Womic Steel yana bayar da farashi mai inganci da gasa na bawul ɗin ƙwallon cryogenic, bawul ɗin ƙwallon ƙwallo mai ƙarancin zafin jiki -196℃, bawul ɗin ƙwallon LNG, bawul ɗin ƙwallon cryogenic mai aminci ga wuta. Takaddun shaida na injin niƙa EN 10204 3.1/3.2, gwajin ruwa, gwajin aikin cryogenic, maganin cryogenic mai zurfi, ƙirar fitar da hayaki mai sauƙi, ƙirar hana gobara, ƙirar hana tsayawa, tushen hana busawa, bututun da aka faɗaɗa tare da farantin digo. Samar da kai tsaye ga masana'antu don ayyukan masana'antu na LNG da cryogenic a duk duniya.
1. Ƙarfe Mai Ƙarfi: Ƙarfin Masana'antu da Ƙarfin Kamfani
Womic Steel Group babbar masana'anta ce kuma mai samar da bawuloli masu amfani da sinadarai masu amfani da sinadarai a duniya, wacce ta shafe sama da shekaru 20 tana da ƙwarewa wajen samar da bawuloli masu aiki sosai don ayyukan rage zafin jiki mai tsanani. Cibiyarmu ta zamani ta haɗa da iyawar ƙirƙira, kera, haɗawa, da gwaji:
l Layin Samar da Bawul Mai Tsami:Layin kera bawul ɗin cryogenic mai ƙera cibiyoyin injinan CNC, lathes na tsaye, da kayan aikin gwaji na cryogenic na musamman waɗanda ke iya gwada bawul ɗin zuwa -196°C ta amfani da ruwa nitrogen. Ƙarfin samarwa na shekara-shekara ya wuce bawul ɗin ƙwallo na cryogenic 20,000.
l Cibiyar Kula da Ciwon Zuciya Mai Zurfi:Tanderu mai maganin cryogenic a cikin gida (-196°C) don rage damuwa ga duk sassan da ke ɗauke da matsi, tabbatar da daidaiton girma da hana karkacewa a yanayin zafi. Ana jiƙa sassan na tsawon akalla awanni 8 bisa ga buƙatun BS 6364.
An tsara dukkan bawuloli na ƙwallon cryogenic tare da:
l Fadada bonnet tare da farantin drip don kula da marufi na tushe a yanayin zafi mai aiki
l Na'urar hana grounding ta atomatik bisa ga API 608 da BS 5351
l Tsarin tushe mai hujja l
l Tsarin kariya daga wuta ga API 607 / ISO 10497
l Haɗuwa da kayan tattarawa masu ƙarancin hayaki masu gudu ISO 15848-1 (Aji A ko B)
l Biyu block da jini iyawa (zaɓi)
l Rage matsin lamba a cikin rami (bawuloli masu hawa da aka saka a cikin trunnion)
Takaddun Shaida na Inganci & Bin Dokoki:
l ISO 9001: 2015 An Tabbatar
l PED 2014/68/EU (CE Mark) don kayan aiki masu matsin lamba
l Lasisin API 6D / API 608 Monogram
l API 607 / API 6FA Takaddun shaida mai kariya daga wuta
l Takaddun Shaidar Rashin Fita na ISO 15848-1
l EN 10204 3.2 Takaddun shaida tare da tabbatarwa ta ɓangare na uku (TÜV, BV, SGS, LR)
l Binciken Wasu (TPI) wanda SGS, BV, ABS, DNV, TÜV, da Lloyd's Register suka amince da shi
l Tsarin NACE MR0175 / ISO 15156 don aikace-aikacen cryogenic na sabis mai tsami
Ana samun takardar shaidar ATEX idan aka buƙata don yanayin fashewa
Sauƙin Samarwa don Bawuloli na Ƙwallon Cryogenic:
Kwallo Mai Shawagi: 1/2" – 8" (DN15 – DN200), Aji 150 – Aji 1500
Ƙwallon da aka saka a Trunnion: 2" - 48" (DN50 - DN1200), Aji 150 - Aji 2500
Haɗin ƙarshe: Flanged (RF, RTJ), Butt Weld (BW), Socket Weld (SW), Zare (NPT)
l Kunnawa: Manual (leba, gear), Pneumatic, Electric, Hydraulic
l Ƙarfin samarwa na wata-wata: raka'a 1,500-2,000 dangane da girma da sarkakiya
Ganewa a Duniya:Womic Steel amintaccen mai samar da kayayyaki ne ga 'yan kwangilar EPC na duniya da masu gudanar da LNG, ciki har da Technip Energies, McDermott, Bechtel, da Sinopec, suna hidima a ƙasashe sama da 40 a fannonin LNG, man fetur, da iskar gas na masana'antu.
2. Bawul ɗin Kwallo Mai Tsanani: Tsarin Kayan Aiki & Mahimman Bayanai
Bawuloli na ƙwallon Cryogenic suna aiki a yanayin zafi ƙasa da -196°C, inda kayan da aka saba amfani da su ke yin rauni kuma tsarin rufewa na yau da kullun ya lalace saboda matsewar zafi. An ƙera bawuloli na ƙwallon cryogenic ɗinmu musamman don waɗannan yanayi masu tsauri.
Mahimman Siffofin Tsarin Sabis na -196°C:
Faɗaɗɗen hula mai ɗauke da faranti mai diga:Ana faɗaɗa murfin don tabbatar da cewa yankin da aka ɗora (hatimin tushe) ya kasance a yanayin zafi sama da daskarewa, yana hana samuwar kankara da kuma kiyaye ingancin hatimin. Farantin digo yana hana danshi mai kauri ya diga a jikin rufin ko bawul.
Maganin Zurfi Mai Tsanani:Duk sassan da ke ɗauke da matsi (jiki, bonnet, ball, tushe) ana yi musu magani mai zurfi a -196°C na tsawon aƙalla awanni 8 (ko zagayowar da yawa) don canza austenite da aka riƙe, rage damuwa da ta rage, da kuma tabbatar da daidaiton girma a zafin aiki.
