CN215250603U - Coke oven top structure for realizing smokeless coal charging - Google Patents
Coke oven top structure for realizing smokeless coal charging Download PDFInfo
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- CN215250603U CN215250603U CN202023292251.1U CN202023292251U CN215250603U CN 215250603 U CN215250603 U CN 215250603U CN 202023292251 U CN202023292251 U CN 202023292251U CN 215250603 U CN215250603 U CN 215250603U
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Abstract
The utility model relates to a coke oven top structure for realizing smokeless coal charging, the coke oven top is provided with a plurality of coal charging holes/smoke guide holes, and the coke oven top close to the machine side or coke side is provided with a riser hole; the coal charging hole/smoke guide hole and the ascending pipe hole are respectively provided with a bypass hole, the upper end of each bypass hole is communicated with the corresponding coal charging hole/smoke guide hole and the corresponding ascending pipe hole, and the lower end of each bypass hole is communicated with the carbonization chamber. The utility model discloses a set up the by pass hole, increased the air current flow area of dress coal hole/smoke guide hole and tedge department, reduced the system resistance of circulation of gas to effectively improve tedge and smoke guide hole and to the collection efficiency of raw coke oven gas and smoke and dust, reduce the pollution sources and reduce the harmful gas emission, make coking production realize green energy-conserving operation.
Description
Technical Field
The utility model relates to a coke oven technical field especially relates to a coke oven roof structure of smokeless coal charging of realization.
Background
The coke oven body of the large coke oven consists of a regenerative chamber, a chute, a combustion chamber/carbonization chamber and an oven top, wherein the oven top is arranged at the upper part of the combustion chamber/carbonization chamber. The top of the top-charging coke oven is generally provided with 4 coal charging holes and 1 ascending tube hole, and the top of the tamping coke oven is generally provided with a smoke guide hole, a graphite removing hole and 1 ascending tube hole. The area between the coal charging line corresponding to the coal charging height and the overhead bricks at the lower part of the furnace top in the carbonization chamber is the furnace top space, and the raw coke gas and the smoke dust generated in the coking process are led into the ascending pipe through the furnace top space and the coal charging hole circulation space and then are led out of the coke furnace through the ascending pipe.
At present, most of coal charging holes/smoke guide holes and ascending pipe holes on the top of a coke oven adopt a flat-foot horn-mouth-shaped 'splayed' structure, and the structure can be used for intensively collecting and retreating coke oven raw coke gas and smoke dust generated in the coal charging process of the coke oven and smoke dust generated in the coke discharging process. In actual production, in order to increase the coke yield, the excess production of the coke oven becomes a normal state, the coal charging quantity is increased, so that the raw gas and the smoke dust produced by the coke oven are increased, the circulation space of the coal charging hole at the top of the coke oven cannot meet the requirement of the pressure at the top of the coke oven during production, and the smoke escape phenomenon is aggravated; even the furnace top generates smoke and fire, which causes environmental pollution and potential safety hazard and also seriously worsens the environment of the furnace top operation area.
Starting from the actual production of the coke oven, the emission of raw coke oven gas and smoke dust is reduced by improving the structure of the oven body, and the pollution treatment from the source is always the effort direction of coke oven equipment research personnel.
Disclosure of Invention
The utility model provides a realize coke oven furnace roof structure of smokeless coal charging through setting up the by-pass hole, has increased the air current flow area of coal charging hole/smoke guide hole and tedge department, reduces the system resistance of gas circulation to effectively improve tedge and smoke guide hole and to the collection efficiency of raw coke oven gas and smoke and dust, reduce the pollution sources and reduce harmful gas and discharge, make the green energy-conserving operation of coking production realization.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a coke oven roof structure for realizing smokeless coal charging is characterized in that the roof of the coke oven is provided with a plurality of coal charging holes/smoke guide holes, and the roof of the coke oven close to the machine side or the coke side is provided with a riser hole; the coal charging hole/smoke guide hole and the ascending pipe hole are respectively provided with a bypass hole, the upper end of each bypass hole is communicated with the corresponding coal charging hole/smoke guide hole and the corresponding ascending pipe hole, and the lower end of each bypass hole is communicated with the carbonization chamber.
And a first bypass hole and a second bypass hole are respectively arranged at two sides of the coal charging hole/smoke guide hole corresponding to the longitudinal direction of the carbonization chamber.
And a third bypass hole is formed in one side of the ascending pipe hole facing the carbonization chamber.
