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搪瓷反應釜攪拌軸減振原理

來(lái)源: 時(shí)間:2012-10-25 13:54:25 瀏覽次數:

攪拌器在運轉中往往有振動(dòng),這種振動(dòng)除與攪拌器本身的形狀、尺寸、變形有關(guān)外,還與反應釜的形狀、尺寸、釜內各種裝置及釜內液體的運動(dòng)有關(guān),其中關(guān)系最大的是攪拌器的漿葉和液體介質(zhì)之間的相對運動(dòng)而產(chǎn)生的渦流。
攪拌器在運轉中往往有振動(dòng),這種振動(dòng)除與攪拌器本身的形狀、尺寸、變形有關(guān)外,還與反應釜的形狀、尺寸、釜內各種裝置及釜內液體的運動(dòng)有關(guān),其中關(guān)系的是攪拌器的漿葉和液體介質(zhì)之間的相對運動(dòng)而產(chǎn)生的渦流。由渦流而產(chǎn)生的流體力便成了周期性的外力。這個(gè)外力能引起攪拌器的振動(dòng)或共振。為了減輕攪拌器的振動(dòng),用一種裝在攪拌軸上的穩定裝置(/1)這種穩定裝置片葉的徑向尺寸w比軸向尺寸H小,它處于釜中液體中心的“園柱狀回轉區”內。穩定裝置和周?chē)囊后w共同旋轉而幾乎不消耗功率,但能在攪拌器易振動(dòng)的方向起到足夠的阻尼作用,并使轉動(dòng)件周?chē)后w的湍流小,從而起到防振、減振作用。
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北京 江蘇 山東 天津 浙江
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