Kayayyaki na Musamman don Sabis na Cryogenic:
| Bangaren | Zaɓuɓɓukan Kayan Aiki | Yanayin Zafin Jiki | Muhimman Halaye |
| Jiki/Bonit | ASTM A351 CF3/CF3M (304L/316L SS) | -196°C zuwa +300°C | Tsarin Austenitic a yanayin zafi mai tsanani |
| Jiki/Bonit | ASTM A352 LCB/LCC (Ƙaramin Carbon Karfe) | -46°C zuwa +300°C | Don ƙarancin sabis na cryogenic mai tsanani |
| Jiki/Bonit | ASTM A182 F304L/F316L (An ƙirƙira) | -196°C zuwa +300°C | Babban mutunci, ƙananan girma dabam-dabam |
| Ƙwallo | ASTM A182 F304/F316 | -196°C zuwa +300°C | An duba PT/UT 100% |
| Ƙwallo | ASTM A351 CF3/CF3M (Mai Zane) | -196°C zuwa +300°C | Manyan girma dabam-dabam |
| Tushe | ASTM A182 F304L/F316L | -196°C zuwa +300°C | Ƙarfin da ya ƙara a yanayin zafi mai ƙasa |
| Tushe | ASTM A182 F XM-19 | -196°C zuwa +300°C | Ƙarfi mafi girma, juriyar lalacewa mafi girma |
| Wurin zama na bawul | PCTFE (Polychlorotrifluoroethylene) | -196°C zuwa +150°C | Mafi ƙarancin yawan zubar ruwa, kyakkyawan hatimin cryogenic |
| Wurin zama na bawul | RPTFE (PTFE Mai Ƙarfafawa) | -196°C zuwa +200°C | Kyakkyawan hatimi, ƙarfin zafin jiki mafi girma |
| Wurin zama na bawul | LEKE | -196°C zuwa +260°C | Ƙarfi mafi girma, zaɓin wurin zama na ƙarfe |
| Hatimin Jiki | Rauni Mai Karkace (Graphite + SS) | -196°C zuwa +400°C | Hatimin aminci mai aminci ga wuta, amintaccen hatimi |
| Tushen Marufi | Graphite Mai Fitar da Iska Mai Ƙaranci | -196°C zuwa +400°C | Takaddun shaida na ISO 15848 |
| Bolting | ASTM A320 Gr.L7 / A194 Gr.7 | Karfe mai ƙarancin zafin jiki na carbon | Don jikin LCB |
| Bolting | ASTM A320 Gr.B8 CL.2 / A194 Gr.8 | -196°C zuwa +400°C | Don jikin SS |
| Anti-static | Spring/ball na ƙarfe mai ƙarfe | – | Ƙwallon da aka jefa ta ƙasa zuwa jiki |
Tabbatar da Muhimman Abubuwa:
l 100% PMI (Gano Kayan Aiki Mai Kyau) akan duk abubuwan haɗin ƙarfe
Gwajin tasirin Charpy V-notch a -196°C don tabbatar da kayan jiki/bonnet (bisa ga BS 6364)
Gwajin tauri don aikace-aikacen sabis na tsami (bisa ga NACE MR0175)
3. Tsarin Girma da Bin Ka'idoji
| Abu | Ƙayyadewa |
| Tsarin Tsarin | BS 6364, MSS SP-134, API 608, API 6D, ASME B16.34 |
| Nau'i | Kwallo Mai Shawagi (≤ 8") / Kwallo Mai Sanyawa a Trunnion (≥ 2") |
| Girman Girma | 1/2" – 48" (DN15 – DN1200) |
| Matsayin Matsi | Aji na 150 - Aji na 2500 (PN20 - PN420) |
| Yanayin Zafin Jiki | -196°C zuwa +300°C (ya danganta da kayan aiki) |
| Haɗin Ƙarshe | An yi masa lanƙwasa (RF, RTJ ga kowace ASME B16.5/B16.47), Butt Weld (ga kowace ASME B16.25), Socket Weld (ga kowace ASME B16.11), Zare (NPT ga kowace ASME B1.20.1) |
| Fuska da Fuska | ASME B16.10, API 6D, ko kuma ga takamaiman bayanin abokin ciniki |
| Wutar Lantarki | API 607 (kujera mai laushi), API 6FA (kujera ta ƙarfe) |
| Fitar da Iska daga Gudu | ISO 15848-1 (Aji A ko B) |
| Anti-static | Kowace API 608, BS 5351 |
| Bolting | ASME B16.34, ASTM A320/A194 |
| Gwajin Tsanani | BS 6364, MSS SP-134 |
| Gwajin Hydrostatic | API 598, ISO 5208 |
| Kunnawa | Lever, Gear (Manual), Pneumatic, Electric, Hydraulic |
4. Saitin da ake da shi - Bawul ɗin Ƙwallon Cryogenic (-196°C)
| Girman | Ajin Matsi | Kayan Jiki | Kayan Kujera | Haɗin Ƙarshe | Kunnawa | Aikace-aikacen da Aka saba |
| 1/2" – 2" | CL150-1500 | A182 F304L/F316L | PCTFE | SW/NPT/BW | Lever | Kayan aiki, layukan samfura |
| 2" - 8" | CL150-1500 | A351 CF3/CF3M | PCTFE/RPTFE | Flange/BW | Lever/Gear | Kamfanin LNG, bututun ASU |
| 2" - 8" | CL150-1500 | A352 LCB/LCC | PCTFE/RPTFE | Flange/BW | Kayan aiki | Tashoshin karɓar LNG |
| 6" - 24" | CL150-600 | A351 CF3/CF3M | PCTFE/PEEK | Flange/BW | Kayan aiki | Manyan layukan canja wurin LNG |
| 6" - 24" | CL150-600 | A352 LCB/LCC | PCTFE | Flange/BW | Kayan aiki | Sabis na ƙarfe mai ƙarancin zafi na carbon |
| 12" - 42" | CL150-300 | A351 CF3/CF3M | PCTFE | Flange/BW | Kayan aiki/Na'urar Lantarki | Tankin ajiya na LNG |
| 2" - 48" | CL150-2500 | A351 CF3M | PCTFE/RPTFE | BW kawai | Kayan aiki/Na'urar Lantarki | Babban matsin lamba mai ƙarfi |
Tsarin da aka keɓance a wajen waɗannan jeri yana samuwa idan an buƙata. Tsarin da aka ɗora da Trunnion ya zama dole don girma ≥ 2" ga kowane API 6D, ko don aikace-aikacen matsin lamba mai yawa / ƙarfin juyi mai yawa.
