CN214528830U - Supplementary heating structure of coke oven carbonization chamber - Google Patents
Supplementary heating structure of coke oven carbonization chamber Download PDFInfo
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- CN214528830U CN214528830U CN202023194899.5U CN202023194899U CN214528830U CN 214528830 U CN214528830 U CN 214528830U CN 202023194899 U CN202023194899 U CN 202023194899U CN 214528830 U CN214528830 U CN 214528830U
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Abstract
The utility model relates to a supplementary heating structure of a coke oven carbonization chamber, which comprises a gas main pipe arranged at the machine side and the coke side and an internal channel arranged in a lining brick of an oven door; the internal channel is at least provided with a coal gas supply inlet and a combustion air supply inlet, and the coal gas main pipe is connected with the coal gas supply inlets of the internal channels in the furnace door lining bricks through flexible metal hoses; the combustion-supporting gas supply inlet of the internal channel is connected with an external combustion-supporting gas source; and an electronic igniter is arranged at the bottom of the internal channel. The utility model discloses a method that the furnace gate department at carbomorphism room both ends furnace end introduced the coal gas burning and acts as the heat source improves the furnace end temperature, makes it satisfy production technology standard regulation to improve the high and long heating homogeneity to of coke oven, guarantee that carbomorphism room furnace end coke and full stove coke are evenly ripe.
Description
Technical Field
The utility model relates to the technical field of coke ovens, in particular to a coke oven carbonization chamber supplementary heating structure for eliminating coke formation of a coke oven head.
Background
The coke oven consists of heat accumulating chamber, inclined channel, combustion chamber, carbonizing chamber and oven top. The coal gas and the air are mixed and combusted in the combustion chamber, and heat is transferred to the coal in the carbonization chamber in a heat conduction and heat radiation mode, so that the coal is converted into coke. The thermal regulation of the coke oven comprises the regulation of heating in the long direction and the high direction, and the uniform temperature distribution of the oven wall of the carbonization chamber, thereby not only saving the fuel, but also preventing the oven body of the coke oven from being damaged due to local overheating.
The length of the vertical flame path of the combustion chamber directly influences the even heating and the maturity of the coke in the carbonization chamber, the furnace end area of the carbonization chamber is isolated from the outside through the furnace door, when the furnace door is not tight or when the heat supply of the furnace end is insufficient due to burning lean gas, the coke at the furnace end can be burnt or adhered to the lining brick of the furnace door, and the coke can collapse and fall off at the furnace end when serious, thereby influencing the normal coke pushing. Therefore, the heat supply at the furnace end needs to be considered, the traditional method adopts a vertical flame path furnace end supplementary heating technology, namely rich gas is injected into the vertical flame path of the combustion chamber to carry out supplementary combustion, and in addition, heat sources can be introduced from other parts, so that the uniform maturity of the coke at the furnace end of the carbonization chamber and the coke in the whole furnace is ensured.
Disclosure of Invention
The utility model provides a coke oven carbonization chamber supplyes the heating structure, through the method that the furnace gate department at carbonization chamber both ends furnace end introduced the gas burning and acts as the heat source, improves the furnace end temperature, makes it satisfy production technology standard regulation to improve the high and long heating homogeneity to the coke oven, guarantee carbonization chamber furnace end coke and the even maturity of full stove coke.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a coke oven carbonization chamber supplementary heating structure comprises a gas main pipe arranged at the machine side and the coke side and an internal channel arranged in a lining brick of an oven door; furnace door lining bricks are respectively arranged at both sides of the machine side furnace mouth and the coke side furnace mouth of each carbonization chamber, internal channels are respectively vertically arranged in the furnace door lining bricks, and the top ends of the internal channels are communicated with a crude gas channel at the top of the carbonization chamber; the internal channel is at least provided with a coal gas supply inlet and a combustion air supply inlet, and the coal gas main pipe is connected with the coal gas supply inlets of the internal channels in the furnace door lining bricks through flexible metal hoses; the combustion-supporting gas supply inlet of the internal channel is connected with an external combustion-supporting gas source; and an electronic igniter is arranged at the bottom of the internal channel.
The coal gas supply inlets are arranged in a plurality along the height direction of the internal channel, and correspondingly, the combustion-supporting gas supply inlets are arranged in a plurality along the height direction of the internal channel.
The combustion-supporting gas supply port is directly connected with a combustion-supporting fan, or is connected with a combustion-supporting gas main pipe through a combustion-supporting gas branch pipe.
The coal gas supply inlet and the combustion-supporting gas supply inlet are arranged on the same plane or are arranged in a staggered mode in the height direction.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the traditional furnace end supplementary heating technology of introducing rich gas into the vertical flue is changed, a heat source is innovatively introduced into furnace door lining bricks at furnace ends at two ends of the carbonization chamber, the furnace end coke cake surface which is easy to generate coke is directly supplied with heat, and the uniform maturity of the coke at the furnace end of the carbonization chamber and the coke in the whole furnace is ensured.
2) Whether supplementary heating is needed or not and when the supplementary heating is needed can be judged by monitoring the central temperature of the coal cakes and the coke cakes or the technology of temperature measurement of a vertical flame path, so that the energy is saved, and the coke quality is accurately controlled.
Drawings
FIG. 1 is a schematic view of a supplemental heating structure of a coke oven carbonization chamber of the present invention.
