CN217230607U - Oven hole structure of oven top area of coke oven - Google Patents
Oven hole structure of oven top area of coke oven Download PDFInfo
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- CN217230607U CN217230607U CN202220777406.0U CN202220777406U CN217230607U CN 217230607 U CN217230607 U CN 217230607U CN 202220777406 U CN202220777406 U CN 202220777406U CN 217230607 U CN217230607 U CN 217230607U
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- 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
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Abstract
The utility model relates to a structure of a drying furnace hole in the top area of a coke furnace, which comprises a top space of the drying furnace hole, a horizontal path of the drying furnace hole and a plug brick; the top space of the oven hole and the coal charging hole are arranged at intervals along the longitudinal direction of the carbonization chamber, and the bottom of the top space of the oven hole and the bottom of the coal charging hole are both communicated with the corresponding carbonization chambers; furnace top areas on two sides of the top space of the furnace drying hole and furnace top areas on two sides of the coal charging hole are respectively provided with a furnace drying hole horizontal channel along the transverse direction of the carbonization chamber and are communicated with vertical flame channels of 2 adjacent combustion chambers; and the plug bricks are used for plugging each oven hole horizontal channel after the oven is finished. The horizontal channel of the oven hole can ensure that hot air flow is introduced into each vertical flame path of the combustion chamber, and different vertical flame paths do not influence each other after the oven hole is sealed; the high-end transverse temperature in the last stage of the oven drying is uniformly distributed, and the temperature difference of the oven temperature is small when the whole oven set of the coke oven is heated; when the oven is normally heated after the oven is turned over, the sealing operation of the oven hole is simple and the sealing effect is good.
Description
Technical Field
The utility model relates to a coke oven technical field especially relates to a coke oven furnace roof district oven hole structure.
Background
The process of the modern coke oven battery heating from cold state to normal heating temperature is called oven, and the oven goes through drying period and heating period respectively. In the drying period, the furnace is ignited to completely discharge the water of the masonry, and the temperature is controlled within 100 ℃; and after the drying period in the temperature rise period is finished, raising the temperature of the coke oven to a temperature at which normal heating can be carried out or coal charging can be started.
The brickwork of the coke oven group is an entity with a complex structure and uneven thickness, and the expansion thermal resistance of each part is different and the expansion is uneven, so the temperature of the oven must be strictly controlled according to the requirement to ensure the maximum safe expansion rate and the safe upper and lower temperature proportion every day, and the brickwork is prevented from being broken due to the too fast temperature rise to influence the sealing property and the structural strength of the coke oven.
The flow direction of the heating gas of the oven is as follows in sequence: the device comprises oven equipment, a carbonization chamber, oven holes, a combustion chamber vertical flue, a chute, a regenerator, a small flue, a chimney and finally discharged into the atmosphere. After the oven is normally heated, the oven hole between the top of the carbonization chamber and the top of the combustion chamber is plugged by a plug brick to ensure the tightness between the carbonization chamber and the combustion chamber.
SUMMERY OF THE UTILITY MODEL
The utility model provides a structure of a furnace drying hole in the top area of a coke furnace, which can ensure that hot air flow is led in each combustion chamber vertical flue through a horizontal flue of the furnace drying hole, and different vertical flues do not influence each other after the furnace drying hole is sealed; the high-end transverse temperature in the last stage of the oven drying is uniformly distributed, and the temperature difference of the oven temperature is small when the whole oven set of the coke oven is heated; when the oven finishes normal heating, the oven hole sealing operation is simple and the sealing effect is good.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a structure of a drying furnace hole in the top area of a coke furnace comprises a top space of the drying furnace hole, a horizontal path of the drying furnace hole and a plug brick; the top space of the oven hole and the coal charging hole are arranged at intervals along the longitudinal direction of the carbonization chamber, and the bottom of the top space of the oven hole and the bottom of the coal charging hole are both communicated with the corresponding carbonization chambers; furnace top areas on two sides of the top space of the furnace drying hole and furnace top areas on two sides of the coal charging hole are respectively provided with a furnace drying hole horizontal channel along the transverse direction of the carbonization chamber and are communicated with vertical flame channels of 2 adjacent combustion chambers; and the plug brick is used for plugging each oven hole horizontal channel after the oven is finished.
