Tsarukan kawar da ƙurar ma'adinan kwal ba ƙari ba ne na zaɓi - su ne kariya ta gaba daga cututtukan numfashi, haɗarin fashewa, da lokacin samarwa. A cikin ayyuka na zahiri na duniya a fadin Shandong, Shanxi, da Mongoliya na ciki, mun ga gazawar samun iska ta haifar da tsayawar da ba a shirya ba cikin sa'o'i 72. Tara kura akan iskar mota? An tabbatar da aikewa da fuska uku na kwal a bara. Rashin daidaituwar fan bayan watanni shida na ci gaba da aiki? Batu mai maimaitawa-har sai masu aiki sun canza zuwa ginanniyar manufa, madaidaitan raka'a tare da hadedde ƙura mai hatimi.
Me yasa Standard Fans Fassara Karkashin Kasa
Babban maƙasudin axial fan yana motsa iska. A kwalba na na cire motar ras yana motsa iska *lokacin da ake raye* ɓarna mai ɓarna, matsanancin zafi, yanayi mai ɗauke da methane, da jujjuyawar wutar lantarki gama gari a cikin ma'adanai masu nisa. Yawancin gazawar suna komawa zuwa zato marasa daidaituwa guda uku:
- Zato #1: "Kurar iska ce kawai." Haƙiƙa: Kurar kwal tana ɗaukar cajin tsaye, tana manne da lantarki zuwa saman filaye, kuma tana lalata ruwan aluminium a 0.08 mm / shekara ƙarƙashin ci gaba da kaya.
- Zato #2: "Tsarin fashewa = ƙura mai jurewa." Gaskiya: Ex-d bokan gidan mota yana hana ƙonewa-amma baya hana ƙura daga toshe fins masu sanyaya, yana haɓaka zafin iska da 22°C sama da iyakacin ƙima.
- Zato #3: "Mafi girma CFM ko da yaushe yana nufin mafi kyawun sarrafawa." Haƙiƙa: Rikici, iska mara sharadi yana sake zagayawa ƙura maimakon ɗaukar ta a tushen. Ingantacciyar cirewa yana buƙatar bayanan bayanan saurin da suka dace da ƙirar hood — ba danyen fitarwa ba.
Mun auna wannan da hannu a cikin sake fasalin 2023 a wani rukunin bangon bango na karkashin kasa na Datong. Maye gurbin 30 kW gauraye-ruwa naúrar tare da FBD jerin (dⅠ) counter-juya axial fan yanke respirable kura bayyanar da 64%-ba domin ya motsa fiye da iska, amma saboda ta dual-mataki kwana lankwasa> 18 m / s kama gudun a mashigar goge, kamar yadda tace juriya hawa.
Bukatun ƙira guda huɗu waɗanda ba za a iya sasantawa ba
Ƙayyadaddun a kwalba na na cire motar ras yana nufin ba da fifikon injiniyan da aka tabbatar da filin akan ƙayyadaddun bayanai. Ga abin da ke riƙe a ƙarƙashin ƙasa:
- Ma'auni mai ƙarfi da aka rufe kura: Rotors daidaitawa zuwa G2.5 grade *bayan* cikakken taro-ciki har da garkuwar ƙura da igiyoyi masu haɗaɗɗiya-ba kawai masu motsa jiki ba. Jijjiga mara daidaituwa yana haɓaka lalacewa ta hanyar 3.7 × a cikin mahalli masu ƙura.
- Tsarin tsari mai jurewa lalata: Gidajen ƙarfe na galvanized sun kasa inda H₂S ya hadu da natsuwa. Magoya bayan Titanium suna jure wa bayyanar gas na acid; Karfe mai rufi tare da ƙimar ISO 12944 C5-M yana ɗaukar tsayin 3 × fiye da daidaitaccen fenti a cikin rigar sups.
