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
Zane 1
Zane 2
Zane 3
Zane 4
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,Farashin LF2,F11,F22,F304(304l）,F316(316l) |
| Kara | F304(304l）,F316(316l）,2Cr13,1 Cr13 |
| Shiryawa | Grafite mai launi & graphite mai sassauƙa & PTFE da sauransu |
| Bolt/Nut | 35/25,35CrMoA/45 |
| Gasket | 304(316)+ Graphite / 304(316)+ Gasket |
| Zama Ring/ Disc /Shafi | 13 Cr,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) Ciwon kai da 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 Zazzage 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 | Yadda ya kamata a sassauta tattara 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 |
|
| Lanƙwasa 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 abu, aiki ko lalacewa muddin aikin ya yi daidai.
Lokacin aikawa: Mayu-19-2022