HEALTH SAFETY ELECTRICAL EQUIPMENT : CRYPTON GARAGE EQUIPMENT
Practical Electrical Equipment and Installations in Hazardous Areas (Practical Professional Books from Elsevier)
This book provides the reader with an understanding of the hazards involved in using electrical equipment in Potentially Explosive Atmospheres. It is based on the newly adopted international IEC79 Series of Standards that are now harmonizing and replacing older national Standards. Explosion-proof installations can be expensive to design, install and operate. The strategies and techniques described in this book can significantly reduce costs whilst maintaining plant safety. The book explains the associated terminology and its correct use - from Area Classification through to the selection of explosion-protected electrical apparatus, describing how protection is achieved and maintained in line with these international requirements. The IEC standards require that engineering staff and their management are trained effectively and safely in Hazardous Areas, and this book is designed to help fulfill that need. A basic understanding of instrumentation and electrical theory would be of benefit to the reader, but no previous knowledge of hazardous area installation is required.83% (9)
* An engineer's guide to the hazards and best practice for using electrical equipment in Potentially Explosive Atmospheres.
* Fully in line with the newly adopted international standards, the IEC79 series.
* Clear explanations of terminology and background information make this the most accessible book on this subject.
John 0511 Toronto
During 2005/06 I made three trips to Toronto, Canada on business. During one of the visits I was taken around the infrastructure around Toronto station and here I am in the equipment room of John Street Tower, 8th November 2005. The west end of Toronto Union station is controlled by John Street Tower using a GRS Model 5B power lever frame. The tower was opened around 1930 when the station and its approaches were resignalled, with Scott Street Tower controlling the east end of Toronto Union station and Cherry Street Tower controlling further east. All three Towers were fitted with GRS Model 5B power lever frames. The "levers" of this type of frame are better described as slides, being pulled out to execute their functions. Alternate slides have the handles pointing upwards or downwards, allowing close spacing and the consequential shorter length of frame. Underneath the frame in John Street Tower is part of the electrical side of the frame with rows of “shelf type” relays, fuses and terminals. You will notice that my hands are firmly in my pockets as we were advised that some of the un-shrouded terminals you can see actually carried voltages in excess of what is good for you, such was health and safety in 1930.Asbestos Millboard & Detail
Asbestos millboard material with small area of detail showing high-percentage of chrysotile fiber bundles along fractured edge. A small enclosure constructed of cut asbestos millboard pieces is also shown installed around electrical equipment with conduit extending through a small opening. Essentially a rather dense, cardboard-like material available in various thicknesses, asbestos millboard was lighter and more "workable" than asbestos-cement (A/C) or AIB panels. With a higher percentage of asbestos content, susceptibility to degradation, and its inherent friability, millboard material would be considered a potentially higher risk exposure hazard, in comparison to A/C and AIB. Although one could probably argue that the types of preparation and cutting methods between these asbestos-containing construction building materials could determine which material was likely more hazardous to human health during their original installation.
The problem of removing water which is emulsified with produced oil has grown more widespread and often times more difficult as producers attempt to access more difficult reserves. This practical guide is designed to help engineers and operators develop a "feel" for selection, sizing, and troubleshooting emulsion equipment. These skills are of vital importance to ensure low operating costs and to meet crude export quality specifications. The book is written for engineers and operators, who need advanced knowledge of the numerous techniques and the equipment used to destabilize and resolve petroleum emulsions problems. In Emulsions and Oil Treating Equipment: Selection, Sizing and Troubleshooting the author provides engineers and operators with a guide to understanding emulsion theory, methods and equipment, and practical design of a treating system. Comprehensive in its scope, the author explains methods such as: demulsifiers, temperature, electrostatics and non-traditional methods of modulated or pulsed voltage control, as well as equipment such as: electrostatic treater (dehydrator), separator, gunbarr heater-treater and free water knockout. Written in a "how to" format, it brings together hundreds of methods, handy formulas, diagrams and tables in one convenient book.See also:
Detailed coverage emulsion equipment and removal methods
Tips for selecting, sizing, and operating emulsion equipment
Overview of emulsion theory and factors affecting treatment methods
Packed with equipment diagrams, worked out calculations covers equipment and removal methods
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