| 摘要 |
A furnace system, especially a coal burning furnace and boiler system, in which the coal to be burned is placed on a grate at the bottom of the combustion chamber. According to the invention, automatic means are provided for supplying the coal to the boiler in response to the demands of the boiler. In addition, the boiler system of the present invention includes new and improved means for heating water to about 180 DEG F. to produce steam for use in generating power, such as in a steam locomotive railroad engine pulling up to at least 150 cars. The present invention also, in addition, provides the steam generating raw and distilled water supplies in indirect heat exchange closely adjacent the boiler in order to take advantage of the boiler for maintaining heating of the water supplies. Furthermore, the boiler system of the present invention provides means for recycling the combustion gases back into the combustion chamber whereby to enhance the heat producing efficiency of the boiler system.
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