Na'urorin fan na ramin da ke hana fashewa suna sa iska ta motsa inda tartsatsin na iya haifar da bala'i. A cikin ma'adinan kwal, ramukan sarrafa sinadarai, ko hanyoyin sabis na filin mai, samun iska ba game da ta'aziyya ba ne - game da rayuwa ne. Mun ga magoya baya suna kasawa a ƙarƙashin matsin zafin zafi, rashin wuta yayin da ake karan methane, ko lalata bayan watanni shida a cikin iskar sulfur. Shi ya sa injiniyoyi ke ƙayyadad da raka'o'in fan na ramin da ke tabbatar da fashewa ba a matsayin zaɓi ba-amma a matsayin tushen abin da ake bukata.
Me yasa Magoya bayan Ramin Rami na yau da kullun suka gaza a Yankuna masu haɗari
Samun iska mai haɗari yana buƙatar fiye da ƙarar kwararar iska. Yana buƙatar aminci na ciki-babu tushen kunnawa, babu wuri mai zafi, babu tsayayyen hanyar fitarwa. Magoya bayan rami na axial ko centrifugal suna amfani da induction Motors tare da fallasa tashoshi, gidajen da ba su da iska, da gogayen carbon da ke baka. A cikin Zone 1 (inda akwai yuwuwar iskar gas mai fashewa) ko Zone 2 (inda suke lokaci-lokaci), waɗannan fasalulluka sun saba wa ka'idodin IEC 60079-0 da GB 3836.1 kai tsaye.
Mun gwada masu sha'awar ramin ramin da ba a-shige-fige guda uku a cikin iskar ma'adanan simulators (5.5% CH₄, 22°C, 95% RH). Duk sun ƙetare iyakokin zafin jiki a cikin mintuna 47. Guda biyu na thermal cutouts; daya ya kunna cakuda gas na gwaji yayin tashin hankali. Tushen dalili? Motar da ba ta tabbatar da iska ba, wuraren da ba a taɓa yin amfani da su ba, da na'urorin filastik da ke haifar da cajin lantarki. Kasawar duniya ta hakika ba ta ka'ida ba ce - an rubuta ta a cikin rajistan ayyukan Tsaron Aiki na Jihar China daga 2022-2023.
Me Ke Yi Fashe Na Gaskiya-Tabbatar Ramin Fashe?
Wani ƙwararren mai fashe mai fashewa yana haɗa nau'ikan yadudduka huɗu waɗanda ba za'a iya sasantawa ba: shingen mota (dⅠ ko Ex d IIB T4), ƙirar haɗin gwiwar wuta (flameproof).ba kawai "mai jure walƙiya ba"), kayan da suka dace da yanayin zafin jiki, da ma'auni mai ƙarfi da aka inganta a ƙimar ƙimar 110%. Jerin FBD (dⅠ) fan mai jujjuyawa mai jujjuyawar axial-wanda aka ƙera musamman don taken ma'adinan kwal na ƙarƙashin ƙasa-yana amfani da injunan tabbatar da fashewar abubuwa guda biyu waɗanda aka ajiye a cikin simintin aluminum tare da iyakar 0.012 mm iyakar haɗin gwiwa. Na'urar motsa jiki tana gudana a 1,480 rpm amma suna zama ƙasa da zafin jiki na 135 ° C har ma da nauyin 105%. Wannan ba kwafin tallace-tallace ba ne - ana auna bayanai daga dakin binciken mu na ISO 17025.
Amma takaddun shaida kadai bai isa ba. Mun kalli abokan ciniki suna shigar da ƙwararrun magoya baya kawai don gano rugujewar iska saboda rashin daidaituwar juriya ko raguwar wutar lantarki a cikin kebul na mita 800. Magani na gaskiya dole ne a lissafta madaidaitan matakan-tsari: matsatsin matsa lamba, hargitsin mashigai, tasirin zafi na yanayi akan juriya na injunawa, da murdiya mai jituwa daga madaidaitan motsi. Shi ya sa kowane naúrar FBD ke jigilar kaya tare da ƙayyadaddun tsarin aiki na rukunin yanar gizo-ba ma'auni na kasida kaɗai ba-kuma ya haɗa da madaidaicin akwatin ƙasa mai girman waya na jan karfe 35 mm².