The bypass holes are integrally formed with the corresponding coal charging holes/smoke guide holes and ascending pipe holes in the process of building or pouring the top of the coke oven.
The cross section of the bypass hole is circular or polygonal.
Compared with the prior art, the beneficial effects of the utility model are that:
through setting up the by-pass hole, increased the air current flow area of coal-charging hole/smoke deflector hole and tedge department, reduced the system resistance of gas circulation to effectively improve tedge and smoke deflector hole and to the collection efficiency of raw coke oven gas and smoke and dust, reduce the pollution sources and reduce harmful gas and discharge, make coking production realize green energy-conserving operation.
Drawings
FIG. 1 is a schematic view showing the structure of a charging hole and an ascending pipe hole in the top of a coke oven according to example 1 of the present invention.
Fig. 2 is a schematic view of the structure of a smoke guide hole and an ascending pipe hole on the top of a coke oven in embodiment 2 of the present invention.
In the figure: 1. charring chamber 2, coke oven top 3, coal charging hole 4, smoke guide hole 5, ascending pipe hole 6, coal charging line I7, coal charging line II 8, airflow flowing direction 9, bypass hole I10, bypass hole II 11, bypass hole III
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1 and 2, the coke oven top structure for realizing smokeless coal charging of the utility model is characterized in that a plurality of coal charging holes 3/smoke guide holes 4 are arranged on the coke oven top 2, and an ascending pipe hole 5 is arranged on the coke oven top 2 close to the machine side or coke side; the coal charging hole 3/the smoke guide hole 4 and the ascending pipe hole 5 are respectively provided with a bypass hole, the upper end of each bypass hole is communicated with the corresponding coal charging hole 3/the smoke guide hole 4 and the corresponding ascending pipe hole 5, and the lower end of each bypass hole is communicated with the carbonization chamber 1.
And a first bypass hole and a second bypass hole are respectively formed in the coal charging hole 3/the smoke guide hole 4 at two sides corresponding to the length direction of the carbonization chamber 1.
The side of the ascending pipe hole 5 facing the carbonization chamber 1 is provided with a third bypass hole.
The bypass holes are integrally formed with the corresponding coal charging holes 3/smoke guide holes 4 and ascending pipe holes 5 in the process of building or pouring the coke oven top 2.
The cross section of the bypass hole is circular or polygonal.
The following examples are carried out on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following examples. The methods used in the following examples are conventional methods unless otherwise specified.
[ example 1 ]
As shown in FIG. 1, in the present embodiment, the coke oven is a top-charging coke oven, 4 coal charging holes 3 are provided on the top 2 of the coke oven along the length direction of the coking chamber 1, 1 ascending pipe hole 5 is provided near the machine side, and bypass holes are provided in the coal charging holes 3 and the ascending pipe hole 5, respectively.
In this embodiment, the coal charging hole 3 is symmetrically provided with a first bypass hole 9 and a second bypass hole 10 at both sides corresponding to the longitudinal direction of the carbonization chamber 1, and the ascending pipe hole 5 is provided with a third bypass hole 11 at one side facing the inside of the carbonization chamber 1. The first bypass hole 9, the second bypass hole 10 and the third bypass hole 11 are all obliquely arranged, the upper ends of the first bypass holes are communicated with the corresponding coal charging holes 3 and the corresponding ascending pipe holes 5, and the lower ends of the first bypass holes are communicated with the carbonization chamber 1.
The cross sections of the first bypass hole 9, the second bypass hole 10 and the third bypass hole 11 are all circular, and when the coke oven top 2 is built, the first bypass hole, the second bypass hole and the third bypass hole are integrally built with the corresponding coal charging hole 3 and the corresponding ascending pipe hole 5.
When the coke oven is produced, the coal is charged to the coal charging line I6 through the coal charging hole 3, the coal charging line I6 and the bottom of the oven top 2 of the coke oven form an oven top space, crude gas and smoke dust generated during coal charging and coking flow in the oven top space according to the airflow direction 8 and enter the coal charging hole through the bypass hole I9 and the bypass hole II 10, and due to the fact that the bypass hole I9 and the bypass hole 10 are added, the flow cross section of airflow at an inlet at the bottom of the coal charging hole 3 is increased, so that the resistance of an airflow flowing system is reduced, and the crude gas and the smoke dust are effectively guided to reach the position of the riser hole 5.
Similarly, the bypass holes III 11 are added, so that the flow cross section of airflow at the bottom inlet of the riser hole 5 is increased, the resistance of an airflow flowing system can be reduced, and the raw coke oven gas and the smoke dust are effectively introduced into the riser hole 5.
