Tlhaloso ea Valve ea DBB: Hobaneng ha Li-valve tsa Libolo tse Peli li Sebelisoa Bakeng sa ho Itšehla ka Bohloko

Libakeng tsa oli le khase, lifemeng tsa lik'hemik'hale, liteisheneng tsa LNG, le lipolatefomong tsa leoatleng, ho itšehla thajana ha se mosebetsi oa kamehla feela. Ke tlhoko ea polokeho. Pele tlhokomelo e qala karolong ea pompo, compressor, sesebelisoa, kapa liphaephe tse ka tlase ho noka, basebetsi ba lokela ho tseba hore khatello e arotsoe ka botlalo 'me e ke ke ea khutlela sebakeng sa mosebetsi.

Ke mooValve ea DBBe ba ea bohlokoa.

DBB e emetseThibela habeli le ho tsoa mali. Khopolo ena e otlolohile: litšitiso tse peli tse ikemetseng tsa ho koala tse nang le ntlha ea mali pakeng tsa tsona. Ha e le hantle, tokisetso ena e fa basebetsi mokhoa o tšepahalang oa ho netefatsa karohano pele mosebetsi oa tlhokomelo kapa oa tlhahlobo o qala.

Har'a litlhophiso tse fapaneng tsa DBB,valafo ea bolo ea bolo e habelie se e le e 'ngoe ea litharollo tse sebelisoang haholo hobane e kopanya moralo o monyane, ho tiisa ho tšepahalang, le ho kenya habonolo kopanong e le 'ngoe e kopaneng.

Mekhoeng e mengata ea lipeipi tsa sejoale-joale, haholo-holo lits'ebetsong tsa leoatleng le tsa khatello e phahameng, li-valve tsa DBB tse kopantsoeng joale li khethoa ho feta ho kenya li-valve tse peli tse arohaneng tsa bolo tse nang le liphaephe tse eketsehileng pakeng tsa tsona.

Valve ea DBB ke Eng?

A Valve ea DBBe fana ka:

• lintlha tse peli tse ikemetseng tsa ho itšehla thajana
• khokahano e le 'ngoe ea ho tsoa mali kapa moea o kenang lipakeng tsa tsona

Morero o bonolo. Kamora hore lithibelo tse peli tsa ho itšehla thajana li koaloe, sekoti se pakeng tsa tsona se ka ntšetsoa moea ka har'a kou e ntšang mali. Haeba ho se na khatello kapa mecha ea phatlalatso e tsoang, basebetsi ba tseba hore litiiso ka bobeli li tšoere hantle.

Mohato ona oa netefatso oa bohlokoa maemong a sebele a ts'ebetso. Esita le ho lutla ho honyenyane ka setulo se senyehileng ho ka baka likotsi tse kholo tsa polokeho nakong ea tlhokomelo.

Mehahong ea khale, ts'ebetso ea DBB e ne e atisa ho finyelloa ka ho sebelisa:

• li-valve tse peli tse arohaneng tsa bolo
• karolo ea spool
• valve e eketsehileng ea ho tsoa mali

Tokisetso eo e ntse e le teng dimeleng tse ngata. Leha ho le jwalo, e eketsa:

• ho rarahana ha liphaephe
• likhokahano tsa flange
• boima ba tlhomamiso
• lintlha tse ka bang teng tsa ho dutla ha metsi ka ntle

A valafo ea bolo ea bolo e habelie kopanya mekgwa e mmedi ya bolo kahare ho mmele o le mong wa valve o nang le kou e bohareng ya ho ntsha madi. Sistimi ka kakaretso e ba nyane haholo mme e ba bonolo ho e hlokomela.

Bakeng sa merero ea mose ho maoatle le litsamaiso tsa ho thellisa ka mokhoa o tloaelehileng, phokotso eo ea palo ea liphaephe le ea li-flange e ka etsa phapang e bonahalang.

Kamoo Valve ea Ball ea Double Ball e Sebetsang Kateng

Molao-motheo oa ts'ebetso ha o rarahane.

Ka hare ho 'mele oa valve ho na le libolo tse peli tse arohaneng tse koetsoeng ka tatellano. Pakeng tsa tsona ho na le lesoba le hokahaneng le valve e tsoang mali.

