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Ndi zinthu ziti zofunika pakusankha mine axial flow fan?

Nkhani

 Ndi zinthu ziti zofunika pakusankha mine axial flow fan? 

2026-03-12

Chofunikira pakusankha mafani a migodi ndi kuchuluka kwa mpweya, kuthamanga kwa mpweya, kusaphulika, kuchita bwino kwambiri, kuchepetsedwa kwa chitetezo, kubwezeretsa mpweya wabwino, komanso kufananiza kuzungulira kwa momwe mgodi umagwirira ntchito.
1. Magawo apakati (ayenera kuwerengedwa)
1. Kuthamanga kwanga kwa axial fan mpweya wokwanira Q (m³/mphindi kapena m³/h)

Mawerengedwe a mpweya wofunikira wa mgodi (kuphatikiza ogwira ntchito, gasi, fumbi, kuphulika, zida zamagetsi ndi zamakina, ndi zina zotero) malinga ndi “MT/T 634—2019”.
Zofunikira pakusankha:
Mpweya waukulu: Voliyumu ya mpweya ≥ Kuchuluka kwa mpweya wofunikira wa mgodi × (1.05 - 1.1) (kutayikira, malire osungira).
Mpweya wam'deralo: Voliyumu ya mpweya ≥ Kuwerengera kuchuluka kwa mpweya wa nkhope yakukumba × 1.1.
Kuphimba nthawi yonseyi: nthawi yopumira mosavuta, nthawi yovuta, nthawi yoyambira kufika pakupanga, ndikuwonjezera pambuyo pake.
2. Kuthamanga kwa axial flow fan mpweya P (Pa, kuthamanga kwathunthu)
Maziko owerengera: Kukana kwathunthu kwa mpweya wabwino wa mgodi (kukana kwa mikangano + kukana kwanuko) + mphamvu yamphamvu yamphepo yachilengedwe.
Zofunikira pakusankha:
Mpweya waukulu: Kuyesedwa kwa mphamvu zonse ≥ Kuchuluka kwa mpweya wabwino × (1.3 - 1.35) (tenga malire apamwamba a migodi yotsutsa kwambiri).
Mpweya wolowera m'deralo: Kuyesedwa kwathunthu ≥ Kukana kwathunthu kwa njira ya mpweya × 1.2.
Kufanana kwa Axial / centrifugal:
Kukana kochepa (<1500 Pa), mpweya waukulu wa mpweya: Mtundu wa Axial flow (choyambirira kwa inter-shaft axial flow).
Kukana kwakukulu (> 3000 Pa), mgodi wakuya: Mtundu wa Centrifugal.
Kukana kwapakatikati, njira yovuta ya mpweya: Mitundu yosakanikirana yotuluka.
3. Kuthamanga kwanga kwa axial fan kuchita bwino η
Kuchita bwino kwambiri kwa mpweya wabwino kwambiri ≥ 70%, ndipo malo ogwirira ntchito ayenera kukhala m'malo ochita bwino kwambiri.
Ikani patsogolo mitundu yogwiritsa ntchito mphamvu (monga inter-shaft axial flow, variable frequency speed regulation).
4. Mphamvu ya fan ya axial flow N (kW)
Kuwerengeredwa kutengera kuchuluka kwa mpweya, kuthamanga kwa mpweya, ndi mphamvu: N=
60 × 1000 × η Machine
×η Kutumiza
Chonde perekani mawu omwe akuyenera kumasuliridwa molondola komanso bwino
Q×P
Chonde perekani mawu omwe akuyenera kumasuliridwa molondola komanso bwino

