Clayton Feedwater Treatment Manual
Table of Contents
Section 1 Introduction ......................................................................................................................... 1-1 Section 2 The Basics ............................................................................................................................ 2-1 2.1 Water and Its Impurities ........................................................................................... 2-1 2.2 Principles Of Boiler Scale And Corrosion Control .................................................. 2-1 2.3 Understanding the Water Flow in a Clayton Steam Generator/ Fluid Heater .......... 2-2 2.4 Optimum Water Conditions ...................................................................................... 2-3 2.5 Unit Operations ........................................................................................................ 2-3 2.5.1 Softener ............................................................................................................ 2-3 2.5.2 Feedwater Tank ................................................................................................ 2-4 2.5.3 Clayton Steam Generator/ Fluid Heater ........................................................... 2-4 2.5.4 Steam Separator ............................................................................................... 2-4 Section 3 Chemical Treatment ........................................................................................................... 3-1 3.1 Water Quality Requirements .................................................................................... 3-1 3.1.1 Make-Up Water ................................................................................................ 3-2 3.1.2 Feedwater ......................................................................................................... 3-2 3.1.3 Condensate ....................................................................................................... 3-3 3.2 Coil Guard Technology ............................................................................................ 3-3 3.2.1 Additional Chemical Products ......................................................................... 3-4 3.2.2 Product Dosages .............................................................................................. 3-4 3.2.3 Chemical Feeding Methods ............................................................................. 3-5 3.3 Automatic Chemical Feed Systems .......................................................................... 3-5 3.3.1 Importance of Water Testing and Off-Line Lay-Up Conditions ...................... 3-5 3.3.2 Chemical Product Selection ............................................................................. 3-6 3.3.3 Water Testing Procedures ................................................................................. 3-8 3.3.4 The Clayton AWARE Program ........................................................................ 3-8 3.3.5 Steam Generator/ Fluid Heater Start-up Using Coil Guard 1 & 2 ................... 3-8 3.3.5 Data Log Report ..................................................................................................... 3-10
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