Muhimman Siffofin Zane - Kwallo Mai Shawagi (Girman ≤ 8"):
l Ginin jiki guda ɗaya ko guda biyu
l Tsarin wurin zama mai kuzari na bazara
l Low ƙarfin aiki
l Shigarwa ta sama ko ta gefe tana samuwa
Mahimman Sifofin Zane - An saka Trunnion (Girman ≥ 2"):
l Ball da aka goyan bayan trunnion bearings don matsin lamba mai yawa
l Tsarin wurin zama mai nauyin bazara (haɗin wurin zama na ƙasa)
l Rage matsin lamba a cikin rami (wurin zama a sama ko kuma hanyar fitar da iska)
l Low ƙarfin aiki ko da kuwa matsin lamba
l Biyu toshe da jini iyawa
l Tsarin shigarwar sama ko na gefe
5. Ka'idojin da Aka Yi Amfani da Su don Bawuloli Masu Tsabtace Kwallo
| Daidaitacce | Bayani | Aikace-aikace |
| BS 6364 | Takamaiman bayanai don bawuloli masu ban tsoro don LNG da sabis na ƙarancin zafin jiki | Babban ƙa'idar ƙira don sabis na cryogenic |
| MSS SP-134 | Daidaitacce don bawuloli don sabis na cryogenic | Daidaitaccen ma'aunin Amurka don bawuloli masu ban tsoro |
| API 608 | Bawuloli na ƙwallon ƙarfe - ƙarshen flange da butt-walda | Tsarin ƙirar bawul ɗin ƙwallo |
| API 6D | Takamaiman Bayani ga bututun bututu da bawuloli na bututu | Tsarin bawul ɗin bututun ƙwallo |
| ASME B16.34 | Bawuloli - ƙarshen flange, zare, da walda | Tushen ƙimar zafin jiki na matsi |
| API 607 | Gwajin wuta don bawuloli masu laushi da ke juyawa kwata-kwata | Takaddun shaida mai aminci ga wuta |
| API 6FA | Gwajin wuta don bawuloli | Takaddun shaida mai aminci ga wuta don bawuloli na API 6D |
| ISO 15848-1 | Bawuloli na masana'antu - hanyoyin aunawa da gwaji don fitar da hayaki daga wurare masu nisa | Takaddun shaida na ƙarancin fitar da hayaki daga jirgin sama |
| ASME B16.10 | Girman fuska da fuska da kuma ƙarshe zuwa ƙarshe | Tsarin shigarwa misali |
| API 598 | Dubawa da gwaji na bawul | Ka'idojin karɓar gwaji |
| NACE MR0175 / ISO 15156 | Masana'antar mai da iskar gas - kayan aiki don muhallin H2S | Bin ƙa'idodin sabis masu tsauri |
Amfani:Tashoshin karɓar LNG, masana'antun ruwan sha na LNG, na'urorin ɗaukar kaya na LNG, bututun tankin ajiya na LNG, na'urorin rabuwar iska (ASU), bututun iskar oxygen na ruwa/ruwa, sabis na hydrogen na ruwa, masana'antun ethylene da propylene, sabis na methanol mai ƙarancin zafi, sarrafa iskar gas mai ƙarfi, sabis na helium na ruwa.
6. Tsarin Kera – Bawul ɗin Kwallo Mai Tsanani (-196°C)
Womic Steel tana amfani da hanyoyin kera na musamman don bawuloli na ƙwallon cryogenic tare da mai da hankali kan cancantar kayan aiki, maganin cryogenic mai zurfi, da kuma tabbatar da aikin cryogenic.
Mataki na 1: Duba Kayan Danye da PMI
l Simintin jiki da na bonnet/forgings da aka tabbatar ta hanyar nazarin sinadarai da PMI
Gwajin tasirin Charpy a -196°C kowace BS 6364 don tabbatar da tauri mai ƙarancin zafin jiki
l 100% PT (Gwajin Shiga Jiki) da UT (Gwajin Ultrasonic) akan simintin gyaran lahani
l gwajin taurin kai don aikace-aikacen sabis mai tsami
Mataki na 2: Yin Inji
l CNC machining na jiki, bonnet, ball, da kuma tushe zuwa daidai haƙuri
l Nika na musamman na ƙwallon ƙafa da wurin zama don hatimin da ke da matsewa
l Ƙarshen saman wuraren rufewa: Ra ≤ 0.4μm (ƙarshen madubi)
l Yin amfani da tsagi mai hana tsagi, tsagi mai hana tsagi, da kuma taimako daga ramin rami
Mataki na 3: Maganin Zurfi Mai Tsanani (Muhimmi ga Sabis na -196°C)
l Duk muhimman abubuwan da ke cikin jiki (jiki, bonnet, ball, tushe) an yi musu magani mai zurfi a -196°C (jika nitrogen na ruwa)
l Mafi ƙarancin lokacin jiƙawa: awanni 8 a kowace BS 6364 (yawanci awanni 8-12)
l Darussa da yawa (har zuwa zagaye 3) don manyan simintin gyare-gyare ko hadaddun
l Manufa: Canza austenite mai riƙewa zuwa martensite, rage damuwa da ta rage, tabbatar da kwanciyar hankali a zafin aiki na sabis
l Sai a bi ta hanyar tempering don dawo da ductility (don maki na bakin karfe na martensitic)
Mataki na 4: Haɗawa
l An tsaftace sassan don cire duk wani mai, mai, ko gurɓatattun abubuwa
l Duk taro da aka yi a cikin yanayi mai tsabta na ɗaki
l Man shafawa da man shafawa masu jituwa da cryogenic (ba a haɗa su da hydrocarbon ba)
l Shigar da wurin zama da daidaita kaya kafin lokaci (kujerun da aka samar da kuzari a lokacin bazara)
l Hatimin tushe da shigarwa na marufi tare da low fitarwa shiryawa
l Babban taron bonnet tare da farantin drip da aka sanya a sama da layin rufi
Mataki na 5: Dubawa Kafin Gwaji
