| 摘要 |
A multiple fuel burning system that may be employed in conjunction with a furnace includes a first annular tubular conduit connected to a source of pressurized fluid and a second annular conduit concentric with the first annular tubular conduit and coupled to a source of pressurized fuel. A third annular tubular conduit is also included that is concentric with the first and second tubular conduits but of a lesser diameter so as to be within the first and second annular tubular conduits. The third annular tubular conduit is connected to a source of heat retaining liquid such as water or the like. The first, second and third tubular conduits define an elongated combustion chamber with three nozzles mounted at one end. Two of the three nozzles are connected to a source of combustible fuel such as fuel oil. The third nozzle may be connected to a source of pulverized combustible fuel.
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