| 摘要 |
A grate mechanism 20, suitable for use in a gasifier, comprises a multiplicity of grate bars 10, 18 arranged side-by-side in a common plane, alternate gate bars 10 being movable lengthwise so as to move relative to adjacent gate bars 18, and wherein each grate bar defines a multiplicity of recesses 14 along both sides of the bar, recesses on one side of the bar being arranged alternately with recesses on the opposite side of the bar along the length of the bar. Preferably, the alternate grate bars are connected to a linking mechanism whereby the alternate grate bars can be moved simultaneously. The linking mechanism can ensure that lengthwise movement of alternate grate bars does not subject the grate bars to tension. The upper surfaces of all the grate bars may be provided with upwardly projecting teeth ( 12, Fig. 1). A processing plant incorporating the gate mechanism is also claimed.
|
