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Kiln theory and knowledge
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Building a kiln, step 5
Fifth step in building a lumber kiln.
Steam pipe+valves on outside of kiln. |
Heat unit inside kiln.
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Heating a lumber kiln can be accomblished using several different methods and fuel types. Irregardless of which type of fuel or design is used, it needs to be installed mechanically. This step is placed in front of the electrical installation since some of the heating components, such as the fans on the heat units and the optional electrical valves, may need electrical wiring. It should be mentioned that placement of heat units or heat coils is part of the kiln equipment installation. A brief description of the installation process of each type of heating system is descriped in the table below:
| Heating system: |
Installation includes: |
Fuel type: |
| Hot water |
Boiler/industrial water heating,
Piping from boiler to heat units/coils,
Installation of valves,
Circulation pump. |
Gas (natural/LP),
Oil, wood waste,
central heating, etc. |
| Steam |
Boiler/steam generator,
Piping from boiler to heat units/coils,
Installation of steam valves,
steam traps, blow-down drains,
Condensate return, etc. |
Gas (natural/LP),
Oil, wood waste, etc. |
| Direct-fired |
Individual gas burner on the back
wall in its stainless steel duct work
Gas storage tanks (unless natural gas
piped into the unit)
Locally certified installer is needed. |
Gas (natural/LP). |
This step of the kiln installation process is normally performed by a local pipe fitting company (or direct gas heating specialist). In some cases, your on-site maintenance crew can perform this task; however, you should be certain that they have the knowledge and experience to perform the job per local standards and building codes.
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Kiln controllers, fans, sensors, vents, heat systems and more
