Zabar dama fan guduwa na masana'antu ba game da ɗaukar mafi girma ko mafi girma naúrar ba. Yana da game da dacewa da kwararar iska, matsa lamba, da juriyar muhalli ga tsarin ku-ba yin kashe kuɗi akan ƙayyadaddun ƙididdiga masu yawa, kuma ba ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun lokaci ba da fuskantar raguwar lokaci, zafi mai zafi, ko gazawar aminci. Mun ga shi sau da yawa: tsarin ma'adinai na ma'adinai yana tsayawa saboda an yi kuskuren matsa lamba ta 12%; wani injin sinadari ya maye gurbin magoya baya uku a cikin watanni 18 saboda lalata da aka yi watsi da su a cikin zaɓi; Gidan tukunyar jirgi ya rasa ingancin konewa 8% bayan shigar da fan axial tare da rashin daidaiton farar ruwa da saurin bututu.
Fara da Tsarin-Ba Fan ba
Magoya bayan axial na masana'antu suna matsar da iska daidai da shaft. Wannan sauƙi yana ɓoye rikitarwa. Ayyukan su yana rushewa da sauri lokacin shigar da su ba tare da la'akari da hargitsin mashigai ba, juriyar hanyar fita, ko yanayin yanayi. Kafin ka kwatanta RPM ko motar kW, amsa waɗannan tambayoyin-filaye guda biyar:
- Menene ainihin abin da ake buƙata na matsa lamba? Ba katalogin “iska mai kyauta” masu lankwasa ba — auna juriyar tsarin juriya tare da rufaffiyar dampers, lissafin gwiwar hannu, ɗorawa masu tacewa, da bututu a kwararar ƙira. Ƙimar 500 Pa akan takarda yakan zama 720 Pa a cikin aiki.
- Menene mafi ƙarancin ci gaba da gudanawar iska-kuma a wane zafin jiki, zafi, da ƙayyadaddun kaya? Magoya bayan axial suna sauke ƙarfin 30-40% sama da 60 ° C sai dai idan an ƙididdige ruwan wukake da bearings don shi. A cikin sarrafa kwal, 20 g/m³ ƙura mai ɗaukar nauyi yana buƙatar buƙatun da aka rufe da riguna masu jurewa—ba daidaitaccen fenti ba.
- Akwai hadarin fashewa? A cikin ma'adinan kwal, raka'a dawo da sauran ƙarfi, ko silos ɗin hatsi, "hujjar fashewa" ba na zaɓi ba ne - ba za a iya sasantawa ba. Takaddun shaida dole ne ya dace da rarrabuwar yanki (misali, Ex dⅠ na yankunan karkashin kasa mai arzikin methane), ba kawai alamar gidaje ba.
- Ta yaya samun damar kulawa zai yi tasiri akan lokacin aiki? Mai fan da ke ajiye $1,200 a gaba amma yana buƙatar cikakken rarrabuwar bututun don ɗaukar maye gurbin farashin $18,000/shekara a cikin aiki da asarar samarwa.
- Menene ma'anar "kasa" a aikace-aikacenku? Yana da rawar jiki> 4.5 mm/s RMS? Shin 5% yana raguwa a cikin watanni 12? Shin rashin iyawa ne don sake farawa bayan awanni 48 na jiran aiki? Ƙayyade ma'auni kafin zaɓar.
Kar a Amince da Ƙwararrun Ƙirarriyar Kasidar Shi kaɗai
Mun gwada 14 masana'antu axial kwarara magoya gefe-da-gefe a cikin calibrated dakin gwaji. Duk sun hadu da kwararar iska mai ƙima a matsa lamba na sifili-amma 3 ne kawai aka ba da ≥92% na kwararar kwarara a 400 Pa a tsaye. Me yasa? Dalilai biyu: rashin kyawun kwandishan shigar mashigar da motar da ba a gyara ba a wani ɓangaren kaya. Ƙididdiga na duniyar gaske da wuya suna da madaidaiciya, tsaftataccen mashigai. Idan fan ɗin ku yana zaune kai tsaye a bayan gwiwar gwiwar 90° ko a cikin ƙuƙumi, yi tsammanin ƙarancin aiki na 15-25% fiye da waɗanda aka buga. Koyaushe yi amfani da ɓata kashi 20% sai dai idan kun ƙirƙiri tsarin shigar mashiga ko shigar da ingantaccen mazugi.
