Advanced Control Concepts in Industrial Boiler Control

By Rob Kambach Senior technical specialist,Invensys FoxboroTips for burner modulation, air/fuel cross-limiting, excess-air regulation, oxygen trim, and total heat control Boilers are often the principal steam or hotwater generators in industrial plants or commercial buildings. Consequently, they must be designed to operate efficiently and safely while responding rapidly to demand changes. Burner-management systems must be equally adaptive. Control techniques from several manufacturers are capable of reducing operating costs while providing resources for greater flexibility in plant management and control. Burner combustion control generally includes...

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Go Green!!!

Top Environmental IssuesThe world cannot go a day without having new problems. Disasters, social issues and pandemics are only a few of them. But what continues to haunt humans daily is the fact that the environment is slowly deteriorating everyday. Environmental issues cloud over the hope and future of generations to come. Although efforts have been made they don’t seem to be enough. Here are the issues that top the heart-breaking list:§ Climate change – Global warming is as popular as a box-office hit movie. It’s because it’s a clear shot of every human being’s abuse to the environment. And the ripple effect of climate change is so massive that practically everything is affected. It has brought about more storms, more deadly diseases, extreme weather, earthly disasters such as floods and...

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Thermal Cleaning of Heat Exchangers

Cleaning of heat exchangers polluted with (partly) organic contaminations like cokes, plastic, oil, paint, rubber, food etc. still is a major problem for many companies. The need of parts’ cleaning is found in each and every industrial branch. Some take it as a daily necessity; others consider it an incidental procedure in times of calamity, turnaround or shutdown. Apparently it is just part of the game, but nevertheless it should be done as quickly as possible and as best one can. In most cases this is very often related to the available knowledge of the known cleaning techniques. Photo 1: Heat exchanger soiled with plasticsAs a result of the...

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