a boemo ba ts'ebetso ea khatello e phahameng ea khatello. Tekong ea ho kopanya metsi, valve e laolang Angle e hlahisa oscillation e matla, 'me e romela lerata le bohale, spool e tla robeha ka mor'a tlhahlobo ea 4h. Ka nako eo, litsebi tsa kantle ho naha li ne li lumela hore boleng ba tlhahiso ea spool bo ne bo se botle. Mongoli o nahana hore ha se bothata ba boleng, empa ka lebaka la tšebeliso e sa utloahaleng. Mabaka a ho robeha ha eona a hlahlojoa ka tlase. Rea tseba hore hajoale, ntle le li-valve tsa serurubele le li-valve tsa diaphragm tse nang le symmetrical ka ho felletseng ka sebopeho, balaoli ba bang kaofela ba sebopeho ba asymmetrical. Ha valve e laolang e fetola tataiso ea phallo, ka lebaka la phetoho ea tsela ea phallo e tla baka) phetoho ea boleng. Phallo e tloaelehileng ea mefuta eohle ea li-valve tse laolang ke ho etsa hore spool e bule tataiso (tšebeliso e ntle), moetsi o fana feela ka matla a phallo ea tataiso e tloaelehileng ea phallo) boleng le litšobotsi tsa phallo. Ha valve e laolang e sebelisoa ka morao, matla a phallo ea valve e laolang e tla eketseha ha mokelikeli o phalla ka tsela eo spool e koetsoeng. Nakong ea teko ea ho hokahanya ha metsi, maemo a ts'ebetso a etsisitsoeng a ke ke a fihla boemong bo tloaelehileng haufinyane, 'me valve e laolang e sebelisoa sebakeng se senyenyane sa ho bula nako e telele. Ka lebaka la matla a sa leka-lekaneng, ho tla ba le ho hloka botsitso ho tebileng. Kahoo valve e laolang e tla hlahisa tšabo e matla le lerata le bohale, e leng se etsang hore spool e robehe kapele. Tlas'a maemo a tloaelehileng a ts'ebetso, ho buloa ha valve e laolang ho itekanetse, esita le haeba sebaka se senyenyane se le sekhutšoanyane, kahoo valve e laolang e ka sebelisoa ka mokhoa o tloaelehileng le ka mokhoa o sireletsehileng. Labyrinth control valve e atlehile ho rarolla mathata a cavitation, lerata le ho sisinyeha ha li-valve tse tloaelehileng Motlakase kapa oa pneumatic multistage multi-stage labyrinth regulating valve e sebelisoa ka har'a sleeve ea khatello ea axial e nang le mekhahlelo e mengata e entsoeng ka labyrinth channel e laolang valve, e laola ka ho feletseng lebelo la phallo ea bohareng ka valve, e fokotsa haholo khatello e phahameng ea khase kapa mouoane o hlahisoang ka lerata la valve, o tsitsitseng oa mekhahlelo e mengata ka katleho ho etsa hore mokelikeli o se ke oa hlahisa cavitation, o sebelisoa sebakeng se phahameng sa khatello ea sebaka se tsitsitseng sa taolo ea ts'ebetso, multi - spring pneumatic film mochine kapa actuator ea motlakase. Valve ea taolo ea labyrinth e na le disc ea cylindrical e nang le bongata ba libaka tsa coaxial tse ajoang ka labyrinth ea bophara bo kobehileng. Ho ea ka mekhahlelo e fapaneng ea ts'ebetso ea seaplane, moralo oa litekanyo tse fapaneng tsa bophara ba maze le palo ea likarolo tse kopaneng tse entsoeng ka cage ea li-valve, cage ea valve e tla ba mocha o felletseng oa ho potoloha ho tse ngata tse nyane kapa esita le mohato o kang oa phepelo ea phallo ea throttling. mocha, ho qobella mokelikeli ho lula o fetola tataiso ea phallo le sebaka sa phallo butle-butle ho fokotsa khatello ea mokelikeli, ho thibela ho hlaha ha flash cavitation, ho lelefatsa bophelo ba tšebeletso ea likarolo tsa valve. Spool ea matsoho e leka-lekaneng e lekanang hantle setulong e tiisa ho lutla ho tlase haholo. Li-valve internals li loketse mefuta eohle ea maemo a bonolo ho thibela ho phalla le ho baka cavitation. Ho mofuta o tsoang kantle ho naha o laolang valve ea American VTON labyrinth regulating valve e le mohlala, e sebelisoang hangata bakeng sa mocheso o phahameng le mouoane oa khatello e matla, hammoho le linako tsa phepelo ea metsi. Mocheso o phahameng oa mocheso le khatello e phahameng e tsoang linaheng tse ling e sebelisoa haholo seteisheneng sa motlakase, metallurgy, petrochemical le liindasteri tse ling tse ngata, mocheso o phahameng le khatello e phahameng ea ho laola li-valve cavitation, lerata le mathata a ho sisinyeha, ho bile thata ho rarolla sehlooho. Labyrinth e laolang valve e sebelisang theknoloji e butsoitseng, e rarollotse ka katleho valve e tloaelehileng ea taolo e kopaneng e kang cavitation, lerata le phahameng, ho sisinyeha le mathata a mang, e 'nile ea sebelisoa ka mochine oa motlakase oa motlakase ho fokotsa metsi a futhumetseng, taolo ea bonyane ba phallo ea pompo ea phepelo le taolo e meng ea phallo. Valve e laolang labyrinth e ka etsoa ka ho khetheha bakeng sa litlhoko tse fapaneng tsa basebelisi, ka ho laola lebelo la phallo ea mahareng ho felisa mathata a cavitation, lerata, corrosion