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Temporarily Out of Stock Online Please check back later for updated availability. Overview Intended as a practical guide to the design, installation, operation and maintenance of the systems used for measuring and controlling boilers and heat-recovery steam-generators used in land and marine power plants and in process industries.
Table of Contents Chapter 1: The basics of steam generation and use Chapter 2: The steam and water circuits Chapter 3: The fuel, air and flue-gas circuits Chapter 4: Setting the demand for the steam generator Chapter 5: Combustion and draught control Chapter 6: Feed-water control and instrumentation Chapter 7: Steam-temperature control Chapter 8: Control equipment practice Chapter 9: Requirements definition and equipment nomenclature Chapter Upgrading and refurbishing systems.
Write a Review. But, whereas the quantity and variety of information required by the engineer has grown enormously over the past half-century, the period allocated to graduate training has not expanded beyond the same four or five years that I spent while I was being trained.
And in my day computers were specialised things that one might, perhaps, study after graduating. Beside being complicated, computer technology is beguiling. It is tempting, and intellectually satisfying, to sit at a keyboard tapping away and generating words, formulae or pictures on the screen. But that is all. On the other hand, a computer controlling any power-station plant is in command of a huge process involving explosive mixtures of gases, steam at pressures and temperatures that become instantly lethal if anything goes wrong, and massive roaring turbines driving generators that produce megawatts of power at many tens of thousands ofvohs.
A small mistake or lack of attention to detail in such a case can have consequences that will certainly be severe, probably very expensive and possibly tragic. A power station is a complex thing, and its construction is a frantic, long drawn-out process involving many people, sometimes hundreds of them, working amid the difficulties of noise, dust and dirt, and extremes of temperature.
Heavy items are craned or manhandled into position under a mess of cables and pipes, often with showers of sparks raining down from welding and cutting operations high above.
This book provides a practical and comprehensive analysis of control systems for boilers and HRSGs (heat-recovery steam generators) in a variety of. Power-plant Control and Instrumentation: The Control of Boilers and HRSG of the systems used for measuring and controlling boilers and heat-recovery.
An instrument lovingly installed on a pipe is all too often used as a foothold for a heavy-booted rigger reaching up to install an item on another pipe. Instrument cubicles are on occasion used as latrines by labourers who are caught short in the middle of a task. Many a control desk designed with an eye for artistic merit has come into violent contact with a massive steel girder being moved into position—and emerged the worse orE.
proxy.worldcoffeeevents.org/16905.php Preface xi When one moves away from Europe or North America things become even worse. Across the world, cable trenches are dug and cables laid in them by electricians and labourers who have little or no understanding of electronics. Expert supervision has its limits.
Even if much careful attention has been paid to defining earthing and screening requirements, all may be lost if the wrong type of cable gland is used at a single point, or if armoured cable is wrongly glanded. The fact that a malfunction has been caused by interference is difficult enough to determine. Trying to discover why and where the interference occurred in kilometres of cable trays and ducts snaking their way through a vast site is often an impossible task. So why should anybody in their right minds want to work in a field that is often difficult, sometimes dangerous and always stressful?
Everybody will have their own answer but, for me, the magic of this field is its huge scope and enormous challenges.
Best of all, it's free. Error rating book. The Main Steam MS system provides steam from the source i. These developments have brought opportunities in terms of flexibility, energy efficiency and safety, but also the risk of a comprehension gap between control specialists and power plant engineers, a gap this new edition aims to bridge. It describes process transmitters, advanced DCS configurations and final elements such as control valves and dampers.
So what I have tried to do in this book is to provide an outline of the subject in a readable format. In doing this I have had to limit the depth of the coverage. I make no apologies for glossing over some topics and for simplifying some concepts.