Monitor™ Experience

The Monitor™ program has been tried and tested in the field for over 15 years. During that time, it has been continually enhanced to meet the needs of today’s oil industry. 

A recent survey of oil refineries in the United States and Europe revealed a wide variety of methods used to track fouling. These ranged from simple plotting of exchanger pressure drops to a combination of simulation programs, spreadsheets and hand calculations. Most methodologies were time-consuming and inaccurate. Consequently, tracking was not carried out properly and energy saving opportunities were missed.

Monitor™ sites experienced a more consistent quality of data analysis and more meaningful results presentation. The rewards were lower energy usage, higher profitability and more effective and efficient use of staff.

What to do now?

For a brief synopsis of Monitor™  capabilities, look at the Overview.

For a more in-depth description and to find out how Monitor™ use can be an important part of ant-fouling strategies, take the Guided Tour.

Software for Monitoring Heat Exchanger Fouling 

The Monitor™ computer program has been specifically designed to analyse fouling trends in heat exchanger networks

It is a vital weapon in the battle to reduce exchanger fouling costs and maximise profitability

Experience has shown it to be an ideal tool for monitoring heat exchanger network fouling and making the right decisions for increased profitability. Monitor™ users waste less time and produce more consistent and reliable results; they also free staff for more useful and profitable activities.

The Challenge  Heat exchanger fouling has a direct impact on bottom line profitability. The immediate result is higher operating costs and lower throughput. The range of remedies is well known: add chemicals; change splitter ratios; or remove exchangers for cleaning. Choosing the right remedy at the right time is the challenge. Monitor™ technology, with its rigorous thermodynamics, industry standard heat transfer correlations and time-line trend analysis, helps you make that choice.

The Solution  A Monitor™ analysis of network data provides reliable and consistent information about fouling trends and identifies the sources of fouling. Monitor™ calculations expose the extent of fouling of a network, identify which exchangers are affected and predict the benefits of remedial action. The unique The Monitor™  Normalisation technique isolates true trends due only to changing fouling resistances from those caused by external factors, such as changing feed sources, product slates and ambient conditions.

 

Features Checklist

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Graphical PFD design

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Flexible data input

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Different types of fluid

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Rigorous thermodynamics 

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Data reconciliation 

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Fouling Calculations 

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Results normalisation

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Economic analysis 

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Optimize splitter ratios 

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Database storage 

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Plant data import 

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Flexible output 

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Automatic running


 

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Monitor is a trademark of Nalco
Company, Naperville, Illinois, U.S.A.