Ha bolo ea pele e koala, phallo ea metsi e thijoa ka lehlakoreng le ka holimo. Bolo ea bobeli e fana ka thibelo e 'ngoe e ikemetseng ea ho koala e ka tlase. Ho bula valve e tsoang mali pakeng tsa tsona ho lokolla khatello e tšoasitsoeng 'me ho tiisa hore na litiiso ka bobeli li sebetsa hantle.

Maemong a sebele a dimela, basebetsi hangata ba sebedisa kou e ntshang madi ho:

• netefatsa ho itšehla thajana pele o hlokomela
• mecha ea phatlalatso e tšoasitsoeng
• hlahloba ho dutla ha setulo
• fokotsa khatello ea maikutlo ka mokhoa o sireletsehileng

Lena ke le leng la mabaka a etsang hore li-valve tsa DBB li sebelisoe haholo meleng e kotsi ea litšebeletso:

• li-hydrocarbon
• khase e nang le khatello e phahameng
• lik'hemik'hale tse chefo
• haeterojene
• LNG

Valve e tloaelehileng ea bolo e le 'ngoe e ka arola phallo, empa ha e fane ka boemo bo tšoanang ba netefatso.

Meralo ea Li-valve tsa Libolo tse Phaphametseng le tsa Trunnion

Hase di-valve tsohle tsa DBB tse nang le bolo e habeli tse sebelisang kaho e tšoanang ea kahare. Meralo e 'meli e tloaelehileng haholo ke litlhophiso tsa bolo e phaphametseng le bolo e kentsoeng ka trunnion.

Moralo oa Libolo tse Phaphametseng

Kaho ea bolo e phaphametseng e tloaelehile ka boholo bo bonyenyane le lits'ebetsong tse itekanetseng tsa khatello.

Moralong ona, kgatello ya mola e sutumelletsa bolo kgahlanong le setulo se ka tlase ho etsa matla a ho kwala. Sebopeho se bonolo haholo, e leng se thusang ho fokotsa ditjeo tsa tlhahiso.

Li-valve tsa bolo tse phaphametseng tse habeli li sebelisoa haholo ho:

• liphaephe tse akaretsang tsa ts'ebetso
• litsamaiso tsa metsi
• tšebeletso ea hydrocarbon ea khatello e mahareng
• lisebelisoa tsa thuso

Bakeng sa litsamaiso tse ngata tsa indasteri, meralo e phaphametseng e sebetsa hantle 'me e bonolo ho e hlokomela.

Leha ho le jwalo, torque ya tshebetso e a eketseha ha boholo ba di-valve le kgatello di ntse di phahama. Ditsamaisong tse kgolo tsa diphaephe, sena se fetoha moedi o sebetsang.

Moralo o Hlomiloeng ka Trunnion

Li-valve tsa bolo tse peli tse kentsoeng ka trunnion hangata li sebelisoa ho:

• liphaephe tse bophara bo boholo
• litsamaiso tsa khase tse nang le khatello e phahameng
• mehaho ea mose ho maoatle
• maemo a boima a tšebeletso

Moralong ona, bolo e tshehetswa ka mechini ke di-trunnion bearing tse ka hodimo le tse ka tlase. Ho ena le hore bolo e tsamaye ho ya setulong, kopano ya setulo e tsamaye ho ya bolong.

Sena se fana ka melemo e 'maloa ea ts'ebetso:

• torque e tlase ea ts'ebetso
• ho tiisa ho tsitsitseng haholoanyane tlas'a liphetoho tsa khatello
• tshebetso e ntlafetseng ka boholo bo boholo
• taolo e betere nakong ea ts'ebetso ea potoloho e phahameng

Bakeng sa litsamaiso tsa Sehlopha sa 600, 900, 1500, kapa tse nang le khatello e phahameng, li-valve tsa DBB tse kentsoeng ka trunnion hangata lia khethoa.

Baenjiniere ba bangata ba liphaephe le bona ba khetha meralo ea li-trunnion bakeng sa litsamaiso tse iketsang hobane boholo ba actuator bo laoleha haholoanyane.

Hobaneng o Sebelisa Valve ea Libolo tse peli ho e-na le Li-valve tse peli tse arohaneng?

Ha e le hantle, di-valve tse pedi tse arohaneng tsa bolo tse nang le khokahano e tswang madi di ka fana ka tshebetso ya DBB. Empa di-valve tsa DBB tse kopantsweng di fana ka melemo e mmalwa e sebetsang e bang bohlokwa mererong ya sebele.

