The cooling and lubrication of the centrifugal pump bearings is based on the medium being transported, so that idling is absolutely prohibited, avoiding power outages and the middle of the simultaneous work initiated by time and space loading operations. However, there is a technology that can realize the idling of the centrifugal pump, and the utility model not only realizes the idling of the centrifugal pump, but also saves material space and sucks holes, thereby reducing the cost. The bearings of the centrifugal pump that we see every day are basically transmitted to the heat and lubrication by the medium, so it is absolutely forbidden to idle. Shanghai Jia Nai centrifugal pump factory analyzes how to avoid high temperature and high pressure centrifugal pump idling and preventive measures.

1, traffic congestion caused by equipment leakage
Insufficient reason: affecting the centrifugal pump discharge more straw gas leakage, bottom valve leakage; water inlet blockage; bottom valve into the water to try; centrifugal pump speed is too low; seal ring or impeller wear too large; suction height exceeds the standard.

Treatment method: check the suction pipe and the bottom valve, the plug leakage gas source; clean the water inlet of the sludge or plug; the depth of the bottom valve must be greater than 1.5 times the diameter of the inlet pipe, increase the depth of the bottom valve into the water; check the power supply voltage, increase The speed of the centrifugal pump, replace the seal ring or impeller; reduce the installation position of the centrifugal pump, or replace the high lift pump.

Like this situation is the lack of traffic in the centrifugal pump idling. The two filters are directly connected. The first is the filter bag filter, the second stage is the filter cotton core type, and the two matched filter pumps are the same as the power 2.2 kW (3 hp) centrifugal pump. When the filter from the filter of the syrup pump 1 is filtered to 2 filters, the flow rate will be reduced, so the medicinal agent is not enough. 2 Centrifugal pump in the filter, after working for a while, no. The slurry pump will be insufficient due to the flow of no water idling, which was caused by pump damage last fall.

There are two solutions to this situation.

First: No. 2 in the filter centrifugal pump open work, not only from no connection, the liquid is filtered directly. The barrel filter in 1 to 2.

Second: Yes, the two filters directly enter the double-tower filter, and the filter bag filter barrel uses a cotton-core filter barrel with a centrifugal pump.

2, start the centrifugal pump not filled with water, the slurry pump runs
Centrifugal pumps can not be filled with water, be sure to check the centrifugal pump that is filled with water before the centrifugal pump is pumped, and the centrifugal pump will be damaged by water.

3, the shredded card reduces efficiency in the impeller
If the card is stuck in the impeller, it will cause vibration and noise of the centrifugal pump, reduce the working efficiency, and reduce the flow that causes the pump to be damaged due to the idling of the centrifugal pump. Keep awake debris and keep the centrifugal pump running smoothly.

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