Page 3 - pump maintenance

As an industrial plant operator, you know that noisy water pumps can cause a whole host of problems. From disrupting the work environment to indicating potential malfunctions, it's essential to address any loud pump noises as soon as possible. But how do you go about quieting these essential machines? In this article, we'll share our expert tips for reducing pump noise and ensuring your plant runs as smoothly as possible.

What causes a noisy water pump?

As industrial plant operators, you know the...

Pump vibration analysis is a crucial aspect of effective maintenance for industrial pumps. Vibrations can indicate wear and tear, alignment issues, and other potential problems that, if left untreated, can lead to costly downtime and repairs. As plant engineers and pump maintenance technicians, it's essential to understand the importance of pump vibration analysis and how it can help you identify and address issues before they become major problems. In this article, we'll explore the basics of pump...

As a result of conservative engineering practices, pumps are often substantially larger than they need to be for an industrial plant’s process requirements. Centrifugal pumps can often be oversized because of  “rounding up,” trying to accommodate gradual increases in pipe surface roughness and flow resistance over time, or anticipating future plant capacity expansions. In addition, the plant’s pumping requirements might not have been clearly defined during the design phase.

Because of this conservative...

A pump’s efficiency can degrade as much as 10% to 25% before it is replaced, according to a study of industrial facilities commissioned by the U.S. Department of Energy (DOE), and efficiencies of 50% to 60% or lower are quite common. However, because these inefficiencies are not readily apparent, opportunities to save energy by repairing or replacing components and optimizing systems are often overlooked.

Define Pumping System Efficiency

System efficiency incorporates the efficiencies of the pump,...

Understanding Your Pumping System Requirements 

Pumps transfer liquids from one point to another by converting mechanical energy from a rotating impeller into pressure energy (head). The pressure applied to the liquid forces the fluid to flow at the required rate and to overcome friction (or head) losses in piping, valves, fittings, and process equipment. The pumping system designer must consider fluid properties, determine end use requirements, and understand environmental conditions. Pumping applications...

When multiple pumps operate continuously as part of a parallel pumping system, there can be opportunities for significant energy savings. For example, lead and spare (or lag) pumps are frequently operated together when a single pump could meet process flow rate requirements. This can result from a common misconception—that operating two identical pumps in parallel doubles the flow rate. Although parallel operation does increase the flow rate, it also causes greater fluid friction losses, results in a...

In the United States, more than 2.4 million pumps, which consume more than 142 billion kWh annually, are used in industrial manufacturing processes. At an electricity cost of 5 cents per kWh, energy used for fluids transport costs more than $7.1 billion per year. Even one pump can consume substantial energy. A continuously operated centrifugal pump driven by a fully loaded 100-horsepower motor requires 726,000 kWh per year. This costs more than $36,000, assuming average electricity costs of 5 cents...