Litsela tse Fokolang tsa ho Dutla ha Metsi

Khokahano e 'ngoe le e 'ngoe ea flange e hlahisa ntlha e 'ngoe e ka bang teng ea ho lutla ka ntle.

Tokisetso ea setso e nang le li-valve tse peli tse arohaneng hangata e hloka:

• li-flange tse ling
• li-gasket tse eketsehileng
• likarolo tsa spool
• ho betla ho eketsehileng

Valve e kopantsoeng ea bolo ea libolo tse peli e fokotsa palo ea likhokahano tsa kantle. Litsing tse kholo tse nang le li-valve tse makholo, sena se fokotsa haholo mesi e ka bang teng e balehang le mosebetsi oa tlhokomelo.

Litlhoko tsa Boima bo Fokolitsoeng le Sebaka

Liforomong tsa kantle ho naha le li-FPSO, sebaka se lekanyelitsoe 'me boima ba sebopeho bo ama litšenyehelo tsa projeke ka kotloloho.

Bo-rakonteraka ba bangata ba EPC ba mose ho maoatle ba sebelisa li-valve tsa DBB tse kopantsoeng haholo-holo hobane li nolofatsa meralo ea liphaephe le ho fokotsa boima ba ho kenya ka kakaretso.

Ha ho bapisoa le likopano tse arohaneng tsa li-valve, li-valve tse nyane tsa DBB hangata li hloka:

• tšepe e tšehetsoang hanyane
• bolelele bo bokhutšoanyane ba ho kenya
• mosebetsi o fokolang oa ho kenya mocheso
• ho tjheseletsa liphaephe ho fokolang

Bakeng sa litsamaiso tsa ka tlas'a leoatle le li-skid tsa ts'ebetso ea modular, moralo o monyane hangata ke monyetla o moholo.

Netefatso e Bonolo ea ho Itšehla

E 'ngoe ea melemo e meholo ea ts'ebetso ke bokhoni ba ho netefatsa botšepehi ba ho tiisa ka potlako.

Kamora ho kwala dibolo ka bobedi, basebetsi ba bula feela valve e ntshang madi. Haeba kgatello e sa lokollwe, dithibelo tse pedi tsa ho kwala di sebetsa hantle.

Ts'ebetso ena e potlakile ebile e bonolo ho feta ho leka khatello ea li-valve tse peli tse arohaneng ka bonngoe.

Maemong a ho koaloa ha thepa moo basebetsi ba tlhokomelo ba hlokang netefatso e potlakileng ea ho itšehla thajana, sena se ba molemo haholo.

Meralo ea 'Mele ea Likarolo tse Tharo Khahlanong le ea ho Kena ka Holimo Khahlanong le ea Karolo e le 'Ngoe

Kaho ea 'mele e ama phihlello ea tlhokomelo le litšenyehelo tsa ts'ebetso ea nako e telele.

'Mele oa Likarolo tse Tharo

Li-valve tsa DBB tse likarolo li tharo li sebelisa li-cap tse nang le libolte tse hokahaneng le 'mele o bohareng.

Moralo ona o dumella litsebi ho tlosa dikarolo tsa kahare ntle le ho kgaola valve ka hara phaephe. ​​Difekthering tsa ho hlwekisa le tsa dikhemikhale, sena se ka fokotsa nako ya ho se sebetse ha tlhokomelo haholo.

Kaho ea likarolo tse tharo e tloaelehile moo ho lebeletsoeng hore ho nkeloe sebaka ke setulo nako le nako.

Moralo o Hloahloa

Li-valve tsa DBB tse kenang ka holimo li lumella likarolo tsohle tsa ka hare ho fihlelloa ho tloha holimo ho 'mele oa valve.

Moralo ona o sebelisoa haholo ho:

• litsamaiso tsa ka tlas'a leoatle
• liphaephe tsa phetisetso
• Li-platform tsa lebopong la leoatle
• litsamaiso tsa liphaephe tse welletsoeng

'Mele oa valve o lula o hokahane le phaephe nakong ea tlhokomelo, e leng se thusang ho fokotsa nako ea ho tima.

Bakeng sa mela e meholo ea litšebeletso tsa bohlokoa, kaho ea ho kena holimo hangata ke khetho e ratoang.

