Sheba Setšoantšo se Seholoanyane
Tlhokahalo ea motlakase e ntse e eketseha har'a phetoho ea maemo a leholimo le tlhokahalo ea ho fumana mehloli e metle, e nchafalitsoeng le e seng kotsi haholo ho fehla motlakase.Sena se lebisa ho baetsi ba li-valve tsa indasteri indastering ea feme ea matla ho batla lisebelisoa tsa ts'ebetso tse ka eketsang katleho ea phepelo ea motlakase le ho eketsa ts'ebetso ea matla.
Ka ho sheba setšoantšo se seholoanyane, li-valve li bonahala e le karoloana feela ea boholo ba seteishene sa motlakase.Leha tsena li le nyane, karolo ea tsona ke ea bohlokoa setsing sa motlakase.Ha e le hantle, ho na le li-valve tse ngata setsing se le seng sa motlakase.E 'ngoe le e 'ngoe ea tsena e nka likarolo tse fapaneng.
Le hoja molao-motheo oa moralo oa li-valve tse ngata o sa fetoha, lisebelisoa tsa li-valve le mekhoa ea ho etsa li ntlafetse haholo.Ka sena kelellong, li-valve hona joale li ka sebetsa ka mokhoa o rarahaneng le ka katleho.Sengoliloeng sena se fana ka temohisiso ka li-valve tse sebelisoang lifemeng tsa motlakase, bohlokoa ba tsona hammoho le lihlopha.
Li-valve ka tloaelo li sebelisoa lits'ebetsong tsa Power Plant
Bolted Bonnet le Pressure Seal Gate Valves
Li-valve tsa heke li na le disc kapa wedge e sebetsang joalo ka heke e thibelang tsela ea phallo ea mecha ea litaba.Ha e reretsoe ho thothomela, karolo e ka sehloohong ea li-valve tsa heke ke ho arola mecha ea litaba e nang le thibelo e fokolang.Ho sebelisa valve ea heke ka botlalo, e sebelise feela e butsoe kapa e koetsoe ka botlalo.
Li-valve tsa heke, hammoho le li-valve tsa lefats'e, ke tsa sehlopha sa li-valve tsa ho itšehla thajana.Li-valve tsena li ka emisa ho phalla ha mecha ea litaba maemong a tšohanyetso kapa ha pipeline e hloka tlhokomelo.Tsena li ka boela tsa hokahanya mecha ea phatlalatso le lisebelisoa tsa ts'ebetso ea ka ntle kapa e ka lebisa tsela eo mecha ea litaba e lokelang ho e latela.
Belofo ea bonnet ea bolt e fokotsa khoholeho, khohlano le ho theoha ha khatello.Sena se bakoa ke moralo oa eona o otlolohileng oa boema-kepe.Bakeng sa li-valve tsa heke ea tiiso ea khatello, ho na le meralo e 'meli e fumanehang bakeng sa lits'ebetso tsa khatello e phahameng le mocheso: parallel disc le wedge e feto-fetohang.
Mofuta oa bonnet oa bolt o ntse o sebelisoa mocheso o phahameng empa mofuta ona o ka lutla ha khatello e eketseha.Bakeng sa lisebelisoa tse phahameng ho feta 500 psi, sebelisa valve ea tiiso ea khatello ka lebaka la ho eketseha ha tiiso ea eona ha khatello ea ka hare e ntse e eketseha.
Moralo o boetse o lumella khokahano e fokolang lipakeng tsa media le disk.Ho sa le joalo, moralo oa wedge o etsa hore ho se be bonolo ho khomarela setulo.
Bakeng sa lits'ebetso li ka tlase ho Sehlopha sa 600 sa ANSI, sebelisa valve ea heke ea bolt e entsoeng ka bolt.Leha ho le joalo, bakeng sa lits'ebetso tse nang le khatello e phahameng, sebelisa li-valve tsa heke tse tiisang khatello.Khatello e phahameng e ka tlosa liboutu ka mofuta oa bolt ea bolt.Sena se ka lebisa ho dutla.
Bolted Bonnet le Pressure Seal Globe Valves
Valofo ea lefats'e e ts'oana hantle le valve ea heke empa ho fapana le diski e kobehileng, e sebelisa disk e kang globe e koalang, e bulelang kapa e thethefatsang mecha ea litaba.Haholo-holo, mofuta ona oa valve ke oa merero ea ho phunya.Ntho e fokolang ea valve ea lefats'e ke hore e ke ke ea sebelisoa le mecha ea litaba e nang le litekanyetso tse phahameng tsa phallo.