The top space of the oven hole is arranged at the bottom of the oven top area, and the height of the top space is the same as that of the single-layer refractory brick at the oven top area.
The coal charging hole is composed of an upper equal-section channel and a lower conical channel, the conical channel is provided with an upward-shrinking conical structure, and the equal-section channel penetrates through the furnace top area upwards.
The horizontal channels of all the oven holes are arranged at the same height.
The horizontal channel of the oven hole consists of a cylindrical channel and a circular truncated cone channel which are coaxially connected, the circular truncated cone channel is arranged close to one end of the vertical flame path, and the end with the large diameter is communicated with the vertical flame path.
When the horizontal channel of the oven hole is blocked, the plug brick is arranged in the circular platform body channel of the horizontal channel of the oven hole; the plug brick is a circular truncated cone structure matched with the circular truncated cone channel, the length of the plug brick is smaller than that of the vertical flue in the horizontal direction, and a hook hole is formed in the large end of the plug brick.
The hook hole is a quadrangular frustum pyramid blind hole, the small end is arranged inside, and the large end is arranged outside.
The combustion chamber is provided with double vertical flues, and the double vertical flues consist of a pair of vertical flues; one vertical flame path is communicated with the top space of the oven hole through a corresponding oven hole horizontal path, and the other vertical flame path is communicated with the coal charging hole through a corresponding oven hole horizontal path.
Compared with the prior art, the beneficial effects of the utility model are that:
the horizontal channel of the oven hole can ensure that hot air flow is introduced into each vertical flame path of the combustion chamber, and different vertical flame paths do not influence each other after the oven hole is sealed; the high-speed transverse temperature at the last stage of the oven drying is uniformly distributed, and the temperature difference of the whole oven group of the coke oven is small when the whole oven group is heated; when the oven is normally heated after the oven is turned over, the sealing operation of the oven hole is simple and the sealing effect is good.
Drawings
Fig. 1 is a front view (corresponding to a view C-C in fig. 2) of a sealing structure of a drying hole in a top region of a coke oven according to the present invention.
Fig. 2 is a view a-a in fig. 1.
Fig. 3 is a view B-B in fig. 1.
Fig. 4 is a view D-D in fig. 1.
Fig. 5 is a schematic perspective view of the stopper brick of the present invention.
In the figure: 1. the central line of the carbonization chamber 2, the central line of the combustion chamber 3, the vertical flame path 4, the horizontal path of the oven hole 5, the oven top space 6 of the oven hole, the coal charging hole 7, the oven top area 8, the conical channel 9, the carbonization chamber 10, the combustion chamber 11, the plug brick 12 and the hook hole
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. 1-3, the oven hole structure of the oven top area of the coke oven of the present invention comprises an oven hole top space 5, an oven hole horizontal channel 4 and a plug brick 11; the top space 5 of the oven hole and the coal charging hole 6 are longitudinally arranged at intervals along the carbonization chamber 9, and the bottom of the top space 5 of the oven hole and the bottom of the coal charging hole 6 are both communicated with the corresponding carbonization chambers 9; furnace top areas 7 on two sides of a furnace drying hole top space 5 and furnace top areas 7 on two sides of a coal charging hole 6 are respectively provided with a furnace drying hole horizontal channel 4 along the transverse direction of a carbonization chamber 9 and communicated with vertical flame channels 3 of adjacent 2 combustion chambers 10; and the plug brick 11 is used for plugging each furnace drying hole horizontal channel 4 after the furnace drying is finished.
The top space 5 of the oven hole is arranged at the bottom of the oven top area 7, and the height of the top space is the same as that of the single-layer refractory brick of the oven top area 7.
