CN117801830A - Coke oven baking channel structure - Google Patents
Coke oven baking channel structure Download PDFInfo
- Publication number
- CN117801830A CN117801830A CN202311715805.XA CN202311715805A CN117801830A CN 117801830 A CN117801830 A CN 117801830A CN 202311715805 A CN202311715805 A CN 202311715805A CN 117801830 A CN117801830 A CN 117801830A
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- Prior art keywords
- channel
- oven
- inclined section
- coke oven
- tunnel
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- 239000000571 coke Substances 0.000 title claims abstract description 37
- 239000011449 brick Substances 0.000 claims abstract description 49
- 238000003763 carbonization Methods 0.000 claims abstract description 23
- 238000002485 combustion reaction Methods 0.000 claims abstract description 20
- 238000000643 oven drying Methods 0.000 claims abstract 3
- 239000003245 coal Substances 0.000 claims description 10
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 2
- 230000005484 gravity Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract 3
- 230000001174 ascending effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 239000004927 clay Substances 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention relates to a coke oven drying channel structure, wherein a drying channel consists of a horizontal section channel and an inclined section channel, one end of the drying channel, which is close to a combustion chamber, is horizontally arranged to form the horizontal section channel, and one end of the drying channel, which is close to a carbonization chamber, extends outwards and upwards to form the inclined section channel; the plug brick is arranged in the inclined section channel. The invention improves on the basis of the existing horizontal oven channel, the two ends of the oven channel are provided with the inclined sections, when the plug bricks are placed after the oven is finished, the plug bricks naturally slide to the plugging position under the action of self gravity, and the oven channel is reliably and effectively sealed in the production process of the coke oven.
Description
Technical Field
The invention relates to the technical field of coke ovens, in particular to a channel structure of a coke oven.
Background
After the coke oven is built, a great amount of water is contained in the brickwork, and in order to remove the water and increase the temperature of the oven wall of the carbonization chamber to meet the requirement of coal charging temperature, the oven operation is performed by planned heating. The flow path of the gas during the baking is as follows: oven range-carbonization chamber-oven hole-horizontal flue-combustion chamber-chute-regenerator-small flue-waste gas disk-flue, and finally discharged from chimney. The baking hole is a channel connected between the carbonization chamber and the combustion chamber during the thermal state baking of the coke oven, and fuel is burnt in the baking oven ranges at two sides of the carbonization chamber during baking, so that generated hot waste gas enters the combustion chamber through the carbonization chamber and the baking hole. After the oven operation of the coke oven is completed and the oven is heated normally, the oven hole channel between the top of the carbonization chamber and the top of the combustion chamber is plugged by a plug brick so as to ensure the tightness of the carbonization chamber and the combustion chamber.
The traditional oven is of a horizontal structure, such as a 'oven hole structure of a coke oven top area' disclosed in Chinese patent application with the application publication number of CN 114736693A, and comprises an oven hole top space, an oven hole horizontal channel and a plug brick; the horizontal channel of the oven hole consists of a cylindrical channel and a truncated cone channel which are coaxially connected.
In the actual production process of the coke oven, the loosening of plug bricks at two ends of a baking hole is easily caused due to the air flow fluctuation in a coking chamber and a combustion chamber of the coke oven or vibration generated during the coal charging and coke pushing of the coke oven, so that the raw coke oven gas is leaked.
Disclosure of Invention
The invention provides a coke oven baking channel structure, which is improved on the basis of the existing horizontal baking channel, wherein inclined sections are arranged at two ends of the baking channel, and when a plug brick is placed after baking, the plug brick naturally slides to a blocking position under the action of self gravity and reliably and effectively seals the baking channel in the production process of a coke oven.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
a coke oven baking channel structure comprises a baking channel arranged in the furnace top area of a coke oven and a plug brick for plugging the baking channel after baking; the oven channel is correspondingly arranged in the oven top masonry at the bottoms of the coal charging hole and the rising pipe hole, and two ends of the oven channel are respectively communicated with the corresponding carbonization chamber and the corresponding combustion chamber; the oven channel consists of a horizontal section channel and an inclined section channel, one end of the oven channel, which is close to the combustion chamber, is horizontally arranged to form the horizontal section channel, and one end of the oven channel, which is close to the carbonization chamber, extends outwards and upwards to form the inclined section channel; the plug brick is arranged in the inclined section channel.
Further, the cross section of the inclined section channel is round, elliptic or regular polygon, and the plug brick is matched with the inclined section channel.
Furthermore, the inclined section channel is a circular truncated cone channel which is gradually enlarged from inside to outside, and the plug brick is a corresponding circular truncated cone body.
