CN117625213A - Coke oven chute furnace end sealing wall structure - Google Patents
Coke oven chute furnace end sealing wall structure Download PDFInfo
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- CN117625213A CN117625213A CN202311491110.8A CN202311491110A CN117625213A CN 117625213 A CN117625213 A CN 117625213A CN 202311491110 A CN202311491110 A CN 202311491110A CN 117625213 A CN117625213 A CN 117625213A
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- wall
- sealing
- refractory bricks
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- chute
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- 238000007789 sealing Methods 0.000 title claims abstract description 122
- 239000000571 coke Substances 0.000 title claims abstract description 37
- 239000011449 brick Substances 0.000 claims abstract description 124
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000004927 clay Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000003763 carbonization Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The invention relates to a coke oven chute furnace end wall sealing structure, which comprises wall sealing inner layer refractory bricks and wall sealing outer layer refractory bricks, wherein staggered joints are built between the wall sealing inner layer refractory bricks and the wall sealing outer layer refractory bricks; the sealing wall inner refractory bricks, the sealing wall outer refractory bricks and the chute main single wall and the sealing wall refractory bricks of the regenerator furnace end are built by occlusion. The triangular area sealing wall of the furnace end adopts two layers of refractory bricks for staggered joint masonry, and the inner refractory brick layer, the outer refractory brick layer and the surrounding wall body adopt meshed masonry, so that the inside of the chute is better isolated from the outside of the furnace, the furnace end sealing wall of the chute is ensured to have excellent sealing performance, the heat dissipation is favorably reduced, the temperature of the furnace end is ensured to be constant, the fuel and the energy are saved, and the long-term stable operation and the accurate regulation of the coke oven are realized.
Description
Technical Field
The invention relates to the technical field of coke ovens, in particular to a furnace end sealing wall structure of a chute of a coke oven.
Background
The coke oven consists of five parts, namely a regenerator, a chute, a carbonization chamber, a combustion chamber and a furnace top; the regenerator is arranged at the lower part of the furnace body, the top is connected with the combustion chamber through a chute, the carbonization chamber and the combustion chamber are arranged alternately, and the furnace body above the carbonization chamber and the combustion chamber is called a furnace top.
The vertical flame path cavity of the combustion chamber is communicated with the regenerative chamber cavity through the inclined path, the vertical flame paths in the combustion chamber are cavities which are distributed at intervals, the outer side of the refractory brick at the position of the combustion chamber corresponding to the furnace end is provided with a protection plate and a furnace column, and the inner side of the protection plate is grouted to ensure tightness.
The heat accumulating chamber is one structure set along the side of the heat accumulating chamber and with one partition structure, and the sealing wall of the heat accumulating chamber corresponding to the furnace end is built with several layers of fireproof bricks with heat insulating material painted to the outer side and through fire test to ensure the tightness.
However, the two layers of brickwork at the lower part of the chute are overhanging transition structures, and the structure is approximately triangular when observed from the furnace end (the invention refers to a furnace end triangular area sealing wall), and straight slits exist in the brickwork forming the furnace end triangular area sealing wall, so that if mortar is not full, the air tightness of the furnace end sealing wall of the chute is poor, gas channeling outside and inside the furnace is easy to occur, the temperature of the furnace end flame is reduced, the temperature and pressure regulation in the furnace are affected, the condition that open fire burns out refractory bricks and metal structural members possibly occurs in severe cases, and the service life of the coke oven is shortened.
Therefore, the sealing performance of the furnace end sealing wall of the chute is guaranteed to be good, and the sealing wall is another key link for long-term stable operation and accurate adjustment of the coke oven.
Disclosure of Invention
The invention provides a coke oven chute furnace end sealing wall structure, wherein a furnace end triangular area sealing wall is built by two layers of refractory bricks through staggered joint, and an inner refractory brick layer and an outer refractory brick layer are built with surrounding walls through engagement, so that the inside of a chute is better isolated from the outside of the furnace, the chute furnace end sealing wall is ensured to have excellent sealing performance, heat dissipation is reduced, the temperature of the furnace end is ensured to be constant, fuel and energy are saved, and long-term stable operation and accurate adjustment of the coke oven are realized.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
a sealing wall structure of a coke oven chute furnace head comprises an inner sealing wall refractory brick and an outer sealing wall refractory brick, wherein the inner sealing wall refractory brick and the outer sealing wall refractory brick are built in a staggered joint manner; the sealing wall inner refractory bricks, the sealing wall outer refractory bricks and the chute main single wall and the sealing wall refractory bricks of the regenerator furnace end are built by occlusion.
