Last updateSun, 06 Oct 2019 10am

Process Safety Validation, Validation and Documentation

White Paper by Honeywell highlights that there are significant hidden costs in most of the current practices for validating, verifying and documenting that Safety Instrumented Systems and control systems as installed are functioning as designed. One key reason is that until now, there has been no automated mechanisms to support this critical activity. There are no standard ways in the industry to achieve this validation, verification and documentation.

The hidden costs come from the effort to validate, verify and document using manual processes and disconnected information sources. Even more significant are the opportunity costs from longer planned and more frequent unplanned shutdowns that reduce the total revenue opportunity.

In this whitepaper, we outline here the principles and approaches of a new capability to perform this function in an automated way. This results in structured information and shared knowledge, provable safety state and benefits from lower costs and higher revenue opportunity.

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A Technical Handbook for Level Instrumentation Application

Level Measurement Guide.jpgUtilizing and maintaining level and flow control instrumentation requires knowledge of a wide range of technical information. Having a quick and comprehensive reference point for this information can help keep equipment running smoothly and efficiently. With that in mind, Magnetrol® has produced a free field instrumentation technical handbook featuring a compendium of physical constants, tables and other essential information. The handbook was created by MAGNETROL to cover specific reference points that are commonly used in process applications.

This thorough technical guide features a variety of useful field instrumentation data. Standard conversion tables, such as metric notation conversion and Celsius to Fahrenheit conversion, are included. The technical handbook also includes equivalent tables for viscosity, pressure and head, electrical units, degrees API and degrees baumé. Properties tables feature density, specific gravity and dielectric constants of liquids and gases. Flange dimensions and ratings for pipes are also included.

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Accurate Messurement of Water in Feedwater Heaters

The accurate measurement of liquid levels in power plant operations is key to efficient operation. Although water is a liquid that can be easily measured by numerous measurement technologies, detection in applications like feedwater heaters, for example, takes on a range of complexity that stresses even the most robust devices.

Feedwater heaters operate in various ranges depending upon the stage of the process. High-pressure heaters typically operate at 1030 psig @5500F (71 bar @2880C). Further, liquid level transmitters should operate ideally from ambient start-up to operating conditions at full capacity; a wide variation.

Torque tube and differential pressure transmitters have been the technologies of choice for many years, each technology having a set of strengths, weaknesses and idiosyncrasies. Performance of both technologies are dependent on the Specific Gravity (SG) of the medium of they are measuring; both suffer inaccuracies when the SG of water varies over temperature.

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Considering Control Valve Efficiency

Control valve efficiency.jpgArticle by Samson Valves: The discussions revolving around the scarcity of fossil fuels and increasing energy prices have refocused on the most effective action in the long term, i.e., reducing energy consumption. The right process automation technology can contribute to achieving considerable energy savings. Status monitoring and status conservation can be of help when optimizing the technical infrastructure by preventing additional energy consumption due to plant failures, the resulting start-up and shutdown procedures, as well as the production of non-conforming products. Three major areas can also be identified when optimizing the production process—process sizing, process monitoring, and process control. This article deals with the control valve as a final control element that can help minimize energy consumption when it is accurately tuned to its assigned task. In addition, we will look at state-of-the-art asset management concepts based on smart positioners, which facilitate energy monitoring and indicate possible savings potential thanks to optimized operating modes.

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Industrial Instrumentation: Download Your Free HandBook

Lessons in Industrial Instrumentation.jpgAn Easy to understand and well written book in the field of Industry Instrumentation, can be downloaded here for Free. This book is written in the form of tutorials and teaching style for quick learning of basics of Instrumentation. This book can be read by all learners such as Engineers, Senior Engineers, Technicians and people having interest in this field. Consisting of 18 Chapters, 646 Pages and Starting from basics of Science and taking it towards Instrumentation, this Book is definitely a good reference.

The major topics covered are:

  1. Physics
  2. Chemistry
  3. DC Electricity
  4. AC Electricity
  5. Introduction to Industrial Instrumentation
  6. Instrumentation Documents
  7. Discrete process Measurement
  8. Analog Electronic Instrumentation
  9. Pneumatic Instrumentation
  10. Digital Electronic Instrumentation
  11. Instrument Calibration
  12. Continuous Pressure Measurement
  13. Continuous Level Measurement
  14. Continuous Temperature Measurement
  15. Continuous Fluid Flow Measurement
  16. Continuous Analytical Measurement
  17. Signal Characterization
  18. Continuous Feedback Control

Register with this website and click here to Download your Free Book

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