Step grate
OwnerBalduin L. Pauliinventor
Life of this patent
Estimating the term…
Abstract
A step grate including feeding means, distributor, step grate elements and combustion grate, comprising a stationary flat grate on which the distributor acts, and at least one further flat grate associated therewith on which a further distributor acts, in each case with combustion air supply, this being followed by the combustion grate, and the stationary flat grate steps may be followed by pivot grate bars, said stationary flat grates being divided in two and downwardly up to 80% completely sealed.
Claims11
In a step grate for combustion of sludge material, including feeding means, a plurality of step grate elements, comprising a vertical stationary element and a horizontal pivotable element, a distributor associated with said feeding means for transporting partially burned combustion material to a first step grate element, a combustion grate following the last of said step grate elements, and means for lifting and stirring said horizontal pivotable element so as to feed the combustion materials to the next step grate element, the improvement which comprises a first stationary flat grate disposed beneath the distributor, a further distributor disposed beneath said first stationary grate, and a second stationary flat grate disposed beneath said further distributor, each of said first and second stationary flat grates being divided into two parts to compensate for heat expansion thereof, and over 80% of the bottom side of each of said first and second stationary flat grates being completely closed, the distributor transporting combustion material from said first stationary flat grate to said second stationary flat grate, and said further distributor transporting combustion material from said second stationary flat grate to said first step grate element.
Dependencies are inferred from the claim text.