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  2. Waste oil - Wikipedia

    en.wikipedia.org/wiki/Waste_oil

    The U.S. EPA defines the term "used oil" as any petroleum or synthetic oil that has been used, and as a result of such use is contaminated by physical or chemical properties. [2] ". Used oil" is a precise regulatory term. "Waste oil" is a more generic term for oil that has been contaminated with substances that may or may not be hazardous. [1]

  3. Oil heater - Wikipedia

    en.wikipedia.org/wiki/Oil_heater

    Oil heater. A typical oil heater. An oil heater, also known as an oil-filled heater, oil-filled radiator, or column heater, is a common form of convection heater used in domestic heating. Although filled with oil, it is electrically heated and does not involve burning any oil fuel; the oil is used as a heat reservoir (buffer).

  4. Smudge pot - Wikipedia

    en.wikipedia.org/wiki/Smudge_pot

    A smudge pot (also known as a choofa or orchard heater) is an oil -burning device used to prevent frost on fruit trees. Usually a smudge pot has a large round base with a chimney coming out of the middle of the base. The smudge pot is placed between trees in an orchard. The burning oil creates heat, smoke, carbon dioxide, and water vapor.

  5. Waste-to-energy plant - Wikipedia

    en.wikipedia.org/wiki/Waste-to-energy_plant

    The waste is then stored until it is time for burning. A few plants use gasification, but most combust the waste directly because it is a mature, efficient technology. The waste can be added to the boiler continuously or in batches, depending on the design of the plant. In terms of volume, waste-to-energy plants incinerate 80 to 90 percent of ...

  6. District heating - Wikipedia

    en.wikipedia.org/wiki/District_heating

    The three large municipal waste incinerators provide 22% of the total in producing 116 GWh electric power and 1,220 GWh heat. Waste heat from municipal power plants and large industrial plants account for 72% of the total. The remaining 6% is produced by peak heating boilers from fossil fuel. A biomass-fired power plant has produced heat since ...

  7. Furnace (central heating) - Wikipedia

    en.wikipedia.org/wiki/Furnace_(central_heating)

    Furnace (central heating) An oil furnace. A furnace (American English), referred to as a heater or boiler in British English, is an appliance used to generate heat for all or part of a building. Furnaces are mostly used as a major component of a central heating system. Furnaces are permanently installed to provide heat to an interior space ...

  8. Air preheater - Wikipedia

    en.wikipedia.org/wiki/Air_preheater

    The purpose of the air preheater is to recover the heat from the boiler flue gas which increases the thermal efficiency of the boiler by reducing the useful heat lost in the flue gas. As a consequence, the flue gases are also conveyed to the flue gas stack (or chimney) at a lower temperature, allowing simplified design of the conveyance system ...

  9. Thermic fluid heater - Wikipedia

    en.wikipedia.org/wiki/Thermic_fluid_heater

    A Thermic Fluid Heater (TFH), [1] also known as a thermal oil heater, is a device used for indirect heat transfer through a thermic fluid. It heats the fluid to a desired temperature and then transfers that heat to various processes without any direct contact between the heating source and the product. This type of heater is commonly used in ...

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