Yadda Ake Samun Haɗin Bututu Da Rufewa Mafi Amintacce

Yawancin jinkirin ƙaddamarwa baya zuwa daga bututu kai tsaye. Sun fito ne daga mahaɗai masu wahala{2} sama, maimaita gyare-gyaren walda, ƙwanƙwasawa{3}}rami, leaks na hydrotest, da takaddun karɓa waɗanda ba sa yin layi. Amintaccen haɗin bututu da sakamakon rufewa ya dogara da tushe guda biyu: juzu'i na haɗin gwiwa mai sarrafawa da nauyin rufewa mai maimaitawa.

1. Haɗin walda{1} menene ainihin ke haifar da kwanciyar hankali?

Tsayayyen haɗin gwiwa mai waldawa ya fito ne daga daidaito tsakanin shirye-shiryen ƙarshe, dacewa{0} sama, aiwatar da walda, da dubawa. A cikin filin, bambance-bambancen lissafi da zafi -sabanin shigarwa sune abin da ake haɓakawa.

• Ƙarshen daidaiton shiri

Idan kusurwar bevel, ƙasa, ko ƙare - ingancin fuskar ya bambanta, tushen buɗewar tushen yana kunkuntar taga walda. Alamar gama gari ita ce rashin daidaiton ƙimar wucewa a kan layi ɗaya.

• Daidaita{0} sama da sarrafa jeri

Tushen buɗewa, rashin daidaituwa na ciki, da ovality/concentricity kai tsaye suna shafar tushen tushen da sakamakon NDE. Ƙananan{1}}bango, ƙananan OD, da gajerun majalisai{2} sun fi kulawa.

• Zafi{0}}Tagar shigar da ta dace da kaya da kauri

Ƙananan ƙananan yana ƙaruwa rashin haɗuwa / haɗarin shiga; yayi girma yana ƙara murdiya kuma yana iya shafar yanayin fuska.{0}

• Dubawa da samun damar gyarawa

Idan haɗin gwiwa yana cunkushe kusa da goyan baya, bango, bawuloli, ko kayan aiki, NDE da samun damar gyara sau da yawa ya zama ainihin direban haɗarin jadawalin.

Lokacin da aka ɗaure haɗin walda zuwa flange, murɗaɗɗen walda na iya canza batun daga matsalar walda{0}}matsalar ingancin walda zuwa matsalar rufewa{1}}yalowar wurin da ba ta dace ba saboda matsawar gasket.

2. Socket/fillet waldi{1}me yasa dokokin taro ke da mahimmanci fiye da bayyanar

Socket{0}Salon haɗin gwiwa sau da yawa yana da kyau a gani, amma kwanciyar hankali ya dogara sosai akan aikin haɗuwa mai maimaitawa.

• Matsakaicin zurfin shigarwa da tazarar kafada
• Maimaita fillet weld geometry, musamman a wuraren samun dama
• Mafi girman hankali ga gajiya ƙarƙashin keke da sabis na girgiza
• Crevice{0}}tsaftar yanki da halayen lalata sun dace da yanayin sabis

3. Haɗin zaren{1} dogara shine horon taro

Haɗin da aka zare suna da ƙarfi kawai kamar ma'aunin taro a bayansu.

• Daidaitaccen tsari na zaren da isasshiyar haɗin gwiwa
• Ikon lalacewa a saman zaren
• Daidaitaccen nau'in sealant da hanyar aikace-aikace
• Ƙayyadaddun ƙarfafawa da sake{0}} duba aiki
• Share maƙiyi - sassauta dabaru a ƙarƙashin girgizawa da hawan keken zafi

Haɗin flange suna fassara ingancin taro kai tsaye zuwa sakamakon rufewa. Tsayayyen hatimi yana buƙatar abubuwa uku don sarrafa su tare: yanayin fuskar flange, taga mai aiki da gasket, da preload mai maimaitawa.

1. Yanayin fuskar fuska

• Lalaci/waviness yana tafiyar da daidaituwar matsi
• Ƙarshen saman yana shafar cizon gasket da farfadowa
• Nicks, hakora, da lalata sun zama hanyoyin zube
• Karɓar walda na iya haifar da wuce gona da iri na gida{0}}

Alamar fili ta al'ada ita ce yabo ta tattara a gefe ɗaya ko a kusa da ƴan ƙullun, ba ma daɗaɗɗen kewayawa.

