Industrial furnace
Patent
·
OSTI ID:6452478
A firebox has a liquid or gaseous burner and also a solid fuel grate assembly associated with a solid fuel inlet above the grate assembly for dropping solid fuel particles thereon. The grate assembly includes upper and lower bar type members and an intermediate member of expanded metal. A blower is mounted under the grate assembly and in combination with the latter provides an even pressurized draft for burning solid fuel particles. A sweeping bar on side runs is capable of sweeping clinkers and ashes from the grate assembly. A bottom auger receives the clinkers and ashes and carries them out of the firebox. A forced air inlet directs a flow of air down on the solid fuel inlet to prevent combustion gases from traveling reversely through the solid fuel inlet. A heat exchange chamber includes a plurality of reversely turned tubes arranged in a plurality of paths and connected by end housings capable of removal for inspection and cleaning. The solid fuel is fed to the furnace by a metering unit for use in combination with blowers to achieve maximum efficiency of the furnace.
- Assignee:
- EDB-85-005791
- Patent Number(s):
- US 4450776
- OSTI ID:
- 6452478
- Country of Publication:
- United States
- Language:
- English
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