Page 77 - Wastewater Solids Incineration Systems

46 Wastewater Solids Incineration Systems

6.2 Cold or Warm Wind Box 9.3.2 Central Shaft and
Fluid Bed 68 Rabble Arms 83

7.0 FLUID BED INCINERATION 9.3.3 Burner Systems 86
SUBSYSTEMS 69 9.3.4 Central Shaft
7.1 Air System 69 Return Air 86
7.1.1 Fluidizing Air 69 9.3.5 Auxiliary Combustion
7.1.2 Purge Air 69 Air Ports 86
7.1.3 Atomizing Air 70 9.3.6 Access Doors 87
7.2 Feed System 70 9.3.7 Emergency Bypass 87
7.3 Sand System 71 9.3.8 Instrumentation 87
7.4 Auxiliary Fuel System 72 9.4 Furnace Subsystems 88
7.4.1 Preheat Burner 72 9.5 Multiple-Hearth
7.4.2 Bed Fuel Injection 72 Furnace Combustion
7.5 Water System 73 Enhancements 88
7.6 Ductwork and 9.5.1 RHOX Process 89
Expansion Joints 73 9.5.2 Flue Gas
7.7 Process Control Recirculation 90
System 74 9.5.3 Oxygen Injection 90
7.7.1 Bed Temperature 74
10.0 OTHER THERMAL
7.7.2 Oxygen 75
PROCESSING
8.0 ADVANTAGES OF THE TECHNOLOGIES 92
TECHNOLOGY 75 10.1 Vitrification 92
9.0 MULTIPLE-HEARTH 10.2 Miscellaneous
FURNACE 76 Technologies 94
9.1 Process Design 10.2.1 Gasification 94
Considerations 77
10.2.2 Plasma Arc 96
9.2 Description of Major
10.2.3 SlurryCarb™
Components 80
Process 97
9.3 Composition and
11.0 REFERENCES 99
Construction 82
9.3.1 Hearths 82 12.0 SUGGESTED READING 100