Tsananguro yeDBB Valve: Nei Mavharuvhu Emabhora Aviri Achishandiswa Pakuzviparadzanisa Kwakakosha

Munzvimbo dzinoshandiswa mafuta negesi, mafekitori emakemikari, nzvimbo dzeLNG, uye mapuratifomu ari kunze kwenyika, kupatsanurana hakusi kungoitwa nguva dzose. Chinhu chinodiwa pakuchengetedza. Vasati vatanga kugadzirisa pombi, compressor, mudziyo, kana chikamu chemapaipi ari pasi pemvura, vashandi vanofanirwa kuziva kuti kumanikidzwa kwabviswa zvachose uye hakugone kudzokera kunzvimbo yebasa.

Ndipo panowanikwaVharuvhu yeDBBinova yakakosha.

DBB inomiriraKuvhara kaviri uye Kubuda ropaPfungwa iyi iri nyore: zvidziviriro zviviri zvekuvhara zvine poindi yekubuda ropa pakati pazvo. Mukuita, urongwa uhwu hunopa vashandisi nzira yakavimbika yekusimbisa kuparadzaniswa vasati vatanga kugadzirisa kana kuongorora.

Pakati pemhando dzakasiyana dzeDBB,vharafu yebhora rebhora remabhora mavirirave rimwe remhinduro dzinoshandiswa zvakanyanya nekuti rinosanganisa dhizaini diki, kuvhara kwakavimbika, uye kuisa zviri nyore muchikamu chimwe chete chakabatanidzwa.

Munzira dzakawanda dzemazuva ano dzemapaipi, kunyanya kushandiswa kwemvura iri kure negungwa uye ine simba rakawanda, mavharuvhu eDBB akabatanidzwa ikozvino anonyanya kufarirwa pane kuisa mavharuvhu maviri akasiyana ebhora ane mamwe mapaipi pakati pawo.

Chii chinonzi DBB Valve?

A Vharuvhu yeDBBinopa:

• nzvimbo mbiri dzakazvimiririra dzekuzviparadzanisa
• kubatana kweropa rimwe chete kana kufema pakati pavo

Chinangwa chacho chiri nyore. Mushure mekunge zvidziviriro zvese zviri zviviri zvavharwa, nzvimbo iri pakati pazvo inogona kuburitswa nepaburi rinobuda ropa. Kana pasina kumanikidzwa kana kuti divi rinobuda, vanoishandisa vanoziva kuti zvisimbiso zvese zviri kubatwa zvakanaka.

Danho iri rekusimbisa rinokosha mumamiriro ezvinhu chaiwo ekushanda. Kunyangwe kudonhedza kudiki kuburikidza nechigaro chakasakara kunogona kukonzera njodzi huru dzekuchengetedza panguva yekugadzirisa.

Mukuisa kwekare, mashandiro eDBB aiwanzo kuwanikwa uchishandisa:

• mavharuvhu maviri akasiyana ebhora
• chikamu chespool
• imwe vharuvhu yekubuda ropa

Kurongeka ikoko kuchiripo mumiti yakawanda. Zvisinei, kunowedzera:

• kuomarara kwepombi
• kubatana kweflange
• kurema kwekuisa
• nzvimbo dzinogona kubuda mvura kunze

A vharafu yebhora rebhora remabhora maviriInobatanidza michina miviri yebhora mukati memuviri wevharuvhu imwe chete ine chiteshi chepakati cheropa. Sisitimu yese inova diki uye iri nyore kuchengetedza.

Kune mapurojekiti ekunze kwenyika uye masisitimu ekutsvedza kwemodular, kudzikira kwehuwandu hwemapaipi uye huwandu hweflange kunogona kuita mutsauko unooneka.

Mashandiro anoita Double Ball Ball Valve

Nheyo yekushanda haina kuoma.

Mukati memuviri wevharuvhu mune mabhora maviri akavharirwa akatevedzana. Pakati pawo pane gomba rakabatana nevharuvhu rinobuda ropa.

