CN210855966U - Vertical flue inner chute high-low outlet structure - Google Patents
Vertical flue inner chute high-low outlet structure Download PDFInfo
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- CN210855966U CN210855966U CN201921626611.1U CN201921626611U CN210855966U CN 210855966 U CN210855966 U CN 210855966U CN 201921626611 U CN201921626611 U CN 201921626611U CN 210855966 U CN210855966 U CN 210855966U
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Abstract
The utility model relates to a ramp high-low outlet structure in a vertical flue, which comprises a vertical flue and a ramp for communicating the vertical flue with a regenerator, wherein a lean gas channel and an air channel are arranged in the ramp; at least 2 lean gas outlet pipes and at least 2 air outlet pipes are arranged in the vertical flame path, lean gas inlets at the bottoms of the lean gas outlet pipes are respectively connected with the lean gas channels, and lean gas outlets at the tops of the lean gas outlet pipes are positioned at different heights; the air inlets at the bottom of the 2 air outlet pipes are respectively connected with the air channels, and the air outlets at the top of the 2 air outlet pipes are positioned at different heights. The utility model discloses under the condition that does not change current coke oven and found flame path partition wall structure, can follow upright flame path height with lean coal gas and air and supply to the segmentation, be favorable to lengthening the flame in the upright flame path, improve the coke oven height to heating homogeneity, reduce heating gas consumption and nitrogen oxide formation volume, realize source energy saving and emission reduction's purpose.
Description
Technical Field
The utility model relates to a coke oven technical field especially relates to a ramp height outlet structure in vertical flue.
Background
The coke oven is composed of regenerator, chute, combustion chamber, charring chamber and 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 the heating temperature in the long direction and the heating temperature in 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. At present, the high-direction heating uniformity of the coke oven is adjusted by adopting the modes of waste gas circulation, multi-section heating, high and low lamp holders and the like in a large coke oven.
In the traditional coke oven structure, lean gas and air are fed through a chute at the bottom of a vertical flue, and are mixed and combusted in the vertical flue. Some large coke ovens adopt a hollow vertical flue partition wall structure (for example, the vertical flue structure of a combustion chamber of a coke oven heated in a subsection manner disclosed in Chinese patent with application publication No. CN 107033927A), lean gas and air are supplied in a subsection manner at an inclined flue port at the bottom of the vertical flue and an outlet of the partition wall, which is beneficial to lengthening flame in the vertical flue and enabling coke cakes to be heated uniformly in the high direction. But the space of the partition wall of the vertical fire path is increased, so that the whole structure of the coke oven is larger and more complex, and the vertical fire path is only suitable for large coke ovens.
Disclosure of Invention
The utility model provides a put up chute height exit structure in flame path under the condition that does not change current coke oven and found flame path partition wall structure, can follow the flame path height and supply to the segmentation immediately lean in coal gas and air, be favorable to lengthening the flame in the flame path immediately, improve the coke oven height to heating homogeneity, reduce heating gas consumption and nitrogen oxide formation volume, realize source energy saving and emission reduction's purpose.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a vertical flue internal chute high-low outlet structure comprises a vertical flue and a chute for communicating the vertical flue with a regenerator, wherein a lean gas channel and an air channel are arranged in the chute; at least 2 lean gas outlet pipes and at least 2 air outlet pipes are arranged in the vertical flame path, lean gas inlets at the bottoms of the lean gas outlet pipes are respectively connected with the lean gas channels, and lean gas outlets at the tops of the lean gas outlet pipes are positioned at different heights; the air inlets at the bottom of the 2 air outlet pipes are respectively connected with the air channels, and the air outlets at the top of the 2 air outlet pipes are positioned at different heights.
The lean gas outlet pipes and the air outlet pipes are the same in number and are arranged in one-to-one correspondence in height.
The height of the lean gas outlet on the lean gas outlet pipe is the same as or different from that of the air outlet on the air outlet pipe correspondingly arranged, and when the heights of the lean gas outlet and the air outlet on the air outlet pipe are different, the height of the air outlet on one air outlet pipe is higher than that of the lean gas outlet on the corresponding lean gas outlet pipe.
The cross sections of the lean gas outlets on the lean gas outlet pipes are the same or different.