Hakanan duba share tip ɗin. Tazarar mm 2 akan fan diamita 1,200 mm yana yanke aiki har zuwa 7%. Madaidaicin mashin da aka yi amfani da su da kuma rotors masu daidaita laser ba kayan alatu ba ne - su ne yadda Zibo Hongcheng Fan Co., Ltd. ke kiyaye daidaiton ± 1.5% iska a cikin tsarin jujjuyawar tsarin FBD, koda bayan sa'o'in aiki 10,000.
Kayayyaki da Gina Inganci Yanke Yanke Tsawon Rayuwa-Ba Farashi kawai ba
Fan $2,800 da aka gina tare da gidajen ƙarfe na galvanized, daidaitaccen ruwan ƙarfe-karfe, da injinan IP54 yana ɗaukar shekaru 2-3 a cikin sharar sinadarai na bakin teku. Guda guda ɗaya daga rukunin dala $4,100 tare da ɓangarorin alloy na titanium, casings mai rufin epoxy, da injin fashewar fashewar IP68 ya wuce shekaru 12 a can. Lalata ba ta sanar da kanta ba - yana farawa kamar yadda ido ba zai iya gani ba, sannan yana haɓaka da sauri da zarar ions chloride ya keta ma'aunin.
Matsakaicin daidaita al'amura daidai gwargwado. Rotors marasa daidaituwa suna haifar da gajiya mai ɗaukar nauyi, ƙarar firam, da gazawar hatimin da bai kai ba. A Zibo Hongcheng Fan Co., Ltd., kowane mai rotor axial fan yana jure ma'aunin jirgin sama biyu zuwa G2.5 a kowace ISO 1940 - an tabbatar da gwajin girgiza kai a 110% max gudun. Wannan shine dalilin da ya sa bambance-bambancen axial na tushen su na 9-19 suna riƙe da tsayi a 0.28 mm/s RMS girgiza koda bayan shekaru 5 a cikin layukan sanyaya kiln rotary.
Keɓancewa Ba Abin Luxury ba ne—Haɗari ne
Wasu na iya yin gardama: "Magoya bayan Standard sun fi arha da sauri." Amma lokacin da iskar ramin ku na buƙatar jujjuya juzu'i akan buƙatu, mai goge goge ɗinku yana buƙatar juriya na lalata 100% a 85°C rigar kwan fitila, ko sharar tanderun ku na ƙarfe yana ɗaukar 350°C - ba kwa daidaita tsarin ga fan. Kun saka fan ga tsarin.
Zibo Hongcheng Fan Co., Ltd. yana gina al'ada fan guduwa na masana'antu mafita a cikin makonni 4-6-ba watanni ba-saboda machining, daidaitawa, da gwaji suna faruwa a ƙarƙashin rufin ɗaya. Sun isar da magoya bayan jerin FBD tare da iskar wutar lantarki mai dual-voltage (380V/660V), haɗaɗɗen firikwensin thermal tare da fitowar Modbus RTU, da wuraren tabbatar da fashewa da aka ƙididdige shi don Zone 1 da Zone 21 a lokaci guda - duk ba tare da tsawaita lokacin jagora ba ko lalata takaddun QA.
Dubawa Na Ƙarshe: Tambayi Mai Bayar Ku Waɗannan Tambayoyi Uku
Kafin kammala kowane fan guduwa na masana'antu saya, tambaya:
- "Za ku iya samar da rahotannin gwaji na ɓangare na uku- sa hannu da hatimi-don wannan ainihin ƙirar, a ƙayyadadden matsatsi na da kwarara?"
- "Menene lokacin da aka rubuta tsakanin gazawar (MTBF) don wannan tsarin a cikin aikace-aikacen da suka dace da nawa?"
- "Shin kuna bayar da goyan bayan kwamishinonin kan layi-ciki har da tabbatar da kwararar iska da rikodi na tushen girgiza?"
Idan amsar ta kasance m, jinkiri, ko "za mu duba," tafiya. Ba a siyar da ingantaccen iskar iska—an ƙirƙira shi, an tabbatar da shi, kuma ana tallafawa. A ainihin sa, ingantaccen aiki yana nufin rashin daidaituwa akan aminci, babu ɓoyayyiyar tsadar rayuwa, kuma babu mamaki yayin farawa. Wannan ba talla ba ne. Wannan shine yadda magoya baya ke gudu na tsawon shekaru 15 a cikin ma'adinan iskar gas-kuma har yanzu suna wucewa dubawa.
