Na’urorin da ke ba da iska na ma’adanin ƙarfe ba kayan aiki ne kawai ba—su ne layin farko na kariya daga shaƙa, fashewa, da damuwa mai zafi. A cikin ayyuka na zahiri, mun ga gazawar samun iska yana haifar da ɓarkewar gaggawa-ba don magoya baya sun karye ba, amma saboda an fayyace su don tarin methane, lodin ƙura, ko bambancin matsa lamba na kwatsam. Wani abin da ya faru a shekara ta 2023 a cikin mahakar ma'adinai na Shandong ya tabbatar da hakan: asalin fan na axial ya sadu da maƙasudin ƙarar iska akan takarda amma ba zai iya ɗaukar matsa lamba sama da 1,800 Pa lokacin da juriyar tacewa ta karu da 40% bayan awanni 72 na ci gaba da aiki. Shi ke nan amintacce ya daina zama mai tunani.
Me yasa "Iskar iska kawai" Shine zato mai haɗari
Ma'adinan ƙarfe na ƙarƙashin ƙasa suna buƙatar fiye da fitarwa mai girma. Suna buƙatar amsa mai ƙarfi, daidaiton tsari a ƙarƙashin rawar jiki, da rashin aminci a cikin yanayi masu fashewa. Jerin FBD (dⅠ) mai tabbatar da fashewar matsa lamba- allura mai jujjuyawa axial kwarara na iska - wanda aka yi amfani da shi a sama da ma'adinan dutse 37 a fadin China da kudu maso gabashin Asiya - an kera shi musamman don rufe wannan gibin. Motarsa mai dual-motor, ƙirar jujjuyawar juyi yana ba da 22-28% mafi girman ingancin matsi fiye da raka'o'in axial mai mataki-ɗaya a shigar da wutar lantarki iri ɗaya. Mafi mahimmanci, Class I, Division 1 takaddun shaida mai tabbatar da fashewar ba a rufe shi - an gina shi a cikin juzu'i na mahalli na mota, ƙirar shingen shaft, da tsarin simintin simintin gyare-gyare.
Amma aikin ba kawai game da ƙayyadaddun bayanai ba ne. Yana da game da abin da ke faruwa lokacin da zafin jiki na yanayi ya kai 52 ° C, dangi zafi ya haura sama da 95%, kuma ƙurar silica ya wuce 8 mg/m³. Daidaitaccen fan bearings kama. Belt drives zamewa. Motoci suna raguwa. Shi ya sa dole ne zaɓin na'urar bututun ma'adinan ƙarfe ya fara da taswirar muhalli-ba binciken katalogi ba. Mun lura da abokan ciniki sun yanke lokacin ƙaddamar da 60% lokacin da suka raba rahotannin binciken iskar gas da kuma jadawalin jigilar tama na yau da kullun kafin kammala zaɓin fan. Bayanai na ainihi suna juyar da zato na asali kowane lokaci.
Abubuwa Uku Marasa Tattaunawa a cikin Ƙarfe na Ƙarfe na Ƙarfe
- Mutuncin da ke hana fashewa dole ne ya wuce motar. Magoya bayan da aka ƙima don mahalli na Yanki 1 har yanzu suna kasawa idan mashigar mashigar ba ta da ci gaba ko kuma idan masu yin shuru sun ƙunshi na'urori marasa garkuwa. Jerin FBD yana haɗe ƙwararrun madauri na ƙasa kai tsaye cikin flange mai hawa-babu sake fasalin filin da ake buƙata.
- Karɓar ƙura ba na zaɓi ba - yana da tarawa. Mai fan da ke isar da 12,000 m³/h a farawa yana raguwa zuwa 9,300 m³/h bayan kwanaki 14 ba tare da kulawa ba idan tacewa mai shiga bai isa ba. Magoya bayan Titanium-wanda aka ƙera don ɓarna mai ƙarfi, yankuna masu ɓarna - kiyaye> 94% na ƙimar iskar iska a tazara na kwanaki 30 ba tare da tsaftacewa ba.
- Sarrafa abubuwan amsawa a ƙarƙashin ƙasa. Matsalolin mitar mitar (VFDs) dole ne su amsa a cikin daƙiƙa 1.2 zuwa abubuwan firikwensin CO. Raka'a tare da madaukai masu sarrafawa na analog-kawai suna ƙara daƙiƙa 4-7 na jinkiri-isashen lokaci don tattarawar methane don ketare madaidaicin 5% LEL a cikin ƙayyadaddun tasha.
