Loose-material grate with volumetric control of gaseous coolant
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United States of America Patent
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-
Nov 30, 1999
Grant Date -
N/A
app pub date -
Aug 15, 1997
filing date -
Aug 22, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A loose-material grate includes a grate surface for receiving loose material and a chamber arrangement below the grate surface supplies the grate surface with a gas, for example cooling air. A lattice arrangement with adjustable openings is provided spaced from the grate surface. The adjustable openings communicate with grate surface openings of the associated grate surface. The lattice arrangement preferably is divided into several lattice sections, which have openings adjusted independently from one another, whereby the adjustable openings of the lattice sections, each sealed off from other lattice sections, communicate with the grate surface openings of associated areas of the grate surface. The adjustable openings of the lattice sections enable adjustment of the resistance of the grate, if necessary, differently at various grate sections depending on the demands for cooling.
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