CN219861195U - Heat recovery coke oven vault structure - Google Patents
Heat recovery coke oven vault structure Download PDFInfo
- Publication number
- CN219861195U CN219861195U CN202321010040.5U CN202321010040U CN219861195U CN 219861195 U CN219861195 U CN 219861195U CN 202321010040 U CN202321010040 U CN 202321010040U CN 219861195 U CN219861195 U CN 219861195U
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- CN
- China
- Prior art keywords
- bricks
- wedge
- shaped
- shaped bricks
- arch foot
- Prior art date
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- 239000000571 coke Substances 0.000 title claims abstract description 21
- 238000011084 recovery Methods 0.000 title claims abstract description 20
- 239000011449 brick Substances 0.000 claims abstract description 128
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000011819 refractory material Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 3
- 239000011469 building brick Substances 0.000 abstract 1
- 238000003763 carbonization Methods 0.000 description 5
- 210000002105 tongue Anatomy 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000004939 coking Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000005484 gravity Effects 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
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model relates to the technical field of heat recovery coke ovens, in particular to a heat recovery coke oven vault structure. The novel building brick comprises arch foot bricks and wedge-shaped bricks, wherein the wedge-shaped bricks are positioned in the middle, and the arch foot bricks are positioned on two sides of the wedge-shaped bricks. The arch foot bricks are arranged in a row and built on the top surface of the main wall, and no gap exists between the arch foot bricks. The wedge-shaped bricks in multiple rows are staggered and built between two rows of arch foot bricks, gaps are reserved between the wedge-shaped bricks in the same row, and the gaps of the wedge-shaped bricks in adjacent rows are staggered to form hollow areas which are staggered. The side surfaces of adjacent wedge-shaped bricks of the same row of the same ring are not fully contacted, and the contact area is less than half of the area of the side surfaces; the adjacent rows are not fully contacted with the side surfaces of the adjacent wedge-shaped bricks of the adjacent rings, and the contact area is less than half of the area of the side surfaces. The construction is convenient while the structural strength of the vault is ensured, the material consumption is saved, and the cost is reduced.
Description
Technical Field
The utility model relates to the technical field of heat recovery coke ovens, in particular to a heat recovery coke oven vault structure.
Background
The heat recovery coke oven consists of a furnace bottom, a multi-connected flame path, a main wall, a carbonization chamber and a furnace top. The coking process of the heat recovery coke oven is divided into direct heating and indirect heating, the coal is pyrolyzed in the coking chamber to generate combustible gas, part of the combustible gas is mixed with air entering from the top of the coking chamber and combusted, the coal is directly heated, residual combustible gas which is insufficiently combusted enters a descending channel in the main wall through a hole in the upper part of the main wall, flows downwards from top to bottom, flows out of the descending channel through a hole in the lower part of the main wall, and flows into a multi-connected flame path in the lower part of the coal. In the multi-connected flame path, the combustible gas is fully combusted after being mixed with the air entering from the sealing wall, heat is transferred to the coal material through the bottom of the carbonization chamber, the combusted waste gas enters the ascending channel inside the main wall through the hole at the lower part of the main wall, finally flows out of the heat recovery coke oven body, and enters the flue gas pipeline through the ascending pipe at the top of the coke oven.
The top of the carbonization chamber is of a large-span arch structure, the arch brick is positioned at the upper part of the main wall, and the gravity of the arch brick and the refractory material at the upper part of the vault is converted into horizontal side thrust and vertical downward pressure at the arch brick.
At present, the vault of the carbonization chamber of the heat recovery coke oven is usually paved by refractory bricks, and some vault can also adopt lateral ditch tongues to mutually bite wedge-shaped arch bricks into a unified whole, so that the structural strength of the vault is effectively improved. The vault of the carbonization chamber of the heat recovery coke oven has at least the following defects: not only is the construction difficult, but also the material consumption is large, and the total investment of manpower, material resources and financial resources is high.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the heat recovery coke oven vault structure, which is convenient to construct, saves the material consumption and reduces the cost while ensuring the vault structure strength.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
a heat recovery coke oven vault structure comprises arch foot bricks and wedge-shaped bricks, wherein the wedge-shaped bricks are positioned in the middle, and the arch foot bricks are positioned on two sides of the wedge-shaped bricks. The arch foot bricks are arranged in a row and built on the top surface of the main wall, and no gap exists between the arch foot bricks. The wedge-shaped bricks in multiple rows are staggered and built between two rows of arch foot bricks, gaps are reserved between the wedge-shaped bricks in the same row, and the gaps of the wedge-shaped bricks in adjacent rows are staggered to form hollow areas which are staggered. The side surfaces of adjacent wedge-shaped bricks of the same row of the same ring are not fully contacted, and the contact area is less than half of the area of the side surfaces; the adjacent rows are not fully contacted with the side surfaces of the adjacent wedge-shaped bricks of the adjacent rings, and the contact area is less than half of the area of the side surfaces.