2. Gasket aiki taga

• Ƙarƙashin{0}matsi yana haifar da yaɗuwar wuri
• Sama da{0}Matsi yana murƙushe gas ɗin kuma yana rage murmurewa, galibi yana ta'azzara bayan zazzagewar zafi
• Zazzabi da kafofin watsa labarai suna haɓaka rarrafe / shakatawa, rage tasirin gasket mai tasiri akan lokaci

Haɓakawa ga gasket kaɗai yana da ƙima mai iyaka idan yanayin fuska ko daidaitaccen ɗaukar nauyi shine ainihin takura.

3. Bolt preload daidaito

• Daban-daban tightening jerin haifar da m gasket danniya
• Ƙarfafawa sama da{0} na iya karkatar da fuska da rage kwanciyar hankali
• Lubrication da bambance-bambancen juzu'i suna sa jujjuyawa{0}}zuwa{1}}waɗanda ba su dace ba
• Hawan zafi da rawar jiki suna rage ɗaukar nauyi, galibi suna haifar da zubewar rayuwa da wuri{0}

Mataki 1: Duba fuskar flange da farko

• Lalacewar da ake iya gani: laƙabi, karce, haƙora, tabo masu lalata
• Alamun rashin daidaituwa ko murdiya, musamman bayan walda
• Zazzage tsarin wurin da ya dace da al'amuran fuskar gida

Mataki 2: Tabbatar da dacewa da gasket da halayen matsawa

• Ya dace da tsarin watsa labarai/zazzabi/tsaftacewa
• Ba daidai ba tambari, murkushe wuri, ko nakasar da ba ta dace ba
• "Ƙara ƙara ƙarfi amma har yanzu yana yoyo" alamu waɗanda ke nuna rashin daidaituwa ko ɗaukar nauyi

Mataki na 3: Tabbatar da maimaitawa na farko

• Matsakaicin madaidaicin jeri da matakin ƙarawa
• Daidaitaccen lubrication da yanayin gogayya
• Fadakarwa game da haɗarin hasarar da aka riga aka yi lodi a ƙarƙashin hawan keken zafi da girgiza

• Ƙarshen shirye-shiryen baya daidaitawa da tsarin walda → ɗigon lissafi → haɓaka gyare-gyare
• Fit{0}}sama/daidaitacce ba a sarrafa shi → rashin daidaituwa na ciki da tushe mara tushe → gazawar NDE
• Matsakaicin juriyar juzu'i - sama → ƙulli{1}}rami kuskure → tilastawa damuwa shigarwa
• Hargitsin walda yana shafar fuskokin flange → rashin daidaituwa ga damuwa ga gasket → leaks hydrotest na gida
• Ƙaddamar da aiki ya bambanta da ma'aikatan jirgin → preload warwatsawa → da wuri{0}}yayin rayuwa

Halin sarkar gama gari ana tilastawa daidaita ramuka sama → matsawar gasket marasa daidaituwa → yayyafawa yayin gwaji → ƙarin ƙarawa → murguda fuska → malala mai maimaitawa.

Don haɗin bututu da karɓar hatimi, masu dubawa yawanci suna neman abubuwan da ake iya ganowa, aunawa, da tabbatarwa:

• Abun ganowa: gano zafi/tsari da takaddun shaida
• Interface{0}mahimman lissafi na lissafi: yanayin ƙarewa, daidaitawa, flange{1} yanayin fuska, ƙulli{2}}daidaicin rami
• Binciken da ake buƙata da bayanan gwajin kowane aikin
• Fakitin takaddun taswira akai-akai zuwa lissafin dubawa

A cikin isar da aikin Octal Pipe, galibi ana shirya abubuwan haɗin gwiwa da takaddun akan jerin mu'amala guda ɗaya don haka dabarun haɗin gwiwa, tsarin rufewa, da bayanan karɓa suna daidaitawa da sauƙin dubawa.

Takaddun shaida

 

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