Abstract
Coke oven door sealing device for sealing a coke oven door against a sealing surface of a coke oven door frame of a coke oven chamber, the coke oven door sealing device comprising: a coke oven door having a panel unit for closing the coke oven chamber; a fixture device for holding a sealing piece in a peripheral area of the coke oven door opposite to the sealing surface; the sealing piece, wherein the sealing piece is configured to be operated in a first operating state or a second operating state; wherein, in a first operating state, the sealing piece is spaced at a first distance from the sealing surface arranged opposite of the sealing piece; wherein, in a second operating state, the sealing piece contacts the sealing surface; such that in the second operating state, the sealing piece and the panel unit at least partially shape a cavity and wherein the coke oven door sealing device (1) further comprises a first insulation element (14) for thermally insulating the sealing piece (13), wherein the first insulation element (14) is arranged on the fixture device (11).
Claims
1. Coke oven door sealing device for sealing a coke oven door against a sealing surface of a coke oven door frame of a coke oven chamber, the coke oven door sealing device comprising: a coke oven door having a panel unit for closing the coke oven chamber; a fixture device for holding a sealing piece in a peripheral area of the coke oven door opposite to the sealing surface, wherein the fixture device is attached to the panel unit; the sealing piece wherein the sealing piece is configured to be operated in a first operating state or a second operating state; wherein, in a first operating state, the sealing piece is spaced at a first distance from the sealing surface arranged opposite of the sealing piece; and wherein, in a second operating state, the sealing piece contacts the sealing surface; such that in the second operating state, the sealing piece and the panel unit at least partially shape a cavity; and wherein the coke oven door sealing device further comprises a first insulation element for thermally insulating the sealing piece, wherein the first insulation element is arranged on the fixture device and the first insulation element is arranged between the fixture device and the panel unit, so that the fixture device is indirectly attached to the panel unit.
2. The coke oven door sealing device according to claim 1, wherein a seal protection element for isolating the sealing piece from the coke oven chamber is arranged on the panel unit.
3. The coke oven door sealing device according to claim 1, wherein the seal protection element contacts the first insulation element.
4. The coke oven door sealing device according to claim 1, wherein the seal protection element is arranged opposite to the first insulation element.
5. The coke oven door sealing device according to claim 1, wherein the coke oven door frame-P comprises a collar member for defining at least a portion of the coke oven chamber.
6. The coke oven door sealing device according to claim 5, wherein the sealing surface is arranged on at least a portion of the collar member.
7. The coke oven door sealing device according to claim 5, further comprising a second insulation element for thermally insulating the sealing piece, wherein the second insulation element is arranged between the collar member and the coke oven door frame.
8. The coke oven door sealing device according to claim 5, wherein the collar member comprises a top section for supporting the panel unit or the seal protection element when the coke oven door is in a closed state.
9. The coke oven door sealing device according to claim 5, wherein the collar member presents a tapering profile.
10. The coke oven door sealing device according to claim 1, wherein the sealing piece comprises a hollow body for retaining a medium; and/or wherein the sealing piece presents a ring-shaped structure to the sealing surface.
11. The coke oven door sealing unit according to claim 1, wherein the fixture device comprises a base segment for supporting the sealing piece and a lid segment for delimiting the sealing piece; wherein the base segment and the lid segment form a groove for retaining the sealing piece.
12. The coke oven door sealing device according to claim 11, wherein a depth of the groove of the fixture device is larger than a width of the cavity; and/or wherein, in the first operating state, the depth of the groove of the fixture device is larger than the depth of the sealing piece.
13. Coke oven chamber comprising a coke oven door sealing device according to claim 1.
14. Coke oven battery comprising a coke oven chamber according to claim 13.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
[0048] Embodiments of the disclosure are now described by way of example and with reference to the attached drawings, wherein
[0049] FIG. 1: is a top view of an embodiment of a coke oven door sealing device;
[0050] FIG. 2: is an enlarged vertical sectional view along section line A-A of the edging area of the coke oven door shown in FIG. 1;
[0051] FIG. 3: is a sectional view of an alternative embodiment of the coke door sealing device having a coke oven door frame with an attached collar member;
[0052] FIG. 4: is a sectional view of an alternative embodiment of the coke oven door sealing device, wherein a seal protection element is arranged on the panel unit;
[0053] FIG. 5: is a sectional view of an alternative embodiment of the coke oven door sealing device, wherein the seal protection element is arranged opposite the fixture device;
[0054] FIG. 6: is a sectional view of an alternative embodiment of the coke oven door sealing device, wherein the fixture device is attached to the panel unit by screws.