Further, the contact area of the side surfaces of adjacent wedge-shaped bricks is one quarter to one third of the side area of the wedge-shaped bricks.
Further, a hook tongue is meshed between the arch foot brick and the wedge-shaped brick on the side surface; the side surfaces of the wedge-shaped bricks are engaged by the coupler knuckle.
Further, the lengths of gaps reserved between wedge-shaped bricks in the same row are the same, and the lengths and positions of gaps of wedge-shaped bricks in a separate row are the same, so that uniformly distributed hollow areas which are staggered in a cross shape are formed.
Further, the arch foot brick and the wedge-shaped brick are made of refractory materials.
Further, the arch foot brick and the wedge-shaped brick are made of silica bricks or clay bricks.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, a plurality of rows of wedge-shaped bricks are built between two rows of arch foot bricks in a staggered manner, gaps are reserved between the wedge-shaped bricks in the same row, and the gaps of the wedge-shaped bricks in the adjacent rows are staggered to form hollow areas which are distributed in a staggered manner.
The vault is hollow, the structure is simple, the construction is convenient, the masonry is simple and quick, the compression resistance is good, the weight is light, the material consumption is saved, the structural strength and stability of the vault are ensured, and the manpower, material resources and investment cost are greatly reduced.
2. The lengths of gaps reserved between wedge-shaped bricks in the same row are the same, and the lengths and positions of gaps of wedge-shaped bricks in a row are the same, so that uniformly distributed hollow areas which are staggered in a cross shape are formed. Further improving the structural strength and stability of the vault.
3. The contact area of the side surfaces of the adjacent wedge-shaped bricks is one fourth to one third of the side area of the wedge-shaped bricks, so that the self weight of the vault is further reduced, and the material consumption is saved.
4. The last block of the arched structure same-ring wedge-shaped brick is constructed by knocking, so that the structural strength is ensured.
5. According to the utility model, the lateral groove tongue occlusion can be arranged between the arch foot brick and the wedge-shaped brick, and the structural strength is improved.
Drawings
FIG. 1 is a schematic front cross-sectional view of the structure of the present utility model;
fig. 2 is a top view of the present utility model.
In the figure: 1-arch foot brick 2-wedge brick 3-main wall 4-hollowed-out area
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
[ example ]
As shown in fig. 1 and 2, the heat recovery coke oven vault structure comprises a vault brick 1 and a wedge-shaped brick 2, wherein the vault brick 1 and the wedge-shaped brick 2 are made of silica bricks. Wedge-shaped bricks 2 are positioned in the middle, and arch foot bricks 1 are positioned on two sides of the wedge-shaped bricks 2.
A row of arch foot bricks 1 are laid on the top surface of the left main wall 3, and no gap exists between the arch foot bricks 1. A row of arch foot bricks 1 are laid on the top surface of the right main wall 3, and no gap exists between the arch foot bricks 1.
The wedge-shaped bricks 2 of a plurality of rows are staggered and built between the left and right rows of arch foot bricks 1 to form an arch surface.
And gaps are reserved between the front and rear parts of the wedge-shaped bricks 2 in the same row for masonry. The gaps of adjacent wedge-shaped bricks are staggered back and forth to form hollow areas 4 which are staggered. For example, the first row from the left and the gaps between the first brick and the second brick are in front of the positions, and the second row from the left and the gaps between the first brick and the second brick are in back of the positions, and the two gaps are staggered front and back.
The lengths of the gaps reserved between the wedge-shaped bricks 2 in the same row are the same, the lengths and the positions of the gaps of the wedge-shaped bricks 2 in the other row are the same, and uniformly distributed hollow areas which are staggered in a cross shape are formed on the arched surface. Further improving the structural strength and stability of the vault. As shown in fig. 2, the first row of voids has the same length, the second row of voids has the same length, the interval between the first row of voids and the second row of voids is the same as the interval between the second row of voids and the third row of voids, i.e. the interval between the voids of each row is the same.