The cross-sectional area of the air outlet on each air outlet pipe is the same or different.
The cross section shapes of the lean gas outlet and the air outlet are circular, oval or polygonal.
The lean gas outlet is provided with a lean gas flow regulating device, and the air outlet is provided with an air flow regulating device.
The lean gas flow regulating device and the air flow regulating device comprise regulating bricks or plug bricks.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the sectional feeding of the coke oven gas and the air along the vertical flue in the height direction can be realized without changing the structure of the partition wall of the vertical flue, thereby being beneficial to prolonging the flame in the vertical flue, improving the heating uniformity of the coke oven in the height direction and reducing the consumption of the heating gas;
2) the bottom of the vertical flue is prevented from being burnt violently, the generation amount of nitrogen oxides is reduced, and good economic benefit and environmental benefit are achieved;
3) compared with the scheme of adopting a hollow vertical fire path partition wall structure, the vertical fire path partition wall structure is not only suitable for large-sized coke ovens, but also suitable for small-sized and medium-sized coke ovens.
Drawings
Fig. 1 is a schematic view of a high-low outlet structure of an inner chute of a vertical flue according to an embodiment of the present invention.
In the figure: 1. vertical flue 2, crossing hole 3, combustion chamber wall 41, lean gas outlet pipe 42, lean gas outlet pipe two 51, air outlet pipe one 52, air outlet pipe two
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 utility model relates to a ramp high-low outlet structure in vertical flue, which comprises a vertical flue 1 and a ramp for communicating the vertical flue 1 with a regenerator, wherein a lean gas channel and an air channel are arranged in the ramp; at least 2 lean gas outlet pipes 41 and 42 and at least 2 air outlet pipes 51 and 52 are arranged in the vertical flue 1, lean gas inlets at the bottoms of the lean gas outlet pipes 41 and 42 are respectively connected with a lean gas channel, and lean gas outlets at the tops of the lean gas outlet pipes 41 and 42 are positioned at different heights; the air inlets at the bottom of the 2 air outlet pipes 51, 52 are connected to the air passages, respectively, and the air outlets at the top of the 2 air outlet pipes 51, 52 are located at different heights.
The lean gas outlet pipes 41, 42 are the same in number as the air outlet pipes 51, 52, and are arranged in one-to-one correspondence in height.
The heights of the lean gas outlets of the lean gas outlet pipes 41 and 42 are the same as or different from the heights of the corresponding air outlets of the air outlet pipes 51 and 52, and when the heights of the two are different, the height of the air outlet of one air outlet pipe 51/52 is higher than the height of the corresponding lean gas outlet of the lean gas outlet pipe 41/42.
The cross-sectional area of the lean gas outlets on the respective lean gas outlet pipes 41, 42 may be the same or different.
The cross-sectional area of the air outlets on the respective air outlet tubes 51, 52 may be the same or different.
The cross section shapes of the lean gas outlet and the air outlet are circular, oval or polygonal.
The lean gas outlet is provided with a lean gas flow regulating device, and the air outlet is provided with an air flow regulating device.
The lean gas flow regulating device and the air flow regulating device comprise regulating bricks or plug bricks.
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.
[ examples ] A method for producing a compound
In the present embodiment, as shown in fig. 1, the vertical flue 1 is a duplex vertical flue, the tops of which are communicated through a crossover hole 2, and both sides of the vertical flue 1 are separated from the adjacent carbonization chambers by combustion chamber walls 3. A vertical flue internal chute high-low outlet structure comprises a lean gas outlet pipe I41, a lean gas outlet pipe II 42, an air outlet pipe I51 and an air outlet pipe II 52 which are arranged in a vertical flue 1, wherein lean gas outlets of the lean gas outlet pipe I41 and the lean gas outlet pipe II 42 are respectively positioned at different horizontal heights, and air outlets of the air outlet pipe I51 and the air outlet pipe II 52 are respectively positioned at different horizontal heights. The lean gas outlet pipe I41 is arranged corresponding to the air outlet pipe I51, and the lean gas outlet of the lean gas outlet pipe I41 is the same as the air outlet of the air outlet pipe I51 in height, or the air outlet is slightly higher than the corresponding lean gas outlet. The lean gas outlet pipe II 42 is arranged corresponding to the air outlet pipe II 52, and the lean gas outlet of the lean gas outlet pipe II 42 is as high as the air outlet of the air outlet pipe II 52, or the air outlet is slightly higher than the corresponding lean gas outlet.
