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American Society of Heating and Ventilating Engineers Guide, 1925-26
STANDARD FORM
For.Reporting Results of Low-Pressure Steam-Heating Boiler Tests
RESULTS
Of a Test on a Low-Pressure Boiler
Date of Test............................. Conducted at................. ......... Director of Test................... Manufacturer of BoilerOwner of Boiler.--............... Size of Boiler........................... Type of Boiler........................
(signature)
GENERAL PARTICULARS OF BOILER AND FUEL
Boiler
Type-....................................................:......................................................................... ;............... Made by...........,,...................................................................................... ,...................................... Length of Grate (or Diameter)................................................................................................ in
Width of Grate.TM........................................................
in
Fuel Capacity (Greatest Possible Volume)..................................................................... cu. ft
Maximum FueLDepth (Greatest Possible Depth of Fuel).....................................;......... in
Fuel Capacity Normal.........................................................................................................cu. ft
Fuel Depth Normal--............................................................. ,.................................................. in Average Distance from Top of Normal Fuel Charge to Crown Sheet.............................in
Total Furnace Volume, Grate to Crown Sheet and Bridge Wall............................... cu. ft Total Combustion Space Beyond Bridge Wall......................................... ................. ....cu. ft
Water Capacity (To Water Line)............................................................................... '......... lb
Height of Water Line.................................................................................................................in
Steam Connections Used |sS^n^er'"...................................................................................... in
Kind of Insulation.......................................................................................................................... Thickness of Insulation.....................'................................................................. ..................... in Detailed Description of Boiler.....................................................................................................
Smoke Pipe and Chimney
Area of Smoke Pipe.TM'........................................... Length of Smoke Pipe (Boiler to Chimney)...... Number and Kind of Bends in Smoke Pipe___ Chimney, Height above Grate................... ......... Chimney, Area at Bottom..................................... Chimney, Area at Top...........................................
.sq. in. ...... in.
..... ft. .sq. ft. .sq. ft.
Fuel
Name. Size....
Proximate Analysis
Moisture.....................................
percent
Volatile Matter.....................
'per cent *
Fixed Carbon................................. percent
Ash................................................... percent
\ As Fired
Ultimate Analysis
Carbon___ ..................................... percent Hydrogen....................................... percent Oxygen._......................................... percent Nitrogen.....................t................. per cent Sulphur........... ............................... percent Ash...............J................................ per cent
As Fired
Moisture Free Moisture Free
These forms may be obtained on request'at the office of the Secretary of the American Society of Heating and Ventilating Engineers. 29 West 39th Street, New York City, at nominal cost.
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American Society of Heating ami Ventilating Engineers Guide, 1925-26
Heat Value (Gross) B.t.u. per lb. as fired...................................................................................................................... B.t.u. per lb. moisture free...... :.................................................................................. ................. B.t.u. per lb. moisture and ash free.............................................................................................
Character of Fuel (State whether coking or free-burning, clinker troubles, etc.)
Method of Firing
PRINCIPAL RESULTS OF TEST
Heat recovered at the boiler outlet per hour........................................................ 1000 B.t.u. Maker's rating (sq. ft. radiation X 240).................................................. 1000 B.t.u. per hr. Percentage of maker's rating developed-.....................................................................per cent Mean interval between charging fuel................................................................................hours Mean interval between attention of any kind to the fire, including charging.......... hours Overall thermal efficiency.......... ................v..................................................................per cent
DETAILED RESULTS OF TEST (For full particulars of boiler and fuel see "general particulars" ante)
General Information
1. Date of Test--....... 2. Number of Test-- 3. Location of Boiler.-............... 4. Maker of Boiler and Type.. 5. Owner of Plant..................... 6. Test Conducted by.............. 7. Duration of Test--.......................................................................................................... hr. 8. Manufacturer's Rating of Boiler...........................................................sq. ft. radiation1 9. Grate Area2.......................................................................................... ,....................... sq. ft. 10. Barometric Pressure..................................................................................... in. of mercury
Fuel
11. Heat value, as fired..................................................................................... ...B.t.u. per lb
12. Number of Times Fuel Charged during Test..................................................................
13. Intervals between Charging, hrs. Longest..........Shortest.... .....Average.................
14. Intervals between Attention of any Kind to the Fire, including firing, hr.
Longest......... Shortest......... Average..,,.............
15. Average Fired per Charge*.................................................................................
..lb
16. Depth on Grate at Start of Test___ .1...............................................................
(After Firing)..........................................................................................................in
-17. Depth on Grateat Finish of.Test......................
in
18. Weight as Fired during Test*.......................................................................................... lb
19. Weight as Fired per Hour*.................................
......lb
20. Moisture in Fuel................................................................................. ....................per cent
21. Weight Fired per Hour less Moisture:*
100 -
X item 19._......................................................................
,,lb.
Ash and Refuse
22. Weight of Ash and Refuse Removed from Grate......................................................lb. 23. Weight of Ash and Refuse Removed from Ashpit .............................................. lb. 24. Total Weight of Ash and Refuse Removed4
(item 22 -|- item 23)......................................................................................:.......lb.
^ne sq. ft. radiation to be assumed equal to 240 B.t.u. per hr. * If the grate have an unusual shape, method of computing area must be stated under "Remarks." aWhen the New Fire Method is used the equivalent fuel charged shall be given throughout. The method of obtaining this is shown at the end of this table. 4To include ash content of residual fire when New Fire Method is used.
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