'Mele oa Karolo e le 'Ngoe

Li-valve tsa DBB tsa karolo e le 'ngoe li nyane ebile li bobebe empa hangata li ke ke tsa lokisoa inthaneteng.

Li sebelisoa hangata ho:

• tšebeletso ea litšebeletso
• mela e menyenyane ea ts'ebetso
• lits'ebetso tse theko e tlase

Bakeng sa tšebeletso ea bohlokoa ea ho itšehla thajana, basebetsi ba bangata ba ntse ba khetha meralo ea 'mele e ka hlokomeloang.

Li-valve tsa DBB tse Lulang ka Bonolo khahlanong le tse Lulang ka Tšepe

Khetho ea thepa ea setulo e ama:

• tshebetso ya ho dutla
• bokhoni ba mocheso
• ho hanyetsa ho roala
• bophelo ba tšebeletso

Li-valve tse Lulang ka Bonolo

Li-valve tse peli tse bonolo tse lutseng ka bonolo hangata li sebelisa:

• PTFE
• PTFE e matlafalitsoeng
• SHEBA

Lisebelisoa tsena li fana ka ho tima ho tiileng haholo le torque e tlase ea ts'ebetso.

Li-valve tsa DBB tse bonolo li sebelisoa haholo bakeng sa:

• tšebeletso ea peterole
• litsamaiso tsa oli
• ts'ebetso ea lik'hemik'hale
• lits'ebetso tsa haeterojene

Leha ho le jwalo, thepa e bonolo e na le meedi ya mocheso mme e ka senyeha kapele ha e sebediswa ka matla.

Li-valve tse Lulang ka Tšepe

Li-valve tsa DBB tse lutseng ka tšepe li etselitsoe:

• litsamaiso tsa mocheso o phahameng
• mecha ea phatlalatso e khopisang
• maemo a khatello e matla
• lits'ebetso tse sireletsehileng mollong

Hangata litulo le libaka tsa bolo li koahetsoe ka thata ho sebelisoa thepa e kang:

• Stellite
• Inconel
• khabide ea tungsten

Ha li bapisoa le litulo tse bonolo, litulo tsa tšepe li fana ka ho tšoarella hamolemo tlas'a maemo a thata a ts'ebetso.

Li-valve tse ngata tsa DBB tse lutseng ka tšepe le tsona li netefalitsoe ho:

• API 607
• API 6FA

bakeng sa ts'ebetso e sireletsehileng mollong.

Moo Li-valve tsa DBB li Sebelisoang Hangata

Valve ea bolo ea libolo tse peli joale e sebelisoa haholo liindastering tse 'maloa moo ho tšepahala ho leng bohlokoa.

Liphaephe tsa Oli le Khase

E sebelisoa ho:

• lihlooho tsa liliba
• liteishene tsa compressor
• litsamaiso tsa ho qalisa likolobe
• mapolasi a litanka
• li-skid tsa ts'ebetso

Basebetsi ba liphaephe ba sebelisa li-valve tsa DBB ho ntlafatsa polokeho ea tlhokomelo le ho fokotsa kotsi ea ho lutla.

Li-platform tsa Offshore le li-FPSO

Likopano tse nyane tsa DBB li thusa ho fokotsa:

• tšubuhlellano ea liphaephe
• boima ba sebopeho
• ho rarahana ha tlhokomelo

Li-valve tsa DBB tse kentsoeng ka har'a trunnion tse sireletsehileng mollong li tloaelehile lits'ebetsong tsa tlhahiso ea kantle ho naha.

Tšebeletso ea LNG le Cryogenic

Li-valve tsa DBB tse nang le cryogenic li etselitsoe mocheso o theohelang ho -196°C.

Lisebelisoa tse khethehileng le kaho e atolositsoeng ea bonete li thusa ho thibela mathata a ho koala mocheso o tlase.

Mekhoa ea Haedrojene

Limolek'hule tsa haedrojene li nyane haholo 'me li thata ho li boloka.