Kana bhora rekutanga ravhara, kuyerera kwemvura kunovharwa kudivi rekumusoro. Bhora rechipiri rinopa chimwe chidziviriro chakazvimirira chekuvhara mvura pasi. Kuvhura vharuvhu inobuda ropa pakati pavo kunoburitsa kumanikidzwa kwakabatwa uye kunosimbisa kana zvisimbiso zvese zviri kushanda nemazvo.

Mumamiriro ezvinhu chaiwo emiti, vashandi vanowanzo shandisa bleed port ku:

• simbisa kupatsanurwa usati wagadzirisa
• nzira dzekubvisa tsvina dzakavharirwa
• tarisa kubuda kwemvura pachigaro
• deredza kudzvinyirirwa kwemukati zvakachengeteka

Ichi ndicho chimwe chezvikonzero nei mavharuvhu eDBB achishandiswa zvakanyanya mumitsetse yekutakura ine njodzi:

• mahydrocarbon
• gasi rine kumanikidzwa kwakanyanya
• makemikari ane chepfu
• haidrojeni
• LNG

Vharuvhu yebhora imwe chete inogona kuparadzanisa kuyerera kwemvura, asi haipe mwero wakafanana wekusimbisa.

Magadzirirwo eFloating vs Trunnion Double Ball Valve

Haasi mavharuvhu ese eDBB ane bhora remabhora maviri anoshandisa chimiro chakafanana chemukati. Magadzirirwo maviri akajairika ndeebhora rinoyangarara uye bhora rakaiswa patrunnion.

Dhizaini yeBhora Rinoyangarara

Kuvaka bhora rinoyangarara kwakajairika muhukuru hudiki uye kushandiswa kwepakati nepakati.

Mukugadzira uku, kumanikidzwa kwemutsetse kunosunda bhora pachigaro chiri pasi kuti pave nesimba rekusunga. Chimiro chacho chiri nyore, izvo zvinobatsira kuderedza mari yekugadzira.

Mavharuvhu ebhora maviri anoyangarara anoshandiswa zvakanyanya mu:

• mapombi ekugadzirisa maitiro
• masisitimu emvura
• sevhisi yehydrocarbon ine kumanikidzwa kwepakati
• zvikumbiro zvekushandisa

Kune akawanda masisitimu emaindasitiri, magadzirirwo anoyangarara anoshanda zvakanaka uye ari nyore kugadzirisa.

Zvisinei, simba rekushanda rinowedzera sezvo saizi yevharuvhu uye kumanikidzwa kuchikwira. Mumasystem makuru emapaipi, izvi zvinova muganho unoshanda.

Dhizaini Yakaiswa paTrunnion

Mavharuvhu ebhora maviri akaiswa patrunnion anowanzo shandiswa mu:

• mapaipi ane dhayamita hombe
• masisitimu egasi ane kumanikidzwa kwakanyanya
• nzvimbo dzekunze kwenyika
• mamiriro ebasa akaomarara

Mukugadzirwa uku, bhora rinotsigirwa nemakanika nemabheyaringi epamusoro neapasi. Panzvimbo pekuti bhora rifambe richienda kuchigaro, chigaro chinoungana chinofamba chichienda kubhora.

Izvi zvinopa zvakawanda zvakanakira zvekushandisa:

• torque yekushanda yakaderera
• chisimbiso chakasimba kana paine kuchinja-chinja kwekumanikidzwa
• kushanda kwakagadziridzwa muhukuru hukuru
• kudzora kuri nani panguva yekushanda kwemhepo yakawanda

Kune masisitimu eClass 600, 900, 1500, kana ane kumanikidzwa kwakakwira, mavharuvhu eDBB ane trunnion anowanzo kufarirwa.

Mainjiniya emapaipi mazhinji anosarudzawo magadzirirwo etrunnion emasisitimu emagetsi nekuti saizi yeactuator inova nyore kuigadzirisa.

Sei Uchifanira Kushandisa Vharuvhu Yebhora Remabhora Maviri Panzvimbo Pemavharuvhu Maviri Akasiyana?

Zvinonzwisisika kuti mavharuvhu maviri akasiyana ebhora ane bleed connection anogona kupa mashandiro eDBB. Asi mavharuvhu eDBB akabatanidzwa anopa mabhenefiti akawanda anoshanda ayo anova akakosha mumapurojekiti chaiwo.