- Mutuncin da ke tabbatar da fashewa a ƙarƙashin matsin zafi: Motoci dole ne su riƙe takaddun shaida na Ex-d a yanayi na 110°C—na kowa kusa da abubuwan tuƙi. Wannan yana buƙatar insulation Class H * da * akwatunan tashoshi mara ƙarfe don hana yaɗuwar walƙiya ta hanyar hawa.
- Ci gaba da samun damar sabis: Ba a buƙatar ƙwanƙwasa don ɗaukar maye. Masu fasaha na kan layi a Xuzhou sun tabbatar da cewa sun maye gurbin igiyoyin nadi mai jere-biyu a kan na'urar hurawa mai lamba 9-19 a cikin mintuna 47 - ta yin amfani da wrenches guda biyu kawai ba tare da kora ba.
Bayanan Aiwatar da Gaskiya: Abin da ke Aiki A Inda
Babu mafita na duniya. Aikace-aikacen yana ƙaddamar da gine-gine:
- Batun ci gaba: Magoya bayan axial masu jujjuyawa na FBD suna isar da matsa lamba na 12-28 kPa - isa ya tura iska ta hanyar mita 500+ na ducting yayin kiyaye saurin fuska. Tsarin su na motoci biyu yana kawar da zamewar bel kuma yana ba da damar farawa mai tsari don guje wa grid.
- Bunkar kwal & wuraren canja wuri: Magoya bayan centrifugal anti-lalata tare da ruwan wukake mai lankwasa baya suna ɗaukar nauyin 350-450 g/m³ ƙura ba tare da faɗuwar aiki ba. Mun gwada raka'a ɗaya ci gaba har tsawon watanni 14 a gidan wanki na Yanzhou - ingantaccen aiki da ke tsakanin ± 1.3% duk da zagayowar tsaftacewar yau da kullun.
- Tashoshin karkashin kasa: Magoya bayan titanium masu iya fashewa suna yin shiru a 72 dBA-har ma da cikakken kaya. Gine-ginen su wanda ba na maganadisu ba yana kawar da dumama halin yanzu kusa da babban ƙarfin wutan lantarki.
Matsalolin jawo wutar lantarki. Mai fan 45 kW da bai dace ba yana aiki 24/7 yana kashe $18,700 / shekara a cikin wutar lantarki kaɗai (a $0.08/kWh). Dama kwalba na na cire motar ras- an inganta shi don juriya na tsarin, ba fitarwa mafi girma ba - yana yanke hakan da 22-31% ba tare da sadaukar da ingancin kama ba.
Zabar Abokin Hulɗar ku, Ba samfuri kaɗai ba
Kuna buƙatar injiniyan aikace-aikacen-ba katalojin PDF ba. Lokacin da wani abokin ciniki na Heilongjiang ya ba da rahoton fashewa mai maimaitawa a cikin bututun da ke lalata su, ƙungiyarmu ta aika da injiniyan filin tare da šaukuwa vibrometer da barbashi counter. Tushen dalili? Resonance a 1,740 RPM yayi daidai da mitar bugun tukunyar jirgi. Magani: Ƙididdigar ƙwanƙwasa-daidaitacce da ingantaccen cibiya - ana kawowa cikin kwanaki 11.
Zibo Hongcheng Fan Co., Ltd. yana gina kowane kwalba na na cire motar ras a cikin gida-daga madaidaicin kayan aikin titanium impellers zuwa iska mai tabbatar da fashe-a ƙarƙashin ka'idojin dubawa na ISO 9001. Kowace naúrar tana yin gwajin lodi na awoyi 48 tare da yin lodin ƙura na siminti kafin jigilar kaya. Babu kwangilar ƙasa da ƙasa. Babu “misali” sasantawa.
Ingancin iska a ƙarƙashin ƙasa ba game da yarda ba ne - game da ci gaba ne. Bambanci ne tsakanin motsi da ke gudana mai tsabta da wanda ƙararrawar methane mai ƙura ya dakatar da shi. Zaɓi fan ɗin da aka ƙera don gaskiyar ma'adinan-ba alkawarin ƙasidar ba.
