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How to predict and prevent the pump fault (Figure)
Failure of a pump during the refueling process may result in degradation of process performance or even outage of the entire plant and the health and safety of staff will be severely threatened if flammable or hazardous fluids are also involved, At the same time the factory will also face environmental investigations and fines. Even if there is a spare pipe pump, it can not cope with these unexpected sudden failures. In fact, the alarm signal is always there. It only needs to be identified and promptly notified to the relevant staff to take corresponding measures. Therefore, it is very necessary for the key process equipment to automatically monitor the process. For example, the built-in bearings of a high-speed centrifugal pump stuck suddenly at a large refinery a few years ago, resulting in severe production losses and high maintenance costs. Fault reason is due to insufficient bearing oil, bearing temperature is too high. Four months ago we installed Emerson's machine status transmitter for the pump, which can be detected and prevented in advance. When a series of alarms is issued by the auto motor pump monitoring and analysis system, Will be timely access to information. The motor pump is prone to failure, but we can take advantage of the equipment status analysis capabilities to take sufficient time to prevent a major accident a few days before the failure occurs. At that time, the state of the equipment was quickly reduced from 60 to 0 in 10 minutes, so that the factory simply could not take any action to stop the failure. If Emerson's mechanical condition transmitter was used earlier, the result would not be the case. Motor pump groups can be found similar to other pump fault trend template, these templates can be used as automatic vibration analysis system analysis template. Each device requires continuous scanning monitoring to detect bearing misalignments, pump cavitation, and motor electrical problems. The Emerson Intelligent Machine Status Management System combines automatic vibration monitoring with intelligent microprocessor-based instrumentation and advanced software diagnostics and communications to diagnose rotating equipment automatically. Some of the key pumps, due to cost considerations, are not automatically monitored in a wired manner, and Emerson's CSI9420 wireless vibration transmitter and smart wireless network can be used to obtain accurate vibration data. Emerson's wireless solutions expand the capabilities of the PlantWeb digital plant architecture and make it possible to acquire new information and mobile information, improving plant decision-making and operational performance. The Smart Wireless Live Solution wirelessly integrates smart meters into a self-organizing network that automatically adjusts to add or remove devices or obstacles, resulting in over 99% data transfer reliability. Emerson's smart wireless products all meet IEC62591 (WirelessHART) standards. Automatic monitoring of important or critical process pumps allows control room operators and equipment maintenance personnel to be informed of equipment status information in time to prevent possible problems. Therefore, the use of automatic pump monitoring program to avoid running, safety, environmental and other related accidents, effectively improve the operational reliability and profitability of the refinery.