Furnaces – Including means to feed solid fuel – Movable grate
Patent
1998-04-21
2000-02-15
Lazarus, Ira S.
Furnaces
Including means to feed solid fuel
Movable grate
110268, 110298, 126175, 126163R, 126152B, F23H 708, F23H 102
Patent
active
060240318
ABSTRACT:
A thrust combustion grate for burning refuse having altemately stationary (5) and movable (6) hollow grate plates (5,6) in a stairway formation, that rest on each other with their front underedge. The grate plates extend across the entire width of the grateway. The movable grate plates (6) are each driven by a hydraulic cylinder-piston unit (18,19). To the sides, the grateway is limited by panels of water-cooled conduits (8,9), which, in the longitudinal direction, each consist of at least two sections sealingly flanged together. The panels are rigidly screwed to each other by a plurality of horizontally disposed distancing bars (3,4) running perpendicular thereto. Running between the panels are two additional conduits (10,11) flanged together in the same way, for feeding primary air and cooling water, which are fixed to certain individual distancing bars (3,4). The back sides of the stationary grate plates (5) each rest on one distancing bar (3) while the back sides of the movable grate plates (6) rest on at least one steel roller (16,17) with a horizontal axis, with each side of their front sides being guided along a steel roller (20,21) whose axis runs perpendicular to the grate plate (6). The front portions of the grate plates (6) form by primary air slots (25).
REFERENCES:
patent: 5549471 (1996-08-01), Tegtmeier et al.
patent: 5673636 (1997-10-01), Stiefel
Ciric Ljiljana V.
Doikos Investments Limited
Lazarus Ira S.
LandOfFree
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