There are several forms of centrifugal pump impeller
Release time:
2023-09-05
As we all know, the impeller style of centrifugal pump is also diversified. If it can be directly divided into three kinds according to its appearance, there are several kinds of impeller forms of centrifugal pump?
As we all know, the impeller style of centrifugal pump is also diversified. If it can be directly divided into three kinds according to its appearance, there are several kinds of impeller forms of centrifugal pump?
There are several forms of 1. centrifugal pump impeller
It is composed of blades, front cover plate, rear cover plate and hub, and is a closed impeller. Semi-open impeller and open impeller three.
1. Closed impeller: refers to the runner is relatively closed, and the front cover plate, rear cover plate and blades form a closed runner. It is suitable for conveying high and clean liquid. The closed impeller has two structures: single suction impeller and double suction impeller.
2. Semi-open impeller: refers to the impeller runner is semi-closed, and the closed impeller has no front cover, and is used to transport liquid containing solid particles or impurities.
3. Impeller without front and rear cover plates: called open impeller, conveying slurry or fibrous medium.
2. Centrifugal Pump Operation Precautions
1. Do not run without water, cannot adjust the suction port to reduce the displacement, and do not run at too low a flow rate.
2. Monitor the operation process, completely prevent the leakage of the stuffing box, and use new packing when replacing the stuffing box.
3. Ensure that the mechanical seal has enough flushing water flow, and the water-cooled bearing prohibits excessive water flow.
4, do not use too much lubricant can be.
5. Check according to the cycle and establish operation records, including operation time, adjustment and replacement of packing, addition of lubricant and other maintenance measures and time. The suction and discharge pressure, flow rate, input power, washing liquid and bearing temperature and vibration of the centrifugal pump shall be measured and recorded regularly.
6. The centrifugal pump host pumps water from a lower place to a higher place by atmospheric pressure, while the atmospheric pressure can only support about 10.3 meters of water column, so the centrifugal pump host cannot work at a position 12 meters away from the water surface.
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