Further, the included angle between the axis of the inclined section channel and the horizontal plane is 2-75 degrees.
Further, the length of the inclined section channel is not less than 80mm.
Further, the plug brick has a length less than the length of the inclined section channel.
Further, the outer end of the plug brick is provided with a hook hole, the cross section of the hook hole is circular, and the cross section area is gradually reduced from inside to outside.
Compared with the prior art, the invention has the beneficial effects that:
1) Compared with the traditional horizontal baking channel, the baking channel has the advantages that the difficulty in placing the plug bricks after baking is reduced, the risk of accidental falling of the plug bricks in the plugging process is reduced, and the plugging efficiency is improved while the baking function is maintained.
2) When the oven channel is plugged, the plug bricks can naturally slide to the plugging position under the action of self gravity, in the production process of the coke oven, the self gravity of the plug bricks can be utilized to effectively increase the sealing stability, the risk that the plug bricks are loosened or even fall off due to air flow fluctuation in a carbonization chamber and a combustion chamber or vibration generated when the coke oven is charged and pushed is reduced, the operation is more reliable, and the tightness of the coke oven is effectively ensured.
Drawings
FIG. 1 is a cross-sectional view of the top section of a coke oven roof section and the upper portion of a coking chamber according to the present invention.
Fig. 2 is A-A view of fig. 1.
Fig. 3 is a front view of a plug brick according to the present invention.
Fig. 4 is a bottom view of the plug brick of the present invention.
In the figure: 1. the coke oven furnace roof area 2, the coal charging hole 3, the ascending pipe hole 4, the carbonization chamber 5, the combustion chamber 6, the oven channel 7, the plug brick 8 and the hook hole
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
as shown in fig. 1, the coke oven baking channel structure comprises a baking channel 6 arranged in a coke oven top area 1 and a plug brick 7 for plugging the baking channel 6 after baking; the oven channel 6 is correspondingly arranged in the oven top masonry at the bottoms of the coal charging hole 2 and the ascending pipe hole 3, and two ends of the oven channel are respectively communicated with the corresponding carbonization chamber 4 and the corresponding combustion chamber 5; the oven channel 6 consists of a horizontal section channel and an inclined section channel, one end of the oven channel 6, which is close to the combustion chamber 5, is horizontally arranged to form the horizontal section channel, and one end of the oven channel 6, which is close to the carbonization chamber 4, extends outwards and upwards to form the inclined section channel; a plug brick 7 is provided in the inclined section channel.
Further, the cross-sectional shape of the inclined section channel is a circle, an ellipse or a regular polygon, and the plug brick 7 has a shape matching with the inclined section channel.
Furthermore, the inclined section channel is a circular truncated cone channel which is gradually enlarged from inside to outside, and the plug brick 7 is a corresponding circular truncated cone body.
Further, the included angle between the axis of the inclined section channel and the horizontal plane is 2-75 degrees.
Further, the length of the inclined section channel is not less than 80mm.
Further, the plug brick 7 has a length less than the length of the inclined section channel.
Further, a hook hole 8 is formed at the outer end of the plug brick 7, the cross section of the hook hole 8 is circular, and the cross section area is gradually reduced from inside to outside.
As shown in fig. 1, a plurality of oven channels 6 are arranged in oven top brickworks (on a carbonization chamber wall Fang Qiti) at the bottoms of the corresponding coal charging holes 2 and the ascending pipe holes 3 of the oven top zone 1, and as shown in fig. 2, the oven channels 6 are connected with the corresponding carbonization chambers 4 and combustion chambers 5. The oven channel 6 is horizontally arranged at one end close to the combustion chamber 5 to form a horizontal section channel, and the cross section of the horizontal section channel can be circular, elliptical or polygonal; the end of the oven channel 6 close to the carbonization chamber 4 is obliquely arranged to form an inclined section channel, and the inclined direction is higher at one side close to the carbonization chamber than at one side close to the combustion chamber. The angle of inclination is almost any angle upwards.
Preferably, the inclined section channel is in a truncated cone-shaped structure with the cross section area gradually expanding from inside to outside, and the corresponding plug brick is in a truncated cone-shaped structure. The plug brick 7 is provided with a hook hole 8, and in order to facilitate the inclined placement of the plug brick, the hook hole 8 is arranged into a truncated cone-shaped hole structure with the cross section area gradually reduced from inside to outside.
