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Heated Waste Oil Burns Better
Gravity-fed and simple describes Bram Lohr's waste oil burner that heats the oil before burning it. The oil flow runs into a catch basin at the top of the furnace where it's heated before dripping over the side and into the flames.
"We had several years worth of waste oil from tractor oil changes, and my son wanted to heat the shop with it. There are many other ways to burn oil but this simple method works well," says Lohr.
He positioned a 30-gal. oil reservoir in a neighboring building. A gravity line runs through the walls to the burner. Valves below the reservoir and on the 1/2-in. fuel line act as safety valves and control the rate of flow into the burner.
"When the 1/2-in. line reaches the stove, it slips into a very short 3/4-in. pipe that extends out of the top of the stove," explains Lohr. "The oil coming through the 3/4-in. stub drips into a small steel container bolted to the top of the stove."
The 1/2-in. deep, 3/4-in. thick steel container fills with oil until it spills over and into the fire. In really cold weather, Lohr adds wood to the fire chamber so the oil drips onto it. This causes the wood to burn more slowly, but with greater heat. If no wood is present, the oil drips directly into the fire.
"The steel container gets hot enough once a fire has started to heat the oil for a complete burn," explains Lohr.
The outlet pipe extends up several inches from the bottom of the reservoir, allowing heavy sediments to settle out while cleaner oil runs into the line.
"We use about 20 liters (about 5 1/3 gal.) of oil a day," explains Lohr.
Contact: FARM SHOW Followup, Bram Lohr, 116 Bessie North Road, Canning, Nova Scotia, Canada B0P 1H0 (ph 902 582-3964).


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2011 - Volume #35, Issue #1