l Tabbatar da girma na duk mahimman girma
l Tabbatar da karfin juyi na bolting (ga ASME B16.34)
l Gwajin wurin zama na pneumatic (ƙarancin matsin lamba) kafin gwajin hydrostatic
Mataki na 6: Gwajin Hydrostatic (Kowace API 598)
Gwajin harsashi: Matsin ƙira 1.5 × na tsawon aƙalla daƙiƙa 15, babu ɓuɓɓugar da ake gani
Gwajin kujeru: 1.1 × matsin lamba na ƙira, gwajin kujera mai ƙarancin matsin lamba (0.5-0.7 MPa), ƙimar zubewa mai karɓuwa ga kowane API 598
l Babu ɓuɓɓugar ruwa a bayyane akan abubuwan rufewa
Mataki na 7: Gwajin Aiki na Cryogenic (Muhimmi ga Sabis na -196°C ga BS 6364)
l An nutsar da bawul ɗin a cikin ruwa nitrogen (-196°C) na tsawon aƙalla awanni 2
l Gwajin kujera mai ƙarancin matsin lamba (0.6 MPa) a zafin jiki
l An auna zubar da wurin zama: ≤ 0.1 cc/min a kowace inci na diamita na wurin zama
l auna karfin juyi a zafin jiki mai zafi
Gwajin keke: Mafi ƙarancin zagaye 10 a zafin jiki
l Ba a yarda da lalacewa ko murdiya ba
Mataki na 8: Gwajin Fitar da Iska (Bisa ga ISO 15848-1)
l bawuloli masu ƙarancin fitar da hayaki mai gudu waɗanda aka gwada bisa ga ISO 15848-1
l Zubar da ruwa da aka auna akan na'urar gano zubar helium
l Karɓa: Aji A ko B ya danganta da buƙatun abokin ciniki
Mataki na 9: Gwaji Mai Kariya Daga Wuta (Kowanne API 607 ko API 6FA - Bayan An Buƙata)
l Bawul ɗin da aka fallasa shi ga wuta mai zafi 650-760°C na tsawon minti 30
l Gwajin zubar da ruwa a wurin zama bayan wuta da sanyaya
l Dubawar gani don lalacewa
Mataki na 10: Dubawa da Alama na Ƙarshe
l Dubawar gani don lahani na surface, mutuncin shafi, yin alama mai sauƙin fahimta
l Alamar dindindin bisa ga BS 6364 / API 6D: masana'anta, girma, ajin matsin lamba, kayan aiki, ƙimar zafin jiki, tambarin gwaji, lambar serial
l Shirye-shiryen takardu da bita
7. Tsarin Kula da Inganci da Gwaji don Bawul ɗin Ƙwallon Cryogenic (-196°C)
| Matakin mataki | Hanyar Dubawa | Manufa |
| Kayan Danye (Gyara/Ƙirƙira) | PMI (Gano Kayan Aiki Mai Kyau) | Tabbatar da ingancin alloy da kuma kimiyya |
| Albarkatun kasa | Gwajin Tasirin Charpy a -196°C | Tabbatar da tauri mai ƙarancin zafin jiki bisa ga BS 6364 |
| Albarkatun kasa | PT/UT (Duba Siminti) | Gano lahani na simintin, abubuwan da aka haɗa, da kuma porosity |
| Inji | Dubawa Mai Girma | Tabbatar da ma'auni masu mahimmanci ga ASME B16.34 |
| Bayan Maganin Ciwo Mai Zurfi | Sake Dubawa Mai Girma | Tabbatar da kwanciyar hankali bayan magani |
| Taro | Dubawar Gani | Duba don gurɓatawa, haɗa kayan da suka dace |
| Gwaji Kafin-Gwaji | Gwajin Kujera Mai Ƙarfi (Ƙarancin Matsi) | Tabbatar da ingancin hatimin farko |
| Bawul ɗin da aka gama | Gwajin Harsashin Hydrostatic | Ingancin matsin lamba ga kowane API 598 |
| Bawul ɗin da aka gama | Gwajin Kujera Mai Tsabtace Ruwa | Ingancin hatimin wurin zama bisa ga API 598 |
| Bawul ɗin da aka gama | Gwajin Aiki na Cryogenic ga BS 6364 | Tabbatar da aiki -196°C (mahimmanci) |
| Bawul ɗin da aka gama | Gwajin Fitar da Gudu (bisa ga ISO 15848-1) | Ingancin hatimin zuba ruwa mai ƙarancin ruwa |
| Bawul ɗin da aka gama | Gwajin Tsaron Wuta (API 607/API 6FA - idan an buƙata) | Takaddun shaida mai aminci ga wuta |
| Bawul ɗin da aka gama | Gwajin Karfin Karfi | Tabbatar da ƙarfin aiki a zafin jiki mai ƙarfi |
| Bawul ɗin da aka gama | Dubawa da Dubawa | Tabbatar da inganci na ƙarshe |
| Bawul ɗin da aka gama | Tabbatar da Alamar | Tabbatar da yin alama ta dindindin bisa ga ƙa'idodi |
Gwaje-gwaje na Zaɓaɓɓu don Aikace-aikacen Cryogenic Masu Muhimmanci:
Gwajin Zubar da Iskar Helium (mass spectrometer) don ayyuka masu mahimmanci
Gwajin wurin zama na gas mai matsin lamba (kowane API 6D)
Gwajin tsawon rayuwa (har zuwa zagaye 500 a zafin jiki mai zafi)
l NDT (RT/UT) don duba hotunan rediyo
l Yarda da ATEX don yanayin fashewa
l Yarjejeniyar NACE MR0175 don sabis mai tsami
Gwajin tasirin Charpy akan ainihin abubuwan haɗin gwiwa (ba wai takardun shaida na gwaji kawai ba)
8. Babban Aikace-aikace - Bawul ɗin Kwallo Mai Tsanani (-196°C)
l Tashoshin karɓar LNG:LNG da aka shigo da shi daga masu ɗaukar kaya yana shiga tankunan ajiya ta hanyar amfani da bawuloli masu saukar da kaya, waɗanda bawuloli masu ɗaukar kaya masu ƙarfi ke sarrafawa. Babban tashar LNG ta yau da kullun tana amfani da bawuloli masu ƙarfi 300-500 don saukar da kaya, ajiya, da kuma aika kaya. Bawuloli masu ƙarfi sun dace da BS 6364 da MSS SP-134 don hidimar LNG.