Nzira Dzekudonhedza Mvura Dzishoma

Kubatana kwese kweflange kunogadzira imwe nzvimbo inogona kubuda mvura kunze.

Kurongeka kwechinyakare nemavharuvhu maviri akasiyana kunowanzo da:

• mamwe maflange
• magasket ekuwedzera
• zvikamu zvespool
• kuwedzera bolting

Vharuvhu yebhora ine bhora mbiri inoderedza huwandu hwekubatana kwekunze. Pazvivako zvikuru zvine mazana emavharuvhu, izvi zvinoderedza zvakanyanya kusvibiswa kwemhepo kunogona kubuda uye basa rekugadzirisa.

Kuderedza Huremu uye Zvinodiwa zveNzvimbo

Pamapuratifomu ekunze kwenyika neFPSO, nzvimbo yacho haina kukwana uye huremu hwechivakwa hunokanganisa zvakananga mutengo wepurojekiti.

Vazhinji vemakambani eEPC ari kunze kwenyika vanoshandisa mavharuvhu eDBB akabatanidzwa kunyanya nekuti anorerutsa marongero emapombi uye anoderedza huremu hwese hwekuisa.

Zvichienzaniswa nemavharuvhu akasiyana, mavharuvhu eDBB akabatana anowanzo da:

• simbi shoma inotsigira
• kureba kwekuisa kupfupi
• basa shoma rekudzivirira kupisa
• kusundira kwepombi kushoma

Kune masisitimu epasi pegungwa uye ma modular process skids, dhizaini diki inowanzova mukana mukuru.

Kusimbiswa kweKuzviparadzanisa Kuri Nyore

Chimwe chezvakanakira zvikuru zvekushanda kugona kukurumidza kusimbisa kuvimbika kwechisimbiso.

Mushure mekuvhara mabhora ese ari maviri, vashandisi vanongovhura vharuvhu rinobuda ropa. Kana pasina kumanikidzwa kwaburitswa, zvidziviriro zvese zvekuvhara zvinenge zvichishanda nemazvo.

Maitiro aya anokurumidza uye ari nyore kupfuura kuyedza kudzvanywa kwemavharuvhu maviri akasiyana rimwe nerimwe.

Mumamiriro ezvinhu ekuvharwa kwemotokari uko vashandi vekugadzirisa vanoda kusimbiswa nekukurumidza kwekuparadzaniswa, izvi zvinobatsira zvikuru.

Magadzirirwo emuviri wezvikamu zvitatu vs. Pamusoro-pekutanga vs. Chikamu chimwe chete

Kuvaka muviri kunokanganisa mukana wekugadzirisa zvinhu pamwe nemutengo wekushanda kwenguva refu.

Muviri Wezvikamu Zvitatu

Mavharuvhu eDBB ane zvidimbu zvitatu anoshandisa mavharuvhu ekupedzisira ane mabhaudhi akabatana nemuviri wepakati.

Dhizaini iyi inobvumira mainjiniya kubvisa zvinhu zvemukati pasina kucheka vharuvhu kubva papombi. Munzvimbo dzinocheneswa zvinhu nedzemakemikari, izvi zvinogona kuderedza nguva yekushanda kwekugadzirisa zvinhu zvakanyanya.

Kugadzirwa kwezvigaro zvitatu kwakajairika kana paine chinotarisirwa kutsiviwa kwezvigaro nguva nenguva.

Dhizaini Yepamusoro-soro

Mavharuvhu eDBB epamusoro anobvumira zvikamu zvese zvemukati kuti zvisvike kubva pamusoro pemuviri wevharuvhu.

Dhizaini iyi inoshandiswa zvakanyanya mu:

• masisitimu epasi pegungwa
• mapaipi ekutumira
• mapuratifomu ekunze
• masisitimu emapaipi akasungirirwa

Muviri wevharuvhu unoramba wakabatana nepaipi panguva yekugadzirisa, izvo zvinobatsira kuderedza nguva yekudzima.