DETAILED DESCRIPTION
[0055] FIG. 1 shows a top view of a coke oven door sealing device 1, the frame is not shown. FIG. 2 is an enlarged vertical sectional view along section line A-A of the edging area of the coke oven door shown in FIG. 1. In FIG. 2, the coke oven door 1 is in a closed state. The coke oven door sealing device 1 comprises a coke oven door 10 for fitting into or on a coke oven door frame 20 of a coke oven chamber 31. The coke oven door 10 comprises a panel unit 9 for closing the coke oven chamber 31. A fixture device 11 having a groove 12 is arranged at a peripheral area of the coke oven door 10, respectively panel unit 9. The fixture device comprises base segment 17 and a lid segment 16. Base segment 17 and lid segment 16 form a groove 12 for holding sealing piece 13. The sealing surface 21 is arranged opposite and at a distance from groove 12. The sealing piece 13 comprising an inflatable seal is mounted within the groove 12. The groove 12 and the sealing piece 13 form a frictionally and/or form-fit connection. The sealing piece 13 has a hollow body for retaining a medium (not shown), e.g. pressurized gas. The sealing piece 13 is made of an elastic material, for example silicone, which is configured for being operated at approximately 300? Celsius. The sealing piece 13 has a ring-like structure that surrounds the peripheral area of the coke oven door 10 completely (not shown).
[0056] The hatched surface of sealing piece 13 in FIG. 2 shows the inflatable seal in a first operating state. In the first operating state, the sealing piece 13 is spaced at a distance D from the contact surface 21 arranged opposite of the sealing piece 13. The dash-dotted depiction of sealing piece 13 in FIG. 2 shows the inflatable seal in its a second operating state, wherein the sealing piece 13 contacts the contact surface 21. In the first operating state, a depth G of the groove 12 is greater/larger than the depth S of the sealing piece 13. The depth G of the groove 12 of the fixture device 11 is larger, at least two times larger, than a width C of the cavity 32. In this context, it must be noted that the depth C of the cavity may for example also depend on or be influenced by tolerances of the coke oven door 10 and/or the coke oven door frame 20 and/or additional further constructional elements connected to the coke oven door 10, such as, for example, one or a plurality of mounting/dismounting devices (not shown). In addition to that, during coking, further changes of the dimensioning may occur due to thermal expansion of the different constructional elements. With other words, the depth of the groove G, the width of the cavity C, as well as the depth S of the sealing piece 13 may slightly vary. For example, the retracting distance G inside the groove may be directly depending on the stroke of the sealing element 13.
[0057] The coke oven door frame 20 is provided with a collar member 22. The collar member 22 is integral with the coke oven door frame 20. The collar member 22 extends from the coke oven door frame 20. The sealing surface 21 is arranged on a lateral portion of the collar member 22. The collar member 22 has a tapered profile. The profile of collar member 22 tapers towards a top section 29. Top section 29 supports panel unit 9 when the door is in a closed position. The fixture device 11 holds the sealing piece 13 opposite to the coke oven door frame 20, respectively the sealing surface 21 of the collar member 22 of the coke oven door frame 20.
[0058] In the second operating state of the sealing piece 13, a cavity 32 is formed by the sealing piece 13 and the panel unit 9. The cavity 32 is further delimited by sections of the first insulation element 14, the fixture lid segment 16 of the fixture device 11 and collar member 22. The first insulation element 14 is arranged between lid segment 16 and panel unit 9 at a peripheral area, respectively on an edge, of panel unit 9. During the transition of the sealing piece 13 from the first operating state to the second operating state, the sealing piece 13 forms a closure of cavity 32. The first insulation element 14 may comprise or be formed out of a mica or a similar material. The first insulation element 14 presents a thermal isolation/insulation against the heat of the coke oven door frame 20 and the coke oven chamber 31. The first insulation element 14 thereby contributes to the thermal isolation/insulation of the sealing piece 13.
[0059] FIG. 3 shows a sectional view of an alternative embodiment of the coke door sealing device 1 having a coke oven door frame 20 with an attached collar member 22. Contrary to the embodiment shown in FIG. 2, the collar member 22 is not integral with the coke oven door frame 20. The collar member 22 presents a L-like shaped profile extending from a surface of the coke oven door frame 20. The collar member 22 partially delimits coke oven chamber 31. The fixture device 11 is indirectly attached to the panel unit 9 at a peripheral area of panel unit 9. A first insulation element 14 is arranged between the lid segment 16 of fixture device 11 and a surface of the panel unit 9. A second insulation element 23 is arranged between the collar member 22 and a surface portion of the coke oven door frame 20. The first insulation element 14 presents a thermal isolation/insulation against the heat of the coke oven door frame 20 and the coke oven chamber 31. Like the first insulation element 14, the second insulation element 23 also contributes to the thermal isolation/insulation of the sealing piece 13. The second insulation element 23 may comprise or be formed out of a mica or a similar material. The second insulation element 23 presents a thermal isolation/insulation against the heat of the coke oven door frame 20 and the coke oven chamber 31.
