推荐回答(3个)
检查密封的泄漏和发热情况,检查轴承、电机的发热情况,机泵运行中有无异常声响和各部位的润滑情况。
离心泵操作时应注意以下几点:
①禁止无水运行,不要调节吸入口来降低排量,禁止在过低的流量下运行;
②监控运行过程,彻底阻止填料箱泄漏,更换填料箱时要用新填料;
③确保机械密封有充分冲洗的水流,水冷轴承禁止使用过量水流;
④润滑剂不要使用过多;
⑤按推荐的周期进行检查。建立运行记录,包括运行小时数,填料的调整和更换,添加润滑剂及其他维护措施和时间。对离心泵抽吸和排放压力,流量,输入功率,洗液和轴承的温度以及振动情况都应该定期测量记录。
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扩展资料
离心泵的基本构造是由六部分组成的分别是叶轮,泵体,泵轴,轴承,密封环,填料函。
1、叶轮是离心泵的核心部分,它转速高出力大,叶轮上的叶片又起到主要作用,叶轮在装配前要通过静平衡实验。叶轮上的内外表面要求光滑,以减少水流的摩擦损失。
2、泵体也称泵壳,它是水泵的主体。起到支撑固定作用,并与安装轴承的托架相连接。
3、泵轴的作用是借联轴器和电动机相连接,将电动机的转矩传给叶轮,所以它是传递机械能的主要部件。
4、滑动轴承使用的是透明油作润滑剂的,加油到油位线。太多油要沿泵轴渗出,太少轴承又要过热烧坏造成事故!在水泵运行过程中轴承的温度最高在85度,一般运行在60度左右。
5、密封环又称减漏环。
6、填料函主要由填料、水封环、填料筒、填料压盖、水封管组成。填料函的作用主要是为了封闭泵壳与泵轴之间的空隙,不让泵内的水流流到外面来也不让外面的空气进入到泵内。
离心泵运行中的检查内容:
1.检查驱动电机的电压、电流,水泵出水压力等参数是否正常,发现异常必须检查原因,必要时停泵检查。
2.检查机组的运行声音、振动情况。
3.检查填料压盖松紧是否适度,滴水是否正常,填料函有无发热现象。
4.检查轴承工作是否正常(油温、油位、油质),有无异常音响。
5.检查电动机绕组温度是否正常,温升是否越过允许值。
6.泵房内有无异味,若发现有焦糊味,必须查看电动机等电器设备是否正常,必要时应停机细查。
7.注意检查水池水位情况,防止泵抽空。
1 听 声音是否正常,有无杂音什么的,
2 看 出入口的压力温度是否在正常值范围内,看有无泄漏
3 摸 冷却水的温度是否正常,有没有堵塞,
4 闻 运行泵周围是否有异味,
5 比 较另一台泵以前的运行状况,看这台泵的情况是否正常
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