Kune mitsetse mikuru yekushandira ine dhayamita yakakura, kuvaka kwepamusoro-soro kazhinji ndiyo sarudzo inofarirwa.

Muviri Wechikamu Chimwe Chete

Mavharuvhu eDBB ane chidimbu chimwe chete madiki uye akareruka asi kazhinji haagone kugadziriswa ari mumutsara.

Zvinowanzoshandiswa mu:

• sevhisi yemagetsi
• mitsetse midiki yemaitiro
• mafomu ekushandisa anodhura zvishoma

Kune vanoisa zvinhu zvakasiyana-siyana, vazhinji vanoisa zvinhu izvi vachiri kuda magadzirirwo emuviri anotarisirwa.

Mavharuvhu eDBB Akapfava vs Akagarwa neSimbi

Kusarudzwa kwezvigaro kunokanganisa:

• mashandiro ekubuda kwemvura
• kugona tembiricha
• kuramba kupfeka
• hupenyu hwebasa

Mavharuvhu Akapfava

Mavharuvhu ebhora maviri ane zvigaro zvakapfava anowanzo shandiswa:

• PTFE
• PTFE yakasimbiswa
• TARISA

Zvinhu izvi zvinopa kudzima kwakasimba uye torque shoma yekushanda.

Mavharuvhu eDBB akapfava anoshandiswa zvakanyanya kune:

• sevhisi yepeturu
• masisitimu emafuta
• kugadziriswa kwemakemikari
• kushandiswa kwehydrogen

Zvisinei, zvinhu zvakapfava zvine mwero wekupisa uye zvinogona kupera nekukurumidza kana zvichishandiswa zvinokwesha.

Mavharuvhu Akagarwa Nesimbi

Mavharuvhu eDBB ane simbi akagadzirirwa:

• masisitimu ekupisa kwakanyanya
• midhiya inokwesha
• mamiriro ekumanikidzwa kwakanyanya
• mafomu ekudzivirira moto

Nzvimbo dzezvigaro nedzebhora dzinowanzo putirwa zvakasimba uchishandisa zvinhu zvakaita se:

• Stellite
• Inconel
• kabhidhi yetungsten

Zvichienzaniswa nezvigaro zvakapfava, zvigaro zvesimbi zvinogara kwenguva refu kana zvichishandiswa zvakaoma.

Mavharuvhu mazhinji eDBB ane simbi anewo chitupa chekuti:

• API 607
• API 6FA

kuti zvisatsvedzere moto.

Mavharuvhu eDBB Anowanzo shandiswa

Vharuvhu yebhora ine bhora mbiri ikozvino inoshandiswa zvakanyanya mumaindasitiri akati wandei uko kuvimbika kwekuparadzanisa kwakakosha.

Mapaipi eOiri neGasi

Inoshandiswa mu:

• misoro yetsime
• zviteshi zvecompressor
• masisitimu ekuvhura nguruve
• mapurazi ematangi
• ma skid ekugadzirisa

Vashandi vemapaipi vanoshandisa mavharuvhu eDBB kuvandudza kuchengetedzeka kwekuchengetedza uye kuderedza njodzi yekubuda kwemvura.

Mapuratifomu eOffshore neFPSOs

Masangano eDBB akabatana anobatsira kuderedza:

• kuzara kwepombi
• huremu hwechimiro
• kuoma kwekugadzirisa

Mavharuvhu eDBB anoiswa pamatanda asingatsvi anowanikwa mumasisitimu ekugadzira zvinhu ari kunze kwenyika.

LNG uye Cryogenic Service

Mavharuvhu eDBB anogadzirwa neCryogenic akagadzirirwa tembiricha inosvika -196°C.

Zvinhu zvakakosha uye kuvakwa kwebhoneti refu zvinobatsira kudzivirira matambudziko ekuvharwa kwechinhu chinopisa zvakanyanya.

Masisitimu eHydrogen

Mamorekuru ehydrogen madiki zvikuru uye akaoma kuchengeta.

