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Sidee u shaqeeyaa Multiple Activation Bypass Valve (MCBV)?

Sidee u shaqeeyaa Multiple Activation Bypass Valve (MCBV)?

Xaaladda wareegga wareegga lumay inta lagu jiro qodista, isticmaalka firfircoonida badan ee waalka dhaafka waxay gaari kartaa feejignaan badan oo badan, walxaha ku xirma walxaha waaweyn iyo tuujinta xirmada sibidhka iyada oo aan laga soo bixin BHA.

Furitaanka valve bypass: ka hor inta aan la xidhin qalliinka, marka hore ka soo bixi BHA ilaa qaybta ceelka nabdoon oo ku rid kubbad firfircoon. Marka kubbadda firfircooni ay ku taal kursiga kubbadda, bamka hooseeya ayaa si tartiib ah u hayn doona cadaadiska. Marka kala duwanaanshaha cadaadiska uu gaaro 0.7-1.5mpa, cadaadiska haynta cadaadiska ayaa ka weyn xoogga guga si gacan-ku-dabacdu hoos ugu dhaco. Marka sleecida simbiriiridu hoos ugu dhaadhacdo booska xadka hoose, godka la dhaafo ee gacanta simbiriirixan ayaa la siman godka bypass ee sub sare, iyo waalka bypass waa la furay. Kordhi barokaca dhismaha, bamgareeya slurry-ga xidhidhiyaha, iyo slurry-ga xidhidhku waxa uu galaa lakabka daadinta daloolka wareegtada si toos loogu xidho. Marka bamka la joojiyo, sleecida simbiriiridu waxay dib u dejin doontaa xoogga guga, iyo waalka dhaafka ayaa si toos ah u xirmi doona, si loo yareeyo suurtagalnimada saameynta tuubada U-qaababka ama dhibaatooyinka xakamaynta ceelka. Marka daloolka marada loo baahan yahay in dib loo furo, bamka si tartiib ah ayaa loo shaqayn karaa.

Xiritaanka valve by-pass: ka dib marka la dhammeeyo dhismaha xiridda, marka ay lagama maarmaan tahay in dib loo bilaabo qodista, ku rid laba kubbadood oo xiran. Marka kubbadda xiran ay gaarto godka baaska, waxay bilaabataa inay cadaadis qabato oo si tartiib ah u kordhiso cadaadiska. Marka kala duwanaanshaha cadaadiska uu gaaro cadaadiska xiirid ee loogu talagalay kubbadda firfircoonida (cadaadiska naqshadeynta waa 10 MPa), kubbadda firfircooni waa la xiiray oo dhex martaa kursiga kubbadda, kubbadda firfircoonida iyo kubbadda xiran waxay dhammaan ku dhacaan dambiisha kubbadda. Gacna simbiriiridu kor ayey u socotaa iyada oo hoos imanaysa ficilka xoogga guga, godka la dhaafi karo ee gacan-ku-dabaashaadka ayaa lagu rogmanayaa daloolka dhaafka ee wadajirka sare, waalka dhaafka waa la xiray waxaana dib loo bilaabay qodista.

Hawlgalka ceelka jiifka ah, ceel jihada ah iyo si fiican u leexsan, isticmaalka Multiple activation bypass valve, kaas oo ogaan kara barokac weyn oo si fiican u qulqulaya iyo goynta dhagaxyada sariiraha, taas oo aan kaliya hagaajinaynin waxtarka qulqulka, laakiin sidoo kale waxay ilaalisaa qalabka iyo qalabka hoos u dhaca. , Haddii loo baahdo, fur godka la dhaafo si aad u nadiifiso gidaarka gudaha ee daaska ama kooxda BOP.

Marka nidaamka la dhaafo loo baahan yahay in la xiro, ku rid laba kubbadood oo xiran, tuujin kubbadda qufulka adigoo cadaadis saaraya (cadaadiska naqshadeynta kubbadda qufulka waa 7MPa), oo sii wad cadaadiska si aad u xirto nidaamka hareeraha.

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Waqtiga boostada: Jan-21-2024