l Shuke-shuken LNG na sharar ruwa:Ana sanyaya iskar gas ta halitta zuwa -162°C don a sha ruwa. Bawuloli masu kama da ƙwallo suna sarrafa kwararar da ke ta hanyar musayar zafi, masu rabawa, da ginshiƙan rabawa. Waɗannan bawuloli dole ne su kiyaye amincin hatimi ta hanyar dubban zagayowar zafi.
l Makamai Masu Lodawa na Jirgin Ruwa na LNG:A lokacin lodi daga tashar zuwa mai ɗaukar kaya na LNG, bawuloli masu ƙarfi na ƙwallon cryogenic suna ware kuma suna sarrafa kwararar. Tsarin kariya daga wuta (API 607) wajibi ne don aikace-aikacen hannu.
l Rukunin Raba Iska (ASU):Ruwa mai sinadarin nitrogen (-196°C), ruwa mai iskar oxygen (-183°C), da ruwa mai argon (-186°C). Bawuloli masu kama da ƙwallo suna sarrafa fitar da kayayyaki da adana su.
l Sabis na Ruwan Hydrogen:Ana adana sinadarin hydrogen mai ruwa a -253°C, wanda ke buƙatar bawuloli na musamman na cryogenic. Don amfani a wannan yanayin zafi mai tsanani, muna ba da shawarar jikin ƙarfe mai bakin ƙarfe mai austenitic tare da tsarin rufewa na musamman.
l Tsire-tsire na Ethylene da Propylene:Ana amfani da ƙananan zafin jiki daga -40°C zuwa -104°C. Bawuloli masu kama da cryogenic sune na yau da kullun a cikin sassan sanyi na ethylene da kuma da'irorin sanyaya propylene.
l Sabis na Methanol Mai Ƙarancin Zafi:Masana'antun methanol masu ƙananan sassan zafin jiki (-20°C zuwa -40°C) suna buƙatar bawuloli masu ƙarfi don ingantaccen aiki.
l Sarrafa Iskar Gas Mai Tsanani:Ana fitar da iskar gas ta NGL (ruwayen iskar gas na halitta) inda ake sanyaya iskar don raba ethane, propane, da butane. Ana amfani da bawuloli na ƙwallon cryogenic a cikin masu raba sanyi da kuma layin sama na de-ethanizer.
l Sabis na Helium na Ruwa:Helium mai ruwa a -269°C yana buƙatar bawuloli na musamman masu ƙarfi waɗanda ke ɗauke da kujerun PCTFE ko na yumbu. Akwai idan an buƙata.
l Makamashin Nukiliya da Sararin Samaniya:Gudanar da ruwa mai guba a wuraren tura roka da wuraren binciken nukiliya.
9. Marufi & Jigilar Kaya - Bawul ɗin Kwallo Mai Tsanani (-196°C)
Marufi:
l Kariya:Duk bawuloli an naɗe su da takarda mai hana tsatsa ko takardar hana tsatsa ta VCI (Vapor Corrosion Inhibitor). An rufe flanges da haɗin ƙarshe da murfin filastik ko flanges na ƙarfe.
l Kariyar Ƙarshe:Murfin filastik don ƙarshen SW/NPT; flanges na makafi na ƙarfe tare da gaskets don ƙarshen da aka lanƙwasa (RF ko RTJ). An kare ƙarshen walda na butt da murfin ƙarshen filastik ko ƙarfe.
l Kariyar Mai kunnawa:Masu sarrafa kaya ko na'urorin kunnawa da aka kare da murfin filastik da kumfa.
l Akwatunan Katako:Ga ƙananan bawuloli (≤ 8"), an saka su a cikin akwatunan katako masu ƙarfi tare da kumfa. Akwatunan katako masu inganci waɗanda aka fitar da su tare da kayan haɗin kusurwa.
l Gilashin ƙarfe:Ga manyan bawuloli (> 8") ko manyan bawuloli, akwai kujerun ƙarfe daban-daban masu tallafi masu lanƙwasa don hana lalacewa yayin jigilar kaya. Ana ɗaure bawuloli ta hanyar ɗaurewa zuwa ga gadon.
l Mai tsabtace jiki:Ana sanya jakunkunan silica gel desiccant a cikin akwatuna don shanye danshi da kuma hana tsatsa.
Jigilar kaya:
l Yanayin sufuri:Jirgin sama na yau da kullun don ƙananan bawuloli na gaggawa; jigilar kaya ta teku don manyan bawuloli da odar kaya mai yawa; jigilar kayan aiki don manyan bawuloli masu nauyi.
l Tsarin kwantena:Ƙananan bawuloli da aka lulluɓe su a cikin kwantena; manyan bawuloli a cikin kwantena masu faɗi ko kwantena masu buɗewa a saman.
l Babban aiki:Ana jigilar bawuloli masu girma ko nauyi (> 48" ko > tan 5) daban-daban akan tasoshin da ke da manyan ramuka.
l Lakabi:Kowace akwati ko gadon jariri an yi masa lakabi da lambar alamar bawul, girma, ajin matsi, kayan aiki, lambar serial, da umarnin sarrafawa. Lakabi na musamman don nuna aikin da ke haifar da cryogenic.
l Takardu:Cikakken MTC (EN 10204 Nau'i na 3.1/3.2), rahoton gwajin hydrostatic, rahoton gwajin aikin cryogenic bisa ga BS 6364, rahoton gwajin fitar da hayaki mai haɗari, takardar shaidar kariya daga wuta (idan ya dace), rahoton girma, jerin kayan tattarawa, takardar lissafin kasuwanci, takardar lissafin kaya, takardar shaidar asali, sanarwar CE ta Aiki.
