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U.S. Department of Energy
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Outside waste oil furnace

Patent ·
OSTI ID:6418374

An outside waste oil furnace system is described comprising a furnace having a combustion chamber, a heat exchange area and an exhaust means, a water jacket associated with said heat exchange area to heat water within the water jacket, burner means associated with said combustion chamber, said water jacket adapted to be communicated with heat exchange devices remote from the furnace, a waste oil storage tank adjacent said furnace, pump means for discharging waste oil from the storage tank into said burner means and oil preheating means between the pump means and burner means for preheating oil for better combustion by the burner means, and means circulating hot water from the water jacket through the oil preheater means, said furnace combustion chamber being horizontally disposed and provided with an upwardly opening flow passage at an end thereof remote from the burner means, a pair of heat exchange chambers positioned above said combustion chamber and in parallel relation thereto and in parallel relation to each other and being separated by a partial baffle extending from an end of the heat exchange chambers remote from the burner means and terminating in spaced relation to an end of the heat exchange chambers adjacent the burner means to form a passage between the heat exchange chambers, said opening in the combustion chamber communicating with one of said heat exchange chambers in remote relation to the burner means, said exhaust means including a stack communicated with the other of the heat exchange chambers in remote relation to the opening.

Assignee:
Hardy Manufacturing Co., Inc., Philadelphia, MS (United States)
Patent Number(s):
A; US 5221043
Application Number:
PPN: US 7-692661
OSTI ID:
6418374
Country of Publication:
United States
Language:
English