Method and device for treating bulk products

Details Method and device for treating bulk products Method and device for treating bulk products

2005-08-09

2005-08-09

Wilson, Gregory (Department: 3749)

Heating

With work cooling structure

Combustion feed air cools exiting work by contact

C432S137000, C110S281000

Reexamination Certificate

active

06926521

ABSTRACT:
Method and apparatus for treating, in particular cooling, bulk material which is lying on a conveying grate (10) in the form of a layer (20). The gas is passed through the grate (10) and the layer (20) from the bottom upward. The grate is moved forward and back in its entirety, with the layer of material (20) being held in place during the return stroke. The stroke frequency is selected to be sufficiently low for there to be substantially no vertical mixing of the layer of material (20). A blocking plate (30) or the like is provided for the purpose of holding the layer (20) in place. The avoidance of the vertical relative movement within the layer of material (20) improves the heat recovery.

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International Application No. WO 00/31483 Publication Date: Jun. 2, 2000.
European Patent Application No. EP 0 718 578 A2 Publication Date: Jun. 26, 1996.

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