And after the oven baking operation of the coke oven is finished, plugging the inclined section channel at one end of the carbonization chamber 4 by using a plug brick 7. The specific process is as follows: the hook is used for hooking the hook hole 8 on the plug brick 7 (the side surface of the plug brick is dipped with the fire clay), the plug brick 7 is placed into the corresponding inclined section channel from the coal charging hole 2 and the ascending pipe hole 3 of the coke oven furnace top area 1, the plug brick 7 automatically slides down to the inflection point of the oven channel 6 (the junction of the inclined section channel and the horizontal section channel) under the action of self gravity, and in the process, the plug brick 7 is matched with the inclined section channel to realize sealing; and repeating the operation process to plug each oven channel 6, so that normal coke oven production can be performed.
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 ]
In this embodiment, as shown in fig. 1, 3 oven channels 6 are provided at the bottoms of 4 coal charging holes 2 in the coke oven top area 1, and 2 oven channels 6 are provided at the bottoms of 1 ascending pipe holes 3 in the coke oven top area 1.
The oven channel 6 connects the corresponding carbonization chamber 4 and combustion chamber 5, as shown in fig. 2, one end of the oven channel 6 near the combustion chamber 5 is horizontally arranged, the cross section of the horizontal channel is circular, and the diameter is 75mm. The baking furnace channel 6 is arranged obliquely outwards and upwards near one end of the carbonization chamber 4, the oblique angle is 19 degrees, the inclined section channel is a circular truncated cone channel with the cross section area gradually expanding from inside to outside, the diameter of the small end is 75mm, the diameter of the large end is 95mm, and the length of the inclined section is 140mm.
In this example, the plug brick 7 is a truncated cone with a diameter of 85mm at the large end and 70mm at the small end, and has a length of 135mm. The plug brick 7 is provided with a hook hole 8, the cross section area of the hook hole 8 is of a truncated cone hole structure with gradually reduced cross section area from inside to outside, the length of the hook hole is 60mm, the diameter of the large end is 20mm, and the diameter of the small end is 12mm; the diameter of the matching section of the hook tool and the hook hole is 10mm.
After the oven baking operation of the coke oven is finished, the hook 8 on the plug brick 7 is hooked by the hook, the side surface of the plug brick 7 is dipped with fire clay, the plug brick 7 is sequentially placed in each inclined section channel from the coal charging hole 2 and the ascending pipe hole 3 of the oven top area 1, the plug brick 7 slides down to the inflection point of the oven channel by means of self gravity and is matched with the inclined section channel to form a sealing structure, and the operation of plugging the oven channel is finished.
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. A coke oven baking channel structure comprises a baking channel arranged in the furnace top area of a coke oven and a plug brick for plugging the baking channel after baking; the oven channel is correspondingly arranged in the oven top masonry at the bottoms of the coal charging hole and the rising pipe hole, and two ends of the oven channel are respectively communicated with the corresponding carbonization chamber and the corresponding combustion chamber; the device is characterized in that the oven channel consists of a horizontal section channel and an inclined section channel, one end of the oven channel, which is close to the combustion chamber, is horizontally arranged to form the horizontal section channel, and one end of the oven channel, which is close to the carbonization chamber, extends outwards and upwards to form the inclined section channel; the plug brick is arranged in the inclined section channel.
2. The oven tunnel construction according to claim 1, wherein the cross-sectional shape of the inclined section tunnel is circular, elliptical or regular polygonal, and the plug brick has a shape matching the inclined section tunnel.
3. The oven drying passage structure according to claim 1, wherein the inclined section passage is a circular truncated cone passage gradually expanding from inside to outside, and the plug brick is a corresponding circular truncated cone body.
4. A coke oven drying tunnel structure according to claim 1, wherein the inclined section tunnel axis is at an angle of 2 ° to 75 ° to the horizontal.
5. A coke oven tunnel structure according to claim 1, characterized in that the length of the inclined section tunnel is not less than 80mm.
6. A coke oven tunnel construction according to claim 1, characterized in, that the length of the plug brick is smaller than the length of the inclined section tunnel.
7. The oven tunnel structure according to claim 1, wherein the outer end of the plug brick is provided with a hook hole, the cross section of the hook hole is circular, and the cross section area is gradually reduced from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311715805.XA CN117801830A (en) | 2023-12-14 | 2023-12-14 | Coke oven baking channel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311715805.XA CN117801830A (en) | 2023-12-14 | 2023-12-14 | Coke oven baking channel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117801830A true CN117801830A (en) | 2024-04-02 |
Family
ID=90419203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311715805.XA Pending CN117801830A (en) | 2023-12-14 | 2023-12-14 | Coke oven baking channel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117801830A (en) |
-
2023
- 2023-12-14 CN CN202311715805.XA patent/CN117801830A/en active Pending
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