Page 292 - Wastewater Solids Incineration Systems
P. 292

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
   287   288   289   290   291   292   293   294   295   296   297