US 10,126,055 B2Granted

Supply chute for sinter material

AssigneePrimetals Technologies Austria GmbH

InventorsMichaela Boeberl, Edmund Fehringer, Stephan Hattinger, Stefan List

Life of this patent

Estimating the term…

Loading patent…

Abstract

A supply chute, and a system and a method for supplying sinter material from a sinter belt to a sinter cooler (26). A flow of the sinter material (16) is input into the supply chute (1). The flow of sinter material (16) after being input is concentrated by a device in the chute. This means that the flow is remixed for more uniform grain size distribution. The flow is thereafter widened by a widening device in the chute. Then the widened flow of sinter material (16), optionally after making the movement direction of the flow of sinter material (16) uniform, the flow is passed through a segregation device (8,25) and is there segregated, which means that a grain size distribution across the thickness and across the width of the flow is made more uniform. This occurs after the widened flow of sinter material moves in the direction of the output region (5). After passing through the output region (5), the flow of sinter material (16) is supplied to the sinter cooler (26), wherein the horizontal main component B of the movement direction of the flow of sinter material is largely perpendicular to the horizontal main component A of the movement of sinter material by the sinter belt.

Claims20

Dependent claims

A sinter material supplying apparatus, comprising:

a sinter belt configured to advance sinter material along a direction of movement having a first main horizontal component toward an input region;
a supply chute configured for passage of sinter material therethrough, the chute having the input region to which the sinter belt delivers the sinter material;
the supply chute comprising a shaft through which the sinter material passes from the input region of the shaft, the chute having an output region from the shaft for the sinter material, the chute being defined by a plurality of sidewalls;
in the shaft of the supply chute, between the input region and the output region, the shaft including a sinter material concentrating device configured for concentrating and therefore remixing the flow of the sinter material from the input region past the concentrating device into a flow of the sinter material that is remixed to reverse an uneven particle grain size distribution different from the particle grain size distribution of the flow of the sinter material prior to the concentrating device;
the concentrating device comprising a first support supported in the shaft of the supply chute at a first orientation of the first support for retaining a first cushion of the sinter material on the first support during the concentrating of the flow of sinter material past the concentrating device;
the concentrating device being followed in the chute by a widening device which comprises a second support supported in the shaft at a second orientation of the second support for retaining a second cushion of the sinter material on the second support during the widening of the flow of the sinter material past the widening device, wherein the widening is positioned and configured to convey the sinter material to enter the output region,
wherein a top portion of the widening device is supported by a sidewall of the plurality of sidewalls;
a segregating device configured thereafter, and positioned to segregate the flow of sinter material so as to urge a particle grain size distribution across the thickness of flow of the sinter material from top to bottom that is substantially uniform across the width of the flow for passing through the output region;
and
the output region following the segregating device;
following the output region from the chute, the system being configured such that the direction of movement of the sinter material past the output region is in a second direction of movement that is substantially orthogonal to the first main horizontal component.

8 more elements

A supply chute for supplying a sinter material between an input region of the chute and an output region of the chute below the input region, the chute comprising:

an upper end and the input region is at the upper end;
a hollow shaft positioned below the upper end and having an interior;
a lower end, and the output region is at the lower end of the shaft;
a plurality of sidewalls, the sidewalls bounding the shaft and extending between the input region and the output region;
a concentrating device supported in the shaft interior below the input region, the concentrating device being configured for concentrating the flow of sinter material passing the concentrating device to a narrower flow;
a widening device supported in the shaft interior, the widening device positioned following the concentrating device in the shaft and configured for widening the flow of sinter material passing the widening device to a wider flow,
wherein a top portion of the widening device is supported by a sidewall of the plurality of sidewalls;
a segregating device supported in the shaft interior following the widening device and configured for segregating the flow of sinter material toward the output region;
the shaft of the supply chute being comprised of at least two chute modules arranged in succession one above the other defining a vertical orientation of the shaft;
and
at least one of the chute modules is movable laterally with respect to the other.

8 more elements

A supply chute for supplying a sinter material between an input region of the chute and an output region of the chute below the input region, the chute comprising:

an upper end, and the input region is at the upper end;
a hollow shaft below the upper end;
an output region at a lower end of the shaft the shaft;
and
a plurality of sidewalls bounding the shaft and extending between the input region and the output region;
a first support in the shaft positioned to receive sinter material from the input region and configured to support a cushion of the sinter material lying on the first support;
and
a second support in the shaft below the first support and configured for supporting a cushion of the sinter material lying on the second support,
wherein a top portion of the second support is supported by a sidewall of the plurality of sidewalls;
a segregating device below the second support in the path of the sinter material in the shaft and configured for segregating a flow of the sinter material into a plurality of flows thereof toward the output region;
the shaft of the supply chute is comprised of at least two chute modules arranged in succession one above the other defining a vertical orientation of the shaft;
and
at least one of the chute modules is movable laterally with respect to the other.

10 more elements

Dependencies are inferred from the claim text.