Takardun da aka bayar ga kowane jigilar kaya:
Takardar Shaidar Gwajin Injin l (misalin EN 10204 Nau'in 3.1; Nau'in 3.2 bisa buƙata)
Rahoton Gwajin Hydrostatic (harsashi da wurin zama, matsin lamba, tsawon lokaci, sakamako)
l Rahoton Gwajin Aiki na Cryogenic bisa ga BS 6364(Sakamakon gwaji -196°C, yawan zubar ruwa, karfin juyi)
Rahoton Gwajin Fitar da Iska (ISO 15848-1 Aji A ko B)
Takardar Shaidar Gwaji Mai Inganci a Wuta (API 607 ko API 6FA - idan an buƙata)
Rahoton Dubawa Mai Girma (fuska da fuska, haƙoran flange, girman rami)
l Rahoton Gwajin Kayan Aiki (PMI, tasirin Charpy a -196°C)
Rahoton Gwajin PMI (duk kayan haɗin gwal)
l Rikodin Jiyya Mai Zurfi (zafin jiki, lokacin jiƙawa, zagayowar)
Rahoton Gwajin Mai Aiki (idan ya dace)
Jerin Marufi, Takardar Kuɗin Kasuwanci, Takardar Kuɗin Jigilar Kaya, Takardar Asali
l Sanarwar CE ta Aiki (DoP) don jigilar kaya na Turai
10. Amfanin Karfe na Womic & Tambayoyi da Amsoshi - Bawul ɗin Kwallo Mai Tsanani (-196°C)
Me Yasa Za A Yi Haɗin gwiwa da Womic Steel don Bawuloli na Ƙwallon Cryogenic?
Girman da aka cika: 1/2" – 48" (DN15 – DN1200), Aji 150 – Aji 2500.
l Maganin Tsami Mai Tsami a -196°C - yana tabbatar da daidaiton girma kuma yana hana karkacewa a zafin aiki (dole ne ga BS 6364 don sabis na ≤ -101°C).
l An tabbatar da ingancin aiki mai ƙarfi - an gwada bawuloli 100% a -196°C ga kowace BS 6364 kafin a kawo su.
Tsarin kariya daga wuta - Takaddun shaida na API 607 ko API 6FA yana samuwa ga duk bawuloli na ƙwallo.
l Ƙarancin fitar da hayaki mai gudu – Ma'aunin fakitin ISO 15848-1 na Aji A ko B ga duk bawuloli.
l Tsarin hana tsatsa da kuma hana busawa - fasalulluka na aminci na yau da kullun.
Zabi na zane mai iyo ko na trunnion dangane da girma da matsin lamba.
Zabin kayan jiki: CF3, CF3M, CF8, CF8M, LCB, LCC, ƙarfe mai duplex.
Zaɓin kayan wurin zama: PCTFE (kujera mai ƙarfi), RPTFE, PEEK.
l Alamar PED 2014/68/EU CE don kayan aikin matsin lamba na Turai.
l Lokacin jagorancin gasa: makonni 8-12 don daidaitattun saiti, makonni 16-20 don ƙirar al'ada mai girma.
An karɓi duba na ɓangare na uku (SGS, BV, TÜV, DNV, ABS, LR).
Tambayoyin da Ake Yawan Yi (Tambayoyin da Ake Yawan Yi) – Bawul ɗin Kwallo Mai Tsanani (-196°C)
T: Menene bambanci tsakanin bawul ɗin ƙwallon da aka saba da bawul ɗin ƙwallon da aka saba da shi?
A: Bawuloli na ƙwallon Cryogenic suna da wasu muhimman siffofi da ba a samu a cikin bawuloli na yau da kullun ba: faffadan bonnet tare da farantin digo don kare hatimin tushe daga yanayin zafi mai zafi; jiƙa mai zurfi na cryogenic (-196°C) na dukkan abubuwan haɗin don hana karkacewa; kayan wurin zama na musamman (PCTFE, PEEK) waɗanda ke kula da ingancin hatimi a ƙananan yanayin zafi; marufi mai ƙarancin fitar da hayaki; da gwajin aikin cryogenic na tilas bisa ga BS 6364. Bawuloli na ƙwallon yau da kullun galibi suna da bonnets marasa tsayi, kujerun polymer na yau da kullun waɗanda ke yin rauni a yanayin zafi mai zafi, kuma babu gwajin cryogenic.
T: Menene mafi ƙarancin zafin jiki na sabis don bawul ɗin ƙwallon ku mai ban tsoro?
A: Ana kimanta bawuloli na ƙwallon cryogenic ɗinmu na yau da kullun don sabis na -196°C (zafin ruwa na nitrogen) ga BS 6364 da MSS SP-134. Don sabis na ruwa na hydrogen (-253°C) ko helium na ruwa (-269°C), muna ba da ƙira na musamman tare da kayan da aka gyara da hatimi. Da fatan za a tuntuɓi ƙungiyar injiniyanmu don waɗannan aikace-aikacen zafin jiki mai tsanani.
T: Menene maganin zurfin cryogenic kuma me yasa ake buƙatarsa?
A: Maganin cryogenic mai zurfi shine tsarin sanyaya sassan bawul zuwa -196°C (ruwa nitrogen) na akalla awanni 8, sannan a hankali a koma zafin ɗaki. Wannan tsari yana canza austenite mai riƙewa (wanda zai iya haifar da canje-canje a yanayin zafi) zuwa martensite, yana rage damuwa da ya rage daga injin, kuma yana tabbatar da kwanciyar hankali a yanayin zafi. BS 6364 yana buƙatar magani mai zurfi na cryogenic don bawuloli masu yanayin zafi ≤ -101°C.
T: Waɗanne kayan wurin zama kuke ba da shawarar don sabis na -196°C?
A: Don sabis na -196°C, muna ba da shawarar PCTFE (polychlorotrifluoroethylene) a matsayin babban kayan wurin zama. PCTFE yana kula da halayen injina kuma yana ba da kyakkyawan rufewa a yanayin zafi mai sanyi ba tare da kwararar sanyi ba. RPTFE (PTFE mai ƙarfafawa) ya dace da -196°C amma yana da ɗan ƙaramin yawan zubar ruwa. Ana iya amfani da PEEK a -196°C amma an fi amfani da shi don ayyukan zafi mafi girma (har zuwa 260°C) ko aikace-aikacen kujerun ƙarfe.