[0060] FIG. 4 shows a sectional view of an alternative embodiment of the coke oven door sealing device 1, wherein a seal protection element 30 is arranged on the panel unit 9. The seal protection element 30 in FIG. 4 presents as an angled spring plate/shield being attached to the panel unit 9 of coke oven door 10. It must be noted that a smaller shield is also possible. The seal protection element may be integral with the panel unit 9 (not shown). In a closed state of the coke oven door 10, an end portion of the seal protection element 30 contacts top section 29 of the collar member 22. A portion of the seal protection element 30 is arranged between panel unit 9 and the first insulation element 14. In the embodiment shown in FIG. 4, the collar member 22 is integral with coke oven door frame 20. In the second operating state of sealing piece 13, the cavity 32 is defined by a portion of the seal protection element 30, a portion of the collar member 22, a portion of the lid segment 16 of fixture device 11, a portion of a first insulation element 14 and a portion of a sealing piece 13. During the transition of the sealing piece 13 from the first operating state to the second operating state, the sealing piece 13 forms a closure of cavity 32.
[0061] FIG. 5 shows a sectional view of an alternative embodiment of the coke oven door sealing device 1, wherein the seal protection element 30 is arranged opposite the fixture device 11. Similarly to the embodiment shown in FIG. 4, the embodiment shown in FIG. 5 presents a collar element 22 integral with the coke oven door frame 20. The seal protection element 30 in FIG. 5 presents also as an angled spring plate/shield being attached to the panel unit 9 of coke oven door 10. In a closed state of the coke oven door 10, an end portion of the seal protection element 30 contacts top section 29 of the collar member 22. The insulation element 14 is arranged between a peripheral portion of the panel unit 9 and the fixture device 11, wherein the fixture device 11 for holding the sealing piece 13 comprises the lid segment 16 and the base segment 17. In the second operating state of sealing piece 13, the cavity 32 is defined by a portion of the seal protection element 30, a portion of the collar member 22, a portion of the lid segment 16 of fixture device 11, a portion of the first insulation element 14, a portion of the panel unit 9 and a portion of a sealing piece 13. Since an external side, respectively outward facing side of panel unit 9, i.e. a side which is situated opposite to the inner side of panel unit 9, is air cooled, the embodiment shown in FIG. 5 allows a particularly continuous dissipation of a heat quantity present in cavity 32.
[0062] FIG. 6 is a sectional view of an alternative embodiment of the coke oven door sealing device 1, wherein the fixture device 11 is attached to the panel unit 9 by screws. Similar to the embodiments shown in FIG. 3, the embodiment shown in FIG. 6 shows a coke door sealing device 1 having a coke oven door frame 20 with an attached collar member 22. The collar member 22 presents a L-like shaped profile extending from a surface of the coke oven door frame 20. The collar member 22 partially delimits coke oven chamber 31. A first insulation element 14 is arranged between the lid segment 16 of fixture device 11 and a surface of the panel unit 9. A second insulation element 23 is arranged between the collar member 22 and a surface portion of the coke oven door frame 20. The first insulation element 14 and the second insulation element 23 present each a thermal insulation/isolation against the heat of the coke oven door frame 20 and the coke oven chamber 31. Contrary to the embodiment shown in FIG. 3, the embodiment illustrated in FIG. 6 presents a frame bar 28. The frame bar 28 extends perpendicularly from the coke oven door frame 20. The frame bar 28 is integral with the coke oven door frame 20. At least a portion of frame bar 28 is air cooled, so that the frame bar enhances the heat dissipation from of the coke oven door frame. The fixture device 11 is attached to the panel unit 9 at a peripheral area of panel unit 9 by means of a first screw 33. The fixture device 11 comprises a vertical through-hole 34, through which the screw 33 extends. Similarly, the collar members 22 as well as the second insulating element 23 are fixed by a second screw 35 to the coke oven door frame 20.
[0063] The discussed examples are embodiments of the disclosure. In the case of the embodiments, the described components of the respective embodiment each represent individual features of the disclosure which are to be considered independently of each other and which also further develop the disclosure independently of each other. The features are thus also to be regarded as components of the disclosure individually or in a combination other than the combination shown. Furthermore, the described embodiments can also be supplemented by further features of the disclosure already described.
[0064] Further features and embodiments of the disclosure result for the skilled person in the context of the present disclosure and the claims.
