COZBY ENTERPRISES, INC.

CONTROL    POINTS
Nov. 29, 2013
John Cozby

A:     Low water; shut off fuel
         Over pressure; shut off fuel
          Pressure Sensor — Read out

B:     Start feed water pump — light indicator
         Fail safe over pressure rupture disc

C:     Feed water shut off — light indicator
         Temperature sensor (pyrometer) — read out

D.     Pressure sensor — read out
         Temperature sensor (pyrometer) — read out
         Over temperature; shut off fuel

     To be used with 16 - II, Water & Steam Schematic

Order of Water Circuit from the Boiler Feedwater Pump into the Boiler and to the Engine
3.6.14 

1.  Boiler feedwater pump to
2.  High pressure piston gland seal to
3.  By-pass valve stem seals to
4.  Cut-off valve stem seals to
5.  First dump valve stem seals to
6.  Second dump valve stem seals to
7.  First feedwater heater (tube in tube/counter flow) to
8.  Second feedwater heater (tube in tube/counter flow) to
9.  Recuperator to
10.  Economizer to
11.  Gasoline line fuel heater (tube in tube/counter flow) to
12.  Boiler through
13.  Water level control section to (as steam)
14.  Superheater to (as superheated steam)
15.  Engine (First, or high pressure, stage) 

John

Combustion Air Path from Atmosphere to Furnace Combustion Chamber and to Boiler Tubing
3.6.14 

1.  Furnace blower intake from the upper portion of the condenser (the hottest portion of the condenser) through
2.  Air to furnace exhaust heat exchanger (counter flow and located after the economizer) to
3.  Furnace combustion chamber (around 110% to 120% combustion air)
4.  Swirled with fuel
5.  Ignition/burning
6.  Heats boiler 

John 

Additional Considerations   3.4.14 

1.  Place a regenerative feedwater heat pump on a low pressure exhaust cam per earlier discussions and design so as to have two bleeds — one after the high pressure stage and one after the intermediate pressure stage. 

2.  Place one solenoid activated receiver/reheater dump valve for each receiver/reheater.  Said solenoid is activated during brake mode.  One dump line is connected to the high pressure exhaust passage and one dump line is connected to the intermediate pressure exhaust passage.  These lines are each in turn connected to the low pressure exhaust chambers.  There is a “tee” in each dump line which also supplies the regenerative feedwater heater bleed lines to the regenerative pumps.  The dump lines and the bleed lines are 3/16 inch diamemter.  (Reference 16-II, Water Steam Schematic.) 

John