Keɓancewa Ba Abin Al'ajabi ba ne—Wajibi ne na Aiki
Daya-girma-daidai-duk babu a karkashin kasa. Mai son ramin ramin diamita na kwal diamita na 3.2m yana buƙatar matsawa daban-daban, bayanan amo, da juzu'i mai hawa sama fiye da ɗaya don madaidaicin damar shuka sinadarai na 5.8 m. Mun gina bambance-bambancen al'ada sama da 174 a cikin watanni 27 da suka gabata-ciki har da samfuran titanium don iskar gas mai wadatar H₂S, saiti mai-shigarwa guda biyu don da'irorin samun iska, da ƙananan juzu'i masu daidaitawa waɗanda ke rage rawar jiki a bangon dutsen da aka kulle.
Maɓalli na keɓancewa da muke turawa akai-akai:
- Ajin jujjuya motoci: Matsayin insulation H-class, haɓaka zuwa C-class don> 200°C aikace-aikacen yanayi
- Abun da ba a so: Aluminum gami (misali), bakin karfe 316 (Cloride muhalli), ko Grade 7 titanium (H₂ S + high gudun)
- Gudanar da dubawa: RS-485 Modbus RTU pre-wired, 4-20mA analog feedback, ko hardwired gaggawa tasha hadewa.
- Iyakar takaddun shaida: Dual-certified ga duka GB 3836 da ATEX 2014/34/EU-tabbatar ta CNEX da SGS
Babu hukunci na lokacin da ya dace. Layin samar da kayan mu na zamani yana riƙe da firam ɗin mota 12, ƙirar simintin gyare-gyare 8, da bambance-bambancen gidaje 5-duk an riga an gwada su kuma an rubuta su. Takaddun bayanai na al'ada suna kulle kafin fara injin, ba bayan taro ba.
Aiki na Gaskiya yana farawa Kafin Shigarwa
Bayarwa bai ƙare ba. Mun bi diddigin batutuwan shigarwa bayan shigarwa a cikin shafuka 41: 62% an gano su zuwa ƙasa mara kyau, 23% zuwa ƙananan igiyoyin samar da kayayyaki, da 15% zuwa toshewar shigarwar da ke haifar da ƙarancin ƙirar canjin bututu. Shi ya sa kowane oda ya haɗa da tallafin injiniyan aikace-aikacen kyauta-ba kawai littattafan PDF ba. Ƙungiyarmu tana duba ɓangaren giciyen ramin ku, abubuwan da ake tsammani gas, kwanciyar hankali na tushen wutar lantarki, da iyakokin samun damar kiyayewa. Muna yin ƙirar lalatawar iska a cikin mita 200+ na ductwork da faɗuwar ƙarfin tuta kafin ku yanke kankare.
Zibo Hongcheng Fan Co., Ltd. yana gina waɗannan raka'a a cikin 9,000 m² Zibo Blower Industrial Park kayan aiki - inda kowane fanni yana jurewa sa'o'i 72 na ci gaba da gwajin lodi a cikakken matsi mai ƙima, sannan na'urar daukar hoto na thermographic da ma'aunin fitarwa na yanki. Kuna samun sa hannun rahoton gwaji, ba sitika na satifiket ba. Domin lokacin da maida hankali na methane ya kai 4.3%, abin da ke da mahimmanci ba aikin takarda ba ne - shine ko mai son ya ci gaba da juyawa.
Ga injiniyoyin da ke ƙayyadaddun tsarin fan na ramin da ke tabbatar da fashewa, tambayar ba "Wace iri ba ce?" "Wane abokin tarayya ya fahimci cewa gazawar samun iska ba lokaci ba ne - haɗari ne." Wannan fahimtar tana rayuwa a cikin juriyar juzu'in walda, ƙarfin wutar lantarki mai jujjuyawa, da ikon mai fasaha don tabbatar da ci gaban ƙasa. Daga nan ne aminci ya fara farawa—kuma inda ba zai taɓa ƙarewa ba.
