Apparatus for distilling shale and other bituminous substances
Patent
·
OSTI ID:7204687
An apparatus for distilling shale and other bituminous substances is described in which a furnace incorporates a retort having sides of a stepped cylindrical formation and arranged in the combustion chamber or flue of the furnace with its widest diameter uppermost and its smallest diameter lowermost so that the inside presents a series of horizontal or approximately horizontal concentric ledges of lessening diameter. A means is provided for feeding the material onto the highermost ledge, along with a means for working the material around the ledges and down from ledge to ledge to a discharge outlet.
- Assignee:
- TIC; EDB-78-025305
- Patent Number(s):
- US 985053
- OSTI ID:
- 7204687
- Country of Publication:
- United States
- Language:
- English
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