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压滤机泵的叶轮怎么拆

date.png 2020-03-31 16:42:14

压滤机入料泵叶轮分一级叶轮、二级叶轮、副叶轮,其中一二级叶轮起导流保送液体作用,副叶轮主起来密封密封作用。一二级叶轮长期运用形成磨损,影响泵的效率,需改换新件,副叶轮磨损少运用寿命长,通常不需求改换。


压滤机入料泵叶轮


在呈现以下几种状况下之一,应改换新的叶轮:


一、叶轮开裂或外表呈现裂纹。


二、叶轮外表因腐蚀、浸蚀或汽蚀而构成较多的孔眼。


三、叶轮的口环轮毂发作较严重的偏磨现象,无修复价值者。


四、叶轮盖板及叶片等变薄,影响了机械强度。


在新叶轮买来后,先要检查叶轮的外观,能否平整、能否有砂眼、裂痕等,确保新叶轮无质量问题的。其次要停止动均衡实验,保证叶轮改换后不会呈现转偏,泵不会呈现震动严重。由于客户普通都不会装备的实验设备,所以的叶轮配件在出厂时曾经做过均衡实验,保证客户装上后能正常运转。


改换叶轮首先要拆泵,卸下损坏的老叶轮。这里应该留意的一点是,压滤机泵叶轮固定在泵轴上采用的反丝,即与水泵转动的方向相反,这样的益处是越转越紧,拆卸和装置叶轮的时分一定要依照正确的方向操作


he impeller of the feed pump of the filter press is divided into primary impeller, secondary impeller and auxiliary impeller, among which the primary and secondary impeller play the role of guiding and conveying liquid, and the auxiliary impeller plays the role of sealing. The wear of primary and secondary impellers is caused by long-term use, which affects the efficiency of the pump. It is necessary to change new parts. The wear of secondary impellers is less and the service life is long, which usually does not need to change.






Filter press feed pump impeller






Under one of the following conditions, a new impeller shall be replaced:






1、 Impeller cracks or cracks on the surface.






2、 There are many holes on the impeller surface due to corrosion, erosion or cavitation.






3、 Impeller's mouth ring hub has serious eccentric wear phenomenon, which has no repair value.






4、 The thickness of impeller cover plate and blade affects the mechanical strength.






















After the new impeller is bought, first check the appearance of the impeller, whether it is flat, whether there are sand holes, cracks, etc., to ensure that the new impeller has no quality problems. Secondly, the dynamic balance experiment should be stopped to ensure that the impeller will not show deflection after changing and the pump will not show serious vibration. Since the customers are not equipped with professional experimental equipment, the impeller parts have done equilibrium experiments before leaving the factory to ensure the normal operation of the customers after installation.






To change the impeller, first remove the pump and remove the damaged old impeller. It should be noted that the reverse thread used to fix the filter press pump impeller on the pump shaft is opposite to the rotation direction of the water pump. The benefit is that the rotation is more and more tight. When disassembling and installing the impeller, it must be operated in the correct direction


联系方式

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联系人

徐经理

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电话

0312-3426976

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手机

13932271419

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QQ

632469545

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邮箱

632469545@qq.com

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地址

河北安国市石佛镇路景工业园区景旺路8号

 
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