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Boiler Water Treatment Principles and Practice: Charts and Notes for Field Use
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(Buch) |
Dieser Artikel gilt, aufgrund seiner Grösse, beim Versand als 2 Artikel!
| Inhalt: |
| 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 |
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i.d.R. innert 7-14 Tagen versandfertig
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