Troubleshooting Vacuum Systems PDF Download
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Author: Norman P. Lieberman
Publisher: John Wiley & Sons
ISBN: 1118290348
Category : Technology & Engineering
Languages : en
Pages : 280
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Book Description
Vacuum systems are in wide spread use in the petrochemical plants, petroleum refineries and power generation plants. The existing texts on this subject are theoretical in nature and only deal with how the equipment functions when in good mechanical conditions, from the viewpoint of the equipment vendor. Also, the existing texts fail to consider the interaction of the vacuum system with the process equipment it serves and the variability of the motive steam conditions, change in cooling water temperature condenser fouling and erosion of the ejectors. Here are some of the many questions answered in this groundbreaking volume: Why does my first stage jet make a surging sound during hot weather? Why does the vacuum suddenly break? I've seen moisture condensing on the jet's body! What’s causing that? Why do I have to steam-out the drain legs from our condensers? Superheated steam is making our vacuum worse. Is this normal? How can I locate and measure air leaks? Reducing the steam pressure to my jets improves vacuum. But why? I can't pull the pre-condenser bundle. The shell side is fouling. What should I do? We're not getting our normal horsepower from our steam turbine. Could this be a jet problem? Raising the seal drum level improves vacuum! Is there an explanation for this? Our turbine exhaust steam pressure to our surface condenser has doubled in the last two years. What should we do? Restricting cooling water flow from our elevated condensers improves vacuum! Is this possible? What's a converging-diverging ejector all about? What's the difference between a barometric condenser and a surface condenser? Which is better?
Author: Norman P. Lieberman
Publisher: John Wiley & Sons
ISBN: 1118290348
Category : Technology & Engineering
Languages : en
Pages : 280
Get Book Here
Book Description
Vacuum systems are in wide spread use in the petrochemical plants, petroleum refineries and power generation plants. The existing texts on this subject are theoretical in nature and only deal with how the equipment functions when in good mechanical conditions, from the viewpoint of the equipment vendor. Also, the existing texts fail to consider the interaction of the vacuum system with the process equipment it serves and the variability of the motive steam conditions, change in cooling water temperature condenser fouling and erosion of the ejectors. Here are some of the many questions answered in this groundbreaking volume: Why does my first stage jet make a surging sound during hot weather? Why does the vacuum suddenly break? I've seen moisture condensing on the jet's body! What’s causing that? Why do I have to steam-out the drain legs from our condensers? Superheated steam is making our vacuum worse. Is this normal? How can I locate and measure air leaks? Reducing the steam pressure to my jets improves vacuum. But why? I can't pull the pre-condenser bundle. The shell side is fouling. What should I do? We're not getting our normal horsepower from our steam turbine. Could this be a jet problem? Raising the seal drum level improves vacuum! Is there an explanation for this? Our turbine exhaust steam pressure to our surface condenser has doubled in the last two years. What should we do? Restricting cooling water flow from our elevated condensers improves vacuum! Is this possible? What's a converging-diverging ejector all about? What's the difference between a barometric condenser and a surface condenser? Which is better?
Author: John F. O'Hanlon
Publisher: John Wiley & Sons
ISBN: 0471467154
Category : Science
Languages : en
Pages : 536
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Book Description
In the decade and a half since the publication of the Second Edition of A User?s Guide to Vacuum Technology there have been many important advances in the field, including spinning rotor gauges, dry mechanical pumps, magnetically levitated turbo pumps, and ultraclean system designs. These, along with improved cleaning and assembly techniques have made contamination-free manufacturing a reality. Designed to bridge the gap in both knowledge and training between designers and end users of vacuum equipment, the Third Edition offers a practical perspective on today?s vacuum technology. With a focus on the operation, understanding, and selection of equipment for industrial processes used in semiconductor, optics, packaging, and related coating technologies, A User?s Guide to Vacuum Technology, Third Edition provides a detailed treatment of this important field. While emphasizing the fundamentals and touching on significant topics not adequately covered elsewhere, the text avoids topics not relevant to the typical user.
