R016600x

6.5 Safety Controls ................................................................................................... 6-2 6.5.1 Temperature Control Devices .................................................................... 6-2 6.5.2 Regulator Approvals .................................................................................. 6-2 6.5.3 Steam Limit Pressure Switch ..................................................................... 6-2 6.5.4 Combustion Air Pressure Switch ............................................................... 6-2 6.5.5 Atomizing Oil Nozzles .............................................................................. 6-2 6.5.6 Pump Oil Level Switch .............................................................................. 6-2 6.5.7 Overcurrent Protection ............................................................................... 6-2 6.6 Equipment Specifications ................................................................................... 6-2 6.6.1 Modulating Generators .............................................................................. 6-3 6.6.2 Table 6-1 Supplemental Information ......................................................... 6-4 6.7 Equipment Layout And Dimensions .................................................................. 6-4 6.7.1 Modulating Steam Generators ................................................................... 6-5 6.7.2 Condensate Receiver Tanks ..................................................................... 6-18 6.7.3 Blowdown Tanks ..................................................................................... 6-19 Section 7 Optional Equipment .................................................................................................. 7-1 7.1 Booster Pump(s) ................................................................................................. 7-1 7.2 Blowdown System .............................................................................................. 7-1 7.2.1 Blowdown Tank ......................................................................................... 7-1 7.2.2 Automatic TDS Controller ......................................................................... 7-2 7.2.3 Continuous Blowdown Valve .................................................................... 7-2 7.3 Valve Option Kit ................................................................................................. 7-2 7.4 Soot Blower Assembly ....................................................................................... 7-2 7.5 Pressure Regulating Valves (BPR/PRV) ............................................................ 7-2 7.5.1 Back Pressure Regulators .......................................................................... 7-2 7.5.2 Clayton Back Pressure Regulators ............................................................. 7-3 7.5.3 Buyout (non-Clayton) Back Pressure Regulators ...................................... 7-3 7.5.4 Pilot-Operated and Electro-Pneumatic Back Pressure Regulators ............ 7-3 7.5.5 Pressure Regulating Valves ........................................................................ 7-3 Supplement I - SCR ......................................................................................................................I-1 1.1 Semi-Closed Receiver Systems (SCR) ............................................................... I-1 1.1.1 Requirements .............................................................................................. I-1 1.1.2 Components of an SCR System refer to Drawing R-16596 ....................... I-1 1.1.3 Water Level Gauge Glass ............................................................................ I-1 1.1.4 Steam Trap .................................................................................................. I-1 1.1.5 Vent ............................................................................................................. I-2 1.1.6 Level Control .............................................................................................. I-2 1.1.7 Steam Relief Valve ...................................................................................... I-2

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