Thursday, July 23, 2020

Compressors and Modern Process Applications by Heinz P. Bloch

 Download Compressors and Modern Process Applications by Heinz P. Bloch 





Contents of Compressors and Modern Process Applications

Chapter 1. Positive Displacement Compressors
Chapter 2. Rotary Compressors as a Category
Chapter 3. Understanding Centrifugal Process  Gas Compressors
Chapter 4. Power Transmission and Advanced Bearing Technology
Chapter 5. Centrifugal Compressor Performance
Chapter 6. Testing
Chapter 7. Application Considerations
Chapter 8. Using API-617 as a Purchase Specification for Centrifugal Compressors


Preface of Compressors and Modern Process Applications

The segregation of job functions into project, maintenance, administrative, operations, purchasing, and so on often leaves gaps in the sum total of the understanding needed to optimize the safety, reliability, and profitability of modern process plants. Yet, each of these job functions is known to have an influence on the business-related goals of an industrial facility. Therefore, a measure of knowledge of capital equipment and processes must be imparted to the various groups involved in the facility’s.

Intelligent discourse must exist and certain basic facts must be accepted by the various parties.
Needless to say, compressors represent a multimillion dollar investment for many plants, and profitability can be neither reached nor sustained by organizations that neglect this critically important asset. This is clearly brought out in more detailed compressor texts; these are available and listed in the references. However, whereas these more detailed texts have often been recommended for and by machinery reliability professionals, a condensed overview of compressor design, operation, and maintenance is desired by other job functions and will thus be given in this book.

This material will assist the very wide spectrum of readers whose process involvement brings them into contact with large process compressors. As an example and to run a smooth organization, terminology must be unified and misconceptions dispelled
wherever they creep into our thinking. That is one of the aims
of this book.

Along these lines, our overview of process gas compressors dealing with positive-displacement machines, and especially the later chapters concerned with centrifugal compressors, are intended to equip the reader with the essentials. As is done in certain encyclopaedias, the beginning chapters are self-contained and will be very useful to readers interested in how and why the physical equipment works. The later chapters allow more advanced readers to see the underlying analyses that make possible the design of virtually all compressors. We must keep in mind, however, that dealing with
essentials may not leave enough room for discussion of every detail, and an expert will certainly appreciate this fact.

So, for all details not to be within the scope of this text should come as no surprise; squeezing decades of compressor design, maintenance, and operating know-how into an introductory overview text is simply not possible. An expert will also agree that persons performing some job functions have neither the need nor the time for reading hundreds of pages of compressor details. On the other hand, a text that is aimed at imparting an understanding of critically important parameters and interactions is both feasible and worth the effort.

This, too, is what we have set out to achieve here. The entire text will prove useful to managers, engineers, and technicians who need overview-type access to compressor-related issues that range from specification, through fabrication and field erection, to compressor operation and maintenance. Recognizing the mechanical/process interaction, the text in Part II endeavors to transition to process flow schemes in three major segments. These three segments deal
with petroleum refining, petrochemical, and gas processes.

Each segment identifies application and location of gas compressors and turboexpanders in over 300 processes that utilize these machines. Many compressor essentials are described in conjunction with the first two segments of Part II, dealing with refining processes and petrochemical processes, respectively. Turboexpander details are highlighted in conjunction with the third segment, explaining what the hydrocarbon processing industry collectively calls “gas processes.”

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