The coal charging hole 6 consists of an upper equal-section channel and a lower conical channel, the conical channel has an upward-shrinking conical structure, and the equal-section channel penetrates through the furnace top area 7 upwards.
All the furnace hole horizontal paths 4 are arranged at the same height.
The horizontal channel 4 of the oven hole is composed of a cylindrical channel and a circular truncated cone channel which are coaxially connected, the circular truncated cone channel is arranged close to one end of the vertical flue 3, and the end with the large diameter is communicated with the vertical flue 3.
When the horizontal channel 4 of the oven hole is blocked, the plug brick 11 is arranged in the channel of the circular truncated cone body of the horizontal channel 4 of the oven hole; the plug brick 11 is a circular truncated cone structure matched with the circular truncated cone channel, the length of the plug brick 11 is smaller than the length of the vertical flue 3 in the horizontal direction, and a hook hole 12 is formed in the large end of the plug brick 11.
The hook hole 12 is a quadrangular frustum pyramid blind hole with a small end inside and a large end outside.
The combustion chamber 10 is provided with double vertical flues, and the double vertical flues consist of a pair of vertical flues; one vertical flame path is communicated with the top space 5 of the oven hole through the corresponding oven hole horizontal path 4, and the other vertical flame path is communicated with the coal charging hole 6 through the corresponding oven hole horizontal path 4.
A coke oven furnace roof district oven hole structure, including setting up in oven hole headspace 5, oven hole horizontal path 4 and stopper brick 11 of 7 lower parts in oven roof district, coal charging hole 6, combustion chamber 10, carbomorphism room 9 are current structure.
In the coke oven body, a plurality of combustion chambers 10 and carbonization chambers 9 are arranged at intervals (the central lines 2 and 1 of the combustion chambers are shown in figure 1), and the top spaces 5 and the coal charging holes 6 of the oven holes are arranged at the tops of the carbonization chambers 9 and are communicated with the vertical flame paths 3 of the combustion chambers 10 through the corresponding horizontal flame path 4 of the oven holes.
As shown in figure 1, 2 horizontal drying hole channels 4 are arranged on each side of two sides of a top space 5 of each drying hole along the longitudinal direction of a carbonization chamber 9 and are respectively communicated with vertical flame channels 3 of 2 adjacent combustion chambers 10, and the height of the top space 5 of each drying hole is the height of a single-layer refractory brick at the bottom of a furnace top area 7.
And 2 horizontal drying furnace hole channels 4 are formed on each side of two sides of the coal charging hole 6 along the longitudinal direction of the carbonization chamber 9 and are respectively communicated with the vertical flame channels 3 of the adjacent 2 combustion chambers 10. The area of the lower part of the coal charging hole 6 is gradually reduced from bottom to top (namely, the lower part is in a conical structure), and the sectional area of the upper part of the coal charging hole 6 is unchanged until the upper surface of the furnace top area 7.
The end of the horizontal path 4 of the oven hole, which is close to the top space 5 of the oven hole or the coal charging hole 6, is a cylindrical channel, the end of the horizontal path of the oven hole is close to the vertical flame path 3 is a truncated cone channel, the size of the truncated cone channel is slightly larger than the external size of the plug brick 11, and the two are mutually matched to realize the sealing of the horizontal path 4 of the oven hole.
In the process of heating the coke oven, two pairs of adjacent vertical flues are respectively communicated with the horizontal flues 4 of the oven holes at the two sides of the oven hole top space 5 or the coal charging hole 6, one vertical flue in each pair of vertical flues is respectively communicated with the oven hole top space 5 or the coal charging hole 6, and after a heating airflow enters one vertical flue in each pair of vertical flues from the oven hole horizontal flue 4, the heating airflow enters the other vertical flue through a combustion chamber crossing hole, so that the heating airflow is ensured to transfer heat to the brickwork through each vertical flue 3 of the combustion chamber 10.