In the figure: 1. furnace door lining brick 2, internal channel 3, combustion-supporting gas supply inlet 4, gas supply inlet 5, flexible metal hose 6, gas main pipe 7, raw gas channel 8, coke
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, the coke oven carbonization chamber supplementary heating structure of the present invention comprises a gas main pipe arranged at the machine side and the coke side and an internal channel arranged in a lining brick of an oven door; furnace door lining bricks 1 are respectively arranged at both sides of the machine side furnace mouth and the coke side furnace mouth of each carbonization chamber, internal channels 2 are respectively vertically arranged in the furnace door lining bricks 1, and the top ends of the internal channels 2 are communicated with a raw coke oven gas channel 7 at the top of the carbonization chamber; the internal channel 2 is at least provided with a coal gas supply inlet 4 and a combustion air supply inlet 3, and the coal gas main pipe 6 is connected with the coal gas supply inlet 4 of the internal channel 2 in each furnace door lining brick 1 through a flexible metal hose 5; the combustion-supporting gas supply inlet 3 of the internal channel 2 is connected with an external combustion-supporting gas source; and an electronic igniter is arranged at the bottom of the internal channel 2.
The coal gas supply inlets 4 are arranged along the height direction of the internal channel 2, and correspondingly, the combustion-supporting gas supply inlets 3 are arranged along the height direction of the internal channel 2.
The combustion-supporting gas supply inlet 3 is directly connected with a combustion-supporting fan or is connected with a combustion-supporting gas main pipe through a combustion-supporting gas branch pipe.
The coal gas inlet 4 and the combustion-supporting gas inlet 3 are arranged on the same plane or are arranged in a staggered mode along the height direction.
The utility model relates to a coke oven carbonization chamber supplyes the heating structure: coal gas and air are supplied into an inner channel 2 in each furnace door lining brick 1, ignition combustion is carried out in the inner channel 2, waste gas generated after combustion rises along the inner channel 2, and the waste gas is discharged from a rising pipe after being merged with raw coke oven gas generated in a carbonization chamber; the heat that the burning produced passes through the firebrick brickwork of furnace end and passes to the coke 8 of carbomorphism room furnace end, makes the ripe speed of furnace end department coke 8 accelerate, avoids the furnace end to become burnt and the emergence of the burnt phenomenon that collapses.
The utility model relates to a coke oven carbonization chamber complementary heating structure, which is applicable to a single-heat type coke oven or a compound-heat type coke oven.
The working principle of the supplementary heating structure of the coke oven carbonization chamber is as follows: the side of the machine and the coke side are respectively provided with a gas main pipe, the gas main pipes are connected with a gas supply port on each furnace door lining brick through flexible metal hoses, gas and combustion-supporting gas (such as air) are respectively supplied into the internal channels, the gas and the combustion-supporting gas are mixed and then are combusted in the internal channels of the furnace door lining bricks, and the combusted waste gas rises along the internal channels to be converged with raw gas and is discharged from a rising pipe. The heat that the burning produced passes through the firebrick brickwork of furnace end and passes to the coke of carbomorphism room furnace end department for the furnace end coke is ripe, avoids the emergence of furnace end green coke and the burnt phenomenon of collapsing.
The introduction of combustion-supporting gas such as air can be fed by arranging a combustion-supporting gas main pipe and a combustion-supporting gas branch pipe, or the air can be blown in by mechanical equipment (such as a combustion-supporting fan) by opening holes on the lining brick of the furnace door.
One or more points where the coal gas supply inlet and the combustion-supporting gas supply inlet are communicated with the internal channel can be arranged. And the coal gas supply inlet and the combustion-supporting gas supply inlet can be arranged at the same horizontal height, namely, a single-point combustion mode is adopted, and the coal gas supply inlet and the combustion-supporting gas supply inlet can also be arranged at different horizontal planes, namely, the coal gas supply inlet and the combustion-supporting gas supply inlet are arranged in a staggered mode, so that multi-section combustion is formed.
The utility model can be used in new coke ovens and can also be used for reforming the existing coke ovens.
The utility model is suitable for a single heat type coke oven is also applicable to compound heat type coke oven.
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 (4)
1. A coke oven carbonization chamber supplementary heating structure is characterized by comprising a gas main pipe arranged on the machine side and the coke side; furnace door lining bricks are respectively arranged at both sides of the machine side furnace mouth and the coke side furnace mouth of each carbonization chamber, internal channels are respectively vertically arranged in the furnace door lining bricks, and the top ends of the internal channels are communicated with a crude gas channel at the top of the carbonization chamber; the internal channel is at least provided with a coal gas supply inlet and a combustion air supply inlet, and the coal gas main pipe is connected with the coal gas supply inlets of the internal channels in the furnace door lining bricks through flexible metal hoses; the combustion-supporting gas supply inlet of the internal channel is connected with an external combustion-supporting gas source; and an electronic igniter is arranged at the bottom of the internal channel.
2. The coke oven carbonization chamber supplementary heating structure according to claim 1, wherein a plurality of the gas supply inlets are provided along the height direction of the internal passage, and correspondingly, a plurality of the oxidant gas supply inlets are provided along the height direction of the internal passage.
3. The coke oven carbonization chamber supplementary heating structure as claimed in claim 1 or 2, wherein the combustion-supporting gas inlet is directly connected to a combustion-supporting fan, or is connected to a combustion-supporting gas main pipe through a combustion-supporting gas branch pipe.
4. The coke oven carbonization chamber supplementary heating structure as claimed in claim 1 or 2, wherein the coal gas supply inlet and the combustion-supporting gas supply inlet are disposed on the same plane or staggered in the elevation direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023194899.5U CN214528830U (en) | 2020-12-28 | 2020-12-28 | Supplementary heating structure of coke oven carbonization chamber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023194899.5U CN214528830U (en) | 2020-12-28 | 2020-12-28 | Supplementary heating structure of coke oven carbonization chamber |
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| Publication Number | Publication Date |
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| CN214528830U true CN214528830U (en) | 2021-10-29 |
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| CN202023194899.5U Active CN214528830U (en) | 2020-12-28 | 2020-12-28 | Supplementary heating structure of coke oven carbonization chamber |
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