Page 292 - Wastewater Solids Incineration Systems
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Chapter 11
Incinerator Maintenance
1.0 MULTIPLE-HEARTH 1.4.5 Thermocouple Repair
FURNACES 254 and Replacement 261
1.1 Slag Formation 254 1.4.6 Calibration and Repair
1.1.1 Excessive Operating of Analyzers 261
Temperatures 254 1.5 Hot Work Cleaning
1.1.2 Flame and Repairs 261
Impingement 255 1.6 Shutdown
1.1.3 Hot Spots 255 Maintenance 262
1.2 Potential Methods to 1.7 External Shell
Minimize Slag Maintenance 263
Formation 255 1.8 Refractory Repair
1.3 Differing Types of Slag 257 and Replacement 263
1.3.1 Slag-Related 1.8.1 Brick Shapes 263
Problems 258 1.8.2 Refractory
1.3.2 Drop Hole Materials 264
Plugging 258 1.8.3 Hearth Repair
1.3.3 Slag Removal 258 and Replacement 264
1.4 Other Maintenance- 1.8.4 Drop Holes 265
Related Problems 258 1.8.5 Center Shaft 267
1.4.1 Burner Flame 1.8.6 Center Shaft
Impingement 258 Shear Pin 268
1.4.2 Hearth Sagging 259 1.8.7 Drive Gear 268
1.4.3 Rabble Arms and 1.8.8 Rabble Arm
Teeth 259 Replacement 268
1.4.4 Upper and Lower 1.8.9 Rabble Teeth
Center Shaft Seals 261 Replacement 268
(continued)
253