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Manual na Aiki da Kulawa na Ƙofar Bawul

1. Gabaɗaya

An tsara irin wannan nau'in bawul don zama buɗewa da rufewa don kiyaye aikin da ya dace da ake amfani da shi a cikin tsarin bututun masana'antu.

2. Bayanin samfur

2.1 Bukatun fasaha

2.1.1 Ƙirar Ƙira da Ƙira: API 600, API 602

2.1.2 Matsakaicin Girman Haɗin Haɗin: ASME B16.5 da dai sauransu

2.1.3 Matsayin Girman Fuskar Fuska: ASME B16.10

2.1.4 Dubawa da Gwaji: API 598 da dai sauransu

2.1.5 Girma: DN10 ~ 1200, Matsi: 1.0 ~ 42MPa

2.2 Wannan bawul ɗin sanye take da haɗin flange, haɗin haɗin BW mai sarrafa bawul ɗin ƙofar simintin. Tushen yana motsawa a tsaye. Faifan ƙofa yana rufe bututun yayin kewayawar dabaran hannu agogon hannu. Faifan ƙofa yana buɗe bututun yayin da'irar dabaran hannu.

2.3 Da fatan za a duba tsarin zane mai zuwa

2.4 Manyan abubuwan da aka gyara da kayan aiki

SUNAN KYAUTATA
Jiki / Bonnet WCB, LCB, WC6, WC9, CF3, CF3M CF8, CF8M
kofa WCB, LCB, WC6, WC9, CF3, CF3M CF8, CF8M
Zama A105, LF2, F11, F22, F304 (304L), F316 (316L)
Kara F304 (304L), F316 (316L), 2Cr13, 1Cr13
Shiryawa Grafite mai launi & graphite mai sassauƙa & PTFE da sauransu
Bolt/Nut 35/25, 35CrMoA/45
Gasket 304 (316) + Graphite / 304 (316) + Gasket
ZamaRing/ Disc/Shafi

13Cr,18Cr-8Ni,18Cr-8Ni-Mo,PP,PTFE,STL da dai sauransu

 

3. Adana & Kulawa & Shigarwa & Aiki

3.1 Adana & Kulawa

3.1.1 Ya kamata a adana bawuloli a cikin yanayin gida. Ya kamata a rufe ƙarshen rami ta hanyar toshe.

3.1.2 Na lokaci-lokaci dubawa da kuma yarda ake bukata na dogon lokaci adana bawuloli, musamman ga sealing surface tsaftacewa. Ba a yarda da lalacewa ba. Ana buƙatar suturar mai don guje wa tsatsa don aikin mashin ɗin.

3.1.3 Game da ajiyar bawul fiye da watanni 18, ana buƙatar gwaje-gwaje kafin shigarwa na valve da rikodin sakamakon.

3.1.4 Ya kamata a bincika da kuma kiyaye Valves lokaci-lokaci bayan shigarwa. Manyan batutuwa sune kamar haka:

1) Rufe saman

2) Tushen goro

3) Shiryawa

4) Ciki surface tsaftacewa na Jiki da Bonnet.

3.2 Shigarwa

3.2.1 Sake duba alamun bawul (Nau'i, DN, Rating, Material) wanda ya dace da alamun da tsarin bututun bututun ya buƙata.

3.2.2 Ana buƙatar cikakken tsaftacewa na rami da rufewa kafin shigarwa bawul.

3.2.3 Tabbatar cewa kusoshi suna da ƙarfi kafin shigarwa.

3.2.4 Tabbatar da marufi yana da ƙarfi kafin shigarwa. Koyaya, bai kamata ya dagula motsin kara ba.

3.2.5 Wurin Valve ya kamata ya dace don dubawa da aiki. An fi son a kwance zuwa bututun mai. Tsaya dabaran hannu sama da kara a tsaye.

3.2.6 Don bawul ɗin kashewa, bai dace da shigar da shi cikin yanayin aiki mai ƙarfi ba. Kamata ya yi a nisantar da kara don lalacewa.

3.2.7 Don Socket waldi bawul, ana buƙatar kulawa yayin haɗin bawul kamar haka:

1) Welder ya kamata a ba da shaida.

2) Welding tsari siga dole ne a cikin conformance zuwa dangi waldi ingancin takardar shaidar.

3) Kayan filler na layin walda, sinadarai da aikin injiniya tare da rigakafin lalata yakamata suyi kama da kayan iyaye na jiki.

3.2.8 Shigarwa na Valve ya kamata ya guje wa babban matsin lamba daga haɗe-haɗe ko bututu.

3.2.9 Bayan shigarwa, bawuloli ya kamata a buɗe yayin gwajin matsa lamba na bututu.

3.2.10 Support Point: idan bututu yana da ƙarfi don tallafawa nauyin bawul da karfin aiki, ba a buƙatar maɓallin tallafi ba. In ba haka ba ana bukata.

3.2.11 Dagawa: Hannun dabaran dagawa ba a yarda ga bawuloli.

3.3 Aiki da Amfani

3.3.1 Ya kamata a buɗe bawuloli na Ƙofar gabaɗaya ko rufe yayin amfani don gujewa zoben rufe wurin zama da saman diski wanda matsakaicin saurin gudu ya haifar. Ba za a iya tuhume su don daidaita kwararar ruwa ba.

