Means for longitudinally sealing bellows in moving grate installations

Abstract

A device for heat treatment of bulk materials, comprising a moving grate chain rotatable in the direction of movement, the moving grate chain being constituted by an annular moving grate (1) with movable chain links. Such a mobile grate chain has a plurality of pallet trucks (3), each of which has a frame (30) with end pieces (33) and a grate bar (35) arranged on a beam (32). Constructed, the bearing wheel (31) is fixed on the end piece (33). Further, the bellows (41, 43) are arranged such that from at least one bellows (41, 43), the gas passes through the pallet truck (3) and the grate bars (35) of the pallet truck (3) from the bellows (41, 43) flow or flow into the bellows (41, 43). At each pallet car (3) of the moving grate (1), at least one sealing sheet (60) is each mounted parallel to the direction of movement and aligned with the pallet car (3), wherein in the moving At least one sealing box (50) is arranged in at least one part of the grate (1) parallel to the movement direction. A liquid medium may be filled into the at least one sealing box (50), wherein the sealing box (50) is arranged such that the sealing sheet (60) is immersed in the liquid (L).

Description

technical field [0001] The invention relates to a plant for the heat treatment of bulk materials, comprising a chain of moving grates capable of rotating in the direction of motion, said chain of moving grates consisting of an annular moving grate with movable pallet trucks and at least two bellows, each consisting of a frame with beams and end pieces and grate bars arranged on the beams, the at least two bellows being arranged so that the gas passes through the grate The grate established by the rods flows from or into the at least two wind boxes. The invention also relates to a method for the thermal treatment of bulk material in said plant. Background technique [0002] In pellet combustion or sintering machines, bulk material to be processed, such as iron ore, iron oxide, manganese ore or otherwise zinc ore, is loaded onto pallet trucks. These pallet trucks consist of a frame provided with wheels and consisting of end pieces and beams and grate bars arranged between th...

AI Technical Summary

Problems solved by technology

[0019] However, leaks often occur due to deformation caused by higher temperature differences in the sintering machine and normal wear caused by friction and the presence of dust

Also, these seals are consumable items and high-end maintenance is required to replace them, especially since the entire sintering machine has to be shut down

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