Li-valve tsa lefats'e, lits'ebetsong tsa tlhahiso ea matla, li sebetsa hantle ho laola phallo.Ho phaella moo, ha ho bapisoa le li-valve tse ling, valve ea globe e na le moralo o bonolo, o etsang hore tlhokomelo e be bonolo.Moralo o baka likhohlano tse tlase tse qetellang li lelefatsa bophelo ba tšebeletso ea valve.
Ho nahanoa ha u khetha li-valve tsa lefats'e ke mofuta oa sehare, lebelo la phallo ea sehare se boletsoeng le boholo ba taolo e hlokahalang ho tsoa ho valve.Ho phaella ho tsena, setulo, disc le palo ea ho chenchana ho bula le ho koala valve le eona ha ea lokela ho nkoa e le ea bohlokoa.
Mofuta oa bonnet oa bolt o ntse o sebelisoa mocheso o phahameng empa mofuta ona o ka lutla ha khatello e eketseha.Bakeng sa lisebelisoa tse phahameng ho feta 500 psi, sebelisa valve ea tiiso ea khatello hobane tiiso ea eona e eketseha ha khatello ea ka hare e ntse e eketseha.
Bolted Bonnet Swing Check kapa Pressure Seal Tilt Disc Check Valves
Li-valve tsa ho hlahloba ke li-valve tsa anti-backflow.Se boleloang ke sena ke hore se lumella ho phalla ha mecha ea litaba e sa tloaelehang.Moralo oa 45-degree angled disc o fokotsa ho hamore ha metsi hape o khona ho ikamahanya le mecha ea litaba ka lebelo le phahameng.Hape, moralo o lumella ho theoha ha khatello e tlase.
Li-valve tsa ho hlahloba li sireletsa tsamaiso eohle ea liphaephe le lisebelisoa ho tloha tšenyo e ka 'nang ea e-ba teng ho tsoa ho phallo ea phetoho.Har'a li-valve tsohle, li-valve tsa ho hlahloba, mohlomong, li nka tšenyo e kholo ka ho fetisisa kaha hangata li pepesehetse mecha ea litaba le mathata a mang a ts'ebetso.
Ho otla ka metsi, ho jamming le ho nyalana ke tse ling tsa litaba tse tloaelehileng tsa li-valve tsa cheke.Ho khetha valve e nepahetseng ho bolela ts'ebetso e sebetsang ea valve.
Li-valve tsa "bonnet" tsa "bolt" le "pressure seal tilt" li na le litšenyehelo tse ngata ho feta meralo leha e le efe ea li-valve tsa ho hlahloba.Ho feta moo, moralo oa tilt disc o tiisa ka thata ho feta meralo e meng ea li-valve tsa cheke.Kaha e na le ts'ebetso e bonolo, ho boloka mofuta ona oa valve ho boetse ho bonolo.
Li-valve tsa ho hlahloba ke litlatsetso tsa bohlokoa ts'ebelisong efe kapa efe e amanang le potoloho e kopantsoeng le limela tsa motlakase tse chesitsoeng ka mashala.
Li-valve tsa ho hlahloba tse peli
E nkoa e le e tšoarellang haholoanyane, e sebetsang hantle le e bobebe ho feta valve ea ho hlahloba swing, valve e 'meli ea ho hlahloba e na le liliba tse eketsang nako ea karabo ea valve.Karolo ea eona tsamaisong ea liphaephe tsa semela sa matla ke ho ikamahanya le liphetoho tsa tšohanyetso phallo ea mecha ea litaba.Sena, le sona, hangata se fokotsa kotsi ea hamore ea metsi.
Li-valve tsa ho hlahloba Nozzle
Ena ke mofuta o khethehileng oa valve ea ho hlahloba.Ka linako tse ling e bitsoa li-valve tsa ho hlahloba tse khutsitseng.Moqapi o thusa ka ho khetheha ha ho hlokahala hore ho be le karabelo e potlakileng khahlanong le ho khutlela morao.Hape, ha ho na le ts'okelo e sa feleng ea ho khutlela morao, sebelisa valve ena.