The adjacent wedge-shaped bricks 2 of the same row are not fully contacted on the sides, and the contact area is smaller than half the area of the sides, preferably one quarter to one third, and the embodiment is one third. As shown in fig. 2, the length of the first and third bricks on the left side of the first row, i.e., the first ring, is one third of the length of the second brick. The third of the left side surface of the second brick is contacted with the first brick, the third of the right side surface of the second brick is contacted with the third brick, and the contact surface area is one third of the side area of the second brick. Further reduces the self weight of the vault and saves the material consumption.
The adjacent rows of adjacent wedge-shaped bricks 2 of adjacent rings are not fully contacted at the side surfaces, and the contact area is less than half of the area of the side surfaces. Preferably one quarter to one third, in this embodiment one third. As shown in fig. 2, the left side surface of the first ring second brick is in contact with the right side surface of the second ring first brick, the contact area is one third of the area of the left side surface of the first ring second brick, the right side surface of the first ring second brick is in contact with the left side surface of the second ring second brick, and the contact area is one third of the area of the right side surface of the first ring second brick. The first brick of the second ring is not contacted with the second brick, and a gap is reserved in the middle. Further reduces the self weight of the vault and saves the material consumption.
A hook tongue is engaged between the arch foot brick 1 and the wedge-shaped brick 2; the wedge-shaped bricks 2 are meshed with each other by the hook tongues on the side surfaces, so that the structural strength is improved.
When the wedge-shaped bricks 2 are built, the structural strength is increased by knocking when the last wedge-shaped bricks 2 are built.
The vault is of a hollowed-out structure, is simple in structure, convenient to construct, simple and quick to construct, good in compression resistance, light in weight, capable of saving material consumption, capable of guaranteeing structural strength and stability of the vault and capable of greatly reducing manpower, material resources and investment cost.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. A heat recovery coke oven vault structure characterized by:
the arch brick comprises arch foot bricks and wedge-shaped bricks, wherein the wedge-shaped bricks are positioned in the middle, and the arch foot bricks are positioned at two sides of the wedge-shaped bricks;
the arch foot bricks are arranged in a row and built on the top surface of the main wall, and no gaps exist between the arch foot bricks;
the wedge-shaped bricks are built between two rows of arch foot bricks in a staggered manner, gaps are reserved between the wedge-shaped bricks in the same row, and the gaps of the wedge-shaped bricks in the adjacent rows are staggered to form hollow areas which are distributed in a staggered manner;
the side surfaces of adjacent wedge-shaped bricks of the same row of the same ring are not fully contacted, and the contact area is less than half of the area of the side surfaces;
the adjacent rows are not fully contacted with the side surfaces of the adjacent wedge-shaped bricks of the adjacent rings, and the contact area is less than half of the area of the side surfaces.
2. A heat recovery coke oven vault structure according to claim 1, wherein:
the contact area of the side surfaces of the adjacent wedge-shaped bricks is one quarter to one third of the side area of the wedge-shaped bricks.
3. A heat recovery coke oven vault structure according to claim 1, wherein:
the side surfaces of the arch foot bricks and the wedge-shaped bricks are engaged by the coupler knuckle;
the side surfaces of the wedge-shaped bricks are engaged by the coupler knuckle.
4. A heat recovery coke oven vault structure according to claim 1, wherein:
the lengths of gaps reserved between the wedge-shaped bricks in the same row are the same, and the lengths and the positions of the gaps of the wedge-shaped bricks in the other row are the same, so that uniformly distributed hollow areas which are staggered in a cross shape are formed.
5. A heat recovery coke oven vault structure according to claim 1, wherein:
the arch foot bricks and the wedge-shaped bricks are made of refractory materials.
6. The heat recovery coke oven crown structure of claim 5, wherein:
the arch foot bricks and the wedge-shaped bricks are made of silica bricks or clay bricks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321010040.5U CN219861195U (en) | 2023-04-28 | 2023-04-28 | Heat recovery coke oven vault structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321010040.5U CN219861195U (en) | 2023-04-28 | 2023-04-28 | Heat recovery coke oven vault structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219861195U true CN219861195U (en) | 2023-10-20 |
Family
ID=88318956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321010040.5U Active CN219861195U (en) | 2023-04-28 | 2023-04-28 | Heat recovery coke oven vault structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219861195U (en) |
-
2023
- 2023-04-28 CN CN202321010040.5U patent/CN219861195U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |