GRATE LINE BORDERING ELEMENT FOR A COMBUSTION GRATE

Abstract

A grate line bordering element for a combustion grate for burning waste, including a channel element and a channel covering for covering the element including at least one covering element and one termination element with a locking device; wherein the termination element has a support surface which points away from the channel element and a first engaging element which is oriented towards the covering element; the covering element has a support surface which points away from the channel element, a retaining element which is oriented towards the channel element, a second engaging element which is oriented towards the termination element and is configured to receive the first engaging element, and a cut-out which is oriented towards the termination element for receiving the locking device of the closure element; and wherein the locking device is configured in such a way that it locks the termination element releasably in the channel element.

Claims

1. A grate line bordering element for a combustion grate for incinerating waste comprising: a channel element and a channel covering for covering the channel element comprising at least one covering element and one termination element with a locking apparatus; wherein the termination element has a supporting surface, pointing away from the channel element, and a first engagement element, oriented toward the covering element; wherein the covering element has a supporting surface, pointing away from the channel element, a retaining element, oriented toward the channel element, a second engagement element, oriented toward the termination element and configured to receive the first engagement element, and a cutout, oriented toward the termination element, for receiving the locking apparatus of the termination element; wherein the locking apparatus is configured in such a way that it locks the termination element releasably in the channel element.

2. The grate line bordering element as claimed in claim 1, wherein the channel covering comprises a second covering element which is of identical configuration to the first covering element.

3. The grate line bordering element as claimed in claim 1, wherein the first engagement element is configured as a projection and the second engagement element is configured as a cutout.

4. The grate line bordering element as claimed in claim 1, wherein the channel element comprises an opening, oriented toward the channel covering, for receiving the retaining element of the covering element, wherein the opening is configured as a groove with notches, and wherein the groove is of narrower configuration than the width of the retaining element, and the notches are of wider configuration than the width of the retaining element of the covering element.

5. The grate line bordering element as claimed in claim 1, wherein the channel element comprises a cooling fluid channel with a cooling fluid inlet opening and a cooling fluid outlet opening.

6. The grate line bordering element as claimed in claim 5, wherein the opening, oriented toward the channel covering, of the channel element extends into the fluid channel.

7. The grate line bordering element as claimed in claim 1, wherein the grate line bordering element comprises a seal element which is attached laterally to the wall of the channel element.

8. The grate line bordering element as claimed in claim 1, wherein the supporting surface, pointing away from the channel element, of the covering element and of the termination element is of gabled roof-like or mansard gabled roof-like configuration with rounded edges.

9. The grate line bordering element as claimed in claim 1, wherein the locking apparatus is configured as a clamp, wherein the clamp is arranged between the supporting surface of the termination element and the channel element.

10. The grate line bordering element as claimed in claim 1, wherein the supporting surface, pointing away from the channel element, of the covering element and of the termination element is of pent roof-like configuration.

11. The grate line bordering element as claimed in claim 1, wherein the locking apparatus comprises a plate and a bolt which fixes the plate in the termination element.

12. A combustion grate comprising at least two grate lines and a grate line bordering element as claimed in claim 1 which is arranged between the grate lines.

13. A combustion grate comprising at least one grate line and a grate line bordering element as claimed in claim 1 which is arranged between the grate line and a side wall of an incineration chamber of an incineration system.

14. An incineration system for the thermal treatment of waste comprising one or more combustion grates as claimed in claim 12.

Description

[0044] In the following text, the invention will be explained in greater detail on the basis of some exemplary embodiments shown in the figures. If alternative embodiments differ only in terms of individual features, the same designations have been used in each case for the unchanged features. In the figures, in each case purely diagrammatically:

[0045] FIG. 1 shows a perspective view of an incineration chamber of an incineration system,

[0046] FIG. 2 shows a perspective view of a combustion grate with a grate line bordering element,

[0047] FIG. 3 shows a perspective view of the grate line bordering element from FIG. 2,

[0048] FIG. 4 shows an exploded view of the grate line bordering element from FIG. 3,

[0049] FIG. 5 shows a perspective view of one embodiment of a channel covering,

[0050] FIG. 6 shows a bottom view of one embodiment of a covering element,

[0051] FIG. 7 shows a bottom view of one embodiment of a termination element,

[0052] FIG. 8 shows a perspective view of a combustion grate with a grate line bordering element,

[0053] FIG. 9 shows a longitudinal section through the combustion grate from FIG. 8,

[0054] FIG. 10 shows a perspective view of grate line bordering element from FIG. 8,

[0055] FIG. 11 shows an exploded view of the grate line bordering element from FIG. 10, and

[0056] FIG. 12 shows a detailed view of a seal element which is attached laterally to the wall of the channel element.

[0057] The incineration chamber 1, depicted in FIG. 1, of an incineration system comprises a side wall 3, a combustion grate 5 comprising an air-cooled grate line 7 and a water-cooled grate line 9. Furthermore, the combustion grate 5 comprises two grate line bordering elements 11, 13.

[0058] FIG. 2 shows the combustion grate 5 comprising the air-cooled grate line 7, the water-cooled grate line 9 and the grate line bordering element 11 which is arranged between the two grate lines.

[0059] FIG. 3 shows the grate line bordering element 11 comprising a channel element 15, a channel covering 17 and a seal element 19.

[0060] FIG. 4 shows the grate line bordering element 11 with a raised channel covering 17. Here, the channel covering 17 consists of two covering elements 21, 23 and a termination element 25. The channel element 15 comprises a groove 27 which extends in the longitudinal direction of the channel element 15 and has notches 29.

[0061] FIG. 5 shows a detailed view of the channel covering 17 comprising the covering elements 21, 23 and the termination element 25. The covering elements 21, 23 comprises retaining elements 31, 32 which are situated on that side of the covering elements 21, 23 which faces the channel element 15. On the side which faces away from the channel element 15, the covering elements 21, 23 have supporting surfaces 33, 35, on which the material to be burned lies. The supporting surfaces 33, 35 are of mansard gabled roof-like configuration with rounded corners in this embodiment. Furthermore, the covering elements 21, 23 have engagement elements 37, 39 which are configured here as cutouts. Here, the engagement elements 37, 39 are oriented in the direction of the termination element 25. Below the engagement elements 37, 39, the covering elements 21, 23 each have a cutout 41, 43 (wherein the cutout 43 cannot be seen in this figure in the case of the covering element 23). The cutout 41 serves to receive a locking apparatus (as will be described later). Furthermore, FIG. 5 shows a termination element 25 with a supporting surface 45 and two engagement elements 47, 49 which are configured as projections. Furthermore, the termination element 25 comprises a locking apparatus 51 which is configured as a clamp.

[0062] FIG. 6 shows a bottom view of the covering elements 21, 23 comprising the retaining elements 31, 32, the cutouts 41, 43 and the engagement element 39 (the engagement element 37 is not visible).

[0063] FIG. 7 shows a bottom view of the termination element 25 with the engagement element 47 and the locking apparatus 49.

[0064] FIG. 8 shows a detailed view of the incineration system comprising the side wall 3, the combustion grate 5 with the air-cooled grate line 7 and the grate line bordering element 13 which is arranged between the side wall 3 and the grate line 7.

[0065] FIG. 9 shows a longitudinal section through the incineration system of FIG. 8 with the side wall 3, the combustion grate 5, the air-cooled grate line 7 and the grate line bordering element 13 which is arranged between the side wall 3 and the grate line 7.

[0066] FIG. 10 shows a detailed view of the grate line bordering element 13 comprising the channel element 15 with the seal element 19 attached laterally to it, and the channel covering 17 comprising the covering elements 21, 23 and the termination element 25.

[0067] FIG. 11 shows a detailed view of the channel covering 17 with the covering elements 21, 23 and the termination element 25. Here, the supporting surfaces 33, 35 of the covering elements 21, 23 are of pent roof-shaped configuration with rounded edges. The covering elements 21, 23 have the retaining elements 31, 32 on the side which faces the channel element 15. Furthermore, on the side which faces the termination element 25, the covering elements 21, 23 comprise the engagement elements 37, 39 which are configured here as cutouts. In addition, the covering elements 21, 23 comprise, furthermore, the cutouts 41, 43 (the cutout 41 is not visible) for receiving the locking apparatus 49. Furthermore, FIG. 11 shows the termination element 25 with the locking apparatus 49 which is configured here as a plate with bolts.

[0068] FIG. 12 shows a detailed view of the transition from the grate line bordering element 13 to the combustion grate 5. The channel element 15 comprises seal elements 19 which are attached laterally to the channel element 15. The seal elements 19 are attached above a row of moving grate blocks 51 which move to and fro on sliding surfaces 53 of non-moving grate blocks 55. The seal element 19 closes a joint (not shown) which arises during the contraction of the combustion grate 5 and through which primary air might pass in an uncontrolled manner into the incineration chamber.