Moralo ona o fokotsa litlamorao tsa ho hamore ha metsi hammoho le ho thothomela ho bakoang ke mecha ea litaba.E ka boela ea fokotsa tahlehelo ea khatello le ho fana ka karabelo e potlakileng ho shutoffs.
Li-valve tsa ho hlahloba li-nozzle li nahanela lebelo le hlokahalang ho bula valve.Mecha ea litaba ea metsi ha e hloke hore e be lebelo le phahameng ho koala valve.Leha ho le joalo, valve hang-hang e koala ha ho e-na le phokotso e kholo ea phallo ea mecha ea litaba.Sena se etsoa ho fokotsa khatello ea metsi.
Li-valve tsa ho hlahloba li-nozzle li ka etsoa ka mokhoa o ikhethileng ho lumellana le litlhoko tsa mochini oa motlakase.E ka etsoa ho lumellana le kopo.E bile ha e itšetlehe ka boholo ba liphaephe.
Li-valve tsa Bolo tse lutseng ka tšepe
Li-valve tsa bolo ke karolo ea lelapa la kotara.Ntho ea eona e ka sehloohong ke sebopeho se kang bolo se fetolang 900 ho bula kapa ho koala.Sena se sebetsa joalo ka sethibelo ho boralitaba.
Lisebelisoa tsa motlakase li sebelisa li-valve tsa bolo tse lutseng ka tšepe hobane li ka mamella khatello e phahameng le mocheso o fetang 10000F.Ho feta moo, li-valve tsa bolo tse lutseng ka tšepe li khona ho mamella 'me ha li ratehe ho apara litulo ha li bapisoa le li-valve tsa tsona tse lutseng bonolo.
Ho tiisoa ha eona ka mahlakoreng a mabeli ho isa ho tšepe ho fana ka bokhoni bo betere ba ho koala ha bo bapisoa le li-valve tse ling.Ho lokisa li-valve tse joalo ho bitsa chelete e nyane hape.Kaha e khona ho mamella mocheso o phahameng, e boetse e khona ho mamella mollo.
Phallo e Phahameng ea Ts'ebetso ea Butterfly
Belofo ea serurubele e na le 'mele o kang oafer o nang le disc e tšesaane e potolohang ka mahlakoreng a mabeli.Ho ba bobebe, ho bonolo ho kenya, ho hlokomela le ho lokisa.
Ho seng joalo e tsejoa e le HPBV, li-valve tsa serurubele tse sebetsang hantle haholo li na le li-offsets tse peli ho fapana le e le 'ngoe.Sena se theha bokhoni bo betere ba ho tiisa.E boetse e etsa hore ho be le likhohlano tse fokolang, tse lebisang bophelong bo bolelele ba tšebeletso ea valve.
Li-valve tsa serurubele tse sebetsang hantle hangata li sebelisoa lits'ebetsong tsa ho noa metsi, lits'ebetso tsa metsi a pholileng le lits'ebetsong tsa metsi a litšila a indasteri.HPBV e na le bokhoni ba ho mamella khatello e phahameng le mocheso haeba litulo e le tšepe.
Li-valve tsa Serurubele tse Mametseng-tse Lulang
Mofuta ona oa valve ea serurubele hangata o sebelisoa bakeng sa khatello e tlase le mocheso, le lits'ebetso tse fokolang tsa semela sa matla.Ka setulo sa eona seo hangata se entsoeng ka rabara ea boemo bo holimo, se ka koala valve ka katleho lits'ebetsong tse nang le khatello e tlase.
Mofuta ona o bonolo ho kenya le ho o boloka.Moralo oa eona o bonolo o etsa hore li-valve tsa concentric tse lutseng tse tsitsitseng li be le litšenyehelo tse ngata ho li kenya.
Li-valve tsa Butterfly tsa Triple Offset
Li-valve tsa serurubele sa Triple offset li na le karolo ea boraro ea offset e behiloeng setulong.Sehlahisoa sena sa boraro se fokotsa ho hohlana ha valve e bula le ha e koala.Belofo ena e boetse e fana ka ho tiea ha khase le ho phalla ha mahlakore a mabeli.Ena ke mofuta o sebetsang ka ho fetisisa oa valve ea serurubele ha khatello e phahameng le mocheso e le tsona tse ka holimo.
E fana ka tiiso e tiileng ka ho fetesisa le bophelo bo bolelele ba ts'ebeletso har'a mefuta eohle e fapaneng ea li-valve tsa serurubele 'marakeng.
