Patent ID: 8522697

Claim:
Waste disposal plant comprising a combustion chamber inside which waste laid on a combustion grate are burnt, which permits the entrance of an adequate quantity of combustion air in the chamber, said combustion grate comprising at least a handling group formed by a plurality of fire bars or plates, which move alternatively one with respect to the other by advancing the waste on said grate and are divided in movable fire bars and fixed fire bars, alternately disposed one with respect to another, on transversal rows resting one upon another according to a longitudinal placement with alternate steps, the fixed fire bars being bound to a fixed frame and the movable fire bars being bound to a movable frame, which moves through handling means with respect to the fixed frame the handling group comprises a guide assembly of movement of the movable frame, comprising an axis associated to the fixed or carrying frame, formed by an inner shaft on which one or more wheels are fitted flush with a substantially horizontal axis on which the movable frame slides, and an outer shaft on which a bushing with a slidable coupling along the axis is fitted flush, to which one or more wheels are fixed with a substantially vertical axis, which encounter a lateral edge of the movable frame, so that the movable frame is forced to move on a seat delimited inferiorly by the wheels of the inner shaft and laterally by the wheels of the outer shaft.