Mphamvu zamagalimoto ziyenera kukhala ndi malire a 10% - 15%, ndipo ma motor frequency mosiyanasiyana (wopulumutsa mphamvu ndi osinthika mwachangu) ayenera kukondedwa.
Mafani akulu akulu amatha kukhala ndi ma mota apawiri / ma synchronous motors.
II. Chitetezo ndi Zoletsa Kuphulika (Zovomerezeka)
1. Gawo losaphulika (lovomerezeka ku migodi ya malasha)
Migodi ya gasi: ExdⅠ (mtundu wa mgodi wosaphulika).
Migodi yayikulu ya gasi / yophulika: ExdⅠMb, yokhala ndi zotchingira zotsutsana ndi ma static komanso mawonekedwe opanda spark.
Zigawo zonse za mota, zowongolera zamagetsi, ndi bokosi lolumikizirana ndizosaphulika. Zida zosaphulika ndizoletsedwa kulowa mumgodi.
2. Kuchepetsa chitetezo (kofunikira kwa ma ventilators akulu)
Ma seti awiri a ma ventilator okhala ndi mphamvu yofanana amaperekedwa pa shaft iliyonse yamphepo (imodzi yogwiritsidwa ntchito ndi imodzi ngati zosunga zobwezeretsera), yokhala ndi mtundu womwewo komanso mawonekedwe.
Makina osunga zobwezeretsera amayamba mkati mwa mphindi 10.
Magulu am'deralo / othandizira mpweya sayenera kugwiritsidwa ntchito ngati ma ventilators akulu.
3. Kuthekera kwa mpweya wabwino (kuvomerezedwa)
Chipangizo chosinthira mpweya chiyenera kukhazikitsidwa, ndipo komwe mphepo ikupita imatha kusinthidwa mkati mwa mphindi 10.
Mpweya wobwerera m'mbuyo uyenera kukhala ≥ 40% wa voliyumu wamba.
4. "Zapadera Zitatu ndi Maloko Awiri" a ma ventilator am'deralo
Ma transfoma apadera, masiwichi apadera, zingwe zapadera; mphepo mphamvu loko, mpweya mphamvu loko.
Mpweya wa mpweya: woletsa moto, wotsutsa-static, ndi kutayikira ≤ 5%.
III. Mgodi wa Axial Flow Fan Mgodi Wogwirira Ntchito ndi Zachilengedwe
1. Kufananiza kwathunthu kwa mgodi
Kuphimba kuchuluka kwa mpweya / kusintha kwa mpweya wa mulingo woyamba, wachiwiri, ndi gawo lokulitsa.
Kusiyana kwa mabowo ofanana ndi kukula kwakukulu, ndipo moyo wautumiki ndi wautali. Sankhani mtundu mu magawo.
2. Mphamvu ya mphepo yachilengedwe
Ngati kuya kwa chitsime ndi> 400m kapena kusiyana kwa kutalika kwa chitsime ndi> 150m, phatikizani mphamvu yachilengedwe ya mphepo (±).
3. Kusinthasintha kwa chilengedwe
Fumbi lalitali: zolumikizira zosamva kuvala, zosindikizira zosagwira fumbi.
Chinyezi / zowononga: zokutira zotsutsana ndi dzimbiri, zida zachitsulo zosapanga dzimbiri.
Phokoso: kapangidwe kaphokoso kakang'ono, muffler, mogwirizana ndi miyezo yaukhondo yamafakitale.
IV. Mfundo Zosankha ndi Masitepe
Werengani kuchuluka kwa mpweya wofunikira: werengera kuchuluka kwa mpweya wonse malinga ndi MT/T 634—2019, kuphatikiza malire.
Werengetsani kukana kwathunthu: kuwerengera kukana kwakukulu mu nthawi yosavuta / yovuta mpweya wabwino, kuphatikiza malire.
Sankhani mtundu: kutuluka kwa axial (kuchuluka kwa mpweya, kutsika kochepa), centrifugal (kukana kwakukulu), kutuluka kosakanikirana (kukana kwapakatikati).
Yang'anani njira yoyendetsera ntchito: malo ogwirira ntchito ayenera kugwera m'dera loyenera, kusiya malire a 5 ° kwa axial flow blade angle, ndipo liwiro la centrifugal liyenera kukhala ≤ 90% ya liwiro lalikulu.
Sankhani injini: kusaphulika, kufananiza mphamvu, kusinthasintha pafupipafupi.
Chitsimikizo chachitetezo: kubwezeretsanso mpweya wabwino, zosunga zobwezeretsera, zapadera zitatu ndi loko ziwiri, chiphaso chotsimikizira kuphulika.
Kuyerekeza kwaukadaulo ndi zachuma: kugwiritsa ntchito mphamvu, kugwiritsa ntchito mphamvu, kukonza, komanso moyo wautali zimakonzedwa bwino.

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