Mavharuvhu eDBB ane masisitimu ekuvhara akasimba ari kushandiswa zvakanyanya mu:

• nzvimbo dzekuisa mafuta ehydrogen
• masisitimu ekufambisa hydrogen
• mapurojekiti esimba rakachena

Zvirimwa zveMakemikari nePetrokemikari

Zvivako zvemakemikari zvinowanzoda kupatsanurwa kaviri kwe:

• nhau dzine chepfu
• mvura inoparadza
• nzira dzine njodzi

Kubatana kweropa kunobvumirawo kuti mvura ibude zvakanaka mugomba uye kusimbiswa kwekumanikidzwa kweropa usati wagadzirisa.

Magadzirirwo Akakosha Ekuongorora Usati Waraira

Pakusarudza vharuvhu yeDBB, mainjiniya vanowanzo ongorora zvinotevera nokungwarira.

Mainjiniya vanofanirawo kuongorora zvinodiwa nevharuvhu rinobuda ropa. Mune mamwe maassemblies asina kunaka, vharuvhu rinobuda ropa rinova chinhu chisina kusimba muhurongwa.

Zvikanganiso Zvakajairika Pakusarudza DBB Valve

Zvikanganiso zvakawanda zvemagadzirirwo ebasa zvinoonekwa kakawanda mumapurojekiti emaindasitiri.

Kufunga kuti mavharuvhu ese eDBB akafanana

Zvimwe zvigadzirwa zvinotengeswa semavharuvhu eDBB zvinoshandisa bhora rimwe chete rine zvigaro zviviri pane mabhora maviri akazvimiririra.

Kuti uwane basa rekuparadzanisa vanhu zvakanyanya, gara uchiongorora mufananidzo wevharuvhu zvakanyatsonaka.

Kuregeredza Kumanikidzwa Kwemugodhi Wekupisa

Kana mvura ikabatwa pakati pemabhora maviri akavharwa, kuwedzera kwekupisa kunogona kukonzera kumanikidzwa kwakanyanya mugomba.

Kudzivirira kwakakodzera kwekubvisa gomba kwakakosha.

Kusarudza Muviri Usina Kurongeka

Mumasystem emapaipi akasungirirwa, kutsiva vharuvhu ine chidimbu chimwe chete kunogona kudhura uye kutora nguva.

Kukwanisa kugadziriswa kwenzvimbo kunofanirwa kufungwa nezvazvo pakutanga kwechirongwa.

Kutarisa Hunhu hweVharuvhu Inobuda Mvura

Kuunganidzwa kweropa kunofanirwa kuenderana nechiyero chekumanikidzwa uye kuramba ngura kwemuviri wevharuvhu huru.

Izvi dzimwe nguva hazvinyatsoonekwi panguva yekutenga.

Pfungwa Dzekupedzisira

Kune masisitimu emagetsi asinganyanyi kumanikidzwa, vharuvhu yebhora rimwe chete inogona kukwana.

Asi muzvikumbiro zvinosanganisira:

• nhau dzine njodzi
• kumanikidzwa kwakanyanya
• masisitimu ekunze kwenyika
• kutapurirana kwegasi
• kuparadzaniswa kwekuchengetedza kwakakosha

yakagadzirwa zvakanakaVharuvhu yeDBBinopa mhinduro yakachengeteka uye yakavimbika.

Iyovharafu yebhora rebhora remabhora maviriinoramba iri imwe yemaitiro anonyanya kushanda eDBB nekuti inosanganisa:

• kuisirwa kudiki
• nzira dzakaderedzwa dzekudonhedza mvura
• kusimbiswa kwekuzviparadzanisa kwakavimbika
• nyore kugadzirisa

Sezvo zvinodiwa zvekuchengetedza zvichiramba zvichiwedzera muindasitiri yemafuta negesi, LNG, hydrogen, uye makemikari, masisitimu emavharuvhu eDBB akabatanidzwa ari kuva tsika yakajairika pane kusimudzira zvimwe zvinhu.

Kune mainjiniya vanosarudza mavharuvhu ebasa rakakosha, kuongorora dhizaini chaiyo yemukati, kuvakwa kwezvigaro, chiyero chekumanikidzwa, uye kugona kugadzirisa zvinowanzova zvakakosha pane kuenzanisa mutengo chete.