As shown in fig. 5, the plug brick 11 is a circular truncated cone structure, the large end of the circular truncated cone is provided with a quadrangular frustum blind hole with a certain depth as a hook hole 12 matched with a hook, and the length of the plug brick 11 should be smaller than the length of the vertical flue 3 in the horizontal direction.
After the oven drying of the coke oven is finished, the hook hole 12 on the plug brick 11 is hooked by a hook tool, and the plug brick 11 is placed into the circular table body channel of the oven hole horizontal channel 4 through the vertical fire channel 3, so that the structure of the oven hole is sealed. The vertical flame paths 3 are not communicated with each other after being sealed and do not influence each other.
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 (8)
1. A structure of a drying furnace hole in the top area of a coke furnace is characterized by comprising a top space of the drying furnace hole, a horizontal path of the drying furnace hole and a plug brick; the top space of the oven hole and the coal charging hole are arranged at intervals along the longitudinal direction of the carbonization chamber, and the bottom of the top space of the oven hole and the bottom of the coal charging hole are both communicated with the corresponding carbonization chambers; furnace top areas on two sides of the top space of the furnace drying hole and furnace top areas on two sides of the coal charging hole are respectively provided with a furnace drying hole horizontal channel along the transverse direction of the carbonization chamber and are communicated with vertical flame channels of 2 adjacent combustion chambers; and the plug bricks are used for plugging each oven hole horizontal channel after the oven is finished.
2. The oven hole structure of the oven crown area of the coke oven as claimed in claim 1, characterized in that the oven hole head space is arranged at the bottom of the oven crown area and has the same height as the single-layer refractory bricks of the oven crown area.
3. The oven hole structure of the oven top area of the coke oven according to claim 1, characterized in that the coal charging hole is composed of an upper uniform cross section passage and a lower tapered passage, the tapered passage has an upward narrowing tapered structure, and the uniform cross section passage penetrates the oven top area upward.
4. The oven hole structure of the oven crown area of a coke oven according to claim 1, characterized in that all the oven hole horizontal lanes are arranged at the same height.
5. The structure of the oven hole at the top area of the coke oven as claimed in claim 1 or 4, wherein the horizontal path of the oven hole is composed of a cylindrical channel and a truncated cone channel which are coaxially connected, the truncated cone channel is arranged near one end of the vertical flue, and the end with the larger diameter is communicated with the vertical flue.
6. The oven hole structure of the oven crown area of a coke oven according to claim 1, characterized in that when plugging the horizontal path of the oven hole, the plug brick is placed in the channel of the circular truncated cone of the horizontal path of the oven hole; the plug brick is a circular truncated cone structure matched with the circular truncated cone channel, the length of the plug brick is smaller than that of the vertical flue in the horizontal direction, and a hook hole is formed in the large end of the plug brick.
7. The oven hole structure of the oven crown area of the coke oven as claimed in claim 6, characterized in that the hook hole is a quadrangular frustum blind hole with a small end inside and a large end outside.
8. The oven hole structure at the top area of the coke oven as claimed in claim 1, wherein the combustion chamber is provided with double vertical flues, and the double vertical flues consist of a pair of vertical flues; one vertical flame path is communicated with the top space of the oven hole through a corresponding oven hole horizontal path, and the other vertical flame path is communicated with the coal charging hole through a corresponding oven hole horizontal path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220777406.0U CN217230607U (en) | 2022-03-31 | 2022-03-31 | Oven hole structure of oven top area of coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220777406.0U CN217230607U (en) | 2022-03-31 | 2022-03-31 | Oven hole structure of oven top area of coke oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217230607U true CN217230607U (en) | 2022-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220777406.0U Active CN217230607U (en) | 2022-03-31 | 2022-03-31 | Oven hole structure of oven top area of coke oven |
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| Country | Link |
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| CN (1) | CN217230607U (en) |
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2022
- 2022-03-31 CN CN202220777406.0U patent/CN217230607U/en active Active
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