Author: Luces M. Faulkenberry
Publisher: John Wiley & Sons
ISBN: 9780471866770
Category : Technology & Engineering
Languages : en
Pages : 456
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Book Description
Reparation og vedligehold af forskellige elektroniske systemer: stereoanlæg, micro datamater, robotter, analoge-og digitale systemer
Author: L.N. Rozanov
Publisher: CRC Press
ISBN: 9780415273510
Category : Science
Languages : en
Pages : 364
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Book Description
Vacuum technology finds itself in many areas of industry and research. These include materials handling, packaging, gas sampling, filtration, degassing of oils and metals, thin-film coating, electron microscopy, particle acceleration, and impregnation of electrical components. It is vital to design systems that are appropriate to the application, and with so many potential solutions this can become overwhelming. Vacuum Technique provides an overview of vacuum technology, its different design methodologies, and the underlying theory. The author begins with a summary of the properties of low-pressure gases, then moves on to describe mathematical modeling of gas transfer in the vacuum system, the operation of pumps and gauges, computer-aided synthesis and analysis of systems, and the design of different vacuum systems. In particular, the author discusses the structure and characteristics of low, middle, high, and superhigh vacuum systems, as well as the characteristics of joints, materials, movement inputs, and all aspects of production technology and construction standards. Using specific examples rather than describing the various elements, Vacuum Technique supplies engineers, technicians, researchers, and students with needed expertise and a comprehensive guide to designing, selecting, and using an appropriate vacuum system for a specific purpose.
Author: Norman Lieberman
Publisher: Elsevier
ISBN: 0128161620
Category : Technology & Engineering
Languages : en
Pages : 434
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Book Description
Understanding Process Equipment for Operators and Engineers explains how process equipment functions. As problems often arise in plants that must be solved by unit engineers, this book offers successful solutions and methods for their implementation. The concepts explained are based on Norm Lieberman's personal, hands-on experience. Like you, Norm attended a university and was exposed to technical seminars which did not always provide the needed solutions. In this text, you will learn the functioning of a variety of equipment types, including Fired Heater Draft, Centrifugal Pump Head, Distillation Tray Efficiency, Vacuum Jets, Recip Compressors, Steam Turbines, Thermosyphon Circulation Reboilers and Air Cooler. - Includes methods and procedures on how to make field measurements - Outlines fire heater principles and operation and how they develop draft - Describes distillation column operation and methods to increase their efficiency - Includes computer modeling and provides use case examples
Author: Stephen J. Bigelow
Publisher: TAB/Electronics
ISBN: 9780070063853
Category : Computers
Languages : en
Pages : 404
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Book Description
Tells how to get your drives and memory systems running quickly and efficiently--and keep them that way.
Author: Vannessa Goodsgip
Publisher: iSmithers Rapra Publishing
ISBN: 9781859574706
Category : Science
Languages : en
Pages : 152
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Book Description
Annotation Injection moulding is one of the most commonly used processing technologies for plastics materials. Proper machine set up, part and mould design, and material selection can lead to high quality production. This review outlines common factors to check when preparing to injection mould components, so that costly mistakes can be avoided. This review examines the different types of surface defects that can be identified in plastics parts and looks at ways of solving these problems. Useful flow charts to illustrate possible ways forward are included. Case studies and a large b257 of figures make this a very useful report.
Author:
Publisher:
ISBN:
Category : Paper industry
Languages : en
Pages : 968
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Book Description
Author: Roger Fabian
Publisher: ASM International
ISBN: 9781615031511
Category : Technology & Engineering
Languages : en
Pages : 278
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Book Description
Author: Stephen J. Bigelow
Publisher: McGraw-Hill Companies
ISBN: 9780830645510
Category : Computers
Languages : en
Pages : 372
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Book Description
When your PC memory or drives suddenly show signs of trouble, general troubleshooting manuals just aren't good enough. Focus on the problem and fix it fast with the best-selling guide that provides solutions for all PC drives and cards, including nonstandard ones like Syquest and Iomega Zip drives, and even writable CDs or CD-ROM burners. Clear, concise instructions make it a snap to diagnose, repair, and keep drives running in top condition. A volume in the Troubleshooting & Repair Series.