Li-valve tsa DBB tse nang le litsamaiso tsa ho tiisa tse nang le botsitso bo phahameng li sebelisoa haholoanyane ho:

• liteishene tsa ho tlatsa haeterojene
• litsamaiso tsa lipalangoang tsa haeterojene
• merero ea eneji e hloekileng

Limela tsa Lik'hemik'hale le tsa Petrochemical

Hangata mehaho ea lik'hemik'hale e hloka ho itšehla thajana habeli bakeng sa:

• mecha ea litaba e chefo
• maro a senyang
• mela e kotsi ea ts'ebetso

Kgokelo ya ho ntsha madi e boetse e dumella ho ntsha metsi ka hara mokoti o sireletsehileng le ho netefatsa kgatello pele ho tlhokomelo.

Lintlha tsa Bohlokoa Tse Lokelang ho Hlahlojoa Pele o Odara

Ha ba khetha valve ea DBB, baenjiniere hangata ba hlahloba liparamente tse latelang ka hloko.

Baenjiniere ba lokela ho netefatsa tlhaloso ea valve e ntšang mali. Likopanong tse ling tsa boleng bo tlaase, valve e ntšang mali e fetoha karolo e fokolang ka ho fetisisa tsamaisong.

Liphoso tse Tloaelehileng Ha U Khetha Valve ea DBB

Liphoso tse 'maloa tsa litlhaloso li hlaha khafetsa mererong ea indasteri.

Ho nka hore li-valve tsohle tsa DBB lia tšoana

Lihlahisoa tse ling tse rekisoang e le li-valve tsa DBB li sebelisa bolo e le 'ngoe feela e nang le litulo tse peli ho fapana le libolo tse peli tse ikemetseng.

Bakeng sa tšebeletso ea ho itšehla thajana ka ho teba, kamehla hlahloba setšoantšo sa karolo e tšekaletseng ea valve ka hloko.

Ho Hlokomoloha Khatello ea Mocheso oa Thermal

Ha mokelikeli o tshwarwa pakeng tsa dibolo tse pedi tse kwetsweng, katoloso ya mocheso e ka hlahisa kgatello e phahameng haholo ya mokoti.

Tšireletso e nepahetseng ea ho fokotsa masoba a ka hare ho lesoba e ea hlokahala.

Ho Khetha Moralo o Fosahetseng oa 'Mele

Litsamaisong tsa liphaephe tse welletsoeng, ho nkela valve e nang le karolo e le 'ngoe sebaka ho ka bitsa chelete e ngata ebile ho ja nako e ngata.

Ho fihlella tlhokomelo ho lokela ho nahanoa qalong ea projeke.

Ho Hlokomela Boleng ba Valve e Tšoanang le Mali

Seboka se tswang madi se lokela ho lekana le tekanyo ya kgatello le ho hanyetsa ho bola ha mmele wa valve e kgolo.

Ntlha ena ka linako tse ling e hlokomolohuoa nakong ea theko.

Mehopolo ea ho Qetela

Bakeng sa litsamaiso tsa ts'ebeliso tse nang le khatello e tlase, valve e tloaelehileng ea bolo e le 'ngoe e ka ba e lekaneng.

Empa lits'ebetsong tse kenyeletsang:

• mecha ea phatlalatso e kotsi
• khatello e phahameng
• litsamaiso tsa mose ho maoatle
• phetiso ea khase
• ho itšehla thajana tlhokomelong e tebileng

e entsoeng hantleValve ea DBBe fana ka tharollo e sireletsehileng haholo le e tšepahalang haholoanyane.

Thevalafo ea bolo ea bolo e habelie ntse e le e 'ngoe ea litlhophiso tsa DBB tse sebetsang ka ho fetisisa hobane e kopanya:

• tlhomamiso e nyane
• litsela tse fokotsehileng tsa ho dutla
• netefatso e tšepahalang ea ho itšehla thajana
• phihlello e bonolo ea tlhokomelo

Ha litlhoko tsa polokeho li ntse li eketseha ho pholletsa le liindasteri tsa oli le khase, LNG, haeterojene le lik'hemik'hale, litsamaiso tsa li-valve tsa DBB tse kopantsoeng li se li fetoha mokhoa o tloaelehileng ho fapana le ntlafatso ea boikhethelo.

Bakeng sa baenjiniere ba khethang li-valve bakeng sa tšebeletso ea bohlokoa, ho hlahloba moralo oa ka hare oa 'nete, kaho ea litulo, tekanyo ea khatello, le phihlello ea tlhokomelo hangata ho bohlokoa ho feta ho bapisa theko feela.