Adopt after the ramp height exit structure in the vertical flame path, lean gas and air get into vertical flame path mixed combustion from the not co-altitude corresponding export, realize that the segmentation of lean gas and air is supplied in the vertical flame path. The sectional feeding of the lean gas and the air is beneficial to lengthening the flame in the vertical flue, improving the high-direction heating uniformity of the coke oven and reducing the consumption of the heating gas and the generation of nitrogen oxides.
The opening degree of each lean gas outlet and each air outlet can be adjusted by an adjusting brick or opened and closed by a plug brick.
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 vertical flue internal chute high-low outlet structure comprises a vertical flue and a chute for communicating the vertical flue with a regenerator, wherein a lean gas channel and an air channel are arranged in the chute; the vertical flue is characterized in that at least 2 lean gas outlet pipes and at least 2 air outlet pipes are arranged in the vertical flue, a lean gas inlet at the bottom of each lean gas outlet pipe is respectively connected with a lean gas channel, and lean gas outlets at the tops of the lean gas outlet pipes are positioned at different heights; the air inlets at the bottom of the 2 air outlet pipes are respectively connected with the air channels, and the air outlets at the top of the 2 air outlet pipes are positioned at different heights.
2. The internal chute high-low outlet structure of the vertical flue of claim 1, wherein the number of the lean gas outlet pipes and the number of the air outlet pipes are the same, and the lean gas outlet pipes and the air outlet pipes are arranged in one-to-one correspondence in height.
3. The internal chute high-low outlet structure of the vertical flue as claimed in claim 2, wherein the height of the lean gas outlet on the lean gas outlet pipe is the same as or different from the height of the air outlet on the corresponding air outlet pipe, and when the heights of the lean gas outlet and the air outlet on the corresponding air outlet pipe are different, the height of the air outlet on one air outlet pipe is higher than the height of the lean gas outlet on the corresponding lean gas outlet pipe.
4. The internal chute high-low outlet structure of the vertical flue of claim 1, wherein the cross-sectional area of the lean gas outlet of each lean gas outlet pipe is the same or different.
5. The inlet chute outlet structure of claim 1 wherein the cross-sectional area of the air outlets of each air outlet pipe is the same or different.
6. The internal chute high-low outlet structure of the vertical flue as claimed in claim 1, wherein the cross-sectional shapes of the lean gas outlet and the air outlet are circular, oval or polygonal.
7. The vertical flue internal chute high-low outlet structure as claimed in claim 1, wherein a lean gas flow regulating device is arranged at the lean gas outlet, and an air flow regulating device is arranged at the air outlet.
8. The high-low outlet structure of the chute in the vertical flue of claim 7, wherein the lean gas flow regulating device and the air flow regulating device comprise regulating bricks or plug bricks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921626611.1U CN210855966U (en) | 2019-09-27 | 2019-09-27 | Vertical flue inner chute high-low outlet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921626611.1U CN210855966U (en) | 2019-09-27 | 2019-09-27 | Vertical flue inner chute high-low outlet structure |
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| Publication Number | Publication Date |
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| CN210855966U true CN210855966U (en) | 2020-06-26 |
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| CN201921626611.1U Active CN210855966U (en) | 2019-09-27 | 2019-09-27 | Vertical flue inner chute high-low outlet structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527525A (en) * | 2019-09-27 | 2019-12-03 | 中冶焦耐(大连)工程技术有限公司 | Chute height export structure in a kind of flue |
-
2019
- 2019-09-27 CN CN201921626611.1U patent/CN210855966U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527525A (en) * | 2019-09-27 | 2019-12-03 | 中冶焦耐(大连)工程技术有限公司 | Chute height export structure in a kind of flue |
| CN110527525B (en) * | 2019-09-27 | 2024-06-11 | 中冶焦耐(大连)工程技术有限公司 | Vertical flame path inner chute high-low outlet structure |
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