Furthermore, the number of the refractory bricks at the inner layer of the sealing wall and the refractory bricks at the outer layer of the sealing wall is 2, and each layer is provided with 1-3 blocks; the concave-convex structure occlusion masonry is adopted between the 2 refractory bricks of the inner layer of the sealing wall adjacent to the same layer and between the 2 refractory bricks of the outer layer of the sealing wall adjacent to the same layer.
Furthermore, the inner layer refractory bricks of the wall are silica bricks.
Furthermore, the outer layer refractory bricks of the sealing wall adopt clay bricks or high-alumina bricks.
Furthermore, the refractory bricks at the inner layer of the sealing wall and the refractory bricks at the outer layer of the sealing wall are respectively provided with a bulge at one side close to the main single wall of the chute, and are matched with the grooves arranged on the main single wall of the chute to realize occlusion masonry.
Further, expansion joints are reserved on brickworks, wherein the inner refractory bricks of the sealing wall and the outer refractory bricks of the sealing wall are connected with the main single wall of the chute; the expansion joints are arranged between the sealing wall inner layer refractory bricks or the sealing wall outer layer refractory bricks and the adjacent layer 2 refractory bricks or between the sealing wall inner layer refractory bricks and the sealing wall outer layer refractory bricks and the adjacent chute main single-wall refractory bricks.
Further, the coke oven is a top-loading coke oven, a tamping coke oven and a top-loading and tamping two-in-one coke oven.
Compared with the prior art, the invention has the beneficial effects that:
the triangular area sealing wall of the furnace end adopts two layers of refractory bricks for staggered joint masonry, and the inner refractory brick layer, the outer refractory brick layer and the surrounding wall body adopt meshed masonry, so that the inside of the chute is better isolated from the outside of the furnace, the furnace end sealing wall of the chute is ensured to have excellent sealing performance, the heat dissipation is favorably reduced, the temperature of the furnace end is ensured to be constant, the fuel and the energy are saved, and the long-term stable operation and the accurate regulation of the coke oven are realized.
Drawings
FIG. 1 is a front view of a coke oven chute furnace end wall sealing structure according to the present invention.
Fig. 2 is A-A view of fig. 1.
Fig. 3 is a B-B rotated view of fig. 1.
In the figure: 1. sealing wall inner layer refractory bricks 2, sealing wall outer layer refractory bricks 3, chute main single wall 4, and sealing wall of regenerator furnace end
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
1-3, the coke oven chute furnace end wall sealing structure comprises an inner wall sealing refractory brick 1 and an outer wall sealing refractory brick 2, wherein the inner wall sealing refractory brick 1 and the outer wall sealing refractory brick 2 are built by staggered joint; the inner sealing wall refractory bricks 1, the outer sealing wall refractory bricks 2, the chute main single wall 3 and the regenerator furnace end sealing wall 4 refractory bricks are built by engagement.
Furthermore, the number of the refractory bricks 1 of the inner wall sealing layer and the refractory bricks 2 of the outer wall sealing layer is 2, and each layer is provided with 1-3 blocks; the concave-convex structure occlusion masonry is adopted between the 2 refractory bricks 1 of the inner layer of the sealing wall adjacent to the same layer and between the 2 refractory bricks 2 of the outer layer of the sealing wall adjacent to the same layer.
Furthermore, the wall sealing inner layer refractory bricks 1 are silica bricks.
Furthermore, the wall-sealing outer layer refractory bricks 2 adopt clay bricks or high-alumina bricks.
Furthermore, the refractory bricks 1 and 2 are respectively provided with protrusions at one side close to the main single wall 3 of the chute, and are matched with grooves formed in the main single wall 3 of the chute to realize occlusion masonry.
Further, expansion joints are reserved on brickworks connected with the inclined channel main single wall 3 through the inner-wall sealing refractory bricks 1 and the outer-wall sealing refractory bricks 2; the expansion joints are arranged between the sealing wall inner layer refractory bricks 1 or the sealing wall outer layer refractory bricks 2 and the adjacent refractory bricks of the layer 2, or between the sealing wall inner layer refractory bricks 1 and the sealing wall outer layer refractory bricks 2 and the adjacent chute main single wall 3 refractory bricks.
Further, the coke oven is a top-loading coke oven, a tamping coke oven and a top-loading and tamping two-in-one coke oven.
The following examples are given by way of illustration of detailed embodiments and specific procedures based on the technical scheme of the present invention, but the scope of the present invention is not limited to the following examples.
