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A centrifugal pump
is one kind of pumps which is quite useful in our daily life. It is a machine for moving a liquid, such as water, by accelerating it radially outward in an impeller to a surrounding volute casing. They are commonly used to move liquids through a piping system.
It can convert the input power to kinetic energy. Fluid enters the pump through the eye of the impeller which rotates at high speed. The fluid is accelerated radially outward from the pump chasing. A vacuum is created at the impellers eye that continuously draws more fluid into the pump.
Centrifugal pumps will fail despite of all the care in operation and maintenance. That is to say, these pumps can no long be kept in services. Reasons that cause the failure of these products are various. One of the most common conditions is that they are not able to deliver the desired flow and head. There are still many other conditions under which the centrifugal pumps are considered to have failed. For example, there are many problems which are related with seals such as the leakages, loss of flushing, cooling, quenching systems, etc. For another example, there are many other problems that are related with pump and motor bearings such as the loss of lubrication, cooling, contamination of oil, abnormal noise and so on.
When centrifugal pump
ail, it is rather important to find out the root causes of the product failure. Therefore, if centrifugal pumps are not in good status, you should figure out whether the pump has failed mechanically or if there is some process deficiency, or both. There are mainly three types of problems mostly encountered with centrifugal pumps: design errors poor operation poor maintenance practices. Although centrifugal pump
may also fail when you do maintenance, it is also quite necessary for you to do this because proper and careful maintenance can prevent centrifugal pumps from early failure. Also, in case of any mechanical failure or physical damage of pump internals, the operating engineer should be able to relate the failure to the process unit's operating problems.
All in all, like many other machines, there are many problems which can lead to the failure of the centrifugal pump
. If you want to keep them in good conditions, you should learn things about them comprehensively except for the maintenance.