Lokacin Kashe-Shelf Bai Isa Lafiya ba
Wasu na iya jayayya cewa daidaitattun masu sha'awar masana'antu suna aiki lafiya tare da ƙarin na'urorin haɗi. Koyaya, ƙara abubuwan da ke tabbatar da fashewa na waje zuwa babban maƙasudin axial fan yana haifar da ƙorafin zafi, yana rage damar sabis, kuma ya ɓarna takaddun takaddun kayan aiki na asali. Mafi muni, yana gabatar da sabbin maki gazawa: asarar matsawa ta gasket, lalata hatimin magudanar ruwa, da gajiyawar wayoyi da ke haifar da girgiza. Keɓancewa ba game da alatu ba - game da kawar da musaya ne inda haɗarin ke tattare da haɗari.
Zibo Hongcheng Fan Co., Ltd. ya gina wannan ka'ida cikin aikin sa. Lokacin da ma'adinan tagulla a Yunnan na buƙatar fanka mai ƙarfin 3,200 Pa a tsaye matsa lamba a 8,500 m³/h yayin da yake ci gaba da aiki a yanayin zafi na 75°C, injiniyoyi ba su canza samfurin da ke akwai ba. Sun sake yin jujjuya bayanan martaba a cikin ANSYS CFX, zaɓi Inconel 625 don wuraren rotor, da ingantattun juriyar haɓakar zafi a cikin gwaje-gwajen ƙona sa'o'i 120. Sakamakon? A unit certified to GB 3836.1–2021 and ISO 8573–1 Class 2 for particulate contamination—delivered in 11 weeks, not six months.
Abin da ke zuwa Bayan Daftari ya fi Muhimmanci
Ƙarfe na ƙarfe na ƙarfe ba ya samun darajarsa a lokacin shigarwa-yana tabbatar da kansa a lokacin sauyin yanayi na uku na mako 17. Wannan shine lokacin da jigon jita-jita ya nuna rashin daidaituwa, lokacin da yanayin yanayin zafi ya nuna rashin daidaituwa na lubrication, kuma lokacin da basirar sarrafawa ta fallasa matsalolin firmware. Zibo Hongcheng Fan Co., Ltd. ya haɗa da shirye-shiryen bincike mai nisa a cikin dukkan sassan FBD da titanium-jerin raka'a: Tallafin Modbus TCP, na'urori masu auna zafin jiki / matsa lamba / rawar jiki, da masu sarrafa dabaru na firmware. Masu fasaha na filin ba sa jira lalacewa - suna ganin rarrabuwa a karuwar girman 3%, ba 30% ba.
Sabis ba ya amsawa. Yana da tsinkaya. Tawagar aikin injiniyan aikace-aikacen su suna duba tsarin tsarin iskar gas na ma'adanan kafin isarwa-ba don tayar da hankali ba, amma don nuna rashin daidaiton tsayin daka, hargitsin gwiwar hannu, ko gyare-gyare na tushen girma wanda ke canza buƙatun ƙarfin doki har zuwa 11%. Wannan hankali yana hana sake fasalin filin mai tsada kuma yana kiyaye hanyoyin iska suna bin ka'idojin aminci na AQ 2013-2018 na kasar Sin.
Amintaccen iska mai mahimmanci ba shi da wurin daidaitawa. Kowane mai hura ma'adinan karfe dole ne ya amsa tambayoyi uku kafin a tura shi: Shin yana tsira daga muhalli? Shin yana amsa alamun barazanar da sauri fiye da lokacin amsawar ɗan adam? Shin tsarin tsarinta yana goyan bayan yanayin gazawa-ba kawai rubuta su ba? Zibo Hongcheng Fan Co., Ltd. ya amsa e-ba kamar yadda da'awar tallace-tallace ba, amma azaman rahoton gwaji, rajistan ayyukan filin, da bayanan duba na ɓangare na uku. Domin a karkashin kasa, ba a auna iskar da ke cikin mita cubic a minti daya. Ana auna shi a cikin rayuwar da aka dawwama, an kammala canje-canje, da kuma guje wa abubuwan gaggawa.