[ example 2 ]
As shown in FIG. 2, in the present embodiment, the coke oven is a stamp-charging coke oven, 2 smoke guide holes 3 are arranged on the top 2 of the coke oven along the length direction of the coking chamber 1, 1 ascending pipe hole 5 is arranged at the position close to the coke side, and bypass holes are respectively arranged on the smoke guide holes 4 and the ascending pipe hole 5.
In this embodiment, the smoke guide hole 4 is symmetrically provided with a first bypass hole 9 and a second bypass hole 10 at two sides corresponding to the longitudinal direction of the carbonization chamber 1, and the ascending pipe hole 5 is provided with a third bypass hole 11 at one side facing the carbonization chamber 1. The first bypass hole 9, the second bypass hole 10 and the third bypass hole 11 are all obliquely arranged, the upper ends of the first bypass holes are communicated with the corresponding coal charging holes 3 and the corresponding ascending pipe holes 5, and the lower ends of the first bypass holes are communicated with the carbonization chamber 1.
The cross sections of the first bypass hole 9, the second bypass hole 10 and the third bypass hole 11 are all circular, and when the coke oven top 2 is built, the first bypass hole, the second bypass hole and the third bypass hole are integrally built with the corresponding smoke guide hole 4 and the corresponding ascending pipe hole 5.
When the coke oven is produced, coal is charged to a coal charging line II 7, a furnace top space is formed by the coal charging line II 7 and the bottom of the furnace top 2 of the coke oven, and the generated raw coke oven gas and smoke dust are guided out by a furnace top smoke guide vehicle through a smoke guide hole 4 during the coal charging period; raw gas and smoke dust flow in the furnace top space according to the airflow direction 8 and enter the bottom inlet of the smoke guide hole 4; one part of the smoke enters the smoke guide hole through the first bypass hole 9 and the second bypass hole 10; as the first bypass hole 9 and the second bypass hole 10 are added, the flow cross section of airflow at the inlet at the bottom of the smoke guide hole 4 is increased, so that the resistance of an airflow flowing system is reduced, and raw coke oven gas and smoke dust are effectively guided to reach the smoke guide hole.
During coking, the raw gas and the smoke dust flow in the furnace top space in the airflow direction 8 and enter the bottom inlet of the riser pipe hole 5, wherein a part of the raw gas and the smoke dust enter the riser pipe hole 5 through the third bypass hole 11, and the airflow flowing section of the airflow at the bottom inlet of the riser pipe hole 5 is increased due to the increase of the third bypass hole 11, so that the airflow flowing system resistance is reduced, and the raw gas and the smoke dust can be effectively guided into the riser pipe hole 5.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A coke oven roof structure for realizing smokeless coal charging is characterized in that the roof of the coke oven is provided with a plurality of coal charging holes/smoke guide holes, and the roof of the coke oven close to the machine side or the coke side is provided with a riser hole; the device is characterized in that the coal charging hole/smoke guide hole and the ascending pipe hole are respectively provided with a bypass hole, the upper end of each bypass hole is communicated with the corresponding coal charging hole/smoke guide hole and the corresponding ascending pipe hole, and the lower end of each bypass hole is communicated with the carbonization chamber.
2. The coke oven roof structure for realizing smokeless coal charging according to claim 1, wherein the coal charging hole/smoke guide hole is respectively provided with a first bypass hole and a second bypass hole at two sides corresponding to the longitudinal direction of the carbonization chamber.
3. The coke oven roof structure for realizing smokeless coal charging according to claim 1, wherein the riser hole is provided with a third bypass hole on the side facing the coking chamber.
4. The coke oven roof structure for realizing smokeless coal charging according to claim 1, wherein the bypass hole is integrally formed with the corresponding coal charging hole/smoke guide hole and riser hole in the process of building or pouring the coke oven roof.
5. The coke oven roof structure for realizing smokeless coal charging according to claim 1 or 4, wherein the cross-sectional shape of the bypass hole is circular or polygonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023292251.1U CN215250603U (en) | 2020-12-30 | 2020-12-30 | Coke oven top structure for realizing smokeless coal charging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023292251.1U CN215250603U (en) | 2020-12-30 | 2020-12-30 | Coke oven top structure for realizing smokeless coal charging |
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| CN215250603U true CN215250603U (en) | 2021-12-21 |
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| CN202023292251.1U Active CN215250603U (en) | 2020-12-30 | 2020-12-30 | Coke oven top structure for realizing smokeless coal charging |
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