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        FFU空氣凈化風機風機運轉中故障產生的原因
        點擊:次 上傳更新:2018年05月23日

        1、FFU空氣凈化風機震動劇烈


        風機軸與電機軸不同心。


        基礎或整體支架的剛度不夠。


        葉輪螺栓或鉚釘松動及葉輪變形。


        葉輪軸盤孔與軸配合松動。


        機殼、軸承座與支架,軸承座與軸承蓋等聯接螺栓松動。


        葉片有積灰、污垢、葉片磨損、葉輪變形軸彎曲使轉子產生不平衡。


        風機進、出口管道安裝不良,產生共振。


        2、軸承升溫過高


        軸承箱振動劇烈


        潤滑脂或油質量不良、變質和含有灰塵、沙粒、污垢等雜質或充填量不當。


        軸與滾動軸承安裝歪斜,前后兩軸承不同心。


        滾動軸承外圈轉動。(和軸承箱摩擦)。


        滾動軸承內圈相對主軸轉動(即跑內圈和主軸摩擦)


        滾動軸承損壞或軸彎曲。


        冷卻水過少或中斷(對于要求水冷卻軸承的風機)。


        3、機殼或進風口與葉輪摩擦

        4、電動機電流過大或溫升過高


        啟動時,調節門或出氣管道內閘門未關嚴。


        電動機輸入電壓低或電源單相斷電。


        風機輸送介質的溫度過低(即氣體密度過大),造成電機超負荷。


        系統性能與風機性能不匹配。系統阻力小,而留的富裕量大,造成風機運行在低壓力大流量區域。

        FFU空氣凈化風機風機運轉中故障產生的原因

        1, FFU air purifying fan vibrates violently


        The wind shaft is not the same as the motor axis.


        The stiffness of the base or the whole bracket is not enough.


        The loosening of the impeller bolts or rivets and the deformation of the impeller.


        The impeller shaft disc hole is loosened with the shaft.


        The bolts of the housing, the bearing seat and the bracket, the bearing seat and the bearing cap are loosened.


        The blades are ash accumulated, fouling, blade wear, and the deformation of the impeller shaft causes the rotor to be unbalanced.


        The installation of the inlet and outlet pipes of the fan is poor, resulting in resonance.


        2. The heating of the bearing is too high


        Vibration of bearing box


        The grease or oil is of poor quality, deteriorated and contains impurities such as dust, sand and dirt.


        The shaft and the rolling bearing are installed skew, and the two bearings are not concentric.


        The rolling bearing is rotated in the outer ring. (friction with the bearing box).


        The inner ring of the rolling bearing rotates relative to the spindle (i.e. running the inner ring and the main shaft).


        The rolling bearing is damaged or the shaft is bent.


        The cooling water is too little or interrupted (for fans requiring water cooling bearings).


        3, the friction between the casing or the inlet of the air inlet and the impeller

        4. The electric current is too large or the temperature rises too high


        When starting, the gate in the adjusting door or outlet pipe is not closed.


        Low input voltage of motor or single phase power failure of power supply.


        The temperature of fan transmission medium is too low (that is, gas density is too large), resulting in overload of motor.


        The performance of the system does not match the performance of the fan. The resistance of the system is small, and the amount of money left is large, causing the fan to run in low pressure and large flow area.


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