T: Shin gwajin aikin cryogenic wajibi ne?
A: Dangane da BS 6364 da MSS SP-134, gwajin aikin cryogenic wajibi ne ga bawuloli da ake amfani da su a cikin aikin LNG da cryogenic. Dole ne a yi gwaje-gwaje a -196°C (ruwa nitrogen) tare da gwajin kujera mai ƙarancin matsin lamba bayan daidaita yanayin zafi. Womic tana yin gwajin aikin cryogenic 100% akan kowane bawul ɗin ƙwallon cryogenic kafin jigilar kaya.
T: Wace takardar shaida ce kuke bayarwa ta hanyar amfani da na'urar kariya daga gobara?
A: Muna bayar da takardar shaida mai kariya daga wuta bisa ga API 607 (ga bawuloli masu laushi) da API 6FA (ga bawuloli masu zaman kansu na ƙarfe). Gwaji ya ƙunshi fallasa bawuloli zuwa wuta mai zafi 650-760°C na tsawon mintuna 30, sannan a gwada zubar da wurin zama. Tsarin kariya daga wuta ya zama dole ga yawancin aikace-aikacen LNG da petrochemical.
T: Shin kuna bayar da kayan tattarawa mai ƙarancin fitar da hayaki?
A: Eh. Duk bawuloli masu ƙarfi na ƙwallonmu ana samar musu da ƙananan marufi na fitar da hayaki mai gudu waɗanda aka gwada su bisa ga ISO 15848-1. Za mu iya bayar da takardar shaida ta Aji A ko Aji B dangane da buƙatunku. Marufi mai ƙarancin fitar da hayaki mai gudu misali ne na bawuloli masu tsayi.
T: Menene bambanci tsakanin ƙwallon da ke iyo da bawuloli masu ɗorawa da trunnion?
A: Bawuloli masu iyo suna da goyon bayan ƙwallon ne kawai ta wurin kujerun (ƙwallon yana "shawagi" tsakanin kujerun). Ana amfani da wannan ƙirar don girma har zuwa inci 8 da matsakaicin matsin lamba. Bawuloli masu hawa da Trunnion suna da goyon bayan ƙwallon ta hanyar bearings na trunnion (sama da ƙasa), wanda ke rage ƙarfin aiki kuma yana ba da damar girma da matsin lamba mafi girma. Dangane da API 6D, ƙirar da aka ɗora da trunnion wajibi ne ga girma ≥ 2" a cikin aikin bututun mai.
T: Za ku iya samar da bawuloli masu ƙarfi waɗanda ke bin ƙa'idodin NACE MR0175?
A: Eh. Don aikace-aikacen cryogenic mai amfani da tsami (LNG tare da H2S ko ethylene tare da H2S), muna samar da bawuloli na ƙwallon cryogenic tare da kayan da suka dace da NACE MR0175 / ISO 15156. Wannan ya haɗa da gwajin tauri, zaɓin kayan da ya dace, da bin ka'idojin da aka rubuta.
T: Menene lokacin jagorancin da aka saba amfani da shi don bawuloli na ƙwallon cryogenic?
A: Lokacin jagora na yau da kullun shine makonni 8-12 don daidaitawa na yau da kullun (ƙwallon shawagi, girma ≤ 8", Aji 150-600). Ga bawuloli da aka ɗora a kan trunnion (girma ≥ 2", manyan girma), lokacin jagora shine makonni 12-16. Ga bawuloli masu girman rami (> 24") ko kayan aiki na musamman, lokacin jagora shine makonni 16-20. Ana iya samun odar gaggawa don ƙananan adadi (makonni 4-6) tare da kuɗin gaggawa.
T: Shin kuna bayar da kunnawa don bawuloli na ƙwallon cryogenic?
A: Eh. Muna bayar da aiki da hannu tare da lever (girman ≤ 4") ko mai sarrafa gear (girman ≥ 2"), kunna pneumatic (dawowa ta bazara ko aiki sau biyu), kunna lantarki (kunnawa ko daidaitawa), da kunna hydraulic. Duk masu kunna an yi su ne don samar da isasshen karfin juyi a yanayin zafi mai zafi (ƙarfin juyi yana ƙaruwa a ƙananan yanayin zafi saboda matsewar zafi).
T: Waɗanne takaddun gwaji kuke bayarwa ga kowane bawul?
A: Muna samar da cikakken kunshin takardu waɗanda suka haɗa da: Takaddun Shaidar Gwajin Injin EN 10204 Nau'in 3.1 (Nau'in 3.2 idan an buƙata), Rahoton Gwajin Hydrostatic, Rahoton Gwajin Aiki na Cryogenic bisa ga BS 6364 (tare da yawan zubewa da ƙarfin juyi), Rahoton Gwajin Fitar da Iska (idan ya dace), Takaddun Shaidar Tsaron Wuta (idan ya dace), Rahotannin Gwajin PMI, Rahoton Duba Girma, Bayanan Jiyya Mai Zurfi, Rahotannin Gwajin Kayan Aiki (gami da tasirin Charpy a -196°C), da Sanarwar Aiki ta CE ga jigilar kayayyaki na Turai.