Khethollo ea Li-valve ho Indasteri ea Matla a Matla
Mofuta o mong le o mong oa ts'ebeliso ea tlhahiso ea matla o hloka sete e ikhethang ea litlhoko tsa taolo ea phallo.Ha ho buuoa joalo, ho na le li-valve tse ngata tsamaisong e fanoeng ea lipeipi lifemeng tsa motlakase.Ka lebaka la mofuta oa lits'ebetso tse etsahalang karolong e itseng ea tsamaiso ea liphaephe, li-valve tsa indasteri bakeng sa limela tsa motlakase le tsona li hloka ho nka likarolo tse fapaneng.
Li-valve bakeng sa Botšepehi bo Phahameng ba Slurries
Bakeng sa slurry e phahameng ea botšepehi, li-valve li hloka ho koaloa ka thata.Diski e lokela ho nkeloa sebaka habonolo hobane boholo ba nako, li-slurries tse fetang ho tsona lia senya kapa lia senya.Bakeng sa 'mele, se loketseng ka ho fetisisa ke tšepe le tšepe e sa hloekang bakeng sa kutu.
Li-valve bakeng sa Litšebeletso tsa ho Ikhetholla
https://www.youtube.com/watch?v=aSV4t2Ylc-Q
Li-valve tse sebelisetsoang ho itšehla thajana ke li-valve tse emisang ho phalla ha mecha ea litaba ka lebaka la mabaka a 'maloa.Tsena li arotsoe ka mekhahlelo e mene:
1. Valofo ea Heke ea Bonnet
Belofo e ntle ka ho fetisisa ea heke ea bonnet e lokela ho etsoa ka tšepe e entsoeng ka tšepe.Masale a eona a litulo le ona a lokela ho chesetsoa ho thibela ho lutla ho ka bang teng.
2. Khatello Seal Heke Valve
Meetso e 'meli, e tšehali le e tšoanang, e lokela ho ba le sefahleho se thata 'me e be le bokhoni ba ho itlhoekisa.Hape e lokela ho ba bonolo ho e hlokomela le ho e lokisa.
3. Pressure Seal Globe Valve
Bakeng sa lits'ebeletso tsa khatello e phahameng, disc, mehele ea setulo, le setulo se ka morao se lokela ho ba sefahleho se thata ho netefatsa bophelo bo bolelele ba ts'ebeletso.
4. Bolted Bonnet Globe Valve
Hangata valve ea bolted globe valve e sebelisoa bakeng sa lits'ebeletso tsa throttling, valve e loketseng ea mofuta ona e tlameha ho lahleloa ka likarolo tse teteaneng libakeng tseo ho tsona ho nang le khatello e eketsehileng.Ho netefatsa hore ho na le menyetla e fokolang ea ho lutla, reng ea setulo e tlameha ho chesetsoa.
Li-valve bakeng sa Tšireletso ea Phallo ea Phallo
Li-valve tsena li sireletsa phallo ea mali.Li-valve tsa mofuta ona li lokela ho ba le libaka tse thata-thata le li-bearings tse thibelang ho senya.Ho phaella ho tsena, valve e lokela ho ba le lithapo tse kholo tsa li-hinge tse bophara e le hore ho be le sebaka sa ho amohela motsamao oa mecha ea litaba.
Li-valve tsa sehlopha sena li kenyelletsa tse latelang:
– Bolted bonnet swing check valve
- valve ea ho hlahloba khatello ea khatello
– Nozzle check valve
- Li-valve tsa ho hlahloba lipoleiti tse peli
Li-valve bakeng sa Lisebelisoa tse Khethehileng
Hape ho na le lisebelisoa tse khethehileng bakeng sa li-valve tse itseng.Sena se itšetlehile ka mofuta oa mohloli oa matla hammoho le litlhoko tsa setsi sa motlakase.
– The Triple offset butterfly valve
– Valofo ea serurubele e sebetsang hantle haholo
– Belofo ea serurubele se habeli
- Valofo ea bolo e lutseng ka tšepe
– Belofo ea serurubele e lutseng e tiile
Kakaretso
Li-valve tsa indasteri tse sebelisoang lifemeng tsa motlakase hangata li ba le khatello e matla le khatello ea maikutlo.Ho tseba mofuta o nepahetseng oa li-valve ho netefatsa ts'ebeliso e ntle le e nepahetseng ea ho fehla matla.
Nako ea poso: Feb-25-2018