PRODUCTS
 
 


Solid Fuel Boilers

HORIZONTAL BOILERS   TROJAN BOILERS
All water ways are manufactured from 16# solid copper tube, bronze welded with tobin bronze rod.
Inner booster tube is of 14# solid drawn copper tube.
Outer booster tube is of 18# copper.
All cast iron sections are of high temperature h.s. meehanite.
Refactory surrounds all water tubes in the firebox.
Outer case is of mild steel.
 
Water ways - Solid copper water jacket - 18#.
Booster jacket solid copper water jacketed flue secion (14# internal).
Combustion chamber lining - pyrocrete refactory.
All cast iron sections are of high temperature h.s. meehanite.
 
 
 
 

APPLICATIONS   COMBUSTION AIR TO PLANT ROOM
Central heating
Domestic hot water assistance
Commercial hot water
Swimming pool heating
Horticultural applications
Dairy hot water systems
Conversion from liquid or gaseous fuels to solid fuel
To work in conjunction with other fuels
 
Complete combustion requires CO2 (one part Carbon, two parts Oxygen). Air is 23% Oxygen.
Allow 8.63 cm of ventilation for each 1000 watts the boiler is capable of generating and this ventilation must be at floor level as close as possible to the automatic air duct on the boiler.
If the automatic air duct is a considerable distance from an external wall then a duct should deliver the air directly over the duct.
An open door or window will not suffice for an air intake point at floor level.
 
 
 
 

BOILER SELECTION   SYSTEM DESIGN
Calculate heating load
Ascertain net calorific value of wood
Decide on preferred stoking intervals - 6 or 8 hours
Example
Heating Load = 18000 watts
Assumed net __________________ = 6kg / hour
calorific value = 2800 watt hours/kg of wood
6 kg/hour x 6 hours (pref. stoking interval) = 36kg/6 hours
Now select a boiler with sufficient fire box capacity to hold 36 kg of fuel
It would be wise to select a boilder with a capacity to hold say 20% more fuel than that required
 
Correct design will ensure a well balanced easily controlled heating system which minimises excessive fuel consumption.
For pumped systems it is important to adjust all flow rates to the design values.
 
 
 

ASSUMED NETT CALORIFIC VALUE OF WOOD   FLUING
Red Gum, Grey Box, Iron Bark, Western District Sugar Gum, Bull Oak have 2800 Watt hours / kg (nett).
Stringy Bark, Messmate, Peppermint, Ti-Tree, Ghost Gum, Wattle or most coastal timbers.
Note: Although most wood has a similar calorific value, the density varies therefore we have adjusted the nett calorific value to compensate.
 
All flue used on Tubulous boilers must be insulated to maintain a stable flue gas temperature.
All flue used on Tubulous boilers must comply with AS-2918-1987.
 

BOILER POSITION   PAY BACK PERIOD
Tubulous Boilers are designed to be energy conscious, therefore all boilers must be protected from cold winds and rain, preferably in their own plant room. Plant rooms should be constructed to AS-2918-1987.
 
The major reason for using a solid fuel boiler is pure economics, therefore a definite payback period must be available and this is the case when comparing solid fuel liquid or gaseous fuels.

SPECIFICATIONS CAN CHANGE   HOW TO OBTAIN A TOTAL QUOTATION
As the policy of the company is one of continual improvement, specifications can change without notice.
  Send all information, plan & elevation etc. to tubulous with a covering letter explaining particular requirements.
Click here for contact details.

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