Kwarewa a Aiki & Nazarin Shari'a - Bawul ɗin Kwallo Mai Tsanani (-196°C)
Aiki:Faɗaɗa Tashar Karɓar LNG - Jiangsu, China
Daidaitacce & Matsayi:BS 6364, MSS SP-134, API 6D, API 607 (Mai kariya daga wuta)
Bayani dalla-dalla & Adadi:
Bawuloli na Ball da aka saka a cikin Trunnion guda 16" (DN400), Aji 300, Jikin CF3M, Kujerun PCTFE - raka'a 8 (kimanin tan 3.2/naúra)
Bawuloli na Ball da aka saka a cikin Trunnion guda 12" (DN300), Aji 300, Jikin CF3M, Kujerun PCTFE – Raka'a 16 (kimanin tan 2.1/raka'a)
Bawuloli na Kwallo masu Shawagi 8" (DN200) Masu Shawagi, Aji 300, Jikin CF3M, Kujerun PCTFE - raka'a 24 (kimanin tan 0.8/naúra)
Bawuloli na Kwallo masu Shawagi guda 6" (DN150) Masu Shawagi, Aji 300, Jikin CF3M, Kujerun PCTFE – Raka'a 32 (kimanin tan 0.5/naúra)
Bawuloli na Kwallo masu Shawagi guda 4" (DN100) Masu Shawagi, Aji 300, Jikin CF3M, Kujerun PCTFE - raka'a 48 (kimanin tan 0.3/naúra)
Bawuloli Masu Shawagi 2" (DN50) Masu Shawagi, Aji 300, Jikin CF3M, Kujerun PCTFE - raka'a 64 (kimanin tan 0.15/naúra)
Jimilla:Raka'a 192 (kimanin tan 28)
Amfani:Keɓewar bututun saukar da iskar LNG da tankin ajiya. Zafin aiki: -162°C (LNG), matsin lamba na ƙira: 5.5 MPa. Faɗaɗɗen bonnet tare da farantin digo, wanda aka sarrafa shi da kayan aiki (da hannu). Tsarin kariya daga wuta bisa ga API 607, ƙarancin fitar da hayaki mai gudu bisa ga ISO 15848-1 Aji B.
Kalubalen Fasaha da Magani:
1. Zafin jiki mai tsanani (-162°C) wanda ke buƙatar ingantaccen rufewa mai ƙarfi– Sabis na LNG a -162°C (ƙasa da nitrogen mai ruwa a -196°C) yana buƙatar kujerun PCTFE saboda kyawawan halayensu na rufewa. Womic ta samar da kujerun PCTFE tare da ƙirar da aka samar da kuzarin bazara don tabbatar da ingancin hatimi ta hanyar zagayowar zafi. Duk bawuloli 192 sun wuce gwajin cryogenic tare da ƙimar zubewa < 0.05 cc/min a kowace inci na diamita na wurin zama.
2. Tsarin kariya daga wuta don hidimar hannu na LNG– Makamai masu saukar da iskar LNG suna da matuƙar muhimmanci wajen tabbatar da tsaro. Ana buƙatar takardar shaidar API 607 mai kariya daga wuta ga duk bawuloli masu inci 16 da 12. An ƙera madadin kujerun ƙarfe na biyu don kiyaye rufewa idan akwai gobara. An gudanar da gwajin kariya daga wuta ta hanyar dakin gwaje-gwaje na ɓangare na uku.
3. Ƙarancin fitar da hayaki mai gurbata muhalli don bin ƙa'idodin muhalli– Tashar da ke kusa da cibiyar jama'a tana buƙatar fakitin ISO 15848-1 na Class B. Womic ta samar da fakitin graphite mai ƙarancin iska mai ɗauke da iska tare da ƙirar bonnet mai tsawo wanda ke tabbatar da cewa zafin marufi ya kasance sama da -20°C. An samar da takardar shaidar ISO 15848-1 ta Class B ga duk bawuloli.
4. Maganin cryogenic mai zurfi don manyan simintin (jiki 16")– Manyan simintin CF3M (jiki 16") suna da sauƙin kamuwa da austenite wanda zai iya haifar da canjin girma a -162°C. Womic ta yi maganin cryogenic mai zurfi na zagaye uku (jiƙa -196°C, awanni 12 a kowace zagaye) tare da dumama matsakaici. Sake duba girma ya tabbatar da babu wata karkacewa bayan magani.
5. Tsarin da aka ɗora a Trunnion don bawuloli 16 "da 12"– Dangane da API 6D, ƙirar da aka ɗora da trunnion wajibi ne ga girman da ya kai inci 2 a cikin aikin bututun. Womic ta samar da bawuloli biyu na trunnion da aka ɗora da ƙwallo (DBB) tare da rage matsin lamba (fitar da iska a wurin zama) don hana matsin lamba daga faɗaɗa ruwa a cikin ramin da aka rufe.
6. Dubawa na ɓangare na uku ta TÜV– Abokin ciniki ya buƙaci TÜV ya shaida gwajin dukkan bawuloli 192. An haɗa Womic da mai binciken TÜV don gwajin hydrostatic, gwajin aikin cryogenic (-162°C ruwa nitrogen), da gwajin fitar da iskar gas. TÜV ta bayar da takaddun shaida na mutum ɗaya ga kowane bawul cikin kwanaki 14 bayan kammala gwajin.
7. Isarwa cikin lokaci don jadawalin faɗaɗa tashar– Faɗaɗa tashar jirgin yana da tsari mai tsauri ba tare da wani ma'ajiyar bayanai ba. Womic ta isar da dukkan bawuloli 192 a cikin jigilar kaya 4 a cikin makonni 12, tare da kowane jigilar kaya yana ɗauke da bawuloli da ake buƙata don matakin shigarwa na gaba. Jigilar kaya ta farko (bawuloli 16" da 12") ta isa makonni 4 bayan tabbatar da oda - kafin jadawali. Babu jinkiri ga ginin.
Sakamako:An fara aikin faɗaɗa tashar karɓar LNG cikin nasara a shekarar 2022. Duk bawuloli 192 na ƙwallon cryogenic sun yi aiki a -162°C sama da shekaru 2 ba tare da wata matsala ta gyara ba. Ƙwararren bawuloli na abokin ciniki ya ce: "Bawuloli masu cryogenic na Womic sun yi fice fiye da waɗanda aka kafa daga masu samar da kayayyaki na Turai dangane da daidaiton karfin juyi da ingancin hatimi. Mun rage jadawalin gyaranmu daga shekara-shekara zuwa tazara na watanni 18." Abokin ciniki ya bayar da yarjejeniyar shekaru 5 don duk buƙatun bawuloli masu cryogenic na gaba.
Tuntuɓi:
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Waya / WhatsApp / WeChat:
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Womic Steel – Abokin hulɗarka mai aminci don bawuloli masu ƙarfi na ƙwallon cryogenic (-196°C) don tashoshin LNG, na'urorin raba iska, masana'antun ethylene, da kuma ayyukan iskar gas na masana'antu a duk duniya.
Lokacin Saƙo: Yuni-18-2026