le vibration. Li-valve tse laolang mofuta oa Labyrinth ka sebopeho sa moralo oa disassembly ka potlako, tlhokomelo e bonolo, e ka ba bonolo haholo ho nkela spool sebaka; Litšobotsing tsa phallo ea tšebeliso ea moralo oa linyeoe, e le ho fana ka taolo ea phallo e bapisoang, e nang le litšobotsi tse thata tsa ho koala. Setsi sa motlakase se nka valve e laolang labyrinth, e ka netefatsang ts'ebetso e sireletsehileng le e tsitsitseng, ho ntlafatsa lebelo le ho lelefatsa potoloho ea tlhokomelo. Bakeng sa valve e tloaelehileng ea mohato o le mong, khatello ke p1 'me sekhahla sa phallo ke v1 ha sehare se kena. Ha sekhahla se phalla ho karolo ea spool, ka lebaka la phello ea throttling ea spool le setulo, phenomenon ea shrinkage ea molala, kahoo sekhahla sa phallo se tla eketseha ka potlako ho ea ho v2, 'me khatello e fokotsehile ka potlako ho p2,' me hangata e tlaase ho feta ea seaplane e saturated. khatello ea mouoane Pv. Tabeng ena, seaplane e vaporize, etsa bubble. Ha sehare se phalla karolong ea molala e entsoeng ke mokokotlo oa valve le setulo, boemo ba ho sebetsa bo boetse bo fetoha ka lebaka la phetoho ea mocha. Boema-kepe ba khatello boa phahama mme matla a kinetic a fetoloa matla a ka bang teng. Ka nako ena, khatello e khutlela ho P3 le lebelo ho v3. Ha khatello e feta khatello e matla ea mouoane ea bohareng, Pv, li-bubble tse sa tsoa thehoa li tla phatloha, li hlahise khatello e matla ea sebaka seo. Matla a maholo ha bubble e phatloha a ka baka tšenyo e tebileng mokokotlong oa valve, setulo sa valve le lintho tse ling tse sisinyehang ka motsotsoana, ho etsa ntho e bitsoang cavitation phenomenon. Cavitation e tlamehile ho baka tšenyo ea li-valve, e lebisang ho lutla, lerata le tebileng le ho baka ho sisinyeha ha likarolo tsa valve, ka hona ho ama ts'ireletso le katleho ea tsamaiso eohle. Hobane cavitation e tla hlahisa li-atmospheres tse likete tsa khatello ea holim'a metsi holim'a karolo ea throttle, ka hona, ka ho ntlafatsa feela boima ba holim'a mokokotlo oa valve le setulo sa valve ha se khone ho rarolla bothata ba cavitation. Moralo oa anti-cavitation oa valve ea taolo ea labyrinth ke tšebeliso ea molao-motheo oa labyrinth core multistage step-down, ka ho qobella mahareng hore a phalle ka letoto la li-angle tse nepahetseng e le hore tekanyo ea phallo e laoloa ka ho feletseng, ho finyella morero oa ho theoha. Ho sa tsotellehe ho theoha ha khatello, ho hanyetsa ha li-curve tsena ho fokotsa tekanyo eo mecha ea litaba e ka phallang ho eona. Ka mor'a ho tepella maikutlong ka mekhahlelo e mengata, khatello ea bohareng e lula e bolokiloe ka holim'a khatello ea vaporization e tletseng ea pv e bohareng, kahoo ho qoba ketsahalo ea cavitation le ho felisa lintho tse sa sireletsehang. Labyrinth core pack e entsoe ka lipoleiti tse ngata tsa labyrinth tse kopantsoeng tlas'a maemo a khethehileng (ho sebelisa li-adhesives tse tsoang linaheng tse ling). Letlapa le leng le le leng la labyrinth le sebetsoa ka mokhoa o phethahetseng oa ho etsa mokhoa oa ho etsa likanale tse 'maloa,' me mocha o mong le o mong o ka feta ka mokhoa o itseng oa mahareng, 'me ho hanyetsa ha mahareng ho fanoa ke letoto la li-Angle tse nepahetseng li kobeha mochaneng. Ho ea ka litlhoko tse fapaneng tsa basebelisi, ka ho bala, ho khethoa ha lihlopha tse fapaneng tsa li-curve, e le hore lebelo le mahareng ka har'a sephutheloana sa mantlha sa labyrinth le lule le lekanyelitsoe mofuteng o itseng. Ha re bua ka boiphihlelo ba batho ba tsoang kantle ho naha, ha sekhahla sa phallo se le tlase kapa se le haufi le 30m/S, tšusumetso ea khoholeho ea throttle element e nyane. Hobane sekhahla sa phallo le palo ea li-bends ka disc ea labyrinth e ka fapana, 'me botenya ba disc bo ka etsoa hore bo be bobebe haholo (mohlala 2.5mm), valve e ka etsoa ho fana ka taolo ea phallo ho latela litlhoko tse khethehileng tsa mosebedisi. Ho latela ts'ebeliso ea li-valve le litlhoko tsa mosebelisi, sekhahla sa phallo ea valve e laolang e ka etsoa hore e be mola, peresente e lekanang, peresente e fetotsoeng le mefuta e meng e khethehileng ea li-curve. Hobane sebaka se sebetsang ka har'a valve ea motlakase ha e le hantle ke mokelikeli (haholo-holo ke metsi), valve ea labyrinth inlet e laolang ka kakaretso e nka mokhoa o haufi oa ho phalla. Ha sebopeho sa mofuta oa phallo se haufi, se kenella ka har'a 'mele oa li-valve, pele ka har'a sephutheloana sa mantlha, ebe ka mokokotlo oa li-valve, ka mor'a phallo ea bohlokoa ka ho fetisisa ho tloha setulong sa valve, phallo ea valve e bontšoa ke lengolo holim'a 'mele oa valve. .