The Analysis and Softening of Boiler Feed-water PDF Download
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Author: Edmund Wehrenfennig
Publisher:
ISBN:
Category : Boilers
Languages : en
Pages : 338
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Book Description
Author: Edmund Wehrenfennig
Publisher:
ISBN:
Category : Boilers
Languages : en
Pages : 338
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Book Description
Author: Edmund Wehrenfennig
Publisher: Legare Street Press
ISBN: 9781022491502
Category :
Languages : en
Pages : 0
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Book Description
This classic book on boiler feed-water applies the principles of chemistry and physics to a practical engineering problem. The detailed discussion of the analysis and softening of feed-water is enlightening, and the clear explanations make this book accessible to engineers and non-engineers alike. Whether you're an engineer looking to improve your understanding of boiler systems or simply interested in the science of water, this book is an essential resource. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Edmund Wehrenfennig
Publisher:
ISBN:
Category : Feed-water purification
Languages : en
Pages : 290
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Book Description
Author: Edmund Wehrenfennig
Publisher: Forgotten Books
ISBN: 9781332047437
Category : Science
Languages : en
Pages : 330
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Book Description
Excerpt from The Analysis and Softening of Boiler-Water This work undertaken with the collaboration of a chemist is made necessary in consequence of numerous subsequent inquiries regarding the essay appearing in the Journal for the Advancement of Railway Interests (Organ fur die Fortschritte des Eisenbahnwesens) of the year 1893 On the Examination and Softening of Boiler Feed-water (Ueber die Untersuchung und das Weichmachen des Kesselspeisewassers). In the above new work it was sought to show the chemical procedure on which water purification is based, and exhibit a short and simple water analysis, and method of calculating the quantities of reagents required for water softening to be used in practice. In it the information most vitally needed for practical water analysis and purification is reiterated and the other results of my previous essay are presented for use. Besides this, the report on feed-water was written opportunely by the author for the commission of Austrian Railway Managers at the Railway Exposition (Paris, 1900), and as a result it was followed by the Report of the Technical Committee of the Society of German Railway Managers which was drawn up in the year 1902. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Edmund Wehrenfennig
Publisher:
ISBN:
Category : Feed-water purification
Languages : en
Pages : 290
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Book Description
Author: F. J. Matthews
Publisher:
ISBN:
Category : Feed-water purification
Languages : en
Pages : 236
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Book Description
Author: Fritz Wehrenfennig
Publisher: Palala Press
ISBN: 9781356276516
Category :
Languages : en
Pages : 338
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author:
Publisher:
ISBN:
Category : Feed-water purification
Languages : en
Pages : 262
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Book Description
Author:
Publisher:
ISBN:
Category : Coal trade
Languages : en
Pages : 972
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Book Description
Author: Colin Frayne
Publisher: Chemical Publishing Company
ISBN: 9780820601731
Category : Technology & Engineering
Languages : en
Pages : 66
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Book Description
Table of Contents: About the Author - Saturated steam temperatures at various boiler pressures - Boiler Energy and Power Units - Typical gross heating values of common fuels (based on approximately 80% fuel to steam efficiency) - Typical energy consumption and output ratings for a fire tube boiler - Steam tables suitable for pressure deaerators - Calculating Blowdown - Coefficients of thermal conductivity for some heat-exchanger metals and boiler deposits - Types of water or steam commonly employed in most HW heating and steam generating plants - Commonly occurring minerals in natural MU water sources - Specific waterside / steamside problems affecting MPHW and HPHW boiler plants - Salt concentration indicators - Summary of waterside / steamside problems affecting LPHW and LP steam heating boiler plants - FW contamination from MU water - FW contamination from returned condensate - Problems associated with the final FW blend - Deposition of boiler section waterside surfaces by alkaline earth metal salts, other inorganic salts and organics - Silica and silicate crystalline scales and deposits affecting boiler section waterside surfaces - Iron oxide and other boiler section corrosion debris deposits - Boiler section corrosion problems involving oxygen, concentration cells and low pH - Stress and high temperature related corrosion - Steam purity, quality and other operational problems - Specification for grades of high-quality water suitable for higher pressure WT boilers - Practical considerations for a RW ion-exchange softener - Types of Internal Treatment Program - Carbonate Cycle Requirement Calculations - Phosphate-Cycle Requirement Calculations - A Guide to Tannin Residuals in BW - Carbonate-Cycle Program. BW Carbonate Reserve Requirements by Pressure and Sulfate Concentration - Carbonate-Cycle Coagulation and Precipitation Program. Recommended BW Control Limits for Non-Highly-Rated FT Boilers Employing Hard or Partially Softened FW - Phosphate-Cycle Coagulation and Precipitation Program. Recommended BW Control Limits for Non-Highly-Rated FT Boilers Employing Hard, Partially Softened, or Fully Softened FW - Phosphate-Cycle Coagulation and Precipitation Program. Recommended BW Control Limits for Non-Highly-Rated WT Boilers Employing Hard, Partially Softened, or Fully Softened FW - Chelant demand (ppm product) per 1ppm substrate EDTA Chelant or All-Polymer/All-Organic Program. Recommended BW Control Limits for Fired WT Boilers Employing Demineralized or Similar Quality FW - Oxygen Solubility at Atmospheric Pressure - Properties of Oxygen Scavengers - Carbon Dioxide Evolution from FW Alkalinity - Amine Requirement to Reach a Stable Condensate pH - Amine Basicity Dissociation Constants - Neutralizing Amine Summary Notes - Some DR values for CO2, NH3 and neutralizing amines at various pressures - Calculating Alkalinity Feed-Rate Requirements - [ASME Consensus table 1: Suggested water chemistry limits. Industrial watertube, high duty, primary fuel fired, drum typeMakeup water percentage: Up to 100% of feedwater. Conditions: Includes superheater, turbine drives or process restriction on steam purity] - [ASME Consensus table 2: Suggested chemistry limits. Industrial watertube, high duty, primary fuel fired, drum type] - [ASME Consensus table 3: Suggested chemistry limits. Industrial firetube, high duty, primary fuel fired] - [ASME Consensus table 4: Suggested water chemistry limits. Industrial coil type, watertube, high duty, primary fuel fired rapid steam generators] - [ASME Consensus table 5: Suggested water chemistry limits. Marine propulsion, watertube, oil fired drum type] - [ASME Consensus table 6: Suggested water chemistry limits. Electrode, high voltage, forced circulation jet type] - Notes