[ example ]
As shown in fig. 1-3, in this embodiment, the wall sealing structure of the coke oven chute furnace head comprises an inner wall sealing refractory brick 1 and an outer wall sealing refractory brick 2, and the two layers of refractory bricks are laid by staggered joint. The inner-wall sealing refractory bricks 1 and the outer-wall sealing refractory bricks 2 are respectively provided with bulges at the parts close to the contact parts of the inner side of the furnace and the inclined channel main single wall 3 and are matched with grooves arranged on the inclined channel main single wall 3 to form an embedded type occlusion masonry structure. Along sealing the wall high to, also adopt inlay interlock structure to build between the 2 adjacent layers of resistant firebricks, make the chute inside and outside the stove have the straight seam, guarantee that chute furnace end seals the wall and has good sealing performance, make chute furnace end seals the wall and becomes a inseparable whole with chute owner single wall 3, structural strength is good, stability and air tightness are good, the heat loss is few, is favorable to making the inside gas regulation of coke oven more accurate, heat exchange efficiency is higher, energy saving and consumption reduction effect is better.
In the embodiment, the sealing wall inner layer refractory bricks 1 and the sealing wall outer layer refractory bricks 2 are all 2 layers, wherein the 2 layers of the sealing wall outer layer refractory bricks 2 are composed of 2 refractory bricks, the lower layer of the sealing wall inner layer refractory bricks 1 is 3 refractory bricks, and the upper layer of the sealing wall inner layer refractory bricks is 2 refractory bricks; in the inner layer refractory bricks 1 and the outer layer refractory bricks 2, 2 adjacent refractory bricks on the same layer are embedded, meshed and built.
In this embodiment, when the sealing wall inner layer refractory bricks 1, the sealing wall outer layer refractory bricks 2 and the chute main single wall 3 are embedded and meshed for masonry, thermal expansion in the production process of the coke oven is considered, and expansion joints need to be reserved. The expansion joint is arranged between the wall sealing refractory bricks (comprising the wall sealing inner layer refractory bricks 1 and the wall sealing outer layer refractory bricks 2) and the adjacent chute main single wall 3 refractory bricks.
In this embodiment, the wall-sealing inner layer refractory bricks 1 are silica bricks, and the wall-sealing outer layer refractory bricks 2 are clay bricks.
In the embodiment, the chute furnace end sealing wall and the regenerator furnace end sealing wall 4 are embedded and meshed for masonry.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The coke oven chute furnace end wall sealing structure is characterized by comprising wall sealing inner layer refractory bricks and wall sealing outer layer refractory bricks, wherein staggered joints are built between the wall sealing inner layer refractory bricks and the wall sealing outer layer refractory bricks; the sealing wall inner refractory bricks, the sealing wall outer refractory bricks and the chute main single wall and the sealing wall refractory bricks of the regenerator furnace end are built by occlusion.
2. The wall sealing structure of the coke oven chute furnace end according to claim 1, wherein the number of the refractory bricks at the inner wall sealing layer and the refractory bricks at the outer wall sealing layer is 2, and each layer is provided with 1-3 blocks; the concave-convex structure occlusion masonry is adopted between the 2 refractory bricks of the inner layer of the sealing wall adjacent to the same layer and between the 2 refractory bricks of the outer layer of the sealing wall adjacent to the same layer.
3. The wall sealing structure for a coke oven chute furnace end according to claim 1, wherein the wall sealing inner layer refractory bricks are silica bricks.
4. The wall sealing structure of the coke oven chute furnace end according to claim 1, wherein the outer refractory bricks of the wall sealing layer adopt clay bricks or high-alumina bricks.
5. The wall sealing structure of the coke oven chute furnace end according to claim 1, wherein the inner refractory bricks of the wall sealing layer and the outer refractory bricks of the wall sealing layer are respectively provided with bulges at one side close to the main single wall of the chute, and are matched with grooves arranged on the main single wall of the chute to realize occlusion masonry.
6. The coke oven chute furnace end wall sealing structure according to claim 1, wherein expansion joints are reserved on brickwork of the inner wall sealing refractory bricks and the outer wall sealing refractory bricks connected with the chute main single wall; the expansion joints are arranged between the sealing wall inner layer refractory bricks or the sealing wall outer layer refractory bricks and the adjacent layer 2 refractory bricks or between the sealing wall inner layer refractory bricks and the sealing wall outer layer refractory bricks and the adjacent chute main single-wall refractory bricks.
7. The coke oven chute furnace end wall sealing structure according to claim 1, wherein the coke oven is a top-loading coke oven, a tamping coke oven and a top-loading and tamping two-in-one coke oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311491110.8A CN117625213A (en) | 2023-11-10 | 2023-11-10 | Coke oven chute furnace end sealing wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311491110.8A CN117625213A (en) | 2023-11-10 | 2023-11-10 | Coke oven chute furnace end sealing wall structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117625213A true CN117625213A (en) | 2024-03-01 |
Family
ID=90020771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311491110.8A Pending CN117625213A (en) | 2023-11-10 | 2023-11-10 | Coke oven chute furnace end sealing wall structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117625213A (en) |
-
2023
- 2023-11-10 CN CN202311491110.8A patent/CN117625213A/en active Pending
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