3.3.2 Ya kamata a yi amfani da dabaran hannu don maye gurbin wasu kayan aiki don buɗewa ko rufe bawuloli

3.3.3 Yayin zafin sabis ɗin da aka ba da izini, matsa lamba nan take yakamata ya zama ƙasa da matsi mai ƙima bisa ga ASME B16.34

3.3.4 Ba a yarda da lalacewa ko yajin aiki yayin jigilar bawul, shigarwa da aiki.

3.3.5 Ana buƙatar auna kayan aiki don bincika kwararar da ba ta da ƙarfi don sarrafawa da kawar da ɓarnar ɓarna don guje wa lalacewar bawul da zubewa.

3.3.6 Cold condensation zai tasiri aikin bawul, kuma ya kamata a yi amfani da kayan aikin auna don rage yawan zafin jiki ko maye gurbin bawul.

3.3.7 Don ruwa mai kumburi da kai, yi amfani da na'urorin auna da suka dace don tabbatar da yanayi da matsa lamba na aiki ba su wuce wurin kunna wuta ba (musamman lura da hasken rana ko wuta ta waje).

3.3.8 Idan akwai ruwa mai haɗari, irin su fashewa, mai ƙonewa, mai guba, samfuran oxidation, an haramta maye gurbin tattarawa a ƙarƙashin matsin lamba. Ko ta yaya, a cikin yanayin gaggawa, ba a bada shawarar maye gurbin shiryawa a ƙarƙashin matsin lamba (ko da yake bawul yana da irin wannan aikin).

3.3.9 Tabbatar cewa ruwan ba shi da datti, wanda ke shafar aikin bawul, ba tare da hada da daskararru ba, in ba haka ba ya kamata a yi amfani da kayan aunawa masu dacewa don cire datti da daskararru, ko maye gurbin shi da wani nau'in bawul.

3.3.10 Canjin zafin aiki

Kayan abu Zazzabi

Kayan abu

Zazzabi
WCB -29 ~ 425 ℃

WC6

-29 ~ 538 ℃
LCB -46 ~ 343 ℃ WC9 -29 ℃ 570
CF3 (CF3M) -196 ~ 454 ℃ CF8 (CF8M) -196 ~ 454 ℃


3.3.11 Tabbatar cewa kayan jikin bawul ɗin ya dace da amfani a cikin juriyar lalata da tsatsa yana hana yanayin ruwa.

3.3.12 Yayin lokacin sabis, bincika aikin hatimi kamar yadda yake a teburin da ke ƙasa:

Wurin dubawa Leka
Haɗin kai tsakanin jikin bawul da bawul bonnet

Sifili

Hatimin shiryawa Sifili
Wurin zama na jikin bawul Kamar yadda ƙayyadaddun fasaha

3.3.13 Bincika akai-akai don lalacewa na kudin wurin zama, tattara tsufa da lalacewa.

3.3.14 Bayan gyarawa, sake haɗawa da daidaita bawul ɗin, sannan gwada ƙarfin aiki da yin rikodin.

4. Matsaloli masu yiwuwa, haddasawa da matakan gyara

Bayanin matsala

Dalili mai yiwuwa

Matakan gyara

Leak a shiryawa

Rashin isasshe marufi

Sake matse goro

Rashin isassun kayan tattarawa

Ƙara ƙarin shiryawa

Lalacewar tattarawa saboda dogon sabis ko kariya mara kyau

Sauya tattara kaya

Zubo a fuskar wurin zama

Fuskar zama datti

Cire datti

Fuskar wurin zama

Gyara shi ko maye gurbin zoben wurin zama ko farantin bawul

Fuskar wurin zama ta lalace saboda daskararru

Cire daskararru a cikin ruwan, maye gurbin zoben wurin zama ko farantin bawul, ko maye gurbin da wani nau'in bawul

Leak a haɗi tsakanin bawul jiki da bawul bonnet

Ba a ɗaure su da kyau ba

Daidaita ɗaure kusoshi

Fuskar rufewar bonnet da aka lalace na jikin bawul da flange bawul

Gyara shi

Gaskset ya lalace ko karye

Sauya gasket

Ba za a iya buɗewa ko rufewa da wuyan jujjuyawar dabaran hannu ko farantin bawul.

An ɗaure dauri sosai

Daidai kwance marufi na goro

Nakasawa ko lankwasa gland

Daidaita sealing gland

Lalacewar kwaya mai tushe bawul

Daidaitaccen zaren kuma cire datti

Sawa ko karya bawul mai tushe na goro

Sauya bawul mai tushe na goro

Lankwasa bawul mai tushe

Sauya tushen bawul

Datti jagora saman farantin valve ko jikin bawul

Cire datti a saman jagora


Lura: Ya kamata ma'aikacin sabis ya sami ilimin da ya dace da gogewa tare da bawuloli bawul ɗin rufe ƙofar ruwa

Shirye-shiryen bonnet shine tsarin rufewar ruwa, za a rabu da shi daga iska yayin da matsa lamba na ruwa ya kai 0.6 ~ 1.0MP don tabbatar da kyakkyawan aikin rufewar iska.

5. Garanti:

Bayan an yi amfani da bawul ɗin, lokacin garanti na bawul ɗin shine watanni 12, amma baya wuce watanni 18 bayan ranar bayarwa. A lokacin garanti, masana'anta za su ba da sabis na gyara ko kayan gyara kyauta don lalacewa saboda kayan aiki, aiki ko lalacewa muddin aikin ya yi daidai.


Lokacin aikawa: Nov-10-2020